Changes for U-Boot 1.0.2:
======================================================================
+* Patch by Andrea Scian, 17 Feb 2004:
+ Add support for S3C44B0 processor and DAVE B2 board
+
+* Patch by Steven Scholz, 20 Feb 2004:
+ - Add support for MII commands on AT91RM9200 boards
+ - some cleanup in AT91RM9200 ethernet code
+
* Patch by Peter Ryser, 20 Feb 2004:
Add support for the Xilinx ML300 platform
## ARM7 Systems
#########################################################################
-LIST_ARM7="ep7312 impa7"
+LIST_ARM7="B2 ep7312 impa7"
#########################################################################
## ARM9 Systems
VCMA9_config : unconfig
@./mkconfig $(@:_config=) arm arm920t vcma9 mpl
+
+#########################################################################
+## S3C44B0 Systems
+#########################################################################
+
+B2_config : unconfig
+ @./mkconfig $(@:_config=) arm s3c44b0 B2 dave
+
#########################################################################
## ARM720T Systems
#########################################################################
--- /dev/null
+#
+# (C) Copyright 2002
+# Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+# Marius Groeger <mgroeger@sysgo.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = lib$(BOARD).a
+
+OBJS := B2.o flash.o
+SOBJS := memsetup.o
+
+$(LIB): $(OBJS) $(SOBJS)
+ $(AR) crv $@ $(OBJS) $(SOBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+-include .depend
+
+#########################################################################
--- /dev/null
+#
+# (C) Copyright 2000
+# Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+# Marius Groeger <mgroeger@sysgo.de>
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+TEXT_BASE = 0x0C100000
+
+PLATFORM_CPPFLAGS += -Uarm
--- /dev/null
+/*
+ * (C) Copyright 2001
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 <asm/hardware.h>
+
+/*
+ * include common flash code (for esd boards)
+ */
+#include "../common/flash.c"
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (vu_long * addr, flash_info_t * info);
+static void flash_get_offsets (ulong base, flash_info_t * info);
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+#ifdef __DEBUG_START_FROM_SRAM__
+ return CFG_DUMMY_FLASH_SIZE;
+#else
+ unsigned long size_b0;
+ int i;
+ uint pbcr;
+ unsigned long base_b0;
+ int size_val = 0;
+
+ /* Init: no FLASHes known */
+ for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ }
+
+ /* Static FLASH Bank configuration here - FIXME XXX */
+
+ size_b0 = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
+
+ if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+ printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+ size_b0, size_b0<<20);
+ }
+
+ /* Setup offsets */
+ flash_get_offsets (0, &flash_info[0]);
+
+ /* Monitor protection ON by default */
+ (void)flash_protect(FLAG_PROTECT_SET,
+ -CFG_MONITOR_LEN,
+ 0xffffffff,
+ &flash_info[0]);
+
+ flash_info[0].size = size_b0;
+
+ return (size_b0);
+#endif
+}
--- /dev/null
+/*
+ * (C) Copyright 2004
+ * DAVE Srl
+ *
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:info@wawnet.biz
+ *
+ * memsetup-sa1110.S (blob): memory setup for various SA1110 architectures
+ * Modified By MATTO
+ *
+ * Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ *
+ * 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
+ *
+ */
+
+/*
+ * Documentation:
+ * Intel Corporation, "Intel StrongARM SA-1110 Microprocessor
+ * Advanced Developer's manual, December 1999
+ *
+ * Intel has a very hard to find SDRAM configurator on their web site:
+ * http://appzone.intel.com/hcd/sa1110/memory/index.asp
+ *
+ * NOTE: This code assumes that an SA1110 CPU *always* uses SDRAM. This
+ * appears to be true, but it might be possible that somebody designs a
+ * board with mixed EDODRAM/SDRAM memory (which is a bad idea). -- Erik
+ *
+ * 04-10-2001: SELETZ
+ * - separated memory config for multiple platform support
+ * - perform SA1110 Hardware Reset Procedure
+ *
+ */
+
+.equ B0_Tacs, 0x0 /* 0clk */
+.equ B0_Tcos, 0x0 /* 0clk */
+.equ B0_Tacc, 0x4 /* 6clk */
+.equ B0_Tcoh, 0x0 /* 0clk */
+.equ B0_Tah, 0x0 /* 0clk */
+.equ B0_Tacp, 0x0 /* 0clk */
+.equ B0_PMC, 0x0 /* normal(1data) */
+/* Bank 1 parameter */
+.equ B1_Tacs, 0x3 /* 4clk */
+.equ B1_Tcos, 0x3 /* 4clk */
+.equ B1_Tacc, 0x7 /* 14clkv */
+.equ B1_Tcoh, 0x3 /* 4clk */
+.equ B1_Tah, 0x3 /* 4clk */
+.equ B1_Tacp, 0x3 /* 6clk */
+.equ B1_PMC, 0x0 /* normal(1data) */
+
+/* Bank 2 parameter - LAN91C96 */
+.equ B2_Tacs, 0x3 /* 4clk */
+.equ B2_Tcos, 0x3 /* 4clk */
+.equ B2_Tacc, 0x7 /* 14clk */
+.equ B2_Tcoh, 0x3 /* 4clk */
+.equ B2_Tah, 0x3 /* 4clk */
+.equ B2_Tacp, 0x3 /* 6clk */
+.equ B2_PMC, 0x0 /* normal(1data) */
+
+/* Bank 3 parameter */
+.equ B3_Tacs, 0x3 /* 4clk */
+.equ B3_Tcos, 0x3 /* 4clk */
+.equ B3_Tacc, 0x7 /* 14clk */
+.equ B3_Tcoh, 0x3 /* 4clk */
+.equ B3_Tah, 0x3 /* 4clk */
+.equ B3_Tacp, 0x3 /* 6clk */
+.equ B3_PMC, 0x0 /* normal(1data) */
+
+/* Bank 4 parameter */
+.equ B4_Tacs, 0x3 /* 4clk */
+.equ B4_Tcos, 0x3 /* 4clk */
+.equ B4_Tacc, 0x7 /* 14clk */
+.equ B4_Tcoh, 0x3 /* 4clk */
+.equ B4_Tah, 0x3 /* 4clk */
+.equ B4_Tacp, 0x3 /* 6clk */
+.equ B4_PMC, 0x0 /* normal(1data) */
+
+/* Bank 5 parameter */
+.equ B5_Tacs, 0x3 /* 4clk */
+.equ B5_Tcos, 0x3 /* 4clk */
+.equ B5_Tacc, 0x7 /* 14clk */
+.equ B5_Tcoh, 0x3 /* 4clk */
+.equ B5_Tah, 0x3 /* 4clk */
+.equ B5_Tacp, 0x3 /* 6clk */
+.equ B5_PMC, 0x0 /* normal(1data) */
+
+/* Bank 6(if SROM) parameter */
+.equ B6_Tacs, 0x3 /* 4clk */
+.equ B6_Tcos, 0x3 /* 4clk */
+.equ B6_Tacc, 0x7 /* 14clk */
+.equ B6_Tcoh, 0x3 /* 4clk */
+.equ B6_Tah, 0x3 /* 4clk */
+.equ B6_Tacp, 0x3 /* 6clk */
+.equ B6_PMC, 0x0 /* normal(1data) */
+
+/* Bank 7(if SROM) parameter */
+.equ B7_Tacs, 0x3 /* 4clk */
+.equ B7_Tcos, 0x3 /* 4clk */
+.equ B7_Tacc, 0x7 /* 14clk */
+.equ B7_Tcoh, 0x3 /* 4clk */
+.equ B7_Tah, 0x3 /* 4clk */
+.equ B7_Tacp, 0x3 /* 6clk */
+.equ B7_PMC, 0x0 /* normal(1data) */
+
+/* Bank 6 parameter */
+.equ B6_MT, 0x3 /* SDRAM */
+.equ B6_Trcd, 0x0 /* 2clk */
+.equ B6_SCAN, 0x0 /* 10bit */
+
+.equ B7_MT, 0x3 /* SDRAM */
+.equ B7_Trcd, 0x0 /* 2clk */
+.equ B7_SCAN, 0x0 /* 10bit */
+
+
+/* REFRESH parameter */
+.equ REFEN, 0x1 /* Refresh enable */
+.equ TREFMD, 0x0 /* CBR(CAS before RAS)/Auto refresh */
+.equ Trp, 0x0 /* 2clk */
+.equ Trc, 0x3 /* 0x1=5clk 0x3=11clk*/
+.equ Tchr, 0x0 /* 0x2=3clk 0x0=0clks */
+.equ REFCNT, 879
+
+MEMORY_CONFIG:
+ .long 0x12111900 /* Bank0 = OM[1:0] , Bank1-7 16bit, Bank2=Nowait,UB/LB*/
+ .word ((B0_Tacs<<13)+(B0_Tcos<<11)+(B0_Tacc<<8)+(B0_Tcoh<<6)+(B0_Tah<<4)+(B0_Tacp<<2)+(B0_PMC)) /*GCS0*/
+ .word ((B1_Tacs<<13)+(B1_Tcos<<11)+(B1_Tacc<<8)+(B1_Tcoh<<6)+(B1_Tah<<4)+(B1_Tacp<<2)+(B1_PMC)) /*GCS1*/
+ .word ((B2_Tacs<<13)+(B2_Tcos<<11)+(B2_Tacc<<8)+(B2_Tcoh<<6)+(B2_Tah<<4)+(B2_Tacp<<2)+(B2_PMC)) /*GCS2*/
+ .word ((B3_Tacs<<13)+(B3_Tcos<<11)+(B3_Tacc<<8)+(B3_Tcoh<<6)+(B3_Tah<<4)+(B3_Tacp<<2)+(B3_PMC)) /*GCS3*/
+ .word ((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC)) /*GCS4*/
+ .word ((B5_Tacs<<13)+(B5_Tcos<<11)+(B5_Tacc<<8)+(B5_Tcoh<<6)+(B5_Tah<<4)+(B5_Tacp<<2)+(B5_PMC)) /*GCS5*/
+ .word ((B6_MT<<15)+(B6_Trcd<<2)+(B6_SCAN)) /*GCS6*/
+ .word ((B7_MT<<15)+(B7_Trcd<<2)+(B7_SCAN)) /*GCS7*/
+ .word ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT) /*REFRESH RFEN=1, TREFMD=0, trp=3clk, trc=5clk, tchr=3clk,count=1019*/
+ .word 0x17 /*SCLK power down mode, BANKSIZE 16M/16M*/
+ .word 0x20 /*MRSR6 CL=2clk*/
+ .word 0x20 /*MRSR7*/
+
+
+.globl memsetup
+memsetup:
+
+ /*
+ the next instruction fail due memory relocation...
+ we'll find the right MEMORY_CONFIG address with the next 3 lines...
+ */
+ /*ldr r0, =MEMORY_CONFIG*/
+ mov r0, pc
+ ldr r1, =(0x38+4)
+ sub r0, r0, r1
+
+ ldmia r0, {r1-r13}
+ ldr r0, =0x01c80000
+ stmia r0, {r1-r13}
+ mov pc, lr
--- /dev/null
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ cpu/s3c44b0/start.o (.text)
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(.rodata) }
+
+ . = ALIGN(4);
+ .data : { *(.data) }
+
+ . = ALIGN(4);
+ .got : { *(.got) }
+
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ armboot_end_data = .;
+
+ . = ALIGN(4);
+ .bss : { *(.bss) }
+
+ armboot_end = .;
+}
*/
#include <common.h>
-#include <ppc4xx.h>
#include <asm/processor.h>
flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
if ((l = addr - wp) != 0) {
data = 0;
for (i=0, cp=wp; i<l; ++i, ++cp) {
+#ifdef CONFIG_B2
+ data = data | ((*(uchar *)cp)<<(8*i));
+#else
data = (data << 8) | (*(uchar *)cp);
+#endif
}
for (; i<4 && cnt>0; ++i) {
+#ifdef CONFIG_B2
+ data = data | ((*src++)<<(8*i));
+#else
data = (data << 8) | *src++;
+#endif
--cnt;
++cp;
}
for (; cnt==0 && i<4; ++i, ++cp) {
+#ifdef CONFIG_B2
+ data = data | ((*(uchar *)cp)<<(8*i));
+#else
data = (data << 8) | (*(uchar *)cp);
+#endif
}
if ((rc = write_word(info, wp, data)) != 0) {
*/
while (cnt >= 4) {
data = 0;
+#ifdef CONFIG_B2
+ data = (*(ulong*)src);
+ src += 4;
+#else
for (i=0; i<4; ++i) {
data = (data << 8) | *src++;
}
+#endif
if ((rc = write_word(info, wp, data)) != 0) {
return (rc);
}
*/
data = 0;
for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
+#ifdef CONFIG_B2
+ data = data | ((*src++)<<(8*i));
+#else
data = (data << 8) | *src++;
+#endif
--cnt;
}
for (; i<4; ++i, ++cp) {
+#ifdef CONFIG_B2
+ data = data | ((*(uchar *)cp)<<(8*i));
+#else
data = (data << 8) | (*(uchar *)cp);
+#endif
}
return (write_word(info, wp, data));
unsigned short *pInput)
{
p_mac->EMAC_MAN = (AT91C_EMAC_HIGH & ~AT91C_EMAC_LOW) |
- (AT91C_EMAC_CODE_802_3) | (AT91C_EMAC_RW_R) |
- (RegisterAddress << 18);
+ (AT91C_EMAC_RW_R) |
+ (RegisterAddress << 18) |
+ (AT91C_EMAC_CODE_802_3);
udelay (10000);
p_mac->EMAC_RBQP = (long) (&rbfdt[0]);
p_mac->EMAC_RSR &= ~(AT91C_EMAC_RSR_OVR | AT91C_EMAC_REC | AT91C_EMAC_BNA);
- p_mac->EMAC_CFG = (p_mac->EMAC_CFG | AT91C_EMAC_CAF | AT91C_EMAC_NBC | AT91C_EMAC_RMII)
+
+ p_mac->EMAC_CFG = (p_mac->EMAC_CFG | AT91C_EMAC_CAF | AT91C_EMAC_NBC)
& ~AT91C_EMAC_CLK;
+
+#ifdef CONFIG_AT91C_USE_RMII
+ p_mac->EMAC_CFG |= AT91C_EMAC_RMII;
+#endif
+
p_mac->EMAC_CTL |= AT91C_EMAC_TE | AT91C_EMAC_RE;
return 0;
void eth_halt (void)
{
};
+
+#if (CONFIG_COMMANDS & CFG_CMD_MII)
+int miiphy_read(unsigned char addr, unsigned char reg, unsigned short * value)
+{
+ at91rm9200_EmacEnableMDIO (p_mac);
+ at91rm9200_EmacReadPhy (p_mac, reg, value);
+ at91rm9200_EmacDisableMDIO (p_mac);
+ return 0;
+}
+
+int miiphy_write(unsigned char addr, unsigned char reg, unsigned short value)
+{
+ at91rm9200_EmacEnableMDIO (p_mac);
+ at91rm9200_EmacWritePhy (p_mac, reg, &value);
+ at91rm9200_EmacDisableMDIO (p_mac);
+ return 0;
+}
+#endif /* CONFIG_COMMANDS & CFG_CMD_MII */
+
#endif /* CONFIG_COMMANDS & CFG_CMD_NET */
+
#endif /* CONFIG_DRIVER_ETHER */
--- /dev/null
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = lib$(CPU).a
+
+START = start.o
+OBJS = serial.o interrupts.o cpu.o
+
+all: .depend $(START) $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
--- /dev/null
+#
+# (C) Copyright 2002
+# Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+# Marius Groeger <mgroeger@sysgo.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
+#
+
+PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \
+ -mshort-load-bytes -msoft-float
+
+PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=arm7tdmi -msoft-float
--- /dev/null
+/*
+ * (C) Copyright 2004
+ * DAVE Srl
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:info@wawnet.biz
+ *
+ * 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
+ */
+
+/*
+ * S3C44B0 CPU specific code
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/hardware.h>
+
+static void s3c44b0_flush_cache(void)
+{
+ volatile int i;
+ /* flush cycle */
+ for(i=0x10002000;i<0x10004800;i+=16)
+ {
+ *((int *)i)=0x0;
+ }
+}
+
+
+int cpu_init (void)
+{
+ icache_enable();
+
+ return 0;
+}
+
+int cleanup_before_linux (void)
+{
+ /*
+ cache memory should be enabled before calling
+ Linux to make the kernel uncompression faster
+ */
+ icache_enable();
+
+ disable_interrupts ();
+
+ return 0;
+}
+
+void reset_cpu (ulong addr)
+{
+ /*
+ reset the cpu using watchdog
+ */
+
+ /* Disable the watchdog.*/
+ WTCON&=~(1<<5);
+
+ /* set the timeout value to a short time... */
+ WTCNT = 0x1;
+
+ /* Enable the watchdog. */
+ WTCON|=1;
+ WTCON|=(1<<5);
+
+ while(1) {
+ /*NOP*/
+ }
+}
+
+int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ extern void reset_cpu (ulong addr);
+
+ disable_interrupts ();
+ reset_cpu (0);
+
+ /*NOTREACHED*/
+ return (0);
+}
+
+void icache_enable (void)
+{
+ ulong reg;
+
+ s3c44b0_flush_cache();
+
+ /*
+ Init cache
+ Non-cacheable area (everything outside RAM)
+ 0x0000:0000 - 0x0C00:0000
+ */
+ NCACHBE0 = 0xC0000000;
+ NCACHBE1 = 0x00000000;
+
+ /*
+ Enable chache
+ */
+ reg = SYSCFG;
+ reg |= 0x00000006; /* 8kB */
+ SYSCFG = reg;
+}
+
+void icache_disable (void)
+{
+ ulong reg;
+
+ reg = SYSCFG;
+ reg &= ~0x00000006; /* 8kB */
+ SYSCFG = reg;
+}
+
+int icache_status (void)
+{
+ return 0;
+}
+
+void dcache_enable (void)
+{
+ icache_enable();
+}
+
+void dcache_disable (void)
+{
+ icache_disable();
+}
+
+int dcache_status (void)
+{
+ return dcache_status();
+}
+
+/*
+ RTC stuff
+*/
+#include <rtc.h>
+#ifndef BCD2HEX
+ #define BCD2HEX(n) ((n>>4)*10+(n&0x0f))
+#endif
+#ifndef HEX2BCD
+ #define HEX2BCD(x) ((((x) / 10) << 4) + (x) % 10)
+#endif
+
+void rtc_get (struct rtc_time* tm)
+{
+ RTCCON |= 1;
+ tm->tm_year = BCD2HEX(BCDYEAR);
+ tm->tm_mon = BCD2HEX(BCDMON);
+ tm->tm_wday = BCD2HEX(BCDDATE);
+ tm->tm_mday = BCD2HEX(BCDDAY);
+ tm->tm_hour = BCD2HEX(BCDHOUR);
+ tm->tm_min = BCD2HEX(BCDMIN);
+ tm->tm_sec = BCD2HEX(BCDSEC);
+
+ if (tm->tm_sec==0) {
+ /* we have to re-read the rtc data because of the "one second deviation" problem */
+ /* see RTC datasheet for more info about it */
+ tm->tm_year = BCD2HEX(BCDYEAR);
+ tm->tm_mon = BCD2HEX(BCDMON);
+ tm->tm_mday = BCD2HEX(BCDDAY);
+ tm->tm_wday = BCD2HEX(BCDDATE);
+ tm->tm_hour = BCD2HEX(BCDHOUR);
+ tm->tm_min = BCD2HEX(BCDMIN);
+ tm->tm_sec = BCD2HEX(BCDSEC);
+ }
+
+ RTCCON &= ~1;
+
+ if(tm->tm_year >= 70)
+ tm->tm_year += 1900;
+ else
+ tm->tm_year += 2000;
+}
+
+void rtc_set (struct rtc_time* tm)
+{
+ if(tm->tm_year < 2000)
+ tm->tm_year -= 1900;
+ else
+ tm->tm_year -= 2000;
+
+ RTCCON |= 1;
+ BCDYEAR = HEX2BCD(tm->tm_year);
+ BCDMON = HEX2BCD(tm->tm_mon);
+ BCDDAY = HEX2BCD(tm->tm_mday);
+ BCDDATE = HEX2BCD(tm->tm_wday);
+ BCDHOUR = HEX2BCD(tm->tm_hour);
+ BCDMIN = HEX2BCD(tm->tm_min);
+ BCDSEC = HEX2BCD(tm->tm_sec);
+ RTCCON &= 1;
+}
+
+void rtc_reset (void)
+{
+ RTCCON |= 1;
+ BCDYEAR = 0;
+ BCDMON = 0;
+ BCDDAY = 0;
+ BCDDATE = 0;
+ BCDHOUR = 0;
+ BCDMIN = 0;
+ BCDSEC = 0;
+ RTCCON &= 1;
+}
+
+
+/*
+ I2C stuff
+*/
+
+/*
+ * Initialization, must be called once on start up, may be called
+ * repeatedly to change the speed and slave addresses.
+ */
+void i2c_init(int speed, int slaveaddr)
+{
+ /*
+ setting up I2C support
+ */
+ unsigned int save_F,save_PF,rIICCON,rPCONA,rPDATA,rPCONF,rPUPF;
+
+ save_F = PCONF;
+ save_PF = PUPF;
+
+ rPCONF = ((save_F & ~(0xF))| 0xa);
+ rPUPF = (save_PF | 0x3);
+ PCONF = rPCONF; /*PF0:IICSCL, PF1:IICSDA*/
+ PUPF = rPUPF; /* Disable pull-up */
+
+ /* Configuring pin for WC pin of EEprom */
+ rPCONA = PCONA;
+ rPCONA &= ~(1<<9);
+ PCONA = rPCONA;
+
+ rPDATA = PDATA;
+ rPDATA &= ~(1<<9);
+ PDATA = rPDATA;
+
+ /*
+ Enable ACK, IICCLK=MCLK/16, enable interrupt
+ 75Mhz/16/(12+1) = 390625 Hz
+ */
+ rIICCON=(1<<7)|(0<<6)|(1<<5)|(0xC);
+ IICCON = rIICCON;
+
+ IICADD = slaveaddr;
+}
+
+/*
+ * Probe the given I2C chip address. Returns 0 if a chip responded,
+ * not 0 on failure.
+ */
+int i2c_probe(uchar chip)
+{
+ /*
+ not implemented
+ */
+
+ printf(__FUNCTION__ " chip %d\n", (int) chip);
+ return -1;
+}
+
+/*
+ * Read/Write interface:
+ * chip: I2C chip address, range 0..127
+ * addr: Memory (register) address within the chip
+ * alen: Number of bytes to use for addr (typically 1, 2 for larger
+ * memories, 0 for register type devices with only one
+ * register)
+ * buffer: Where to read/write the data
+ * len: How many bytes to read/write
+ *
+ * Returns: 0 on success, not 0 on failure
+ */
+
+#define S3C44B0X_rIIC_INTPEND (1<<4)
+#define S3C44B0X_rIIC_LAST_RECEIV_BIT (1<<0)
+#define S3C44B0X_rIIC_INTERRUPT_ENABLE (1<<5)
+#define S3C44B0_IIC_TIMEOUT 100
+
+int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
+{
+
+ int k, j, temp;
+ u32 rIICSTAT;
+
+ /*
+ send the device offset
+ */
+
+ rIICSTAT = 0xD0;
+ IICSTAT = rIICSTAT;
+
+ IICDS = chip; /* this is a write operation... */
+
+ rIICSTAT |= (1<<5);
+ IICSTAT = rIICSTAT;
+
+ for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
+ temp = IICCON;
+ if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
+ break;
+ udelay(2000);
+ }
+ if (k==S3C44B0_IIC_TIMEOUT)
+ return -1;
+
+ /* wait and check ACK */
+ temp = IICSTAT;
+ if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT )
+ return -1;
+
+ IICDS = addr;
+ IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND);
+
+ /* wait and check ACK */
+ for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
+ temp = IICCON;
+ if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
+ break;
+ udelay(2000);
+ }
+ if (k==S3C44B0_IIC_TIMEOUT)
+ return -1;
+
+ temp = IICSTAT;
+ if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT )
+ return -1;
+
+ /*
+ now we can start with the read operation...
+ */
+
+ IICDS = chip | 0x01; /* this is a read operation... */
+
+ rIICSTAT = 0x90; /*master recv*/
+ rIICSTAT |= (1<<5);
+ IICSTAT = rIICSTAT;
+
+ IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND);
+
+ /* wait and check ACK */
+ for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
+ temp = IICCON;
+ if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
+ break;
+ udelay(2000);
+ }
+ if (k==S3C44B0_IIC_TIMEOUT)
+ return -1;
+
+ temp = IICSTAT;
+ if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT )
+ return -1;
+
+ for (j=0; j<len-1; j++) {
+
+ /*clear pending bit to resume */
+
+ temp = IICCON & ~(S3C44B0X_rIIC_INTPEND);
+ IICCON = temp;
+
+ /* wait and check ACK */
+ for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
+ temp = IICCON;
+ if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
+ break;
+ udelay(2000);
+ }
+ if (k==S3C44B0_IIC_TIMEOUT)
+ return -1;
+
+
+ buffer[j] = IICDS; /*save readed data*/
+
+ } /*end for(j)*/
+
+ /*
+ reading the last data
+ unset ACK generation
+ */
+ temp = IICCON & ~(S3C44B0X_rIIC_INTPEND | (1<<7));
+ IICCON = temp;
+
+ /* wait but NOT check ACK */
+ for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
+ temp = IICCON;
+ if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
+ break;
+ udelay(2000);
+ }
+ if (k==S3C44B0_IIC_TIMEOUT)
+ return -1;
+
+ buffer[j] = IICDS; /*save readed data*/
+
+ rIICSTAT = 0x90; /*master recv*/
+
+ /* Write operation Terminate sending STOP */
+ IICSTAT = rIICSTAT;
+ /*Clear Int Pending Bit to RESUME*/
+ temp = IICCON;
+ IICCON = temp & (~S3C44B0X_rIIC_INTPEND);
+
+ IICCON = IICCON | (1<<7); /*restore ACK generation*/
+
+ return 0;
+}
+
+int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
+{
+ int j, k;
+ u32 rIICSTAT, temp;
+
+
+ /*
+ send the device offset
+ */
+
+ rIICSTAT = 0xD0;
+ IICSTAT = rIICSTAT;
+
+ IICDS = chip; /* this is a write operation... */
+
+ rIICSTAT |= (1<<5);
+ IICSTAT = rIICSTAT;
+
+ IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND);
+
+ /* wait and check ACK */
+ for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
+ temp = IICCON;
+ if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
+ break;
+ udelay(2000);
+ }
+ if (k==S3C44B0_IIC_TIMEOUT)
+ return -1;
+
+ temp = IICSTAT;
+ if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT )
+ return -1;
+
+ IICDS = addr;
+ IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND);
+
+ /* wait and check ACK */
+ for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
+ temp = IICCON;
+ if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
+ break;
+ udelay(2000);
+ }
+ if (k==S3C44B0_IIC_TIMEOUT)
+ return -1;
+
+ temp = IICSTAT;
+ if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT )
+ return -1;
+
+ /*
+ now we can start with the read write operation
+ */
+ for (j=0; j<len; j++) {
+
+ IICDS = buffer[j]; /*prerare data to write*/
+
+ /*clear pending bit to resume*/
+
+ temp = IICCON & ~(S3C44B0X_rIIC_INTPEND);
+ IICCON = temp;
+
+ /* wait but NOT check ACK */
+ for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
+ temp = IICCON;
+ if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
+ break;
+
+ udelay(2000);
+ }
+
+ if (k==S3C44B0_IIC_TIMEOUT)
+ return -1;
+
+ } /* end for(j) */
+
+ /* sending stop to terminate */
+ rIICSTAT = 0xD0; /*master send*/
+ IICSTAT = rIICSTAT;
+ /*Clear Int Pending Bit to RESUME*/
+ temp = IICCON;
+ IICCON = temp & (~S3C44B0X_rIIC_INTPEND);
+
+ return 0;
+}
--- /dev/null
+/*
+ * (C) Copyright 2004
+ * DAVE Srl
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:info@wawnet.biz
+ *
+ * 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 <asm/hardware.h>
+
+#include <asm/proc-armv/ptrace.h>
+
+extern void reset_cpu(ulong addr);
+
+/* we always count down the max. */
+#define TIMER_LOAD_VAL 0xffff
+
+/* macro to read the 16 bit timer */
+#define READ_TIMER (TCNTO1 & 0xffff)
+
+#ifdef CONFIG_USE_IRQ
+#error CONFIG_USE_IRQ NOT supported
+#else
+void enable_interrupts (void)
+{
+ return;
+}
+int disable_interrupts (void)
+{
+ return 0;
+}
+#endif
+
+
+void bad_mode (void)
+{
+ panic ("Resetting CPU ...\n");
+ reset_cpu (0);
+}
+
+void show_regs (struct pt_regs *regs)
+{
+ unsigned long flags;
+ const char *processor_modes[] =
+ { "USER_26", "FIQ_26", "IRQ_26", "SVC_26", "UK4_26", "UK5_26",
+ "UK6_26", "UK7_26",
+ "UK8_26", "UK9_26", "UK10_26", "UK11_26", "UK12_26", "UK13_26",
+ "UK14_26", "UK15_26",
+ "USER_32", "FIQ_32", "IRQ_32", "SVC_32", "UK4_32", "UK5_32",
+ "UK6_32", "ABT_32",
+ "UK8_32", "UK9_32", "UK10_32", "UND_32", "UK12_32", "UK13_32",
+ "UK14_32", "SYS_32"
+ };
+
+ flags = condition_codes (regs);
+
+ printf ("pc : [<%08lx>] lr : [<%08lx>]\n"
+ "sp : %08lx ip : %08lx fp : %08lx\n",
+ instruction_pointer (regs),
+ regs->ARM_lr, regs->ARM_sp, regs->ARM_ip, regs->ARM_fp);
+ printf ("r10: %08lx r9 : %08lx r8 : %08lx\n",
+ regs->ARM_r10, regs->ARM_r9, regs->ARM_r8);
+ printf ("r7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n",
+ regs->ARM_r7, regs->ARM_r6, regs->ARM_r5, regs->ARM_r4);
+ printf ("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n",
+ regs->ARM_r3, regs->ARM_r2, regs->ARM_r1, regs->ARM_r0);
+ printf ("Flags: %c%c%c%c",
+ flags & CC_N_BIT ? 'N' : 'n',
+ flags & CC_Z_BIT ? 'Z' : 'z',
+ flags & CC_C_BIT ? 'C' : 'c', flags & CC_V_BIT ? 'V' : 'v');
+ printf (" IRQs %s FIQs %s Mode %s%s\n",
+ interrupts_enabled (regs) ? "on" : "off",
+ fast_interrupts_enabled (regs) ? "on" : "off",
+ processor_modes[processor_mode (regs)],
+ thumb_mode (regs) ? " (T)" : "");
+}
+
+void do_undefined_instruction (struct pt_regs *pt_regs)
+{
+ printf ("undefined instruction\n");
+ show_regs (pt_regs);
+ bad_mode ();
+}
+
+void do_software_interrupt (struct pt_regs *pt_regs)
+{
+ printf ("software interrupt\n");
+ show_regs (pt_regs);
+ bad_mode ();
+}
+
+void do_prefetch_abort (struct pt_regs *pt_regs)
+{
+ printf ("prefetch abort\n");
+ show_regs (pt_regs);
+ bad_mode ();
+}
+
+void do_data_abort (struct pt_regs *pt_regs)
+{
+ printf ("data abort\n");
+ show_regs (pt_regs);
+ bad_mode ();
+}
+
+void do_not_used (struct pt_regs *pt_regs)
+{
+ printf ("not used\n");
+ show_regs (pt_regs);
+ bad_mode ();
+}
+
+void do_fiq (struct pt_regs *pt_regs)
+{
+ printf ("fast interrupt request\n");
+ show_regs (pt_regs);
+ bad_mode ();
+}
+
+void do_irq (struct pt_regs *pt_regs)
+{
+ printf ("interrupt request\n");
+ show_regs (pt_regs);
+ bad_mode ();
+}
+
+static ulong timestamp;
+static ulong lastdec;
+
+int interrupt_init (void)
+{
+ TCFG0 = 0x000000E9;
+ TCFG1 = 0x00000004;
+ TCON = 0x00000900;
+ TCNTB1 = TIMER_LOAD_VAL;
+ TCMPB1 = 0;
+ TCON = 0x00000B00;
+ TCON = 0x00000900;
+
+
+ lastdec = TCNTB1 = TIMER_LOAD_VAL;
+ timestamp = 0;
+ return 0;
+}
+
+/*
+ * timer without interrupts
+ */
+
+void reset_timer (void)
+{
+ reset_timer_masked ();
+}
+
+ulong get_timer (ulong base)
+{
+ return get_timer_masked () - base;
+}
+
+void set_timer (ulong t)
+{
+ timestamp = t;
+}
+
+void udelay (unsigned long usec)
+{
+ ulong tmo;
+
+ tmo = usec / 1000;
+ tmo *= CFG_HZ;
+ tmo /= 8;
+
+ tmo += get_timer (0);
+
+ while (get_timer_masked () < tmo)
+ /*NOP*/;
+}
+
+void reset_timer_masked (void)
+{
+ /* reset time */
+ lastdec = READ_TIMER;
+ timestamp = 0;
+}
+
+ulong get_timer_masked (void)
+{
+ ulong now = READ_TIMER;
+
+ if (lastdec >= now) {
+ /* normal mode */
+ timestamp += lastdec - now;
+ } else {
+ /* we have an overflow ... */
+ timestamp += lastdec + TIMER_LOAD_VAL - now;
+ }
+ lastdec = now;
+
+ return timestamp;
+}
+
+void udelay_masked (unsigned long usec)
+{
+ ulong tmo;
+
+ tmo = usec / 1000;
+ tmo *= CFG_HZ;
+ tmo /= 8;
+
+ tmo += get_timer (0);
+
+ reset_timer_masked ();
+
+ while (get_timer_masked () < tmo)
+ /*NOP*/;
+}
--- /dev/null
+/*
+ * (C) Copyright 2004
+ * DAVE Srl
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:info@wawnet.biz
+ *
+ * (C) Copyright 2002-2004
+ * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ *
+ * 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 <asm/hardware.h>
+
+/* flush serial input queue. returns 0 on success or negative error
+ * number otherwise
+ */
+static int serial_flush_input(void)
+{
+ volatile u32 tmp;
+
+ /* keep on reading as long as the receiver is not empty */
+ while(UTRSTAT0&0x01) {
+ tmp = REGB(URXH0);
+ }
+
+ return 0;
+}
+
+
+/* flush output queue. returns 0 on success or negative error number
+ * otherwise
+ */
+static int serial_flush_output(void)
+{
+ /* wait until the transmitter is no longer busy */
+ while(!(UTRSTAT0 & 0x02)) {
+ }
+
+ return 0;
+}
+
+
+void serial_setbrg (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ u32 divisor = 0;
+
+ /* get correct divisor */
+ switch(gd->baudrate) {
+
+ case 1200:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+ divisor = 3124;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+ divisor = 3905;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif
+ break;
+
+ case 9600:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+ divisor = 390;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+ divisor = 487;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif
+ break;
+
+ case 19200:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+ divisor = 194;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+ divisor = 243;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif
+ break;
+
+ case 38400:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+ divisor = 97;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+ divisor = 121;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif break;
+
+ case 57600:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+ divisor = 64;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+ divisor = 80;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif break;
+
+ case 115200:
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+ divisor = 32;
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+ divisor = 40;
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif break;
+ }
+
+ serial_flush_output();
+ serial_flush_input();
+ UFCON0 = 0x0;
+ ULCON0 = 0x03;
+ UCON0 = 0x05;
+ UBRDIV0 = divisor;
+
+ UFCON1 = 0x0;
+ ULCON1 = 0x03;
+ UCON1 = 0x05;
+ UBRDIV1 = divisor;
+
+ for(divisor=0; divisor<100; divisor++) {
+ /* NOP */
+ }
+}
+
+
+/*
+ * Initialise the serial port with the given baudrate. The settings
+ * are always 8 data bits, no parity, 1 stop bit, no start bits.
+ *
+ */
+int serial_init (void)
+{
+ serial_setbrg ();
+
+ return (0);
+}
+
+
+/*
+ * Output a single byte to the serial port.
+ */
+void serial_putc (const char c)
+{
+ /* wait for room in the transmit FIFO */
+ while(!(UTRSTAT0 & 0x02));
+
+ UTXH0 = (unsigned char)c;
+
+ /*
+ to be polite with serial console add a line feed
+ to the carriage return character
+ */
+ if (c=='\n')
+ serial_putc('\r');
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int serial_tstc (void)
+{
+ return (UTRSTAT0 & 0x01);
+}
+
+/*
+ * Read a single byte from the serial port. Returns 1 on success, 0
+ * otherwise. When the function is succesfull, the character read is
+ * written into its argument c.
+ */
+int serial_getc (void)
+{
+ int rv;
+
+ for(;;) {
+ rv = serial_tstc();
+
+ if(rv > 0)
+ return URXH0;
+ }
+}
+
+void
+serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
--- /dev/null
+/*
+ * Startup Code for S3C44B0 CPU-core
+ *
+ * (C) Copyright 2004
+ * DAVE Srl
+ *
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:info@wawnet.biz
+ *
+ * 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>
+
+
+/*
+ * Jump vector table
+ */
+
+
+.globl _start
+_start: b reset
+ add pc, pc, #0x0c000000
+ add pc, pc, #0x0c000000
+ add pc, pc, #0x0c000000
+ add pc, pc, #0x0c000000
+ add pc, pc, #0x0c000000
+ add pc, pc, #0x0c000000
+ add pc, pc, #0x0c000000
+
+ .balignl 16,0xdeadbeef
+
+
+/*
+ *************************************************************************
+ *
+ * Startup Code (reset vector)
+ *
+ * do important init only if we don't start from memory!
+ * relocate u-boot to ram
+ * setup stack
+ * jump to second stage
+ *
+ *************************************************************************
+ */
+
+_TEXT_BASE:
+ .word TEXT_BASE
+
+.globl _armboot_start
+_armboot_start:
+ .word _start
+
+/*
+ * Note: _armboot_end_data and _armboot_end are defined
+ * by the (board-dependent) linker script.
+ * _armboot_end_data is the first usable FLASH address after armboot
+ */
+.globl _armboot_end_data
+_armboot_end_data:
+ .word armboot_end_data
+.globl _armboot_end
+_armboot_end:
+ .word armboot_end
+
+#ifdef CONFIG_USE_IRQ
+/* IRQ stack memory (calculated at run-time) */
+.globl IRQ_STACK_START
+IRQ_STACK_START:
+ .word 0x0badc0de
+
+/* IRQ stack memory (calculated at run-time) */
+.globl FIQ_STACK_START
+FIQ_STACK_START:
+ .word 0x0badc0de
+#endif
+
+
+/*
+ * the actual reset code
+ */
+
+reset:
+ /*
+ * set the cpu to SVC32 mode
+ */
+ mrs r0,cpsr
+ bic r0,r0,#0x1f
+ orr r0,r0,#0x13
+ msr cpsr,r0
+
+ /*
+ * we do sys-critical inits only at reboot,
+ * not when booting from ram!
+ */
+
+#ifdef CONFIG_INIT_CRITICAL
+ bl cpu_init_crit
+ /*
+ * before relocating, we have to setup RAM timing
+ * because memory timing is board-dependend, you will
+ * find a memsetup.S in your board directory.
+ */
+ bl memsetup
+#endif
+
+relocate: /* relocate U-Boot to RAM */
+ adr r0, _start /* r0 <- current position of code */
+ ldr r1, _TEXT_BASE /* test if we run from flash or RAM */
+ cmp r0, r1 /* don't reloc during debug */
+ beq stack_setup
+
+ ldr r2, _armboot_start
+ ldr r3, _armboot_end
+ sub r2, r3, r2 /* r2 <- size of armboot */
+ add r2, r0, r2 /* r2 <- source end address */
+
+copy_loop:
+ ldmia r0!, {r3-r10} /* copy from source address [r0] */
+ stmia r1!, {r3-r10} /* copy to target address [r1] */
+ cmp r0, r2 /* until source end addreee [r2] */
+ ble copy_loop
+
+/*
+ now copy to sram the interrupt vector
+*/
+ adr r0, real_vectors
+ add r2, r0, #1024
+ ldr r1, =0x0c000000
+ add r1, r1, #0x08
+vector_copy_loop:
+ ldmia r0!, {r3-r10}
+ stmia r1!, {r3-r10}
+ cmp r0, r2
+ ble vector_copy_loop
+
+ /* Set up the stack */
+stack_setup:
+ ldr r0, _TEXT_BASE /* upper 128 KiB: relocated uboot */
+ sub r0, r0, #CFG_MALLOC_LEN /* malloc area */
+ sub r0, r0, #CFG_GBL_DATA_SIZE /* bdinfo */
+#ifdef CONFIG_USE_IRQ
+ sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ)
+#endif
+ sub sp, r0, #12 /* leave 3 words for abort-stack */
+
+ ldr pc, _start_armboot
+
+_start_armboot: .word start_armboot
+
+
+/*
+ *************************************************************************
+ *
+ * CPU_init_critical registers
+ *
+ * setup important registers
+ * setup memory timing
+ *
+ *************************************************************************
+ */
+
+#define INTCON (0x01c00000+0x200000)
+#define INTMSK (0x01c00000+0x20000c)
+#define LOCKTIME (0x01c00000+0x18000c)
+#define PLLCON (0x01c00000+0x180000)
+#define CLKCON (0x01c00000+0x180004)
+#define WTCON (0x01c00000+0x130000)
+cpu_init_crit:
+ /* disable watch dog */
+ ldr r0, =WTCON
+ ldr r1, =0x0
+ str r1, [r0]
+
+ /*
+ * mask all IRQs by clearing all bits in the INTMRs
+ */
+ ldr r1,=INTMSK
+ ldr r0, =0x03fffeff
+ str r0, [r1]
+
+ ldr r1, =INTCON
+ ldr r0, =0x05
+ str r0, [r1]
+
+ /* Set Clock Control Register */
+ ldr r1, =LOCKTIME
+ ldrb r0, =800
+ strb r0, [r1]
+
+ ldr r1, =PLLCON
+
+#if CONFIG_S3C44B0_CLOCK_SPEED==66
+ ldr r0, =0x34031 /* 66MHz (Quartz=11MHz) */
+#elif CONFIG_S3C44B0_CLOCK_SPEED==75
+ ldr r0, =0x610c1 /*B2: Xtal=20mhz Fclk=75MHz */
+#else
+# error CONFIG_S3C44B0_CLOCK_SPEED undefined
+#endif
+
+ str r0, [r1]
+
+ ldr r1,=CLKCON
+ ldr r0, =0x7ff8
+ str r0, [r1]
+
+ mov pc, lr
+
+
+/*************************************************/
+/* interrupt vectors */
+/*************************************************/
+real_vectors:
+ b reset
+ b undefined_instruction
+ b software_interrupt
+ b prefetch_abort
+ b data_abort
+ b not_used
+ b irq
+ b fiq
+
+/*************************************************/
+
+undefined_instruction:
+ mov r6, #3
+ b reset
+
+software_interrupt:
+ mov r6, #4
+ b reset
+
+prefetch_abort:
+ mov r6, #5
+ b reset
+
+data_abort:
+ mov r6, #6
+ b reset
+
+not_used:
+ /* we *should* never reach this */
+ mov r6, #7
+ b reset
+
+irq:
+ mov r6, #8
+ b reset
+
+fiq:
+ mov r6, #9
+ b reset
--- /dev/null
+/********************************************************/
+/* */
+/* Samsung S3C44B0 */
+/* tpu <tapu@371.net> */
+/* */
+/********************************************************/
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#define REGBASE 0x01c00000
+#define REGL(addr) (*(volatile unsigned int *)(REGBASE+addr))
+#define REGW(addr) (*(volatile unsigned short *)(REGBASE+addr))
+#define REGB(addr) (*(volatile unsigned char *)(REGBASE+addr))
+
+
+/*****************************/
+/* CPU Wrapper Registers */
+/*****************************/
+
+#define SYSCFG REGL(0x000000)
+#define NCACHBE0 REGL(0x000004)
+#define NCACHBE1 REGL(0x000008)
+#define SBUSCON REGL(0x040000)
+
+/************************************/
+/* Memory Controller Registers */
+/************************************/
+
+#define BWSCON REGL(0x080000)
+#define BANKCON0 REGL(0x080004)
+#define BANKCON1 REGL(0x080008)
+#define BANKCON2 REGL(0x08000c)
+#define BANKCON3 REGL(0x080010)
+#define BANKCON4 REGL(0x080014)
+#define BANKCON5 REGL(0x080018)
+#define BANKCON6 REGL(0x08001c)
+#define BANKCON7 REGL(0x080020)
+#define REFRESH REGL(0x080024)
+#define BANKSIZE REGL(0x080028)
+#define MRSRB6 REGL(0x08002c)
+#define MRSRB7 REGL(0x080030)
+
+/*********************/
+/* UART Registers */
+/*********************/
+
+#define ULCON0 REGL(0x100000)
+#define ULCON1 REGL(0x104000)
+#define UCON0 REGL(0x100004)
+#define UCON1 REGL(0x104004)
+#define UFCON0 REGL(0x100008)
+#define UFCON1 REGL(0x104008)
+#define UMCON0 REGL(0x10000c)
+#define UMCON1 REGL(0x10400c)
+#define UTRSTAT0 REGL(0x100010)
+#define UTRSTAT1 REGL(0x104010)
+#define UERSTAT0 REGL(0x100014)
+#define UERSTAT1 REGL(0x104014)
+#define UFSTAT0 REGL(0x100018)
+#define UFSTAT1 REGL(0x104018)
+#define UMSTAT0 REGL(0x10001c)
+#define UMSTAT1 REGL(0x10401c)
+#define UTXH0 REGB(0x100020)
+#define UTXH1 REGB(0x104020)
+#define URXH0 REGB(0x100024)
+#define URXH1 REGB(0x104024)
+#define UBRDIV0 REGL(0x100028)
+#define UBRDIV1 REGL(0x104028)
+
+/*******************/
+/* SIO Registers */
+/*******************/
+
+#define SIOCON REGL(0x114000)
+#define SIODAT REGL(0x114004)
+#define SBRDR REGL(0x114008)
+#define ITVCNT REGL(0x11400c)
+#define DCNTZ REGL(0x114010)
+
+/********************/
+/* IIS Registers */
+/********************/
+
+#define IISCON REGL(0x118000)
+#define IISMOD REGL(0x118004)
+#define IISPSR REGL(0x118008)
+#define IISFIFCON REGL(0x11800c)
+#define IISFIF REGW(0x118010)
+
+/**************************/
+/* I/O Ports Registers */
+/**************************/
+
+#define PCONA REGL(0x120000)
+#define PDATA REGL(0x120004)
+#define PCONB REGL(0x120008)
+#define PDATB REGL(0x12000c)
+#define PCONC REGL(0x120010)
+#define PDATC REGL(0x120014)
+#define PUPC REGL(0x120018)
+#define PCOND REGL(0x12001c)
+#define PDATD REGL(0x120020)
+#define PUPD REGL(0x120024)
+#define PCONE REGL(0x120028)
+#define PDATE REGL(0x12002c)
+#define PUPE REGL(0x120030)
+#define PCONF REGL(0x120034)
+#define PDATF REGL(0x120038)
+#define PUPF REGL(0x12003c)
+#define PCONG REGL(0x120040)
+#define PDATG REGL(0x120044)
+#define PUPG REGL(0x120048)
+#define SPUCR REGL(0x12004c)
+#define EXTINT REGL(0x120050)
+#define EXTINTPND REGL(0x120054)
+
+/*********************************/
+/* WatchDog Timers Registers */
+/*********************************/
+
+#define WTCON REGL(0x130000)
+#define WTDAT REGL(0x130004)
+#define WTCNT REGL(0x130008)
+
+/*********************************/
+/* A/D Converter Registers */
+/*********************************/
+
+#define ADCCON REGL(0x140000)
+#define ADCPSR REGL(0x140004)
+#define ADCDAT REGL(0x140008)
+
+/***************************/
+/* PWM Timer Registers */
+/***************************/
+
+#define TCFG0 REGL(0x150000)
+#define TCFG1 REGL(0x150004)
+#define TCON REGL(0x150008)
+#define TCNTB0 REGL(0x15000c)
+#define TCMPB0 REGL(0x150010)
+#define TCNTO0 REGL(0x150014)
+#define TCNTB1 REGL(0x150018)
+#define TCMPB1 REGL(0x15001c)
+#define TCNTO1 REGL(0x150020)
+#define TCNTB2 REGL(0x150024)
+#define TCMPB2 REGL(0x150028)
+#define TCNTO2 REGL(0x15002c)
+#define TCNTB3 REGL(0x150030)
+#define TCMPB3 REGL(0x150034)
+#define TCNTO3 REGL(0x150038)
+#define TCNTB4 REGL(0x15003c)
+#define TCMPB4 REGL(0x150040)
+#define TCNTO4 REGL(0x150044)
+#define TCNTB5 REGL(0x150048)
+#define TCNTO5 REGL(0x15004c)
+
+/*********************/
+/* IIC Registers */
+/*********************/
+
+#define IICCON REGL(0x160000)
+#define IICSTAT REGL(0x160004)
+#define IICADD REGL(0x160008)
+#define IICDS REGL(0x16000c)
+
+/*********************/
+/* RTC Registers */
+/*********************/
+
+#define RTCCON REGB(0x170040)
+#define RTCALM REGB(0x170050)
+#define ALMSEC REGB(0x170054)
+#define ALMMIN REGB(0x170058)
+#define ALMHOUR REGB(0x17005c)
+#define ALMDAY REGB(0x170060)
+#define ALMMON REGB(0x170064)
+#define ALMYEAR REGB(0x170068)
+#define RTCRST REGB(0x17006c)
+#define BCDSEC REGB(0x170070)
+#define BCDMIN REGB(0x170074)
+#define BCDHOUR REGB(0x170078)
+#define BCDDAY REGB(0x17007c)
+#define BCDDATE REGB(0x170080)
+#define BCDMON REGB(0x170084)
+#define BCDYEAR REGB(0x170088)
+#define TICINT REGB(0x17008c)
+
+/*********************************/
+/* Clock & Power Registers */
+/*********************************/
+
+#define PLLCON REGL(0x180000)
+#define CLKCON REGL(0x180004)
+#define CLKSLOW REGL(0x180008)
+#define LOCKTIME REGL(0x18000c)
+
+/**************************************/
+/* Interrupt Controller Registers */
+/**************************************/
+
+#define INTCON REGL(0x200000)
+#define INTPND REGL(0x200004)
+#define INTMOD REGL(0x200008)
+#define INTMSK REGL(0x20000c)
+#define I_PSLV REGL(0x200010)
+#define I_PMST REGL(0x200014)
+#define I_CSLV REGL(0x200018)
+#define I_CMST REGL(0x20001c)
+#define I_ISPR REGL(0x200020)
+#define I_ISPC REGL(0x200024)
+#define F_ISPR REGL(0x200038)
+#define F_ISPC REGL(0x20003c)
+
+/********************************/
+/* LCD Controller Registers */
+/********************************/
+
+#define LCDCON1 REGL(0x300000)
+#define LCDCON2 REGL(0x300004)
+#define LCDSADDR1 REGL(0x300008)
+#define LCDSADDR2 REGL(0x30000c)
+#define LCDSADDR3 REGL(0x300010)
+#define REDLUT REGL(0x300014)
+#define GREENLUT REGL(0x300018)
+#define BLUELUT REGL(0x30001c)
+#define DP1_2 REGL(0x300020)
+#define DP4_7 REGL(0x300024)
+#define DP3_5 REGL(0x300028)
+#define DP2_3 REGL(0x30002c)
+#define DP5_7 REGL(0x300030)
+#define DP3_4 REGL(0x300034)
+#define DP4_5 REGL(0x300038)
+#define DP6_7 REGL(0x30003c)
+#define LCDCON3 REGL(0x300040)
+#define DITHMODE REGL(0x300044)
+
+/*********************/
+/* DMA Registers */
+/*********************/
+
+#define ZDCON0 REGL(0x280000)
+#define ZDISRC0 REGL(0x280004)
+#define ZDIDES0 REGL(0x280008)
+#define ZDICNT0 REGL(0x28000c)
+#define ZDCSRC0 REGL(0x280010)
+#define ZDCDES0 REGL(0x280014)
+#define ZDCCNT0 REGL(0x280018)
+
+#define ZDCON1 REGL(0x280020)
+#define ZDISRC1 REGL(0x280024)
+#define ZDIDES1 REGL(0x280028)
+#define ZDICNT1 REGL(0x28002c)
+#define ZDCSRC1 REGL(0x280030)
+#define ZDCDES1 REGL(0x280034)
+#define ZDCCNT1 REGL(0x280038)
+
+#define BDCON0 REGL(0x380000)
+#define BDISRC0 REGL(0x380004)
+#define BDIDES0 REGL(0x380008)
+#define BDICNT0 REGL(0x38000c)
+#define BDCSRC0 REGL(0x380010)
+#define BDCDES0 REGL(0x380014)
+#define BDCCNT0 REGL(0x380018)
+
+#define BDCON1 REGL(0x380020)
+#define BDISRC1 REGL(0x380024)
+#define BDIDES1 REGL(0x380028)
+#define BDICNT1 REGL(0x38002c)
+#define BDCSRC1 REGL(0x380030)
+#define BDCDES1 REGL(0x380034)
+#define BDCCNT1 REGL(0x380038)
+
+
+#define CLEAR_PEND_INT(n) I_ISPC = (1<<(n))
+#define INT_ENABLE(n) INTMSK &= ~(1<<(n))
+#define INT_DISABLE(n) INTMSK |= (1<<(n))
+
+#define HARD_RESET_NOW()
+
+#endif /* __ASM_ARCH_HARDWARE_H */
--- /dev/null
+/*
+ * (C) Copyright 2004
+ * DAVE Srl
+ *
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:info@wawnet.biz
+ *
+ * Configuation settings for the B2 board.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * If we are developing, we might want to start armboot from ram
+ * so we MUST NOT initialize critical regs like mem-timing ...
+ */
+#define CONFIG_INIT_CRITICAL /* undef for developing */
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+#define CONFIG_ARM7 1 /* This is a ARM7 CPU */
+#define CONFIG_B2 1 /* on an B2 Board */
+#define CONFIG_ARM_THUMB 1 /* this is an ARM7TDMI */
+#undef CONFIG_ARM7_REVD /* disable ARM720 REV.D Workarounds */
+
+#define CONFIG_S3C44B0_CLOCK_SPEED 75 /* we have a 75Mhz S3C44B0*/
+
+
+#undef CONFIG_USE_IRQ /* don't need them anymore */
+
+
+/*
+ * Size of malloc() pool
+ */
+#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */
+#define CFG_ENV_SIZE 1024 /* 1024 bytes may be used for env vars*/
+#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024 )
+#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
+
+/*
+ * Hardware drivers
+ */
+#define CONFIG_DRIVER_LAN91C96
+#define CONFIG_LAN91C96_BASE 0x04000300 /* base address */
+#define CONFIG_SMC_USE_32_BIT
+#undef CONFIG_SHOW_ACTIVITY
+#define CONFIG_NET_RETRY_COUNT 10 /* # of retries */
+
+/*
+ * select serial console configuration
+ */
+#define CONFIG_SERIAL1 1 /* we use Serial line 1 */
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+#define CONFIG_BAUDRATE 115200
+
+#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
+
+#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
+ CFG_CMD_DATE | \
+ CFG_CMD_ELF | \
+ CFG_CMD_EEPROM | \
+ CFG_CMD_I2C )
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#define CONFIG_BOOTDELAY 5
+#define CONFIG_ETHADDR 00:50:c2:1e:af:fb
+#define CONFIG_BOOTARGS "setenv bootargs root=/dev/ram ip=192.168.0.70:::::eth0:off \
+ ether=25,0,0,0,eth0 ethaddr=00:50:c2:1e:af:fb"
+#define CONFIG_NETMASK 255.255.0.0
+#define CONFIG_IPADDR 192.168.0.70
+#define CONFIG_SERVERIP 192.168.0.23
+#define CONFIG_BOOTFILE "B2-rootfs/usr/B2-zImage.u-boot"
+#define CONFIG_BOOTCOMMAND "bootm 20000 f0000"
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP /* undef to save memory */
+#define CFG_PROMPT "=> " /* Monitor Command Prompt */
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+
+#define CFG_MEMTEST_START 0x0C400000 /* memtest works on */
+#define CFG_MEMTEST_END 0x0C800000 /* 4 ... 8 MB in DRAM */
+
+#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
+
+#define CFG_LOAD_ADDR 0x0c700000 /* default load address */
+
+#define CFG_HZ 1000 /* 1 kHz */
+
+ /* valid baudrates */
+#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+
+/*-----------------------------------------------------------------------
+ * Stack sizes
+ *
+ * The stack sizes are set up in start.S using the settings below
+ */
+#define CONFIG_STACKSIZE (128*1024) /* regular stack */
+#ifdef CONFIG_USE_IRQ
+#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
+#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
+#endif
+
+/*-----------------------------------------------------------------------
+ * Physical Memory Map
+ */
+#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 banks of DRAM */
+#define PHYS_SDRAM_1 0xc0000000 /* SDRAM Bank #1 */
+#define PHYS_SDRAM_1_SIZE 0x01000000 /* 16 MB */
+
+#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
+#define PHYS_FLASH_SIZE 0x00400000 /* 4 MB */
+
+#define CFG_FLASH_BASE PHYS_FLASH_1
+
+/*-----------------------------------------------------------------------
+ * FLASH and environment organization
+ */
+/*-----------------------------------------------------------------------
+ * FLASH organization
+ */
+#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
+#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
+
+#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
+#define CFG_FLASH_WRITE_TOUT 1000 /* Timeout for Flash Write (in ms) */
+
+#define CFG_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
+#define CFG_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
+#define CFG_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
+/*
+ * The following defines are added for buggy IOP480 byte interface.
+ * All other boards should use the standard values (CPCI405 etc.)
+ */
+#define CFG_FLASH_READ0 0x0000 /* 0 is standard */
+#define CFG_FLASH_READ1 0x0001 /* 1 is standard */
+#define CFG_FLASH_READ2 0x0002 /* 2 is standard */
+
+#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
+
+/*-----------------------------------------------------------------------
+ * Environment Variable setup
+ */
+#define CFG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */
+#define CFG_ENV_OFFSET 0x0 /* environment starts at the beginning of the EEPROM */
+
+/*-----------------------------------------------------------------------
+ * I2C EEPROM (STM24C02W6) for environment
+ */
+#define CONFIG_HARD_I2C /* I2c with hardware support */
+#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
+#define CFG_I2C_SLAVE 0xFE
+
+#define CFG_I2C_EEPROM_ADDR 0xA8 /* EEPROM STM24C02W6 */
+#define CFG_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */
+/* mask of address bits that overflow into the "EEPROM chip address" */
+/*#define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07*/
+#define CFG_EEPROM_PAGE_WRITE_BITS 4 /* The Catalyst CAT24WC08 has */
+ /* 16 byte page write mode using*/
+ /* last 4 bits of the address */
+#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
+#define CFG_EEPROM_PAGE_WRITE_ENABLE
+
+/* Flash banks JFFS2 should use */
+/*
+#define CFG_JFFS2_FIRST_BANK 0
+#define CFG_JFFS2_FIRST_SECTOR 2
+#define CFG_JFFS2_NUM_BANKS 1
+*/
+
+/*
+ Linux TAGs (see lib_arm/armlinux.c)
+*/
+#define CONFIG_CMDLINE_TAG
+#undef CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+
+#endif /* __CONFIG_H */
#define CONFIG_DRIVER_ETHER
#define CONFIG_NET_RETRY_COUNT 20
+#define CONFIG_AT91C_USE_RMII
#define CONFIG_HAS_DATAFLASH 1
#define CFG_SPI_WRITE_TOUT (5*CFG_HZ)
do_reset (cmdtp, flag, argc, argv);
}
+#ifdef CONFIG_B2
+ /*
+ *we need to copy the ramdisk to SRAM to let Linux boot
+ */
+ memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
+ data = ntohl(hdr->ih_load);
+#endif /* CONFIG_B2 */
+
/*
* Now check if we have a multifile image
*/
/* an ATAG_INITRD node tells the kernel where the compressed
* ramdisk can be found. ATAG_RDIMG is a better name, actually.
*/
- params->hdr.tag = ATAG_INITRD2;
+ params->hdr.tag = ATAG_INITRD;
params->hdr.size = tag_size (tag_initrd);
params->u.initrd.start = initrd_start;
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