Changes for U-Boot 1.0.2:
======================================================================
+* Add support for SX1 mobile phone; add support for USB-based console
+ (enable with "setenv stdout usbtty; setenv stdin usbtty")
+
* Fix LOWBOOT configuration for MPC5200 with DDR memory
* Fix SDRAM timings for LITE5200 / IceCube board
* Patch by Stephan Linz, 26 Feb 2004:
Bug fix for NFS code on NIOS targets
-
+
* Patch by Stephen Williams, 26 Feb 2004:
Break up SystemACE reads of large block counts
xtract_omap1610xxx = $(subst _cs0boot,,$(subst _cs3boot,, $(subst _config,,$1)))
+SX1_config : unconfig
+ @./mkconfig $(@:_config=) arm arm925t sx1
+
omap1510inn_config : unconfig
@./mkconfig $(@:_config=) arm arm925t omap1510inn
--- /dev/null
+#
+# (C) Copyright 2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = lib$(BOARD).a
+
+OBJS := sx1.o flash.o
+SOBJS := platform.o
+
+$(LIB): $(OBJS) $(SOBJS)
+ $(AR) crv $@ $^
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+-include .depend
+
+#########################################################################
--- /dev/null
+#
+# (C) Copyright 2004
+# Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+#
+# SX1 board with OMAP1510 (ARM925T) cpu
+# see http://www.ti.com/ for more information on Texas Insturments
+#
+# SX1 has 1 bank of 256 MB SDRAM
+# Physical Address:
+# 1000'0000 to 2000'0000
+#
+#
+# Linux-Kernel is expected to be at 1000'8000, entry 1000'8000 (mem base + reserved)
+#
+# we load ourself to 1108'0000
+#
+#
+
+TEXT_BASE = 0x11080000
--- /dev/null
+/*
+ * (C) Copyright 2001
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <linux/byteorder/swab.h>
+
+#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 256 KB sectors (x2) */
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/* Board support for 1 or 2 flash devices */
+#undef FLASH_PORT_WIDTH32
+#define FLASH_PORT_WIDTH16
+
+#ifdef FLASH_PORT_WIDTH16
+#define FLASH_PORT_WIDTH ushort
+#define FLASH_PORT_WIDTHV vu_short
+#define SWAP(x) __swab16(x)
+#else
+#define FLASH_PORT_WIDTH ulong
+#define FLASH_PORT_WIDTHV vu_long
+#define SWAP(x) __swab32(x)
+#endif
+
+#define FPW FLASH_PORT_WIDTH
+#define FPWV FLASH_PORT_WIDTHV
+
+#define mb() __asm__ __volatile__ ("" : : : "memory")
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (FPW * addr, flash_info_t * info);
+static int write_data (flash_info_t * info, ulong dest, FPW data);
+static void flash_get_offsets (ulong base, flash_info_t * info);
+void inline spin_wheel (void);
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+ int i;
+ ulong size = 0;
+
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+ switch (i) {
+ case 0:
+ flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]);
+ flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
+ break;
+ case 1:
+ flash_get_size ((FPW *) PHYS_FLASH_2, &flash_info[i]);
+ flash_get_offsets (PHYS_FLASH_2, &flash_info[i]);
+ break;
+ default:
+ panic ("configured too many flash banks!\n");
+ break;
+ }
+ size += flash_info[i].size;
+ }
+
+ /* Protect monitor and environment sectors
+ */
+ flash_protect ( FLAG_PROTECT_SET,
+ CFG_FLASH_BASE,
+ CFG_FLASH_BASE + monitor_flash_len - 1,
+ &flash_info[0]);
+
+ flash_protect ( FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
+ &flash_info[0]);
+
+ return size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_get_offsets (ulong base, flash_info_t * info)
+{
+ int i;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ return;
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
+ for (i = 0; i < info->sector_count; i++) {
+ info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE);
+ info->protect[i] = 0;
+ }
+ }
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t * info)
+{
+ int i;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("missing or unknown FLASH type\n");
+ return;
+ }
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_INTEL:
+ printf ("INTEL ");
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_28F128J3A:
+ printf ("28F128J3A\n");
+ break;
+ case FLASH_28F640J3A:
+ printf ("28F640J3A\n");
+ break;
+ default:
+ printf ("Unknown Chip Type\n");
+ break;
+ }
+
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf (" Sector Start Addresses:");
+ for (i = 0; i < info->sector_count; ++i) {
+ if ((i % 5) == 0)
+ printf ("\n ");
+ printf (" %08lX%s",
+ info->start[i],
+ info->protect[i] ? " (RO)" : " ");
+ }
+ printf ("\n");
+ return;
+}
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+static ulong flash_get_size (FPW * addr, flash_info_t * info)
+{
+ volatile FPW value;
+
+ /* Write auto select command: read Manufacturer ID */
+ addr[0x5555] = (FPW) 0x00AA00AA;
+ addr[0x2AAA] = (FPW) 0x00550055;
+ addr[0x5555] = (FPW) 0x00900090;
+
+ mb ();
+ value = addr[0];
+
+ switch (value) {
+ case (FPW) INTEL_MANUFACT:
+ info->flash_id = FLASH_MAN_INTEL;
+ break;
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
+ return (0); /* no or unknown flash */
+ }
+
+ mb ();
+ value = addr[1]; /* device ID */
+ switch (value) {
+ case (FPW) INTEL_ID_28F128J3A:
+ info->flash_id += FLASH_28F128J3A;
+ info->sector_count = 128;
+ info->size = 0x01000000;
+ break; /* => 16 MB */
+ case (FPW) INTEL_ID_28F640J3A:
+ info->flash_id += FLASH_28F640J3A;
+ info->sector_count = 64;
+ info->size = 0x00800000;
+ break; /* => 8 MB */
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ break;
+ }
+
+ if (info->sector_count > CFG_MAX_FLASH_SECT) {
+ printf ("** ERROR: sector count %d > max (%d) **\n",
+ info->sector_count, CFG_MAX_FLASH_SECT);
+ info->sector_count = CFG_MAX_FLASH_SECT;
+ }
+
+ addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
+
+ return (info->size);
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ int flag, prot, sect;
+ ulong type, start, last;
+ int rcode = 0;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("- missing\n");
+ } else {
+ printf ("- no sectors to erase\n");
+ }
+ return 1;
+ }
+
+ type = (info->flash_id & FLASH_VENDMASK);
+ if ((type != FLASH_MAN_INTEL)) {
+ printf ("Can't erase unknown flash type %08lx - aborted\n",
+ info->flash_id);
+ return 1;
+ }
+
+ prot = 0;
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+
+ if (prot) {
+ printf ("- Warning: %d protected sectors will not be erased!\n",
+ prot);
+ } else {
+ printf ("\n");
+ }
+
+ /*start = get_timer (0); */
+ last = start;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ FPWV *addr = (FPWV *) (info->start[sect]);
+ FPW status;
+
+ printf ("Erasing sector %2d ... ", sect);
+
+ /* arm simple, non interrupt dependent timer */
+ reset_timer_masked ();
+
+ *addr = (FPW) 0x00500050; /* clear status register */
+ *addr = (FPW) 0x00200020; /* erase setup */
+ *addr = (FPW) 0x00D000D0; /* erase confirm */
+
+ while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ *addr = (FPW) 0x00B000B0; /* suspend erase */
+ *addr = (FPW) 0x00FF00FF; /* reset to read mode */
+ rcode = 1;
+ break;
+ }
+ }
+
+ *addr = (FPW) 0x00500050; /* clear status register cmd. */
+ *addr = (FPW) 0x00FF00FF; /* resest to read mode */
+
+ printf (" done\n");
+ }
+ }
+ return rcode;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ * 4 - Flash not identified
+ */
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ ulong cp, wp;
+ FPW data;
+ int count, i, l, rc, port_width;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ return 4;
+ }
+/* get lower word aligned address */
+#ifdef FLASH_PORT_WIDTH16
+ wp = (addr & ~1);
+ port_width = 2;
+#else
+ wp = (addr & ~3);
+ port_width = 4;
+#endif
+
+ /*
+ * handle unaligned start bytes
+ */
+ if ((l = addr - wp) != 0) {
+ data = 0;
+ for (i = 0, cp = wp; i < l; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *) cp);
+ }
+ for (; i < port_width && cnt > 0; ++i) {
+ data = (data << 8) | *src++;
+ --cnt;
+ ++cp;
+ }
+ for (; cnt == 0 && i < port_width; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *) cp);
+ }
+
+ if ((rc = write_data (info, wp, SWAP (data))) != 0) {
+ return (rc);
+ }
+ wp += port_width;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ count = 0;
+ while (cnt >= port_width) {
+ data = 0;
+ for (i = 0; i < port_width; ++i) {
+ data = (data << 8) | *src++;
+ }
+ if ((rc = write_data (info, wp, SWAP (data))) != 0) {
+ return (rc);
+ }
+ wp += port_width;
+ cnt -= port_width;
+ if (count++ > 0x800) {
+ spin_wheel ();
+ count = 0;
+ }
+ }
+
+ if (cnt == 0) {
+ return (0);
+ }
+
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) {
+ data = (data << 8) | *src++;
+ --cnt;
+ }
+ for (; i < port_width; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *) cp);
+ }
+
+ return (write_data (info, wp, SWAP (data)));
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word or halfword to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_data (flash_info_t * info, ulong dest, FPW data)
+{
+ FPWV *addr = (FPWV *) dest;
+ ulong status;
+ int flag;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*addr & data) != data) {
+ printf ("not erased at %08lx (%x)\n", (ulong) addr, *addr);
+ return (2);
+ }
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ *addr = (FPW) 0x00400040; /* write setup */
+ *addr = data;
+
+ /* arm simple, non interrupt dependent timer */
+ reset_timer_masked ();
+
+ /* wait while polling the status register */
+ while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
+
+ if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
+ return (1);
+ }
+ }
+
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
+
+ return (0);
+}
+
+void inline spin_wheel (void)
+{
+ static int p = 0;
+ static char w[] = "\\/-";
+
+ printf ("\010%c", w[p]);
+ (++p == 3) ? (p = 0) : 0;
+}
--- /dev/null
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ *
+ * -- Some bits of code used from rrload's head_OMAP1510.s --
+ * Copyright (C) 2002 RidgeRun, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <version.h>
+
+#if defined(CONFIG_OMAP1510)
+#include <./configs/omap1510.h>
+#endif
+
+#define OMAP1510_CLKS ((1<<EN_XORPCK)|(1<<EN_PERCK)|(1<<EN_TIMCK)|(1<<EN_GPIOCK))
+
+
+_TEXT_BASE:
+ .word TEXT_BASE /* sdram load addr from config.mk */
+
+.globl platformsetup
+platformsetup:
+
+ /*
+ * Configure 1510 pins functions to match our board.
+ */
+ ldr r0, REG_PULL_DWN_CTRL_0
+ ldr r1, VAL_PULL_DWN_CTRL_0
+ str r1, [r0]
+ ldr r0, REG_PULL_DWN_CTRL_1
+ ldr r1, VAL_PULL_DWN_CTRL_1
+ str r1, [r0]
+ ldr r0, REG_PULL_DWN_CTRL_2
+ ldr r1, VAL_PULL_DWN_CTRL_2
+ str r1, [r0]
+ ldr r0, REG_PULL_DWN_CTRL_3
+ ldr r1, VAL_PULL_DWN_CTRL_3
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_4
+ ldr r1, VAL_FUNC_MUX_CTRL_4
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_5
+ ldr r1, VAL_FUNC_MUX_CTRL_5
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_6
+ ldr r1, VAL_FUNC_MUX_CTRL_6
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_7
+ ldr r1, VAL_FUNC_MUX_CTRL_7
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_8
+ ldr r1, VAL_FUNC_MUX_CTRL_8
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_9
+ ldr r1, VAL_FUNC_MUX_CTRL_9
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_A
+ ldr r1, VAL_FUNC_MUX_CTRL_A
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_B
+ ldr r1, VAL_FUNC_MUX_CTRL_B
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_C
+ ldr r1, VAL_FUNC_MUX_CTRL_C
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_D
+ ldr r1, VAL_FUNC_MUX_CTRL_D
+ str r1, [r0]
+ ldr r0, REG_VOLTAGE_CTRL_0
+ ldr r1, VAL_VOLTAGE_CTRL_0
+ str r1, [r0]
+ ldr r0, REG_TEST_DBG_CTRL_0
+ ldr r1, VAL_TEST_DBG_CTRL_0
+ str r1, [r0]
+ ldr r0, REG_MOD_CONF_CTRL_0
+ ldr r1, VAL_MOD_CONF_CTRL_0
+ str r1, [r0]
+
+ /* Move to 1510 mode */
+ ldr r0, REG_COMP_MODE_CTRL_0
+ ldr r1, VAL_COMP_MODE_CTRL_0
+ str r1, [r0]
+
+ /* Set up Traffic Ctlr*/
+ ldr r0, REG_TC_IMIF_PRIO
+ mov r1, #0x0
+ str r1, [r0]
+ ldr r0, REG_TC_EMIFS_PRIO
+ str r1, [r0]
+ ldr r0, REG_TC_EMIFF_PRIO
+ str r1, [r0]
+
+ ldr r0, REG_TC_EMIFS_CONFIG
+ ldr r1, [r0]
+ bic r1, r1, #0x08 /* clear the global power-down enable PDE bit */
+ bic r1, r1, #0x01 /* write protect flash by clearing the WP bit */
+ str r1, [r0] /* EMIFS GlB Configuration. (value 0x12 most likely) */
+
+ ldr r0, _GPIO_PIN_CONTROL_REG
+ ldrh r1,[r0]
+ orr r1, r1, #0x0001 /* M_PCM_SYNC */
+ orr r1, r1, #0x4000 /* IPC_ACTIVE */
+ orr r1, r1, #0x0002 /* A_IRDA_OFF */
+ orr r1, r1, #0x0800 /* A_SWITCH */
+ orr r1, r1, #0x8000 /* A_USB_ON */
+ strh r1,[r0]
+
+ ldr r0, _GPIO_DIR_CONTROL_REG
+ ldrh r1,[r0]
+ bic r1, r1, #0x0001 /* M_PCM_SYNC */
+ bic r1, r1, #0x4000 /* IPC_ACTIVE */
+ bic r1, r1, #0x0002 /* A_IRDA_OFF */
+ bic r1, r1, #0x0800 /* A_SWITCH */
+ bic r1, r1, #0x8000 /* A_USB_ON */
+ strh r1,[r0]
+
+ ldr r0, _GPIO_DATA_OUTPUT_REG
+ ldrh r1,[r0]
+ bic r1, r1, #0x0001 /* M_PCM_SYNC */
+ orr r1, r1, #0x4000 /* IPC_ACTIVE */
+ orr r1, r1, #0x0002 /* A_IRDA_OFF */
+ bic r1, r1, #0x0800 /* A_SWITCH */
+ bic r1, r1, #0x8000 /* A_USB_ON */
+ strh r1,[r0]
+
+ /* Setup some clock domains */
+ ldr r1, =OMAP1510_CLKS
+ ldr r0, REG_ARM_IDLECT2
+ strh r1, [r0] /* CLKM, Clock domain control. */
+
+ mov r1, #0x01 /* PER_EN bit */
+ ldr r0, REG_ARM_RSTCT2
+ strh r1, [r0] /* CLKM; Peripheral reset. */
+
+ /* Set CLKM to Sync-Scalable */
+ /* I supposidly need to enable the dsp clock before switching */
+ mov r1, #0x1000
+ ldr r0, REG_ARM_SYSST
+ strh r1, [r0]
+ mov r0, #0x400
+1:
+ subs r0, r0, #0x1 /* wait for any bubbles to finish */
+ bne 1b
+
+ ldr r1, VAL_ARM_CKCTL /* use 12Mhz ref, PER must be <= 50Mhz so /2 */
+ ldr r0, REG_ARM_CKCTL
+ strh r1, [r0]
+
+ /* setup DPLL 1 */
+ ldr r1, VAL_DPLL1_CTL
+ ldr r0, REG_DPLL1_CTL
+ strh r1, [r0]
+ ands r1, r1, #0x10 /* Check if PLL is enabled. */
+ beq lock_end /* Do not look for lock if BYPASS selected */
+2:
+ ldrh r1, [r0]
+ ands r1, r1, #0x01 /* Check the LOCK bit. */
+ beq 2b /* ...loop until bit goes hi. */
+lock_end:
+
+ /* Set memory timings corresponding to the new clock speed */
+
+ /* Check execution location to determine current execution location
+ * and branch to appropriate initialization code.
+ */
+ mov r0, #0x10000000 /* Load physical SDRAM base. */
+ mov r1, pc /* Get current execution location. */
+ cmp r1, r0 /* Compare. */
+ bge skip_sdram /* Skip over EMIF-fast initialization if running from SDRAM. */
+
+ /*
+ * Delay for SDRAM initialization.
+ */
+ mov r3, #0x1800 /* value should be checked */
+3:
+ subs r3, r3, #0x1 /* Decrement count */
+ bne 3b
+
+ /*
+ * Set SDRAM control values. Disable refresh before MRS command.
+ */
+ ldr r0, VAL_TC_EMIFF_SDRAM_CONFIG /* get good value */
+ bic r3, r0, #0xC /* (BIT3|BIT2) ulConfig with auto-refresh disabled. */
+ orr r3, r3, #0x8000000 /* (BIT27) Disable CLK when Power down or Self-Refresh */
+ orr r3, r3, #0x4000000 /* BIT26 Power Down Enable */
+ ldr r2, REG_TC_EMIFF_SDRAM_CONFIG /* Point to configuration register. */
+ str r3, [r2] /* Store the passed value with AR disabled. */
+
+ ldr r1, VAL_TC_EMIFF_MRS /* get MRS value */
+ ldr r2, REG_TC_EMIFF_MRS /* Point to MRS register. */
+ str r1, [r2] /* Store the passed value.*/
+
+ ldr r2, REG_TC_EMIFF_SDRAM_CONFIG /* Point to configuration register. */
+ str r0, [r2] /* Store the passed value. */
+
+ /*
+ * Delay for SDRAM initialization.
+ */
+ mov r3, #0x1800
+4:
+ subs r3, r3, #1 /* Decrement count. */
+ bne 4b
+
+skip_sdram:
+
+ /* slow interface */
+ ldr r1, VAL_TC_EMIFS_CS0_CONFIG
+ ldr r0, REG_TC_EMIFS_CS0_CONFIG
+ str r1, [r0] /* Chip Select 0 */
+ ldr r1, VAL_TC_EMIFS_CS1_CONFIG
+ ldr r0, REG_TC_EMIFS_CS1_CONFIG
+ str r1, [r0] /* Chip Select 1 */
+ ldr r1, VAL_TC_EMIFS_CS2_CONFIG
+ ldr r0, REG_TC_EMIFS_CS2_CONFIG
+ str r1, [r0] /* Chip Select 2 */
+ ldr r1, VAL_TC_EMIFS_CS3_CONFIG
+ ldr r0, REG_TC_EMIFS_CS3_CONFIG
+ str r1, [r0] /* Chip Select 3 */
+
+ /* back to arch calling code */
+ mov pc, lr
+
+/* the literal pools origin */
+ .ltorg
+
+/* OMAP configuration registers */
+REG_FUNC_MUX_CTRL_0: /* 32 bits */
+ .word 0xfffe1000
+REG_FUNC_MUX_CTRL_1: /* 32 bits */
+ .word 0xfffe1004
+REG_FUNC_MUX_CTRL_2: /* 32 bits */
+ .word 0xfffe1008
+REG_COMP_MODE_CTRL_0: /* 32 bits */
+ .word 0xfffe100c
+REG_FUNC_MUX_CTRL_3: /* 32 bits */
+ .word 0xfffe1010
+REG_FUNC_MUX_CTRL_4: /* 32 bits */
+ .word 0xfffe1014
+REG_FUNC_MUX_CTRL_5: /* 32 bits */
+ .word 0xfffe1018
+REG_FUNC_MUX_CTRL_6: /* 32 bits */
+ .word 0xfffe101c
+REG_FUNC_MUX_CTRL_7: /* 32 bits */
+ .word 0xfffe1020
+REG_FUNC_MUX_CTRL_8: /* 32 bits */
+ .word 0xfffe1024
+REG_FUNC_MUX_CTRL_9: /* 32 bits */
+ .word 0xfffe1028
+REG_FUNC_MUX_CTRL_A: /* 32 bits */
+ .word 0xfffe102C
+REG_FUNC_MUX_CTRL_B: /* 32 bits */
+ .word 0xfffe1030
+REG_FUNC_MUX_CTRL_C: /* 32 bits */
+ .word 0xfffe1034
+REG_FUNC_MUX_CTRL_D: /* 32 bits */
+ .word 0xfffe1038
+REG_PULL_DWN_CTRL_0: /* 32 bits */
+ .word 0xfffe1040
+REG_PULL_DWN_CTRL_1: /* 32 bits */
+ .word 0xfffe1044
+REG_PULL_DWN_CTRL_2: /* 32 bits */
+ .word 0xfffe1048
+REG_PULL_DWN_CTRL_3: /* 32 bits */
+ .word 0xfffe104c
+REG_VOLTAGE_CTRL_0: /* 32 bits */
+ .word 0xfffe1060
+REG_TEST_DBG_CTRL_0: /* 32 bits */
+ .word 0xfffe1070
+REG_MOD_CONF_CTRL_0: /* 32 bits */
+ .word 0xfffe1080
+REG_TC_IMIF_PRIO: /* 32 bits */
+ .word 0xfffecc00
+REG_TC_EMIFS_PRIO: /* 32 bits */
+ .word 0xfffecc04
+REG_TC_EMIFF_PRIO: /* 32 bits */
+ .word 0xfffecc08
+REG_TC_EMIFS_CONFIG: /* 32 bits */
+ .word 0xfffecc0c
+REG_TC_EMIFS_CS0_CONFIG: /* 32 bits */
+ .word 0xfffecc10
+REG_TC_EMIFS_CS1_CONFIG: /* 32 bits */
+ .word 0xfffecc14
+REG_TC_EMIFS_CS2_CONFIG: /* 32 bits */
+ .word 0xfffecc18
+REG_TC_EMIFS_CS3_CONFIG: /* 32 bits */
+ .word 0xfffecc1c
+REG_TC_EMIFF_SDRAM_CONFIG: /* 32 bits */
+ .word 0xfffecc20
+REG_TC_EMIFF_MRS: /* 32 bits */
+ .word 0xfffecc24
+/* MPU clock/reset/power mode control registers */
+REG_ARM_CKCTL: /* 16 bits */
+ .word 0xfffece00
+REG_ARM_IDLECT2: /* 16 bits */
+ .word 0xfffece08
+REG_ARM_RSTCT2: /* 16 bits */
+ .word 0xfffece14
+REG_ARM_SYSST: /* 16 bits */
+ .word 0xfffece18
+/* DPLL control registers */
+REG_DPLL1_CTL: /* 16 bits */
+ .word 0xfffecf00
+/* identification code register */
+REG_IDCODE: /* 32 bits */
+ .word 0xfffed404
+
+/* SX1 specific */
+_GPIO_PIN_CONTROL_REG:
+ .word GPIO_PIN_CONTROL_REG
+_GPIO_DIR_CONTROL_REG:
+ .word GPIO_DIR_CONTROL_REG
+_GPIO_DATA_OUTPUT_REG:
+ .word GPIO_DATA_OUTPUT_REG
+
+VAL_COMP_MODE_CTRL_0:
+ .word 0x0000eaef
+VAL_FUNC_MUX_CTRL_4:
+ .word 0x00000000
+VAL_FUNC_MUX_CTRL_5:
+ .word 0x00000000
+VAL_FUNC_MUX_CTRL_6:
+ .word 0x00000001
+VAL_FUNC_MUX_CTRL_7:
+ .word 0x00001000
+VAL_FUNC_MUX_CTRL_8:
+ .word 0x00001240 /*[Knoller] Value of Symbian Image Wing B2*/
+VAL_FUNC_MUX_CTRL_9:
+ .word 0x00201008
+VAL_FUNC_MUX_CTRL_A:
+ .word 0x00001000
+VAL_FUNC_MUX_CTRL_B:
+ .word 0x00000000
+VAL_FUNC_MUX_CTRL_C:
+ .word 0x09008001 /*[Knoller] Value of Symbian Image Wing B2*/
+VAL_FUNC_MUX_CTRL_D:
+ .word 0x00000000
+VAL_PULL_DWN_CTRL_0:
+ .word 0xfffeffff
+VAL_PULL_DWN_CTRL_1:
+ .word 0xd1ffffec
+VAL_PULL_DWN_CTRL_2:
+ .word 0xffa80c5b
+VAL_PULL_DWN_CTRL_3:
+ .word 0xffffc0fe
+VAL_VOLTAGE_CTRL_0:
+ .word 0x00000007
+VAL_TEST_DBG_CTRL_0:
+ /* The OMAP5910 TRM says this register must be 0, but HelenConfRegs
+ * says to write a 7. Don't know what the right thing is to do, so
+ * I'm leaving it at 7 since that's what was already here.
+ */
+ .word 0x00000007
+VAL_MOD_CONF_CTRL_0:
+ .word 0x0da20000 /*[Knoller] Value of Symbian Image Wing B2*/
+
+VAL_ARM_CKCTL:
+ .word 0x010D
+
+VAL_DPLL1_CTL:
+ .word 0x3A33 /*[Hertle] Value of Symbian Image*/
+
+VAL_TC_EMIFS_CS1_CONFIG_PRELIM:
+ .word 0x00001149
+
+VAL_TC_EMIFS_CS2_CONFIG_PRELIM:
+ .word 0x00004158
+
+VAL_TC_EMIFS_CS0_CONFIG:
+ .word 0x00213090 /*[Knoller] Value of Symbian Image Wing B2*/
+
+VAL_TC_EMIFS_CS1_CONFIG:
+ .word 0x00215070 /*[Knoller] Value of Symbian Image Wing B2*/
+
+VAL_TC_EMIFS_CS2_CONFIG:
+ .word 0x00001139 /*[Knoller] Value of Symbian Image Wing B2*/
+
+VAL_TC_EMIFS_CS3_CONFIG:
+ .word 0x00001139 /*[Knoller] Value of Symbian Image Wing B2*/
+
+VAL_TC_EMIFF_SDRAM_CONFIG:
+ .word 0x0105f0b4 /*[Knoller] Value of Symbian Image Wing B2*/
+
+
+VAL_TC_EMIFF_MRS:
+ .word 0x00000027 /*[Knoller] Value of Symbian Image Wing B2*/
--- /dev/null
+/*
+ * (C) Copyright 2004
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+static void flash__init (void);
+static void ether__init (void);
+
+static inline void delay (unsigned long loops)
+{
+ __asm__ volatile ("1:\n"
+ "subs %0, %1, #1\n"
+ "bne 1b":"=r" (loops):"0" (loops));
+}
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ /* arch number of SX1 Board */
+ gd->bd->bi_arch_number = 241;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0x10000100;
+
+/* kk - this speeds up your boot a quite a bit. However to make it
+ * work, you need make sure your kernel startup flush bug is fixed.
+ * ... rkw ...
+ */
+ icache_enable ();
+
+ flash__init ();
+ ether__init ();
+ return 0;
+}
+
+
+int misc_init_r (void)
+{
+ /* volatile ushort *gdir = (ushort *) (GPIO_DIR_CONTROL_REG); */
+ /* volatile ushort *mdir = (ushort *) (MPUIO_DIR_CONTROL_REG); */
+
+ /* setup gpio direction to match board (no floats!) */
+ /**gdir = 0xCFF9; */
+ /**mdir = 0x103F; */
+
+ return (0);
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+static void flash__init (void)
+{
+#define CS0_CHIP_SELECT_REG 0xfffecc10
+#define CS3_CHIP_SELECT_REG 0xfffecc1c
+#define EMIFS_GlB_Config_REG 0xfffecc0c
+
+ unsigned int regval;
+
+ regval = *((volatile unsigned int *) EMIFS_GlB_Config_REG);
+ regval = regval | 0x0001; /* Turn off write protection for flash devices. */
+ if (regval & 0x0002) {
+ regval = regval & 0xfffd; /* Swap CS0 and CS3 so that flash is visible at 0x0 and eeprom at 0x0c000000. */
+ /* If, instead, you want to reference flash at 0x0c000000, then it seemed the following were necessary. */
+ /* *((volatile unsigned int *)CS0_CHIP_SELECT_REG) = 0x202090; / * Overrides head.S setting of 0x212090 */
+ /* *((volatile unsigned int *)CS3_CHIP_SELECT_REG) = 0x202090; / * Let's flash chips be fully functional. */
+ }
+ *((volatile unsigned int *) EMIFS_GlB_Config_REG) = regval;
+}
+
+
+/******************************
+ Routine:
+ Description:
+******************************/
+static void ether__init (void)
+{
+#define ETH_CONTROL_REG 0x0800000b
+ /* take the Ethernet controller out of reset and wait
+ * for the EEPROM load to complete.
+ */
+ *((volatile unsigned char *) ETH_CONTROL_REG) &= ~0x01;
+ udelay (3);
+}
+
+
+int dram_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+ return 0;
+}
--- /dev/null
+/*
+ * (C) Copyright 2004
+ * Wolfgang Denk, DENX Software Engineering, <wg@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+/*OUTPUT_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ cpu/arm925t/start.o (.text)
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(.rodata) }
+
+ . = ALIGN(4);
+ .data : { *(.data) }
+
+ . = ALIGN(4);
+ .got : { *(.got) }
+
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(4);
+ __bss_start = .;
+ .bss : { *(.bss) }
+ _end = .;
+}
#
-# (C) Copyright 2000, 2001
+# (C) Copyright 2004
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
hush.o kgdb.o lists.o lynxkdi.o memsize.o miiphybb.o miiphyutil.o \
s_record.o soft_i2c.o soft_spi.o spartan2.o \
usb.o usb_kbd.o usb_storage.o \
- virtex2.o xilinx.o
+ virtex2.o xilinx.o circbuf.o
OBJS = $(AOBJS) $(COBJS)
all: $(LIB) $(AOBJS)
-$(LIB): .depend $(OBJS)
+$(LIB): .depend $(OBJS)
$(AR) crv $@ $(OBJS)
environment.o: environment.c ../tools/envcrc
--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Gerry Hamel, geh@ti.com, Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <malloc.h>
+
+#include <circbuf.h>
+
+
+int buf_init (circbuf_t * buf, unsigned int size)
+{
+ assert (buf != NULL);
+
+ buf->size = 0;
+ buf->totalsize = size;
+ buf->data = (char *) malloc (sizeof (char) * size);
+ assert (buf->data != NULL);
+
+ buf->top = buf->data;
+ buf->tail = buf->data;
+ buf->end = &(buf->data[size]);
+
+ return 1;
+}
+
+int buf_free (circbuf_t * buf)
+{
+ assert (buf != NULL);
+ assert (buf->data != NULL);
+
+ free (buf->data);
+ memset (buf, 0, sizeof (circbuf_t));
+
+ return 1;
+}
+
+int buf_pop (circbuf_t * buf, char *dest, unsigned int len)
+{
+ unsigned int i;
+ char *p = buf->top;
+
+ assert (buf != NULL);
+ assert (dest != NULL);
+
+ /* Cap to number of bytes in buffer */
+ if (len > buf->size)
+ len = buf->size;
+
+ for (i = 0; i < len; i++) {
+ dest[i] = *p++;
+ /* Bounds check. */
+ if (p == buf->end) {
+ p = buf->data;
+ }
+ }
+
+ /* Update 'top' pointer */
+ buf->top = p;
+ buf->size -= len;
+
+ return len;
+}
+
+int buf_push (circbuf_t * buf, const char *src, unsigned int len)
+{
+ /* NOTE: this function allows push to overwrite old data. */
+ unsigned int i;
+ char *p = buf->tail;
+
+ assert (buf != NULL);
+ assert (src != NULL);
+
+ for (i = 0; i < len; i++) {
+ *p++ = src[i];
+ if (p == buf->end) {
+ p = buf->data;
+ }
+ /* Make sure pushing too much data just replaces old data */
+ if (buf->size < buf->totalsize) {
+ buf->size++;
+ } else {
+ buf->top++;
+ if (buf->top == buf->end) {
+ buf->top = buf->data;
+ }
+ }
+ }
+
+ /* Update 'tail' pointer */
+ buf->tail = p;
+
+ return len;
+}
/*
- * (C) Copyright 2000-2003
+ * (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* box some time (100 * 1 ms)
*/
for (i=0; i<100; ++i) {
- if (serial_tstc()) {
- (void) serial_getc();
+ if (tstc()) {
+ (void) getc();
}
udelay(1000);
}
--len; /* always leave room for terminating '\0' byte */
for (p=buf; p < buf+len; ++p) {
- c = serial_getc(); /* read character */
+ c = getc(); /* read character */
if (do_echo)
- serial_putc (c); /* ... and echo it */
+ putc (c); /* ... and echo it */
switch (c) {
case '\r':
}
/* Check for the console hangup (if any different from serial) */
- if (gd->jt[XF_getc] != serial_getc) {
+ if (gd->jt[XF_getc] != getc) {
if (ctrlc()) {
return (-1);
}
char c;
while((c = *buf++))
- serial_putc(c);
+ putc(c);
/* Check for the console hangup (if any different from serial) */
* box some time (100 * 1 ms)
*/
for (i=0; i<100; ++i) {
- if (serial_tstc()) {
- (void) serial_getc();
+ if (tstc()) {
+ (void) getc();
}
udelay(1000);
}
int count = his_pad_count;
while (count-- > 0)
- serial_putc (his_pad_char);
+ putc (his_pad_char);
}
/* converts escaped kermit char to binary char */
{
send_pad ();
while (*packet) {
- serial_putc (*packet++);
+ putc (*packet++);
}
}
/* get a packet */
/* wait for the starting character or ^C */
for (;;) {
- switch (serial_getc ()) {
+ switch (getc ()) {
case START_CHAR: /* start packet */
goto START;
case ETX_CHAR: /* ^C waiting for packet */
START:
/* get length of packet */
sum = 0;
- new_char = serial_getc ();
+ new_char = getc ();
if ((new_char & 0xE0) == 0)
goto packet_error;
sum += new_char & 0xff;
length = untochar (new_char);
/* get sequence number */
- new_char = serial_getc ();
+ new_char = getc ();
if ((new_char & 0xE0) == 0)
goto packet_error;
sum += new_char & 0xff;
/* END NEW CODE */
/* get packet type */
- new_char = serial_getc ();
+ new_char = getc ();
if ((new_char & 0xE0) == 0)
goto packet_error;
sum += new_char & 0xff;
if (length == -2) {
/* (length byte was 0, decremented twice) */
/* get the two length bytes */
- new_char = serial_getc ();
+ new_char = getc ();
if ((new_char & 0xE0) == 0)
goto packet_error;
sum += new_char & 0xff;
len_hi = untochar (new_char);
- new_char = serial_getc ();
+ new_char = getc ();
if ((new_char & 0xE0) == 0)
goto packet_error;
sum += new_char & 0xff;
len_lo = untochar (new_char);
length = len_hi * 95 + len_lo;
/* check header checksum */
- new_char = serial_getc ();
+ new_char = getc ();
if ((new_char & 0xE0) == 0)
goto packet_error;
if (new_char != tochar ((sum + ((sum >> 6) & 0x03)) & 0x3f))
}
/* bring in rest of packet */
while (length > 1) {
- new_char = serial_getc ();
+ new_char = getc ();
if ((new_char & 0xE0) == 0)
goto packet_error;
sum += new_char & 0xff;
}
}
/* get and validate checksum character */
- new_char = serial_getc ();
+ new_char = getc ();
if ((new_char & 0xE0) == 0)
goto packet_error;
if (new_char != tochar ((sum + ((sum >> 6) & 0x03)) & 0x3f))
goto packet_error;
/* get END_CHAR */
- new_char = serial_getc ();
+ new_char = getc ();
if (new_char != END_CHAR) {
packet_error:
/* restore state machines */
drv_logbuff_init ();
#endif
drv_system_init ();
+#ifdef CONFIG_USB_TTY
+ drv_usbtty_init ();
+#endif
return (0);
}
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
flags = condition_codes (regs);
- printf ("pc : [<%08lx>] lr : [<%08lx>]\n"
- "sp : %08lx ip : %08lx fp : %08lx\n",
+ printf ("pc : [<%08lx>] lr : [<%08lx>]\n"
+ "sp : %08lx ip : %08lx fp : %08lx\n",
instruction_pointer (regs),
regs->ARM_lr, regs->ARM_sp, regs->ARM_ip, regs->ARM_fp);
- printf ("r10: %08lx r9 : %08lx r8 : %08lx\n",
+ printf ("r10: %08lx r9 : %08lx r8 : %08lx\n",
regs->ARM_r10, regs->ARM_r9, regs->ARM_r8);
- printf ("r7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n",
+ printf ("r7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n",
regs->ARM_r7, regs->ARM_r6, regs->ARM_r5, regs->ARM_r4);
- printf ("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n",
+ printf ("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n",
regs->ARM_r3, regs->ARM_r2, regs->ARM_r1, regs->ARM_r0);
printf ("Flags: %c%c%c%c",
flags & CC_N_BIT ? 'N' : 'n',
#else
ulong tmo, tmp;
- if(usec >= 1000){ /* if "big" number, spread normalization to seconds */
- tmo = usec / 1000; /* start to normalize for usec to ticks per sec */
- tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */
- tmo /= 1000; /* finish normalize. */
- }else{ /* else small number, don't kill it prior to HZ multiply */
+ if(usec >= 1000){ /* if "big" number, spread normalization to seconds */
+ tmo = usec / 1000; /* start to normalize for usec to ticks per sec */
+ tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */
+ tmo /= 1000; /* finish normalize. */
+ }else{ /* else small number, don't kill it prior to HZ multiply */
tmo = usec * CFG_HZ;
tmo /= (1000*1000);
}
tmp = get_timer (0); /* get current timestamp */
- if( (tmo + tmp + 1) < tmp ) /* if setting this fordward will roll time stamp */
+ if( (tmo + tmp + 1) < tmp ) /* if setting this fordward will roll time stamp */
reset_timer_masked (); /* reset "advancing" timestamp to 0, set lastdec value */
else
tmo += tmp; /* else, set advancing stamp wake up time */
{
/* reset time */
lastdec = READ_TIMER; /* capure current decrementer value time */
- timestamp = 0; /* start "advancing" time stamp from 0 */
+ timestamp = 0; /* start "advancing" time stamp from 0 */
}
ulong get_timer_masked (void)
for (i=time_remaining; i>0; i--) { }
#else
- ulong tmo, tmp;
+ ulong tmo;
- if(usec >= 1000){ /* if "big" number, spread normalization to seconds */
- tmo = usec / 1000; /* start to normalize for usec to ticks per sec */
- tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */
- tmo /= 1000; /* finish normalize. */
- }else{ /* else small number, don't kill it prior to HZ multiply */
+ if(usec >= 1000){ /* if "big" number, spread normalization to seconds */
+ tmo = usec / 1000; /* start to normalize for usec to ticks per sec */
+ tmo *= CFG_HZ; /* find number of "ticks" to wait to achieve target */
+ tmo /= 1000; /* finish normalize. */
+ }else{ /* else small number, don't kill it prior to HZ multiply */
tmo = usec * CFG_HZ;
tmo /= (1000*1000);
}
#
-# (C) Copyright 2000
+# (C) Copyright 2000-2004
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# See file CREDITS for list of people who contributed to this
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
OBJS = 3c589.o 5701rls.o ali512x.o \
bcm570x.o bcm570x_autoneg.o cfb_console.o cfi_flash.o \
- cs8900.o ct69000.o dataflash.o dc2114x.o \
+ cs8900.o ct69000.o dataflash.o dc2114x.o \
e1000.o eepro100.o \
i8042.o i82365.o inca-ip_sw.o \
lan91c96.o natsemi.o netarm_eth.o \
rtl8019.o rtl8139.o \
s3c24x0_i2c.o sed13806.o serial.o serial_max3100.o \
smc91111.o smiLynxEM.o status_led.o sym53c8xx.o \
- ti_pci1410a.o tigon3.o w83c553f.o
+ ti_pci1410a.o tigon3.o w83c553f.o omap1510_i2c.o \
+ usbdcore.o usbdcore_ep0.o usbdcore_omap1510.o usbtty.o
all: $(LIB)
-$(LIB): $(OBJS)
+$(LIB): $(OBJS)
$(AR) crv $@ $(OBJS)
#########################################################################
{
com_port->ier = 0x00;
#ifdef CONFIG_OMAP1510
- com_port->mdr1 = 0x7; /* mode select reset TL16C750*/
+ com_port->mdr1 = 0x7; /* mode select reset TL16C750*/
#endif
com_port->lcr = LCR_BKSE | LCRVAL;
com_port->dll = baud_divisor & 0xff;
char NS16550_getc (NS16550_t com_port)
{
- while ((com_port->lsr & LSR_DR) == 0);
+ while ((com_port->lsr & LSR_DR) == 0) {
+#ifdef CONFIG_USB_TTY
+ extern void usbtty_poll(void);
+ usbtty_poll();
+#endif
+ }
return (com_port->rbr);
}
--- /dev/null
+/*
+ * Basic I2C functions
+ *
+ * Copyright (c) 2003 Texas Instruments
+ *
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the license found in the file
+ * named COPYING that should have accompanied this file.
+ *
+ * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Author: Jian Zhang jzhang@ti.com, Texas Instruments
+ *
+ * Copyright (c) 2003 Wolfgang Denk, wd@denx.de
+ * Rewritten to fit into the current U-Boot framework
+ *
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_DRIVER_OMAP1510_I2C
+
+static void wait_for_bb (void);
+static u16 wait_for_pin (void);
+
+void i2c_init (int speed, int slaveadd)
+{
+ u16 scl;
+
+ if (inw (I2C_CON) & I2C_CON_EN) {
+ outw (0, I2C_CON);
+ udelay (5000);
+ }
+
+ /* 12Mhz I2C module clock */
+ outw (0, I2C_PSC);
+ outw (I2C_CON_EN, I2C_CON);
+ outw (0, I2C_SYSTEST);
+ /* have to enable intrrupts or OMAP i2c module doesn't work */
+ outw (I2C_IE_XRDY_IE | I2C_IE_RRDY_IE | I2C_IE_ARDY_IE |
+ I2C_IE_NACK_IE | I2C_IE_AL_IE, I2C_IE);
+ scl = (12000000 / 2) / speed - 6;
+ outw (scl, I2C_SCLL);
+ outw (scl, I2C_SCLH);
+ /* own address */
+ outw (slaveadd, I2C_OA);
+ outw (0, I2C_CNT);
+ udelay (1000);
+}
+
+static int i2c_read_byte (u8 devaddr, u8 regoffset, u8 * value)
+{
+ int i2c_error = 0;
+ u16 status;
+
+ /* wait until bus not busy */
+ wait_for_bb ();
+
+ /* one byte only */
+ outw (1, I2C_CNT);
+ /* set slave address */
+ outw (devaddr, I2C_SA);
+ /* no stop bit needed here */
+ outw (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX, I2C_CON);
+
+ status = wait_for_pin ();
+
+ if (status & I2C_STAT_XRDY) {
+ /* Important: have to use byte access */
+ *(volatile u8 *) (I2C_DATA) = regoffset;
+ udelay (20000);
+ if (inw (I2C_STAT) & I2C_STAT_NACK) {
+ i2c_error = 1;
+ }
+ } else {
+ i2c_error = 1;
+ }
+
+ if (!i2c_error) {
+ /* free bus, otherwise we can't use a combined transction */
+ outw (0, I2C_CON);
+ while (inw (I2C_STAT) || (inw (I2C_CON) & I2C_CON_MST)) {
+ udelay (10000);
+ /* Have to clear pending interrupt to clear I2C_STAT */
+ inw (I2C_IV);
+ }
+
+ wait_for_bb ();
+ /* set slave address */
+ outw (devaddr, I2C_SA);
+ /* read one byte from slave */
+ outw (1, I2C_CNT);
+ /* need stop bit here */
+ outw (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_STP,
+ I2C_CON);
+
+ status = wait_for_pin ();
+ if (status & I2C_STAT_RRDY) {
+ *value = inw (I2C_DATA);
+ udelay (20000);
+ } else {
+ i2c_error = 1;
+ }
+
+ if (!i2c_error) {
+ outw (I2C_CON_EN, I2C_CON);
+ while (inw (I2C_STAT)
+ || (inw (I2C_CON) & I2C_CON_MST)) {
+ udelay (10000);
+ inw (I2C_IV);
+ }
+ }
+ }
+
+ return i2c_error;
+}
+
+static int i2c_write_byte (u8 devaddr, u8 regoffset, u8 value)
+{
+ int i2c_error = 0;
+ u16 status;
+
+ /* wait until bus not busy */
+ wait_for_bb ();
+
+ /* two bytes */
+ outw (2, I2C_CNT);
+ /* set slave address */
+ outw (devaddr, I2C_SA);
+ /* stop bit needed here */
+ outw (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX |
+ I2C_CON_STP, I2C_CON);
+
+ /* wait until state change */
+ status = wait_for_pin ();
+
+ if (status & I2C_STAT_XRDY) {
+ /* send out two bytes */
+ outw ((value << 8) + regoffset, I2C_DATA);
+ /* must have enough delay to allow BB bit to go low */
+ udelay (30000);
+ if (inw (I2C_STAT) & I2C_STAT_NACK) {
+ i2c_error = 1;
+ }
+ } else {
+ i2c_error = 1;
+ }
+
+ if (!i2c_error) {
+ outw (I2C_CON_EN, I2C_CON);
+ while (inw (I2C_STAT) || (inw (I2C_CON) & I2C_CON_MST)) {
+ udelay (1000);
+ /* have to read to clear intrrupt */
+ inw (I2C_IV);
+ }
+ }
+
+ return i2c_error;
+}
+
+int i2c_probe (uchar chip)
+{
+ int res = 1;
+
+ if (chip == inw (I2C_OA)) {
+ return res;
+ }
+
+ /* wait until bus not busy */
+ wait_for_bb ();
+
+ /* try to read one byte */
+ outw (1, I2C_CNT);
+ /* set slave address */
+ outw (chip, I2C_SA);
+ /* stop bit needed here */
+ outw (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_STP, I2C_CON);
+ /* enough delay for the NACK bit set */
+ udelay (2000);
+ if (!(inw (I2C_STAT) & I2C_STAT_NACK)) {
+ res = 0;
+ } else {
+ outw (inw (I2C_CON) | I2C_CON_STP, I2C_CON);
+ udelay (20);
+ wait_for_bb ();
+ }
+
+ return res;
+}
+
+int i2c_read (uchar chip, uint addr, int alen, uchar * buffer, int len)
+{
+ int i;
+
+ if (alen > 1) {
+ printf ("I2C read: addr len %d not supported\n", alen);
+ return 1;
+ }
+
+ if (addr + len > 256) {
+ printf ("I2C read: address out of range\n");
+ return 1;
+ }
+
+ for (i = 0; i < len; i++) {
+ if (i2c_read_byte (chip, addr + i, &buffer[i])) {
+ printf ("I2C read: I/O error\n");
+ i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len)
+{
+ int i;
+
+ if (alen > 1) {
+ printf ("I2C read: addr len %d not supported\n", alen);
+ return 1;
+ }
+
+ if (addr + len > 256) {
+ printf ("I2C read: address out of range\n");
+ return 1;
+ }
+
+ for (i = 0; i < len; i++) {
+ if (i2c_write_byte (chip, addr + i, buffer[i])) {
+ printf ("I2C read: I/O error\n");
+ i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static void wait_for_bb (void)
+{
+ int timeout = 10;
+
+ while ((inw (I2C_STAT) & I2C_STAT_BB) && timeout--) {
+ inw (I2C_IV);
+ udelay (1000);
+ }
+
+ if (timeout <= 0) {
+ printf ("timed out in wait_for_bb: I2C_STAT=%x\n",
+ inw (I2C_STAT));
+ }
+}
+
+static u16 wait_for_pin (void)
+{
+ u16 status, iv;
+ int timeout = 10;
+
+ do {
+ udelay (1000);
+ status = inw (I2C_STAT);
+ iv = inw (I2C_IV);
+ } while (!iv &&
+ !(status &
+ (I2C_STAT_ROVR | I2C_STAT_XUDF | I2C_STAT_XRDY |
+ I2C_STAT_RRDY | I2C_STAT_ARDY | I2C_STAT_NACK |
+ I2C_STAT_AL)) && timeout--);
+
+ if (timeout <= 0) {
+ printf ("timed out in wait_for_pin: I2C_STAT=%x\n",
+ inw (I2C_STAT));
+ }
+
+ return status;
+}
+
+#endif /* CONFIG_DRIVER_OMAP1510_I2C */
--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Gerry Hamel, geh@ti.com, Texas Instruments
+ *
+ * Based on
+ * linux/drivers/usbd/usbd.c.c - USB Device Core Layer
+ *
+ * Copyright (c) 2000, 2001, 2002 Lineo
+ * Copyright (c) 2001 Hewlett Packard
+ *
+ * By:
+ * Stuart Lynne <sl@lineo.com>,
+ * Tom Rushworth <tbr@lineo.com>,
+ * Bruce Balden <balden@lineo.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <malloc.h>
+#include "usbdcore.h"
+
+#define MAX_INTERFACES 2
+
+
+int maxstrings = 20;
+
+/* Global variables ************************************************************************** */
+
+struct usb_string_descriptor **usb_strings;
+
+int usb_devices;
+
+extern struct usb_function_driver ep0_driver;
+
+int registered_functions;
+int registered_devices;
+
+char *usbd_device_events[] = {
+ "DEVICE_UNKNOWN",
+ "DEVICE_INIT",
+ "DEVICE_CREATE",
+ "DEVICE_HUB_CONFIGURED",
+ "DEVICE_RESET",
+ "DEVICE_ADDRESS_ASSIGNED",
+ "DEVICE_CONFIGURED",
+ "DEVICE_SET_INTERFACE",
+ "DEVICE_SET_FEATURE",
+ "DEVICE_CLEAR_FEATURE",
+ "DEVICE_DE_CONFIGURED",
+ "DEVICE_BUS_INACTIVE",
+ "DEVICE_BUS_ACTIVITY",
+ "DEVICE_POWER_INTERRUPTION",
+ "DEVICE_HUB_RESET",
+ "DEVICE_DESTROY",
+ "DEVICE_FUNCTION_PRIVATE",
+};
+
+char *usbd_device_states[] = {
+ "STATE_INIT",
+ "STATE_CREATED",
+ "STATE_ATTACHED",
+ "STATE_POWERED",
+ "STATE_DEFAULT",
+ "STATE_ADDRESSED",
+ "STATE_CONFIGURED",
+ "STATE_UNKNOWN",
+};
+
+char *usbd_device_requests[] = {
+ "GET STATUS", /* 0 */
+ "CLEAR FEATURE", /* 1 */
+ "RESERVED", /* 2 */
+ "SET FEATURE", /* 3 */
+ "RESERVED", /* 4 */
+ "SET ADDRESS", /* 5 */
+ "GET DESCRIPTOR", /* 6 */
+ "SET DESCRIPTOR", /* 7 */
+ "GET CONFIGURATION", /* 8 */
+ "SET CONFIGURATION", /* 9 */
+ "GET INTERFACE", /* 10 */
+ "SET INTERFACE", /* 11 */
+ "SYNC FRAME", /* 12 */
+};
+
+char *usbd_device_descriptors[] = {
+ "UNKNOWN", /* 0 */
+ "DEVICE", /* 1 */
+ "CONFIG", /* 2 */
+ "STRING", /* 3 */
+ "INTERFACE", /* 4 */
+ "ENDPOINT", /* 5 */
+ "DEVICE QUALIFIER", /* 6 */
+ "OTHER SPEED", /* 7 */
+ "INTERFACE POWER", /* 8 */
+};
+
+char *usbd_device_status[] = {
+ "USBD_OPENING",
+ "USBD_OK",
+ "USBD_SUSPENDED",
+ "USBD_CLOSING",
+};
+
+
+/* Descriptor support functions ************************************************************** */
+
+
+/**
+ * usbd_get_string - find and return a string descriptor
+ * @index: string index to return
+ *
+ * Find an indexed string and return a pointer to a it.
+ */
+struct usb_string_descriptor *usbd_get_string (__u8 index)
+{
+ if (index >= maxstrings) {
+ return NULL;
+ }
+ return usb_strings[index];
+}
+
+
+/* Access to device descriptor functions ***************************************************** */
+
+
+/* *
+ * usbd_device_configuration_instance - find a configuration instance for this device
+ * @device:
+ * @configuration: index to configuration, 0 - N-1
+ *
+ * Get specifed device configuration. Index should be bConfigurationValue-1.
+ */
+static struct usb_configuration_instance *usbd_device_configuration_instance (struct usb_device_instance *device,
+ unsigned int port, unsigned int configuration)
+{
+ /* XXX */
+ configuration = configuration ? configuration - 1 : 0;
+
+ if (configuration >= device->configurations) {
+ return NULL;
+ }
+ return device->configuration_instance_array + configuration;
+}
+
+
+/* *
+ * usbd_device_interface_instance
+ * @device:
+ * @configuration: index to configuration, 0 - N-1
+ * @interface: index to interface
+ *
+ * Return the specified interface descriptor for the specified device.
+ */
+struct usb_interface_instance *usbd_device_interface_instance (struct usb_device_instance *device, int port, int configuration, int interface)
+{
+ struct usb_configuration_instance *configuration_instance;
+
+ if ((configuration_instance = usbd_device_configuration_instance (device, port, configuration)) == NULL) {
+ return NULL;
+ }
+ if (interface >= configuration_instance->interfaces) {
+ return NULL;
+ }
+ return configuration_instance->interface_instance_array + interface;
+}
+
+/* *
+ * usbd_device_alternate_descriptor_list
+ * @device:
+ * @configuration: index to configuration, 0 - N-1
+ * @interface: index to interface
+ * @alternate: alternate setting
+ *
+ * Return the specified alternate descriptor for the specified device.
+ */
+struct usb_alternate_instance *usbd_device_alternate_instance (struct usb_device_instance *device, int port, int configuration, int interface, int alternate)
+{
+ struct usb_interface_instance *interface_instance;
+
+ if ((interface_instance = usbd_device_interface_instance (device, port, configuration, interface)) == NULL) {
+ return NULL;
+ }
+
+ if (alternate >= interface_instance->alternates) {
+ return NULL;
+ }
+
+ return interface_instance->alternates_instance_array + alternate;
+}
+
+
+/* *
+ * usbd_device_device_descriptor
+ * @device: which device
+ * @configuration: index to configuration, 0 - N-1
+ * @port: which port
+ *
+ * Return the specified configuration descriptor for the specified device.
+ */
+struct usb_device_descriptor *usbd_device_device_descriptor (struct usb_device_instance *device, int port)
+{
+ return (device->device_descriptor);
+}
+
+
+/**
+ * usbd_device_configuration_descriptor
+ * @device: which device
+ * @port: which port
+ * @configuration: index to configuration, 0 - N-1
+ *
+ * Return the specified configuration descriptor for the specified device.
+ */
+struct usb_configuration_descriptor *usbd_device_configuration_descriptor (struct
+ usb_device_instance
+ *device, int port, int configuration)
+{
+ struct usb_configuration_instance *configuration_instance;
+ if (!(configuration_instance = usbd_device_configuration_instance (device, port, configuration))) {
+ return NULL;
+ }
+ return (configuration_instance->configuration_descriptor);
+}
+
+
+/**
+ * usbd_device_interface_descriptor
+ * @device: which device
+ * @port: which port
+ * @configuration: index to configuration, 0 - N-1
+ * @interface: index to interface
+ * @alternate: alternate setting
+ *
+ * Return the specified interface descriptor for the specified device.
+ */
+struct usb_interface_descriptor *usbd_device_interface_descriptor (struct usb_device_instance
+ *device, int port, int configuration, int interface, int alternate)
+{
+ struct usb_interface_instance *interface_instance;
+ if (!(interface_instance = usbd_device_interface_instance (device, port, configuration, interface))) {
+ return NULL;
+ }
+ if ((alternate < 0) || (alternate >= interface_instance->alternates)) {
+ return NULL;
+ }
+ return (interface_instance->alternates_instance_array[alternate].interface_descriptor);
+}
+
+/**
+ * usbd_device_endpoint_descriptor_index
+ * @device: which device
+ * @port: which port
+ * @configuration: index to configuration, 0 - N-1
+ * @interface: index to interface
+ * @alternate: index setting
+ * @index: which index
+ *
+ * Return the specified endpoint descriptor for the specified device.
+ */
+struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor_index (struct usb_device_instance
+ *device, int port, int configuration, int interface, int alternate, int index)
+{
+ struct usb_alternate_instance *alternate_instance;
+
+ if (!(alternate_instance = usbd_device_alternate_instance (device, port, configuration, interface, alternate))) {
+ return NULL;
+ }
+ if (index >= alternate_instance->endpoints) {
+ return NULL;
+ }
+ return *(alternate_instance->endpoints_descriptor_array + index);
+}
+
+
+/**
+ * usbd_device_endpoint_transfersize
+ * @device: which device
+ * @port: which port
+ * @configuration: index to configuration, 0 - N-1
+ * @interface: index to interface
+ * @index: which index
+ *
+ * Return the specified endpoint transfer size;
+ */
+int usbd_device_endpoint_transfersize (struct usb_device_instance *device, int port, int configuration, int interface, int alternate, int index)
+{
+ struct usb_alternate_instance *alternate_instance;
+
+ if (!(alternate_instance = usbd_device_alternate_instance (device, port, configuration, interface, alternate))) {
+ return 0;
+ }
+ if (index >= alternate_instance->endpoints) {
+ return 0;
+ }
+ return *(alternate_instance->endpoint_transfersize_array + index);
+}
+
+
+/**
+ * usbd_device_endpoint_descriptor
+ * @device: which device
+ * @port: which port
+ * @configuration: index to configuration, 0 - N-1
+ * @interface: index to interface
+ * @alternate: alternate setting
+ * @endpoint: which endpoint
+ *
+ * Return the specified endpoint descriptor for the specified device.
+ */
+struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor (struct usb_device_instance *device, int port, int configuration, int interface, int alternate, int endpoint)
+{
+ struct usb_endpoint_descriptor *endpoint_descriptor;
+ int i;
+
+ for (i = 0; !(endpoint_descriptor = usbd_device_endpoint_descriptor_index (device, port, configuration, interface, alternate, i)); i++) {
+ if (endpoint_descriptor->bEndpointAddress == endpoint) {
+ return endpoint_descriptor;
+ }
+ }
+ return NULL;
+}
+
+/**
+ * usbd_endpoint_halted
+ * @device: point to struct usb_device_instance
+ * @endpoint: endpoint to check
+ *
+ * Return non-zero if endpoint is halted.
+ */
+int usbd_endpoint_halted (struct usb_device_instance *device, int endpoint)
+{
+ return (device->status == USB_STATUS_HALT);
+}
+
+
+/**
+ * usbd_rcv_complete - complete a receive
+ * @endpoint:
+ * @len:
+ * @urb_bad:
+ *
+ * Called from rcv interrupt to complete.
+ */
+void usbd_rcv_complete(struct usb_endpoint_instance *endpoint, int len, int urb_bad)
+{
+ if (endpoint) {
+ struct urb *rcv_urb;
+
+ /*usbdbg("len: %d urb: %p\n", len, endpoint->rcv_urb); */
+
+ /* if we had an urb then update actual_length, dispatch if neccessary */
+ if ((rcv_urb = endpoint->rcv_urb)) {
+
+ /*usbdbg("actual: %d buffer: %d\n", */
+ /*rcv_urb->actual_length, rcv_urb->buffer_length); */
+
+ /* check the urb is ok, are we adding data less than the packetsize */
+ if (!urb_bad && (len <= endpoint->rcv_packetSize)) {
+ /*usbdbg("updating actual_length by %d\n",len); */
+
+ /* increment the received data size */
+ rcv_urb->actual_length += len;
+
+ } else {
+ usberr(" RECV_ERROR actual: %d buffer: %d urb_bad: %d\n",
+ rcv_urb->actual_length, rcv_urb->buffer_length, urb_bad);
+
+ rcv_urb->actual_length = 0;
+ rcv_urb->status = RECV_ERROR;
+ }
+ } else {
+ usberr("no rcv_urb!");
+ }
+ } else {
+ usberr("no endpoint!");
+ }
+
+}
+
+/**
+ * usbd_tx_complete - complete a transmit
+ * @endpoint:
+ * @resetart:
+ *
+ * Called from tx interrupt to complete.
+ */
+void usbd_tx_complete (struct usb_endpoint_instance *endpoint)
+{
+ if (endpoint) {
+ struct urb *tx_urb;
+
+ /* if we have a tx_urb advance or reset, finish if complete */
+ if ((tx_urb = endpoint->tx_urb)) {
+ int sent = endpoint->last;
+ endpoint->sent += sent;
+ endpoint->last -= sent;
+
+ if( (endpoint->tx_urb->actual_length - endpoint->sent) <= 0 ) {
+ tx_urb->actual_length = 0;
+ endpoint->sent = 0;
+ endpoint->last = 0;
+
+ /* Remove from active, save for re-use */
+ urb_detach(tx_urb);
+ urb_append(&endpoint->done, tx_urb);
+ /*usbdbg("done->next %p, tx_urb %p, done %p", */
+ /* endpoint->done.next, tx_urb, &endpoint->done); */
+
+ endpoint->tx_urb = first_urb_detached(&endpoint->tx);
+ if( endpoint->tx_urb ) {
+ endpoint->tx_queue--;
+ usbdbg("got urb from tx list");
+ }
+ if( !endpoint->tx_urb ) {
+ /*usbdbg("taking urb from done list"); */
+ endpoint->tx_urb = first_urb_detached(&endpoint->done);
+ }
+ if( !endpoint->tx_urb ) {
+ usbdbg("allocating new urb for tx_urb");
+ endpoint->tx_urb = usbd_alloc_urb(tx_urb->device, endpoint);
+ }
+ }
+ }
+ }
+}
+
+/* URB linked list functions ***************************************************** */
+
+/*
+ * Initialize an urb_link to be a single element list.
+ * If the urb_link is being used as a distinguished list head
+ * the list is empty when the head is the only link in the list.
+ */
+void urb_link_init (urb_link * ul)
+{
+ if (ul) {
+ ul->prev = ul->next = ul;
+ }
+}
+
+/*
+ * Detach an urb_link from a list, and set it
+ * up as a single element list, so no dangling
+ * pointers can be followed, and so it can be
+ * joined to another list if so desired.
+ */
+void urb_detach (struct urb *urb)
+{
+ if (urb) {
+ urb_link *ul = &urb->link;
+ ul->next->prev = ul->prev;
+ ul->prev->next = ul->next;
+ urb_link_init (ul);
+ }
+}
+
+/*
+ * Return the first urb_link in a list with a distinguished
+ * head "hd", or NULL if the list is empty. This will also
+ * work as a predicate, returning NULL if empty, and non-NULL
+ * otherwise.
+ */
+urb_link *first_urb_link (urb_link * hd)
+{
+ urb_link *nx;
+ if (NULL != hd && NULL != (nx = hd->next) && nx != hd) {
+ /* There is at least one element in the list */
+ /* (besides the distinguished head). */
+ return (nx);
+ }
+ /* The list is empty */
+ return (NULL);
+}
+
+/*
+ * Return the first urb in a list with a distinguished
+ * head "hd", or NULL if the list is empty.
+ */
+struct urb *first_urb (urb_link * hd)
+{
+ urb_link *nx;
+ if (NULL == (nx = first_urb_link (hd))) {
+ /* The list is empty */
+ return (NULL);
+ }
+ return (p2surround (struct urb, link, nx));
+}
+
+/*
+ * Detach and return the first urb in a list with a distinguished
+ * head "hd", or NULL if the list is empty.
+ *
+ */
+struct urb *first_urb_detached (urb_link * hd)
+{
+ struct urb *urb;
+ if ((urb = first_urb (hd))) {
+ urb_detach (urb);
+ }
+ return urb;
+}
+
+
+/*
+ * Append an urb_link (or a whole list of
+ * urb_links) to the tail of another list
+ * of urb_links.
+ */
+void urb_append (urb_link * hd, struct urb *urb)
+{
+ if (hd && urb) {
+ urb_link *new = &urb->link;
+
+ /* This allows the new urb to be a list of urbs, */
+ /* with new pointing at the first, but the link */
+ /* must be initialized. */
+ /* Order is important here... */
+ urb_link *pul = hd->prev;
+ new->prev->next = hd;
+ hd->prev = new->prev;
+ new->prev = pul;
+ pul->next = new;
+ }
+}
+
+/* URB create/destroy functions ***************************************************** */
+
+/**
+ * usbd_alloc_urb - allocate an URB appropriate for specified endpoint
+ * @device: device instance
+ * @endpoint: endpoint
+ *
+ * Allocate an urb structure. The usb device urb structure is used to
+ * contain all data associated with a transfer, including a setup packet for
+ * control transfers.
+ *
+ * NOTE: endpoint_address MUST contain a direction flag.
+ */
+struct urb *usbd_alloc_urb (struct usb_device_instance *device, struct usb_endpoint_instance *endpoint)
+{
+ struct urb *urb;
+
+ if( !(urb = (struct urb*)malloc(sizeof(struct urb))) ) {
+ usberr(" F A T A L: malloc(%u) FAILED!!!!", sizeof(struct urb));
+ return NULL;
+ }
+
+ /* Fill in known fields */
+ memset(urb, 0, sizeof(struct urb));
+ urb->endpoint = endpoint;
+ urb->device = device;
+ urb->buffer = (u8*)urb->buffer_data;
+ urb->buffer_length = sizeof(urb->buffer_data);
+
+ urb_link_init (&urb->link);
+
+ return urb;
+}
+
+/**
+ * usbd_dealloc_urb - deallocate an URB and associated buffer
+ * @urb: pointer to an urb structure
+ *
+ * Deallocate an urb structure and associated data.
+ */
+void usbd_dealloc_urb (struct urb *urb)
+{
+ if (urb) {
+ free (urb);
+ }
+}
+
+/* Event signaling functions ***************************************************** */
+
+/**
+ * usbd_device_event - called to respond to various usb events
+ * @device: pointer to struct device
+ * @event: event to respond to
+ *
+ * Used by a Bus driver to indicate an event.
+ */
+void usbd_device_event_irq (struct usb_device_instance *device, usb_device_event_t event, int data)
+{
+ usb_device_state_t state;
+
+ if (!device || !device->bus) {
+ usberr("(%p,%d) NULL device or device->bus", device, event);
+ return;
+ }
+
+ state = device->device_state;
+
+ usbinfo("%s", usbd_device_events[event]);
+
+ switch (event) {
+ case DEVICE_UNKNOWN:
+ break;
+ case DEVICE_INIT:
+ device->device_state = STATE_INIT;
+ break;
+
+ case DEVICE_CREATE:
+ device->device_state = STATE_ATTACHED;
+ break;
+
+ case DEVICE_HUB_CONFIGURED:
+ device->device_state = STATE_POWERED;
+ break;
+
+ case DEVICE_RESET:
+ device->device_state = STATE_DEFAULT;
+ device->address = 0;
+ break;
+
+ case DEVICE_ADDRESS_ASSIGNED:
+ device->device_state = STATE_ADDRESSED;
+ break;
+
+ case DEVICE_CONFIGURED:
+ device->device_state = STATE_CONFIGURED;
+ break;
+
+ case DEVICE_DE_CONFIGURED:
+ device->device_state = STATE_ADDRESSED;
+ break;
+
+ case DEVICE_BUS_INACTIVE:
+ if (device->status != USBD_CLOSING) {
+ device->status = USBD_SUSPENDED;
+ }
+ break;
+ case DEVICE_BUS_ACTIVITY:
+ if (device->status != USBD_CLOSING) {
+ device->status = USBD_OK;
+ }
+ break;
+
+ case DEVICE_SET_INTERFACE:
+ break;
+ case DEVICE_SET_FEATURE:
+ break;
+ case DEVICE_CLEAR_FEATURE:
+ break;
+
+ case DEVICE_POWER_INTERRUPTION:
+ device->device_state = STATE_POWERED;
+ break;
+ case DEVICE_HUB_RESET:
+ device->device_state = STATE_ATTACHED;
+ break;
+ case DEVICE_DESTROY:
+ device->device_state = STATE_UNKNOWN;
+ break;
+
+ case DEVICE_FUNCTION_PRIVATE:
+ break;
+
+ default:
+ usbdbg("event %d - not handled",event);
+ break;
+ }
+ /*usbdbg("%s event: %d oldstate: %d newstate: %d status: %d address: %d",
+ device->name, event, state,
+ device->device_state, device->status, device->address); */
+
+ /* tell the bus interface driver */
+ if( device->event ) {
+ /* usbdbg("calling device->event"); */
+ device->event(device, event, data);
+ }
+}
--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Gerry Hamel, geh@ti.com, Texas Instruments
+ *
+ * Based on
+ * linux/drivers/usbd/ep0.c
+ *
+ * Copyright (c) 2000, 2001, 2002 Lineo
+ * Copyright (c) 2001 Hewlett Packard
+ *
+ * By:
+ * Stuart Lynne <sl@lineo.com>,
+ * Tom Rushworth <tbr@lineo.com>,
+ * Bruce Balden <balden@lineo.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/*
+ * This is the builtin ep0 control function. It implements all required functionality
+ * for responding to control requests (SETUP packets).
+ *
+ * XXX
+ *
+ * Currently we do not pass any SETUP packets (or other) to the configured
+ * function driver. This may need to change.
+ *
+ * XXX
+ */
+
+#include <common.h>
+
+#if defined(CONFIG_OMAP1510) && defined(CONFIG_USB_DEVICE)
+#include "usbdcore.h"
+
+#if 0
+#define dbg_ep0(lvl,fmt,args...) serial_printf("[%s] %s:%d: "fmt"\n",__FILE__,__FUNCTION__,__LINE__,##args)
+#else
+#define dbg_ep0(lvl,fmt,args...)
+#endif
+
+/* EP0 Configuration Set ********************************************************************* */
+
+
+/**
+ * ep0_get_status - fill in URB data with appropriate status
+ * @device:
+ * @urb:
+ * @index:
+ * @requesttype:
+ *
+ */
+static int ep0_get_status (struct usb_device_instance *device,
+ struct urb *urb, int index, int requesttype)
+{
+ char *cp;
+
+ urb->actual_length = 2;
+ cp = urb->buffer;
+ cp[0] = cp[1] = 0;
+
+ switch (requesttype) {
+ case USB_REQ_RECIPIENT_DEVICE:
+ cp[0] = USB_STATUS_SELFPOWERED;
+ break;
+ case USB_REQ_RECIPIENT_INTERFACE:
+ break;
+ case USB_REQ_RECIPIENT_ENDPOINT:
+ cp[0] = usbd_endpoint_halted (device, index);
+ break;
+ case USB_REQ_RECIPIENT_OTHER:
+ urb->actual_length = 0;
+ default:
+ break;
+ }
+ dbg_ep0 (2, "%02x %02x", cp[0], cp[1]);
+ return 0;
+}
+
+/**
+ * ep0_get_one
+ * @device:
+ * @urb:
+ * @result:
+ *
+ * Set a single byte value in the urb send buffer. Return non-zero to signal
+ * a request error.
+ */
+static int ep0_get_one (struct usb_device_instance *device, struct urb *urb,
+ __u8 result)
+{
+ urb->actual_length = 1; /* XXX 2? */
+ ((char *) urb->buffer)[0] = result;
+ return 0;
+}
+
+/**
+ * copy_config
+ * @urb: pointer to urb
+ * @data: pointer to configuration data
+ * @length: length of data
+ *
+ * Copy configuration data to urb transfer buffer if there is room for it.
+ */
+static void copy_config (struct urb *urb, void *data, int max_length,
+ int max_buf)
+{
+ int available;
+ int length;
+
+ /*dbg_ep0(3, "-> actual: %d buf: %d max_buf: %d max_length: %d data: %p", */
+ /* urb->actual_length, urb->buffer_length, max_buf, max_length, data); */
+
+ if (!data) {
+ dbg_ep0 (1, "data is NULL");
+ return;
+ }
+ if (!(length = *(unsigned char *) data)) {
+ dbg_ep0 (1, "length is zero");
+ return;
+ }
+
+ if (length > max_length) {
+ dbg_ep0 (1, "length: %d >= max_length: %d", length,
+ max_length);
+ return;
+ }
+ /*dbg_ep0(1, " actual: %d buf: %d max_buf: %d max_length: %d length: %d", */
+ /* urb->actual_length, urb->buffer_length, max_buf, max_length, length); */
+
+ if ((available =
+ /*urb->buffer_length */ max_buf - urb->actual_length) <= 0) {
+ return;
+ }
+ /*dbg_ep0(1, "actual: %d buf: %d max_buf: %d length: %d available: %d", */
+ /* urb->actual_length, urb->buffer_length, max_buf, length, available); */
+
+ if (length > available) {
+ length = available;
+ }
+ /*dbg_ep0(1, "actual: %d buf: %d max_buf: %d length: %d available: %d", */
+ /* urb->actual_length, urb->buffer_length, max_buf, length, available); */
+
+ memcpy (urb->buffer + urb->actual_length, data, length);
+ urb->actual_length += length;
+
+ dbg_ep0 (3,
+ "copy_config: <- actual: %d buf: %d max_buf: %d max_length: %d available: %d",
+ urb->actual_length, urb->buffer_length, max_buf, max_length,
+ available);
+}
+
+/**
+ * ep0_get_descriptor
+ * @device:
+ * @urb:
+ * @max:
+ * @descriptor_type:
+ * @index:
+ *
+ * Called by ep0_rx_process for a get descriptor device command. Determine what
+ * descriptor is being requested, copy to send buffer. Return zero if ok to send,
+ * return non-zero to signal a request error.
+ */
+static int ep0_get_descriptor (struct usb_device_instance *device,
+ struct urb *urb, int max, int descriptor_type,
+ int index)
+{
+ int port = 0; /* XXX compound device */
+ char *cp;
+
+ /*dbg_ep0(3, "max: %x type: %x index: %x", max, descriptor_type, index); */
+
+ if (!urb || !urb->buffer || !urb->buffer_length
+ || (urb->buffer_length < 255)) {
+ dbg_ep0 (2, "invalid urb %p", urb);
+ return -1L;
+ }
+
+ /* setup tx urb */
+ urb->actual_length = 0;
+ cp = urb->buffer;
+
+ dbg_ep0 (2, "%s", USBD_DEVICE_DESCRIPTORS (descriptor_type));
+
+ switch (descriptor_type) {
+ case USB_DESCRIPTOR_TYPE_DEVICE:
+ {
+ struct usb_device_descriptor *device_descriptor;
+
+ if (!
+ (device_descriptor =
+ usbd_device_device_descriptor (device, port))) {
+ return -1;
+ }
+ /* copy descriptor for this device */
+ copy_config (urb, device_descriptor,
+ sizeof (struct usb_device_descriptor),
+ max);
+
+ /* correct the correct control endpoint 0 max packet size into the descriptor */
+ device_descriptor =
+ (struct usb_device_descriptor *) urb->buffer;
+ device_descriptor->bMaxPacketSize0 =
+ urb->device->bus->maxpacketsize;
+
+ }
+ /*dbg_ep0(3, "copied device configuration, actual_length: %x", urb->actual_length); */
+ break;
+
+ case USB_DESCRIPTOR_TYPE_CONFIGURATION:
+ {
+ int bNumInterface;
+ struct usb_configuration_descriptor
+ *configuration_descriptor;
+ struct usb_device_descriptor *device_descriptor;
+
+ if (!
+ (device_descriptor =
+ usbd_device_device_descriptor (device, port))) {
+ return -1;
+ }
+ /*dbg_ep0(2, "%d %d", index, device_descriptor->bNumConfigurations); */
+ if (index > device_descriptor->bNumConfigurations) {
+ dbg_ep0 (0, "index too large: %d > %d", index,
+ device_descriptor->
+ bNumConfigurations);
+ return -1;
+ }
+
+ if (!
+ (configuration_descriptor =
+ usbd_device_configuration_descriptor (device,
+ port,
+ index))) {
+ dbg_ep0 (0,
+ "usbd_device_configuration_descriptor failed: %d",
+ index);
+ return -1;
+ }
+ copy_config (urb, configuration_descriptor,
+ sizeof (struct
+ usb_configuration_descriptor),
+ max);
+
+
+ /* iterate across interfaces for specified configuration */
+ dbg_ep0 (0, "bNumInterfaces: %d",
+ configuration_descriptor->bNumInterfaces);
+ for (bNumInterface = 0;
+ bNumInterface <
+ configuration_descriptor->bNumInterfaces;
+ bNumInterface++) {
+
+ int bAlternateSetting;
+ struct usb_interface_instance
+ *interface_instance;
+
+ dbg_ep0 (3, "[%d] bNumInterfaces: %d",
+ bNumInterface,
+ configuration_descriptor->bNumInterfaces);
+
+ if (! (interface_instance = usbd_device_interface_instance (device,
+ port, index, bNumInterface)))
+ {
+ dbg_ep0 (3, "[%d] interface_instance NULL",
+ bNumInterface);
+ return -1;
+ }
+ /* iterate across interface alternates */
+ for (bAlternateSetting = 0;
+ bAlternateSetting < interface_instance->alternates;
+ bAlternateSetting++) {
+ /*int class; */
+ int bNumEndpoint;
+ struct usb_interface_descriptor *interface_descriptor;
+
+ struct usb_alternate_instance *alternate_instance;
+
+ dbg_ep0 (3, "[%d:%d] alternates: %d",
+ bNumInterface,
+ bAlternateSetting,
+ interface_instance->alternates);
+
+ if (! (alternate_instance = usbd_device_alternate_instance (device, port, index, bNumInterface, bAlternateSetting))) {
+ dbg_ep0 (3, "[%d] alternate_instance NULL",
+ bNumInterface);
+ return -1;
+ }
+ /* copy descriptor for this interface */
+ copy_config (urb, alternate_instance->interface_descriptor,
+ sizeof (struct usb_interface_descriptor),
+ max);
+
+ /*dbg_ep0(3, "[%d:%d] classes: %d endpoints: %d", bNumInterface, bAlternateSetting, */
+ /* alternate_instance->classes, alternate_instance->endpoints); */
+
+ /* iterate across classes for this alternate interface */
+#if 0
+ for (class = 0;
+ class < alternate_instance->classes;
+ class++) {
+ struct usb_class_descriptor *class_descriptor;
+ /*dbg_ep0(3, "[%d:%d:%d] classes: %d", bNumInterface, bAlternateSetting, */
+ /* class, alternate_instance->classes); */
+ if (!(class_descriptor = usbd_device_class_descriptor_index (device, port, index, bNumInterface, bAlternateSetting, class))) {
+ dbg_ep0 (3, "[%d] class NULL",
+ class);
+ return -1;
+ }
+ /* copy descriptor for this class */
+ copy_config (urb, class_descriptor,
+ sizeof (struct usb_class_descriptor),
+ max);
+ }
+#endif
+
+ /* iterate across endpoints for this alternate interface */
+ interface_descriptor = alternate_instance->interface_descriptor;
+ for (bNumEndpoint = 0;
+ bNumEndpoint < alternate_instance->endpoints;
+ bNumEndpoint++) {
+ struct usb_endpoint_descriptor *endpoint_descriptor;
+ dbg_ep0 (3, "[%d:%d:%d] endpoint: %d",
+ bNumInterface,
+ bAlternateSetting,
+ bNumEndpoint,
+ interface_descriptor->
+ bNumEndpoints);
+ if (!(endpoint_descriptor = usbd_device_endpoint_descriptor_index (device, port, index, bNumInterface, bAlternateSetting, bNumEndpoint))) {
+ dbg_ep0 (3, "[%d] endpoint NULL",
+ bNumEndpoint);
+ return -1;
+ }
+ /* copy descriptor for this endpoint */
+ copy_config (urb, endpoint_descriptor,
+ sizeof (struct usb_endpoint_descriptor),
+ max);
+ }
+ }
+ }
+ dbg_ep0 (3, "lengths: %d %d",
+ le16_to_cpu (configuration_descriptor->wTotalLength),
+ urb->actual_length);
+ }
+ break;
+
+ case USB_DESCRIPTOR_TYPE_STRING:
+ {
+ struct usb_string_descriptor *string_descriptor;
+
+ if (!(string_descriptor = usbd_get_string (index))) {
+ return -1;
+ }
+ /*dbg_ep0(3, "string_descriptor: %p", string_descriptor); */
+ copy_config (urb, string_descriptor, string_descriptor->bLength, max);
+ }
+ break;
+ case USB_DESCRIPTOR_TYPE_INTERFACE:
+ return -1;
+ case USB_DESCRIPTOR_TYPE_ENDPOINT:
+ return -1;
+ case USB_DESCRIPTOR_TYPE_HID:
+ {
+ return -1; /* unsupported at this time */
+#if 0
+ int bNumInterface =
+ le16_to_cpu (urb->device_request.wIndex);
+ int bAlternateSetting = 0;
+ int class = 0;
+ struct usb_class_descriptor *class_descriptor;
+
+ if (!(class_descriptor =
+ usbd_device_class_descriptor_index (device,
+ port, 0,
+ bNumInterface,
+ bAlternateSetting,
+ class))
+ || class_descriptor->descriptor.hid.bDescriptorType != USB_DT_HID) {
+ dbg_ep0 (3, "[%d] interface is not HID",
+ bNumInterface);
+ return -1;
+ }
+ /* copy descriptor for this class */
+ copy_config (urb, class_descriptor,
+ class_descriptor->descriptor.hid.bLength,
+ max);
+#endif
+ }
+ break;
+ case USB_DESCRIPTOR_TYPE_REPORT:
+ {
+ return -1; /* unsupported at this time */
+#if 0
+ int bNumInterface =
+ le16_to_cpu (urb->device_request.wIndex);
+ int bAlternateSetting = 0;
+ int class = 0;
+ struct usb_class_report_descriptor *report_descriptor;
+
+ if (!(report_descriptor =
+ usbd_device_class_report_descriptor_index
+ (device, port, 0, bNumInterface,
+ bAlternateSetting, class))
+ || report_descriptor->bDescriptorType !=
+ USB_DT_REPORT) {
+ dbg_ep0 (3, "[%d] descriptor is not REPORT",
+ bNumInterface);
+ return -1;
+ }
+ /* copy report descriptor for this class */
+ /*copy_config(urb, &report_descriptor->bData[0], report_descriptor->wLength, max); */
+ if (max - urb->actual_length > 0) {
+ int length =
+ MIN (report_descriptor->wLength,
+ max - urb->actual_length);
+ memcpy (urb->buffer + urb->actual_length,
+ &report_descriptor->bData[0], length);
+ urb->actual_length += length;
+ }
+#endif
+ }
+ break;
+ default:
+ return -1;
+ }
+
+
+ dbg_ep0 (1, "urb: buffer: %p buffer_length: %2d actual_length: %2d packet size: %2d",
+ urb->buffer, urb->buffer_length, urb->actual_length,
+ device->bus->endpoint_array[0].tx_packetSize);
+/*
+ if ((urb->actual_length < max) && !(urb->actual_length % device->bus->endpoint_array[0].tx_packetSize)) {
+ dbg_ep0(0, "adding null byte");
+ urb->buffer[urb->actual_length++] = 0;
+ dbg_ep0(0, "urb: buffer_length: %2d actual_length: %2d packet size: %2d",
+ urb->buffer_length, urb->actual_length device->bus->endpoint_array[0].tx_packetSize);
+ }
+*/
+ return 0;
+
+}
+
+/**
+ * ep0_recv_setup - called to indicate URB has been received
+ * @urb: pointer to struct urb
+ *
+ * Check if this is a setup packet, process the device request, put results
+ * back into the urb and return zero or non-zero to indicate success (DATA)
+ * or failure (STALL).
+ *
+ */
+int ep0_recv_setup (struct urb *urb)
+{
+ /*struct usb_device_request *request = urb->buffer; */
+ /*struct usb_device_instance *device = urb->device; */
+
+ struct usb_device_request *request;
+ struct usb_device_instance *device;
+ int address;
+
+ dbg_ep0 (0, "entering ep0_recv_setup()");
+ if (!urb || !urb->device) {
+ dbg_ep0 (3, "invalid URB %p", urb);
+ return -1;
+ }
+
+ request = &urb->device_request;
+ device = urb->device;
+
+ dbg_ep0 (3, "urb: %p device: %p", urb, urb->device);
+
+
+ /*dbg_ep0(2, "- - - - - - - - - -"); */
+
+ dbg_ep0 (2,
+ "bmRequestType:%02x bRequest:%02x wValue:%04x wIndex:%04x wLength:%04x %s",
+ request->bmRequestType, request->bRequest,
+ le16_to_cpu (request->wValue), le16_to_cpu (request->wIndex),
+ le16_to_cpu (request->wLength),
+ USBD_DEVICE_REQUESTS (request->bRequest));
+
+ /* handle USB Standard Request (c.f. USB Spec table 9-2) */
+ if ((request->bmRequestType & USB_REQ_TYPE_MASK) != 0) {
+ dbg_ep0 (1, "non standard request: %x",
+ request->bmRequestType & USB_REQ_TYPE_MASK);
+ return -1; /* Stall here */
+ }
+
+ switch (device->device_state) {
+ case STATE_CREATED:
+ case STATE_ATTACHED:
+ case STATE_POWERED:
+ /* It actually is important to allow requests in these states,
+ * Windows will request descriptors before assigning an
+ * address to the client.
+ */
+
+ /*dbg_ep0 (1, "request %s not allowed in this state: %s", */
+ /* USBD_DEVICE_REQUESTS(request->bRequest), */
+ /* usbd_device_states[device->device_state]); */
+ /*return -1; */
+ break;
+
+ case STATE_INIT:
+ case STATE_DEFAULT:
+ switch (request->bRequest) {
+ case USB_REQ_GET_STATUS:
+ case USB_REQ_GET_INTERFACE:
+ case USB_REQ_SYNCH_FRAME: /* XXX should never see this (?) */
+ case USB_REQ_CLEAR_FEATURE:
+ case USB_REQ_SET_FEATURE:
+ case USB_REQ_SET_DESCRIPTOR:
+ /* case USB_REQ_SET_CONFIGURATION: */
+ case USB_REQ_SET_INTERFACE:
+ dbg_ep0 (1,
+ "request %s not allowed in DEFAULT state: %s",
+ USBD_DEVICE_REQUESTS (request->bRequest),
+ usbd_device_states[device->device_state]);
+ return -1;
+
+ case USB_REQ_SET_CONFIGURATION:
+ case USB_REQ_SET_ADDRESS:
+ case USB_REQ_GET_DESCRIPTOR:
+ case USB_REQ_GET_CONFIGURATION:
+ break;
+ }
+ case STATE_ADDRESSED:
+ case STATE_CONFIGURED:
+ break;
+ case STATE_UNKNOWN:
+ dbg_ep0 (1, "request %s not allowed in UNKNOWN state: %s",
+ USBD_DEVICE_REQUESTS (request->bRequest),
+ usbd_device_states[device->device_state]);
+ return -1;
+ }
+
+ /* handle all requests that return data (direction bit set on bm RequestType) */
+ if ((request->bmRequestType & USB_REQ_DIRECTION_MASK)) {
+
+ dbg_ep0 (3, "Device-to-Host");
+
+ switch (request->bRequest) {
+
+ case USB_REQ_GET_STATUS:
+ return ep0_get_status (device, urb, request->wIndex,
+ request->bmRequestType &
+ USB_REQ_RECIPIENT_MASK);
+
+ case USB_REQ_GET_DESCRIPTOR:
+ return ep0_get_descriptor (device, urb,
+ le16_to_cpu (request->wLength),
+ le16_to_cpu (request->wValue) >> 8,
+ le16_to_cpu (request->wValue) & 0xff);
+
+ case USB_REQ_GET_CONFIGURATION:
+ return ep0_get_one (device, urb,
+ device->configuration);
+
+ case USB_REQ_GET_INTERFACE:
+ return ep0_get_one (device, urb, device->alternate);
+
+ case USB_REQ_SYNCH_FRAME: /* XXX should never see this (?) */
+ return -1;
+
+ case USB_REQ_CLEAR_FEATURE:
+ case USB_REQ_SET_FEATURE:
+ case USB_REQ_SET_ADDRESS:
+ case USB_REQ_SET_DESCRIPTOR:
+ case USB_REQ_SET_CONFIGURATION:
+ case USB_REQ_SET_INTERFACE:
+ return -1;
+ }
+ }
+ /* handle the requests that do not return data */
+ else {
+
+
+ /*dbg_ep0(3, "Host-to-Device"); */
+ switch (request->bRequest) {
+
+ case USB_REQ_CLEAR_FEATURE:
+ case USB_REQ_SET_FEATURE:
+ dbg_ep0 (0, "Host-to-Device");
+ switch (request->
+ bmRequestType & USB_REQ_RECIPIENT_MASK) {
+ case USB_REQ_RECIPIENT_DEVICE:
+ /* XXX DEVICE_REMOTE_WAKEUP or TEST_MODE would be added here */
+ /* XXX fall through for now as we do not support either */
+ case USB_REQ_RECIPIENT_INTERFACE:
+ case USB_REQ_RECIPIENT_OTHER:
+ dbg_ep0 (0, "request %s not",
+ USBD_DEVICE_REQUESTS (request->bRequest));
+ default:
+ return -1;
+
+ case USB_REQ_RECIPIENT_ENDPOINT:
+ dbg_ep0 (0, "ENDPOINT: %x", le16_to_cpu (request->wValue));
+ if (le16_to_cpu (request->wValue) == USB_ENDPOINT_HALT) {
+ /*return usbd_device_feature (device, le16_to_cpu (request->wIndex), */
+ /* request->bRequest == USB_REQ_SET_FEATURE); */
+ /* NEED TO IMPLEMENT THIS!!! */
+ return -1;
+ } else {
+ dbg_ep0 (1, "request %s bad wValue: %04x",
+ USBD_DEVICE_REQUESTS
+ (request->bRequest),
+ le16_to_cpu (request->wValue));
+ return -1;
+ }
+ }
+
+ case USB_REQ_SET_ADDRESS:
+ /* check if this is a re-address, reset first if it is (this shouldn't be possible) */
+ if (device->device_state != STATE_DEFAULT) {
+ dbg_ep0 (1, "set_address: %02x state: %s",
+ le16_to_cpu (request->wValue),
+ usbd_device_states[device->device_state]);
+ return -1;
+ }
+ address = le16_to_cpu (request->wValue);
+ if ((address & 0x7f) != address) {
+ dbg_ep0 (1, "invalid address %04x %04x",
+ address, address & 0x7f);
+ return -1;
+ }
+ device->address = address;
+
+ /*dbg_ep0(2, "address: %d %d %d", */
+ /* request->wValue, le16_to_cpu(request->wValue), device->address); */
+
+ serial_printf ("DEVICE_ADDRESS_ASSIGNED.. event?\n");
+ return 0;
+
+ case USB_REQ_SET_DESCRIPTOR: /* XXX should we support this? */
+ dbg_ep0 (0, "set descriptor: NOT SUPPORTED");
+ return -1;
+
+ case USB_REQ_SET_CONFIGURATION:
+ /* c.f. 9.4.7 - the top half of wValue is reserved */
+ /* */
+ if ((device->configuration =
+ le16_to_cpu (request->wValue) & 0x7f) != 0) {
+ /* c.f. 9.4.7 - zero is the default or addressed state, in our case this */
+ /* is the same is configuration zero */
+ device->configuration = 0; /* TBR - ?????? */
+ }
+ /* reset interface and alternate settings */
+ device->interface = device->alternate = 0;
+
+ /*dbg_ep0(2, "set configuration: %d", device->configuration); */
+ /*serial_printf("DEVICE_CONFIGURED.. event?\n"); */
+ return 0;
+
+ case USB_REQ_SET_INTERFACE:
+ device->interface = le16_to_cpu (request->wIndex);
+ device->alternate = le16_to_cpu (request->wValue);
+ /*dbg_ep0(2, "set interface: %d alternate: %d", device->interface, device->alternate); */
+ serial_printf ("DEVICE_SET_INTERFACE.. event?\n");
+ return 0;
+
+ case USB_REQ_GET_STATUS:
+ case USB_REQ_GET_DESCRIPTOR:
+ case USB_REQ_GET_CONFIGURATION:
+ case USB_REQ_GET_INTERFACE:
+ case USB_REQ_SYNCH_FRAME: /* XXX should never see this (?) */
+ return -1;
+ }
+ }
+ return -1;
+}
+
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Gerry Hamel, geh@ti.com, Texas Instruments
+ *
+ * Based on
+ * linux/drivers/usb/device/bi/omap.c
+ * TI OMAP1510 USB bus interface driver
+ *
+ * Author: MontaVista Software, Inc.
+ * source@mvista.com
+ * (C) Copyright 2002
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+
+#if defined(CONFIG_OMAP1510) && defined(CONFIG_USB_DEVICE)
+
+#include <asm/io.h>
+#include <i2c.h>
+
+#include "usbdcore.h"
+#include "usbdcore_omap1510.h"
+#include "usbdcore_ep0.h"
+
+
+#define UDC_MAX_ENDPOINTS 31 /* Number of endpoints on this UDC */
+
+/* Some kind of debugging output... */
+#if 1
+#define UDCDBG(str)
+#define UDCDBGA(fmt,args...)
+#else /* The bugs still exists... */
+#define UDCDBG(str) serial_printf("[%s] %s:%d: " str "\n", __FILE__,__FUNCTION__,__LINE__)
+#define UDCDBGA(fmt,args...) serial_printf("[%s] %s:%d: " fmt "\n", __FILE__,__FUNCTION__,__LINE__, ##args)
+#endif
+
+#if 1
+#define UDCREG(name)
+#define UDCREGL(name)
+#else /* The bugs still exists... */
+#define UDCREG(name) serial_printf("%s():%d: %s[%08x]=%.4x\n",__FUNCTION__,__LINE__, (#name), name, inw(name)) /* For 16-bit regs */
+#define UDCREGL(name) serial_printf("%s():%d: %s[%08x]=%.8x\n",__FUNCTION__,__LINE__, (#name), name, inl(name)) /* For 32-bit regs */
+#endif
+
+
+static struct urb *ep0_urb = NULL;
+
+static struct usb_device_instance *udc_device; /* Used in interrupt handler */
+static u16 udc_devstat = 0; /* UDC status (DEVSTAT) */
+static u32 udc_interrupts = 0;
+
+static void udc_stall_ep (unsigned int ep_addr);
+
+
+static struct usb_endpoint_instance *omap1510_find_ep (int ep)
+{
+ int i;
+
+ for (i = 0; i < udc_device->bus->max_endpoints; i++) {
+ if (udc_device->bus->endpoint_array[i].endpoint_address == ep)
+ return &udc_device->bus->endpoint_array[i];
+ }
+ return NULL;
+}
+
+/* ************************************************************************** */
+/* IO
+ */
+
+/*
+ * omap1510_prepare_endpoint_for_rx
+ *
+ * This function implements TRM Figure 14-11.
+ *
+ * The endpoint to prepare for transfer is specified as a physical endpoint
+ * number. For OUT (rx) endpoints 1 through 15, the corresponding endpoint
+ * configuration register is checked to see if the endpoint is ISO or not.
+ * If the OUT endpoint is valid and is non-ISO then its FIFO is enabled.
+ * No action is taken for endpoint 0 or for IN (tx) endpoints 16 through 30.
+ */
+static void omap1510_prepare_endpoint_for_rx (int ep_addr)
+{
+ int ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK;
+
+ UDCDBGA ("omap1510_prepare_endpoint %x", ep_addr);
+ if (((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT)) {
+ if ((inw (UDC_EP_RX (ep_num)) &
+ (UDC_EPn_RX_Valid | UDC_EPn_RX_Iso)) ==
+ UDC_EPn_RX_Valid) {
+ /* rx endpoint is valid, non-ISO, so enable its FIFO */
+ outw (UDC_EP_Sel | ep_num, UDC_EP_NUM);
+ outw (UDC_Set_FIFO_En, UDC_CTRL);
+ outw (0, UDC_EP_NUM);
+ }
+ }
+}
+
+/* omap1510_configure_endpoints
+ *
+ * This function implements TRM Figure 14-10.
+ */
+static void omap1510_configure_endpoints (struct usb_device_instance *device)
+{
+ int ep;
+ struct usb_bus_instance *bus;
+ struct usb_endpoint_instance *endpoint;
+ unsigned short ep_ptr;
+ unsigned short ep_size;
+ unsigned short ep_isoc;
+ unsigned short ep_doublebuffer;
+ int ep_addr;
+ int packet_size;
+ int buffer_size;
+ int attributes;
+
+ bus = device->bus;
+
+ /* There is a dedicated 2048 byte buffer for USB packets that may be
+ * arbitrarily partitioned among the endpoints on 8-byte boundaries.
+ * The first 8 bytes are reserved for receiving setup packets on
+ * endpoint 0.
+ */
+ ep_ptr = 8; /* reserve the first 8 bytes for the setup fifo */
+
+ for (ep = 0; ep < bus->max_endpoints; ep++) {
+ endpoint = bus->endpoint_array + ep;
+ ep_addr = endpoint->endpoint_address;
+ if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
+ /* IN endpoint */
+ packet_size = endpoint->tx_packetSize;
+ attributes = endpoint->tx_attributes;
+ } else {
+ /* OUT endpoint */
+ packet_size = endpoint->rcv_packetSize;
+ attributes = endpoint->rcv_attributes;
+ }
+
+ switch (packet_size) {
+ case 0:
+ ep_size = 0;
+ break;
+ case 8:
+ ep_size = 0;
+ break;
+ case 16:
+ ep_size = 1;
+ break;
+ case 32:
+ ep_size = 2;
+ break;
+ case 64:
+ ep_size = 3;
+ break;
+ case 128:
+ ep_size = 4;
+ break;
+ case 256:
+ ep_size = 5;
+ break;
+ case 512:
+ ep_size = 6;
+ break;
+ default:
+ UDCDBGA ("ep 0x%02x has bad packet size %d",
+ ep_addr, packet_size);
+ packet_size = 0;
+ ep_size = 0;
+ break;
+ }
+
+ switch (attributes & USB_ENDPOINT_XFERTYPE_MASK) {
+ case USB_ENDPOINT_XFER_CONTROL:
+ case USB_ENDPOINT_XFER_BULK:
+ case USB_ENDPOINT_XFER_INT:
+ default:
+ /* A non-isochronous endpoint may optionally be
+ * double-buffered. For now we disable
+ * double-buffering.
+ */
+ ep_doublebuffer = 0;
+ ep_isoc = 0;
+ if (packet_size > 64)
+ packet_size = 0;
+ if (!ep || !ep_doublebuffer)
+ buffer_size = packet_size;
+ else
+ buffer_size = packet_size * 2;
+ break;
+ case USB_ENDPOINT_XFER_ISOC:
+ /* Isochronous endpoints are always double-
+ * buffered, but the double-buffering bit
+ * in the endpoint configuration register
+ * becomes the msb of the endpoint size so we
+ * set the double-buffering flag to zero.
+ */
+ ep_doublebuffer = 0;
+ ep_isoc = 1;
+ buffer_size = packet_size * 2;
+ break;
+ }
+
+ /* check to see if our packet buffer RAM is exhausted */
+ if ((ep_ptr + buffer_size) > 2048) {
+ UDCDBGA ("out of packet RAM for ep 0x%02x buf size %d", ep_addr, buffer_size);
+ buffer_size = packet_size = 0;
+ }
+
+ /* force a default configuration for endpoint 0 since it is
+ * always enabled
+ */
+ if (!ep && ((packet_size < 8) || (packet_size > 64))) {
+ buffer_size = packet_size = 64;
+ ep_size = 3;
+ }
+
+ if (!ep) {
+ /* configure endpoint 0 */
+ outw ((ep_size << 12) | (ep_ptr >> 3), UDC_EP0);
+ /*UDCDBGA("ep 0 buffer offset 0x%03x packet size 0x%03x", */
+ /* ep_ptr, packet_size); */
+ } else if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
+ /* IN endpoint */
+ if (packet_size) {
+ outw ((1 << 15) | (ep_doublebuffer << 14) |
+ (ep_size << 12) | (ep_isoc << 11) |
+ (ep_ptr >> 3),
+ UDC_EP_TX (ep_addr &
+ USB_ENDPOINT_NUMBER_MASK));
+ UDCDBGA ("IN ep %d buffer offset 0x%03x"
+ " packet size 0x%03x",
+ ep_addr & USB_ENDPOINT_NUMBER_MASK,
+ ep_ptr, packet_size);
+ } else {
+ outw (0,
+ UDC_EP_TX (ep_addr &
+ USB_ENDPOINT_NUMBER_MASK));
+ }
+ } else {
+ /* OUT endpoint */
+ if (packet_size) {
+ outw ((1 << 15) | (ep_doublebuffer << 14) |
+ (ep_size << 12) | (ep_isoc << 11) |
+ (ep_ptr >> 3),
+ UDC_EP_RX (ep_addr &
+ USB_ENDPOINT_NUMBER_MASK));
+ UDCDBGA ("OUT ep %d buffer offset 0x%03x"
+ " packet size 0x%03x",
+ ep_addr & USB_ENDPOINT_NUMBER_MASK,
+ ep_ptr, packet_size);
+ } else {
+ outw (0,
+ UDC_EP_RX (ep_addr &
+ USB_ENDPOINT_NUMBER_MASK));
+ }
+ }
+ ep_ptr += buffer_size;
+ }
+}
+
+/* omap1510_deconfigure_device
+ *
+ * This function balances omap1510_configure_device.
+ */
+static void omap1510_deconfigure_device (void)
+{
+ int epnum;
+
+ UDCDBG ("clear Cfg_Lock");
+ outw (inw (UDC_SYSCON1) & ~UDC_Cfg_Lock, UDC_SYSCON1);
+ UDCREG (UDC_SYSCON1);
+
+ /* deconfigure all endpoints */
+ for (epnum = 1; epnum <= 15; epnum++) {
+ outw (0, UDC_EP_RX (epnum));
+ outw (0, UDC_EP_TX (epnum));
+ }
+}
+
+/* omap1510_configure_device
+ *
+ * This function implements TRM Figure 14-9.
+ */
+static void omap1510_configure_device (struct usb_device_instance *device)
+{
+ omap1510_configure_endpoints (device);
+
+
+ /* Figure 14-9 indicates we should enable interrupts here, but we have
+ * other routines (udc_all_interrupts, udc_suspended_interrupts) to
+ * do that.
+ */
+
+ UDCDBG ("set Cfg_Lock");
+ outw (inw (UDC_SYSCON1) | UDC_Cfg_Lock, UDC_SYSCON1);
+ UDCREG (UDC_SYSCON1);
+}
+
+/* omap1510_write_noniso_tx_fifo
+ *
+ * This function implements TRM Figure 14-30.
+ *
+ * If the endpoint has an active tx_urb, then the next packet of data from the
+ * URB is written to the tx FIFO. The total amount of data in the urb is given
+ * by urb->actual_length. The maximum amount of data that can be sent in any
+ * one packet is given by endpoint->tx_packetSize. The number of data bytes
+ * from this URB that have already been transmitted is given by endpoint->sent.
+ * endpoint->last is updated by this routine with the number of data bytes
+ * transmitted in this packet.
+ *
+ * In accordance with Figure 14-30, the EP_NUM register must already have been
+ * written with the value to select the appropriate tx FIFO before this routine
+ * is called.
+ */
+static void omap1510_write_noniso_tx_fifo (struct usb_endpoint_instance
+ *endpoint)
+{
+ struct urb *urb = endpoint->tx_urb;
+
+ if (urb) {
+ unsigned int last, i;
+
+ UDCDBGA ("urb->buffer %p, buffer_length %d, actual_length %d",
+ urb->buffer, urb->buffer_length, urb->actual_length);
+ if ((last =
+ MIN (urb->actual_length - endpoint->sent,
+ endpoint->tx_packetSize))) {
+ u8 *cp = urb->buffer + endpoint->sent;
+
+ UDCDBGA ("endpoint->sent %d, tx_packetSize %d, last %d", endpoint->sent, endpoint->tx_packetSize, last);
+
+ if (((u32) cp & 1) == 0) { /* word aligned? */
+ outsw (UDC_DATA, cp, last >> 1);
+ } else { /* byte aligned. */
+ for (i = 0; i < (last >> 1); i++) {
+ u16 w = ((u16) cp[2 * i + 1] << 8) |
+ (u16) cp[2 * i];
+ outw (w, UDC_DATA);
+ }
+ }
+ if (last & 1) {
+ outb (*(cp + last - 1), UDC_DATA);
+ }
+ }
+ endpoint->last = last;
+ }
+}
+
+/* omap1510_read_noniso_rx_fifo
+ *
+ * This function implements TRM Figure 14-28.
+ *
+ * If the endpoint has an active rcv_urb, then the next packet of data is read
+ * from the rcv FIFO and written to rcv_urb->buffer at offset
+ * rcv_urb->actual_length to append the packet data to the data from any
+ * previous packets for this transfer. We assume that there is sufficient room
+ * left in the buffer to hold an entire packet of data.
+ *
+ * The return value is the number of bytes read from the FIFO for this packet.
+ *
+ * In accordance with Figure 14-28, the EP_NUM register must already have been
+ * written with the value to select the appropriate rcv FIFO before this routine
+ * is called.
+ */
+static int omap1510_read_noniso_rx_fifo (struct usb_endpoint_instance
+ *endpoint)
+{
+ struct urb *urb = endpoint->rcv_urb;
+ int len = 0;
+
+ if (urb) {
+ len = inw (UDC_RXFSTAT);
+
+ if (len) {
+ unsigned char *cp = urb->buffer + urb->actual_length;
+
+ insw (UDC_DATA, cp, len >> 1);
+ if (len & 1)
+ *(cp + len - 1) = inb (UDC_DATA);
+ }
+ }
+ return len;
+}
+
+/* omap1510_prepare_for_control_write_status
+ *
+ * This function implements TRM Figure 14-17.
+ *
+ * We have to deal here with non-autodecoded control writes that haven't already
+ * been dealt with by ep0_recv_setup. The non-autodecoded standard control
+ * write requests are: set/clear endpoint feature, set configuration, set
+ * interface, and set descriptor. ep0_recv_setup handles set/clear requests for
+ * ENDPOINT_HALT by halting the endpoint for a set request and resetting the
+ * endpoint for a clear request. ep0_recv_setup returns an error for
+ * SET_DESCRIPTOR requests which causes them to be terminated with a stall by
+ * the setup handler. A SET_INTERFACE request is handled by ep0_recv_setup by
+ * generating a DEVICE_SET_INTERFACE event. This leaves only the
+ * SET_CONFIGURATION event for us to deal with here.
+ *
+ */
+static void omap1510_prepare_for_control_write_status (struct urb *urb)
+{
+ struct usb_device_request *request = &urb->device_request;;
+
+ /* check for a SET_CONFIGURATION request */
+ if (request->bRequest == USB_REQ_SET_CONFIGURATION) {
+ int configuration = le16_to_cpu (request->wValue) & 0xff;
+ unsigned short devstat = inw (UDC_DEVSTAT);
+
+ if ((devstat & (UDC_ADD | UDC_CFG)) == UDC_ADD) {
+ /* device is currently in ADDRESSED state */
+ if (configuration) {
+ /* Assume the specified non-zero configuration
+ * value is valid and switch to the CONFIGURED
+ * state.
+ */
+ outw (UDC_Dev_Cfg, UDC_SYSCON2);
+ }
+ } else if ((devstat & UDC_CFG) == UDC_CFG) {
+ /* device is currently in CONFIGURED state */
+ if (!configuration) {
+ /* Switch to ADDRESSED state. */
+ outw (UDC_Clr_Cfg, UDC_SYSCON2);
+ }
+ }
+ }
+
+ /* select EP0 tx FIFO */
+ outw (UDC_EP_Dir | UDC_EP_Sel, UDC_EP_NUM);
+ /* clear endpoint (no data bytes in status stage) */
+ outw (UDC_Clr_EP, UDC_CTRL);
+ /* enable the EP0 tx FIFO */
+ outw (UDC_Set_FIFO_En, UDC_CTRL);
+ /* deselect the endpoint */
+ outw (UDC_EP_Dir, UDC_EP_NUM);
+}
+
+/* udc_state_transition_up
+ * udc_state_transition_down
+ *
+ * Helper functions to implement device state changes. The device states and
+ * the events that transition between them are:
+ *
+ * STATE_ATTACHED
+ * || /\
+ * \/ ||
+ * DEVICE_HUB_CONFIGURED DEVICE_HUB_RESET
+ * || /\
+ * \/ ||
+ * STATE_POWERED
+ * || /\
+ * \/ ||
+ * DEVICE_RESET DEVICE_POWER_INTERRUPTION
+ * || /\
+ * \/ ||
+ * STATE_DEFAULT
+ * || /\
+ * \/ ||
+ * DEVICE_ADDRESS_ASSIGNED DEVICE_RESET
+ * || /\
+ * \/ ||
+ * STATE_ADDRESSED
+ * || /\
+ * \/ ||
+ * DEVICE_CONFIGURED DEVICE_DE_CONFIGURED
+ * || /\
+ * \/ ||
+ * STATE_CONFIGURED
+ *
+ * udc_state_transition_up transitions up (in the direction from STATE_ATTACHED
+ * to STATE_CONFIGURED) from the specified initial state to the specified final
+ * state, passing through each intermediate state on the way. If the initial
+ * state is at or above (i.e. nearer to STATE_CONFIGURED) the final state, then
+ * no state transitions will take place.
+ *
+ * udc_state_transition_down transitions down (in the direction from
+ * STATE_CONFIGURED to STATE_ATTACHED) from the specified initial state to the
+ * specified final state, passing through each intermediate state on the way.
+ * If the initial state is at or below (i.e. nearer to STATE_ATTACHED) the final
+ * state, then no state transitions will take place.
+ *
+ * These functions must only be called with interrupts disabled.
+ */
+static void udc_state_transition_up (usb_device_state_t initial,
+ usb_device_state_t final)
+{
+ if (initial < final) {
+ switch (initial) {
+ case STATE_ATTACHED:
+ usbd_device_event_irq (udc_device,
+ DEVICE_HUB_CONFIGURED, 0);
+ if (final == STATE_POWERED)
+ break;
+ case STATE_POWERED:
+ usbd_device_event_irq (udc_device, DEVICE_RESET, 0);
+ if (final == STATE_DEFAULT)
+ break;
+ case STATE_DEFAULT:
+ usbd_device_event_irq (udc_device,
+ DEVICE_ADDRESS_ASSIGNED, 0);
+ if (final == STATE_ADDRESSED)
+ break;
+ case STATE_ADDRESSED:
+ usbd_device_event_irq (udc_device, DEVICE_CONFIGURED,
+ 0);
+ case STATE_CONFIGURED:
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+static void udc_state_transition_down (usb_device_state_t initial,
+ usb_device_state_t final)
+{
+ if (initial > final) {
+ switch (initial) {
+ case STATE_CONFIGURED:
+ usbd_device_event_irq (udc_device, DEVICE_DE_CONFIGURED, 0);
+ if (final == STATE_ADDRESSED)
+ break;
+ case STATE_ADDRESSED:
+ usbd_device_event_irq (udc_device, DEVICE_RESET, 0);
+ if (final == STATE_DEFAULT)
+ break;
+ case STATE_DEFAULT:
+ usbd_device_event_irq (udc_device, DEVICE_POWER_INTERRUPTION, 0);
+ if (final == STATE_POWERED)
+ break;
+ case STATE_POWERED:
+ usbd_device_event_irq (udc_device, DEVICE_HUB_RESET, 0);
+ case STATE_ATTACHED:
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+/* Handle all device state changes.
+ * This function implements TRM Figure 14-21.
+ */
+static void omap1510_udc_state_changed (void)
+{
+ u16 bits;
+ u16 devstat = inw (UDC_DEVSTAT);
+
+ UDCDBGA ("state changed, devstat %x, old %x", devstat, udc_devstat);
+
+ bits = devstat ^ udc_devstat;
+ if (bits) {
+ if (bits & UDC_ATT) {
+ if (devstat & UDC_ATT) {
+ UDCDBG ("device attached and powered");
+ udc_state_transition_up (udc_device->device_state, STATE_POWERED);
+ } else {
+ UDCDBG ("device detached or unpowered");
+ udc_state_transition_down (udc_device->device_state, STATE_ATTACHED);
+ }
+ }
+ if (bits & UDC_USB_Reset) {
+ if (devstat & UDC_USB_Reset) {
+ UDCDBG ("device reset in progess");
+ udc_state_transition_down (udc_device->device_state, STATE_POWERED);
+ } else {
+ UDCDBG ("device reset completed");
+ }
+ }
+ if (bits & UDC_DEF) {
+ if (devstat & UDC_DEF) {
+ UDCDBG ("device entering default state");
+ udc_state_transition_up (udc_device->device_state, STATE_DEFAULT);
+ } else {
+ UDCDBG ("device leaving default state");
+ udc_state_transition_down (udc_device->device_state, STATE_POWERED);
+ }
+ }
+ if (bits & UDC_SUS) {
+ if (devstat & UDC_SUS) {
+ UDCDBG ("entering suspended state");
+ usbd_device_event_irq (udc_device, DEVICE_BUS_INACTIVE, 0);
+ } else {
+ UDCDBG ("leaving suspended state");
+ usbd_device_event_irq (udc_device, DEVICE_BUS_ACTIVITY, 0);
+ }
+ }
+ if (bits & UDC_R_WK_OK) {
+ UDCDBGA ("remote wakeup %s", (devstat & UDC_R_WK_OK)
+ ? "enabled" : "disabled");
+ }
+ if (bits & UDC_ADD) {
+ if (devstat & UDC_ADD) {
+ UDCDBG ("default -> addressed");
+ udc_state_transition_up (udc_device->device_state, STATE_ADDRESSED);
+ } else {
+ UDCDBG ("addressed -> default");
+ udc_state_transition_down (udc_device->device_state, STATE_DEFAULT);
+ }
+ }
+ if (bits & UDC_CFG) {
+ if (devstat & UDC_CFG) {
+ UDCDBG ("device configured");
+ /* The ep0_recv_setup function generates the
+ * DEVICE_CONFIGURED event when a
+ * USB_REQ_SET_CONFIGURATION setup packet is
+ * received, so we should already be in the
+ * state STATE_CONFIGURED.
+ */
+ udc_state_transition_up (udc_device->device_state, STATE_CONFIGURED);
+ } else {
+ UDCDBG ("device deconfigured");
+ udc_state_transition_down (udc_device->device_state, STATE_ADDRESSED);
+ }
+ }
+ }
+
+ /* Clear interrupt source */
+ outw (UDC_DS_Chg, UDC_IRQ_SRC);
+
+ /* Save current DEVSTAT */
+ udc_devstat = devstat;
+}
+
+/* Handle SETUP USB interrupt.
+ * This function implements TRM Figure 14-14.
+ */
+static void omap1510_udc_setup (struct usb_endpoint_instance *endpoint)
+{
+ UDCDBG ("-> Entering device setup");
+
+ do {
+ const int setup_pktsize = 8;
+ unsigned char *datap =
+ (unsigned char *) &ep0_urb->device_request;
+
+ /* Gain access to EP 0 setup FIFO */
+ outw (UDC_Setup_Sel, UDC_EP_NUM);
+
+ /* Read control request data */
+ insb (UDC_DATA, datap, setup_pktsize);
+
+ UDCDBGA ("EP0 setup read [%x %x %x %x %x %x %x %x]",
+ *(datap + 0), *(datap + 1), *(datap + 2),
+ *(datap + 3), *(datap + 4), *(datap + 5),
+ *(datap + 6), *(datap + 7));
+
+ /* Reset EP0 setup FIFO */
+ outw (0, UDC_EP_NUM);
+ } while (inw (UDC_IRQ_SRC) & UDC_Setup);
+
+ /* Try to process setup packet */
+ if (ep0_recv_setup (ep0_urb)) {
+ /* Not a setup packet, stall next EP0 transaction */
+ udc_stall_ep (0);
+ UDCDBG ("can't parse setup packet, still waiting for setup");
+ return;
+ }
+
+ /* Check direction */
+ if ((ep0_urb->device_request.bmRequestType & USB_REQ_DIRECTION_MASK)
+ == USB_REQ_HOST2DEVICE) {
+ UDCDBG ("control write on EP0");
+ if (le16_to_cpu (ep0_urb->device_request.wLength)) {
+ /* We don't support control write data stages.
+ * The only standard control write request with a data
+ * stage is SET_DESCRIPTOR, and ep0_recv_setup doesn't
+ * support that so we just stall those requests. A
+ * function driver might support a non-standard
+ * write request with a data stage, but it isn't
+ * obvious what we would do with the data if we read it
+ * so we'll just stall it. It seems like the API isn't
+ * quite right here.
+ */
+#if 0
+ /* Here is what we would do if we did support control
+ * write data stages.
+ */
+ ep0_urb->actual_length = 0;
+ outw (0, UDC_EP_NUM);
+ /* enable the EP0 rx FIFO */
+ outw (UDC_Set_FIFO_En, UDC_CTRL);
+#else
+ /* Stall this request */
+ UDCDBG ("Stalling unsupported EP0 control write data "
+ "stage.");
+ udc_stall_ep (0);
+#endif
+ } else {
+ omap1510_prepare_for_control_write_status (ep0_urb);
+ }
+ } else {
+ UDCDBG ("control read on EP0");
+ /* The ep0_recv_setup function has already placed our response
+ * packet data in ep0_urb->buffer and the packet length in
+ * ep0_urb->actual_length.
+ */
+ endpoint->tx_urb = ep0_urb;
+ endpoint->sent = 0;
+ /* select the EP0 tx FIFO */
+ outw (UDC_EP_Dir | UDC_EP_Sel, UDC_EP_NUM);
+ /* Write packet data to the FIFO. omap1510_write_noniso_tx_fifo
+ * will update endpoint->last with the number of bytes written
+ * to the FIFO.
+ */
+ omap1510_write_noniso_tx_fifo (endpoint);
+ /* enable the FIFO to start the packet transmission */
+ outw (UDC_Set_FIFO_En, UDC_CTRL);
+ /* deselect the EP0 tx FIFO */
+ outw (UDC_EP_Dir, UDC_EP_NUM);
+ }
+
+ UDCDBG ("<- Leaving device setup");
+}
+
+/* Handle endpoint 0 RX interrupt
+ * This routine implements TRM Figure 14-16.
+ */
+static void omap1510_udc_ep0_rx (struct usb_endpoint_instance *endpoint)
+{
+ unsigned short status;
+
+ UDCDBG ("RX on EP0");
+ /* select EP0 rx FIFO */
+ outw (UDC_EP_Sel, UDC_EP_NUM);
+
+ status = inw (UDC_STAT_FLG);
+
+ if (status & UDC_ACK) {
+ /* Check direction */
+ if ((ep0_urb->device_request.bmRequestType
+ & USB_REQ_DIRECTION_MASK) == USB_REQ_HOST2DEVICE) {
+ /* This rx interrupt must be for a control write data
+ * stage packet.
+ *
+ * We don't support control write data stages.
+ * We should never end up here.
+ */
+
+ /* clear the EP0 rx FIFO */
+ outw (UDC_Clr_EP, UDC_CTRL);
+
+ /* deselect the EP0 rx FIFO */
+ outw (0, UDC_EP_NUM);
+
+ UDCDBG ("Stalling unexpected EP0 control write "
+ "data stage packet");
+ udc_stall_ep (0);
+ } else {
+ /* This rx interrupt must be for a control read status
+ * stage packet.
+ */
+ UDCDBG ("ACK on EP0 control read status stage packet");
+ /* deselect EP0 rx FIFO */
+ outw (0, UDC_EP_NUM);
+ }
+ } else if (status & UDC_STALL) {
+ UDCDBG ("EP0 stall during RX");
+ /* deselect EP0 rx FIFO */
+ outw (0, UDC_EP_NUM);
+ } else {
+ /* deselect EP0 rx FIFO */
+ outw (0, UDC_EP_NUM);
+ }
+}
+
+/* Handle endpoint 0 TX interrupt
+ * This routine implements TRM Figure 14-18.
+ */
+static void omap1510_udc_ep0_tx (struct usb_endpoint_instance *endpoint)
+{
+ unsigned short status;
+ struct usb_device_request *request = &ep0_urb->device_request;
+
+ UDCDBG ("TX on EP0");
+ /* select EP0 TX FIFO */
+ outw (UDC_EP_Dir | UDC_EP_Sel, UDC_EP_NUM);
+
+ status = inw (UDC_STAT_FLG);
+ if (status & UDC_ACK) {
+ /* Check direction */
+ if ((request->bmRequestType & USB_REQ_DIRECTION_MASK) ==
+ USB_REQ_HOST2DEVICE) {
+ /* This tx interrupt must be for a control write status
+ * stage packet.
+ */
+ UDCDBG ("ACK on EP0 control write status stage packet");
+ /* deselect EP0 TX FIFO */
+ outw (UDC_EP_Dir, UDC_EP_NUM);
+ } else {
+ /* This tx interrupt must be for a control read data
+ * stage packet.
+ */
+ int wLength = le16_to_cpu (request->wLength);
+
+ /* Update our count of bytes sent so far in this
+ * transfer.
+ */
+ endpoint->sent += endpoint->last;
+
+ /* We are finished with this transfer if we have sent
+ * all of the bytes in our tx urb (urb->actual_length)
+ * unless we need a zero-length terminating packet. We
+ * need a zero-length terminating packet if we returned
+ * fewer bytes than were requested (wLength) by the host,
+ * and the number of bytes we returned is an exact
+ * multiple of the packet size endpoint->tx_packetSize.
+ */
+ if ((endpoint->sent == ep0_urb->actual_length)
+ && ((ep0_urb->actual_length == wLength)
+ || (endpoint->last !=
+ endpoint->tx_packetSize))) {
+ /* Done with control read data stage. */
+ UDCDBG ("control read data stage complete");
+ /* deselect EP0 TX FIFO */
+ outw (UDC_EP_Dir, UDC_EP_NUM);
+ /* select EP0 RX FIFO to prepare for control
+ * read status stage.
+ */
+ outw (UDC_EP_Sel, UDC_EP_NUM);
+ /* clear the EP0 RX FIFO */
+ outw (UDC_Clr_EP, UDC_CTRL);
+ /* enable the EP0 RX FIFO */
+ outw (UDC_Set_FIFO_En, UDC_CTRL);
+ /* deselect the EP0 RX FIFO */
+ outw (0, UDC_EP_NUM);
+ } else {
+ /* We still have another packet of data to send
+ * in this control read data stage or else we
+ * need a zero-length terminating packet.
+ */
+ UDCDBG ("ACK control read data stage packet");
+ omap1510_write_noniso_tx_fifo (endpoint);
+ /* enable the EP0 tx FIFO to start transmission */
+ outw (UDC_Set_FIFO_En, UDC_CTRL);
+ /* deselect EP0 TX FIFO */
+ outw (UDC_EP_Dir, UDC_EP_NUM);
+ }
+ }
+ } else if (status & UDC_STALL) {
+ UDCDBG ("EP0 stall during TX");
+ /* deselect EP0 TX FIFO */
+ outw (UDC_EP_Dir, UDC_EP_NUM);
+ } else {
+ /* deselect EP0 TX FIFO */
+ outw (UDC_EP_Dir, UDC_EP_NUM);
+ }
+}
+
+/* Handle RX transaction on non-ISO endpoint.
+ * This function implements TRM Figure 14-27.
+ * The ep argument is a physical endpoint number for a non-ISO OUT endpoint
+ * in the range 1 to 15.
+ */
+static void omap1510_udc_epn_rx (int ep)
+{
+ unsigned short status;
+
+ /* Check endpoint status */
+ status = inw (UDC_STAT_FLG);
+
+ if (status & UDC_ACK) {
+ int nbytes;
+ struct usb_endpoint_instance *endpoint =
+ omap1510_find_ep (ep);
+
+ nbytes = omap1510_read_noniso_rx_fifo (endpoint);
+ usbd_rcv_complete (endpoint, nbytes, 0);
+
+ /* enable rx FIFO to prepare for next packet */
+ outw (UDC_Set_FIFO_En, UDC_CTRL);
+ } else if (status & UDC_STALL) {
+ UDCDBGA ("STALL on RX endpoint %d", ep);
+ } else if (status & UDC_NAK) {
+ UDCDBGA ("NAK on RX ep %d", ep);
+ } else {
+ serial_printf ("omap-bi: RX on ep %d with status %x", ep,
+ status);
+ }
+}
+
+/* Handle TX transaction on non-ISO endpoint.
+ * This function implements TRM Figure 14-29.
+ * The ep argument is a physical endpoint number for a non-ISO IN endpoint
+ * in the range 16 to 30.
+ */
+static void omap1510_udc_epn_tx (int ep)
+{
+ unsigned short status;
+
+ /*serial_printf("omap1510_udc_epn_tx( %x )\n",ep); */
+
+ /* Check endpoint status */
+ status = inw (UDC_STAT_FLG);
+
+ if (status & UDC_ACK) {
+ struct usb_endpoint_instance *endpoint =
+ omap1510_find_ep (ep);
+
+ /* We need to transmit a terminating zero-length packet now if
+ * we have sent all of the data in this URB and the transfer
+ * size was an exact multiple of the packet size.
+ */
+ if (endpoint->tx_urb
+ && (endpoint->last == endpoint->tx_packetSize)
+ && (endpoint->tx_urb->actual_length - endpoint->sent -
+ endpoint->last == 0)) {
+ /* Prepare to transmit a zero-length packet. */
+ endpoint->sent += endpoint->last;
+ /* write 0 bytes of data to FIFO */
+ omap1510_write_noniso_tx_fifo (endpoint);
+ /* enable tx FIFO to start transmission */
+ outw (UDC_Set_FIFO_En, UDC_CTRL);
+ } else if (endpoint->tx_urb
+ && endpoint->tx_urb->actual_length) {
+ /* retire the data that was just sent */
+ usbd_tx_complete (endpoint);
+ /* Check to see if we have more data ready to transmit
+ * now.
+ */
+ if (endpoint->tx_urb
+ && endpoint->tx_urb->actual_length) {
+ /* write data to FIFO */
+ omap1510_write_noniso_tx_fifo (endpoint);
+ /* enable tx FIFO to start transmission */
+ outw (UDC_Set_FIFO_En, UDC_CTRL);
+ }
+ }
+ } else if (status & UDC_STALL) {
+ UDCDBGA ("STALL on TX endpoint %d", ep);
+ } else if (status & UDC_NAK) {
+ UDCDBGA ("NAK on TX endpoint %d", ep);
+ } else {
+ /*serial_printf("omap-bi: TX on ep %d with status %x\n", ep, status); */
+ }
+}
+
+
+/*
+-------------------------------------------------------------------------------
+*/
+
+/* Handle general USB interrupts and dispatch according to type.
+ * This function implements TRM Figure 14-13.
+ */
+void omap1510_udc_irq (void)
+{
+ u16 irq_src = inw (UDC_IRQ_SRC);
+ int valid_irq = 0;
+
+ if (!(irq_src & ~UDC_SOF_Flg)) /* ignore SOF interrupts ) */
+ return;
+
+ UDCDBGA ("< IRQ #%d start >- %x", udc_interrupts, irq_src);
+ /*serial_printf("< IRQ #%d start >- %x\n", udc_interrupts, irq_src); */
+
+ if (irq_src & UDC_DS_Chg) {
+ /* Device status changed */
+ omap1510_udc_state_changed ();
+ valid_irq++;
+ }
+ if (irq_src & UDC_EP0_RX) {
+ /* Endpoint 0 receive */
+ outw (UDC_EP0_RX, UDC_IRQ_SRC); /* ack interrupt */
+ omap1510_udc_ep0_rx (udc_device->bus->endpoint_array + 0);
+ valid_irq++;
+ }
+ if (irq_src & UDC_EP0_TX) {
+ /* Endpoint 0 transmit */
+ outw (UDC_EP0_TX, UDC_IRQ_SRC); /* ack interrupt */
+ omap1510_udc_ep0_tx (udc_device->bus->endpoint_array + 0);
+ valid_irq++;
+ }
+ if (irq_src & UDC_Setup) {
+ /* Device setup */
+ omap1510_udc_setup (udc_device->bus->endpoint_array + 0);
+ valid_irq++;
+ }
+ /*if (!valid_irq) */
+ /* serial_printf("unknown interrupt, IRQ_SRC %.4x\n", irq_src); */
+ UDCDBGA ("< IRQ #%d end >", udc_interrupts);
+ udc_interrupts++;
+}
+
+/* This function implements TRM Figure 14-26. */
+void omap1510_udc_noniso_irq (void)
+{
+ unsigned short epnum;
+ unsigned short irq_src = inw (UDC_IRQ_SRC);
+ int valid_irq = 0;
+
+ if (!(irq_src & (UDC_EPn_RX | UDC_EPn_TX)))
+ return;
+
+ UDCDBGA ("non-ISO IRQ, IRQ_SRC %x", inw (UDC_IRQ_SRC));
+
+ if (irq_src & UDC_EPn_RX) { /* Endpoint N OUT transaction */
+ /* Determine the endpoint number for this interrupt */
+ epnum = (inw (UDC_EPN_STAT) & 0x0f00) >> 8;
+ UDCDBGA ("RX on ep %x", epnum);
+
+ /* acknowledge interrupt */
+ outw (UDC_EPn_RX, UDC_IRQ_SRC);
+
+ if (epnum) {
+ /* select the endpoint FIFO */
+ outw (UDC_EP_Sel | epnum, UDC_EP_NUM);
+
+ omap1510_udc_epn_rx (epnum);
+
+ /* deselect the endpoint FIFO */
+ outw (epnum, UDC_EP_NUM);
+ }
+ valid_irq++;
+ }
+ if (irq_src & UDC_EPn_TX) { /* Endpoint N IN transaction */
+ /* Determine the endpoint number for this interrupt */
+ epnum = (inw (UDC_EPN_STAT) & 0x000f) | USB_DIR_IN;
+ UDCDBGA ("TX on ep %x", epnum);
+
+ /* acknowledge interrupt */
+ outw (UDC_EPn_TX, UDC_IRQ_SRC);
+
+ if (epnum) {
+ /* select the endpoint FIFO */
+ outw (UDC_EP_Sel | UDC_EP_Dir | epnum, UDC_EP_NUM);
+
+ omap1510_udc_epn_tx (epnum);
+
+ /* deselect the endpoint FIFO */
+ outw (UDC_EP_Dir | epnum, UDC_EP_NUM);
+ }
+ valid_irq++;
+ }
+ if (!valid_irq)
+ serial_printf (": unknown non-ISO interrupt, IRQ_SRC %.4x\n",
+ irq_src);
+}
+
+/*
+-------------------------------------------------------------------------------
+*/
+
+
+/*
+ * Start of public functions.
+ */
+
+/* Called to start packet transmission. */
+void udc_endpoint_write (struct usb_endpoint_instance *endpoint)
+{
+ unsigned short epnum =
+ endpoint->endpoint_address & USB_ENDPOINT_NUMBER_MASK;
+
+ UDCDBGA ("Starting transmit on ep %x", epnum);
+
+ if (endpoint->tx_urb) {
+ /* select the endpoint FIFO */
+ outw (UDC_EP_Sel | UDC_EP_Dir | epnum, UDC_EP_NUM);
+ /* write data to FIFO */
+ omap1510_write_noniso_tx_fifo (endpoint);
+ /* enable tx FIFO to start transmission */
+ outw (UDC_Set_FIFO_En, UDC_CTRL);
+ /* deselect the endpoint FIFO */
+ outw (UDC_EP_Dir | epnum, UDC_EP_NUM);
+ }
+}
+
+/* Start to initialize h/w stuff */
+int udc_init (void)
+{
+ u16 udc_rev;
+ uchar wert;
+
+ udc_device = NULL;
+
+ UDCDBG ("starting");
+
+ /* Check peripheral reset. Must be 1 to make sure
+ MPU TIPB peripheral reset is inactive */
+ UDCREG (ARM_RSTCT2);
+
+ /* Set and check clock control.
+ * We might ought to be using the clock control API to do
+ * this instead of fiddling with the clock registers directly
+ * here.
+ */
+ outw ((1 << 4) | (1 << 5), CLOCK_CTRL);
+ UDCREG (CLOCK_CTRL);
+ /* Set and check APLL */
+ outw (0x0008, APLL_CTRL);
+ UDCREG (APLL_CTRL);
+ /* Set and check DPLL */
+ outw (0x2210, DPLL_CTRL);
+ UDCREG (DPLL_CTRL);
+ /* Set and check SOFT */
+ outw ((1 << 4) | (1 << 3) | 1, SOFT_REQ);
+ /* Short delay to wait for DPLL */
+ udelay (1000);
+
+ /* Print banner with device revision */
+ udc_rev = inw (UDC_REV) & 0xff;
+ printf ("USB: TI OMAP1510 USB function module rev %d.%d\n",
+ udc_rev >> 4, udc_rev & 0xf);
+
+ /* Configure some Sofia Unit registers
+ */
+ i2c_read (0x32, 0x04, 1, &wert, 1); /* SOF_Control_CONT */
+ wert |= 0x04; /* SOF_ContCONT_dis_usb_det */
+ i2c_write (0x32, 0x04, 1, &wert, 1);
+
+ i2c_read (0x32, 0x03, 1, &wert, 1); /* SOF_Control */
+ wert |= 0x01; /* SOF_Cont_usb_en */
+ i2c_write (0x32, 0x03, 1, &wert, 1);
+
+ /* The VBUS_MODE bit selects whether VBUS detection is done via
+ * software (1) or hardware (0). When software detection is
+ * selected, VBUS_CTRL selects whether USB is not connected (0)
+ * or connected (1).
+ */
+ outl (inl (FUNC_MUX_CTRL_0) | UDC_VBUS_MODE, FUNC_MUX_CTRL_0);
+ outl (inl (FUNC_MUX_CTRL_0) & ~UDC_VBUS_CTRL, FUNC_MUX_CTRL_0);
+ UDCREGL (FUNC_MUX_CTRL_0);
+
+ /*
+ * At this point, device is ready for configuration...
+ */
+
+ UDCDBG ("disable USB interrupts");
+ outw (0, UDC_IRQ_EN);
+ UDCREG (UDC_IRQ_EN);
+
+ UDCDBG ("disable USB DMA");
+ outw (0, UDC_DMA_IRQ_EN);
+ UDCREG (UDC_DMA_IRQ_EN);
+
+ UDCDBG ("initialize SYSCON1");
+ outw (UDC_Self_Pwr | UDC_Pullup_En, UDC_SYSCON1);
+ UDCREG (UDC_SYSCON1);
+
+ return 0;
+}
+
+/* Stall endpoint */
+static void udc_stall_ep (unsigned int ep_addr)
+{
+ /*int ep_addr = PHYS_EP_TO_EP_ADDR(ep); */
+ int ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK;
+
+ UDCDBGA ("stall ep_addr %d", ep_addr);
+
+ /* REVISIT?
+ * The OMAP TRM section 14.2.4.2 says we must check that the FIFO
+ * is empty before halting the endpoint. The current implementation
+ * doesn't check that the FIFO is empty.
+ */
+
+ if (!ep_num) {
+ outw (UDC_Stall_Cmd, UDC_SYSCON2);
+ } else if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) {
+ if (inw (UDC_EP_RX (ep_num)) & UDC_EPn_RX_Valid) {
+ /* we have a valid rx endpoint, so halt it */
+ outw (UDC_EP_Sel | ep_num, UDC_EP_NUM);
+ outw (UDC_Set_Halt, UDC_CTRL);
+ outw (ep_num, UDC_EP_NUM);
+ }
+ } else {
+ if (inw (UDC_EP_TX (ep_num)) & UDC_EPn_TX_Valid) {
+ /* we have a valid tx endpoint, so halt it */
+ outw (UDC_EP_Sel | UDC_EP_Dir | ep_num, UDC_EP_NUM);
+ outw (UDC_Set_Halt, UDC_CTRL);
+ outw (ep_num, UDC_EP_NUM);
+ }
+ }
+}
+
+/* Reset endpoint */
+#if 0
+static void udc_reset_ep (unsigned int ep_addr)
+{
+ /*int ep_addr = PHYS_EP_TO_EP_ADDR(ep); */
+ int ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK;
+
+ UDCDBGA ("reset ep_addr %d", ep_addr);
+
+ if (!ep_num) {
+ /* control endpoint 0 can't be reset */
+ } else if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) {
+ UDCDBGA ("UDC_EP_RX(%d) = 0x%04x", ep_num,
+ inw (UDC_EP_RX (ep_num)));
+ if (inw (UDC_EP_RX (ep_num)) & UDC_EPn_RX_Valid) {
+ /* we have a valid rx endpoint, so reset it */
+ outw (ep_num | UDC_EP_Sel, UDC_EP_NUM);
+ outw (UDC_Reset_EP, UDC_CTRL);
+ outw (ep_num, UDC_EP_NUM);
+ UDCDBGA ("OUT endpoint %d reset", ep_num);
+ }
+ } else {
+ UDCDBGA ("UDC_EP_TX(%d) = 0x%04x", ep_num,
+ inw (UDC_EP_TX (ep_num)));
+ /* Resetting of tx endpoints seems to be causing the USB function
+ * module to fail, which causes problems when the driver is
+ * uninstalled. We'll skip resetting tx endpoints for now until
+ * we figure out what the problem is.
+ */
+#if 0
+ if (inw (UDC_EP_TX (ep_num)) & UDC_EPn_TX_Valid) {
+ /* we have a valid tx endpoint, so reset it */
+ outw (ep_num | UDC_EP_Dir | UDC_EP_Sel, UDC_EP_NUM);
+ outw (UDC_Reset_EP, UDC_CTRL);
+ outw (ep_num | UDC_EP_Dir, UDC_EP_NUM);
+ UDCDBGA ("IN endpoint %d reset", ep_num);
+ }
+#endif
+ }
+}
+#endif
+
+/* ************************************************************************** */
+
+/**
+ * udc_check_ep - check logical endpoint
+ *
+ * Return physical endpoint number to use for this logical endpoint or zero if not valid.
+ */
+#if 0
+int udc_check_ep (int logical_endpoint, int packetsize)
+{
+ if ((logical_endpoint == 0x80) ||
+ ((logical_endpoint & 0x8f) != logical_endpoint)) {
+ return 0;
+ }
+
+ switch (packetsize) {
+ case 8:
+ case 16:
+ case 32:
+ case 64:
+ case 128:
+ case 256:
+ case 512:
+ break;
+ default:
+ return 0;
+ }
+
+ return EP_ADDR_TO_PHYS_EP (logical_endpoint);
+}
+#endif
+
+/*
+ * udc_setup_ep - setup endpoint
+ *
+ * Associate a physical endpoint with endpoint_instance
+ */
+void udc_setup_ep (struct usb_device_instance *device,
+ unsigned int ep, struct usb_endpoint_instance *endpoint)
+{
+ UDCDBGA ("setting up endpoint addr %x", endpoint->endpoint_address);
+
+ /* This routine gets called by bi_modinit for endpoint 0 and from
+ * bi_config for all of the other endpoints. bi_config gets called
+ * during the DEVICE_CREATE, DEVICE_CONFIGURED, and
+ * DEVICE_SET_INTERFACE events. We need to reconfigure the OMAP packet
+ * RAM after bi_config scans the selected device configuration and
+ * initializes the endpoint structures, but before this routine enables
+ * the OUT endpoint FIFOs. Since bi_config calls this routine in a
+ * loop for endpoints 1 through UDC_MAX_ENDPOINTS, we reconfigure our
+ * packet RAM here when ep==1.
+ * I really hate to do this here, but it seems like the API exported
+ * by the USB bus interface controller driver to the usbd-bi module
+ * isn't quite right so there is no good place to do this.
+ */
+ if (ep == 1) {
+ omap1510_deconfigure_device ();
+ omap1510_configure_device (device);
+ }
+
+ if (endpoint && (ep < UDC_MAX_ENDPOINTS)) {
+ int ep_addr = endpoint->endpoint_address;
+
+ if (!ep_addr) {
+ /* nothing to do for endpoint 0 */
+ } else if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
+ /* nothing to do for IN (tx) endpoints */
+ } else { /* OUT (rx) endpoint */
+ if (endpoint->rcv_packetSize) {
+ /*struct urb* urb = &(urb_out_array[ep&0xFF]); */
+ /*urb->endpoint = endpoint; */
+ /*urb->device = device; */
+ /*urb->buffer_length = sizeof(urb->buffer); */
+
+ /*endpoint->rcv_urb = urb; */
+ omap1510_prepare_endpoint_for_rx (ep_addr);
+ }
+ }
+ }
+}
+
+/**
+ * udc_disable_ep - disable endpoint
+ * @ep:
+ *
+ * Disable specified endpoint
+ */
+#if 0
+void udc_disable_ep (unsigned int ep_addr)
+{
+ /*int ep_addr = PHYS_EP_TO_EP_ADDR(ep); */
+ int ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK;
+ struct usb_endpoint_instance *endpoint = omap1510_find_ep (ep_addr); /*udc_device->bus->endpoint_array + ep; */
+
+ UDCDBGA ("disable ep_addr %d", ep_addr);
+
+ if (!ep_num) {
+ /* nothing to do for endpoint 0 */ ;
+ } else if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
+ if (endpoint->tx_packetSize) {
+ /* we have a valid tx endpoint */
+ /*usbd_flush_tx(endpoint); */
+ endpoint->tx_urb = NULL;
+ }
+ } else {
+ if (endpoint->rcv_packetSize) {
+ /* we have a valid rx endpoint */
+ /*usbd_flush_rcv(endpoint); */
+ endpoint->rcv_urb = NULL;
+ }
+ }
+}
+#endif
+
+/* ************************************************************************** */
+
+/**
+ * udc_connected - is the USB cable connected
+ *
+ * Return non-zero if cable is connected.
+ */
+#if 0
+int udc_connected (void)
+{
+ return ((inw (UDC_DEVSTAT) & UDC_ATT) == UDC_ATT);
+}
+#endif
+
+/* Turn on the USB connection by enabling the pullup resistor */
+void udc_connect (void)
+{
+ UDCDBG ("connect, enable Pullup");
+ outl (0x00000018, FUNC_MUX_CTRL_D);
+}
+
+/* Turn off the USB connection by disabling the pullup resistor */
+void udc_disconnect (void)
+{
+ UDCDBG ("disconnect, disable Pullup");
+ outl (0x00000000, FUNC_MUX_CTRL_D);
+}
+
+/* ************************************************************************** */
+
+
+/*
+ * udc_disable_interrupts - disable interrupts
+ * switch off interrupts
+ */
+#if 0
+void udc_disable_interrupts (struct usb_device_instance *device)
+{
+ UDCDBG ("disabling all interrupts");
+ outw (0, UDC_IRQ_EN);
+}
+#endif
+
+/* ************************************************************************** */
+
+/**
+ * udc_ep0_packetsize - return ep0 packetsize
+ */
+#if 0
+int udc_ep0_packetsize (void)
+{
+ return EP0_PACKETSIZE;
+}
+#endif
+
+/* Switch on the UDC */
+void udc_enable (struct usb_device_instance *device)
+{
+ UDCDBGA ("enable device %p, status %d", device, device->status);
+
+ /* initialize driver state variables */
+ udc_devstat = 0;
+
+ /* Save the device structure pointer */
+ udc_device = device;
+
+ /* Setup ep0 urb */
+ if (!ep0_urb) {
+ ep0_urb =
+ usbd_alloc_urb (udc_device,
+ udc_device->bus->endpoint_array);
+ } else {
+ serial_printf ("udc_enable: ep0_urb already allocated %p\n",
+ ep0_urb);
+ }
+
+ UDCDBG ("Check clock status");
+ UDCREG (STATUS_REQ);
+
+ /* The VBUS_MODE bit selects whether VBUS detection is done via
+ * software (1) or hardware (0). When software detection is
+ * selected, VBUS_CTRL selects whether USB is not connected (0)
+ * or connected (1).
+ */
+ outl (inl (FUNC_MUX_CTRL_0) | UDC_VBUS_CTRL | UDC_VBUS_MODE,
+ FUNC_MUX_CTRL_0);
+ UDCREGL (FUNC_MUX_CTRL_0);
+
+ omap1510_configure_device (device);
+}
+
+/* Switch off the UDC */
+void udc_disable (void)
+{
+ UDCDBG ("disable UDC");
+
+ omap1510_deconfigure_device ();
+
+ /* The VBUS_MODE bit selects whether VBUS detection is done via
+ * software (1) or hardware (0). When software detection is
+ * selected, VBUS_CTRL selects whether USB is not connected (0)
+ * or connected (1).
+ */
+ outl (inl (FUNC_MUX_CTRL_0) | UDC_VBUS_MODE, FUNC_MUX_CTRL_0);
+ outl (inl (FUNC_MUX_CTRL_0) & ~UDC_VBUS_CTRL, FUNC_MUX_CTRL_0);
+ UDCREGL (FUNC_MUX_CTRL_0);
+
+ /* Free ep0 URB */
+ if (ep0_urb) {
+ /*usbd_dealloc_urb(ep0_urb); */
+ ep0_urb = NULL;
+ }
+
+ /* Reset device pointer.
+ * We ought to do this here to balance the initialization of udc_device
+ * in udc_enable, but some of our other exported functions get called
+ * by the bus interface driver after udc_disable, so we have to hang on
+ * to the device pointer to avoid a null pointer dereference. */
+ /* udc_device = NULL; */
+}
+
+/**
+ * udc_startup - allow udc code to do any additional startup
+ */
+void udc_startup_events (struct usb_device_instance *device)
+{
+ /* The DEVICE_INIT event puts the USB device in the state STATE_INIT. */
+ usbd_device_event_irq (device, DEVICE_INIT, 0);
+
+ /* The DEVICE_CREATE event puts the USB device in the state
+ * STATE_ATTACHED.
+ */
+ usbd_device_event_irq (device, DEVICE_CREATE, 0);
+
+ /* Some USB controller driver implementations signal
+ * DEVICE_HUB_CONFIGURED and DEVICE_RESET events here.
+ * DEVICE_HUB_CONFIGURED causes a transition to the state STATE_POWERED,
+ * and DEVICE_RESET causes a transition to the state STATE_DEFAULT.
+ * The OMAP USB client controller has the capability to detect when the
+ * USB cable is connected to a powered USB bus via the ATT bit in the
+ * DEVSTAT register, so we will defer the DEVICE_HUB_CONFIGURED and
+ * DEVICE_RESET events until later.
+ */
+
+ udc_enable (device);
+}
+
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Gerry Hamel, geh@ti.com, Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_USB_TTY
+
+#include <circbuf.h>
+#include <devices.h>
+#include "usbtty.h"
+
+#if 0
+#define TTYDBG(fmt,args...) serial_printf("[%s] %s %d: "fmt, __FILE__,__FUNCTION__,__LINE__,##args)
+#else
+#define TTYDBG(fmt,args...) do{}while(0)
+#endif
+
+#if 0
+#define TTYERR(fmt,args...) serial_printf("ERROR![%s] %s %d: "fmt, __FILE__,__FUNCTION__,__LINE__,##args)
+#else
+#define TTYERR(fmt,args...) do{}while(0)
+#endif
+
+/*
+ * Buffers to hold input and output data
+ */
+#define USBTTY_BUFFER_SIZE 256
+static circbuf_t usbtty_input;
+static circbuf_t usbtty_output;
+
+
+/*
+ * Instance variables
+ */
+static device_t usbttydev;
+static struct usb_device_instance device_instance[1];
+static struct usb_bus_instance bus_instance[1];
+static struct usb_configuration_instance config_instance[NUM_CONFIGS];
+static struct usb_interface_instance interface_instance[NUM_INTERFACES];
+static struct usb_alternate_instance alternate_instance[NUM_INTERFACES];
+static struct usb_endpoint_instance endpoint_instance[NUM_ENDPOINTS+1]; /* one extra for control endpoint */
+
+/*
+ * Static allocation of urbs
+ */
+#define RECV_ENDPOINT 1
+#define TX_ENDPOINT 2
+
+/*
+ * Global flag
+ */
+int usbtty_configured_flag = 0;
+
+
+/*
+ * Descriptors
+ */
+static u8 wstrLang[4] = {4,USB_DT_STRING,0x9,0x4};
+static u8 wstrManufacturer[2 + 2*(sizeof(CONFIG_USBD_MANUFACTURER)-1)];
+static u8 wstrProduct[2 + 2*(sizeof(CONFIG_USBD_PRODUCT_NAME)-1)];
+static u8 wstrSerial[2 + 2*(sizeof(CONFIG_USBD_SERIAL_NUMBER)-1)];
+static u8 wstrConfiguration[2 + 2*(sizeof(CONFIG_USBD_CONFIGURATION_STR)-1)];
+static u8 wstrInterface[2 + 2*(sizeof(CONFIG_USBD_INTERFACE_STR)-1)];
+
+static struct usb_string_descriptor *usbtty_string_table[] = {
+ (struct usb_string_descriptor*)wstrLang,
+ (struct usb_string_descriptor*)wstrManufacturer,
+ (struct usb_string_descriptor*)wstrProduct,
+ (struct usb_string_descriptor*)wstrSerial,
+ (struct usb_string_descriptor*)wstrConfiguration,
+ (struct usb_string_descriptor*)wstrInterface
+};
+extern struct usb_string_descriptor **usb_strings; /* defined and used by omap1510_ep0.c */
+
+static struct usb_device_descriptor device_descriptor = {
+ bLength: sizeof(struct usb_device_descriptor),
+ bDescriptorType: USB_DT_DEVICE,
+ bcdUSB: USB_BCD_VERSION,
+ bDeviceClass: USBTTY_DEVICE_CLASS,
+ bDeviceSubClass: USBTTY_DEVICE_SUBCLASS,
+ bDeviceProtocol: USBTTY_DEVICE_PROTOCOL,
+ bMaxPacketSize0: EP0_MAX_PACKET_SIZE,
+ idVendor: CONFIG_USBD_VENDORID,
+ idProduct: CONFIG_USBD_PRODUCTID,
+ bcdDevice: USBTTY_BCD_DEVICE,
+ iManufacturer: STR_MANUFACTURER,
+ iProduct: STR_PRODUCT,
+ iSerialNumber: STR_SERIAL,
+ bNumConfigurations: NUM_CONFIGS
+ };
+static struct usb_configuration_descriptor config_descriptors[NUM_CONFIGS] = {
+ {
+ bLength: sizeof(struct usb_configuration_descriptor),
+ bDescriptorType: USB_DT_CONFIG,
+ wTotalLength: (sizeof(struct usb_configuration_descriptor)*NUM_CONFIGS) +
+ (sizeof(struct usb_interface_descriptor)*NUM_INTERFACES) +
+ (sizeof(struct usb_endpoint_descriptor)*NUM_ENDPOINTS),
+ bNumInterfaces: NUM_INTERFACES,
+ bConfigurationValue: 1,
+ iConfiguration: STR_CONFIG,
+ bmAttributes: BMATTRIBUTE_SELF_POWERED | BMATTRIBUTE_RESERVED,
+ bMaxPower: USBTTY_MAXPOWER
+ },
+};
+static struct usb_interface_descriptor interface_descriptors[NUM_INTERFACES] = {
+ {
+ bLength: sizeof(struct usb_interface_descriptor),
+ bDescriptorType: USB_DT_INTERFACE,
+ bInterfaceNumber: 0,
+ bAlternateSetting: 0,
+ bNumEndpoints: NUM_ENDPOINTS,
+ bInterfaceClass: USBTTY_INTERFACE_CLASS,
+ bInterfaceSubClass: USBTTY_INTERFACE_SUBCLASS,
+ bInterfaceProtocol: USBTTY_INTERFACE_PROTOCOL,
+ iInterface: STR_INTERFACE
+ },
+};
+static struct usb_endpoint_descriptor ep_descriptors[NUM_ENDPOINTS] = {
+ {
+ bLength: sizeof(struct usb_endpoint_descriptor),
+ bDescriptorType: USB_DT_ENDPOINT,
+ bEndpointAddress: CONFIG_USBD_SERIAL_OUT_ENDPOINT | USB_DIR_OUT,
+ bmAttributes: USB_ENDPOINT_XFER_BULK,
+ wMaxPacketSize: CONFIG_USBD_SERIAL_OUT_PKTSIZE,
+ bInterval: 0
+ },
+ {
+ bLength: sizeof(struct usb_endpoint_descriptor),
+ bDescriptorType: USB_DT_ENDPOINT,
+ bEndpointAddress: CONFIG_USBD_SERIAL_IN_ENDPOINT | USB_DIR_IN,
+ bmAttributes: USB_ENDPOINT_XFER_BULK,
+ wMaxPacketSize: CONFIG_USBD_SERIAL_IN_PKTSIZE,
+ bInterval: 0
+ },
+ {
+ bLength: sizeof(struct usb_endpoint_descriptor),
+ bDescriptorType: USB_DT_ENDPOINT,
+ bEndpointAddress: CONFIG_USBD_SERIAL_INT_ENDPOINT | USB_DIR_IN,
+ bmAttributes: USB_ENDPOINT_XFER_INT,
+ wMaxPacketSize: CONFIG_USBD_SERIAL_INT_PKTSIZE,
+ bInterval: 0
+ },
+};
+static struct usb_endpoint_descriptor *ep_descriptor_ptrs[NUM_ENDPOINTS] = {
+ &(ep_descriptors[0]),
+ &(ep_descriptors[1]),
+ &(ep_descriptors[2]),
+};
+
+/* utility function for converting char* to wide string used by USB */
+static void str2wide (char *str, u16 * wide)
+{
+ int i;
+
+ for (i = 0; i < strlen (str) && str[i]; i++)
+ wide[i] = (u16) str[i];
+}
+
+/*
+ * Prototypes
+ */
+static void usbtty_init_strings (void);
+static void usbtty_init_instances (void);
+static void usbtty_init_endpoints (void);
+
+static void usbtty_event_handler (struct usb_device_instance *device,
+ usb_device_event_t event, int data);
+static int usbtty_configured (void);
+
+static int write_buffer (circbuf_t * buf);
+static int fill_buffer (circbuf_t * buf);
+
+void usbtty_poll (void);
+static void pretend_interrupts (void);
+
+
+/*
+ * Test whether a character is in the RX buffer
+ */
+int usbtty_tstc (void)
+{
+ usbtty_poll ();
+ return (usbtty_input.size > 0);
+}
+
+/*
+ * Read a single byte from the usb client port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int usbtty_getc (void)
+{
+ char c;
+
+ while (usbtty_input.size <= 0) {
+ usbtty_poll ();
+ }
+
+ buf_pop (&usbtty_input, &c, 1);
+ return c;
+}
+
+/*
+ * Output a single byte to the usb client port.
+ */
+void usbtty_putc (const char c)
+{
+ buf_push (&usbtty_output, &c, 1);
+ /* If \n, also do \r */
+ if (c == '\n')
+ buf_push (&usbtty_output, "\r", 1);
+
+ /* Poll at end to handle new data... */
+ if ((usbtty_output.size + 2) >= usbtty_output.totalsize) {
+ usbtty_poll ();
+ }
+}
+
+
+/* usbtty_puts() helper function for finding the next '\n' in a string */
+static int next_nl_pos (const char *s)
+{
+ int i;
+
+ for (i = 0; s[i] != '\0'; i++) {
+ if (s[i] == '\n')
+ return i;
+ }
+ return i;
+}
+
+/*
+ * Output a string to the usb client port.
+ */
+static void __usbtty_puts (const char *str, int len)
+{
+ int maxlen = usbtty_output.totalsize;
+ int space, n;
+
+ /* break str into chunks < buffer size, if needed */
+ while (len > 0) {
+ space = maxlen - usbtty_output.size;
+
+ /* Empty buffer here, if needed, to ensure space... */
+ if (space <= 0) {
+ write_buffer (&usbtty_output);
+ space = maxlen - usbtty_output.size;
+ if (space <= 0) {
+ space = len; /* allow old data to be overwritten. */
+ }
+ }
+
+ n = MIN (space, MIN (len, maxlen));
+ buf_push (&usbtty_output, str, n);
+
+ str += n;
+ len -= n;
+ }
+}
+
+void usbtty_puts (const char *str)
+{
+ int n;
+ int len = strlen (str);
+
+ /* add '\r' for each '\n' */
+ while (len > 0) {
+ n = next_nl_pos (str);
+
+ if (str[n] == '\n') {
+ __usbtty_puts (str, n + 1);
+ __usbtty_puts ("\r", 1);
+ str += (n + 1);
+ len -= (n + 1);
+ } else {
+ /* No \n found. All done. */
+ __usbtty_puts (str, n);
+ break;
+ }
+ }
+
+ /* Poll at end to handle new data... */
+ usbtty_poll ();
+}
+
+/*
+ * Initialize the usb client port.
+ *
+ */
+int drv_usbtty_init (void)
+{
+ int rc;
+
+
+ /* prepare buffers... */
+ buf_init (&usbtty_input, USBTTY_BUFFER_SIZE);
+ buf_init (&usbtty_output, USBTTY_BUFFER_SIZE);
+
+ /* Now, set up USB controller and infrastructure */
+ udc_init (); /* Basic USB initialization */
+
+ usbtty_init_strings ();
+ usbtty_init_instances ();
+
+ udc_startup_events (device_instance); /* Enable our device, initialize udc pointers */
+ udc_connect (); /* Enable pullup for host detection */
+
+ usbtty_init_endpoints ();
+
+ /* Device initialization */
+ memset (&usbttydev, 0, sizeof (usbttydev));
+
+ strcpy (usbttydev.name, "usbtty");
+ usbttydev.ext = 0; /* No extensions */
+ usbttydev.flags = DEV_FLAGS_INPUT | DEV_FLAGS_OUTPUT;
+ usbttydev.tstc = usbtty_tstc; /* 'tstc' function */
+ usbttydev.getc = usbtty_getc; /* 'getc' function */
+ usbttydev.putc = usbtty_putc; /* 'putc' function */
+ usbttydev.puts = usbtty_puts; /* 'puts' function */
+
+ rc = device_register (&usbttydev);
+
+ return (rc == 0) ? 1 : rc;
+}
+
+static void usbtty_init_strings (void)
+{
+ struct usb_string_descriptor *string;
+
+ string = (struct usb_string_descriptor *) wstrManufacturer;
+ string->bLength = sizeof (wstrManufacturer);
+ string->bDescriptorType = USB_DT_STRING;
+ str2wide (CONFIG_USBD_MANUFACTURER, string->wData);
+
+ string = (struct usb_string_descriptor *) wstrProduct;
+ string->bLength = sizeof (wstrProduct);
+ string->bDescriptorType = USB_DT_STRING;
+ str2wide (CONFIG_USBD_PRODUCT_NAME, string->wData);
+
+ string = (struct usb_string_descriptor *) wstrSerial;
+ string->bLength = sizeof (wstrSerial);
+ string->bDescriptorType = USB_DT_STRING;
+ str2wide (CONFIG_USBD_SERIAL_NUMBER, string->wData);
+
+ string = (struct usb_string_descriptor *) wstrConfiguration;
+ string->bLength = sizeof (wstrConfiguration);
+ string->bDescriptorType = USB_DT_STRING;
+ str2wide (CONFIG_USBD_CONFIGURATION_STR, string->wData);
+
+ string = (struct usb_string_descriptor *) wstrInterface;
+ string->bLength = sizeof (wstrInterface);
+ string->bDescriptorType = USB_DT_STRING;
+ str2wide (CONFIG_USBD_INTERFACE_STR, string->wData);
+
+ /* Now, initialize the string table for ep0 handling */
+ usb_strings = usbtty_string_table;
+}
+
+static void usbtty_init_instances (void)
+{
+ int i;
+
+ /* initialize device instance */
+ memset (device_instance, 0, sizeof (struct usb_device_instance));
+ device_instance->device_state = STATE_INIT;
+ device_instance->device_descriptor = &device_descriptor;
+ device_instance->event = usbtty_event_handler;
+ device_instance->bus = bus_instance;
+ device_instance->configurations = NUM_CONFIGS;
+ device_instance->configuration_instance_array = config_instance;
+
+ /* initialize bus instance */
+ memset (bus_instance, 0, sizeof (struct usb_bus_instance));
+ bus_instance->device = device_instance;
+ bus_instance->endpoint_array = endpoint_instance;
+ bus_instance->max_endpoints = 1;
+ bus_instance->maxpacketsize = 64;
+ bus_instance->serial_number_str = CONFIG_USBD_SERIAL_NUMBER;
+
+ /* configuration instance */
+ memset (config_instance, 0,
+ sizeof (struct usb_configuration_instance));
+ config_instance->interfaces = NUM_INTERFACES;
+ config_instance->configuration_descriptor = config_descriptors;
+ config_instance->interface_instance_array = interface_instance;
+
+ /* interface instance */
+ memset (interface_instance, 0,
+ sizeof (struct usb_interface_instance));
+ interface_instance->alternates = 1;
+ interface_instance->alternates_instance_array = alternate_instance;
+
+ /* alternates instance */
+ memset (alternate_instance, 0,
+ sizeof (struct usb_alternate_instance));
+ alternate_instance->interface_descriptor = interface_descriptors;
+ alternate_instance->endpoints = NUM_ENDPOINTS;
+ alternate_instance->endpoints_descriptor_array = ep_descriptor_ptrs;
+
+ /* endpoint instances */
+ memset (&endpoint_instance[0], 0,
+ sizeof (struct usb_endpoint_instance));
+ endpoint_instance[0].endpoint_address = 0;
+ endpoint_instance[0].rcv_packetSize = EP0_MAX_PACKET_SIZE;
+ endpoint_instance[0].rcv_attributes = USB_ENDPOINT_XFER_CONTROL;
+ endpoint_instance[0].tx_packetSize = EP0_MAX_PACKET_SIZE;
+ endpoint_instance[0].tx_attributes = USB_ENDPOINT_XFER_CONTROL;
+ udc_setup_ep (device_instance, 0, &endpoint_instance[0]);
+
+ for (i = 1; i <= NUM_ENDPOINTS; i++) {
+ memset (&endpoint_instance[i], 0,
+ sizeof (struct usb_endpoint_instance));
+
+ endpoint_instance[i].endpoint_address =
+ ep_descriptors[i - 1].bEndpointAddress;
+
+ endpoint_instance[i].rcv_packetSize =
+ ep_descriptors[i - 1].wMaxPacketSize;
+ endpoint_instance[i].rcv_attributes =
+ ep_descriptors[i - 1].bmAttributes;
+
+ endpoint_instance[i].tx_packetSize =
+ ep_descriptors[i - 1].wMaxPacketSize;
+ endpoint_instance[i].tx_attributes =
+ ep_descriptors[i - 1].bmAttributes;
+
+ urb_link_init (&endpoint_instance[i].rcv);
+ urb_link_init (&endpoint_instance[i].rdy);
+ urb_link_init (&endpoint_instance[i].tx);
+ urb_link_init (&endpoint_instance[i].done);
+
+ if (endpoint_instance[i].endpoint_address & USB_DIR_IN)
+ endpoint_instance[i].tx_urb =
+ usbd_alloc_urb (device_instance,
+ &endpoint_instance[i]);
+ else
+ endpoint_instance[i].rcv_urb =
+ usbd_alloc_urb (device_instance,
+ &endpoint_instance[i]);
+ }
+}
+
+static void usbtty_init_endpoints (void)
+{
+ int i;
+
+ bus_instance->max_endpoints = NUM_ENDPOINTS + 1;
+ for (i = 0; i <= NUM_ENDPOINTS; i++) {
+ udc_setup_ep (device_instance, i, &endpoint_instance[i]);
+ }
+}
+
+
+/*********************************************************************************/
+
+static struct urb *next_urb (struct usb_device_instance *device,
+ struct usb_endpoint_instance *endpoint)
+{
+ struct urb *current_urb = NULL;
+ int space;
+
+ /* If there's a queue, then we should add to the last urb */
+ if (!endpoint->tx_queue) {
+ current_urb = endpoint->tx_urb;
+ } else {
+ /* Last urb from tx chain */
+ current_urb =
+ p2surround (struct urb, link, endpoint->tx.prev);
+ }
+
+ /* Make sure this one has enough room */
+ space = current_urb->buffer_length - current_urb->actual_length;
+ if (space > 0) {
+ return current_urb;
+ } else { /* No space here */
+ /* First look at done list */
+ current_urb = first_urb_detached (&endpoint->done);
+ if (!current_urb) {
+ current_urb = usbd_alloc_urb (device, endpoint);
+ }
+
+ urb_append (&endpoint->tx, current_urb);
+ endpoint->tx_queue++;
+ }
+ return current_urb;
+}
+
+static int write_buffer (circbuf_t * buf)
+{
+ if (!usbtty_configured ()) {
+ return 0;
+ }
+
+ if (buf->size) {
+
+ struct usb_endpoint_instance *endpoint =
+ &endpoint_instance[TX_ENDPOINT];
+ struct urb *current_urb = NULL;
+ char *dest;
+
+ int space_avail;
+ int popnum, popped;
+ int total = 0;
+
+ /* Break buffer into urb sized pieces, and link each to the endpoint */
+ while (buf->size > 0) {
+ current_urb = next_urb (device_instance, endpoint);
+ if (!current_urb) {
+ TTYERR ("current_urb is NULL, buf->size %d\n",
+ buf->size);
+ return total;
+ }
+
+ dest = current_urb->buffer +
+ current_urb->actual_length;
+
+ space_avail =
+ current_urb->buffer_length -
+ current_urb->actual_length;
+ popnum = MIN (space_avail, buf->size);
+ if (popnum == 0)
+ break;
+
+ popped = buf_pop (buf, dest, popnum);
+ if (popped == 0)
+ break;
+ current_urb->actual_length += popped;
+ total += popped;
+
+ /* If endpoint->last == 0, then transfers have not started on this endpoint */
+ if (endpoint->last == 0) {
+ udc_endpoint_write (endpoint);
+ }
+
+ } /* end while */
+ return total;
+ } /* end if tx_urb */
+
+ return 0;
+}
+
+static int fill_buffer (circbuf_t * buf)
+{
+ struct usb_endpoint_instance *endpoint =
+ &endpoint_instance[RECV_ENDPOINT];
+
+ if (endpoint->rcv_urb && endpoint->rcv_urb->actual_length) {
+ unsigned int nb = endpoint->rcv_urb->actual_length;
+ char *src = (char *) endpoint->rcv_urb->buffer;
+
+ buf_push (buf, src, nb);
+ endpoint->rcv_urb->actual_length = 0;
+
+ return nb;
+ }
+
+ return 0;
+}
+
+static int usbtty_configured (void)
+{
+ return usbtty_configured_flag;
+}
+
+/*********************************************************************************/
+
+static void usbtty_event_handler (struct usb_device_instance *device,
+ usb_device_event_t event, int data)
+{
+ switch (event) {
+ case DEVICE_RESET:
+ case DEVICE_BUS_INACTIVE:
+ usbtty_configured_flag = 0;
+ break;
+ case DEVICE_CONFIGURED:
+ usbtty_configured_flag = 1;
+ break;
+
+ case DEVICE_ADDRESS_ASSIGNED:
+ usbtty_init_endpoints ();
+
+ default:
+ break;
+ }
+}
+
+/*********************************************************************************/
+
+
+/*
+ * Since interrupt handling has not yet been implemented, we use this function
+ * to handle polling. This is called by the tstc,getc,putc,puts routines to
+ * update the USB state.
+ */
+void usbtty_poll (void)
+{
+ /* New interrupts? */
+ pretend_interrupts ();
+
+ /* Write any output data to host buffer (do this before checking interrupts to avoid missing one) */
+ if (usbtty_configured ()) {
+ write_buffer (&usbtty_output);
+ }
+
+ /* New interrupts? */
+ pretend_interrupts ();
+
+ /* Check for new data from host.. (do this after checking interrupts to get latest data) */
+ if (usbtty_configured ()) {
+ fill_buffer (&usbtty_input);
+ }
+
+ /* New interrupts? */
+ pretend_interrupts ();
+}
+
+static void pretend_interrupts (void)
+{
+ /* Loop while we have interrupts.
+ * If we don't do this, the input chain
+ * polling delay is likely to miss
+ * host requests.
+ */
+ while (inw (UDC_IRQ_SRC) & ~UDC_SOF_Flg) {
+ /* Handle any new IRQs */
+ omap1510_udc_irq ();
+ omap1510_udc_noniso_irq ();
+ }
+}
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Gerry Hamel, geh@ti.com, Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __USB_TTY_H__
+#define __USB_TTY_H__
+
+
+#include "usbdcore.h"
+#include "usbdcore_omap1510.h"
+
+
+#define NUM_CONFIGS 1
+#define NUM_INTERFACES 1
+#define NUM_ENDPOINTS 3
+
+#define EP0_MAX_PACKET_SIZE 64
+
+#define CONFIG_USBD_CONFIGURATION_STR "TTY via USB"
+#define CONFIG_USBD_INTERFACE_STR "Simple Serial Data Interface - Bulk Mode"
+
+
+#define CONFIG_USBD_SERIAL_OUT_ENDPOINT 2
+#define CONFIG_USBD_SERIAL_OUT_PKTSIZE 64
+#define CONFIG_USBD_SERIAL_IN_ENDPOINT 1
+#define CONFIG_USBD_SERIAL_IN_PKTSIZE 64
+#define CONFIG_USBD_SERIAL_INT_ENDPOINT 5
+#define CONFIG_USBD_SERIAL_INT_PKTSIZE 16
+
+
+#define USBTTY_DEVICE_CLASS COMMUNICATIONS_DEVICE_CLASS
+#define USBTTY_DEVICE_SUBCLASS COMMUNICATIONS_NO_SUBCLASS
+#define USBTTY_DEVICE_PROTOCOL COMMUNICATIONS_NO_PROTOCOL
+
+#define USBTTY_INTERFACE_CLASS 0xFF /* Vendor Specific */
+#define USBTTY_INTERFACE_SUBCLASS 0x02
+#define USBTTY_INTERFACE_PROTOCOL 0x01
+
+#define USBTTY_BCD_DEVICE 0x0
+#define USBTTY_MAXPOWER 0x0
+
+#define STR_MANUFACTURER 1
+#define STR_PRODUCT 2
+#define STR_SERIAL 3
+#define STR_CONFIG 4
+#define STR_INTERFACE 5
+
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Gerry Hamel, geh@ti.com, Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __CIRCBUF_H__
+#define __CIRCBUF_H__
+
+typedef struct circbuf {
+ unsigned int size; /* current number of bytes held */
+ unsigned int totalsize; /* number of bytes allocated */
+
+ char *top; /* pointer to current buffer start */
+ char *tail; /* pointer to space for next element */
+
+ char *data; /* all data */
+ char *end; /* end of data buffer */
+} circbuf_t;
+
+int buf_init (circbuf_t * buf, unsigned int size);
+int buf_free (circbuf_t * buf);
+int buf_pop (circbuf_t * buf, char *dest, unsigned int len);
+int buf_push (circbuf_t * buf, const char *src, unsigned int len);
+
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * If we are developing, we might want to start armboot from ram
+ * so we MUST NOT initialize critical regs like mem-timing ...
+ */
+#define CONFIG_INIT_CRITICAL /* undef for developing */
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_ARM925T 1 /* This is an arm925t CPU */
+#define CONFIG_OMAP 1 /* in a TI OMAP core */
+#define CONFIG_OMAP1510 1 /* which is in a 1510 (helen) */
+#define CONFIG_OMAP_SX1 1 /* a SX1 Board */
+
+/* input clock of PLL */
+#define CONFIG_SYS_CLK_FREQ 12000000 /* the SX1 has 12MHz input clock */
+
+#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
+
+#define CONFIG_MISC_INIT_R
+
+#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS 1
+#define CONFIG_INITRD_TAG 1
+
+/*
+ * Size of malloc() pool
+ */
+#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
+#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
+
+/*
+ * Hardware drivers
+ */
+
+/*
+ * NS16550 Configuration
+ */
+#define CFG_NS16550
+#define CFG_NS16550_SERIAL
+#define CFG_NS16550_REG_SIZE (-4)
+#define CFG_NS16550_CLK (CONFIG_SYS_CLK_FREQ) /* can be 12M/32Khz or 48Mhz */
+#define CFG_NS16550_COM1 0xfffb0000 /* uart1, bluetooth uart on helen */
+
+/*
+ * select serial console configuration
+ */
+#define CONFIG_SERIAL1 1 /* we use SERIAL 1 on SX1 */
+
+/*
+ * USB device configuration
+ */
+#define CONFIG_USB_DEVICE 1
+#define CONFIG_USB_TTY 1
+
+#define CONFIG_USBD_VENDORID 0x1234
+#define CONFIG_USBD_PRODUCTID 0x5678
+#define CONFIG_USBD_MANUFACTURER "Siemens"
+#define CONFIG_USBD_PRODUCT_NAME "SX1"
+#define CONFIG_USBD_SERIAL_NUMBER "000000000001"
+
+
+/*
+ * I2C configuration
+ */
+#define CONFIG_HARD_I2C
+#define CFG_I2C_SPEED 100000
+#define CFG_I2C_SLAVE 1
+#define CONFIG_DRIVER_OMAP1510_I2C
+
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_CONS_INDEX 1
+#define CONFIG_BAUDRATE 115200
+#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+
+#define CONFIG_COMMANDS (( CONFIG_CMD_DFL | \
+ CFG_CMD_I2C ) & \
+ ~CFG_CMD_NET)
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+#include <configs/omap1510.h>
+
+#define CONFIG_BOOTDELAY 3
+#define CONFIG_BOOTARGS "mem=16M console=ttyS0,115200n8 root=/dev/mtdblock3 rw"
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP /* undef to save memory */
+#define CFG_PROMPT "SX1# " /* Monitor Command Prompt */
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+
+#define CFG_MEMTEST_START 0x10000000 /* memtest works on */
+#define CFG_MEMTEST_END 0x12000000 /* 32 MB in DRAM */
+
+#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
+
+#define CFG_LOAD_ADDR 0x10000000 /* default load address */
+
+/* The 1510 has 3 timers, they can be driven by the RefClk (12Mhz) or by DPLL1.
+ * This time is further subdivided by a local divisor.
+ */
+#define CFG_TIMERBASE 0xFFFEC500 /* use timer 1 */
+#define CFG_PVT 7 /* 2^(pvt+1), divide by 256 */
+#define CFG_HZ ((CONFIG_SYS_CLK_FREQ)/(2 << CFG_PVT))
+
+/*-----------------------------------------------------------------------
+ * Stack sizes
+ *
+ * The stack sizes are set up in start.S using the settings below
+ */
+#define CONFIG_STACKSIZE (128*1024) /* regular stack */
+#ifdef CONFIG_USE_IRQ
+#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
+#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
+#endif
+
+/*-----------------------------------------------------------------------
+ * Physical Memory Map
+ */
+#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
+#define PHYS_SDRAM_1 0x10000000 /* SDRAM Bank #1 */
+#define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB */
+
+#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
+#define PHYS_FLASH_2 0x04000000 /* Flash Bank #2 */
+
+#define CFG_FLASH_BASE PHYS_FLASH_1
+
+/*-----------------------------------------------------------------------
+ * FLASH and environment organization
+ */
+#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
+#define CFG_MAX_FLASH_SECT (128) /* max number of sectors on one chip */
+#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x020000) /* addr of environment */
+
+/* timeout values are in ticks */
+#define CFG_FLASH_ERASE_TOUT (20*CFG_HZ) /* Timeout for Flash Erase */
+#define CFG_FLASH_WRITE_TOUT (20*CFG_HZ) /* Timeout for Flash Write */
+
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_ENV_SIZE 0x20000 /* Total Size of Environment Sector */
+#define CFG_ENV_OFFSET 0x20000 /* environment starts here */
+
+#endif /* __CONFIG_H */
#define USB_OTG_CTRL 0xFFFB040C
#define USB_TRANSCEIVER_CTRL 0xFFFE1064
-#define PULL_DWN_CTRL_4 0xFFFE10AC
+#define PULL_DWN_CTRL_4 0xFFFE10AC
#define PU_PD_SEL_0 0xFFFE10B4
#define PU_PD_SEL_1 0xFFFE10B8
#define PU_PD_SEL_2 0xFFFE10BC
#define OMAP_LCD_CONTROL TI925_LCD_CONTROL
+/* I2C Registers */
+
+#define I2C_BASE 0xfffb3800
+
+#define I2C_REV (I2C_BASE + 0x00)
+#define I2C_IE (I2C_BASE + 0x04)
+#define I2C_STAT (I2C_BASE + 0x08)
+#define I2C_IV (I2C_BASE + 0x0c)
+#define I2C_BUF (I2C_BASE + 0x14)
+#define I2C_CNT (I2C_BASE + 0x18)
+#define I2C_DATA (I2C_BASE + 0x1c)
+#define I2C_CON (I2C_BASE + 0x24)
+#define I2C_OA (I2C_BASE + 0x28)
+#define I2C_SA (I2C_BASE + 0x2c)
+#define I2C_PSC (I2C_BASE + 0x30)
+#define I2C_SCLL (I2C_BASE + 0x34)
+#define I2C_SCLH (I2C_BASE + 0x38)
+#define I2C_SYSTEST (I2C_BASE + 0x3c)
+
+/* I2C masks */
+
+/* I2C Interrupt Enable Register (I2C_IE): */
+
+#define I2C_IE_XRDY_IE (1 << 4) /* Transmit data ready interrupt enable */
+#define I2C_IE_RRDY_IE (1 << 3) /* Receive data ready interrupt enable */
+#define I2C_IE_ARDY_IE (1 << 2) /* Register access ready interrupt enable */
+#define I2C_IE_NACK_IE (1 << 1) /* No acknowledgment interrupt enable */
+#define I2C_IE_AL_IE (1 << 0) /* Arbitration lost interrupt enable */
+
+/* I2C Status Register (I2C_STAT): */
+
+#define I2C_STAT_SBD (1 << 15) /* Single byte data */
+#define I2C_STAT_BB (1 << 12) /* Bus busy */
+#define I2C_STAT_ROVR (1 << 11) /* Receive overrun */
+#define I2C_STAT_XUDF (1 << 10) /* Transmit underflow */
+#define I2C_STAT_AAS (1 << 9) /* Address as slave */
+#define I2C_STAT_AD0 (1 << 8) /* Address zero */
+#define I2C_STAT_XRDY (1 << 4) /* Transmit data ready */
+#define I2C_STAT_RRDY (1 << 3) /* Receive data ready */
+#define I2C_STAT_ARDY (1 << 2) /* Register access ready */
+#define I2C_STAT_NACK (1 << 1) /* No acknowledgment interrupt enable */
+#define I2C_STAT_AL (1 << 0) /* Arbitration lost interrupt enable */
+
+/* I2C Interrupt Vector Register (I2C_IV): */
+
+/* I2C Interrupt Code Register (I2C_INTCODE): */
+
+#define I2C_INTCODE_MASK 7
+#define I2C_INTCODE_NONE 0
+#define I2C_INTCODE_AL 1 /* Arbitration lost */
+#define I2C_INTCODE_NAK 2 /* No acknowledgement/general call */
+#define I2C_INTCODE_ARDY 3 /* Register access ready */
+#define I2C_INTCODE_RRDY 4 /* Rcv data ready */
+#define I2C_INTCODE_XRDY 5 /* Xmit data ready */
+
+/* I2C Buffer Configuration Register (I2C_BUF): */
+
+#define I2C_BUF_RDMA_EN (1 << 15) /* Receive DMA channel enable */
+#define I2C_BUF_XDMA_EN (1 << 7) /* Transmit DMA channel enable */
+
+/* I2C Configuration Register (I2C_CON): */
+
+#define I2C_CON_EN (1 << 15) /* I2C module enable */
+#define I2C_CON_BE (1 << 14) /* Big endian mode */
+#define I2C_CON_STB (1 << 11) /* Start byte mode (master mode only) */
+#define I2C_CON_MST (1 << 10) /* Master/slave mode */
+#define I2C_CON_TRX (1 << 9) /* Transmitter/receiver mode (master mode only) */
+#define I2C_CON_XA (1 << 8) /* Expand address */
+#define I2C_CON_RM (1 << 2) /* Repeat mode (master mode only) */
+#define I2C_CON_STP (1 << 1) /* Stop condition (master mode only) */
+#define I2C_CON_STT (1 << 0) /* Start condition (master mode only) */
+
+/* I2C System Test Register (I2C_SYSTEST): */
+
+#define I2C_SYSTEST_ST_EN (1 << 15) /* System test enable */
+#define I2C_SYSTEST_FREE (1 << 14) /* Free running mode (on breakpoint) */
+#define I2C_SYSTEST_TMODE_MASK (3 << 12) /* Test mode select */
+#define I2C_SYSTEST_TMODE_SHIFT (12) /* Test mode select */
+#define I2C_SYSTEST_SCL_I (1 << 3) /* SCL line sense input value */
+#define I2C_SYSTEST_SCL_O (1 << 2) /* SCL line drive output value */
+#define I2C_SYSTEST_SDA_I (1 << 1) /* SDA line sense input value */
+#define I2C_SYSTEST_SDA_O (1 << 0) /* SDA line drive output value */
+
/*
* MMC/SD Host Controller Registers
*/
#define IRQ_LEVEL_INT 1
#define IRQ_EDGE_INT 0
+
+/* Macros to access registers */
+#define outb(v,p) *(volatile u8 *) (p) = v
+#define outw(v,p) *(volatile u16 *) (p) = v
+#define outl(v,p) *(volatile u32 *) (p) = v
+
+#define inb(p) *(volatile u8 *) (p)
+#define inw(p) *(volatile u16 *) (p)
+#define inl(p) *(volatile u32 *) (p)
#ifdef CONFIG_KEYBOARD
int drv_keyboard_init (void);
#endif
+#ifdef CONFIG_USB_TTY
+int drv_usbtty_init (void);
+#endif
#endif /* _DEVICES_H_ */
--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Gerry Hamel, geh@ti.com, Texas Instruments
+ *
+ * Based on linux/drivers/usbd/usbd.h
+ *
+ * Copyright (c) 2000, 2001, 2002 Lineo
+ * Copyright (c) 2001 Hewlett Packard
+ *
+ * By:
+ * Stuart Lynne <sl@lineo.com>,
+ * Tom Rushworth <tbr@lineo.com>,
+ * Bruce Balden <balden@lineo.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __USBDCORE_H__
+#define __USBDCORE_H__
+
+#include <common.h>
+#include "usbdescriptors.h"
+
+
+#define MAX_URBS_QUEUED 5
+
+
+#if 1
+#define usberr(fmt,args...) serial_printf("ERROR: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args)
+#else
+#define usberr(fmt,args...) do{}while(0)
+#endif
+
+#if 0
+#define usbdbg(fmt,args...) serial_printf("debug: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args)
+#else
+#define usbdbg(fmt,args...) do{}while(0)
+#endif
+
+#if 0
+#define usbinfo(fmt,args...) serial_printf("info: %s(), %d: "fmt"\n",__FUNCTION__,__LINE__,##args)
+#else
+#define usbinfo(fmt,args...) do{}while(0)
+#endif
+
+#ifndef le16_to_cpu
+#define le16_to_cpu(x) (x)
+#endif
+
+#ifndef inb
+#define inb(p) (*(volatile u8*)(p))
+#endif
+
+#ifndef outb
+#define outb(val,p) (*(volatile u8*)(p) = (val))
+#endif
+
+#ifndef inw
+#define inw(p) (*(volatile u16*)(p))
+#endif
+
+#ifndef outw
+#define outw(val,p) (*(volatile u16*)(p) = (val))
+#endif
+
+#ifndef inl
+#define inl(p) (*(volatile u32*)(p))
+#endif
+
+#ifndef outl
+#define outl(val,p) (*(volatile u32*)(p) = (val))
+#endif
+
+#ifndef insw
+#define insw(p,to,len) mmio_insw(p,to,len)
+#endif
+
+#ifndef outsw
+#define outsw(p,from,len) mmio_outsw(p,from,len)
+#endif
+
+#ifndef insb
+#define insb(p,to,len) mmio_insb(p,to,len)
+#endif
+
+#ifndef mmio_insw
+#define mmio_insw(r,b,l) ({ int __i ; \
+ u16 *__b2; \
+ __b2 = (u16 *) b; \
+ for (__i = 0; __i < l; __i++) { \
+ *(__b2 + __i) = inw(r); \
+ }; \
+ })
+#endif
+
+#ifndef mmio_outsw
+#define mmio_outsw(r,b,l) ({ int __i; \
+ u16 *__b2; \
+ __b2 = (u16 *) b; \
+ for (__i = 0; __i < l; __i++) { \
+ outw( *(__b2 + __i), r); \
+ } \
+ })
+#endif
+
+#ifndef mmio_insb
+#define mmio_insb(r,b,l) ({ int __i ; \
+ u8 *__b2; \
+ __b2 = (u8 *) b; \
+ for (__i = 0; __i < l; __i++) { \
+ *(__b2 + __i) = inb(r); \
+ }; \
+ })
+#endif
+
+#ifndef MIN
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+#endif
+#ifndef MAX
+#define MAX(a,b) ((a) > (b) ? (a) : (b))
+#endif
+
+
+/*
+ * Structure member address manipulation macros.
+ * These are used by client code (code using the urb_link routines), since
+ * the urb_link structure is embedded in the client data structures.
+ *
+ * Note: a macro offsetof equivalent to member_offset is defined in stddef.h
+ * but this is kept here for the sake of portability.
+ *
+ * p2surround returns a pointer to the surrounding structure given
+ * type of the surrounding structure, the name memb of the structure
+ * member pointed at by ptr. For example, if you have:
+ *
+ * struct foo {
+ * int x;
+ * float y;
+ * char z;
+ * } thingy;
+ *
+ * char *cp = &thingy.z;
+ *
+ * then
+ *
+ * &thingy == p2surround(struct foo, z, cp)
+ *
+ * Clear?
+ */
+#define _cv_(ptr) ((char*)(void*)(ptr))
+#define member_offset(type,memb) (_cv_(&(((type*)0)->memb))-(char*)0)
+#define p2surround(type,memb,ptr) ((type*)(void*)(_cv_(ptr)-member_offset(type,memb)))
+
+struct urb;
+
+struct usb_endpoint_instance;
+struct usb_interface_instance;
+struct usb_configuration_instance;
+struct usb_device_instance;
+struct usb_bus_instance;
+
+/*
+ * Device and/or Interface Class codes
+ */
+#define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */
+#define USB_CLASS_AUDIO 1
+#define USB_CLASS_COMM 2
+#define USB_CLASS_HID 3
+#define USB_CLASS_PHYSICAL 5
+#define USB_CLASS_PRINTER 7
+#define USB_CLASS_MASS_STORAGE 8
+#define USB_CLASS_HUB 9
+#define USB_CLASS_DATA 10
+#define USB_CLASS_APP_SPEC 0xfe
+#define USB_CLASS_VENDOR_SPEC 0xff
+
+/*
+ * USB types
+ */
+#define USB_TYPE_STANDARD (0x00 << 5)
+#define USB_TYPE_CLASS (0x01 << 5)
+#define USB_TYPE_VENDOR (0x02 << 5)
+#define USB_TYPE_RESERVED (0x03 << 5)
+
+/*
+ * USB recipients
+ */
+#define USB_RECIP_DEVICE 0x00
+#define USB_RECIP_INTERFACE 0x01
+#define USB_RECIP_ENDPOINT 0x02
+#define USB_RECIP_OTHER 0x03
+
+/*
+ * USB directions
+ */
+#define USB_DIR_OUT 0
+#define USB_DIR_IN 0x80
+
+/*
+ * Descriptor types
+ */
+#define USB_DT_DEVICE 0x01
+#define USB_DT_CONFIG 0x02
+#define USB_DT_STRING 0x03
+#define USB_DT_INTERFACE 0x04
+#define USB_DT_ENDPOINT 0x05
+
+#define USB_DT_HID (USB_TYPE_CLASS | 0x01)
+#define USB_DT_REPORT (USB_TYPE_CLASS | 0x02)
+#define USB_DT_PHYSICAL (USB_TYPE_CLASS | 0x03)
+#define USB_DT_HUB (USB_TYPE_CLASS | 0x09)
+
+/*
+ * Descriptor sizes per descriptor type
+ */
+#define USB_DT_DEVICE_SIZE 18
+#define USB_DT_CONFIG_SIZE 9
+#define USB_DT_INTERFACE_SIZE 9
+#define USB_DT_ENDPOINT_SIZE 7
+#define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */
+#define USB_DT_HUB_NONVAR_SIZE 7
+#define USB_DT_HID_SIZE 9
+
+/*
+ * Endpoints
+ */
+#define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */
+#define USB_ENDPOINT_DIR_MASK 0x80
+
+#define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */
+#define USB_ENDPOINT_XFER_CONTROL 0
+#define USB_ENDPOINT_XFER_ISOC 1
+#define USB_ENDPOINT_XFER_BULK 2
+#define USB_ENDPOINT_XFER_INT 3
+
+/*
+ * USB Packet IDs (PIDs)
+ */
+#define USB_PID_UNDEF_0 0xf0
+#define USB_PID_OUT 0xe1
+#define USB_PID_ACK 0xd2
+#define USB_PID_DATA0 0xc3
+#define USB_PID_PING 0xb4 /* USB 2.0 */
+#define USB_PID_SOF 0xa5
+#define USB_PID_NYET 0x96 /* USB 2.0 */
+#define USB_PID_DATA2 0x87 /* USB 2.0 */
+#define USB_PID_SPLIT 0x78 /* USB 2.0 */
+#define USB_PID_IN 0x69
+#define USB_PID_NAK 0x5a
+#define USB_PID_DATA1 0x4b
+#define USB_PID_PREAMBLE 0x3c /* Token mode */
+#define USB_PID_ERR 0x3c /* USB 2.0: handshake mode */
+#define USB_PID_SETUP 0x2d
+#define USB_PID_STALL 0x1e
+#define USB_PID_MDATA 0x0f /* USB 2.0 */
+
+/*
+ * Standard requests
+ */
+#define USB_REQ_GET_STATUS 0x00
+#define USB_REQ_CLEAR_FEATURE 0x01
+#define USB_REQ_SET_FEATURE 0x03
+#define USB_REQ_SET_ADDRESS 0x05
+#define USB_REQ_GET_DESCRIPTOR 0x06
+#define USB_REQ_SET_DESCRIPTOR 0x07
+#define USB_REQ_GET_CONFIGURATION 0x08
+#define USB_REQ_SET_CONFIGURATION 0x09
+#define USB_REQ_GET_INTERFACE 0x0A
+#define USB_REQ_SET_INTERFACE 0x0B
+#define USB_REQ_SYNCH_FRAME 0x0C
+
+#define USBD_DEVICE_REQUESTS(x) (((unsigned int)x <= USB_REQ_SYNCH_FRAME) ? usbd_device_requests[x] : "UNKNOWN")
+
+/*
+ * HID requests
+ */
+#define USB_REQ_GET_REPORT 0x01
+#define USB_REQ_GET_IDLE 0x02
+#define USB_REQ_GET_PROTOCOL 0x03
+#define USB_REQ_SET_REPORT 0x09
+#define USB_REQ_SET_IDLE 0x0A
+#define USB_REQ_SET_PROTOCOL 0x0B
+
+
+/*
+ * USB Spec Release number
+ */
+
+#define USB_BCD_VERSION 0x0110
+
+
+/*
+ * Device Requests (c.f Table 9-2)
+ */
+
+#define USB_REQ_DIRECTION_MASK 0x80
+#define USB_REQ_TYPE_MASK 0x60
+#define USB_REQ_RECIPIENT_MASK 0x1f
+
+#define USB_REQ_DEVICE2HOST 0x80
+#define USB_REQ_HOST2DEVICE 0x00
+
+#define USB_REQ_TYPE_STANDARD 0x00
+#define USB_REQ_TYPE_CLASS 0x20
+#define USB_REQ_TYPE_VENDOR 0x40
+
+#define USB_REQ_RECIPIENT_DEVICE 0x00
+#define USB_REQ_RECIPIENT_INTERFACE 0x01
+#define USB_REQ_RECIPIENT_ENDPOINT 0x02
+#define USB_REQ_RECIPIENT_OTHER 0x03
+
+/*
+ * get status bits
+ */
+
+#define USB_STATUS_SELFPOWERED 0x01
+#define USB_STATUS_REMOTEWAKEUP 0x02
+
+#define USB_STATUS_HALT 0x01
+
+/*
+ * descriptor types
+ */
+
+#define USB_DESCRIPTOR_TYPE_DEVICE 0x01
+#define USB_DESCRIPTOR_TYPE_CONFIGURATION 0x02
+#define USB_DESCRIPTOR_TYPE_STRING 0x03
+#define USB_DESCRIPTOR_TYPE_INTERFACE 0x04
+#define USB_DESCRIPTOR_TYPE_ENDPOINT 0x05
+#define USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER 0x06
+#define USB_DESCRIPTOR_TYPE_OTHER_SPEED_CONFIGURATION 0x07
+#define USB_DESCRIPTOR_TYPE_INTERFACE_POWER 0x08
+#define USB_DESCRIPTOR_TYPE_HID 0x21
+#define USB_DESCRIPTOR_TYPE_REPORT 0x22
+
+#define USBD_DEVICE_DESCRIPTORS(x) (((unsigned int)x <= USB_DESCRIPTOR_TYPE_INTERFACE_POWER) ? \
+ usbd_device_descriptors[x] : "UNKNOWN")
+
+/*
+ * standard feature selectors
+ */
+#define USB_ENDPOINT_HALT 0x00
+#define USB_DEVICE_REMOTE_WAKEUP 0x01
+#define USB_TEST_MODE 0x02
+
+
+/* USB Requests
+ *
+ */
+
+struct usb_device_request {
+ u8 bmRequestType;
+ u8 bRequest;
+ u16 wValue;
+ u16 wIndex;
+ u16 wLength;
+} __attribute__ ((packed));
+
+
+/* USB Status
+ *
+ */
+typedef enum urb_send_status {
+ SEND_IN_PROGRESS,
+ SEND_FINISHED_OK,
+ SEND_FINISHED_ERROR,
+ RECV_READY,
+ RECV_OK,
+ RECV_ERROR
+} urb_send_status_t;
+
+/*
+ * Device State (c.f USB Spec 2.0 Figure 9-1)
+ *
+ * What state the usb device is in.
+ *
+ * Note the state does not change if the device is suspended, we simply set a
+ * flag to show that it is suspended.
+ *
+ */
+typedef enum usb_device_state {
+ STATE_INIT, /* just initialized */
+ STATE_CREATED, /* just created */
+ STATE_ATTACHED, /* we are attached */
+ STATE_POWERED, /* we have seen power indication (electrical bus signal) */
+ STATE_DEFAULT, /* we been reset */
+ STATE_ADDRESSED, /* we have been addressed (in default configuration) */
+ STATE_CONFIGURED, /* we have seen a set configuration device command */
+ STATE_UNKNOWN, /* destroyed */
+} usb_device_state_t;
+
+#define USBD_DEVICE_STATE(x) (((unsigned int)x <= STATE_UNKNOWN) ? usbd_device_states[x] : "UNKNOWN")
+
+/*
+ * Device status
+ *
+ * Overall state
+ */
+typedef enum usb_device_status {
+ USBD_OPENING, /* we are currently opening */
+ USBD_OK, /* ok to use */
+ USBD_SUSPENDED, /* we are currently suspended */
+ USBD_CLOSING, /* we are currently closing */
+} usb_device_status_t;
+
+#define USBD_DEVICE_STATUS(x) (((unsigned int)x <= USBD_CLOSING) ? usbd_device_status[x] : "UNKNOWN")
+
+/*
+ * Device Events
+ *
+ * These are defined in the USB Spec (c.f USB Spec 2.0 Figure 9-1).
+ *
+ * There are additional events defined to handle some extra actions we need
+ * to have handled.
+ *
+ */
+typedef enum usb_device_event {
+
+ DEVICE_UNKNOWN, /* bi - unknown event */
+ DEVICE_INIT, /* bi - initialize */
+ DEVICE_CREATE, /* bi - */
+ DEVICE_HUB_CONFIGURED, /* bi - bus has been plugged int */
+ DEVICE_RESET, /* bi - hub has powered our port */
+
+ DEVICE_ADDRESS_ASSIGNED, /* ep0 - set address setup received */
+ DEVICE_CONFIGURED, /* ep0 - set configure setup received */
+ DEVICE_SET_INTERFACE, /* ep0 - set interface setup received */
+
+ DEVICE_SET_FEATURE, /* ep0 - set feature setup received */
+ DEVICE_CLEAR_FEATURE, /* ep0 - clear feature setup received */
+
+ DEVICE_DE_CONFIGURED, /* ep0 - set configure setup received for ?? */
+
+ DEVICE_BUS_INACTIVE, /* bi - bus in inactive (no SOF packets) */
+ DEVICE_BUS_ACTIVITY, /* bi - bus is active again */
+
+ DEVICE_POWER_INTERRUPTION, /* bi - hub has depowered our port */
+ DEVICE_HUB_RESET, /* bi - bus has been unplugged */
+ DEVICE_DESTROY, /* bi - device instance should be destroyed */
+
+ DEVICE_HOTPLUG, /* bi - a hotplug event has occured */
+
+ DEVICE_FUNCTION_PRIVATE, /* function - private */
+
+} usb_device_event_t;
+
+
+typedef struct urb_link {
+ struct urb_link *next;
+ struct urb_link *prev;
+} urb_link;
+
+/* USB Data structure - for passing data around.
+ *
+ * This is used for both sending and receiving data.
+ *
+ * The callback function is used to let the function driver know when
+ * transmitted data has been sent.
+ *
+ * The callback function is set by the alloc_recv function when an urb is
+ * allocated for receiving data for an endpoint and used to call the
+ * function driver to inform it that data has arrived.
+ */
+
+#define URB_BUF_SIZE 128 /* in linux we'd malloc this, but in u-boot we prefer static data */
+struct urb {
+
+ struct usb_endpoint_instance *endpoint;
+ struct usb_device_instance *device;
+
+ struct usb_device_request device_request; /* contents of received SETUP packet */
+
+ struct urb_link link; /* embedded struct for circular doubly linked list of urbs */
+
+ u8* buffer;
+ unsigned int buffer_length;
+ unsigned int actual_length;
+
+ urb_send_status_t status;
+ int data;
+
+ u16 buffer_data[URB_BUF_SIZE]; /* data received (OUT) or being sent (IN) */
+};
+
+/* Endpoint configuration
+ *
+ * Per endpoint configuration data. Used to track which function driver owns
+ * an endpoint.
+ *
+ */
+struct usb_endpoint_instance {
+ int endpoint_address; /* logical endpoint address */
+
+ /* control */
+ int status; /* halted */
+ int state; /* available for use by bus interface driver */
+
+ /* receive side */
+ struct urb_link rcv; /* received urbs */
+ struct urb_link rdy; /* empty urbs ready to receive */
+ struct urb *rcv_urb; /* active urb */
+ int rcv_attributes; /* copy of bmAttributes from endpoint descriptor */
+ int rcv_packetSize; /* maximum packet size from endpoint descriptor */
+ int rcv_transferSize; /* maximum transfer size from function driver */
+ int rcv_queue;
+
+ /* transmit side */
+ struct urb_link tx; /* urbs ready to transmit */
+ struct urb_link done; /* transmitted urbs */
+ struct urb *tx_urb; /* active urb */
+ int tx_attributes; /* copy of bmAttributes from endpoint descriptor */
+ int tx_packetSize; /* maximum packet size from endpoint descriptor */
+ int tx_transferSize; /* maximum transfer size from function driver */
+ int tx_queue;
+
+ int sent; /* data already sent */
+ int last; /* data sent in last packet XXX do we need this */
+};
+
+struct usb_alternate_instance {
+ struct usb_interface_descriptor *interface_descriptor;
+
+ int endpoints;
+ int *endpoint_transfersize_array;
+ struct usb_endpoint_descriptor **endpoints_descriptor_array;
+};
+
+struct usb_interface_instance {
+ int alternates;
+ struct usb_alternate_instance *alternates_instance_array;
+};
+
+struct usb_configuration_instance {
+ int interfaces;
+ struct usb_configuration_descriptor *configuration_descriptor;
+ struct usb_interface_instance *interface_instance_array;
+};
+
+
+/* USB Device Instance
+ *
+ * For each physical bus interface we create a logical device structure. This
+ * tracks all of the required state to track the USB HOST's view of the device.
+ *
+ * Keep track of the device configuration for a real physical bus interface,
+ * this includes the bus interface, multiple function drivers, the current
+ * configuration and the current state.
+ *
+ * This will show:
+ * the specific bus interface driver
+ * the default endpoint 0 driver
+ * the configured function driver
+ * device state
+ * device status
+ * endpoint list
+ */
+
+struct usb_device_instance {
+
+ /* generic */
+ char *name;
+ struct usb_device_descriptor *device_descriptor; /* per device descriptor */
+
+ void (*event) (struct usb_device_instance *device, usb_device_event_t event, int data);
+
+ /* bus interface */
+ struct usb_bus_instance *bus; /* which bus interface driver */
+
+ /* configuration descriptors */
+ int configurations;
+ struct usb_configuration_instance *configuration_instance_array;
+
+ /* device state */
+ usb_device_state_t device_state; /* current USB Device state */
+ usb_device_state_t device_previous_state; /* current USB Device state */
+
+ u8 address; /* current address (zero is default) */
+ u8 configuration; /* current show configuration (zero is default) */
+ u8 interface; /* current interface (zero is default) */
+ u8 alternate; /* alternate flag */
+
+ usb_device_status_t status; /* device status */
+
+ int urbs_queued; /* number of submitted urbs */
+
+ /* Shouldn't need to make this atomic, all we need is a change indicator */
+ unsigned long usbd_rxtx_timestamp;
+ unsigned long usbd_last_rxtx_timestamp;
+
+};
+
+/* Bus Interface configuration structure
+ *
+ * This is allocated for each configured instance of a bus interface driver.
+ *
+ * The privdata pointer may be used by the bus interface driver to store private
+ * per instance state information.
+ */
+struct usb_bus_instance {
+
+ struct usb_device_instance *device;
+ struct usb_endpoint_instance *endpoint_array; /* array of available configured endpoints */
+
+ int max_endpoints; /* maximimum number of rx enpoints */
+ unsigned char maxpacketsize;
+
+ unsigned int serial_number;
+ char *serial_number_str;
+ void *privdata; /* private data for the bus interface */
+
+};
+
+extern char *usbd_device_events[];
+extern char *usbd_device_states[];
+extern char *usbd_device_status[];
+extern char *usbd_device_requests[];
+extern char *usbd_device_descriptors[];
+
+void urb_link_init (urb_link * ul);
+void urb_detach (struct urb *urb);
+urb_link *first_urb_link (urb_link * hd);
+struct urb *first_urb (urb_link * hd);
+struct urb *first_urb_detached (urb_link * hd);
+void urb_append (urb_link * hd, struct urb *urb);
+
+struct urb *usbd_alloc_urb (struct usb_device_instance *device, struct usb_endpoint_instance *endpoint);
+void usbd_dealloc_urb (struct urb *urb);
+
+/*
+ * usbd_device_event is used by bus interface drivers to tell the higher layers that
+ * certain events have taken place.
+ */
+void usbd_device_event_irq (struct usb_device_instance *conf, usb_device_event_t, int);
+void usbd_device_event (struct usb_device_instance *conf, usb_device_event_t, int);
+
+/* descriptors
+ *
+ * Various ways of finding descriptors based on the current device and any
+ * possible configuration / interface / endpoint for it.
+ */
+struct usb_configuration_descriptor *usbd_device_configuration_descriptor (struct usb_device_instance *, int, int);
+struct usb_function_instance *usbd_device_function_instance (struct usb_device_instance *, unsigned int);
+struct usb_interface_instance *usbd_device_interface_instance (struct usb_device_instance *, int, int, int);
+struct usb_alternate_instance *usbd_device_alternate_instance (struct usb_device_instance *, int, int, int, int);
+struct usb_interface_descriptor *usbd_device_interface_descriptor (struct usb_device_instance *, int, int, int, int);
+struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor_index (struct usb_device_instance *, int, int, int, int, int);
+struct usb_class_descriptor *usbd_device_class_descriptor_index (struct usb_device_instance *, int, int, int, int, int);
+struct usb_class_report_descriptor *usbd_device_class_report_descriptor_index( struct usb_device_instance *, int , int , int , int , int );
+struct usb_endpoint_descriptor *usbd_device_endpoint_descriptor (struct usb_device_instance *, int, int, int, int, int);
+int usbd_device_endpoint_transfersize (struct usb_device_instance *, int, int, int, int, int);
+struct usb_string_descriptor *usbd_get_string (u8);
+struct usb_device_descriptor *usbd_device_device_descriptor (struct usb_device_instance *, int);
+
+int usbd_endpoint_halted (struct usb_device_instance *device, int endpoint);
+void usbd_rcv_complete(struct usb_endpoint_instance *endpoint, int len, int urb_bad);
+void usbd_tx_complete (struct usb_endpoint_instance *endpoint);
+
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Gerry Hamel, geh@ti.com, Texas Instruments
+ *
+ * Based on
+ * linux/drivers/usbd/ep0.c
+ *
+ * Copyright (c) 2000, 2001, 2002 Lineo
+ * Copyright (c) 2001 Hewlett Packard
+ *
+ * By:
+ * Stuart Lynne <sl@lineo.com>,
+ * Tom Rushworth <tbr@lineo.com>,
+ * Bruce Balden <balden@lineo.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef __USBDCORE_EP0_H__
+#define __USBDCORE_EP0_H__
+
+
+int ep0_recv_setup (struct urb *urb);
+
+
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Gerry Hamel, geh@ti.com, Texas Instruments
+ *
+ * Based on
+ * linux/drivers/usb/device/bi/omap.h
+ * Register definitions for TI OMAP1510 USB bus interface driver
+ *
+ * Author: MontaVista Software, Inc.
+ * source@mvista.com
+ *
+ * 2003 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#ifndef __USBDCORE_OMAP1510_H__
+#define __USBDCORE_OMAP1510_H__
+
+
+/*
+ * 13.2 MPU Register Map
+ */
+
+/* Table 13-1. USB Function Module Registers (endpoint) */
+#define UDC_BASE 0xFFFB4000
+#define UDC_OFFSET(offset) (UDC_BASE + (offset))
+#define UDC_REV UDC_OFFSET(0x0) /* Revision */
+#define UDC_EP_NUM UDC_OFFSET(0x4) /* Endpoint selection */
+#define UDC_DATA UDC_OFFSET(0x08) /* Data */
+#define UDC_CTRL UDC_OFFSET(0x0C) /* Control */
+#define UDC_STAT_FLG UDC_OFFSET(0x10) /* Status flag */
+#define UDC_RXFSTAT UDC_OFFSET(0x14) /* Receive FIFO status */
+#define UDC_SYSCON1 UDC_OFFSET(0x18) /* System configuration 1 */
+#define UDC_SYSCON2 UDC_OFFSET(0x1C) /* System configuration 2 */
+#define UDC_DEVSTAT UDC_OFFSET(0x20) /* Device status */
+#define UDC_SOF UDC_OFFSET(0x24) /* Start of frame */
+#define UDC_IRQ_EN UDC_OFFSET(0x28) /* Interrupt enable */
+#define UDC_DMA_IRQ_EN UDC_OFFSET(0x2C) /* DMA interrupt enable */
+#define UDC_IRQ_SRC UDC_OFFSET(0x30) /* Interrupt source */
+#define UDC_EPN_STAT UDC_OFFSET(0x34) /* Endpoint interrupt status */
+#define UDC_DMAN_STAT UDC_OFFSET(0x3C) /* DMA endpoint interrupt status */
+
+/* IRQ_EN register fields */
+#define UDC_Sof_IE (1 << 7) /* Start-of-frame interrupt enabled */
+#define UDC_EPn_RX_IE (1 << 5) /* Receive endpoint interrupt enabled */
+#define UDC_EPn_TX_IE (1 << 4) /* Transmit endpoint interrupt enabled */
+#define UDC_DS_Chg_IE (1 << 3) /* Device state changed interrupt enabled */
+#define UDC_EP0_IE (1 << 0) /* EP0 transaction interrupt enabled */
+
+/* IRQ_SRC register fields */
+#define UDC_TXn_Done (1 << 10) /* Transmit DMA channel n done */
+#define UDC_RXn_Cnt (1 << 9) /* Receive DMA channel n transactions count */
+#define UDC_RXn_EOT (1 << 8) /* Receive DMA channel n end of transfer */
+#define UDC_SOF_Flg (1 << 7) /* Start-of-frame interrupt flag */
+#define UDC_EPn_RX (1 << 5) /* Endpoint n OUT transaction */
+#define UDC_EPn_TX (1 << 4) /* Endpoint n IN transaction */
+#define UDC_DS_Chg (1 << 3) /* Device state changed */
+#define UDC_Setup (1 << 2) /* Setup transaction */
+#define UDC_EP0_RX (1 << 1) /* EP0 OUT transaction */
+#define UDC_EP0_TX (1 << 0) /* EP0 IN transaction */
+
+/* DEVSTAT register fields, 14.2.9 */
+#define UDC_R_WK_OK (1 << 6) /* Remote wakeup granted */
+#define UDC_USB_Reset (1 << 5) /* USB reset signalling is active */
+#define UDC_SUS (1 << 4) /* Suspended state */
+#define UDC_CFG (1 << 3) /* Configured state */
+#define UDC_ADD (1 << 2) /* Addressed state */
+#define UDC_DEF (1 << 1) /* Default state */
+#define UDC_ATT (1 << 0) /* Attached state */
+
+/* SYSCON1 register fields */
+#define UDC_Cfg_Lock (1 << 8) /* Device configuration locked */
+#define UDC_Nak_En (1 << 4) /* NAK enable */
+#define UDC_Self_Pwr (1 << 2) /* Device is self-powered */
+#define UDC_Soff_Dis (1 << 1) /* Shutoff disabled */
+#define UDC_Pullup_En (1 << 0) /* External pullup enabled */
+
+/* SYSCON2 register fields */
+#define UDC_Rmt_Wkp (1 << 6) /* Remote wakeup */
+#define UDC_Stall_Cmd (1 << 5) /* Stall endpoint */
+#define UDC_Dev_Cfg (1 << 3) /* Device configured */
+#define UDC_Clr_Cfg (1 << 2) /* Clear configured */
+
+/*
+ * Select and enable endpoints
+ */
+
+/* Table 13-1. USB Function Module Registers (endpoint configuration) */
+#define UDC_EPBASE UDC_OFFSET(0x80) /* Endpoints base address */
+#define UDC_EP0 UDC_EPBASE /* Control endpoint configuration */
+#define UDC_EP_RX_BASE UDC_OFFSET(0x84) /* Receive endpoints base address */
+#define UDC_EP_RX(endpoint) (UDC_EP_RX_BASE + ((endpoint) - 1) * 4)
+#define UDC_EP_TX_BASE UDC_OFFSET(0xC4) /* Transmit endpoints base address */
+#define UDC_EP_TX(endpoint) (UDC_EP_TX_BASE + ((endpoint) - 1) * 4)
+
+/* EP_NUM register fields */
+#define UDC_Setup_Sel (1 << 6) /* Setup FIFO select */
+#define UDC_EP_Sel (1 << 5) /* TX/RX FIFO select */
+#define UDC_EP_Dir (1 << 4) /* Endpoint direction */
+
+/* CTRL register fields */
+#define UDC_Clr_Halt (1 << 7) /* Clear halt endpoint */
+#define UDC_Set_Halt (1 << 6) /* Set halt endpoint */
+#define UDC_Set_FIFO_En (1 << 2) /* Set FIFO enable */
+#define UDC_Clr_EP (1 << 1) /* Clear endpoint */
+#define UDC_Reset_EP (1 << 0) /* Reset endpoint */
+
+/* STAT_FLG register fields */
+#define UDC_Miss_In (1 << 14)
+#define UDC_Data_Flush (1 << 13)
+#define UDC_ISO_Err (1 << 12)
+#define UDC_ISO_FIFO_Empty (1 << 9)
+#define UDC_ISO_FIFO_Full (1 << 8)
+#define UDC_EP_Halted (1 << 6)
+#define UDC_STALL (1 << 5)
+#define UDC_NAK (1 << 4)
+#define UDC_ACK (1 << 3)
+#define UDC_FIFO_En (1 << 2)
+#define UDC_Non_ISO_FIFO_Empty (1 << 1)
+#define UDC_Non_ISO_FIFO_Full (1 << 0)
+
+/* EPn_RX register fields */
+#define UDC_EPn_RX_Valid (1 << 15) /* valid */
+#define UDC_EPn_RX_Db (1 << 14) /* double-buffer */
+#define UDC_EPn_RX_Iso (1 << 11) /* isochronous */
+
+/* EPn_TX register fields */
+#define UDC_EPn_TX_Valid (1 << 15) /* valid */
+#define UDC_EPn_TX_Db (1 << 14) /* double-buffer */
+#define UDC_EPn_TX_Iso (1 << 11) /* isochronous */
+
+#define EP0_PACKETSIZE 0x40
+
+/* physical to logical endpoint mapping
+ * Physical endpoints are an index into device->bus->endpoint_array.
+ * Logical endpoints are endpoints 0 to 15 IN and OUT as defined in
+ * the USB specification.
+ *
+ * physical ep logical ep direction endpoint_address
+ * 0 0 IN and OUT 0x00
+ * 1 to 15 1 to 15 OUT 0x01 to 0x0f
+ * 16 to 30 1 to 15 IN 0x81 to 0x8f
+ */
+#define PHYS_EP_TO_EP_ADDR(ep) (((ep) < 16) ? (ep) : (((ep) - 15) | 0x80))
+#define EP_ADDR_TO_PHYS_EP(a) (((a) & 0x80) ? (((a) & ~0x80) + 15) : (a))
+
+/* MOD_CONF_CTRL_0 bits (FIXME: move to board hardware.h ?) */
+#define CONF_MOD_USB_W2FC_VBUS_MODE_R (1 << 17)
+
+/* Other registers (may be) related to USB */
+
+#define CLOCK_CTRL (0xFFFE0830)
+#define APLL_CTRL (0xFFFE084C)
+#define DPLL_CTRL (0xFFFE083C)
+#define SOFT_REQ (0xFFFE0834)
+#define STATUS_REQ (0xFFFE0840)
+
+/* FUNC_MUX_CTRL_0 bits related to USB */
+#define UDC_VBUS_CTRL (1 << 19)
+#define UDC_VBUS_MODE (1 << 18)
+
+
+void omap1510_udc_irq(void);
+void omap1510_udc_noniso_irq(void);
+
+
+/* Higher level functions for abstracting away from specific device */
+void udc_endpoint_write(struct usb_endpoint_instance *endpoint);
+
+int udc_init (void);
+
+void udc_enable(struct usb_device_instance *device);
+void udc_disable(void);
+
+void udc_connect(void);
+void udc_disconnect(void);
+
+void udc_startup_events(struct usb_device_instance *device);
+void udc_setup_ep(struct usb_device_instance *device, unsigned int ep, struct usb_endpoint_instance *endpoint);
+
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2003
+ * Gerry Hamel, geh@ti.com, Texas Instruments
+ *
+ * Based on
+ * linux/drivers/usbd/usb-function.h - USB Function
+ *
+ * Copyright (c) 2000, 2001, 2002 Lineo
+ * Copyright (c) 2001 Hewlett Packard
+ *
+ * By:
+ * Stuart Lynne <sl@lineo.com>,
+ * Tom Rushworth <tbr@lineo.com>,
+ * Bruce Balden <balden@lineo.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/* USB Descriptors - Create a complete description of all of the
+ * function driver capabilities. These map directly to the USB descriptors.
+ *
+ * This heirarchy is created by the functions drivers and is passed to the
+ * usb-device driver when the function driver is registered.
+ *
+ * device
+ * configuration
+ * interface
+ * alternate
+ * class
+ * class
+ * alternate
+ * endpoint
+ * endpoint
+ * interface
+ * alternate
+ * endpoint
+ * endpoint
+ * configuration
+ * interface
+ * alternate
+ * endpoint
+ * endpoint
+ *
+ *
+ * The configuration structures refer to the USB Configurations that will be
+ * made available to a USB HOST during the enumeration process.
+ *
+ * The USB HOST will select a configuration and optionally an interface with
+ * the usb set configuration and set interface commands.
+ *
+ * The selected interface (or the default interface if not specifically
+ * selected) will define the list of endpoints that will be used.
+ *
+ * The configuration and interfaces are stored in an array that is indexed
+ * by the specified configuratin or interface number minus one.
+ *
+ * A configuration number of zero is used to specify a return to the unconfigured
+ * state.
+ *
+ */
+
+
+#ifndef __USBDESCRIPTORS_H__
+#define __USBDESCRIPTORS_H__
+
+#include <asm/types.h>
+
+/*
+ * communications class types
+ *
+ * c.f. CDC USB Class Definitions for Communications Devices
+ * c.f. WMCD USB CDC Subclass Specification for Wireless Mobile Communications Devices
+ *
+ */
+
+#define CLASS_BCD_VERSION 0x0110
+
+/* c.f. CDC 4.1 Table 14 */
+#define COMMUNICATIONS_DEVICE_CLASS 0x02
+
+/* c.f. CDC 4.2 Table 15 */
+#define COMMUNICATIONS_INTERFACE_CLASS 0x02
+
+/* c.f. CDC 4.3 Table 16 */
+#define COMMUNICATIONS_NO_SUBCLASS 0x00
+#define COMMUNICATIONS_DLCM_SUBCLASS 0x01
+#define COMMUNICATIONS_ACM_SUBCLASS 0x02
+#define COMMUNICATIONS_TCM_SUBCLASS 0x03
+#define COMMUNICATIONS_MCCM_SUBCLASS 0x04
+#define COMMUNICATIONS_CCM_SUBCLASS 0x05
+#define COMMUNICATIONS_ENCM_SUBCLASS 0x06
+#define COMMUNICATIONS_ANCM_SUBCLASS 0x07
+
+/* c.f. WMCD 5.1 */
+#define COMMUNICATIONS_WHCM_SUBCLASS 0x08
+#define COMMUNICATIONS_DMM_SUBCLASS 0x09
+#define COMMUNICATIONS_MDLM_SUBCLASS 0x0a
+#define COMMUNICATIONS_OBEX_SUBCLASS 0x0b
+
+/* c.f. CDC 4.6 Table 18 */
+#define DATA_INTERFACE_CLASS 0x0a
+
+/* c.f. CDC 4.7 Table 19 */
+#define COMMUNICATIONS_NO_PROTOCOL 0x00
+
+
+/* c.f. CDC 5.2.3 Table 24 */
+#define CS_INTERFACE 0x24
+#define CS_ENDPOINT 0x25
+
+/*
+ * bDescriptorSubtypes
+ *
+ * c.f. CDC 5.2.3 Table 25
+ * c.f. WMCD 5.3 Table 5.3
+ */
+
+#define USB_ST_HEADER 0x00
+#define USB_ST_CMF 0x01
+#define USB_ST_ACMF 0x02
+#define USB_ST_DLMF 0x03
+#define USB_ST_TRF 0x04
+#define USB_ST_TCLF 0x05
+#define USB_ST_UF 0x06
+#define USB_ST_CSF 0x07
+#define USB_ST_TOMF 0x08
+#define USB_ST_USBTF 0x09
+#define USB_ST_NCT 0x0a
+#define USB_ST_PUF 0x0b
+#define USB_ST_EUF 0x0c
+#define USB_ST_MCMF 0x0d
+#define USB_ST_CCMF 0x0e
+#define USB_ST_ENF 0x0f
+#define USB_ST_ATMNF 0x10
+
+#define USB_ST_WHCM 0x11
+#define USB_ST_MDLM 0x12
+#define USB_ST_MDLMD 0x13
+#define USB_ST_DMM 0x14
+#define USB_ST_OBEX 0x15
+#define USB_ST_CS 0x16
+#define USB_ST_CSD 0x17
+#define USB_ST_TCM 0x18
+
+/* endpoint modifiers
+ * static struct usb_endpoint_description function_default_A_1[] = {
+ *
+ * {this_endpoint: 0, attributes: CONTROL, max_size: 8, polling_interval: 0 },
+ * {this_endpoint: 1, attributes: BULK, max_size: 64, polling_interval: 0, direction: IN},
+ * {this_endpoint: 2, attributes: BULK, max_size: 64, polling_interval: 0, direction: OUT},
+ * {this_endpoint: 3, attributes: INTERRUPT, max_size: 8, polling_interval: 0},
+ *
+ *
+ */
+#define OUT 0x00
+#define IN 0x80
+
+#define CONTROL 0x00
+#define ISOCHRONOUS 0x01
+#define BULK 0x02
+#define INTERRUPT 0x03
+
+
+/* configuration modifiers
+ */
+#define BMATTRIBUTE_RESERVED 0x80
+#define BMATTRIBUTE_SELF_POWERED 0x40
+
+/*
+ * standard usb descriptor structures
+ */
+
+struct usb_endpoint_descriptor {
+ u8 bLength;
+ u8 bDescriptorType; /* 0x5 */
+ u8 bEndpointAddress;
+ u8 bmAttributes;
+ u16 wMaxPacketSize;
+ u8 bInterval;
+} __attribute__ ((packed));
+
+struct usb_interface_descriptor {
+ u8 bLength;
+ u8 bDescriptorType; /* 0x04 */
+ u8 bInterfaceNumber;
+ u8 bAlternateSetting;
+ u8 bNumEndpoints;
+ u8 bInterfaceClass;
+ u8 bInterfaceSubClass;
+ u8 bInterfaceProtocol;
+ u8 iInterface;
+} __attribute__ ((packed));
+
+struct usb_configuration_descriptor {
+ u8 bLength;
+ u8 bDescriptorType; /* 0x2 */
+ u16 wTotalLength;
+ u8 bNumInterfaces;
+ u8 bConfigurationValue;
+ u8 iConfiguration;
+ u8 bmAttributes;
+ u8 bMaxPower;
+} __attribute__ ((packed));
+
+struct usb_device_descriptor {
+ u8 bLength;
+ u8 bDescriptorType; /* 0x01 */
+ u16 bcdUSB;
+ u8 bDeviceClass;
+ u8 bDeviceSubClass;
+ u8 bDeviceProtocol;
+ u8 bMaxPacketSize0;
+ u16 idVendor;
+ u16 idProduct;
+ u16 bcdDevice;
+ u8 iManufacturer;
+ u8 iProduct;
+ u8 iSerialNumber;
+ u8 bNumConfigurations;
+} __attribute__ ((packed));
+
+struct usb_string_descriptor {
+ u8 bLength;
+ u8 bDescriptorType; /* 0x03 */
+ u16 wData[0];
+} __attribute__ ((packed));
+
+struct usb_generic_descriptor {
+ u8 bLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype;
+} __attribute__ ((packed));
+
+
+/*
+ * communications class descriptor structures
+ *
+ * c.f. CDC 5.2 Table 25c
+ */
+
+struct usb_class_function_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype;
+} __attribute__ ((packed));
+
+struct usb_class_function_descriptor_generic {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype;
+ u8 bmCapabilities;
+} __attribute__ ((packed));
+
+struct usb_class_header_function_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x00 */
+ u16 bcdCDC;
+} __attribute__ ((packed));
+
+struct usb_class_call_management_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x01 */
+ u8 bmCapabilities;
+ u8 bDataInterface;
+} __attribute__ ((packed));
+
+struct usb_class_abstract_control_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x02 */
+ u8 bmCapabilities;
+} __attribute__ ((packed));
+
+struct usb_class_direct_line_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x03 */
+} __attribute__ ((packed));
+
+struct usb_class_telephone_ringer_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x04 */
+ u8 bRingerVolSeps;
+ u8 bNumRingerPatterns;
+} __attribute__ ((packed));
+
+struct usb_class_telephone_call_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x05 */
+ u8 bmCapabilities;
+} __attribute__ ((packed));
+
+struct usb_class_union_function_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x06 */
+ u8 bMasterInterface;
+ u8 bSlaveInterface0[0];
+} __attribute__ ((packed));
+
+struct usb_class_country_selection_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x07 */
+ u8 iCountryCodeRelDate;
+ u16 wCountryCode0[0];
+} __attribute__ ((packed));
+
+
+struct usb_class_telephone_operational_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x08 */
+ u8 bmCapabilities;
+} __attribute__ ((packed));
+
+
+struct usb_class_usb_terminal_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x09 */
+ u8 bEntityId;
+ u8 bInterfaceNo;
+ u8 bOutInterfaceNo;
+ u8 bmOptions;
+ u8 bChild0[0];
+} __attribute__ ((packed));
+
+struct usb_class_network_channel_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x0a */
+ u8 bEntityId;
+ u8 iName;
+ u8 bChannelIndex;
+ u8 bPhysicalInterface;
+} __attribute__ ((packed));
+
+struct usb_class_protocol_unit_function_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x0b */
+ u8 bEntityId;
+ u8 bProtocol;
+ u8 bChild0[0];
+} __attribute__ ((packed));
+
+struct usb_class_extension_unit_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x0c */
+ u8 bEntityId;
+ u8 bExtensionCode;
+ u8 iName;
+ u8 bChild0[0];
+} __attribute__ ((packed));
+
+struct usb_class_multi_channel_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x0d */
+ u8 bmCapabilities;
+} __attribute__ ((packed));
+
+struct usb_class_capi_control_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x0e */
+ u8 bmCapabilities;
+} __attribute__ ((packed));
+
+struct usb_class_ethernet_networking_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x0f */
+ u8 iMACAddress;
+ u32 bmEthernetStatistics;
+ u16 wMaxSegmentSize;
+ u16 wNumberMCFilters;
+ u8 bNumberPowerFilters;
+} __attribute__ ((packed));
+
+struct usb_class_atm_networking_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x10 */
+ u8 iEndSystermIdentifier;
+ u8 bmDataCapabilities;
+ u8 bmATMDeviceStatistics;
+ u16 wType2MaxSegmentSize;
+ u16 wType3MaxSegmentSize;
+ u16 wMaxVC;
+} __attribute__ ((packed));
+
+
+struct usb_class_mdlm_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x12 */
+ u16 bcdVersion;
+ u8 bGUID[16];
+} __attribute__ ((packed));
+
+struct usb_class_mdlmd_descriptor {
+ u8 bFunctionLength;
+ u8 bDescriptorType;
+ u8 bDescriptorSubtype; /* 0x13 */
+ u8 bGuidDescriptorType;
+ u8 bDetailData[0];
+
+} __attribute__ ((packed));
+
+/*
+ * HID class descriptor structures
+ *
+ * c.f. HID 6.2.1
+ */
+
+struct usb_class_hid_descriptor {
+ u8 bLength;
+ u8 bDescriptorType;
+ u16 bcdCDC;
+ u8 bCountryCode;
+ u8 bNumDescriptors; /* 0x01 */
+ u8 bDescriptorType0;
+ u16 wDescriptorLength0;
+ /* optional descriptors are not supported. */
+} __attribute__((packed));
+
+struct usb_class_report_descriptor {
+ u8 bLength; /* dummy */
+ u8 bDescriptorType;
+ u16 wLength;
+ u8 bData[0];
+} __attribute__((packed));
+
+/*
+ * descriptor union structures
+ */
+
+struct usb_descriptor {
+ union {
+ struct usb_generic_descriptor generic;
+ struct usb_endpoint_descriptor endpoint;
+ struct usb_interface_descriptor interface;
+ struct usb_configuration_descriptor configuration;
+ struct usb_device_descriptor device;
+ struct usb_string_descriptor string;
+ } descriptor;
+
+} __attribute__ ((packed));
+
+struct usb_class_descriptor {
+ union {
+ struct usb_class_function_descriptor function;
+ struct usb_class_function_descriptor_generic generic;
+ struct usb_class_header_function_descriptor header_function;
+ struct usb_class_call_management_descriptor call_management;
+ struct usb_class_abstract_control_descriptor abstract_control;
+ struct usb_class_direct_line_descriptor direct_line;
+ struct usb_class_telephone_ringer_descriptor telephone_ringer;
+ struct usb_class_telephone_operational_descriptor telephone_operational;
+ struct usb_class_telephone_call_descriptor telephone_call;
+ struct usb_class_union_function_descriptor union_function;
+ struct usb_class_country_selection_descriptor country_selection;
+ struct usb_class_usb_terminal_descriptor usb_terminal;
+ struct usb_class_network_channel_descriptor network_channel;
+ struct usb_class_extension_unit_descriptor extension_unit;
+ struct usb_class_multi_channel_descriptor multi_channel;
+ struct usb_class_capi_control_descriptor capi_control;
+ struct usb_class_ethernet_networking_descriptor ethernet_networking;
+ struct usb_class_atm_networking_descriptor atm_networking;
+ struct usb_class_mdlm_descriptor mobile_direct;
+ struct usb_class_mdlmd_descriptor mobile_direct_detail;
+ struct usb_class_hid_descriptor hid;
+ } descriptor;
+
+} __attribute__ ((packed));
+
+#endif
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* we assume that the kernel is in place */
printf ("\nStarting kernel ...\n\n");
+#ifdef CONFIG_USB_DEVICE
+ {
+ extern void udc_disconnect (void);
+ udc_disconnect ();
+ }
+#endif
+
cleanup_before_linux ();
theKernel (0, bd->bi_arch_number, bd->bi_boot_params);
* (See License)
* Copyright 2000 Roland Borde
* Copyright 2000 Paolo Scaffardi
- * Copyright 2000-2002 Wolfgang Denk, wd@denx.de
+ * Copyright 2000-2004 Wolfgang Denk, wd@denx.de
*/
#if 0
-#define DEBUG 1 /* general debug */
-#define DEBUG_BOOTP_EXT 1 /* Debug received vendor fields */
+#define DEBUG 1 /* general debug */
+#define DEBUG_BOOTP_EXT 1 /* Debug received vendor fields */
#endif
#ifdef DEBUG_BOOTP_EXT
#include <net.h>
#include "bootp.h"
#include "tftp.h"
+#include "nfs.h"
#ifdef CONFIG_STATUS_LED
#include <status_led.h>
#endif
-#define BOOTP_VENDOR_MAGIC 0x63825363 /* RFC1048 Magic Cookie */
+#define BOOTP_VENDOR_MAGIC 0x63825363 /* RFC1048 Magic Cookie */
#if (CONFIG_COMMANDS & CFG_CMD_NET)
#define TIMEOUT 5 /* Seconds before trying BOOTP again */
-#ifndef CONFIG_NET_RETRY_COUNT
+#ifndef CONFIG_NET_RETRY_COUNT
# define TIMEOUT_COUNT 5 /* # of timeouts before giving up */
#else
-# define TIMEOUT_COUNT (CONFIG_NET_RETRY_COUNT)
+# define TIMEOUT_COUNT (CONFIG_NET_RETRY_COUNT)
#endif
#define PORT_BOOTPS 67 /* BOOTP server UDP port */
#define PORT_BOOTPC 68 /* BOOTP client UDP port */
#ifndef CONFIG_DHCP_MIN_EXT_LEN /* minimal length of extension list */
-#define CONFIG_DHCP_MIN_EXT_LEN 64
+#define CONFIG_DHCP_MIN_EXT_LEN 64
#endif
ulong BootpID;
static char *dhcpmsg2str(int type)
{
switch (type) {
- case 1: return "DHCPDISCOVER"; break;
- case 2: return "DHCPOFFER"; break;
- case 3: return "DHCPREQUEST"; break;
- case 4: return "DHCPDECLINE"; break;
- case 5: return "DHCPACK"; break;
- case 6: return "DHCPNACK"; break;
- case 7: return "DHCPRELEASE"; break;
+ case 1: return "DHCPDISCOVER"; break;
+ case 2: return "DHCPOFFER"; break;
+ case 3: return "DHCPREQUEST"; break;
+ case 4: return "DHCPDECLINE"; break;
+ case 5: return "DHCPACK"; break;
+ case 6: return "DHCPNACK"; break;
+ case 7: return "DHCPRELEASE"; break;
default: return "UNKNOWN/INVALID MSG TYPE"; break;
}
}
#if !(CONFIG_COMMANDS & CFG_CMD_DHCP)
-static void BootpVendorFieldProcess(u8 *ext)
+static void BootpVendorFieldProcess (u8 * ext)
{
- int size = *(ext+1) ;
+ int size = *(ext + 1);
- debug_ext ("[BOOTP] Processing extension %d... (%d bytes)\n", *ext, *(ext+1));
+ debug_ext ("[BOOTP] Processing extension %d... (%d bytes)\n", *ext,
+ *(ext + 1));
- NetBootFileSize = 0;
+ NetBootFileSize = 0;
- switch (*ext) {
- /* Fixed length fields */
- case 1: /* Subnet mask */
+ switch (*ext) {
+ /* Fixed length fields */
+ case 1: /* Subnet mask */
if (NetOurSubnetMask == 0)
- NetCopyIP(&NetOurSubnetMask, (IPaddr_t*)(ext+2));
+ NetCopyIP (&NetOurSubnetMask, (IPaddr_t *) (ext + 2));
break;
- case 2: /* Time offset - Not yet supported */
+ case 2: /* Time offset - Not yet supported */
break;
- /* Variable length fields */
- case 3: /* Gateways list */
+ /* Variable length fields */
+ case 3: /* Gateways list */
if (NetOurGatewayIP == 0) {
- NetCopyIP(&NetOurGatewayIP, (IPaddr_t*)(ext+2));
+ NetCopyIP (&NetOurGatewayIP, (IPaddr_t *) (ext + 2));
}
break;
- case 4: /* Time server - Not yet supported */
+ case 4: /* Time server - Not yet supported */
break;
- case 5: /* IEN-116 name server - Not yet supported */
+ case 5: /* IEN-116 name server - Not yet supported */
break;
case 6:
if (NetOurDNSIP == 0) {
- NetCopyIP(&NetOurDNSIP, (IPaddr_t*)(ext+2));
+ NetCopyIP (&NetOurDNSIP, (IPaddr_t *) (ext + 2));
}
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2)
if ((NetOurDNS2IP == 0) && (size > 4)) {
- NetCopyIP(&NetOurDNS2IP, (IPaddr_t*)(ext+2+4));
+ NetCopyIP (&NetOurDNS2IP, (IPaddr_t *) (ext + 2 + 4));
}
#endif
break;
- case 7: /* Log server - Not yet supported */
+ case 7: /* Log server - Not yet supported */
break;
- case 8: /* Cookie/Quote server - Not yet supported */
+ case 8: /* Cookie/Quote server - Not yet supported */
break;
- case 9: /* LPR server - Not yet supported */
+ case 9: /* LPR server - Not yet supported */
break;
- case 10: /* Impress server - Not yet supported */
+ case 10: /* Impress server - Not yet supported */
break;
- case 11: /* RPL server - Not yet supported */
+ case 11: /* RPL server - Not yet supported */
break;
- case 12: /* Host name */
+ case 12: /* Host name */
if (NetOurHostName[0] == 0) {
- size = truncate_sz("Host Name", sizeof(NetOurHostName), size);
- memcpy(&NetOurHostName, ext+2, size);
- NetOurHostName[size] = 0 ;
+ size = truncate_sz ("Host Name", sizeof (NetOurHostName), size);
+ memcpy (&NetOurHostName, ext + 2, size);
+ NetOurHostName[size] = 0;
}
break;
- case 13: /* Boot file size */
+ case 13: /* Boot file size */
if (size == 2)
- NetBootFileSize = ntohs(*(ushort*)(ext+2));
+ NetBootFileSize = ntohs (*(ushort *) (ext + 2));
else if (size == 4)
- NetBootFileSize = ntohl(*(ulong*)(ext+2));
+ NetBootFileSize = ntohl (*(ulong *) (ext + 2));
break;
- case 14: /* Merit dump file - Not yet supported */
+ case 14: /* Merit dump file - Not yet supported */
break;
- case 15: /* Domain name - Not yet supported */
+ case 15: /* Domain name - Not yet supported */
break;
- case 16: /* Swap server - Not yet supported */
+ case 16: /* Swap server - Not yet supported */
break;
- case 17: /* Root path */
+ case 17: /* Root path */
if (NetOurRootPath[0] == 0) {
- size = truncate_sz("Root Path", sizeof(NetOurRootPath), size);
- memcpy(&NetOurRootPath, ext+2, size);
- NetOurRootPath[size] = 0 ;
+ size = truncate_sz ("Root Path", sizeof (NetOurRootPath), size);
+ memcpy (&NetOurRootPath, ext + 2, size);
+ NetOurRootPath[size] = 0;
}
break;
- case 18: /* Extension path - Not yet supported */
+ case 18: /* Extension path - Not yet supported */
/*
* This can be used to send the information of the
* vendor area in another file that the client can
* access via TFTP.
*/
break;
- /* IP host layer fields */
- case 40: /* NIS Domain name */
+ /* IP host layer fields */
+ case 40: /* NIS Domain name */
if (NetOurNISDomain[0] == 0) {
- size = truncate_sz ("NIS Domain Name",
- sizeof(NetOurNISDomain),
- size);
- memcpy(&NetOurNISDomain, ext+2, size);
- NetOurNISDomain[size] = 0 ;
+ size = truncate_sz ("NIS Domain Name", sizeof (NetOurNISDomain), size);
+ memcpy (&NetOurNISDomain, ext + 2, size);
+ NetOurNISDomain[size] = 0;
}
break;
- /* Application layer fields */
- case 43: /* Vendor specific info - Not yet supported */
+ /* Application layer fields */
+ case 43: /* Vendor specific info - Not yet supported */
/*
* Binary information to exchange specific
* product information.
*/
break;
- /* Reserved (custom) fields (128..254) */
- }
+ /* Reserved (custom) fields (128..254) */
+ }
}
-static void BootpVendorProcess(u8 *ext, int size)
+static void BootpVendorProcess (u8 * ext, int size)
{
- u8 *end = ext + size ;
+ u8 *end = ext + size;
- debug_ext ("[BOOTP] Checking extension (%d bytes)...\n", size);
+ debug_ext ("[BOOTP] Checking extension (%d bytes)...\n", size);
- while ((ext < end) && (*ext != 0xff)) {
- if (*ext == 0) {
- ext ++ ;
- } else {
- u8 *opt = ext ;
- ext += ext[1] + 2 ;
- if (ext <= end)
- BootpVendorFieldProcess (opt) ;
+ while ((ext < end) && (*ext != 0xff)) {
+ if (*ext == 0) {
+ ext++;
+ } else {
+ u8 *opt = ext;
+
+ ext += ext[1] + 2;
+ if (ext <= end)
+ BootpVendorFieldProcess (opt);
+ }
}
- }
#ifdef DEBUG_BOOTP_EXT
- printf("[BOOTP] Received fields: \n");
- if (NetOurSubnetMask) {
- puts ("NetOurSubnetMask : ");
- print_IPaddr (NetOurSubnetMask);
- putc('\n');
- }
-
- if (NetOurGatewayIP) {
- puts ("NetOurGatewayIP : ");
- print_IPaddr (NetOurGatewayIP);
- putc('\n');
- }
-
- if (NetBootFileSize) {
- printf("NetBootFileSize : %d\n", NetBootFileSize);
- }
-
- if (NetOurHostName[0]) {
- printf("NetOurHostName : %s\n", NetOurHostName);
- }
-
- if (NetOurRootPath[0]) {
- printf("NetOurRootPath : %s\n", NetOurRootPath);
- }
-
- if (NetOurNISDomain[0]) {
- printf("NetOurNISDomain : %s\n", NetOurNISDomain);
- }
-
- if (NetBootFileSize) {
- printf("NetBootFileSize: %d\n", NetBootFileSize);
- }
-#endif /* DEBUG_BOOTP_EXT */
-}
+ printf ("[BOOTP] Received fields: \n");
+ if (NetOurSubnetMask) {
+ puts ("NetOurSubnetMask : ");
+ print_IPaddr (NetOurSubnetMask);
+ putc ('\n');
+ }
+
+ if (NetOurGatewayIP) {
+ puts ("NetOurGatewayIP : ");
+ print_IPaddr (NetOurGatewayIP);
+ putc ('\n');
+ }
+
+ if (NetBootFileSize) {
+ printf ("NetBootFileSize : %d\n", NetBootFileSize);
+ }
+ if (NetOurHostName[0]) {
+ printf ("NetOurHostName : %s\n", NetOurHostName);
+ }
+
+ if (NetOurRootPath[0]) {
+ printf ("NetOurRootPath : %s\n", NetOurRootPath);
+ }
+
+ if (NetOurNISDomain[0]) {
+ printf ("NetOurNISDomain : %s\n", NetOurNISDomain);
+ }
+
+ if (NetBootFileSize) {
+ printf ("NetBootFileSize: %d\n", NetBootFileSize);
+ }
+#endif /* DEBUG_BOOTP_EXT */
+}
/*
* Handle a BOOTP received packet.
*/
bp = (Bootp_t *)pkt;
- if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */
+ if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */
return;
/*
- * Got a good BOOTP reply. Copy the data into our variables.
+ * Got a good BOOTP reply. Copy the data into our variables.
*/
#ifdef CONFIG_STATUS_LED
status_led_set (STATUS_LED_BOOT, STATUS_LED_OFF);
* Initialize BOOTP extension fields in the request.
*/
#if (CONFIG_COMMANDS & CFG_CMD_DHCP)
-static int DhcpExtended(u8 *e, int message_type, IPaddr_t ServerID, IPaddr_t RequestedIP)
+static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t RequestedIP)
{
- u8 *start = e ;
- u8 *cnt;
+ u8 *start = e;
+ u8 *cnt;
+
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX)
- u8 *x;
+ u8 *x;
#endif
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SEND_HOSTNAME)
- uchar *hostname;
+ uchar *hostname;
#endif
- *e++ = 99; /* RFC1048 Magic Cookie */
- *e++ = 130;
- *e++ = 83;
- *e++ = 99;
-
- *e++ = 53; /* DHCP Message Type */
- *e++ = 1;
- *e++ = message_type;
+ *e++ = 99; /* RFC1048 Magic Cookie */
+ *e++ = 130;
+ *e++ = 83;
+ *e++ = 99;
- *e++ = 57; /* Maximum DHCP Message Size */
- *e++ = 2;
- *e++ = (576-312+OPT_SIZE) >> 8;
- *e++ = (576-312+OPT_SIZE) & 0xff;
+ *e++ = 53; /* DHCP Message Type */
+ *e++ = 1;
+ *e++ = message_type;
- if ( ServerID ) {
- int tmp = ntohl(ServerID);
+ *e++ = 57; /* Maximum DHCP Message Size */
+ *e++ = 2;
+ *e++ = (576 - 312 + OPT_SIZE) >> 8;
+ *e++ = (576 - 312 + OPT_SIZE) & 0xff;
- *e++ = 54; /* ServerID */
- *e++ = 4;
- *e++ = tmp >> 24;
- *e++ = tmp >> 16;
- *e++ = tmp >> 8;
- *e++ = tmp & 0xff;
- }
+ if (ServerID) {
+ int tmp = ntohl (ServerID);
- if ( RequestedIP ) {
- int tmp = ntohl(RequestedIP);
+ *e++ = 54; /* ServerID */
+ *e++ = 4;
+ *e++ = tmp >> 24;
+ *e++ = tmp >> 16;
+ *e++ = tmp >> 8;
+ *e++ = tmp & 0xff;
+ }
- *e++ = 50; /* Requested IP */
- *e++ = 4;
- *e++ = tmp >> 24;
- *e++ = tmp >> 16;
- *e++ = tmp >> 8;
- *e++ = tmp & 0xff;
- }
+ if (RequestedIP) {
+ int tmp = ntohl (RequestedIP);
+ *e++ = 50; /* Requested IP */
+ *e++ = 4;
+ *e++ = tmp >> 24;
+ *e++ = tmp >> 16;
+ *e++ = tmp >> 8;
+ *e++ = tmp & 0xff;
+ }
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SEND_HOSTNAME)
- if ( (hostname = getenv("hostname")) ) {
- int hostnamelen = strlen(hostname);
- *e++ = 12; /* Hostname */
- *e++ = hostnamelen;
- memcpy(e,hostname,hostnamelen);
- e += hostnamelen;
- }
+ if ((hostname = getenv ("hostname"))) {
+ int hostnamelen = strlen (hostname);
+
+ *e++ = 12; /* Hostname */
+ *e++ = hostnamelen;
+ memcpy (e, hostname, hostnamelen);
+ e += hostnamelen;
+ }
#endif
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX)
- if ((x = dhcp_vendorex_prep (e)))
- return x - start ;
+ if ((x = dhcp_vendorex_prep (e)))
+ return x - start;
#endif
- *e++ = 55; /* Parameter Request List */
- cnt = e++; /* Pointer to count of requested items */
- *cnt = 0;
+ *e++ = 55; /* Parameter Request List */
+ cnt = e++; /* Pointer to count of requested items */
+ *cnt = 0;
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SUBNETMASK)
- *e++ = 1; /* Subnet Mask */
- *cnt += 1;
+ *e++ = 1; /* Subnet Mask */
+ *cnt += 1;
#endif
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_GATEWAY)
- *e++ = 3; /* Router Option */
- *cnt += 1;
+ *e++ = 3; /* Router Option */
+ *cnt += 1;
#endif
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS)
- *e++ = 6; /* DNS Server(s) */
- *cnt += 1;
+ *e++ = 6; /* DNS Server(s) */
+ *cnt += 1;
#endif
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_HOSTNAME)
- *e++ = 12; /* Hostname */
- *cnt += 1;
+ *e++ = 12; /* Hostname */
+ *cnt += 1;
#endif
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTFILESIZE)
- *e++ = 13; /* Boot File Size */
- *cnt += 1;
+ *e++ = 13; /* Boot File Size */
+ *cnt += 1;
#endif
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTPATH)
- *e++ = 17; /* Boot path */
- *cnt += 1;
+ *e++ = 17; /* Boot path */
+ *cnt += 1;
#endif
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_NISDOMAIN)
- *e++ = 40; /* NIS Domain name request */
- *cnt += 1;
+ *e++ = 40; /* NIS Domain name request */
+ *cnt += 1;
#endif
- *e++ = 255; /* End of the list */
+ *e++ = 255; /* End of the list */
- /* Pad to minimal length */
+ /* Pad to minimal length */
#ifdef CONFIG_DHCP_MIN_EXT_LEN
- while ((e - start) <= CONFIG_DHCP_MIN_EXT_LEN)
- *e++ = 0;
+ while ((e - start) <= CONFIG_DHCP_MIN_EXT_LEN)
+ *e++ = 0;
#endif
- return e - start ;
+ return e - start;
}
#else /* CFG_CMD_DHCP */
/*
* Warning: no field size check - change CONFIG_BOOTP_MASK at your own risk!
*/
-static int BootpExtended (u8 *e)
+static int BootpExtended (u8 * e)
{
- u8 *start = e ;
+ u8 *start = e;
- *e++ = 99; /* RFC1048 Magic Cookie */
- *e++ = 130;
- *e++ = 83;
- *e++ = 99;
+ *e++ = 99; /* RFC1048 Magic Cookie */
+ *e++ = 130;
+ *e++ = 83;
+ *e++ = 99;
#if (CONFIG_COMMANDS & CFG_CMD_DHCP)
- *e++ = 53; /* DHCP Message Type */
- *e++ = 1;
- *e++ = DHCP_DISCOVER;
-
- *e++ = 57; /* Maximum DHCP Message Size */
- *e++ = 2;
- *e++ = (576-312+OPT_SIZE) >> 16;
- *e++ = (576-312+OPT_SIZE) & 0xff;
-#endif /* CFG_CMD_DHCP */
+ *e++ = 53; /* DHCP Message Type */
+ *e++ = 1;
+ *e++ = DHCP_DISCOVER;
+
+ *e++ = 57; /* Maximum DHCP Message Size */
+ *e++ = 2;
+ *e++ = (576 - 312 + OPT_SIZE) >> 16;
+ *e++ = (576 - 312 + OPT_SIZE) & 0xff;
+#endif /* CFG_CMD_DHCP */
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_SUBNETMASK)
- *e++ = 1; /* Subnet mask request */
- *e++ = 4;
- e += 4;
+ *e++ = 1; /* Subnet mask request */
+ *e++ = 4;
+ e += 4;
#endif
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_GATEWAY)
- *e++ = 3; /* Default gateway request */
- *e++ = 4;
- e += 4;
+ *e++ = 3; /* Default gateway request */
+ *e++ = 4;
+ e += 4;
#endif
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS)
- *e++ = 6; /* Domain Name Server */
- *e++ = 4;
- e += 4;
+ *e++ = 6; /* Domain Name Server */
+ *e++ = 4;
+ e += 4;
#endif
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_HOSTNAME)
- *e++ = 12; /* Host name request */
- *e++ = 32;
- e += 32;
+ *e++ = 12; /* Host name request */
+ *e++ = 32;
+ e += 32;
#endif
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTFILESIZE)
- *e++ = 13; /* Boot file size */
- *e++ = 2;
- e += 2;
+ *e++ = 13; /* Boot file size */
+ *e++ = 2;
+ e += 2;
#endif
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_BOOTPATH)
- *e++ = 17; /* Boot path */
- *e++ = 32;
- e += 32;
+ *e++ = 17; /* Boot path */
+ *e++ = 32;
+ e += 32;
#endif
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_NISDOMAIN)
- *e++ = 40; /* NIS Domain name request */
- *e++ = 32;
- e += 32;
+ *e++ = 40; /* NIS Domain name request */
+ *e++ = 32;
+ e += 32;
#endif
- *e++ = 255; /* End of the list */
+ *e++ = 255; /* End of the list */
- return e - start ;
+ return e - start;
}
#endif /* CFG_CMD_DHCP */
| ((ulong)NetOurEther[4] << 8)
| (ulong)NetOurEther[5];
BootpID += get_timer(0);
- BootpID = htonl(BootpID);
+ BootpID = htonl(BootpID);
NetCopyLong(&bp->bp_id, &BootpID);
/*
}
#if (CONFIG_COMMANDS & CFG_CMD_DHCP)
-static void DhcpOptionsProcess(uchar *popt)
+static void DhcpOptionsProcess (uchar * popt)
{
uchar *end = popt + BOOTP_HDR_SIZE;
int oplen, size;
- while ( popt < end && *popt != 0xff ) {
+ while (popt < end && *popt != 0xff) {
oplen = *(popt + 1);
- switch(*popt) {
- case 1:
- NetCopyIP(&NetOurSubnetMask, (popt+2));
- break;
- case 3:
- NetCopyIP(&NetOurGatewayIP, (popt+2));
- break;
- case 6:
- NetCopyIP(&NetOurDNSIP, (popt+2));
+ switch (*popt) {
+ case 1:
+ NetCopyIP (&NetOurSubnetMask, (popt + 2));
+ break;
+ case 3:
+ NetCopyIP (&NetOurGatewayIP, (popt + 2));
+ break;
+ case 6:
+ NetCopyIP (&NetOurDNSIP, (popt + 2));
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2)
- if ( *(popt+1) > 4 ) {
- NetCopyIP(&NetOurDNS2IP, (popt+2+4));
- }
+ if (*(popt + 1) > 4) {
+ NetCopyIP (&NetOurDNS2IP, (popt + 2 + 4));
+ }
#endif
- break;
- case 12:
- size = truncate_sz ("Host Name",
- sizeof(NetOurHostName),
- oplen);
- memcpy(&NetOurHostName, popt+2, size);
- NetOurHostName[size] = 0 ;
- break;
- case 15: /* Ignore Domain Name Option */
- break;
- case 17:
- size = truncate_sz ("Root Path",
- sizeof(NetOurRootPath),
- oplen);
- memcpy(&NetOurRootPath, popt+2, size);
- NetOurRootPath[size] = 0 ;
- break;
- case 51:
- NetCopyLong (&dhcp_leasetime, (ulong *)(popt + 2));
- break;
- case 53: /* Ignore Message Type Option */
- break;
- case 54:
- NetCopyIP(&NetDHCPServerIP, (popt+2));
- break;
- case 58: /* Ignore Renewal Time Option */
- break;
- case 59: /* Ignore Rebinding Time Option */
- break;
- default:
+ break;
+ case 12:
+ size = truncate_sz ("Host Name", sizeof (NetOurHostName), oplen);
+ memcpy (&NetOurHostName, popt + 2, size);
+ NetOurHostName[size] = 0;
+ break;
+ case 15: /* Ignore Domain Name Option */
+ break;
+ case 17:
+ size = truncate_sz ("Root Path", sizeof (NetOurRootPath), oplen);
+ memcpy (&NetOurRootPath, popt + 2, size);
+ NetOurRootPath[size] = 0;
+ break;
+ case 51:
+ NetCopyLong (&dhcp_leasetime, (ulong *) (popt + 2));
+ break;
+ case 53: /* Ignore Message Type Option */
+ break;
+ case 54:
+ NetCopyIP (&NetDHCPServerIP, (popt + 2));
+ break;
+ case 58: /* Ignore Renewal Time Option */
+ break;
+ case 59: /* Ignore Rebinding Time Option */
+ break;
+ default:
#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_VENDOREX)
- if (dhcp_vendorex_proc(popt))
+ if (dhcp_vendorex_proc (popt))
break;
#endif
- printf("*** Unhandled DHCP Option in OFFER/ACK: %d\n",
- *popt);
- break;
+ printf ("*** Unhandled DHCP Option in OFFER/ACK: %d\n", *popt);
+ break;
}
popt += oplen + 2; /* Process next option */
}
debug ("DHCPHandler: got packet: (src=%d, dst=%d, len=%d) state: %d\n",
src, dest, len, dhcp_state);
- if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */
+ if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */
return;
debug ("DHCPHandler: got DHCP packet: (src=%d, dst=%d, len=%d) state: %d\n",
if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC))
DhcpOptionsProcess(&bp->bp_vend[4]);
- BootpCopyNetParams(bp); /* Store net params from reply */
+ BootpCopyNetParams(bp); /* Store net params from reply */
NetSetTimeout(TIMEOUT * CFG_HZ, BootpTimeout);
DhcpSendRequestPkt(bp);
if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC))
DhcpOptionsProcess(&bp->bp_vend[4]);
- BootpCopyNetParams(bp); /* Store net params from reply */
+ BootpCopyNetParams(bp); /* Store net params from reply */
dhcp_state = BOUND;
printf("DHCP client bound to address ");
print_IPaddr(NetOurIP);
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