ap920t_config \
ap926ejs_config \
ap946es_config: unconfig
- @board/integratorap/split_by_variant.sh $@
+ @board/armltd/integratorap/split_by_variant.sh $@
integratorcp_config \
cp_config \
cp922_config \
cp922_XA10_config \
cp1026_config: unconfig
- @board/integratorcp/split_by_variant.sh $@
+ @board/armltd/integratorcp/split_by_variant.sh $@
davinci_dvevm_config : unconfig
@$(MKCONFIG) $(@:_config=) arm arm926ejs dvevm davinci davinci
versatile_config \
versatileab_config \
versatilepb_config : unconfig
- @board/versatile/split_by_variant.sh $@
+ @board/armltd/versatile/split_by_variant.sh $@
voiceblue_config: unconfig
@$(MKCONFIG) $(@:_config=) arm arm925t voiceblue
--- /dev/null
+/integratorap/u-boot.lds
+/integratorcp/u-boot.lds
--- /dev/null
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2004
+# ARM Ltd.
+# Philippe Robin, <philippe.robin@arm.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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS := integratorap.o flash.o
+SOBJS := lowlevel_init.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+#
+# image should be loaded at 0x01000000
+#
+
+TEXT_BASE = 0x01000000
+
+ifneq ($(OBJTREE),$(SRCTREE))
+# We are building u-boot in a separate directory, use generated
+# .lds script from OBJTREE directory.
+LDSCRIPT := $(OBJTREE)/board/$(BOARDDIR)/u-boot.lds
+endif
--- /dev/null
+/*
+ * (C) Copyright 2001
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2001-2004
+ * 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>
+#include <linux/byteorder/swab.h>
+
+#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 256 KB sectors (x2) */
+flash_info_t flash_info[CONFIG_SYS_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")
+
+
+/* Flash Organization Structure */
+typedef struct OrgDef {
+ unsigned int sector_number;
+ unsigned int sector_size;
+} OrgDef;
+
+
+/* Flash Organizations */
+OrgDef OrgIntel_28F256L18T[] = {
+ {4, 32 * 1024}, /* 4 * 32kBytes sectors */
+ {255, 128 * 1024}, /* 255 * 128kBytes sectors */
+};
+
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+unsigned long flash_init (void);
+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);
+void flash_print_info (flash_info_t * info);
+void flash_unprotect_sectors (FPWV * addr);
+int flash_erase (flash_info_t * info, int s_first, int s_last);
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt);
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+ int i;
+ ulong size = 0;
+ for (i = 0; i < CONFIG_SYS_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;
+ default:
+ panic ("configured too many flash banks!\n");
+ break;
+ }
+ size += flash_info[i].size;
+ }
+
+ /* Protect monitor and environment sectors
+ */
+ flash_protect (FLAG_PROTECT_SET,
+ CONFIG_SYS_FLASH_BASE,
+ CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1, &flash_info[0]);
+
+ return size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_get_offsets (ulong base, flash_info_t * info)
+{
+ int i;
+ OrgDef *pOrgDef;
+
+ pOrgDef = OrgIntel_28F256L18T;
+ if (info->flash_id == FLASH_UNKNOWN) {
+ return;
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
+ for (i = 0; i < info->sector_count; i++) {
+ if (i > 255) {
+ info->start[i] = base + (i * 0x8000);
+ info->protect[i] = 0;
+ } else {
+ 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_28F256L18T:
+ printf ("FLASH 28F256L18T\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_28F256L18T):
+ info->flash_id += FLASH_28F256L18T;
+ info->sector_count = 259;
+ info->size = 0x02000000;
+ break; /* => 32 MB */
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ break;
+ }
+
+ if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
+ printf ("** ERROR: sector count %d > max (%d) **\n",
+ info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
+ info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
+ }
+
+ addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
+
+ return (info->size);
+}
+
+
+/* unprotects a sector for write and erase
+ * on some intel parts, this unprotects the entire chip, but it
+ * wont hurt to call this additional times per sector...
+ */
+void flash_unprotect_sectors (FPWV * addr)
+{
+#define PD_FINTEL_WSMS_READY_MASK 0x0080
+
+ *addr = (FPW) 0x00500050; /* clear status register */
+
+ /* this sends the clear lock bit command */
+ *addr = (FPW) 0x00600060;
+ *addr = (FPW) 0x00D000D0;
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+
+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);
+
+ flash_unprotect_sectors (addr);
+
+ /* 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 () >
+ CONFIG_SYS_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ /* suspend erase */
+ *addr = (FPW) 0x00B000B0;
+ /* reset to read mode */
+ *addr = (FPW) 0x00FF00FF;
+ rcode = 1;
+ break;
+ }
+ }
+
+ /* clear status register cmd. */
+ *addr = (FPW) 0x00500050;
+ *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);
+ }
+ flash_unprotect_sectors (addr);
+ /* 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 () > CONFIG_SYS_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
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij@ti.com>
+ *
+ * (C) Copyright 2004
+ * ARM Ltd.
+ * Philippe Robin, <philippe.robin@arm.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>
+
+#ifdef CONFIG_PCI
+#include <pci.h>
+#endif
+
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void flash__init (void);
+void ether__init (void);
+void peripheral_power_enable (void);
+
+#if defined(CONFIG_SHOW_BOOT_PROGRESS)
+void show_boot_progress(int progress)
+{
+ printf("Boot reached stage %d\n", progress);
+}
+#endif
+
+#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)
+
+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)
+{
+ /* arch number of Integrator Board */
+ gd->bd->bi_arch_number = MACH_TYPE_INTEGRATOR;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0x00000100;
+
+ gd->flags = 0;
+
+#ifdef CONFIG_CM_REMAP
+extern void cm_remap(void);
+ cm_remap(); /* remaps writeable memory to 0x00000000 */
+#endif
+
+ icache_enable ();
+
+ flash__init ();
+ return 0;
+}
+
+
+int misc_init_r (void)
+{
+#ifdef CONFIG_PCI
+ pci_init();
+#endif
+ setenv("verify", "n");
+ return (0);
+}
+
+/*
+ * Initialize PCI Devices, report devices found.
+ */
+#ifdef CONFIG_PCI
+
+#ifndef CONFIG_PCI_PNP
+
+static struct pci_config_table pci_integrator_config_table[] = {
+ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0f, PCI_ANY_ID,
+ pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
+ PCI_ENET0_MEMADDR,
+ PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }},
+ { }
+};
+#endif
+
+/* V3 access routines */
+#define _V3Write16(o,v) (*(volatile unsigned short *)(PCI_V3_BASE + (unsigned int)(o)) = (unsigned short)(v))
+#define _V3Read16(o) (*(volatile unsigned short *)(PCI_V3_BASE + (unsigned int)(o)))
+
+#define _V3Write32(o,v) (*(volatile unsigned int *)(PCI_V3_BASE + (unsigned int)(o)) = (unsigned int)(v))
+#define _V3Read32(o) (*(volatile unsigned int *)(PCI_V3_BASE + (unsigned int)(o)))
+
+/* Compute address necessary to access PCI config space for the given */
+/* bus and device. */
+#define PCI_CONFIG_ADDRESS( __bus, __devfn, __offset ) ({ \
+ unsigned int __address, __devicebit; \
+ unsigned short __mapaddress; \
+ unsigned int __dev = PCI_DEV (__devfn); /* FIXME to check!! (slot?) */ \
+ \
+ if (__bus == 0) { \
+ /* local bus segment so need a type 0 config cycle */ \
+ /* build the PCI configuration "address" with one-hot in A31-A11 */ \
+ __address = PCI_CONFIG_BASE; \
+ __address |= ((__devfn & 0x07) << 8); \
+ __address |= __offset & 0xFF; \
+ __mapaddress = 0x000A; /* 101=>config cycle, 0=>A1=A0=0 */ \
+ __devicebit = (1 << (__dev + 11)); \
+ \
+ if ((__devicebit & 0xFF000000) != 0) { \
+ /* high order bits are handled by the MAP register */ \
+ __mapaddress |= (__devicebit >> 16); \
+ } else { \
+ /* low order bits handled directly in the address */ \
+ __address |= __devicebit; \
+ } \
+ } else { /* bus !=0 */ \
+ /* not the local bus segment so need a type 1 config cycle */ \
+ /* A31-A24 are don't care (so clear to 0) */ \
+ __mapaddress = 0x000B; /* 101=>config cycle, 1=>A1&A0 from PCI_CFG */ \
+ __address = PCI_CONFIG_BASE; \
+ __address |= ((__bus & 0xFF) << 16); /* bits 23..16 = bus number */ \
+ __address |= ((__dev & 0x1F) << 11); /* bits 15..11 = device number */ \
+ __address |= ((__devfn & 0x07) << 8); /* bits 10..8 = function number */ \
+ __address |= __offset & 0xFF; /* bits 7..0 = register number */ \
+ } \
+ _V3Write16 (V3_LB_MAP1, __mapaddress); \
+ __address; \
+})
+
+/* _V3OpenConfigWindow - open V3 configuration window */
+#define _V3OpenConfigWindow() { \
+ /* Set up base0 to see all 512Mbytes of memory space (not */ \
+ /* prefetchable), this frees up base1 for re-use by configuration*/ \
+ /* memory */ \
+ \
+ _V3Write32 (V3_LB_BASE0, ((INTEGRATOR_PCI_BASE & 0xFFF00000) | \
+ 0x90 | V3_LB_BASE_M_ENABLE)); \
+ /* Set up base1 to point into configuration space, note that MAP1 */ \
+ /* register is set up by pciMakeConfigAddress(). */ \
+ \
+ _V3Write32 (V3_LB_BASE1, ((CPU_PCI_CNFG_ADRS & 0xFFF00000) | \
+ 0x40 | V3_LB_BASE_M_ENABLE)); \
+}
+
+/* _V3CloseConfigWindow - close V3 configuration window */
+#define _V3CloseConfigWindow() { \
+ /* Reassign base1 for use by prefetchable PCI memory */ \
+ _V3Write32 (V3_LB_BASE1, (((INTEGRATOR_PCI_BASE + 0x10000000) & 0xFFF00000) \
+ | 0x84 | V3_LB_BASE_M_ENABLE)); \
+ _V3Write16 (V3_LB_MAP1, \
+ (((INTEGRATOR_PCI_BASE + 0x10000000) & 0xFFF00000) >> 16) | 0x0006); \
+ \
+ /* And shrink base0 back to a 256M window (NOTE: MAP0 already correct) */ \
+ \
+ _V3Write32 (V3_LB_BASE0, ((INTEGRATOR_PCI_BASE & 0xFFF00000) | \
+ 0x80 | V3_LB_BASE_M_ENABLE)); \
+}
+
+static int pci_integrator_read_byte (struct pci_controller *hose, pci_dev_t dev,
+ int offset, unsigned char *val)
+{
+ _V3OpenConfigWindow ();
+ *val = *(volatile unsigned char *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
+ PCI_FUNC (dev),
+ offset);
+ _V3CloseConfigWindow ();
+
+ return 0;
+}
+
+static int pci_integrator_read__word (struct pci_controller *hose,
+ pci_dev_t dev, int offset,
+ unsigned short *val)
+{
+ _V3OpenConfigWindow ();
+ *val = *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
+ PCI_FUNC (dev),
+ offset);
+ _V3CloseConfigWindow ();
+
+ return 0;
+}
+
+static int pci_integrator_read_dword (struct pci_controller *hose,
+ pci_dev_t dev, int offset,
+ unsigned int *val)
+{
+ _V3OpenConfigWindow ();
+ *val = *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
+ PCI_FUNC (dev),
+ offset);
+ *val |= (*(volatile unsigned int *)
+ PCI_CONFIG_ADDRESS (PCI_BUS (dev), PCI_FUNC (dev),
+ (offset + 2))) << 16;
+ _V3CloseConfigWindow ();
+
+ return 0;
+}
+
+static int pci_integrator_write_byte (struct pci_controller *hose,
+ pci_dev_t dev, int offset,
+ unsigned char val)
+{
+ _V3OpenConfigWindow ();
+ *(volatile unsigned char *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
+ PCI_FUNC (dev),
+ offset) = val;
+ _V3CloseConfigWindow ();
+
+ return 0;
+}
+
+static int pci_integrator_write_word (struct pci_controller *hose,
+ pci_dev_t dev, int offset,
+ unsigned short val)
+{
+ _V3OpenConfigWindow ();
+ *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
+ PCI_FUNC (dev),
+ offset) = val;
+ _V3CloseConfigWindow ();
+
+ return 0;
+}
+
+static int pci_integrator_write_dword (struct pci_controller *hose,
+ pci_dev_t dev, int offset,
+ unsigned int val)
+{
+ _V3OpenConfigWindow ();
+ *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
+ PCI_FUNC (dev),
+ offset) = (val & 0xFFFF);
+ *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
+ PCI_FUNC (dev),
+ (offset + 2)) = ((val >> 16) & 0xFFFF);
+ _V3CloseConfigWindow ();
+
+ return 0;
+}
+/******************************
+ * PCI initialisation
+ ******************************/
+
+struct pci_controller integrator_hose = {
+#ifndef CONFIG_PCI_PNP
+ config_table: pci_integrator_config_table,
+#endif
+};
+
+void pci_init_board (void)
+{
+ volatile int i, j;
+ struct pci_controller *hose = &integrator_hose;
+
+ /* setting this register will take the V3 out of reset */
+
+ *(volatile unsigned int *) (INTEGRATOR_SC_PCIENABLE) = 1;
+
+ /* wait a few usecs to settle the device and the PCI bus */
+
+ for (i = 0; i < 100; i++)
+ j = i + 1;
+
+ /* Now write the Base I/O Address Word to V3_BASE + 0x6C */
+
+ *(volatile unsigned short *) (V3_BASE + V3_LB_IO_BASE) =
+ (unsigned short) (V3_BASE >> 16);
+
+ do {
+ *(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA) = 0xAA;
+ *(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA + 4) =
+ 0x55;
+ } while (*(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA) != 0xAA
+ || *(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA +
+ 4) != 0x55);
+
+ /* Make sure that V3 register access is not locked, if it is, unlock it */
+
+ if ((*(volatile unsigned short *) (V3_BASE + V3_SYSTEM) &
+ V3_SYSTEM_M_LOCK)
+ == V3_SYSTEM_M_LOCK)
+ *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) = 0xA05F;
+
+ /* Ensure that the slave accesses from PCI are disabled while we */
+ /* setup windows */
+
+ *(volatile unsigned short *) (V3_BASE + V3_PCI_CMD) &=
+ ~(V3_COMMAND_M_MEM_EN | V3_COMMAND_M_IO_EN);
+
+ /* Clear RST_OUT to 0; keep the PCI bus in reset until we've finished */
+
+ *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) &=
+ ~V3_SYSTEM_M_RST_OUT;
+
+ /* Make all accesses from PCI space retry until we're ready for them */
+
+ *(volatile unsigned short *) (V3_BASE + V3_PCI_CFG) |=
+ V3_PCI_CFG_M_RETRY_EN;
+
+ /* Set up any V3 PCI Configuration Registers that we absolutely have to */
+ /* LB_CFG controls Local Bus protocol. */
+ /* Enable LocalBus byte strobes for READ accesses too. */
+ /* set bit 7 BE_IMODE and bit 6 BE_OMODE */
+
+ *(volatile unsigned short *) (V3_BASE + V3_LB_CFG) |= 0x0C0;
+
+ /* PCI_CMD controls overall PCI operation. */
+ /* Enable PCI bus master. */
+
+ *(volatile unsigned short *) (V3_BASE + V3_PCI_CMD) |= 0x04;
+
+ /* PCI_MAP0 controls where the PCI to CPU memory window is on Local Bus */
+
+ *(volatile unsigned int *) (V3_BASE + V3_PCI_MAP0) =
+ (INTEGRATOR_BOOT_ROM_BASE) | (V3_PCI_MAP_M_ADR_SIZE_512M |
+ V3_PCI_MAP_M_REG_EN |
+ V3_PCI_MAP_M_ENABLE);
+
+ /* PCI_BASE0 is the PCI address of the start of the window */
+
+ *(volatile unsigned int *) (V3_BASE + V3_PCI_BASE0) =
+ INTEGRATOR_BOOT_ROM_BASE;
+
+ /* PCI_MAP1 is LOCAL address of the start of the window */
+
+ *(volatile unsigned int *) (V3_BASE + V3_PCI_MAP1) =
+ (INTEGRATOR_HDR0_SDRAM_BASE) | (V3_PCI_MAP_M_ADR_SIZE_1024M |
+ V3_PCI_MAP_M_REG_EN |
+ V3_PCI_MAP_M_ENABLE);
+
+ /* PCI_BASE1 is the PCI address of the start of the window */
+
+ *(volatile unsigned int *) (V3_BASE + V3_PCI_BASE1) =
+ INTEGRATOR_HDR0_SDRAM_BASE;
+
+ /* Set up the windows from local bus memory into PCI configuration, */
+ /* I/O and Memory. */
+ /* PCI I/O, LB_BASE2 and LB_MAP2 are used exclusively for this. */
+
+ *(volatile unsigned short *) (V3_BASE + V3_LB_BASE2) =
+ ((CPU_PCI_IO_ADRS >> 24) << 8) | V3_LB_BASE_M_ENABLE;
+ *(volatile unsigned short *) (V3_BASE + V3_LB_MAP2) = 0;
+
+ /* PCI Configuration, use LB_BASE1/LB_MAP1. */
+
+ /* PCI Memory use LB_BASE0/LB_MAP0 and LB_BASE1/LB_MAP1 */
+ /* Map first 256Mbytes as non-prefetchable via BASE0/MAP0 */
+ /* (INTEGRATOR_PCI_BASE == PCI_MEM_BASE) */
+
+ *(volatile unsigned int *) (V3_BASE + V3_LB_BASE0) =
+ INTEGRATOR_PCI_BASE | (0x80 | V3_LB_BASE_M_ENABLE);
+
+ *(volatile unsigned short *) (V3_BASE + V3_LB_MAP0) =
+ ((INTEGRATOR_PCI_BASE >> 20) << 0x4) | 0x0006;
+
+ /* Map second 256 Mbytes as prefetchable via BASE1/MAP1 */
+
+ *(volatile unsigned int *) (V3_BASE + V3_LB_BASE1) =
+ INTEGRATOR_PCI_BASE | (0x84 | V3_LB_BASE_M_ENABLE);
+
+ *(volatile unsigned short *) (V3_BASE + V3_LB_MAP1) =
+ (((INTEGRATOR_PCI_BASE + 0x10000000) >> 20) << 4) | 0x0006;
+
+ /* Allow accesses to PCI Configuration space */
+ /* and set up A1, A0 for type 1 config cycles */
+
+ *(volatile unsigned short *) (V3_BASE + V3_PCI_CFG) =
+ ((*(volatile unsigned short *) (V3_BASE + V3_PCI_CFG)) &
+ ~(V3_PCI_CFG_M_RETRY_EN | V3_PCI_CFG_M_AD_LOW1)) |
+ V3_PCI_CFG_M_AD_LOW0;
+
+ /* now we can allow in PCI MEMORY accesses */
+
+ *(volatile unsigned short *) (V3_BASE + V3_PCI_CMD) =
+ (*(volatile unsigned short *) (V3_BASE + V3_PCI_CMD)) |
+ V3_COMMAND_M_MEM_EN;
+
+ /* Set RST_OUT to take the PCI bus is out of reset, PCI devices can */
+ /* initialise and lock the V3 system register so that no one else */
+ /* can play with it */
+
+ *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) =
+ (*(volatile unsigned short *) (V3_BASE + V3_SYSTEM)) |
+ V3_SYSTEM_M_RST_OUT;
+
+ *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) =
+ (*(volatile unsigned short *) (V3_BASE + V3_SYSTEM)) |
+ V3_SYSTEM_M_LOCK;
+
+ /*
+ * Register the hose
+ */
+ hose->first_busno = 0;
+ hose->last_busno = 0xff;
+
+ /* System memory space */
+ pci_set_region (hose->regions + 0,
+ 0x00000000, 0x40000000, 0x01000000,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* PCI Memory - config space */
+ pci_set_region (hose->regions + 1,
+ 0x00000000, 0x62000000, 0x01000000, PCI_REGION_MEM);
+
+ /* PCI V3 regs */
+ pci_set_region (hose->regions + 2,
+ 0x00000000, 0x61000000, 0x00080000, PCI_REGION_MEM);
+
+ /* PCI I/O space */
+ pci_set_region (hose->regions + 3,
+ 0x00000000, 0x60000000, 0x00010000, PCI_REGION_IO);
+
+ pci_set_ops (hose,
+ pci_integrator_read_byte,
+ pci_integrator_read__word,
+ pci_integrator_read_dword,
+ pci_integrator_write_byte,
+ pci_integrator_write_word, pci_integrator_write_dword);
+
+ hose->region_count = 4;
+
+ pci_register_hose (hose);
+
+ pciauto_config_init (hose);
+ pciauto_config_device (hose, 0);
+
+ hose->last_busno = pci_hose_scan (hose);
+}
+#endif
+
+/******************************
+ Routine:
+ Description:
+******************************/
+void flash__init (void)
+{
+}
+/*************************************************************
+ Routine:ether__init
+ Description: take the Ethernet controller out of reset and wait
+ for the EEPROM load to complete.
+*************************************************************/
+void ether__init (void)
+{
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+int dram_init (void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+#ifdef CONFIG_CM_SPD_DETECT
+ {
+extern void dram_query(void);
+ unsigned long cm_reg_sdram;
+ unsigned long sdram_shift;
+
+ dram_query(); /* Assembler accesses to CM registers */
+ /* Queries the SPD values */
+
+ /* Obtain the SDRAM size from the CM SDRAM register */
+
+ cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM);
+ /* Register SDRAM size
+ *
+ * 0xXXXXXXbbb000bb 16 MB
+ * 0xXXXXXXbbb001bb 32 MB
+ * 0xXXXXXXbbb010bb 64 MB
+ * 0xXXXXXXbbb011bb 128 MB
+ * 0xXXXXXXbbb100bb 256 MB
+ *
+ */
+ sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4;
+ gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift;
+
+ }
+#endif /* CM_SPD_DETECT */
+
+ return 0;
+}
+
+/* The Integrator/AP timer1 is clocked at 24MHz
+ * can be divided by 16 or 256
+ * and is a 16-bit counter
+ */
+/* U-Boot expects a 32 bit timer running at CONFIG_SYS_HZ*/
+static ulong timestamp; /* U-Boot ticks since startup */
+static ulong total_count = 0; /* Total timer count */
+static ulong lastdec; /* Timer reading at last call */
+static ulong div_clock = 256; /* Divisor applied to the timer clock */
+static ulong div_timer = 1; /* Divisor to convert timer reading
+ * change to U-Boot ticks
+ */
+/* CONFIG_SYS_HZ = CONFIG_SYS_HZ_CLOCK/(div_clock * div_timer) */
+
+#define TIMER_LOAD_VAL 0x0000FFFFL
+#define READ_TIMER ((*(volatile ulong *)(CONFIG_SYS_TIMERBASE+4)) & 0x0000FFFFL)
+
+/* all function return values in U-Boot ticks i.e. (1/CONFIG_SYS_HZ) sec
+ * - unless otherwise stated
+ */
+
+/* starts a counter
+ * - the Integrator/AP timer issues an interrupt
+ * each time it reaches zero
+ */
+int interrupt_init (void)
+{
+ /* Load timer with initial value */
+ *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0) = TIMER_LOAD_VAL;
+ /* Set timer to be
+ * enabled 1
+ * free-running 0
+ * XX 00
+ * divider 256 10
+ * XX 00
+ */
+ *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 8) = 0x00000088;
+ total_count = 0;
+ /* init the timestamp and lastdec value */
+ reset_timer_masked();
+
+ div_timer = CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ;
+ div_timer /= div_clock;
+
+ return (0);
+}
+
+/*
+ * timer without interrupts
+ */
+void reset_timer (void)
+{
+ reset_timer_masked ();
+}
+
+ulong get_timer (ulong base_ticks)
+{
+ return get_timer_masked () - base_ticks;
+}
+
+void set_timer (ulong ticks)
+{
+ timestamp = ticks;
+ total_count = ticks * div_timer;
+ reset_timer_masked();
+}
+
+/* delay x useconds */
+void udelay (unsigned long usec)
+{
+ ulong tmo, tmp;
+
+ /* Convert to U-Boot ticks */
+ tmo = usec * CONFIG_SYS_HZ;
+ tmo /= (1000000L);
+
+ tmp = get_timer_masked(); /* get current timestamp */
+ tmo += tmp; /* wake up timestamp */
+
+ while (get_timer_masked () < tmo) { /* loop till event */
+ /*NOP*/;
+ }
+}
+
+void reset_timer_masked (void)
+{
+ /* reset time */
+ lastdec = READ_TIMER; /* capture current decrementer value */
+ timestamp = 0; /* start "advancing" time stamp from 0 */
+}
+
+/* converts the timer reading to U-Boot ticks */
+/* the timestamp is the number of ticks since reset */
+/* This routine does not detect wraps unless called regularly
+ ASSUMES a call at least every 16 seconds to detect every reload */
+ulong get_timer_masked (void)
+{
+ ulong now = READ_TIMER; /* current count */
+
+ if (now > lastdec) {
+ /* Must have wrapped */
+ total_count += lastdec + TIMER_LOAD_VAL + 1 - now;
+ } else {
+ total_count += lastdec - now;
+ }
+ lastdec = now;
+ timestamp = total_count/div_timer;
+
+ return timestamp;
+}
+
+/* waits specified delay value and resets timestamp */
+void udelay_masked (unsigned long usec)
+{
+ udelay(usec);
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+ return get_timer(0);
+}
+
+/*
+ * Return the timebase clock frequency
+ * i.e. how often the timer decrements
+ */
+ulong get_tbclk (void)
+{
+ return CONFIG_SYS_HZ_CLOCK/div_clock;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ return pci_eth_init(bis);
+}
--- /dev/null
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2004, ARM Ltd.
+ * Philippe Robin, <philippe.robin@arm.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 <config.h>
+#include <version.h>
+
+ /* Reset using CM control register */
+.global reset_cpu
+reset_cpu:
+ mov r0, #CM_BASE
+ ldr r1,[r0,#OS_CTRL]
+ orr r1,r1,#CMMASK_RESET
+ str r1,[r0,#OS_CTRL]
+
+reset_failed:
+ b reset_failed
+
+/* Set up the platform, once the cpu has been initialized */
+.globl lowlevel_init
+lowlevel_init:
+ /* If U-Boot has been run after the ARM boot monitor
+ * then all the necessary actions have been done
+ * otherwise we are running from user flash mapped to 0x00000000
+ * --- DO NOT REMAP BEFORE THE CODE HAS BEEN RELOCATED --
+ * Changes to the (possibly soft) reset defaults of the processor
+ * itself should be performed in cpu/arm<>/start.S
+ * This function affects only the core module or board settings
+ */
+
+#ifdef CONFIG_CM_INIT
+ /* CM has an initialization register
+ * - bits in it are wired into test-chip pins to force
+ * reset defaults
+ * - may need to change its contents for U-Boot
+ */
+
+ /* set the desired CM specific value */
+ mov r2,#CMMASK_LOWVEC /* Vectors at 0x00000000 for all */
+
+#if defined (CONFIG_CM10200E) || defined (CONFIG_CM10220E)
+ orr r2,r2,#CMMASK_INIT_102
+#else
+
+#if !defined (CONFIG_CM920T) && !defined (CONFIG_CM920T_ETM) && \
+ !defined (CONFIG_CM940T)
+
+#ifdef CONFIG_CM_MULTIPLE_SSRAM
+ /* set simple mapping */
+ and r2,r2,#CMMASK_MAP_SIMPLE
+#endif /* #ifdef CONFIG_CM_MULTIPLE_SSRAM */
+
+#ifdef CONFIG_CM_TCRAM
+ /* disable TCRAM */
+ and r2,r2,#CMMASK_TCRAM_DISABLE
+#endif /* #ifdef CONFIG_CM_TCRAM */
+
+#if defined (CONFIG_CM926EJ_S) || defined (CONFIG_CM1026EJ_S) || \
+ defined (CONFIG_CM1136JF_S)
+
+ and r2,r2,#CMMASK_LE
+
+#endif /* cpu with little endian initialization */
+
+ orr r2,r2,#CMMASK_CMxx6_COMMON
+
+#endif /* CMxx6 code */
+
+#endif /* ARM102xxE value */
+
+ /* read CM_INIT */
+ mov r0, #CM_BASE
+ ldr r1, [r0, #OS_INIT]
+ /* check against desired bit setting */
+ and r3,r1,r2
+ cmp r3,r2
+ beq init_reg_OK
+
+ /* lock for change */
+ mov r3, #CMVAL_LOCK1
+ add r3,r3,#CMVAL_LOCK2
+ str r3, [r0, #OS_LOCK]
+ /* set desired value */
+ orr r1,r1,r2
+ /* write & relock CM_INIT */
+ str r1, [r0, #OS_INIT]
+ mov r1, #CMVAL_UNLOCK
+ str r1, [r0, #OS_LOCK]
+
+ /* soft reset so new values used */
+ b reset_cpu
+
+init_reg_OK:
+
+#endif /* CONFIG_CM_INIT */
+
+ mov pc, lr
+
+#ifdef CONFIG_CM_SPD_DETECT
+ /* Fast memory is available for the DRAM data
+ * - ensure it has been transferred, then summarize the data
+ * into a CM register
+ */
+.globl dram_query
+dram_query:
+ stmfd r13!,{r4-r6,lr}
+ /* set up SDRAM info */
+ /* - based on example code from the CM User Guide */
+ mov r0, #CM_BASE
+
+readspdbit:
+ ldr r1, [r0, #OS_SDRAM] /* read the SDRAM register */
+ and r1, r1, #0x20 /* mask SPD bit (5) */
+ cmp r1, #0x20 /* test if set */
+ bne readspdbit
+
+setupsdram:
+ add r0, r0, #OS_SPD /* address the copy of the SDP data */
+ ldrb r1, [r0, #3] /* number of row address lines */
+ ldrb r2, [r0, #4] /* number of column address lines */
+ ldrb r3, [r0, #5] /* number of banks */
+ ldrb r4, [r0, #31] /* module bank density */
+ mul r5, r4, r3 /* size of SDRAM (MB divided by 4) */
+ mov r5, r5, ASL#2 /* size in MB */
+ mov r0, #CM_BASE /* reload for later code */
+ cmp r5, #0x10 /* is it 16MB? */
+ bne not16
+ mov r6, #0x2 /* store size and CAS latency of 2 */
+ b writesize
+
+not16:
+ cmp r5, #0x20 /* is it 32MB? */
+ bne not32
+ mov r6, #0x6
+ b writesize
+
+not32:
+ cmp r5, #0x40 /* is it 64MB? */
+ bne not64
+ mov r6, #0xa
+ b writesize
+
+not64:
+ cmp r5, #0x80 /* is it 128MB? */
+ bne not128
+ mov r6, #0xe
+ b writesize
+
+not128:
+ /* if it is none of these sizes then it is either 256MB, or
+ * there is no SDRAM fitted so default to 256MB
+ */
+ mov r6, #0x12
+
+writesize:
+ mov r1, r1, ASL#8 /* row addr lines from SDRAM reg */
+ orr r2, r1, r2, ASL#12 /* OR in column address lines */
+ orr r3, r2, r3, ASL#16 /* OR in number of banks */
+ orr r6, r6, r3 /* OR in size and CAS latency */
+ str r6, [r0, #OS_SDRAM] /* store SDRAM parameters */
+
+#endif /* #ifdef CONFIG_CM_SPD_DETECT */
+
+ ldmfd r13!,{r4-r6,pc} /* back to caller */
+
+#ifdef CONFIG_CM_REMAP
+ /* CM remap bit is operational
+ * - use it to map writeable memory at 0x00000000, in place of flash
+ */
+.globl cm_remap
+cm_remap:
+ stmfd r13!,{r4-r10,lr}
+
+ mov r0, #CM_BASE
+ ldr r1, [r0, #OS_CTRL]
+ orr r1, r1, #CMMASK_REMAP /* set remap and led bits */
+ str r1, [r0, #OS_CTRL]
+
+ /* Now 0x00000000 is writeable, replace the vectors */
+ ldr r0, =_start /* r0 <- start of vectors */
+ ldr r2, =_armboot_start /* r2 <- past vectors */
+ sub r1,r1,r1 /* destination 0x00000000 */
+
+copy_vec:
+ ldmia r0!, {r3-r10} /* copy from source address [r0] */
+ stmia r1!, {r3-r10} /* copy to target address [r1] */
+ cmp r0, r2 /* until source end address [r2] */
+ ble copy_vec
+
+ ldmfd r13!,{r4-r10,pc} /* back to caller */
+
+#endif /* #ifdef CONFIG_CM_REMAP */
--- /dev/null
+#!/bin/sh
+# ---------------------------------------------------------
+# Set the platform defines
+# ---------------------------------------------------------
+echo -n "/* Integrator configuration implied " > tmp.fil
+echo " by Makefile target */" >> tmp.fil
+echo -n "#define CONFIG_INTEGRATOR" >> tmp.fil
+echo " /* Integrator board */" >> tmp.fil
+echo -n "#define CONFIG_ARCH_INTEGRATOR" >> tmp.fil
+echo " 1 /* Integrator/AP */" >> tmp.fil
+# ---------------------------------------------------------
+# Set the core module defines according to Core Module
+# ---------------------------------------------------------
+cpu="arm_intcm"
+variant="unknown core module"
+
+if [ "$1" = "" ]
+then
+ echo "$0:: No parameters - using arm_intcm"
+else
+ case "$1" in
+ ap7_config)
+ cpu="arm_intcm"
+ variant="unported core module CM7TDMI"
+ ;;
+
+ ap966)
+ cpu="arm_intcm"
+ variant="unported core module CM966E-S"
+ ;;
+
+ ap922_config)
+ cpu="arm_intcm"
+ variant="unported core module CM922T"
+ ;;
+
+ integratorap_config | \
+ ap_config)
+ cpu="arm_intcm"
+ variant="unspecified core module"
+ ;;
+
+ ap720t_config)
+ cpu="arm720t"
+ echo -n "#define CONFIG_CM720T" >> tmp.fil
+ echo " 1 /* CPU core is ARM720T */ " >> tmp.fil
+ variant="Core module CM720T"
+ ;;
+
+ ap922_XA10_config)
+ cpu="arm_intcm"
+ variant="unported core module CM922T_XA10"
+ echo -n "#define CONFIG_CM922T_XA10" >> tmp.fil
+ echo " 1 /* CPU core is ARM922T_XA10 */" >> tmp.fil
+ ;;
+
+ ap920t_config)
+ cpu="arm920t"
+ variant="Core module CM920T"
+ echo -n "#define CONFIG_CM920T" >> tmp.fil
+ echo " 1 /* CPU core is ARM920T */" >> tmp.fil
+ ;;
+
+ ap926ejs_config)
+ cpu="arm926ejs"
+ variant="Core module CM926EJ-S"
+ echo -n "#define CONFIG_CM926EJ_S" >> tmp.fil
+ echo " 1 /* CPU core is ARM926EJ-S */ " >> tmp.fil
+ ;;
+
+ ap946es_config)
+ cpu="arm946es"
+ variant="Core module CM946E-S"
+ echo -n "#define CONFIG_CM946E_S" >> tmp.fil
+ echo " 1 /* CPU core is ARM946E-S */ " >> tmp.fil
+ ;;
+
+ *)
+ echo "$0:: Unknown core module"
+ variant="unknown core module"
+ cpu="arm_intcm"
+ ;;
+
+ esac
+fi
+
+if [ "$cpu" = "arm_intcm" ]
+then
+ echo "/* Core module undefined/not ported */" >> tmp.fil
+ echo "#define CONFIG_ARM_INTCM 1" >> tmp.fil
+ echo -n "#undef CONFIG_CM_MULTIPLE_SSRAM" >> tmp.fil
+ echo -n " /* CM may not have " >> tmp.fil
+ echo "multiple SSRAM mapping */" >> tmp.fil
+ echo -n "#undef CONFIG_CM_SPD_DETECT " >> tmp.fil
+ echo -n " /* CM may not support SPD " >> tmp.fil
+ echo "query */" >> tmp.fil
+ echo -n "#undef CONFIG_CM_REMAP " >> tmp.fil
+ echo -n " /* CM may not support " >> tmp.fil
+ echo "remapping */" >> tmp.fil
+ echo -n "#undef CONFIG_CM_INIT " >> tmp.fil
+ echo -n " /* CM may not have " >> tmp.fil
+ echo "initialization reg */" >> tmp.fil
+ echo -n "#undef CONFIG_CM_TCRAM " >> tmp.fil
+ echo " /* CM may not have TCRAM */" >> tmp.fil
+fi
+
+mkdir -p ${obj}include
+mkdir -p ${obj}board/armltd/integratorap
+mv tmp.fil ${obj}include/config.h
+# ---------------------------------------------------------
+# Ensure correct core object loaded first in U-Boot image
+# ---------------------------------------------------------
+sed -r 's/CPU_FILE/cpu\/'$cpu'\/start.o/; s/#.*//' ${src}board/armltd/integratorap/u-boot.lds.template > ${obj}board/armltd/integratorap/u-boot.lds
+# ---------------------------------------------------------
+# Complete the configuration
+# ---------------------------------------------------------
+$MKCONFIG -a integratorap arm $cpu integratorap armltd;
+echo "Variant:: $variant with core $cpu"
+
--- /dev/null
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@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
+ */
+# Template used during configuration to emsure the core module processor code,
+# from CPU_FILE, is placed at the start of the image */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+ . = ALIGN(4);
+ .text :
+ {
+ CPU_FILE (.text)
+ *(.text)
+ }
+ .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 = .;
+}
--- /dev/null
+#
+# (C) Copyright 2000-2006
+# 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 = $(obj)lib$(BOARD).a
+
+COBJS := integratorcp.o flash.o
+SOBJS := lowlevel_init.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+#
+# image should be loaded at 0x01000000
+#
+
+TEXT_BASE = 0x01000000
+
+ifneq ($(OBJTREE),$(SRCTREE))
+# We are building u-boot in a separate directory, use generated
+# .lds script from OBJTREE directory.
+LDSCRIPT := $(OBJTREE)/board/$(BOARDDIR)/u-boot.lds
+endif
--- /dev/null
+/*
+ * (C) Copyright 2004
+ * Xiaogeng (Shawn) Jin, Agilent Technologies, xiaogeng_jin@agilent.com
+ *
+ * (C) Copyright 2001
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2001-2004
+ * 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>
+#include <linux/byteorder/swab.h>
+
+#define DEBUG
+
+#define PHYS_FLASH_SECT_SIZE 0x00040000 /* 256 KB sectors (x2) */
+flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/* Board support for 1 or 2 flash devices */
+#define FLASH_PORT_WIDTH32
+#undef 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")
+
+
+/* Flash Organization Structure */
+typedef struct OrgDef {
+ unsigned int sector_number;
+ unsigned int sector_size;
+} OrgDef;
+
+
+/* Flash Organizations */
+OrgDef OrgIntel_28F256L18T[] = {
+ {4, 32 * 1024}, /* 4 * 32kBytes sectors */
+ {255, 128 * 1024}, /* 255 * 128kBytes sectors */
+};
+
+/* CP control register base address */
+#define CPCR_BASE 0xCB000000
+#define CPCR_EXTRABANK 0x8
+#define CPCR_FLASHSIZE 0x4
+#define CPCR_FLWREN 0x2
+#define CPCR_FLVPPEN 0x1
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+unsigned long flash_init (void);
+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);
+void flash_print_info (flash_info_t * info);
+void flash_unprotect_sectors (FPWV * addr);
+int flash_erase (flash_info_t * info, int s_first, int s_last);
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt);
+
+/*-----------------------------------------------------------------------
+ */
+unsigned long flash_init (void)
+{
+ int i, nbanks;
+ ulong size = 0;
+ vu_long *cpcr = (vu_long *)CPCR_BASE;
+
+ /* Check if there is an extra bank of flash */
+ if (cpcr[1] & CPCR_EXTRABANK)
+ nbanks = 2;
+ else
+ nbanks = 1;
+
+ if (nbanks > CONFIG_SYS_MAX_FLASH_BANKS)
+ nbanks = CONFIG_SYS_MAX_FLASH_BANKS;
+
+ /* Enable flash write */
+ cpcr[1] |= 3;
+
+ for (i = 0; i < nbanks; i++) {
+ flash_get_size ((FPW *)(CONFIG_SYS_FLASH_BASE + size), &flash_info[i]);
+ flash_get_offsets (CONFIG_SYS_FLASH_BASE + size, &flash_info[i]);
+ size += flash_info[i].size;
+ }
+
+#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
+ /* monitor protection */
+ flash_protect (FLAG_PROTECT_SET,
+ CONFIG_SYS_MONITOR_BASE,
+ CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, &flash_info[0]);
+#endif
+
+#ifdef CONFIG_ENV_IS_IN_FLASH
+ /* ENV protection ON */
+ flash_protect(FLAG_PROTECT_SET,
+ CONFIG_ENV_ADDR,
+ CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
+ &flash_info[0]);
+#endif
+
+ /* Protect SIB (0x24800000) and bootMonitor (0x24c00000) */
+ flash_protect (FLAG_PROTECT_SET,
+ flash_info[0].start[62],
+ flash_info[0].start[63] + PHYS_FLASH_SECT_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;
+ }
+
+ /* Integrator CP board uses 28F640J3C or 28F128J3C parts,
+ * which have the same device id numbers as 28F640J3A or
+ * 28F128J3A
+ */
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_28F256L18T:
+ printf ("FLASH 28F256L18T\n");
+ break;
+ case FLASH_28F640J3A:
+ printf ("FLASH 28F640J3C\n");
+ break;
+ case FLASH_28F128J3A:
+ printf ("FLASH 28F128J3C\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;
+ vu_long *cpcr = (vu_long *)CPCR_BASE;
+ int nsects;
+
+ /* Check the flash size */
+ if (cpcr[1] & CPCR_FLASHSIZE)
+ nsects = 128;
+ else
+ nsects = 64;
+
+ if (nsects > CONFIG_SYS_MAX_FLASH_SECT)
+ nsects = CONFIG_SYS_MAX_FLASH_SECT;
+
+ /* 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_28F256L18T):
+ info->flash_id += FLASH_28F256L18T;
+ info->sector_count = 259;
+ info->size = 0x02000000;
+ break; /* => 32 MB */
+
+ case (FPW) (INTEL_ID_28F640J3A):
+ info->flash_id += FLASH_28F640J3A;
+ info->sector_count = nsects;
+ info->size = nsects * PHYS_FLASH_SECT_SIZE;
+ break;
+
+ case (FPW) (INTEL_ID_28F128J3A):
+ info->flash_id += FLASH_28F128J3A;
+ info->sector_count = nsects;
+ info->size = nsects * PHYS_FLASH_SECT_SIZE;
+ break;
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ break;
+ }
+
+ if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
+ printf ("** ERROR: sector count %d > max (%d) **\n",
+ info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
+ info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
+ }
+
+ addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
+
+ return (info->size);
+}
+
+
+/* unprotects a sector for write and erase
+ * on some intel parts, this unprotects the entire chip, but it
+ * wont hurt to call this additional times per sector...
+ */
+void flash_unprotect_sectors (FPWV * addr)
+{
+ FPW status;
+
+ *addr = (FPW) 0x00500050; /* clear status register */
+
+ /* this sends the clear lock bit command */
+ *addr = (FPW) 0x00600060;
+ *addr = (FPW) 0x00D000D0;
+
+ reset_timer_masked();
+ while (((status = *addr) & (FPW)0x00800080) != 0x00800080) {
+ if (get_timer_masked() > CONFIG_SYS_FLASH_ERASE_TOUT) {
+ printf("Timeout");
+ break;
+ }
+ }
+
+ *addr = (FPW) 0x00FF00FF;
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ int flag, prot, sect;
+ ulong type;
+ 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 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);
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ /* flash_unprotect_sectors (addr); */
+
+ /* 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 */
+ mb();
+
+ udelay(1000); /* Let's wait 1 ms */
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) {
+ *addr = (FPW)0x00700070;
+ status = *addr;
+ if ((status & (FPW) 0x00400040) == (FPW) 0x00400040) {
+ /* erase suspended? Resume it */
+ reset_timer_masked();
+ *addr = (FPW) 0x00D000D0;
+ } else {
+#ifdef DEBUG
+ printf ("Timeout,0x%08lx\n", status);
+#else
+ printf("Timeout\n");
+#endif
+
+ *addr = (FPW) 0x00500050;
+ *addr = (FPW) 0x00FF00FF; /* reset to read mode */
+ rcode = 1;
+ break;
+ }
+ }
+ }
+
+ *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 (%lx)\n", (ulong) addr, *addr);
+ return (2);
+ }
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ /* flash_unprotect_sectors (addr); */
+
+ *addr = (FPW) 0x00400040; /* write setup */
+ *addr = data;
+
+ mb();
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* 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 () > CONFIG_SYS_FLASH_WRITE_TOUT) {
+#ifdef DEBUG
+ *addr = (FPW) 0x00700070;
+ status = *addr;
+ printf("## status=0x%08lx, addr=0x%p\n", status, addr);
+#endif
+ *addr = (FPW) 0x00500050; /* clear status register cmd */
+ *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
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij@ti.com>
+ *
+ * (C) Copyright 2004
+ * ARM Ltd.
+ * Philippe Robin, <philippe.robin@arm.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>
+#include <div64.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void flash__init (void);
+void ether__init (void);
+void peripheral_power_enable (void);
+
+#if defined(CONFIG_SHOW_BOOT_PROGRESS)
+void show_boot_progress(int progress)
+{
+ printf("Boot reached stage %d\n", progress);
+}
+#endif
+
+#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+ /* arch number of Integrator Board */
+ gd->bd->bi_arch_number = MACH_TYPE_CINTEGRATOR;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0x00000100;
+
+ gd->flags = 0;
+
+#ifdef CONFIG_CM_REMAP
+extern void cm_remap(void);
+ cm_remap(); /* remaps writeable memory to 0x00000000 */
+#endif
+
+ icache_enable ();
+
+ flash__init ();
+ ether__init ();
+ return 0;
+}
+
+
+int misc_init_r (void)
+{
+ setenv("verify", "n");
+ return (0);
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+void flash__init (void)
+{
+}
+/*************************************************************
+ Routine:ether__init
+ Description: take the Ethernet controller out of reset and wait
+ for the EEPROM load to complete.
+*************************************************************/
+void ether__init (void)
+{
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+int dram_init (void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+#ifdef CONFIG_CM_SPD_DETECT
+ {
+extern void dram_query(void);
+ unsigned long cm_reg_sdram;
+ unsigned long sdram_shift;
+
+ dram_query(); /* Assembler accesses to CM registers */
+ /* Queries the SPD values */
+
+ /* Obtain the SDRAM size from the CM SDRAM register */
+
+ cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM);
+ /* Register SDRAM size
+ *
+ * 0xXXXXXXbbb000bb 16 MB
+ * 0xXXXXXXbbb001bb 32 MB
+ * 0xXXXXXXbbb010bb 64 MB
+ * 0xXXXXXXbbb011bb 128 MB
+ * 0xXXXXXXbbb100bb 256 MB
+ *
+ */
+ sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4;
+ gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift;
+
+ }
+#endif /* CM_SPD_DETECT */
+
+ return 0;
+}
+
+/* The Integrator/CP timer1 is clocked at 1MHz
+ * can be divided by 16 or 256
+ * and can be set up as a 32-bit timer
+ */
+/* U-Boot expects a 32 bit timer, running at CONFIG_SYS_HZ */
+/* Keep total timer count to avoid losing decrements < div_timer */
+static unsigned long long total_count = 0;
+static unsigned long long lastdec; /* Timer reading at last call */
+static unsigned long long div_clock = 1; /* Divisor applied to timer clock */
+static unsigned long long div_timer = 1; /* Divisor to convert timer reading
+ * change to U-Boot ticks
+ */
+/* CONFIG_SYS_HZ = CONFIG_SYS_HZ_CLOCK/(div_clock * div_timer) */
+static ulong timestamp; /* U-Boot ticks since startup */
+
+#define TIMER_LOAD_VAL ((ulong)0xFFFFFFFF)
+#define READ_TIMER (*(volatile ulong *)(CONFIG_SYS_TIMERBASE+4))
+
+/* all function return values in U-Boot ticks i.e. (1/CONFIG_SYS_HZ) sec
+ * - unless otherwise stated
+ */
+
+/* starts up a counter
+ * - the Integrator/CP timer can be set up to issue an interrupt */
+int interrupt_init (void)
+{
+ /* Load timer with initial value */
+ *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0) = TIMER_LOAD_VAL;
+ /* Set timer to be
+ * enabled 1
+ * periodic 1
+ * no interrupts 0
+ * X 0
+ * divider 1 00 == less rounding error
+ * 32 bit 1
+ * wrapping 0
+ */
+ *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 8) = 0x000000C2;
+ /* init the timestamp */
+ total_count = 0ULL;
+ reset_timer_masked();
+
+ div_timer = (unsigned long long)(CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ);
+ div_timer /= div_clock;
+
+ return (0);
+}
+
+/*
+ * timer without interrupts
+ */
+void reset_timer (void)
+{
+ reset_timer_masked ();
+}
+
+ulong get_timer (ulong base_ticks)
+{
+ return get_timer_masked () - base_ticks;
+}
+
+void set_timer (ulong ticks)
+{
+ timestamp = ticks;
+ total_count = (unsigned long long)ticks * div_timer;
+}
+
+/* delay usec useconds */
+void udelay (unsigned long usec)
+{
+ ulong tmo, tmp;
+
+ /* Convert to U-Boot ticks */
+ tmo = usec * CONFIG_SYS_HZ;
+ tmo /= (1000000L);
+
+ tmp = get_timer_masked(); /* get current timestamp */
+ tmo += tmp; /* form target timestamp */
+
+ while (get_timer_masked () < tmo) {/* loop till event */
+ /*NOP*/;
+ }
+}
+
+void reset_timer_masked (void)
+{
+ /* capure current decrementer value */
+ lastdec = (unsigned long long)READ_TIMER;
+ /* start "advancing" time stamp from 0 */
+ timestamp = 0L;
+}
+
+/* converts the timer reading to U-Boot ticks */
+/* the timestamp is the number of ticks since reset */
+ulong get_timer_masked (void)
+{
+ /* get current count */
+ unsigned long long now = (unsigned long long)READ_TIMER;
+
+ if(now > lastdec) {
+ /* Must have wrapped */
+ total_count += lastdec + TIMER_LOAD_VAL + 1 - now;
+ } else {
+ total_count += lastdec - now;
+ }
+ lastdec = now;
+
+ /* Reuse "now" */
+ now = total_count;
+ do_div(now, div_timer);
+ timestamp = now;
+
+ return timestamp;
+}
+
+/* waits specified delay value and resets timestamp */
+void udelay_masked (unsigned long usec)
+{
+ udelay(usec);
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+ return (unsigned long long)get_timer(0);
+}
+
+/*
+ * Return the timebase clock frequency
+ * i.e. how often the timer decrements
+ */
+ulong get_tbclk (void)
+{
+ return (ulong)(((unsigned long long)CONFIG_SYS_HZ_CLOCK)/div_clock);
+}
--- /dev/null
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2003, ARM Ltd.
+ * Philippe Robin, <philippe.robin@arm.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 <config.h>
+#include <version.h>
+
+/* Reset using CM control register */
+.global reset_cpu
+reset_cpu:
+ mov r0, #CM_BASE
+ ldr r1,[r0,#OS_CTRL]
+ orr r1,r1,#CMMASK_RESET
+ str r1,[r0,#OS_CTRL]
+
+reset_failed:
+ b reset_failed
+
+/* Set up the platform, once the cpu has been initialized */
+.globl lowlevel_init
+lowlevel_init:
+ /* If U-Boot has been run after the ARM boot monitor
+ * then all the necessary actions have been done
+ * otherwise we are running from user flash mapped to 0x00000000
+ * --- DO NOT REMAP BEFORE THE CODE HAS BEEN RELOCATED --
+ * Changes to the (possibly soft) reset defaults of the processor
+ * itself should be performed in cpu/arm<>/start.S
+ * This function affects only the core module or board settings
+ */
+
+#ifdef CONFIG_CM_INIT
+ /* CM has an initialization register
+ * - bits in it are wired into test-chip pins to force
+ * reset defaults
+ * - may need to change its contents for U-Boot
+ */
+
+ /* set the desired CM specific value */
+ mov r2,#CMMASK_LOWVEC /* Vectors at 0x00000000 for all */
+
+#if defined (CONFIG_CM10200E) || defined (CONFIG_CM10220E)
+ orr r2,r2,#CMMASK_INIT_102
+#else
+
+#if !defined (CONFIG_CM920T) && !defined (CONFIG_CM920T_ETM) && \
+ !defined (CONFIG_CM940T)
+ /* CMxx6 code */
+
+#ifdef CONFIG_CM_MULTIPLE_SSRAM
+ /* set simple mapping */
+ and r2,r2,#CMMASK_MAP_SIMPLE
+#endif /* #ifdef CONFIG_CM_MULTIPLE_SSRAM */
+
+#ifdef CONFIG_CM_TCRAM
+ /* disable TCRAM */
+ and r2,r2,#CMMASK_TCRAM_DISABLE
+#endif /* #ifdef CONFIG_CM_TCRAM */
+
+#if defined (CONFIG_CM926EJ_S) || defined (CONFIG_CM1026EJ_S) || \
+ defined (CONFIG_CM1136JF_S)
+
+ and r2,r2,#CMMASK_LE
+
+#endif /* cpu with little endian initialization */
+
+ orr r2,r2,#CMMASK_CMxx6_COMMON
+
+#endif /* CMxx6 code */
+
+#endif /* ARM102xxE value */
+
+ /* read CM_INIT */
+ mov r0, #CM_BASE
+ ldr r1, [r0, #OS_INIT]
+ /* check against desired bit setting */
+ and r3,r1,r2
+ cmp r3,r2
+ beq init_reg_OK
+
+ /* lock for change */
+ mov r3, #CMVAL_LOCK1
+ and r3, r3, #CMVAL_LOCK2
+ str r3, [r0, #OS_LOCK]
+ /* set desired value */
+ orr r1,r1,r2
+ /* write & relock CM_INIT */
+ str r1, [r0, #OS_INIT]
+ mov r1, #CMVAL_UNLOCK
+ str r1, [r0, #OS_LOCK]
+
+ /* soft reset so new values used */
+ b reset_cpu
+
+init_reg_OK:
+
+#endif /* CONFIG_CM_INIT */
+
+ mov pc, lr
+
+#ifdef CONFIG_CM_SPD_DETECT
+ /* Fast memory is available for the DRAM data
+ * - ensure it has been transferred, then summarize the data
+ * into a CM register
+ */
+.globl dram_query
+dram_query:
+ stmfd r13!,{r4-r6,lr}
+ /* set up SDRAM info */
+ /* - based on example code from the CM User Guide */
+ mov r0, #CM_BASE
+
+readspdbit:
+ ldr r1, [r0, #OS_SDRAM] /* read the SDRAM register */
+ and r1, r1, #0x20 /* mask SPD bit (5) */
+ cmp r1, #0x20 /* test if set */
+ bne readspdbit
+
+setupsdram:
+ add r0, r0, #OS_SPD /* address the copy of the SDP data */
+ ldrb r1, [r0, #3] /* number of row address lines */
+ ldrb r2, [r0, #4] /* number of column address lines */
+ ldrb r3, [r0, #5] /* number of banks */
+ ldrb r4, [r0, #31] /* module bank density */
+ mul r5, r4, r3 /* size of SDRAM (MB divided by 4) */
+ mov r5, r5, ASL#2 /* size in MB */
+ mov r0, #CM_BASE /* reload for later code */
+ cmp r5, #0x10 /* is it 16MB? */
+ bne not16
+ mov r6, #0x2 /* store size and CAS latency of 2 */
+ b writesize
+
+not16:
+ cmp r5, #0x20 /* is it 32MB? */
+ bne not32
+ mov r6, #0x6
+ b writesize
+
+not32:
+ cmp r5, #0x40 /* is it 64MB? */
+ bne not64
+ mov r6, #0xa
+ b writesize
+
+not64:
+ cmp r5, #0x80 /* is it 128MB? */
+ bne not128
+ mov r6, #0xe
+ b writesize
+
+not128:
+ /* if it is none of these sizes then it is either 256MB, or
+ * there is no SDRAM fitted so default to 256MB
+ */
+ mov r6, #0x12
+
+writesize:
+ mov r1, r1, ASL#8 /* row addr lines from SDRAM reg */
+ orr r2, r1, r2, ASL#12 /* OR in column address lines */
+ orr r3, r2, r3, ASL#16 /* OR in number of banks */
+ orr r6, r6, r3 /* OR in size and CAS latency */
+ str r6, [r0, #OS_SDRAM] /* store SDRAM parameters */
+
+#endif /* #ifdef CONFIG_CM_SPD_DETECT */
+
+ ldmfd r13!,{r4-r6,pc} /* back to caller */
+
+#ifdef CONFIG_CM_REMAP
+ /* CM remap bit is operational
+ * - use it to map writeable memory at 0x00000000, in place of flash
+ */
+.globl cm_remap
+cm_remap:
+ stmfd r13!,{r4-r10,lr}
+
+ mov r0, #CM_BASE
+ ldr r1, [r0, #OS_CTRL]
+ orr r1, r1, #CMMASK_REMAP /* set remap and led bits */
+ str r1, [r0, #OS_CTRL]
+
+ /* Now 0x00000000 is writeable, replace the vectors */
+ ldr r0, =_start /* r0 <- start of vectors */
+ ldr r2, =_armboot_start /* r2 <- past vectors */
+ sub r1,r1,r1 /* destination 0x00000000 */
+
+copy_vec:
+ ldmia r0!, {r3-r10} /* copy from source address [r0] */
+ stmia r1!, {r3-r10} /* copy to target address [r1] */
+ cmp r0, r2 /* until source end address [r2] */
+ ble copy_vec
+
+ ldmfd r13!,{r4-r10,pc} /* back to caller */
+
+#endif /* #ifdef CONFIG_CM_REMAP */
--- /dev/null
+#!/bin/sh
+# ---------------------------------------------------------
+# Set the platform defines
+# ---------------------------------------------------------
+echo -n "/* Integrator configuration implied " > tmp.fil
+echo " by Makefile target */" >> tmp.fil
+echo -n "#define CONFIG_INTEGRATOR" >> tmp.fil
+echo " /* Integrator board */" >> tmp.fil
+echo -n "#define CONFIG_ARCH_CINTEGRATOR" >> tmp.fil
+echo " 1 /* Integrator/CP */" >> tmp.fil
+
+cpu="arm_intcm"
+variant="unknown core module"
+
+if [ "$1" = "" ]
+then
+ echo "$0:: No parameters - using arm_intcm"
+else
+ case "$1" in
+ ap966)
+ cpu="arm_intcm"
+ variant="unported core module CM966E-S"
+ ;;
+
+ ap922_config)
+ cpu="arm_intcm"
+ variant="unported core module CM922T"
+ ;;
+
+ integratorcp_config | \
+ cp_config)
+ cpu="arm_intcm"
+ variant="unspecified core module"
+ ;;
+
+ cp922_XA10_config)
+ cpu="arm_intcm"
+ variant="unported core module CM922T_XA10"
+ echo -n "#define CONFIG_CM922T_XA10" >> tmp.fil
+ echo " 1 /* CPU core is ARM922T_XA10 */" >> tmp.fil
+ ;;
+
+ cp920t_config)
+ cpu="arm920t"
+ variant="Core module CM920T"
+ echo -n "#define CONFIG_CM920T" >> tmp.fil
+ echo " 1 /* CPU core is ARM920T */" >> tmp.fil
+ ;;
+
+ cp926ejs_config)
+ cpu="arm926ejs"
+ variant="Core module CM926EJ-S"
+ echo -n "#define CONFIG_CM926EJ_S" >> tmp.fil
+ echo " 1 /* CPU core is ARM926EJ-S */ " >> tmp.fil
+ ;;
+
+
+ cp946es_config)
+ cpu="arm946es"
+ variant="Core module CM946E-S"
+ echo -n "#define CONFIG_CM946E_S" >> tmp.fil
+ echo " 1 /* CPU core is ARM946E-S */ " >> tmp.fil
+ ;;
+
+ cp1136_config)
+ cpu="arm1136"
+ variant="Core module CM1136EJF-S"
+ echo -n "#define CONFIG_CM1136EJF_S" >> tmp.fil
+ echo " 1 /* CPU core is ARM1136JF-S */ " >> tmp.fil
+ ;;
+
+ *)
+ echo "$0:: Unknown core module"
+ variant="unknown core module"
+ cpu="arm_intcm"
+ ;;
+
+ esac
+
+fi
+
+if [ "$cpu" = "arm_intcm" ]
+then
+ echo "/* Core module undefined/not ported */" >> tmp.fil
+ echo "#define CONFIG_ARM_INTCM 1" >> tmp.fil
+ echo -n "#undef CONFIG_CM_MULTIPLE_SSRAM" >> tmp.fil
+ echo -n " /* CM may not have " >> tmp.fil
+ echo "multiple SSRAM mapping */" >> tmp.fil
+ echo -n "#undef CONFIG_CM_SPD_DETECT " >> tmp.fil
+ echo -n " /* CM may not support SPD " >> tmp.fil
+ echo "query */" >> tmp.fil
+ echo -n "#undef CONFIG_CM_REMAP " >> tmp.fil
+ echo -n " /* CM may not support " >> tmp.fil
+ echo "remapping */" >> tmp.fil
+ echo -n "#undef CONFIG_CM_INIT " >> tmp.fil
+ echo -n " /* CM may not have " >> tmp.fil
+ echo "initialization reg */" >> tmp.fil
+ echo -n "#undef CONFIG_CM_TCRAM " >> tmp.fil
+ echo " /* CM may not have TCRAM */" >> tmp.fil
+fi
+
+mkdir -p ${obj}include
+mkdir -p ${obj}board/armltd/integratorcp
+mv tmp.fil ${obj}include/config.h
+# ---------------------------------------------------------
+# Ensure correct core object loaded first in U-Boot image
+# ---------------------------------------------------------
+sed -r 's/CPU_FILE/cpu\/'$cpu'\/start.o/; s/#.*//' ${src}board/armltd/integratorcp/u-boot.lds.template > ${obj}board/armltd/integratorcp/u-boot.lds
+# ---------------------------------------------------------
+# Complete the configuration
+# ---------------------------------------------------------
+$MKCONFIG -a integratorcp arm $cpu integratorcp armltd;
+echo "Variant:: $variant with core $cpu"
+
--- /dev/null
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@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
+ */
+# Template used during configuration to emsure the core module processor code,
+# from CPU_FILE, is placed at the start of the image */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+ . = ALIGN(4);
+ .text :
+ {
+ CPU_FILE (.text)
+ *(.text)
+ }
+ .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 = .;
+}
--- /dev/null
+#
+# (C) Copyright 2000-2006
+# 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 = $(obj)lib$(BOARD).a
+
+COBJS := versatile.o flash.o
+SOBJS := lowlevel_init.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+#
+# image should be loaded at 0x01000000
+#
+
+TEXT_BASE = 0x01000000
--- /dev/null
+/*
+ * (C) Copyright 2001
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2001-2004
+ * 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>
+#include <linux/byteorder/swab.h>
+
+#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 256 KB sectors (x2) */
+flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/* Board support for 1 or 2 flash devices */
+#define FLASH_PORT_WIDTH32
+#undef 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")
+
+
+/* Flash Organization Structure */
+typedef struct OrgDef {
+ unsigned int sector_number;
+ unsigned int sector_size;
+} OrgDef;
+
+
+/* Flash Organizations */
+OrgDef OrgIntel_28F256K3[] = {
+ {256, 128 * 1024}, /* 256 * 128kBytes sectors */
+};
+
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+unsigned long flash_init (void);
+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);
+void flash_print_info (flash_info_t * info);
+void flash_unprotect_sectors (FPWV * addr);
+int flash_erase (flash_info_t * info, int s_first, int s_last);
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt);
+
+/*-----------------------------------------------------------------------
+ */
+
+static void flash_vpp(int on)
+{
+ unsigned int tmp;
+
+ tmp = *(unsigned int *)(VERSATILE_FLASHCTRL);
+
+ if (on)
+ tmp |= VERSATILE_FLASHPROG_FLVPPEN;
+ else
+ tmp &= ~VERSATILE_FLASHPROG_FLVPPEN;
+
+ *(unsigned int *)(VERSATILE_FLASHCTRL) = tmp;
+}
+
+unsigned long flash_init (void)
+{
+ int i;
+ ulong size = 0;
+ for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
+ switch (i) {
+ case 0:
+ flash_vpp(1);
+ flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]);
+ flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
+ flash_vpp(0);
+ 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,
+ CONFIG_SYS_FLASH_BASE,
+ CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1, &flash_info[0]);
+
+ return size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_get_offsets (ulong base, flash_info_t * info)
+{
+ int i;
+ OrgDef *pOrgDef;
+
+ pOrgDef = OrgIntel_28F256K3;
+ if (info->flash_id == FLASH_UNKNOWN) {
+ return;
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
+ for (i = 0; i < info->sector_count; i++) {
+ if (i > 255) {
+ info->start[i] = base + (i * 0x8000);
+ info->protect[i] = 0;
+ } else {
+ 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_28F256L18T:
+ printf ("FLASH 28F256L18T\n");
+ break;
+ case FLASH_28F256K3:
+ printf ("FLASH 28F256K3\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_28F256L18T):
+ info->flash_id += FLASH_28F256L18T;
+ info->sector_count = 259;
+ info->size = 0x02000000;
+ break; /* => 32 MB */
+
+ case (FPW)(INTEL_ID_28F256K3):
+ info->flash_id += FLASH_28F256K3;
+ info->sector_count = 256;
+ info->size = 0x02000000;
+ break;
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ break;
+ }
+
+ if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
+ printf ("** ERROR: sector count %d > max (%d) **\n",
+ info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
+ info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
+ }
+
+ addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
+
+ return (info->size);
+}
+
+
+/* unprotects a sector for write and erase
+ * on some intel parts, this unprotects the entire chip, but it
+ * wont hurt to call this additional times per sector...
+ */
+void flash_unprotect_sectors (FPWV * addr)
+{
+#define PD_FINTEL_WSMS_READY_MASK 0x0080
+
+ *addr = (FPW) 0x00500050; /* clear status register */
+
+ /* this sends the clear lock bit command */
+ *addr = (FPW) 0x00600060;
+ *addr = (FPW) 0x00D000D0;
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+
+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");
+ }
+
+ flash_vpp(1);
+
+ 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);
+
+ flash_unprotect_sectors (addr);
+
+ /* 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 () >
+ CONFIG_SYS_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ /* suspend erase */
+ *addr = (FPW) 0x00B000B0;
+ /* reset to read mode */
+ *addr = (FPW) 0x00FF00FF;
+ rcode = 1;
+ break;
+ }
+ }
+
+ /* clear status register cmd. */
+ *addr = (FPW) 0x00500050;
+ *addr = (FPW) 0x00FF00FF;/* resest to read mode */
+ printf (" done\n");
+ }
+ }
+
+ flash_vpp(0);
+
+ 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
+
+ flash_vpp(1);
+
+ /*
+ * 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) {
+ flash_vpp(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) {
+ flash_vpp(0);
+ return (rc);
+ }
+ wp += port_width;
+ cnt -= port_width;
+ if (count++ > 0x800) {
+ spin_wheel ();
+ count = 0;
+ }
+ }
+
+ if (cnt == 0) {
+ flash_vpp(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);
+ }
+
+ rc = write_data (info, wp, SWAP (data));
+
+ flash_vpp(0);
+
+ return rc;
+}
+
+/*-----------------------------------------------------------------------
+ * 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 (%lx)\n", (ulong) addr, (ulong) *addr);
+ return (2);
+ }
+
+ flash_vpp(1);
+
+ flash_unprotect_sectors (addr);
+ /* 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 () > CONFIG_SYS_FLASH_WRITE_TOUT) {
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
+ flash_vpp(0);
+ return (1);
+ }
+ }
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
+ flash_vpp(0);
+ 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, ARM Ltd.
+ * Philippe Robin, <philippe.robin@arm.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 <config.h>
+#include <version.h>
+
+/* Set up the platform, once the cpu has been initialized */
+.globl lowlevel_init
+lowlevel_init:
+
+ /* All done by Versatile's boot monitor! */
+ mov pc, lr
--- /dev/null
+#!/bin/sh
+# ---------------------------------------------------------
+# Set the core module defines according to Core Module
+# ---------------------------------------------------------
+# ---------------------------------------------------------
+# Set up the Versatile type define
+# ---------------------------------------------------------
+
+mkdir -p ${obj}include
+variant=PB926EJ-S
+if [ "$1" = "" ]
+then
+ echo "$0:: No parameters - using versatilepb_config"
+ echo "#define CONFIG_ARCH_VERSATILE_PB" > ${obj}include/config.h
+ variant=PB926EJ-S
+else
+ case "$1" in
+ versatilepb_config | \
+ versatile_config)
+ echo "#define CONFIG_ARCH_VERSATILE_PB" > ${obj}include/config.h
+ ;;
+
+ versatileab_config)
+ echo "#define CONFIG_ARCH_VERSATILE_AB" > ${obj}include/config.h
+ variant=AB926EJ-S
+ ;;
+
+
+ *)
+ echo "$0:: Unrecognised config - using versatilepb_config"
+ echo "#define CONFIG_ARCH_VERSATILE_PB" > ${obj}include/config.h
+ variant=PB926EJ-S
+ ;;
+
+ esac
+
+fi
+# ---------------------------------------------------------
+# Complete the configuration
+# ---------------------------------------------------------
+$MKCONFIG -a versatile arm arm926ejs versatile armltd versatile
+echo "Variant:: $variant"
--- /dev/null
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@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_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+ . = ALIGN(4);
+ .text :
+ {
+ cpu/arm926ejs/start.o (.text)
+ *(.text)
+ }
+ .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 (NOLOAD) : { *(.bss) . = ALIGN(4); }
+ _end = .;
+}
--- /dev/null
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij@ti.com>
+ *
+ * (C) Copyright 2004
+ * ARM Ltd.
+ * Philippe Robin, <philippe.robin@arm.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>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_SHOW_BOOT_PROGRESS)
+void show_boot_progress(int progress)
+{
+ printf("Boot reached stage %d\n", progress);
+}
+#endif
+
+#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)
+
+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)
+{
+ /*
+ * set clock frequency:
+ * VERSATILE_REFCLK is 32KHz
+ * VERSATILE_TIMCLK is 1MHz
+ */
+ *(volatile unsigned int *)(VERSATILE_SCTL_BASE) |=
+ ((VERSATILE_TIMCLK << VERSATILE_TIMER1_EnSel) | (VERSATILE_TIMCLK << VERSATILE_TIMER2_EnSel) |
+ (VERSATILE_TIMCLK << VERSATILE_TIMER3_EnSel) | (VERSATILE_TIMCLK << VERSATILE_TIMER4_EnSel));
+
+ /* arch number of Versatile Board */
+ gd->bd->bi_arch_number = MACH_TYPE_VERSATILE_PB;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0x00000100;
+
+ gd->flags = 0;
+
+ icache_enable ();
+
+ return 0;
+}
+
+
+int misc_init_r (void)
+{
+ setenv("verify", "n");
+ return (0);
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+int dram_init (void)
+{
+ return 0;
+}
+++ /dev/null
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2004
-# ARM Ltd.
-# Philippe Robin, <philippe.robin@arm.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 $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(BOARD).a
-
-COBJS := integratorap.o flash.o
-SOBJS := lowlevel_init.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
-SOBJS := $(addprefix $(obj),$(SOBJS))
-
-$(LIB): $(obj).depend $(OBJS) $(SOBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
-
-clean:
- rm -f $(SOBJS) $(OBJS)
-
-distclean: clean
- rm -f $(LIB) core *.bak $(obj).depend
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-#
-# image should be loaded at 0x01000000
-#
-
-TEXT_BASE = 0x01000000
-
-ifneq ($(OBJTREE),$(SRCTREE))
-# We are building u-boot in a separate directory, use generated
-# .lds script from OBJTREE directory.
-LDSCRIPT := $(OBJTREE)/board/$(BOARDDIR)/u-boot.lds
-endif
+++ /dev/null
-/*
- * (C) Copyright 2001
- * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
- *
- * (C) Copyright 2001-2004
- * 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>
-#include <linux/byteorder/swab.h>
-
-#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 256 KB sectors (x2) */
-flash_info_t flash_info[CONFIG_SYS_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")
-
-
-/* Flash Organization Structure */
-typedef struct OrgDef {
- unsigned int sector_number;
- unsigned int sector_size;
-} OrgDef;
-
-
-/* Flash Organizations */
-OrgDef OrgIntel_28F256L18T[] = {
- {4, 32 * 1024}, /* 4 * 32kBytes sectors */
- {255, 128 * 1024}, /* 255 * 128kBytes sectors */
-};
-
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-unsigned long flash_init (void);
-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);
-void flash_print_info (flash_info_t * info);
-void flash_unprotect_sectors (FPWV * addr);
-int flash_erase (flash_info_t * info, int s_first, int s_last);
-int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt);
-
-/*-----------------------------------------------------------------------
- */
-
-unsigned long flash_init (void)
-{
- int i;
- ulong size = 0;
- for (i = 0; i < CONFIG_SYS_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;
- default:
- panic ("configured too many flash banks!\n");
- break;
- }
- size += flash_info[i].size;
- }
-
- /* Protect monitor and environment sectors
- */
- flash_protect (FLAG_PROTECT_SET,
- CONFIG_SYS_FLASH_BASE,
- CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1, &flash_info[0]);
-
- return size;
-}
-
-/*-----------------------------------------------------------------------
- */
-static void flash_get_offsets (ulong base, flash_info_t * info)
-{
- int i;
- OrgDef *pOrgDef;
-
- pOrgDef = OrgIntel_28F256L18T;
- if (info->flash_id == FLASH_UNKNOWN) {
- return;
- }
-
- if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
- for (i = 0; i < info->sector_count; i++) {
- if (i > 255) {
- info->start[i] = base + (i * 0x8000);
- info->protect[i] = 0;
- } else {
- 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_28F256L18T:
- printf ("FLASH 28F256L18T\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_28F256L18T):
- info->flash_id += FLASH_28F256L18T;
- info->sector_count = 259;
- info->size = 0x02000000;
- break; /* => 32 MB */
-
- default:
- info->flash_id = FLASH_UNKNOWN;
- break;
- }
-
- if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
- printf ("** ERROR: sector count %d > max (%d) **\n",
- info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
- info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
- }
-
- addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
-
- return (info->size);
-}
-
-
-/* unprotects a sector for write and erase
- * on some intel parts, this unprotects the entire chip, but it
- * wont hurt to call this additional times per sector...
- */
-void flash_unprotect_sectors (FPWV * addr)
-{
-#define PD_FINTEL_WSMS_READY_MASK 0x0080
-
- *addr = (FPW) 0x00500050; /* clear status register */
-
- /* this sends the clear lock bit command */
- *addr = (FPW) 0x00600060;
- *addr = (FPW) 0x00D000D0;
-}
-
-
-/*-----------------------------------------------------------------------
- */
-
-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);
-
- flash_unprotect_sectors (addr);
-
- /* 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 () >
- CONFIG_SYS_FLASH_ERASE_TOUT) {
- printf ("Timeout\n");
- /* suspend erase */
- *addr = (FPW) 0x00B000B0;
- /* reset to read mode */
- *addr = (FPW) 0x00FF00FF;
- rcode = 1;
- break;
- }
- }
-
- /* clear status register cmd. */
- *addr = (FPW) 0x00500050;
- *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);
- }
- flash_unprotect_sectors (addr);
- /* 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 () > CONFIG_SYS_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
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
- *
- * (C) Copyright 2003
- * Texas Instruments, <www.ti.com>
- * Kshitij Gupta <Kshitij@ti.com>
- *
- * (C) Copyright 2004
- * ARM Ltd.
- * Philippe Robin, <philippe.robin@arm.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>
-
-#ifdef CONFIG_PCI
-#include <pci.h>
-#endif
-
-#include <netdev.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-void flash__init (void);
-void ether__init (void);
-void peripheral_power_enable (void);
-
-#if defined(CONFIG_SHOW_BOOT_PROGRESS)
-void show_boot_progress(int progress)
-{
- printf("Boot reached stage %d\n", progress);
-}
-#endif
-
-#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)
-
-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)
-{
- /* arch number of Integrator Board */
- gd->bd->bi_arch_number = MACH_TYPE_INTEGRATOR;
-
- /* adress of boot parameters */
- gd->bd->bi_boot_params = 0x00000100;
-
- gd->flags = 0;
-
-#ifdef CONFIG_CM_REMAP
-extern void cm_remap(void);
- cm_remap(); /* remaps writeable memory to 0x00000000 */
-#endif
-
- icache_enable ();
-
- flash__init ();
- return 0;
-}
-
-
-int misc_init_r (void)
-{
-#ifdef CONFIG_PCI
- pci_init();
-#endif
- setenv("verify", "n");
- return (0);
-}
-
-/*
- * Initialize PCI Devices, report devices found.
- */
-#ifdef CONFIG_PCI
-
-#ifndef CONFIG_PCI_PNP
-
-static struct pci_config_table pci_integrator_config_table[] = {
- { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0f, PCI_ANY_ID,
- pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
- PCI_ENET0_MEMADDR,
- PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }},
- { }
-};
-#endif
-
-/* V3 access routines */
-#define _V3Write16(o,v) (*(volatile unsigned short *)(PCI_V3_BASE + (unsigned int)(o)) = (unsigned short)(v))
-#define _V3Read16(o) (*(volatile unsigned short *)(PCI_V3_BASE + (unsigned int)(o)))
-
-#define _V3Write32(o,v) (*(volatile unsigned int *)(PCI_V3_BASE + (unsigned int)(o)) = (unsigned int)(v))
-#define _V3Read32(o) (*(volatile unsigned int *)(PCI_V3_BASE + (unsigned int)(o)))
-
-/* Compute address necessary to access PCI config space for the given */
-/* bus and device. */
-#define PCI_CONFIG_ADDRESS( __bus, __devfn, __offset ) ({ \
- unsigned int __address, __devicebit; \
- unsigned short __mapaddress; \
- unsigned int __dev = PCI_DEV (__devfn); /* FIXME to check!! (slot?) */ \
- \
- if (__bus == 0) { \
- /* local bus segment so need a type 0 config cycle */ \
- /* build the PCI configuration "address" with one-hot in A31-A11 */ \
- __address = PCI_CONFIG_BASE; \
- __address |= ((__devfn & 0x07) << 8); \
- __address |= __offset & 0xFF; \
- __mapaddress = 0x000A; /* 101=>config cycle, 0=>A1=A0=0 */ \
- __devicebit = (1 << (__dev + 11)); \
- \
- if ((__devicebit & 0xFF000000) != 0) { \
- /* high order bits are handled by the MAP register */ \
- __mapaddress |= (__devicebit >> 16); \
- } else { \
- /* low order bits handled directly in the address */ \
- __address |= __devicebit; \
- } \
- } else { /* bus !=0 */ \
- /* not the local bus segment so need a type 1 config cycle */ \
- /* A31-A24 are don't care (so clear to 0) */ \
- __mapaddress = 0x000B; /* 101=>config cycle, 1=>A1&A0 from PCI_CFG */ \
- __address = PCI_CONFIG_BASE; \
- __address |= ((__bus & 0xFF) << 16); /* bits 23..16 = bus number */ \
- __address |= ((__dev & 0x1F) << 11); /* bits 15..11 = device number */ \
- __address |= ((__devfn & 0x07) << 8); /* bits 10..8 = function number */ \
- __address |= __offset & 0xFF; /* bits 7..0 = register number */ \
- } \
- _V3Write16 (V3_LB_MAP1, __mapaddress); \
- __address; \
-})
-
-/* _V3OpenConfigWindow - open V3 configuration window */
-#define _V3OpenConfigWindow() { \
- /* Set up base0 to see all 512Mbytes of memory space (not */ \
- /* prefetchable), this frees up base1 for re-use by configuration*/ \
- /* memory */ \
- \
- _V3Write32 (V3_LB_BASE0, ((INTEGRATOR_PCI_BASE & 0xFFF00000) | \
- 0x90 | V3_LB_BASE_M_ENABLE)); \
- /* Set up base1 to point into configuration space, note that MAP1 */ \
- /* register is set up by pciMakeConfigAddress(). */ \
- \
- _V3Write32 (V3_LB_BASE1, ((CPU_PCI_CNFG_ADRS & 0xFFF00000) | \
- 0x40 | V3_LB_BASE_M_ENABLE)); \
-}
-
-/* _V3CloseConfigWindow - close V3 configuration window */
-#define _V3CloseConfigWindow() { \
- /* Reassign base1 for use by prefetchable PCI memory */ \
- _V3Write32 (V3_LB_BASE1, (((INTEGRATOR_PCI_BASE + 0x10000000) & 0xFFF00000) \
- | 0x84 | V3_LB_BASE_M_ENABLE)); \
- _V3Write16 (V3_LB_MAP1, \
- (((INTEGRATOR_PCI_BASE + 0x10000000) & 0xFFF00000) >> 16) | 0x0006); \
- \
- /* And shrink base0 back to a 256M window (NOTE: MAP0 already correct) */ \
- \
- _V3Write32 (V3_LB_BASE0, ((INTEGRATOR_PCI_BASE & 0xFFF00000) | \
- 0x80 | V3_LB_BASE_M_ENABLE)); \
-}
-
-static int pci_integrator_read_byte (struct pci_controller *hose, pci_dev_t dev,
- int offset, unsigned char *val)
-{
- _V3OpenConfigWindow ();
- *val = *(volatile unsigned char *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
- PCI_FUNC (dev),
- offset);
- _V3CloseConfigWindow ();
-
- return 0;
-}
-
-static int pci_integrator_read__word (struct pci_controller *hose,
- pci_dev_t dev, int offset,
- unsigned short *val)
-{
- _V3OpenConfigWindow ();
- *val = *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
- PCI_FUNC (dev),
- offset);
- _V3CloseConfigWindow ();
-
- return 0;
-}
-
-static int pci_integrator_read_dword (struct pci_controller *hose,
- pci_dev_t dev, int offset,
- unsigned int *val)
-{
- _V3OpenConfigWindow ();
- *val = *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
- PCI_FUNC (dev),
- offset);
- *val |= (*(volatile unsigned int *)
- PCI_CONFIG_ADDRESS (PCI_BUS (dev), PCI_FUNC (dev),
- (offset + 2))) << 16;
- _V3CloseConfigWindow ();
-
- return 0;
-}
-
-static int pci_integrator_write_byte (struct pci_controller *hose,
- pci_dev_t dev, int offset,
- unsigned char val)
-{
- _V3OpenConfigWindow ();
- *(volatile unsigned char *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
- PCI_FUNC (dev),
- offset) = val;
- _V3CloseConfigWindow ();
-
- return 0;
-}
-
-static int pci_integrator_write_word (struct pci_controller *hose,
- pci_dev_t dev, int offset,
- unsigned short val)
-{
- _V3OpenConfigWindow ();
- *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
- PCI_FUNC (dev),
- offset) = val;
- _V3CloseConfigWindow ();
-
- return 0;
-}
-
-static int pci_integrator_write_dword (struct pci_controller *hose,
- pci_dev_t dev, int offset,
- unsigned int val)
-{
- _V3OpenConfigWindow ();
- *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
- PCI_FUNC (dev),
- offset) = (val & 0xFFFF);
- *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev),
- PCI_FUNC (dev),
- (offset + 2)) = ((val >> 16) & 0xFFFF);
- _V3CloseConfigWindow ();
-
- return 0;
-}
-/******************************
- * PCI initialisation
- ******************************/
-
-struct pci_controller integrator_hose = {
-#ifndef CONFIG_PCI_PNP
- config_table: pci_integrator_config_table,
-#endif
-};
-
-void pci_init_board (void)
-{
- volatile int i, j;
- struct pci_controller *hose = &integrator_hose;
-
- /* setting this register will take the V3 out of reset */
-
- *(volatile unsigned int *) (INTEGRATOR_SC_PCIENABLE) = 1;
-
- /* wait a few usecs to settle the device and the PCI bus */
-
- for (i = 0; i < 100; i++)
- j = i + 1;
-
- /* Now write the Base I/O Address Word to V3_BASE + 0x6C */
-
- *(volatile unsigned short *) (V3_BASE + V3_LB_IO_BASE) =
- (unsigned short) (V3_BASE >> 16);
-
- do {
- *(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA) = 0xAA;
- *(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA + 4) =
- 0x55;
- } while (*(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA) != 0xAA
- || *(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA +
- 4) != 0x55);
-
- /* Make sure that V3 register access is not locked, if it is, unlock it */
-
- if ((*(volatile unsigned short *) (V3_BASE + V3_SYSTEM) &
- V3_SYSTEM_M_LOCK)
- == V3_SYSTEM_M_LOCK)
- *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) = 0xA05F;
-
- /* Ensure that the slave accesses from PCI are disabled while we */
- /* setup windows */
-
- *(volatile unsigned short *) (V3_BASE + V3_PCI_CMD) &=
- ~(V3_COMMAND_M_MEM_EN | V3_COMMAND_M_IO_EN);
-
- /* Clear RST_OUT to 0; keep the PCI bus in reset until we've finished */
-
- *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) &=
- ~V3_SYSTEM_M_RST_OUT;
-
- /* Make all accesses from PCI space retry until we're ready for them */
-
- *(volatile unsigned short *) (V3_BASE + V3_PCI_CFG) |=
- V3_PCI_CFG_M_RETRY_EN;
-
- /* Set up any V3 PCI Configuration Registers that we absolutely have to */
- /* LB_CFG controls Local Bus protocol. */
- /* Enable LocalBus byte strobes for READ accesses too. */
- /* set bit 7 BE_IMODE and bit 6 BE_OMODE */
-
- *(volatile unsigned short *) (V3_BASE + V3_LB_CFG) |= 0x0C0;
-
- /* PCI_CMD controls overall PCI operation. */
- /* Enable PCI bus master. */
-
- *(volatile unsigned short *) (V3_BASE + V3_PCI_CMD) |= 0x04;
-
- /* PCI_MAP0 controls where the PCI to CPU memory window is on Local Bus */
-
- *(volatile unsigned int *) (V3_BASE + V3_PCI_MAP0) =
- (INTEGRATOR_BOOT_ROM_BASE) | (V3_PCI_MAP_M_ADR_SIZE_512M |
- V3_PCI_MAP_M_REG_EN |
- V3_PCI_MAP_M_ENABLE);
-
- /* PCI_BASE0 is the PCI address of the start of the window */
-
- *(volatile unsigned int *) (V3_BASE + V3_PCI_BASE0) =
- INTEGRATOR_BOOT_ROM_BASE;
-
- /* PCI_MAP1 is LOCAL address of the start of the window */
-
- *(volatile unsigned int *) (V3_BASE + V3_PCI_MAP1) =
- (INTEGRATOR_HDR0_SDRAM_BASE) | (V3_PCI_MAP_M_ADR_SIZE_1024M |
- V3_PCI_MAP_M_REG_EN |
- V3_PCI_MAP_M_ENABLE);
-
- /* PCI_BASE1 is the PCI address of the start of the window */
-
- *(volatile unsigned int *) (V3_BASE + V3_PCI_BASE1) =
- INTEGRATOR_HDR0_SDRAM_BASE;
-
- /* Set up the windows from local bus memory into PCI configuration, */
- /* I/O and Memory. */
- /* PCI I/O, LB_BASE2 and LB_MAP2 are used exclusively for this. */
-
- *(volatile unsigned short *) (V3_BASE + V3_LB_BASE2) =
- ((CPU_PCI_IO_ADRS >> 24) << 8) | V3_LB_BASE_M_ENABLE;
- *(volatile unsigned short *) (V3_BASE + V3_LB_MAP2) = 0;
-
- /* PCI Configuration, use LB_BASE1/LB_MAP1. */
-
- /* PCI Memory use LB_BASE0/LB_MAP0 and LB_BASE1/LB_MAP1 */
- /* Map first 256Mbytes as non-prefetchable via BASE0/MAP0 */
- /* (INTEGRATOR_PCI_BASE == PCI_MEM_BASE) */
-
- *(volatile unsigned int *) (V3_BASE + V3_LB_BASE0) =
- INTEGRATOR_PCI_BASE | (0x80 | V3_LB_BASE_M_ENABLE);
-
- *(volatile unsigned short *) (V3_BASE + V3_LB_MAP0) =
- ((INTEGRATOR_PCI_BASE >> 20) << 0x4) | 0x0006;
-
- /* Map second 256 Mbytes as prefetchable via BASE1/MAP1 */
-
- *(volatile unsigned int *) (V3_BASE + V3_LB_BASE1) =
- INTEGRATOR_PCI_BASE | (0x84 | V3_LB_BASE_M_ENABLE);
-
- *(volatile unsigned short *) (V3_BASE + V3_LB_MAP1) =
- (((INTEGRATOR_PCI_BASE + 0x10000000) >> 20) << 4) | 0x0006;
-
- /* Allow accesses to PCI Configuration space */
- /* and set up A1, A0 for type 1 config cycles */
-
- *(volatile unsigned short *) (V3_BASE + V3_PCI_CFG) =
- ((*(volatile unsigned short *) (V3_BASE + V3_PCI_CFG)) &
- ~(V3_PCI_CFG_M_RETRY_EN | V3_PCI_CFG_M_AD_LOW1)) |
- V3_PCI_CFG_M_AD_LOW0;
-
- /* now we can allow in PCI MEMORY accesses */
-
- *(volatile unsigned short *) (V3_BASE + V3_PCI_CMD) =
- (*(volatile unsigned short *) (V3_BASE + V3_PCI_CMD)) |
- V3_COMMAND_M_MEM_EN;
-
- /* Set RST_OUT to take the PCI bus is out of reset, PCI devices can */
- /* initialise and lock the V3 system register so that no one else */
- /* can play with it */
-
- *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) =
- (*(volatile unsigned short *) (V3_BASE + V3_SYSTEM)) |
- V3_SYSTEM_M_RST_OUT;
-
- *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) =
- (*(volatile unsigned short *) (V3_BASE + V3_SYSTEM)) |
- V3_SYSTEM_M_LOCK;
-
- /*
- * Register the hose
- */
- hose->first_busno = 0;
- hose->last_busno = 0xff;
-
- /* System memory space */
- pci_set_region (hose->regions + 0,
- 0x00000000, 0x40000000, 0x01000000,
- PCI_REGION_MEM | PCI_REGION_MEMORY);
-
- /* PCI Memory - config space */
- pci_set_region (hose->regions + 1,
- 0x00000000, 0x62000000, 0x01000000, PCI_REGION_MEM);
-
- /* PCI V3 regs */
- pci_set_region (hose->regions + 2,
- 0x00000000, 0x61000000, 0x00080000, PCI_REGION_MEM);
-
- /* PCI I/O space */
- pci_set_region (hose->regions + 3,
- 0x00000000, 0x60000000, 0x00010000, PCI_REGION_IO);
-
- pci_set_ops (hose,
- pci_integrator_read_byte,
- pci_integrator_read__word,
- pci_integrator_read_dword,
- pci_integrator_write_byte,
- pci_integrator_write_word, pci_integrator_write_dword);
-
- hose->region_count = 4;
-
- pci_register_hose (hose);
-
- pciauto_config_init (hose);
- pciauto_config_device (hose, 0);
-
- hose->last_busno = pci_hose_scan (hose);
-}
-#endif
-
-/******************************
- Routine:
- Description:
-******************************/
-void flash__init (void)
-{
-}
-/*************************************************************
- Routine:ether__init
- Description: take the Ethernet controller out of reset and wait
- for the EEPROM load to complete.
-*************************************************************/
-void ether__init (void)
-{
-}
-
-/******************************
- Routine:
- Description:
-******************************/
-int dram_init (void)
-{
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
-
-#ifdef CONFIG_CM_SPD_DETECT
- {
-extern void dram_query(void);
- unsigned long cm_reg_sdram;
- unsigned long sdram_shift;
-
- dram_query(); /* Assembler accesses to CM registers */
- /* Queries the SPD values */
-
- /* Obtain the SDRAM size from the CM SDRAM register */
-
- cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM);
- /* Register SDRAM size
- *
- * 0xXXXXXXbbb000bb 16 MB
- * 0xXXXXXXbbb001bb 32 MB
- * 0xXXXXXXbbb010bb 64 MB
- * 0xXXXXXXbbb011bb 128 MB
- * 0xXXXXXXbbb100bb 256 MB
- *
- */
- sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4;
- gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift;
-
- }
-#endif /* CM_SPD_DETECT */
-
- return 0;
-}
-
-/* The Integrator/AP timer1 is clocked at 24MHz
- * can be divided by 16 or 256
- * and is a 16-bit counter
- */
-/* U-Boot expects a 32 bit timer running at CONFIG_SYS_HZ*/
-static ulong timestamp; /* U-Boot ticks since startup */
-static ulong total_count = 0; /* Total timer count */
-static ulong lastdec; /* Timer reading at last call */
-static ulong div_clock = 256; /* Divisor applied to the timer clock */
-static ulong div_timer = 1; /* Divisor to convert timer reading
- * change to U-Boot ticks
- */
-/* CONFIG_SYS_HZ = CONFIG_SYS_HZ_CLOCK/(div_clock * div_timer) */
-
-#define TIMER_LOAD_VAL 0x0000FFFFL
-#define READ_TIMER ((*(volatile ulong *)(CONFIG_SYS_TIMERBASE+4)) & 0x0000FFFFL)
-
-/* all function return values in U-Boot ticks i.e. (1/CONFIG_SYS_HZ) sec
- * - unless otherwise stated
- */
-
-/* starts a counter
- * - the Integrator/AP timer issues an interrupt
- * each time it reaches zero
- */
-int interrupt_init (void)
-{
- /* Load timer with initial value */
- *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0) = TIMER_LOAD_VAL;
- /* Set timer to be
- * enabled 1
- * free-running 0
- * XX 00
- * divider 256 10
- * XX 00
- */
- *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 8) = 0x00000088;
- total_count = 0;
- /* init the timestamp and lastdec value */
- reset_timer_masked();
-
- div_timer = CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ;
- div_timer /= div_clock;
-
- return (0);
-}
-
-/*
- * timer without interrupts
- */
-void reset_timer (void)
-{
- reset_timer_masked ();
-}
-
-ulong get_timer (ulong base_ticks)
-{
- return get_timer_masked () - base_ticks;
-}
-
-void set_timer (ulong ticks)
-{
- timestamp = ticks;
- total_count = ticks * div_timer;
- reset_timer_masked();
-}
-
-/* delay x useconds */
-void udelay (unsigned long usec)
-{
- ulong tmo, tmp;
-
- /* Convert to U-Boot ticks */
- tmo = usec * CONFIG_SYS_HZ;
- tmo /= (1000000L);
-
- tmp = get_timer_masked(); /* get current timestamp */
- tmo += tmp; /* wake up timestamp */
-
- while (get_timer_masked () < tmo) { /* loop till event */
- /*NOP*/;
- }
-}
-
-void reset_timer_masked (void)
-{
- /* reset time */
- lastdec = READ_TIMER; /* capture current decrementer value */
- timestamp = 0; /* start "advancing" time stamp from 0 */
-}
-
-/* converts the timer reading to U-Boot ticks */
-/* the timestamp is the number of ticks since reset */
-/* This routine does not detect wraps unless called regularly
- ASSUMES a call at least every 16 seconds to detect every reload */
-ulong get_timer_masked (void)
-{
- ulong now = READ_TIMER; /* current count */
-
- if (now > lastdec) {
- /* Must have wrapped */
- total_count += lastdec + TIMER_LOAD_VAL + 1 - now;
- } else {
- total_count += lastdec - now;
- }
- lastdec = now;
- timestamp = total_count/div_timer;
-
- return timestamp;
-}
-
-/* waits specified delay value and resets timestamp */
-void udelay_masked (unsigned long usec)
-{
- udelay(usec);
-}
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On ARM it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
- return get_timer(0);
-}
-
-/*
- * Return the timebase clock frequency
- * i.e. how often the timer decrements
- */
-ulong get_tbclk (void)
-{
- return CONFIG_SYS_HZ_CLOCK/div_clock;
-}
-
-int board_eth_init(bd_t *bis)
-{
- return pci_eth_init(bis);
-}
+++ /dev/null
-/*
- * Board specific setup info
- *
- * (C) Copyright 2004, ARM Ltd.
- * Philippe Robin, <philippe.robin@arm.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 <config.h>
-#include <version.h>
-
- /* Reset using CM control register */
-.global reset_cpu
-reset_cpu:
- mov r0, #CM_BASE
- ldr r1,[r0,#OS_CTRL]
- orr r1,r1,#CMMASK_RESET
- str r1,[r0,#OS_CTRL]
-
-reset_failed:
- b reset_failed
-
-/* Set up the platform, once the cpu has been initialized */
-.globl lowlevel_init
-lowlevel_init:
- /* If U-Boot has been run after the ARM boot monitor
- * then all the necessary actions have been done
- * otherwise we are running from user flash mapped to 0x00000000
- * --- DO NOT REMAP BEFORE THE CODE HAS BEEN RELOCATED --
- * Changes to the (possibly soft) reset defaults of the processor
- * itself should be performed in cpu/arm<>/start.S
- * This function affects only the core module or board settings
- */
-
-#ifdef CONFIG_CM_INIT
- /* CM has an initialization register
- * - bits in it are wired into test-chip pins to force
- * reset defaults
- * - may need to change its contents for U-Boot
- */
-
- /* set the desired CM specific value */
- mov r2,#CMMASK_LOWVEC /* Vectors at 0x00000000 for all */
-
-#if defined (CONFIG_CM10200E) || defined (CONFIG_CM10220E)
- orr r2,r2,#CMMASK_INIT_102
-#else
-
-#if !defined (CONFIG_CM920T) && !defined (CONFIG_CM920T_ETM) && \
- !defined (CONFIG_CM940T)
-
-#ifdef CONFIG_CM_MULTIPLE_SSRAM
- /* set simple mapping */
- and r2,r2,#CMMASK_MAP_SIMPLE
-#endif /* #ifdef CONFIG_CM_MULTIPLE_SSRAM */
-
-#ifdef CONFIG_CM_TCRAM
- /* disable TCRAM */
- and r2,r2,#CMMASK_TCRAM_DISABLE
-#endif /* #ifdef CONFIG_CM_TCRAM */
-
-#if defined (CONFIG_CM926EJ_S) || defined (CONFIG_CM1026EJ_S) || \
- defined (CONFIG_CM1136JF_S)
-
- and r2,r2,#CMMASK_LE
-
-#endif /* cpu with little endian initialization */
-
- orr r2,r2,#CMMASK_CMxx6_COMMON
-
-#endif /* CMxx6 code */
-
-#endif /* ARM102xxE value */
-
- /* read CM_INIT */
- mov r0, #CM_BASE
- ldr r1, [r0, #OS_INIT]
- /* check against desired bit setting */
- and r3,r1,r2
- cmp r3,r2
- beq init_reg_OK
-
- /* lock for change */
- mov r3, #CMVAL_LOCK1
- add r3,r3,#CMVAL_LOCK2
- str r3, [r0, #OS_LOCK]
- /* set desired value */
- orr r1,r1,r2
- /* write & relock CM_INIT */
- str r1, [r0, #OS_INIT]
- mov r1, #CMVAL_UNLOCK
- str r1, [r0, #OS_LOCK]
-
- /* soft reset so new values used */
- b reset_cpu
-
-init_reg_OK:
-
-#endif /* CONFIG_CM_INIT */
-
- mov pc, lr
-
-#ifdef CONFIG_CM_SPD_DETECT
- /* Fast memory is available for the DRAM data
- * - ensure it has been transferred, then summarize the data
- * into a CM register
- */
-.globl dram_query
-dram_query:
- stmfd r13!,{r4-r6,lr}
- /* set up SDRAM info */
- /* - based on example code from the CM User Guide */
- mov r0, #CM_BASE
-
-readspdbit:
- ldr r1, [r0, #OS_SDRAM] /* read the SDRAM register */
- and r1, r1, #0x20 /* mask SPD bit (5) */
- cmp r1, #0x20 /* test if set */
- bne readspdbit
-
-setupsdram:
- add r0, r0, #OS_SPD /* address the copy of the SDP data */
- ldrb r1, [r0, #3] /* number of row address lines */
- ldrb r2, [r0, #4] /* number of column address lines */
- ldrb r3, [r0, #5] /* number of banks */
- ldrb r4, [r0, #31] /* module bank density */
- mul r5, r4, r3 /* size of SDRAM (MB divided by 4) */
- mov r5, r5, ASL#2 /* size in MB */
- mov r0, #CM_BASE /* reload for later code */
- cmp r5, #0x10 /* is it 16MB? */
- bne not16
- mov r6, #0x2 /* store size and CAS latency of 2 */
- b writesize
-
-not16:
- cmp r5, #0x20 /* is it 32MB? */
- bne not32
- mov r6, #0x6
- b writesize
-
-not32:
- cmp r5, #0x40 /* is it 64MB? */
- bne not64
- mov r6, #0xa
- b writesize
-
-not64:
- cmp r5, #0x80 /* is it 128MB? */
- bne not128
- mov r6, #0xe
- b writesize
-
-not128:
- /* if it is none of these sizes then it is either 256MB, or
- * there is no SDRAM fitted so default to 256MB
- */
- mov r6, #0x12
-
-writesize:
- mov r1, r1, ASL#8 /* row addr lines from SDRAM reg */
- orr r2, r1, r2, ASL#12 /* OR in column address lines */
- orr r3, r2, r3, ASL#16 /* OR in number of banks */
- orr r6, r6, r3 /* OR in size and CAS latency */
- str r6, [r0, #OS_SDRAM] /* store SDRAM parameters */
-
-#endif /* #ifdef CONFIG_CM_SPD_DETECT */
-
- ldmfd r13!,{r4-r6,pc} /* back to caller */
-
-#ifdef CONFIG_CM_REMAP
- /* CM remap bit is operational
- * - use it to map writeable memory at 0x00000000, in place of flash
- */
-.globl cm_remap
-cm_remap:
- stmfd r13!,{r4-r10,lr}
-
- mov r0, #CM_BASE
- ldr r1, [r0, #OS_CTRL]
- orr r1, r1, #CMMASK_REMAP /* set remap and led bits */
- str r1, [r0, #OS_CTRL]
-
- /* Now 0x00000000 is writeable, replace the vectors */
- ldr r0, =_start /* r0 <- start of vectors */
- ldr r2, =_armboot_start /* r2 <- past vectors */
- sub r1,r1,r1 /* destination 0x00000000 */
-
-copy_vec:
- ldmia r0!, {r3-r10} /* copy from source address [r0] */
- stmia r1!, {r3-r10} /* copy to target address [r1] */
- cmp r0, r2 /* until source end address [r2] */
- ble copy_vec
-
- ldmfd r13!,{r4-r10,pc} /* back to caller */
-
-#endif /* #ifdef CONFIG_CM_REMAP */
+++ /dev/null
-#!/bin/sh
-# ---------------------------------------------------------
-# Set the platform defines
-# ---------------------------------------------------------
-echo -n "/* Integrator configuration implied " > tmp.fil
-echo " by Makefile target */" >> tmp.fil
-echo -n "#define CONFIG_INTEGRATOR" >> tmp.fil
-echo " /* Integrator board */" >> tmp.fil
-echo -n "#define CONFIG_ARCH_INTEGRATOR" >> tmp.fil
-echo " 1 /* Integrator/AP */" >> tmp.fil
-# ---------------------------------------------------------
-# Set the core module defines according to Core Module
-# ---------------------------------------------------------
-cpu="arm_intcm"
-variant="unknown core module"
-
-if [ "$1" = "" ]
-then
- echo "$0:: No parameters - using arm_intcm"
-else
- case "$1" in
- ap7_config)
- cpu="arm_intcm"
- variant="unported core module CM7TDMI"
- ;;
-
- ap966)
- cpu="arm_intcm"
- variant="unported core module CM966E-S"
- ;;
-
- ap922_config)
- cpu="arm_intcm"
- variant="unported core module CM922T"
- ;;
-
- integratorap_config | \
- ap_config)
- cpu="arm_intcm"
- variant="unspecified core module"
- ;;
-
- ap720t_config)
- cpu="arm720t"
- echo -n "#define CONFIG_CM720T" >> tmp.fil
- echo " 1 /* CPU core is ARM720T */ " >> tmp.fil
- variant="Core module CM720T"
- ;;
-
- ap922_XA10_config)
- cpu="arm_intcm"
- variant="unported core module CM922T_XA10"
- echo -n "#define CONFIG_CM922T_XA10" >> tmp.fil
- echo " 1 /* CPU core is ARM922T_XA10 */" >> tmp.fil
- ;;
-
- ap920t_config)
- cpu="arm920t"
- variant="Core module CM920T"
- echo -n "#define CONFIG_CM920T" >> tmp.fil
- echo " 1 /* CPU core is ARM920T */" >> tmp.fil
- ;;
-
- ap926ejs_config)
- cpu="arm926ejs"
- variant="Core module CM926EJ-S"
- echo -n "#define CONFIG_CM926EJ_S" >> tmp.fil
- echo " 1 /* CPU core is ARM926EJ-S */ " >> tmp.fil
- ;;
-
- ap946es_config)
- cpu="arm946es"
- variant="Core module CM946E-S"
- echo -n "#define CONFIG_CM946E_S" >> tmp.fil
- echo " 1 /* CPU core is ARM946E-S */ " >> tmp.fil
- ;;
-
- *)
- echo "$0:: Unknown core module"
- variant="unknown core module"
- cpu="arm_intcm"
- ;;
-
- esac
-fi
-
-if [ "$cpu" = "arm_intcm" ]
-then
- echo "/* Core module undefined/not ported */" >> tmp.fil
- echo "#define CONFIG_ARM_INTCM 1" >> tmp.fil
- echo -n "#undef CONFIG_CM_MULTIPLE_SSRAM" >> tmp.fil
- echo -n " /* CM may not have " >> tmp.fil
- echo "multiple SSRAM mapping */" >> tmp.fil
- echo -n "#undef CONFIG_CM_SPD_DETECT " >> tmp.fil
- echo -n " /* CM may not support SPD " >> tmp.fil
- echo "query */" >> tmp.fil
- echo -n "#undef CONFIG_CM_REMAP " >> tmp.fil
- echo -n " /* CM may not support " >> tmp.fil
- echo "remapping */" >> tmp.fil
- echo -n "#undef CONFIG_CM_INIT " >> tmp.fil
- echo -n " /* CM may not have " >> tmp.fil
- echo "initialization reg */" >> tmp.fil
- echo -n "#undef CONFIG_CM_TCRAM " >> tmp.fil
- echo " /* CM may not have TCRAM */" >> tmp.fil
-fi
-
-mkdir -p ${obj}include
-mkdir -p ${obj}board/integratorap
-mv tmp.fil ${obj}include/config.h
-# ---------------------------------------------------------
-# Ensure correct core object loaded first in U-Boot image
-# ---------------------------------------------------------
-sed -r 's/CPU_FILE/cpu\/'$cpu'\/start.o/; s/#.*//' ${src}board/integratorap/u-boot.lds.template > ${obj}board/integratorap/u-boot.lds
-# ---------------------------------------------------------
-# Complete the configuration
-# ---------------------------------------------------------
-$MKCONFIG -a integratorap arm $cpu integratorap;
-echo "Variant:: $variant with core $cpu"
-
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <gj@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
- */
-# Template used during configuration to emsure the core module processor code,
-# from CPU_FILE, is placed at the start of the image */
-
-OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
-OUTPUT_ARCH(arm)
-ENTRY(_start)
-SECTIONS
-{
- . = 0x00000000;
- . = ALIGN(4);
- .text :
- {
- CPU_FILE (.text)
- *(.text)
- }
- .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 = .;
-}
+++ /dev/null
-#
-# (C) Copyright 2000-2006
-# 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 = $(obj)lib$(BOARD).a
-
-COBJS := integratorcp.o flash.o
-SOBJS := lowlevel_init.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
-SOBJS := $(addprefix $(obj),$(SOBJS))
-
-$(LIB): $(obj).depend $(OBJS) $(SOBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
-
-clean:
- rm -f $(SOBJS) $(OBJS)
-
-distclean: clean
- rm -f $(LIB) core *.bak $(obj).depend
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-#
-# image should be loaded at 0x01000000
-#
-
-TEXT_BASE = 0x01000000
-
-ifneq ($(OBJTREE),$(SRCTREE))
-# We are building u-boot in a separate directory, use generated
-# .lds script from OBJTREE directory.
-LDSCRIPT := $(OBJTREE)/board/$(BOARDDIR)/u-boot.lds
-endif
+++ /dev/null
-/*
- * (C) Copyright 2004
- * Xiaogeng (Shawn) Jin, Agilent Technologies, xiaogeng_jin@agilent.com
- *
- * (C) Copyright 2001
- * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
- *
- * (C) Copyright 2001-2004
- * 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>
-#include <linux/byteorder/swab.h>
-
-#define DEBUG
-
-#define PHYS_FLASH_SECT_SIZE 0x00040000 /* 256 KB sectors (x2) */
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
-
-/* Board support for 1 or 2 flash devices */
-#define FLASH_PORT_WIDTH32
-#undef 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")
-
-
-/* Flash Organization Structure */
-typedef struct OrgDef {
- unsigned int sector_number;
- unsigned int sector_size;
-} OrgDef;
-
-
-/* Flash Organizations */
-OrgDef OrgIntel_28F256L18T[] = {
- {4, 32 * 1024}, /* 4 * 32kBytes sectors */
- {255, 128 * 1024}, /* 255 * 128kBytes sectors */
-};
-
-/* CP control register base address */
-#define CPCR_BASE 0xCB000000
-#define CPCR_EXTRABANK 0x8
-#define CPCR_FLASHSIZE 0x4
-#define CPCR_FLWREN 0x2
-#define CPCR_FLVPPEN 0x1
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-unsigned long flash_init (void);
-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);
-void flash_print_info (flash_info_t * info);
-void flash_unprotect_sectors (FPWV * addr);
-int flash_erase (flash_info_t * info, int s_first, int s_last);
-int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt);
-
-/*-----------------------------------------------------------------------
- */
-unsigned long flash_init (void)
-{
- int i, nbanks;
- ulong size = 0;
- vu_long *cpcr = (vu_long *)CPCR_BASE;
-
- /* Check if there is an extra bank of flash */
- if (cpcr[1] & CPCR_EXTRABANK)
- nbanks = 2;
- else
- nbanks = 1;
-
- if (nbanks > CONFIG_SYS_MAX_FLASH_BANKS)
- nbanks = CONFIG_SYS_MAX_FLASH_BANKS;
-
- /* Enable flash write */
- cpcr[1] |= 3;
-
- for (i = 0; i < nbanks; i++) {
- flash_get_size ((FPW *)(CONFIG_SYS_FLASH_BASE + size), &flash_info[i]);
- flash_get_offsets (CONFIG_SYS_FLASH_BASE + size, &flash_info[i]);
- size += flash_info[i].size;
- }
-
-#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
- /* monitor protection */
- flash_protect (FLAG_PROTECT_SET,
- CONFIG_SYS_MONITOR_BASE,
- CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, &flash_info[0]);
-#endif
-
-#ifdef CONFIG_ENV_IS_IN_FLASH
- /* ENV protection ON */
- flash_protect(FLAG_PROTECT_SET,
- CONFIG_ENV_ADDR,
- CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
- &flash_info[0]);
-#endif
-
- /* Protect SIB (0x24800000) and bootMonitor (0x24c00000) */
- flash_protect (FLAG_PROTECT_SET,
- flash_info[0].start[62],
- flash_info[0].start[63] + PHYS_FLASH_SECT_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;
- }
-
- /* Integrator CP board uses 28F640J3C or 28F128J3C parts,
- * which have the same device id numbers as 28F640J3A or
- * 28F128J3A
- */
- switch (info->flash_id & FLASH_TYPEMASK) {
- case FLASH_28F256L18T:
- printf ("FLASH 28F256L18T\n");
- break;
- case FLASH_28F640J3A:
- printf ("FLASH 28F640J3C\n");
- break;
- case FLASH_28F128J3A:
- printf ("FLASH 28F128J3C\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;
- vu_long *cpcr = (vu_long *)CPCR_BASE;
- int nsects;
-
- /* Check the flash size */
- if (cpcr[1] & CPCR_FLASHSIZE)
- nsects = 128;
- else
- nsects = 64;
-
- if (nsects > CONFIG_SYS_MAX_FLASH_SECT)
- nsects = CONFIG_SYS_MAX_FLASH_SECT;
-
- /* 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_28F256L18T):
- info->flash_id += FLASH_28F256L18T;
- info->sector_count = 259;
- info->size = 0x02000000;
- break; /* => 32 MB */
-
- case (FPW) (INTEL_ID_28F640J3A):
- info->flash_id += FLASH_28F640J3A;
- info->sector_count = nsects;
- info->size = nsects * PHYS_FLASH_SECT_SIZE;
- break;
-
- case (FPW) (INTEL_ID_28F128J3A):
- info->flash_id += FLASH_28F128J3A;
- info->sector_count = nsects;
- info->size = nsects * PHYS_FLASH_SECT_SIZE;
- break;
-
- default:
- info->flash_id = FLASH_UNKNOWN;
- break;
- }
-
- if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
- printf ("** ERROR: sector count %d > max (%d) **\n",
- info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
- info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
- }
-
- addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
-
- return (info->size);
-}
-
-
-/* unprotects a sector for write and erase
- * on some intel parts, this unprotects the entire chip, but it
- * wont hurt to call this additional times per sector...
- */
-void flash_unprotect_sectors (FPWV * addr)
-{
- FPW status;
-
- *addr = (FPW) 0x00500050; /* clear status register */
-
- /* this sends the clear lock bit command */
- *addr = (FPW) 0x00600060;
- *addr = (FPW) 0x00D000D0;
-
- reset_timer_masked();
- while (((status = *addr) & (FPW)0x00800080) != 0x00800080) {
- if (get_timer_masked() > CONFIG_SYS_FLASH_ERASE_TOUT) {
- printf("Timeout");
- break;
- }
- }
-
- *addr = (FPW) 0x00FF00FF;
-}
-
-
-/*-----------------------------------------------------------------------
- */
-int flash_erase (flash_info_t * info, int s_first, int s_last)
-{
- int flag, prot, sect;
- ulong type;
- 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 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);
-
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts ();
-
- /* flash_unprotect_sectors (addr); */
-
- /* 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 */
- mb();
-
- udelay(1000); /* Let's wait 1 ms */
-
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts();
-
- while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
- if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) {
- *addr = (FPW)0x00700070;
- status = *addr;
- if ((status & (FPW) 0x00400040) == (FPW) 0x00400040) {
- /* erase suspended? Resume it */
- reset_timer_masked();
- *addr = (FPW) 0x00D000D0;
- } else {
-#ifdef DEBUG
- printf ("Timeout,0x%08lx\n", status);
-#else
- printf("Timeout\n");
-#endif
-
- *addr = (FPW) 0x00500050;
- *addr = (FPW) 0x00FF00FF; /* reset to read mode */
- rcode = 1;
- break;
- }
- }
- }
-
- *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 (%lx)\n", (ulong) addr, *addr);
- return (2);
- }
-
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts ();
-
- /* flash_unprotect_sectors (addr); */
-
- *addr = (FPW) 0x00400040; /* write setup */
- *addr = data;
-
- mb();
-
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts();
-
- /* 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 () > CONFIG_SYS_FLASH_WRITE_TOUT) {
-#ifdef DEBUG
- *addr = (FPW) 0x00700070;
- status = *addr;
- printf("## status=0x%08lx, addr=0x%p\n", status, addr);
-#endif
- *addr = (FPW) 0x00500050; /* clear status register cmd */
- *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
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
- *
- * (C) Copyright 2003
- * Texas Instruments, <www.ti.com>
- * Kshitij Gupta <Kshitij@ti.com>
- *
- * (C) Copyright 2004
- * ARM Ltd.
- * Philippe Robin, <philippe.robin@arm.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>
-#include <div64.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-void flash__init (void);
-void ether__init (void);
-void peripheral_power_enable (void);
-
-#if defined(CONFIG_SHOW_BOOT_PROGRESS)
-void show_boot_progress(int progress)
-{
- printf("Boot reached stage %d\n", progress);
-}
-#endif
-
-#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)
-
-/*
- * Miscellaneous platform dependent initialisations
- */
-
-int board_init (void)
-{
- /* arch number of Integrator Board */
- gd->bd->bi_arch_number = MACH_TYPE_CINTEGRATOR;
-
- /* adress of boot parameters */
- gd->bd->bi_boot_params = 0x00000100;
-
- gd->flags = 0;
-
-#ifdef CONFIG_CM_REMAP
-extern void cm_remap(void);
- cm_remap(); /* remaps writeable memory to 0x00000000 */
-#endif
-
- icache_enable ();
-
- flash__init ();
- ether__init ();
- return 0;
-}
-
-
-int misc_init_r (void)
-{
- setenv("verify", "n");
- return (0);
-}
-
-/******************************
- Routine:
- Description:
-******************************/
-void flash__init (void)
-{
-}
-/*************************************************************
- Routine:ether__init
- Description: take the Ethernet controller out of reset and wait
- for the EEPROM load to complete.
-*************************************************************/
-void ether__init (void)
-{
-}
-
-/******************************
- Routine:
- Description:
-******************************/
-int dram_init (void)
-{
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
-
-#ifdef CONFIG_CM_SPD_DETECT
- {
-extern void dram_query(void);
- unsigned long cm_reg_sdram;
- unsigned long sdram_shift;
-
- dram_query(); /* Assembler accesses to CM registers */
- /* Queries the SPD values */
-
- /* Obtain the SDRAM size from the CM SDRAM register */
-
- cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM);
- /* Register SDRAM size
- *
- * 0xXXXXXXbbb000bb 16 MB
- * 0xXXXXXXbbb001bb 32 MB
- * 0xXXXXXXbbb010bb 64 MB
- * 0xXXXXXXbbb011bb 128 MB
- * 0xXXXXXXbbb100bb 256 MB
- *
- */
- sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4;
- gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift;
-
- }
-#endif /* CM_SPD_DETECT */
-
- return 0;
-}
-
-/* The Integrator/CP timer1 is clocked at 1MHz
- * can be divided by 16 or 256
- * and can be set up as a 32-bit timer
- */
-/* U-Boot expects a 32 bit timer, running at CONFIG_SYS_HZ */
-/* Keep total timer count to avoid losing decrements < div_timer */
-static unsigned long long total_count = 0;
-static unsigned long long lastdec; /* Timer reading at last call */
-static unsigned long long div_clock = 1; /* Divisor applied to timer clock */
-static unsigned long long div_timer = 1; /* Divisor to convert timer reading
- * change to U-Boot ticks
- */
-/* CONFIG_SYS_HZ = CONFIG_SYS_HZ_CLOCK/(div_clock * div_timer) */
-static ulong timestamp; /* U-Boot ticks since startup */
-
-#define TIMER_LOAD_VAL ((ulong)0xFFFFFFFF)
-#define READ_TIMER (*(volatile ulong *)(CONFIG_SYS_TIMERBASE+4))
-
-/* all function return values in U-Boot ticks i.e. (1/CONFIG_SYS_HZ) sec
- * - unless otherwise stated
- */
-
-/* starts up a counter
- * - the Integrator/CP timer can be set up to issue an interrupt */
-int interrupt_init (void)
-{
- /* Load timer with initial value */
- *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0) = TIMER_LOAD_VAL;
- /* Set timer to be
- * enabled 1
- * periodic 1
- * no interrupts 0
- * X 0
- * divider 1 00 == less rounding error
- * 32 bit 1
- * wrapping 0
- */
- *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 8) = 0x000000C2;
- /* init the timestamp */
- total_count = 0ULL;
- reset_timer_masked();
-
- div_timer = (unsigned long long)(CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ);
- div_timer /= div_clock;
-
- return (0);
-}
-
-/*
- * timer without interrupts
- */
-void reset_timer (void)
-{
- reset_timer_masked ();
-}
-
-ulong get_timer (ulong base_ticks)
-{
- return get_timer_masked () - base_ticks;
-}
-
-void set_timer (ulong ticks)
-{
- timestamp = ticks;
- total_count = (unsigned long long)ticks * div_timer;
-}
-
-/* delay usec useconds */
-void udelay (unsigned long usec)
-{
- ulong tmo, tmp;
-
- /* Convert to U-Boot ticks */
- tmo = usec * CONFIG_SYS_HZ;
- tmo /= (1000000L);
-
- tmp = get_timer_masked(); /* get current timestamp */
- tmo += tmp; /* form target timestamp */
-
- while (get_timer_masked () < tmo) {/* loop till event */
- /*NOP*/;
- }
-}
-
-void reset_timer_masked (void)
-{
- /* capure current decrementer value */
- lastdec = (unsigned long long)READ_TIMER;
- /* start "advancing" time stamp from 0 */
- timestamp = 0L;
-}
-
-/* converts the timer reading to U-Boot ticks */
-/* the timestamp is the number of ticks since reset */
-ulong get_timer_masked (void)
-{
- /* get current count */
- unsigned long long now = (unsigned long long)READ_TIMER;
-
- if(now > lastdec) {
- /* Must have wrapped */
- total_count += lastdec + TIMER_LOAD_VAL + 1 - now;
- } else {
- total_count += lastdec - now;
- }
- lastdec = now;
-
- /* Reuse "now" */
- now = total_count;
- do_div(now, div_timer);
- timestamp = now;
-
- return timestamp;
-}
-
-/* waits specified delay value and resets timestamp */
-void udelay_masked (unsigned long usec)
-{
- udelay(usec);
-}
-
-/*
- * This function is derived from PowerPC code (read timebase as long long).
- * On ARM it just returns the timer value.
- */
-unsigned long long get_ticks(void)
-{
- return (unsigned long long)get_timer(0);
-}
-
-/*
- * Return the timebase clock frequency
- * i.e. how often the timer decrements
- */
-ulong get_tbclk (void)
-{
- return (ulong)(((unsigned long long)CONFIG_SYS_HZ_CLOCK)/div_clock);
-}
+++ /dev/null
-/*
- * Board specific setup info
- *
- * (C) Copyright 2003, ARM Ltd.
- * Philippe Robin, <philippe.robin@arm.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 <config.h>
-#include <version.h>
-
-/* Reset using CM control register */
-.global reset_cpu
-reset_cpu:
- mov r0, #CM_BASE
- ldr r1,[r0,#OS_CTRL]
- orr r1,r1,#CMMASK_RESET
- str r1,[r0,#OS_CTRL]
-
-reset_failed:
- b reset_failed
-
-/* Set up the platform, once the cpu has been initialized */
-.globl lowlevel_init
-lowlevel_init:
- /* If U-Boot has been run after the ARM boot monitor
- * then all the necessary actions have been done
- * otherwise we are running from user flash mapped to 0x00000000
- * --- DO NOT REMAP BEFORE THE CODE HAS BEEN RELOCATED --
- * Changes to the (possibly soft) reset defaults of the processor
- * itself should be performed in cpu/arm<>/start.S
- * This function affects only the core module or board settings
- */
-
-#ifdef CONFIG_CM_INIT
- /* CM has an initialization register
- * - bits in it are wired into test-chip pins to force
- * reset defaults
- * - may need to change its contents for U-Boot
- */
-
- /* set the desired CM specific value */
- mov r2,#CMMASK_LOWVEC /* Vectors at 0x00000000 for all */
-
-#if defined (CONFIG_CM10200E) || defined (CONFIG_CM10220E)
- orr r2,r2,#CMMASK_INIT_102
-#else
-
-#if !defined (CONFIG_CM920T) && !defined (CONFIG_CM920T_ETM) && \
- !defined (CONFIG_CM940T)
- /* CMxx6 code */
-
-#ifdef CONFIG_CM_MULTIPLE_SSRAM
- /* set simple mapping */
- and r2,r2,#CMMASK_MAP_SIMPLE
-#endif /* #ifdef CONFIG_CM_MULTIPLE_SSRAM */
-
-#ifdef CONFIG_CM_TCRAM
- /* disable TCRAM */
- and r2,r2,#CMMASK_TCRAM_DISABLE
-#endif /* #ifdef CONFIG_CM_TCRAM */
-
-#if defined (CONFIG_CM926EJ_S) || defined (CONFIG_CM1026EJ_S) || \
- defined (CONFIG_CM1136JF_S)
-
- and r2,r2,#CMMASK_LE
-
-#endif /* cpu with little endian initialization */
-
- orr r2,r2,#CMMASK_CMxx6_COMMON
-
-#endif /* CMxx6 code */
-
-#endif /* ARM102xxE value */
-
- /* read CM_INIT */
- mov r0, #CM_BASE
- ldr r1, [r0, #OS_INIT]
- /* check against desired bit setting */
- and r3,r1,r2
- cmp r3,r2
- beq init_reg_OK
-
- /* lock for change */
- mov r3, #CMVAL_LOCK1
- and r3, r3, #CMVAL_LOCK2
- str r3, [r0, #OS_LOCK]
- /* set desired value */
- orr r1,r1,r2
- /* write & relock CM_INIT */
- str r1, [r0, #OS_INIT]
- mov r1, #CMVAL_UNLOCK
- str r1, [r0, #OS_LOCK]
-
- /* soft reset so new values used */
- b reset_cpu
-
-init_reg_OK:
-
-#endif /* CONFIG_CM_INIT */
-
- mov pc, lr
-
-#ifdef CONFIG_CM_SPD_DETECT
- /* Fast memory is available for the DRAM data
- * - ensure it has been transferred, then summarize the data
- * into a CM register
- */
-.globl dram_query
-dram_query:
- stmfd r13!,{r4-r6,lr}
- /* set up SDRAM info */
- /* - based on example code from the CM User Guide */
- mov r0, #CM_BASE
-
-readspdbit:
- ldr r1, [r0, #OS_SDRAM] /* read the SDRAM register */
- and r1, r1, #0x20 /* mask SPD bit (5) */
- cmp r1, #0x20 /* test if set */
- bne readspdbit
-
-setupsdram:
- add r0, r0, #OS_SPD /* address the copy of the SDP data */
- ldrb r1, [r0, #3] /* number of row address lines */
- ldrb r2, [r0, #4] /* number of column address lines */
- ldrb r3, [r0, #5] /* number of banks */
- ldrb r4, [r0, #31] /* module bank density */
- mul r5, r4, r3 /* size of SDRAM (MB divided by 4) */
- mov r5, r5, ASL#2 /* size in MB */
- mov r0, #CM_BASE /* reload for later code */
- cmp r5, #0x10 /* is it 16MB? */
- bne not16
- mov r6, #0x2 /* store size and CAS latency of 2 */
- b writesize
-
-not16:
- cmp r5, #0x20 /* is it 32MB? */
- bne not32
- mov r6, #0x6
- b writesize
-
-not32:
- cmp r5, #0x40 /* is it 64MB? */
- bne not64
- mov r6, #0xa
- b writesize
-
-not64:
- cmp r5, #0x80 /* is it 128MB? */
- bne not128
- mov r6, #0xe
- b writesize
-
-not128:
- /* if it is none of these sizes then it is either 256MB, or
- * there is no SDRAM fitted so default to 256MB
- */
- mov r6, #0x12
-
-writesize:
- mov r1, r1, ASL#8 /* row addr lines from SDRAM reg */
- orr r2, r1, r2, ASL#12 /* OR in column address lines */
- orr r3, r2, r3, ASL#16 /* OR in number of banks */
- orr r6, r6, r3 /* OR in size and CAS latency */
- str r6, [r0, #OS_SDRAM] /* store SDRAM parameters */
-
-#endif /* #ifdef CONFIG_CM_SPD_DETECT */
-
- ldmfd r13!,{r4-r6,pc} /* back to caller */
-
-#ifdef CONFIG_CM_REMAP
- /* CM remap bit is operational
- * - use it to map writeable memory at 0x00000000, in place of flash
- */
-.globl cm_remap
-cm_remap:
- stmfd r13!,{r4-r10,lr}
-
- mov r0, #CM_BASE
- ldr r1, [r0, #OS_CTRL]
- orr r1, r1, #CMMASK_REMAP /* set remap and led bits */
- str r1, [r0, #OS_CTRL]
-
- /* Now 0x00000000 is writeable, replace the vectors */
- ldr r0, =_start /* r0 <- start of vectors */
- ldr r2, =_armboot_start /* r2 <- past vectors */
- sub r1,r1,r1 /* destination 0x00000000 */
-
-copy_vec:
- ldmia r0!, {r3-r10} /* copy from source address [r0] */
- stmia r1!, {r3-r10} /* copy to target address [r1] */
- cmp r0, r2 /* until source end address [r2] */
- ble copy_vec
-
- ldmfd r13!,{r4-r10,pc} /* back to caller */
-
-#endif /* #ifdef CONFIG_CM_REMAP */
+++ /dev/null
-#!/bin/sh
-# ---------------------------------------------------------
-# Set the platform defines
-# ---------------------------------------------------------
-echo -n "/* Integrator configuration implied " > tmp.fil
-echo " by Makefile target */" >> tmp.fil
-echo -n "#define CONFIG_INTEGRATOR" >> tmp.fil
-echo " /* Integrator board */" >> tmp.fil
-echo -n "#define CONFIG_ARCH_CINTEGRATOR" >> tmp.fil
-echo " 1 /* Integrator/CP */" >> tmp.fil
-
-cpu="arm_intcm"
-variant="unknown core module"
-
-if [ "$1" = "" ]
-then
- echo "$0:: No parameters - using arm_intcm"
-else
- case "$1" in
- ap966)
- cpu="arm_intcm"
- variant="unported core module CM966E-S"
- ;;
-
- ap922_config)
- cpu="arm_intcm"
- variant="unported core module CM922T"
- ;;
-
- integratorcp_config | \
- cp_config)
- cpu="arm_intcm"
- variant="unspecified core module"
- ;;
-
- cp922_XA10_config)
- cpu="arm_intcm"
- variant="unported core module CM922T_XA10"
- echo -n "#define CONFIG_CM922T_XA10" >> tmp.fil
- echo " 1 /* CPU core is ARM922T_XA10 */" >> tmp.fil
- ;;
-
- cp920t_config)
- cpu="arm920t"
- variant="Core module CM920T"
- echo -n "#define CONFIG_CM920T" >> tmp.fil
- echo " 1 /* CPU core is ARM920T */" >> tmp.fil
- ;;
-
- cp926ejs_config)
- cpu="arm926ejs"
- variant="Core module CM926EJ-S"
- echo -n "#define CONFIG_CM926EJ_S" >> tmp.fil
- echo " 1 /* CPU core is ARM926EJ-S */ " >> tmp.fil
- ;;
-
-
- cp946es_config)
- cpu="arm946es"
- variant="Core module CM946E-S"
- echo -n "#define CONFIG_CM946E_S" >> tmp.fil
- echo " 1 /* CPU core is ARM946E-S */ " >> tmp.fil
- ;;
-
- cp1136_config)
- cpu="arm1136"
- variant="Core module CM1136EJF-S"
- echo -n "#define CONFIG_CM1136EJF_S" >> tmp.fil
- echo " 1 /* CPU core is ARM1136JF-S */ " >> tmp.fil
- ;;
-
- *)
- echo "$0:: Unknown core module"
- variant="unknown core module"
- cpu="arm_intcm"
- ;;
-
- esac
-
-fi
-
-if [ "$cpu" = "arm_intcm" ]
-then
- echo "/* Core module undefined/not ported */" >> tmp.fil
- echo "#define CONFIG_ARM_INTCM 1" >> tmp.fil
- echo -n "#undef CONFIG_CM_MULTIPLE_SSRAM" >> tmp.fil
- echo -n " /* CM may not have " >> tmp.fil
- echo "multiple SSRAM mapping */" >> tmp.fil
- echo -n "#undef CONFIG_CM_SPD_DETECT " >> tmp.fil
- echo -n " /* CM may not support SPD " >> tmp.fil
- echo "query */" >> tmp.fil
- echo -n "#undef CONFIG_CM_REMAP " >> tmp.fil
- echo -n " /* CM may not support " >> tmp.fil
- echo "remapping */" >> tmp.fil
- echo -n "#undef CONFIG_CM_INIT " >> tmp.fil
- echo -n " /* CM may not have " >> tmp.fil
- echo "initialization reg */" >> tmp.fil
- echo -n "#undef CONFIG_CM_TCRAM " >> tmp.fil
- echo " /* CM may not have TCRAM */" >> tmp.fil
-fi
-
-mkdir -p ${obj}include
-mkdir -p ${obj}board/integratorcp
-mv tmp.fil ${obj}include/config.h
-# ---------------------------------------------------------
-# Ensure correct core object loaded first in U-Boot image
-# ---------------------------------------------------------
-sed -r 's/CPU_FILE/cpu\/'$cpu'\/start.o/; s/#.*//' ${src}board/integratorcp/u-boot.lds.template > ${obj}board/integratorcp/u-boot.lds
-# ---------------------------------------------------------
-# Complete the configuration
-# ---------------------------------------------------------
-$MKCONFIG -a integratorcp arm $cpu integratorcp;
-echo "Variant:: $variant with core $cpu"
-
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <gj@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
- */
-# Template used during configuration to emsure the core module processor code,
-# from CPU_FILE, is placed at the start of the image */
-
-OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
-OUTPUT_ARCH(arm)
-ENTRY(_start)
-SECTIONS
-{
- . = 0x00000000;
- . = ALIGN(4);
- .text :
- {
- CPU_FILE (.text)
- *(.text)
- }
- .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 = .;
-}
+++ /dev/null
-#
-# (C) Copyright 2000-2006
-# 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 = $(obj)lib$(BOARD).a
-
-COBJS := versatile.o flash.o
-SOBJS := lowlevel_init.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
-SOBJS := $(addprefix $(obj),$(SOBJS))
-
-$(LIB): $(obj).depend $(OBJS) $(SOBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
-
-clean:
- rm -f $(SOBJS) $(OBJS)
-
-distclean: clean
- rm -f $(LIB) core *.bak $(obj).depend
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+++ /dev/null
-#
-# image should be loaded at 0x01000000
-#
-
-TEXT_BASE = 0x01000000
+++ /dev/null
-/*
- * (C) Copyright 2001
- * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
- *
- * (C) Copyright 2001-2004
- * 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>
-#include <linux/byteorder/swab.h>
-
-#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 256 KB sectors (x2) */
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
-
-/* Board support for 1 or 2 flash devices */
-#define FLASH_PORT_WIDTH32
-#undef 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")
-
-
-/* Flash Organization Structure */
-typedef struct OrgDef {
- unsigned int sector_number;
- unsigned int sector_size;
-} OrgDef;
-
-
-/* Flash Organizations */
-OrgDef OrgIntel_28F256K3[] = {
- {256, 128 * 1024}, /* 256 * 128kBytes sectors */
-};
-
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-unsigned long flash_init (void);
-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);
-void flash_print_info (flash_info_t * info);
-void flash_unprotect_sectors (FPWV * addr);
-int flash_erase (flash_info_t * info, int s_first, int s_last);
-int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt);
-
-/*-----------------------------------------------------------------------
- */
-
-static void flash_vpp(int on)
-{
- unsigned int tmp;
-
- tmp = *(unsigned int *)(VERSATILE_FLASHCTRL);
-
- if (on)
- tmp |= VERSATILE_FLASHPROG_FLVPPEN;
- else
- tmp &= ~VERSATILE_FLASHPROG_FLVPPEN;
-
- *(unsigned int *)(VERSATILE_FLASHCTRL) = tmp;
-}
-
-unsigned long flash_init (void)
-{
- int i;
- ulong size = 0;
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
- switch (i) {
- case 0:
- flash_vpp(1);
- flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]);
- flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
- flash_vpp(0);
- 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,
- CONFIG_SYS_FLASH_BASE,
- CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1, &flash_info[0]);
-
- return size;
-}
-
-/*-----------------------------------------------------------------------
- */
-static void flash_get_offsets (ulong base, flash_info_t * info)
-{
- int i;
- OrgDef *pOrgDef;
-
- pOrgDef = OrgIntel_28F256K3;
- if (info->flash_id == FLASH_UNKNOWN) {
- return;
- }
-
- if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
- for (i = 0; i < info->sector_count; i++) {
- if (i > 255) {
- info->start[i] = base + (i * 0x8000);
- info->protect[i] = 0;
- } else {
- 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_28F256L18T:
- printf ("FLASH 28F256L18T\n");
- break;
- case FLASH_28F256K3:
- printf ("FLASH 28F256K3\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_28F256L18T):
- info->flash_id += FLASH_28F256L18T;
- info->sector_count = 259;
- info->size = 0x02000000;
- break; /* => 32 MB */
-
- case (FPW)(INTEL_ID_28F256K3):
- info->flash_id += FLASH_28F256K3;
- info->sector_count = 256;
- info->size = 0x02000000;
- break;
-
- default:
- info->flash_id = FLASH_UNKNOWN;
- break;
- }
-
- if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
- printf ("** ERROR: sector count %d > max (%d) **\n",
- info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
- info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
- }
-
- addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
-
- return (info->size);
-}
-
-
-/* unprotects a sector for write and erase
- * on some intel parts, this unprotects the entire chip, but it
- * wont hurt to call this additional times per sector...
- */
-void flash_unprotect_sectors (FPWV * addr)
-{
-#define PD_FINTEL_WSMS_READY_MASK 0x0080
-
- *addr = (FPW) 0x00500050; /* clear status register */
-
- /* this sends the clear lock bit command */
- *addr = (FPW) 0x00600060;
- *addr = (FPW) 0x00D000D0;
-}
-
-
-/*-----------------------------------------------------------------------
- */
-
-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");
- }
-
- flash_vpp(1);
-
- 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);
-
- flash_unprotect_sectors (addr);
-
- /* 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 () >
- CONFIG_SYS_FLASH_ERASE_TOUT) {
- printf ("Timeout\n");
- /* suspend erase */
- *addr = (FPW) 0x00B000B0;
- /* reset to read mode */
- *addr = (FPW) 0x00FF00FF;
- rcode = 1;
- break;
- }
- }
-
- /* clear status register cmd. */
- *addr = (FPW) 0x00500050;
- *addr = (FPW) 0x00FF00FF;/* resest to read mode */
- printf (" done\n");
- }
- }
-
- flash_vpp(0);
-
- 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
-
- flash_vpp(1);
-
- /*
- * 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) {
- flash_vpp(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) {
- flash_vpp(0);
- return (rc);
- }
- wp += port_width;
- cnt -= port_width;
- if (count++ > 0x800) {
- spin_wheel ();
- count = 0;
- }
- }
-
- if (cnt == 0) {
- flash_vpp(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);
- }
-
- rc = write_data (info, wp, SWAP (data));
-
- flash_vpp(0);
-
- return rc;
-}
-
-/*-----------------------------------------------------------------------
- * 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 (%lx)\n", (ulong) addr, (ulong) *addr);
- return (2);
- }
-
- flash_vpp(1);
-
- flash_unprotect_sectors (addr);
- /* 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 () > CONFIG_SYS_FLASH_WRITE_TOUT) {
- *addr = (FPW) 0x00FF00FF; /* restore read mode */
- flash_vpp(0);
- return (1);
- }
- }
- *addr = (FPW) 0x00FF00FF; /* restore read mode */
- flash_vpp(0);
- 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, ARM Ltd.
- * Philippe Robin, <philippe.robin@arm.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 <config.h>
-#include <version.h>
-
-/* Set up the platform, once the cpu has been initialized */
-.globl lowlevel_init
-lowlevel_init:
-
- /* All done by Versatile's boot monitor! */
- mov pc, lr
+++ /dev/null
-#!/bin/sh
-# ---------------------------------------------------------
-# Set the core module defines according to Core Module
-# ---------------------------------------------------------
-# ---------------------------------------------------------
-# Set up the Versatile type define
-# ---------------------------------------------------------
-
-mkdir -p ${obj}include
-variant=PB926EJ-S
-if [ "$1" = "" ]
-then
- echo "$0:: No parameters - using versatilepb_config"
- echo "#define CONFIG_ARCH_VERSATILE_PB" > ${obj}include/config.h
- variant=PB926EJ-S
-else
- case "$1" in
- versatilepb_config | \
- versatile_config)
- echo "#define CONFIG_ARCH_VERSATILE_PB" > ${obj}include/config.h
- ;;
-
- versatileab_config)
- echo "#define CONFIG_ARCH_VERSATILE_AB" > ${obj}include/config.h
- variant=AB926EJ-S
- ;;
-
-
- *)
- echo "$0:: Unrecognised config - using versatilepb_config"
- echo "#define CONFIG_ARCH_VERSATILE_PB" > ${obj}include/config.h
- variant=PB926EJ-S
- ;;
-
- esac
-
-fi
-# ---------------------------------------------------------
-# Complete the configuration
-# ---------------------------------------------------------
-$MKCONFIG -a versatile arm arm926ejs versatile NULL versatile
-echo "Variant:: $variant"
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <gj@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_ARCH(arm)
-ENTRY(_start)
-SECTIONS
-{
- . = 0x00000000;
- . = ALIGN(4);
- .text :
- {
- cpu/arm926ejs/start.o (.text)
- *(.text)
- }
- .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 (NOLOAD) : { *(.bss) . = ALIGN(4); }
- _end = .;
-}
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
- *
- * (C) Copyright 2003
- * Texas Instruments, <www.ti.com>
- * Kshitij Gupta <Kshitij@ti.com>
- *
- * (C) Copyright 2004
- * ARM Ltd.
- * Philippe Robin, <philippe.robin@arm.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>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if defined(CONFIG_SHOW_BOOT_PROGRESS)
-void show_boot_progress(int progress)
-{
- printf("Boot reached stage %d\n", progress);
-}
-#endif
-
-#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)
-
-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)
-{
- /*
- * set clock frequency:
- * VERSATILE_REFCLK is 32KHz
- * VERSATILE_TIMCLK is 1MHz
- */
- *(volatile unsigned int *)(VERSATILE_SCTL_BASE) |=
- ((VERSATILE_TIMCLK << VERSATILE_TIMER1_EnSel) | (VERSATILE_TIMCLK << VERSATILE_TIMER2_EnSel) |
- (VERSATILE_TIMCLK << VERSATILE_TIMER3_EnSel) | (VERSATILE_TIMCLK << VERSATILE_TIMER4_EnSel));
-
- /* arch number of Versatile Board */
- gd->bd->bi_arch_number = MACH_TYPE_VERSATILE_PB;
-
- /* adress of boot parameters */
- gd->bd->bi_boot_params = 0x00000100;
-
- gd->flags = 0;
-
- icache_enable ();
-
- return 0;
-}
-
-
-int misc_init_r (void)
-{
- setenv("verify", "n");
- return (0);
-}
-
-/******************************
- Routine:
- Description:
-******************************/
-int dram_init (void)
-{
- return 0;
-}
projects / u-boot / commitdiff