@$(MKCONFIG) $(@:_config=) arm arm920t scb9328 NULL imx
smdk2400_config : unconfig
- @$(MKCONFIG) $(@:_config=) arm arm920t smdk2400 NULL s3c24x0
+ @$(MKCONFIG) $(@:_config=) arm arm920t smdk2400 samsung s3c24x0
smdk2410_config : unconfig
- @$(MKCONFIG) $(@:_config=) arm arm920t smdk2410 NULL s3c24x0
+ @$(MKCONFIG) $(@:_config=) arm arm920t smdk2410 samsung s3c24x0
SX1_config : unconfig
@$(MKCONFIG) $(@:_config=) arm arm925t sx1
--- /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 := smdk2400.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
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+#
+# SAMSUNG board with S3C2400X (ARM920T) CPU
+#
+# see http://www.samsung.com/ for more information on SAMSUNG
+#
+
+#
+# SAMSUNG has 1 bank of 32 MB DRAM
+#
+# 0C00'0000 to 0E00'0000
+#
+# Linux-Kernel is expected to be at 0cf0'0000, entry 0cf0'0000
+# optionally with a ramdisk at 0c80'0000
+#
+# we load ourself to 0CF80000 (must be high enough not to be
+# overwritten by the uncompessing Linux kernel)
+#
+# download area is 0C80'0000
+#
+
+
+TEXT_BASE = 0x0CF80000
--- /dev/null
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (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
+ */
+
+/* #define DEBUG */
+
+#include <common.h>
+#include <environment.h>
+
+#define FLASH_BANK_SIZE 0x1000000 /* 2 x 8 MB */
+#define MAIN_SECT_SIZE 0x40000 /* 2 x 128 kB */
+
+flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
+
+
+#define CMD_READ_ARRAY 0x00FF00FF
+#define CMD_IDENTIFY 0x00900090
+#define CMD_ERASE_SETUP 0x00200020
+#define CMD_ERASE_CONFIRM 0x00D000D0
+#define CMD_PROGRAM 0x00400040
+#define CMD_RESUME 0x00D000D0
+#define CMD_SUSPEND 0x00B000B0
+#define CMD_STATUS_READ 0x00700070
+#define CMD_STATUS_RESET 0x00500050
+
+#define BIT_BUSY 0x00800080
+#define BIT_ERASE_SUSPEND 0x00400040
+#define BIT_ERASE_ERROR 0x00200020
+#define BIT_PROGRAM_ERROR 0x00100010
+#define BIT_VPP_RANGE_ERROR 0x00080008
+#define BIT_PROGRAM_SUSPEND 0x00040004
+#define BIT_PROTECT_ERROR 0x00020002
+#define BIT_UNDEFINED 0x00010001
+
+#define BIT_SEQUENCE_ERROR 0x00300030
+#define BIT_TIMEOUT 0x80000000
+
+/*-----------------------------------------------------------------------
+ */
+
+ulong flash_init (void)
+{
+ int i, j;
+ ulong size = 0;
+
+ for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
+ ulong flashbase = 0;
+
+ flash_info[i].flash_id =
+ (INTEL_MANUFACT & FLASH_VENDMASK) |
+ (INTEL_ID_28F640J3A & FLASH_TYPEMASK);
+ flash_info[i].size = FLASH_BANK_SIZE;
+ flash_info[i].sector_count = CONFIG_SYS_MAX_FLASH_SECT;
+ memset (flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT);
+ if (i == 0)
+ flashbase = CONFIG_SYS_FLASH_BASE;
+ else
+ panic ("configured too many flash banks!\n");
+ for (j = 0; j < flash_info[i].sector_count; j++) {
+ flash_info[i].start[j] = flashbase;
+
+ /* uniform sector size */
+ flashbase += MAIN_SECT_SIZE;
+ }
+ 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]);
+
+ flash_protect ( FLAG_PROTECT_SET,
+ CONFIG_ENV_ADDR,
+ CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]);
+
+#ifdef CONFIG_ENV_ADDR_REDUND
+ flash_protect ( FLAG_PROTECT_SET,
+ CONFIG_ENV_ADDR_REDUND,
+ CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SIZE_REDUND - 1,
+ &flash_info[0]);
+#endif
+
+ return size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t * info)
+{
+ int i;
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case (INTEL_MANUFACT & FLASH_VENDMASK):
+ printf ("Intel: ");
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case (INTEL_ID_28F640J3A & FLASH_TYPEMASK):
+ printf ("2x 28F640J3A (64Mbit)\n");
+ break;
+ default:
+ printf ("Unknown Chip Type\n");
+ goto Done;
+ 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");
+
+Done: ;
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_error (ulong code)
+{
+ /* Check bit patterns */
+ /* SR.7=0 is busy, SR.7=1 is ready */
+ /* all other flags indicate error on 1 */
+ /* SR.0 is undefined */
+ /* Timeout is our faked flag */
+
+ /* sequence is described in Intel 290644-005 document */
+
+ /* check Timeout */
+ if (code & BIT_TIMEOUT) {
+ puts ("Timeout\n");
+ return ERR_TIMOUT;
+ }
+
+ /* check Busy, SR.7 */
+ if (~code & BIT_BUSY) {
+ puts ("Busy\n");
+ return ERR_PROG_ERROR;
+ }
+
+ /* check Vpp low, SR.3 */
+ if (code & BIT_VPP_RANGE_ERROR) {
+ puts ("Vpp range error\n");
+ return ERR_PROG_ERROR;
+ }
+
+ /* check Device Protect Error, SR.1 */
+ if (code & BIT_PROTECT_ERROR) {
+ puts ("Device protect error\n");
+ return ERR_PROG_ERROR;
+ }
+
+ /* check Command Seq Error, SR.4 & SR.5 */
+ if (code & BIT_SEQUENCE_ERROR) {
+ puts ("Command seqence error\n");
+ return ERR_PROG_ERROR;
+ }
+
+ /* check Block Erase Error, SR.5 */
+ if (code & BIT_ERASE_ERROR) {
+ puts ("Block erase error\n");
+ return ERR_PROG_ERROR;
+ }
+
+ /* check Program Error, SR.4 */
+ if (code & BIT_PROGRAM_ERROR) {
+ puts ("Program error\n");
+ return ERR_PROG_ERROR;
+ }
+
+ /* check Block Erase Suspended, SR.6 */
+ if (code & BIT_ERASE_SUSPEND) {
+ puts ("Block erase suspended\n");
+ return ERR_PROG_ERROR;
+ }
+
+ /* check Program Suspended, SR.2 */
+ if (code & BIT_PROGRAM_SUSPEND) {
+ puts ("Program suspended\n");
+ return ERR_PROG_ERROR;
+ }
+
+ /* OK, no error */
+ return ERR_OK;
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ ulong result, result1;
+ int iflag, prot, sect;
+ int rc = ERR_OK;
+
+#ifdef USE_920T_MMU
+ int cflag;
+#endif
+
+ debug ("flash_erase: s_first %d s_last %d\n", s_first, s_last);
+
+ /* first look for protection bits */
+
+ if (info->flash_id == FLASH_UNKNOWN)
+ return ERR_UNKNOWN_FLASH_TYPE;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ return ERR_INVAL;
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) !=
+ (INTEL_MANUFACT & FLASH_VENDMASK)) {
+ return ERR_UNKNOWN_FLASH_VENDOR;
+ }
+
+ 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");
+ }
+
+ /*
+ * Disable interrupts which might cause a timeout
+ * here. Remember that our exception vectors are
+ * at address 0 in the flash, and we don't want a
+ * (ticker) exception to happen while the flash
+ * chip is in programming mode.
+ */
+#ifdef USE_920T_MMU
+ cflag = dcache_status ();
+ dcache_disable ();
+#endif
+ iflag = disable_interrupts ();
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last && !ctrlc (); sect++) {
+
+ debug ("Erasing sector %2d @ %08lX... ",
+ sect, info->start[sect]);
+
+ /* arm simple, non interrupt dependent timer */
+ reset_timer_masked ();
+
+ if (info->protect[sect] == 0) { /* not protected */
+ vu_long *addr = (vu_long *) (info->start[sect]);
+ ulong bsR7, bsR7_2, bsR5, bsR5_2;
+
+ /* *addr = CMD_STATUS_RESET; */
+ *addr = CMD_ERASE_SETUP;
+ *addr = CMD_ERASE_CONFIRM;
+
+ /* wait until flash is ready */
+ do {
+ /* check timeout */
+ if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) {
+ *addr = CMD_STATUS_RESET;
+ result = BIT_TIMEOUT;
+ break;
+ }
+
+ *addr = CMD_STATUS_READ;
+ result = *addr;
+ bsR7 = result & (1 << 7);
+ bsR7_2 = result & (1 << 23);
+ } while (!bsR7 | !bsR7_2);
+
+ *addr = CMD_STATUS_READ;
+ result1 = *addr;
+ bsR5 = result1 & (1 << 5);
+ bsR5_2 = result1 & (1 << 21);
+#ifdef SAMSUNG_FLASH_DEBUG
+ printf ("bsR5 %lx bsR5_2 %lx\n", bsR5, bsR5_2);
+ if (bsR5 != 0 && bsR5_2 != 0)
+ printf ("bsR5 %lx bsR5_2 %lx\n", bsR5, bsR5_2);
+#endif
+
+ *addr = CMD_READ_ARRAY;
+ *addr = CMD_RESUME;
+
+ if ((rc = flash_error (result)) != ERR_OK)
+ goto outahere;
+#if 0
+ printf ("ok.\n");
+ } else { /* it was protected */
+
+ printf ("protected!\n");
+#endif
+ }
+ }
+
+outahere:
+ /* allow flash to settle - wait 10 ms */
+ udelay_masked (10000);
+
+ if (iflag)
+ enable_interrupts ();
+
+#ifdef USE_920T_MMU
+ if (cflag)
+ dcache_enable ();
+#endif
+ return rc;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash
+ */
+
+static int write_word (flash_info_t * info, ulong dest, ulong data)
+{
+ vu_long *addr = (vu_long *) dest;
+ ulong result;
+ int rc = ERR_OK;
+ int iflag;
+
+#ifdef USE_920T_MMU
+ int cflag;
+#endif
+
+ /*
+ * Check if Flash is (sufficiently) erased
+ */
+ result = *addr;
+ if ((result & data) != data)
+ return ERR_NOT_ERASED;
+
+ /*
+ * Disable interrupts which might cause a timeout
+ * here. Remember that our exception vectors are
+ * at address 0 in the flash, and we don't want a
+ * (ticker) exception to happen while the flash
+ * chip is in programming mode.
+ */
+#ifdef USE_920T_MMU
+ cflag = dcache_status ();
+ dcache_disable ();
+#endif
+ iflag = disable_interrupts ();
+
+ /* *addr = CMD_STATUS_RESET; */
+ *addr = CMD_PROGRAM;
+ *addr = data;
+
+ /* arm simple, non interrupt dependent timer */
+ reset_timer_masked ();
+
+ /* wait until flash is ready */
+ do {
+ /* check timeout */
+ if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) {
+ *addr = CMD_SUSPEND;
+ result = BIT_TIMEOUT;
+ break;
+ }
+
+ *addr = CMD_STATUS_READ;
+ result = *addr;
+ } while (~result & BIT_BUSY);
+
+ /* *addr = CMD_READ_ARRAY; */
+ *addr = CMD_STATUS_READ;
+ result = *addr;
+
+ rc = flash_error (result);
+
+ if (iflag)
+ enable_interrupts ();
+
+#ifdef USE_920T_MMU
+ if (cflag)
+ dcache_enable ();
+#endif
+ *addr = CMD_READ_ARRAY;
+ *addr = CMD_RESUME;
+ return rc;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash.
+ */
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ ulong cp, wp, data;
+ int l;
+ int i, rc;
+
+ wp = (addr & ~3); /* get lower word aligned address */
+
+ /*
+ * 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 << 24);
+ }
+ for (; i < 4 && cnt > 0; ++i) {
+ data = (data >> 8) | (*src++ << 24);
+ --cnt;
+ ++cp;
+ }
+ for (; cnt == 0 && i < 4; ++i, ++cp) {
+ data = (data >> 8) | (*(uchar *) cp << 24);
+ }
+
+ if ((rc = write_word (info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ while (cnt >= 4) {
+ data = *((vu_long *) src);
+ if ((rc = write_word (info, wp, data)) != 0) {
+ return (rc);
+ }
+ src += 4;
+ wp += 4;
+ cnt -= 4;
+ }
+
+ if (cnt == 0) {
+ return ERR_OK;
+ }
+
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) {
+ data = (data >> 8) | (*src++ << 24);
+ --cnt;
+ }
+ for (; i < 4; ++i, ++cp) {
+ data = (data >> 8) | (*(uchar *) cp << 24);
+ }
+
+ return write_word (info, wp, data);
+}
--- /dev/null
+/*
+ * Memory Setup stuff - taken from blob memsetup.S
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
+ * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
+ *
+ * Modified for the Samsung development board by
+ * (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
+ */
+
+
+#include <config.h>
+#include <version.h>
+
+
+/* some parameters for the board */
+
+/*
+ *
+ * Taken from linux/arch/arm/boot/compressed/head-s3c2400.S
+ *
+ * Copyright (C) 2001 Samsung Electronics by chc, 010406
+ *
+ * S3C2400 specific tweaks.
+ *
+ */
+
+/* memory controller */
+#define BWSCON 0x14000000
+#define BANKCON3 0x14000010 /* for cs8900, ethernet */
+
+/* Bank0 */
+#define B0_Tacs 0x0 /* 0 clk */
+#define B0_Tcos 0x0 /* 0 clk */
+#define B0_Tacc 0x7 /* 14 clk */
+#define B0_Tcoh 0x0 /* 0 clk */
+#define B0_Tah 0x0 /* 0 clk */
+#define B0_Tacp 0x0
+#define B0_PMC 0x0 /* normal */
+
+/* Bank1 */
+#define B1_Tacs 0x0 /* 0 clk */
+#define B1_Tcos 0x0 /* 0 clk */
+#define B1_Tacc 0x7 /* 14 clk */
+#define B1_Tcoh 0x0 /* 0 clk */
+#define B1_Tah 0x0 /* 0 clk */
+#define B1_Tacp 0x0
+#define B1_PMC 0x0 /* normal */
+
+/* Bank2 */
+#define B2_Tacs 0x0 /* 0 clk */
+#define B2_Tcos 0x0 /* 0 clk */
+#define B2_Tacc 0x7 /* 14 clk */
+#define B2_Tcoh 0x0 /* 0 clk */
+#define B2_Tah 0x0 /* 0 clk */
+#define B2_Tacp 0x0
+#define B2_PMC 0x0 /* normal */
+
+/* Bank3 - setup for the cs8900 */
+#define B3_Tacs 0x0 /* 0 clk */
+#define B3_Tcos 0x3 /* 4 clk */
+#define B3_Tacc 0x7 /* 14 clk */
+#define B3_Tcoh 0x1 /* 1 clk */
+#define B3_Tah 0x0 /* 0 clk */
+#define B3_Tacp 0x3 /* 6 clk */
+#define B3_PMC 0x0 /* normal */
+
+/* Bank4 */
+#define B4_Tacs 0x0 /* 0 clk */
+#define B4_Tcos 0x0 /* 0 clk */
+#define B4_Tacc 0x7 /* 14 clk */
+#define B4_Tcoh 0x0 /* 0 clk */
+#define B4_Tah 0x0 /* 0 clk */
+#define B4_Tacp 0x0
+#define B4_PMC 0x0 /* normal */
+
+/* Bank5 */
+#define B5_Tacs 0x0 /* 0 clk */
+#define B5_Tcos 0x0 /* 0 clk */
+#define B5_Tacc 0x7 /* 14 clk */
+#define B5_Tcoh 0x0 /* 0 clk */
+#define B5_Tah 0x0 /* 0 clk */
+#define B5_Tacp 0x0
+#define B5_PMC 0x0 /* normal */
+
+/* Bank6 */
+#define B6_MT 0x3 /* SDRAM */
+#define B6_Trcd 0x1 /* 3clk */
+#define B6_SCAN 0x1 /* 9 bit */
+
+/* Bank7 */
+#define B7_MT 0x3 /* SDRAM */
+#define B7_Trcd 0x1 /* 3clk */
+#define B7_SCAN 0x1 /* 9 bit */
+
+/* refresh parameter */
+#define REFEN 0x1 /* enable refresh */
+#define TREFMD 0x0 /* CBR(CAS before RAS)/auto refresh */
+#define Trp 0x0 /* 2 clk */
+#define Trc 0x3 /* 7 clk */
+#define Tchr 0x2 /* 3 clk */
+
+#define REFCNT 1113 /* period=15.6 us, HCLK=60Mhz, (2048+1-15.6*66) */
+
+
+_TEXT_BASE:
+ .word TEXT_BASE
+
+.globl lowlevel_init
+lowlevel_init:
+ /* memory control configuration */
+ /* make r0 relative the current location so that it */
+ /* reads SMRDATA out of FLASH rather than memory ! */
+ ldr r0, =SMRDATA
+ ldr r1, _TEXT_BASE
+ sub r0, r0, r1
+ ldr r1, =BWSCON /* Bus Width Status Controller */
+ add r2, r0, #52
+0:
+ ldr r3, [r0], #4
+ str r3, [r1], #4
+ cmp r2, r0
+ bne 0b
+
+ /* everything is fine now */
+ mov pc, lr
+
+ .ltorg
+/* the literal pools origin */
+
+SMRDATA:
+ .word 0x2211d114 /* d->Ethernet, BUSWIDTH=32 */
+ .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)
+ .word 0x10 /* BUSWIDTH=32, SCLK power saving mode, BANKSIZE 32M/32M */
+ .word 0x30 /* MRSR6, CL=3clk */
+ .word 0x30 /* MRSR7 */
--- /dev/null
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (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
+ */
+
+#include <common.h>
+#include <s3c2400.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_MODEM_SUPPORT
+static int key_pressed(void);
+int mdm_init (bd_t *);
+extern void disable_putc(void);
+extern void enable_putc(void);
+extern int hwflow_onoff(int);
+extern int do_mdm_init; /* defined in common/main.c */
+#endif /* CONFIG_MODEM_SUPPORT */
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+ S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
+ S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+
+ /* memory and cpu-speed are setup before relocation */
+ /* change the clock to be 50 MHz 1:1:1 */
+ clk_power->MPLLCON = 0x5c042;
+ clk_power->CLKDIVN = 0;
+ /* set up the I/O ports */
+ gpio->PACON = 0x3ffff;
+ gpio->PBCON = 0xaaaaaaaa;
+ gpio->PBUP = 0xffff;
+ gpio->PECON = 0x0;
+ gpio->PEUP = 0x0;
+#ifdef CONFIG_HWFLOW
+ /*CTS[0] RTS[0] INPUT INPUT TXD[0] INPUT RXD[0] */
+ /* 10, 10, 00, 00, 10, 00, 10 */
+ gpio->PFCON=0xa22;
+ /* Disable pull-up on Rx, Tx, CTS and RTS pins */
+ gpio->PFUP=0x35;
+#else
+ /*INPUT INPUT INPUT INPUT TXD[0] INPUT RXD[0] */
+ /* 00, 00, 00, 00, 10, 00, 10 */
+ gpio->PFCON = 0x22;
+ /* Disable pull-up on Rx and Tx pins */
+ gpio->PFUP = 0x5;
+#endif /* CONFIG_HWFLOW */
+ gpio->PGCON = 0x0;
+ gpio->PGUP = 0x0;
+ gpio->OPENCR = 0x0;
+
+ /* arch number of SAMSUNG-Board to MACH_TYPE_SMDK2400 */
+ gd->bd->bi_arch_number = MACH_TYPE_SMDK2400;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0x0C000100;
+
+#ifdef CONFIG_MODEM_SUPPORT
+ if (key_pressed()) {
+ disable_putc(); /* modem doesn't understand banner etc */
+ do_mdm_init = 1;
+ }
+#endif /* CONFIG_MODEM_SUPPORT */
+
+ return 0;
+}
+
+int dram_init (void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+ return 0;
+}
+
+#ifdef CONFIG_MODEM_SUPPORT
+static int key_pressed(void)
+{
+ int rc;
+ if (1) { /* check for button push here, now just return 1 */
+ rc = 1;
+ }
+
+ return rc;
+}
+#endif /* CONFIG_MODEM_SUPPORT */
--- /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_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ cpu/arm920t/start.o (.text)
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(.rodata) }
+
+ . = ALIGN(4);
+ .data : { *(.data) }
+
+ . = ALIGN(4);
+ .got : { *(.got) }
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(4);
+ __bss_start = .;
+ .bss (NOLOAD) : { *(.bss) . = ALIGN(4); }
+ _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 := smdk2410.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
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+# David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+#
+# SAMSUNG SMDK2410 board with S3C2410X (ARM920T) cpu
+#
+# see http://www.samsung.com/ for more information on SAMSUNG
+#
+
+#
+# SMDK2410 has 1 bank of 64 MB DRAM
+#
+# 3000'0000 to 3400'0000
+#
+# Linux-Kernel is expected to be at 3000'8000, entry 3000'8000
+# optionally with a ramdisk at 3080'0000
+#
+# we load ourself to 33F8'0000
+#
+# download area is 3300'0000
+#
+
+
+TEXT_BASE = 0x33F80000
--- /dev/null
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@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 <common.h>
+
+ulong myflush (void);
+
+
+#define FLASH_BANK_SIZE PHYS_FLASH_SIZE
+#define MAIN_SECT_SIZE 0x10000 /* 64 KB */
+
+flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
+
+
+#define CMD_READ_ARRAY 0x000000F0
+#define CMD_UNLOCK1 0x000000AA
+#define CMD_UNLOCK2 0x00000055
+#define CMD_ERASE_SETUP 0x00000080
+#define CMD_ERASE_CONFIRM 0x00000030
+#define CMD_PROGRAM 0x000000A0
+#define CMD_UNLOCK_BYPASS 0x00000020
+
+#define MEM_FLASH_ADDR1 (*(volatile u16 *)(CONFIG_SYS_FLASH_BASE + (0x00000555 << 1)))
+#define MEM_FLASH_ADDR2 (*(volatile u16 *)(CONFIG_SYS_FLASH_BASE + (0x000002AA << 1)))
+
+#define BIT_ERASE_DONE 0x00000080
+#define BIT_RDY_MASK 0x00000080
+#define BIT_PROGRAM_ERROR 0x00000020
+#define BIT_TIMEOUT 0x80000000 /* our flag */
+
+#define READY 1
+#define ERR 2
+#define TMO 4
+
+/*-----------------------------------------------------------------------
+ */
+
+ulong flash_init (void)
+{
+ int i, j;
+ ulong size = 0;
+
+ for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
+ ulong flashbase = 0;
+
+ flash_info[i].flash_id =
+#if defined(CONFIG_AMD_LV400)
+ (AMD_MANUFACT & FLASH_VENDMASK) |
+ (AMD_ID_LV400B & FLASH_TYPEMASK);
+#elif defined(CONFIG_AMD_LV800)
+ (AMD_MANUFACT & FLASH_VENDMASK) |
+ (AMD_ID_LV800B & FLASH_TYPEMASK);
+#else
+#error "Unknown flash configured"
+#endif
+ flash_info[i].size = FLASH_BANK_SIZE;
+ flash_info[i].sector_count = CONFIG_SYS_MAX_FLASH_SECT;
+ memset (flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT);
+ if (i == 0)
+ flashbase = PHYS_FLASH_1;
+ else
+ panic ("configured too many flash banks!\n");
+ for (j = 0; j < flash_info[i].sector_count; j++) {
+ if (j <= 3) {
+ /* 1st one is 16 KB */
+ if (j == 0) {
+ flash_info[i].start[j] =
+ flashbase + 0;
+ }
+
+ /* 2nd and 3rd are both 8 KB */
+ if ((j == 1) || (j == 2)) {
+ flash_info[i].start[j] =
+ flashbase + 0x4000 + (j -
+ 1) *
+ 0x2000;
+ }
+
+ /* 4th 32 KB */
+ if (j == 3) {
+ flash_info[i].start[j] =
+ flashbase + 0x8000;
+ }
+ } else {
+ flash_info[i].start[j] =
+ flashbase + (j - 3) * MAIN_SECT_SIZE;
+ }
+ }
+ size += flash_info[i].size;
+ }
+
+ flash_protect (FLAG_PROTECT_SET,
+ CONFIG_SYS_FLASH_BASE,
+ CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1,
+ &flash_info[0]);
+
+ flash_protect (FLAG_PROTECT_SET,
+ CONFIG_ENV_ADDR,
+ CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]);
+
+ return size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t * info)
+{
+ int i;
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case (AMD_MANUFACT & FLASH_VENDMASK):
+ printf ("AMD: ");
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case (AMD_ID_LV400B & FLASH_TYPEMASK):
+ printf ("1x Amd29LV400BB (4Mbit)\n");
+ break;
+ case (AMD_ID_LV800B & FLASH_TYPEMASK):
+ printf ("1x Amd29LV800BB (8Mbit)\n");
+ break;
+ default:
+ printf ("Unknown Chip Type\n");
+ goto Done;
+ 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");
+
+ Done:;
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ ushort result;
+ int iflag, cflag, prot, sect;
+ int rc = ERR_OK;
+ int chip;
+
+ /* first look for protection bits */
+
+ if (info->flash_id == FLASH_UNKNOWN)
+ return ERR_UNKNOWN_FLASH_TYPE;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ return ERR_INVAL;
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) !=
+ (AMD_MANUFACT & FLASH_VENDMASK)) {
+ return ERR_UNKNOWN_FLASH_VENDOR;
+ }
+
+ prot = 0;
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+ if (prot)
+ return ERR_PROTECTED;
+
+ /*
+ * Disable interrupts which might cause a timeout
+ * here. Remember that our exception vectors are
+ * at address 0 in the flash, and we don't want a
+ * (ticker) exception to happen while the flash
+ * chip is in programming mode.
+ */
+ cflag = icache_status ();
+ icache_disable ();
+ iflag = disable_interrupts ();
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last && !ctrlc (); sect++) {
+ printf ("Erasing sector %2d ... ", sect);
+
+ /* arm simple, non interrupt dependent timer */
+ reset_timer_masked ();
+
+ if (info->protect[sect] == 0) { /* not protected */
+ vu_short *addr = (vu_short *) (info->start[sect]);
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ *addr = CMD_ERASE_CONFIRM;
+
+ /* wait until flash is ready */
+ chip = 0;
+
+ do {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer_masked () >
+ CONFIG_SYS_FLASH_ERASE_TOUT) {
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+ chip = TMO;
+ break;
+ }
+
+ if (!chip
+ && (result & 0xFFFF) & BIT_ERASE_DONE)
+ chip = READY;
+
+ if (!chip
+ && (result & 0xFFFF) & BIT_PROGRAM_ERROR)
+ chip = ERR;
+
+ } while (!chip);
+
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+
+ if (chip == ERR) {
+ rc = ERR_PROG_ERROR;
+ goto outahere;
+ }
+ if (chip == TMO) {
+ rc = ERR_TIMOUT;
+ goto outahere;
+ }
+
+ printf ("ok.\n");
+ } else { /* it was protected */
+
+ printf ("protected!\n");
+ }
+ }
+
+ if (ctrlc ())
+ printf ("User Interrupt!\n");
+
+ outahere:
+ /* allow flash to settle - wait 10 ms */
+ udelay_masked (10000);
+
+ if (iflag)
+ enable_interrupts ();
+
+ if (cflag)
+ icache_enable ();
+
+ return rc;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash
+ */
+
+static int write_hword (flash_info_t * info, ulong dest, ushort data)
+{
+ vu_short *addr = (vu_short *) dest;
+ ushort result;
+ int rc = ERR_OK;
+ int cflag, iflag;
+ int chip;
+
+ /*
+ * Check if Flash is (sufficiently) erased
+ */
+ result = *addr;
+ if ((result & data) != data)
+ return ERR_NOT_ERASED;
+
+
+ /*
+ * Disable interrupts which might cause a timeout
+ * here. Remember that our exception vectors are
+ * at address 0 in the flash, and we don't want a
+ * (ticker) exception to happen while the flash
+ * chip is in programming mode.
+ */
+ cflag = icache_status ();
+ icache_disable ();
+ iflag = disable_interrupts ();
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ MEM_FLASH_ADDR1 = CMD_UNLOCK_BYPASS;
+ *addr = CMD_PROGRAM;
+ *addr = data;
+
+ /* arm simple, non interrupt dependent timer */
+ reset_timer_masked ();
+
+ /* wait until flash is ready */
+ chip = 0;
+ do {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) {
+ chip = ERR | TMO;
+ break;
+ }
+ if (!chip && ((result & 0x80) == (data & 0x80)))
+ chip = READY;
+
+ if (!chip && ((result & 0xFFFF) & BIT_PROGRAM_ERROR)) {
+ result = *addr;
+
+ if ((result & 0x80) == (data & 0x80))
+ chip = READY;
+ else
+ chip = ERR;
+ }
+
+ } while (!chip);
+
+ *addr = CMD_READ_ARRAY;
+
+ if (chip == ERR || *addr != data)
+ rc = ERR_PROG_ERROR;
+
+ if (iflag)
+ enable_interrupts ();
+
+ if (cflag)
+ icache_enable ();
+
+ return rc;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash.
+ */
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ ulong cp, wp;
+ int l;
+ int i, rc;
+ ushort data;
+
+ wp = (addr & ~1); /* get lower word aligned address */
+
+ /*
+ * 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 << 8);
+ }
+ for (; i < 2 && cnt > 0; ++i) {
+ data = (data >> 8) | (*src++ << 8);
+ --cnt;
+ ++cp;
+ }
+ for (; cnt == 0 && i < 2; ++i, ++cp) {
+ data = (data >> 8) | (*(uchar *) cp << 8);
+ }
+
+ if ((rc = write_hword (info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 2;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ while (cnt >= 2) {
+ data = *((vu_short *) src);
+ if ((rc = write_hword (info, wp, data)) != 0) {
+ return (rc);
+ }
+ src += 2;
+ wp += 2;
+ cnt -= 2;
+ }
+
+ if (cnt == 0) {
+ return ERR_OK;
+ }
+
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) {
+ data = (data >> 8) | (*src++ << 8);
+ --cnt;
+ }
+ for (; i < 2; ++i, ++cp) {
+ data = (data >> 8) | (*(uchar *) cp << 8);
+ }
+
+ return write_hword (info, wp, data);
+}
--- /dev/null
+/*
+ * Memory Setup stuff - taken from blob memsetup.S
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
+ * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
+ *
+ * Modified for the Samsung SMDK2410 by
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ *
+ * 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>
+
+
+/* some parameters for the board */
+
+/*
+ *
+ * Taken from linux/arch/arm/boot/compressed/head-s3c2410.S
+ *
+ * Copyright (C) 2002 Samsung Electronics SW.LEE <hitchcar@sec.samsung.com>
+ *
+ */
+
+#define BWSCON 0x48000000
+
+/* BWSCON */
+#define DW8 (0x0)
+#define DW16 (0x1)
+#define DW32 (0x2)
+#define WAIT (0x1<<2)
+#define UBLB (0x1<<3)
+
+#define B1_BWSCON (DW32)
+#define B2_BWSCON (DW16)
+#define B3_BWSCON (DW16 + WAIT + UBLB)
+#define B4_BWSCON (DW16)
+#define B5_BWSCON (DW16)
+#define B6_BWSCON (DW32)
+#define B7_BWSCON (DW32)
+
+/* BANK0CON */
+#define B0_Tacs 0x0 /* 0clk */
+#define B0_Tcos 0x0 /* 0clk */
+#define B0_Tacc 0x7 /* 14clk */
+#define B0_Tcoh 0x0 /* 0clk */
+#define B0_Tah 0x0 /* 0clk */
+#define B0_Tacp 0x0
+#define B0_PMC 0x0 /* normal */
+
+/* BANK1CON */
+#define B1_Tacs 0x0 /* 0clk */
+#define B1_Tcos 0x0 /* 0clk */
+#define B1_Tacc 0x7 /* 14clk */
+#define B1_Tcoh 0x0 /* 0clk */
+#define B1_Tah 0x0 /* 0clk */
+#define B1_Tacp 0x0
+#define B1_PMC 0x0
+
+#define B2_Tacs 0x0
+#define B2_Tcos 0x0
+#define B2_Tacc 0x7
+#define B2_Tcoh 0x0
+#define B2_Tah 0x0
+#define B2_Tacp 0x0
+#define B2_PMC 0x0
+
+#define B3_Tacs 0x0 /* 0clk */
+#define B3_Tcos 0x3 /* 4clk */
+#define B3_Tacc 0x7 /* 14clk */
+#define B3_Tcoh 0x1 /* 1clk */
+#define B3_Tah 0x0 /* 0clk */
+#define B3_Tacp 0x3 /* 6clk */
+#define B3_PMC 0x0 /* normal */
+
+#define B4_Tacs 0x0 /* 0clk */
+#define B4_Tcos 0x0 /* 0clk */
+#define B4_Tacc 0x7 /* 14clk */
+#define B4_Tcoh 0x0 /* 0clk */
+#define B4_Tah 0x0 /* 0clk */
+#define B4_Tacp 0x0
+#define B4_PMC 0x0 /* normal */
+
+#define B5_Tacs 0x0 /* 0clk */
+#define B5_Tcos 0x0 /* 0clk */
+#define B5_Tacc 0x7 /* 14clk */
+#define B5_Tcoh 0x0 /* 0clk */
+#define B5_Tah 0x0 /* 0clk */
+#define B5_Tacp 0x0
+#define B5_PMC 0x0 /* normal */
+
+#define B6_MT 0x3 /* SDRAM */
+#define B6_Trcd 0x1
+#define B6_SCAN 0x1 /* 9bit */
+
+#define B7_MT 0x3 /* SDRAM */
+#define B7_Trcd 0x1 /* 3clk */
+#define B7_SCAN 0x1 /* 9bit */
+
+/* REFRESH parameter */
+#define REFEN 0x1 /* Refresh enable */
+#define TREFMD 0x0 /* CBR(CAS before RAS)/Auto refresh */
+#define Trp 0x0 /* 2clk */
+#define Trc 0x3 /* 7clk */
+#define Tchr 0x2 /* 3clk */
+#define REFCNT 1113 /* period=15.6us, HCLK=60Mhz, (2048+1-15.6*60) */
+/**************************************/
+
+_TEXT_BASE:
+ .word TEXT_BASE
+
+.globl lowlevel_init
+lowlevel_init:
+ /* memory control configuration */
+ /* make r0 relative the current location so that it */
+ /* reads SMRDATA out of FLASH rather than memory ! */
+ ldr r0, =SMRDATA
+ ldr r1, _TEXT_BASE
+ sub r0, r0, r1
+ ldr r1, =BWSCON /* Bus Width Status Controller */
+ add r2, r0, #13*4
+0:
+ ldr r3, [r0], #4
+ str r3, [r1], #4
+ cmp r2, r0
+ bne 0b
+
+ /* everything is fine now */
+ mov pc, lr
+
+ .ltorg
+/* the literal pools origin */
+
+SMRDATA:
+ .word (0+(B1_BWSCON<<4)+(B2_BWSCON<<8)+(B3_BWSCON<<12)+(B4_BWSCON<<16)+(B5_BWSCON<<20)+(B6_BWSCON<<24)+(B7_BWSCON<<28))
+ .word ((B0_Tacs<<13)+(B0_Tcos<<11)+(B0_Tacc<<8)+(B0_Tcoh<<6)+(B0_Tah<<4)+(B0_Tacp<<2)+(B0_PMC))
+ .word ((B1_Tacs<<13)+(B1_Tcos<<11)+(B1_Tacc<<8)+(B1_Tcoh<<6)+(B1_Tah<<4)+(B1_Tacp<<2)+(B1_PMC))
+ .word ((B2_Tacs<<13)+(B2_Tcos<<11)+(B2_Tacc<<8)+(B2_Tcoh<<6)+(B2_Tah<<4)+(B2_Tacp<<2)+(B2_PMC))
+ .word ((B3_Tacs<<13)+(B3_Tcos<<11)+(B3_Tacc<<8)+(B3_Tcoh<<6)+(B3_Tah<<4)+(B3_Tacp<<2)+(B3_PMC))
+ .word ((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC))
+ .word ((B5_Tacs<<13)+(B5_Tcos<<11)+(B5_Tacc<<8)+(B5_Tcoh<<6)+(B5_Tah<<4)+(B5_Tacp<<2)+(B5_PMC))
+ .word ((B6_MT<<15)+(B6_Trcd<<2)+(B6_SCAN))
+ .word ((B7_MT<<15)+(B7_Trcd<<2)+(B7_SCAN))
+ .word ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT)
+ .word 0x32
+ .word 0x30
+ .word 0x30
--- /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>
+ *
+ * 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 <s3c2410.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define FCLK_SPEED 1
+
+#if FCLK_SPEED==0 /* Fout = 203MHz, Fin = 12MHz for Audio */
+#define M_MDIV 0xC3
+#define M_PDIV 0x4
+#define M_SDIV 0x1
+#elif FCLK_SPEED==1 /* Fout = 202.8MHz */
+#define M_MDIV 0xA1
+#define M_PDIV 0x3
+#define M_SDIV 0x1
+#endif
+
+#define USB_CLOCK 1
+
+#if USB_CLOCK==0
+#define U_M_MDIV 0xA1
+#define U_M_PDIV 0x3
+#define U_M_SDIV 0x1
+#elif USB_CLOCK==1
+#define U_M_MDIV 0x48
+#define U_M_PDIV 0x3
+#define U_M_SDIV 0x2
+#endif
+
+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)
+{
+ S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
+ S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+
+ /* to reduce PLL lock time, adjust the LOCKTIME register */
+ clk_power->LOCKTIME = 0xFFFFFF;
+
+ /* configure MPLL */
+ clk_power->MPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
+
+ /* some delay between MPLL and UPLL */
+ delay (4000);
+
+ /* configure UPLL */
+ clk_power->UPLLCON = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
+
+ /* some delay between MPLL and UPLL */
+ delay (8000);
+
+ /* set up the I/O ports */
+ gpio->GPACON = 0x007FFFFF;
+ gpio->GPBCON = 0x00044555;
+ gpio->GPBUP = 0x000007FF;
+ gpio->GPCCON = 0xAAAAAAAA;
+ gpio->GPCUP = 0x0000FFFF;
+ gpio->GPDCON = 0xAAAAAAAA;
+ gpio->GPDUP = 0x0000FFFF;
+ gpio->GPECON = 0xAAAAAAAA;
+ gpio->GPEUP = 0x0000FFFF;
+ gpio->GPFCON = 0x000055AA;
+ gpio->GPFUP = 0x000000FF;
+ gpio->GPGCON = 0xFF95FFBA;
+ gpio->GPGUP = 0x0000FFFF;
+ gpio->GPHCON = 0x002AFAAA;
+ gpio->GPHUP = 0x000007FF;
+
+ /* arch number of SMDK2410-Board */
+ gd->bd->bi_arch_number = MACH_TYPE_SMDK2410;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0x30000100;
+
+ icache_enable();
+ dcache_enable();
+
+ return 0;
+}
+
+int dram_init (void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+ return 0;
+}
--- /dev/null
+/*
+ * (C) Copyright 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_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ cpu/arm920t/start.o (.text)
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(.rodata) }
+
+ . = ALIGN(4);
+ .data : { *(.data) }
+
+ . = ALIGN(4);
+ .got : { *(.got) }
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(4);
+ __bss_start = .;
+ .bss (NOLOAD) : { *(.bss) . = ALIGN(4); }
+ _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 := smdk2400.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
-#
-# (C) Copyright 2002
-# Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
-#
-# SAMSUNG board with S3C2400X (ARM920T) CPU
-#
-# see http://www.samsung.com/ for more information on SAMSUNG
-#
-
-#
-# SAMSUNG has 1 bank of 32 MB DRAM
-#
-# 0C00'0000 to 0E00'0000
-#
-# Linux-Kernel is expected to be at 0cf0'0000, entry 0cf0'0000
-# optionally with a ramdisk at 0c80'0000
-#
-# we load ourself to 0CF80000 (must be high enough not to be
-# overwritten by the uncompessing Linux kernel)
-#
-# download area is 0C80'0000
-#
-
-
-TEXT_BASE = 0x0CF80000
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (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
- */
-
-/* #define DEBUG */
-
-#include <common.h>
-#include <environment.h>
-
-#define FLASH_BANK_SIZE 0x1000000 /* 2 x 8 MB */
-#define MAIN_SECT_SIZE 0x40000 /* 2 x 128 kB */
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
-
-
-#define CMD_READ_ARRAY 0x00FF00FF
-#define CMD_IDENTIFY 0x00900090
-#define CMD_ERASE_SETUP 0x00200020
-#define CMD_ERASE_CONFIRM 0x00D000D0
-#define CMD_PROGRAM 0x00400040
-#define CMD_RESUME 0x00D000D0
-#define CMD_SUSPEND 0x00B000B0
-#define CMD_STATUS_READ 0x00700070
-#define CMD_STATUS_RESET 0x00500050
-
-#define BIT_BUSY 0x00800080
-#define BIT_ERASE_SUSPEND 0x00400040
-#define BIT_ERASE_ERROR 0x00200020
-#define BIT_PROGRAM_ERROR 0x00100010
-#define BIT_VPP_RANGE_ERROR 0x00080008
-#define BIT_PROGRAM_SUSPEND 0x00040004
-#define BIT_PROTECT_ERROR 0x00020002
-#define BIT_UNDEFINED 0x00010001
-
-#define BIT_SEQUENCE_ERROR 0x00300030
-#define BIT_TIMEOUT 0x80000000
-
-/*-----------------------------------------------------------------------
- */
-
-ulong flash_init (void)
-{
- int i, j;
- ulong size = 0;
-
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
- ulong flashbase = 0;
-
- flash_info[i].flash_id =
- (INTEL_MANUFACT & FLASH_VENDMASK) |
- (INTEL_ID_28F640J3A & FLASH_TYPEMASK);
- flash_info[i].size = FLASH_BANK_SIZE;
- flash_info[i].sector_count = CONFIG_SYS_MAX_FLASH_SECT;
- memset (flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT);
- if (i == 0)
- flashbase = CONFIG_SYS_FLASH_BASE;
- else
- panic ("configured too many flash banks!\n");
- for (j = 0; j < flash_info[i].sector_count; j++) {
- flash_info[i].start[j] = flashbase;
-
- /* uniform sector size */
- flashbase += MAIN_SECT_SIZE;
- }
- 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]);
-
- flash_protect ( FLAG_PROTECT_SET,
- CONFIG_ENV_ADDR,
- CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]);
-
-#ifdef CONFIG_ENV_ADDR_REDUND
- flash_protect ( FLAG_PROTECT_SET,
- CONFIG_ENV_ADDR_REDUND,
- CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SIZE_REDUND - 1,
- &flash_info[0]);
-#endif
-
- return size;
-}
-
-/*-----------------------------------------------------------------------
- */
-void flash_print_info (flash_info_t * info)
-{
- int i;
-
- switch (info->flash_id & FLASH_VENDMASK) {
- case (INTEL_MANUFACT & FLASH_VENDMASK):
- printf ("Intel: ");
- break;
- default:
- printf ("Unknown Vendor ");
- break;
- }
-
- switch (info->flash_id & FLASH_TYPEMASK) {
- case (INTEL_ID_28F640J3A & FLASH_TYPEMASK):
- printf ("2x 28F640J3A (64Mbit)\n");
- break;
- default:
- printf ("Unknown Chip Type\n");
- goto Done;
- 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");
-
-Done: ;
-}
-
-/*-----------------------------------------------------------------------
- */
-
-int flash_error (ulong code)
-{
- /* Check bit patterns */
- /* SR.7=0 is busy, SR.7=1 is ready */
- /* all other flags indicate error on 1 */
- /* SR.0 is undefined */
- /* Timeout is our faked flag */
-
- /* sequence is described in Intel 290644-005 document */
-
- /* check Timeout */
- if (code & BIT_TIMEOUT) {
- puts ("Timeout\n");
- return ERR_TIMOUT;
- }
-
- /* check Busy, SR.7 */
- if (~code & BIT_BUSY) {
- puts ("Busy\n");
- return ERR_PROG_ERROR;
- }
-
- /* check Vpp low, SR.3 */
- if (code & BIT_VPP_RANGE_ERROR) {
- puts ("Vpp range error\n");
- return ERR_PROG_ERROR;
- }
-
- /* check Device Protect Error, SR.1 */
- if (code & BIT_PROTECT_ERROR) {
- puts ("Device protect error\n");
- return ERR_PROG_ERROR;
- }
-
- /* check Command Seq Error, SR.4 & SR.5 */
- if (code & BIT_SEQUENCE_ERROR) {
- puts ("Command seqence error\n");
- return ERR_PROG_ERROR;
- }
-
- /* check Block Erase Error, SR.5 */
- if (code & BIT_ERASE_ERROR) {
- puts ("Block erase error\n");
- return ERR_PROG_ERROR;
- }
-
- /* check Program Error, SR.4 */
- if (code & BIT_PROGRAM_ERROR) {
- puts ("Program error\n");
- return ERR_PROG_ERROR;
- }
-
- /* check Block Erase Suspended, SR.6 */
- if (code & BIT_ERASE_SUSPEND) {
- puts ("Block erase suspended\n");
- return ERR_PROG_ERROR;
- }
-
- /* check Program Suspended, SR.2 */
- if (code & BIT_PROGRAM_SUSPEND) {
- puts ("Program suspended\n");
- return ERR_PROG_ERROR;
- }
-
- /* OK, no error */
- return ERR_OK;
-}
-
-/*-----------------------------------------------------------------------
- */
-
-int flash_erase (flash_info_t * info, int s_first, int s_last)
-{
- ulong result, result1;
- int iflag, prot, sect;
- int rc = ERR_OK;
-
-#ifdef USE_920T_MMU
- int cflag;
-#endif
-
- debug ("flash_erase: s_first %d s_last %d\n", s_first, s_last);
-
- /* first look for protection bits */
-
- if (info->flash_id == FLASH_UNKNOWN)
- return ERR_UNKNOWN_FLASH_TYPE;
-
- if ((s_first < 0) || (s_first > s_last)) {
- return ERR_INVAL;
- }
-
- if ((info->flash_id & FLASH_VENDMASK) !=
- (INTEL_MANUFACT & FLASH_VENDMASK)) {
- return ERR_UNKNOWN_FLASH_VENDOR;
- }
-
- 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");
- }
-
- /*
- * Disable interrupts which might cause a timeout
- * here. Remember that our exception vectors are
- * at address 0 in the flash, and we don't want a
- * (ticker) exception to happen while the flash
- * chip is in programming mode.
- */
-#ifdef USE_920T_MMU
- cflag = dcache_status ();
- dcache_disable ();
-#endif
- iflag = disable_interrupts ();
-
- /* Start erase on unprotected sectors */
- for (sect = s_first; sect <= s_last && !ctrlc (); sect++) {
-
- debug ("Erasing sector %2d @ %08lX... ",
- sect, info->start[sect]);
-
- /* arm simple, non interrupt dependent timer */
- reset_timer_masked ();
-
- if (info->protect[sect] == 0) { /* not protected */
- vu_long *addr = (vu_long *) (info->start[sect]);
- ulong bsR7, bsR7_2, bsR5, bsR5_2;
-
- /* *addr = CMD_STATUS_RESET; */
- *addr = CMD_ERASE_SETUP;
- *addr = CMD_ERASE_CONFIRM;
-
- /* wait until flash is ready */
- do {
- /* check timeout */
- if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) {
- *addr = CMD_STATUS_RESET;
- result = BIT_TIMEOUT;
- break;
- }
-
- *addr = CMD_STATUS_READ;
- result = *addr;
- bsR7 = result & (1 << 7);
- bsR7_2 = result & (1 << 23);
- } while (!bsR7 | !bsR7_2);
-
- *addr = CMD_STATUS_READ;
- result1 = *addr;
- bsR5 = result1 & (1 << 5);
- bsR5_2 = result1 & (1 << 21);
-#ifdef SAMSUNG_FLASH_DEBUG
- printf ("bsR5 %lx bsR5_2 %lx\n", bsR5, bsR5_2);
- if (bsR5 != 0 && bsR5_2 != 0)
- printf ("bsR5 %lx bsR5_2 %lx\n", bsR5, bsR5_2);
-#endif
-
- *addr = CMD_READ_ARRAY;
- *addr = CMD_RESUME;
-
- if ((rc = flash_error (result)) != ERR_OK)
- goto outahere;
-#if 0
- printf ("ok.\n");
- } else { /* it was protected */
-
- printf ("protected!\n");
-#endif
- }
- }
-
-outahere:
- /* allow flash to settle - wait 10 ms */
- udelay_masked (10000);
-
- if (iflag)
- enable_interrupts ();
-
-#ifdef USE_920T_MMU
- if (cflag)
- dcache_enable ();
-#endif
- return rc;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash
- */
-
-static int write_word (flash_info_t * info, ulong dest, ulong data)
-{
- vu_long *addr = (vu_long *) dest;
- ulong result;
- int rc = ERR_OK;
- int iflag;
-
-#ifdef USE_920T_MMU
- int cflag;
-#endif
-
- /*
- * Check if Flash is (sufficiently) erased
- */
- result = *addr;
- if ((result & data) != data)
- return ERR_NOT_ERASED;
-
- /*
- * Disable interrupts which might cause a timeout
- * here. Remember that our exception vectors are
- * at address 0 in the flash, and we don't want a
- * (ticker) exception to happen while the flash
- * chip is in programming mode.
- */
-#ifdef USE_920T_MMU
- cflag = dcache_status ();
- dcache_disable ();
-#endif
- iflag = disable_interrupts ();
-
- /* *addr = CMD_STATUS_RESET; */
- *addr = CMD_PROGRAM;
- *addr = data;
-
- /* arm simple, non interrupt dependent timer */
- reset_timer_masked ();
-
- /* wait until flash is ready */
- do {
- /* check timeout */
- if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) {
- *addr = CMD_SUSPEND;
- result = BIT_TIMEOUT;
- break;
- }
-
- *addr = CMD_STATUS_READ;
- result = *addr;
- } while (~result & BIT_BUSY);
-
- /* *addr = CMD_READ_ARRAY; */
- *addr = CMD_STATUS_READ;
- result = *addr;
-
- rc = flash_error (result);
-
- if (iflag)
- enable_interrupts ();
-
-#ifdef USE_920T_MMU
- if (cflag)
- dcache_enable ();
-#endif
- *addr = CMD_READ_ARRAY;
- *addr = CMD_RESUME;
- return rc;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash.
- */
-
-int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
-{
- ulong cp, wp, data;
- int l;
- int i, rc;
-
- wp = (addr & ~3); /* get lower word aligned address */
-
- /*
- * 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 << 24);
- }
- for (; i < 4 && cnt > 0; ++i) {
- data = (data >> 8) | (*src++ << 24);
- --cnt;
- ++cp;
- }
- for (; cnt == 0 && i < 4; ++i, ++cp) {
- data = (data >> 8) | (*(uchar *) cp << 24);
- }
-
- if ((rc = write_word (info, wp, data)) != 0) {
- return (rc);
- }
- wp += 4;
- }
-
- /*
- * handle word aligned part
- */
- while (cnt >= 4) {
- data = *((vu_long *) src);
- if ((rc = write_word (info, wp, data)) != 0) {
- return (rc);
- }
- src += 4;
- wp += 4;
- cnt -= 4;
- }
-
- if (cnt == 0) {
- return ERR_OK;
- }
-
- /*
- * handle unaligned tail bytes
- */
- data = 0;
- for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) {
- data = (data >> 8) | (*src++ << 24);
- --cnt;
- }
- for (; i < 4; ++i, ++cp) {
- data = (data >> 8) | (*(uchar *) cp << 24);
- }
-
- return write_word (info, wp, data);
-}
+++ /dev/null
-/*
- * Memory Setup stuff - taken from blob memsetup.S
- *
- * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
- * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
- *
- * Modified for the Samsung development board by
- * (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
- */
-
-
-#include <config.h>
-#include <version.h>
-
-
-/* some parameters for the board */
-
-/*
- *
- * Taken from linux/arch/arm/boot/compressed/head-s3c2400.S
- *
- * Copyright (C) 2001 Samsung Electronics by chc, 010406
- *
- * S3C2400 specific tweaks.
- *
- */
-
-/* memory controller */
-#define BWSCON 0x14000000
-#define BANKCON3 0x14000010 /* for cs8900, ethernet */
-
-/* Bank0 */
-#define B0_Tacs 0x0 /* 0 clk */
-#define B0_Tcos 0x0 /* 0 clk */
-#define B0_Tacc 0x7 /* 14 clk */
-#define B0_Tcoh 0x0 /* 0 clk */
-#define B0_Tah 0x0 /* 0 clk */
-#define B0_Tacp 0x0
-#define B0_PMC 0x0 /* normal */
-
-/* Bank1 */
-#define B1_Tacs 0x0 /* 0 clk */
-#define B1_Tcos 0x0 /* 0 clk */
-#define B1_Tacc 0x7 /* 14 clk */
-#define B1_Tcoh 0x0 /* 0 clk */
-#define B1_Tah 0x0 /* 0 clk */
-#define B1_Tacp 0x0
-#define B1_PMC 0x0 /* normal */
-
-/* Bank2 */
-#define B2_Tacs 0x0 /* 0 clk */
-#define B2_Tcos 0x0 /* 0 clk */
-#define B2_Tacc 0x7 /* 14 clk */
-#define B2_Tcoh 0x0 /* 0 clk */
-#define B2_Tah 0x0 /* 0 clk */
-#define B2_Tacp 0x0
-#define B2_PMC 0x0 /* normal */
-
-/* Bank3 - setup for the cs8900 */
-#define B3_Tacs 0x0 /* 0 clk */
-#define B3_Tcos 0x3 /* 4 clk */
-#define B3_Tacc 0x7 /* 14 clk */
-#define B3_Tcoh 0x1 /* 1 clk */
-#define B3_Tah 0x0 /* 0 clk */
-#define B3_Tacp 0x3 /* 6 clk */
-#define B3_PMC 0x0 /* normal */
-
-/* Bank4 */
-#define B4_Tacs 0x0 /* 0 clk */
-#define B4_Tcos 0x0 /* 0 clk */
-#define B4_Tacc 0x7 /* 14 clk */
-#define B4_Tcoh 0x0 /* 0 clk */
-#define B4_Tah 0x0 /* 0 clk */
-#define B4_Tacp 0x0
-#define B4_PMC 0x0 /* normal */
-
-/* Bank5 */
-#define B5_Tacs 0x0 /* 0 clk */
-#define B5_Tcos 0x0 /* 0 clk */
-#define B5_Tacc 0x7 /* 14 clk */
-#define B5_Tcoh 0x0 /* 0 clk */
-#define B5_Tah 0x0 /* 0 clk */
-#define B5_Tacp 0x0
-#define B5_PMC 0x0 /* normal */
-
-/* Bank6 */
-#define B6_MT 0x3 /* SDRAM */
-#define B6_Trcd 0x1 /* 3clk */
-#define B6_SCAN 0x1 /* 9 bit */
-
-/* Bank7 */
-#define B7_MT 0x3 /* SDRAM */
-#define B7_Trcd 0x1 /* 3clk */
-#define B7_SCAN 0x1 /* 9 bit */
-
-/* refresh parameter */
-#define REFEN 0x1 /* enable refresh */
-#define TREFMD 0x0 /* CBR(CAS before RAS)/auto refresh */
-#define Trp 0x0 /* 2 clk */
-#define Trc 0x3 /* 7 clk */
-#define Tchr 0x2 /* 3 clk */
-
-#define REFCNT 1113 /* period=15.6 us, HCLK=60Mhz, (2048+1-15.6*66) */
-
-
-_TEXT_BASE:
- .word TEXT_BASE
-
-.globl lowlevel_init
-lowlevel_init:
- /* memory control configuration */
- /* make r0 relative the current location so that it */
- /* reads SMRDATA out of FLASH rather than memory ! */
- ldr r0, =SMRDATA
- ldr r1, _TEXT_BASE
- sub r0, r0, r1
- ldr r1, =BWSCON /* Bus Width Status Controller */
- add r2, r0, #52
-0:
- ldr r3, [r0], #4
- str r3, [r1], #4
- cmp r2, r0
- bne 0b
-
- /* everything is fine now */
- mov pc, lr
-
- .ltorg
-/* the literal pools origin */
-
-SMRDATA:
- .word 0x2211d114 /* d->Ethernet, BUSWIDTH=32 */
- .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)
- .word 0x10 /* BUSWIDTH=32, SCLK power saving mode, BANKSIZE 32M/32M */
- .word 0x30 /* MRSR6, CL=3clk */
- .word 0x30 /* MRSR7 */
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (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
- */
-
-#include <common.h>
-#include <s3c2400.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef CONFIG_MODEM_SUPPORT
-static int key_pressed(void);
-int mdm_init (bd_t *);
-extern void disable_putc(void);
-extern void enable_putc(void);
-extern int hwflow_onoff(int);
-extern int do_mdm_init; /* defined in common/main.c */
-#endif /* CONFIG_MODEM_SUPPORT */
-
-/*
- * Miscellaneous platform dependent initialisations
- */
-
-int board_init (void)
-{
- S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
- S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
-
- /* memory and cpu-speed are setup before relocation */
- /* change the clock to be 50 MHz 1:1:1 */
- clk_power->MPLLCON = 0x5c042;
- clk_power->CLKDIVN = 0;
- /* set up the I/O ports */
- gpio->PACON = 0x3ffff;
- gpio->PBCON = 0xaaaaaaaa;
- gpio->PBUP = 0xffff;
- gpio->PECON = 0x0;
- gpio->PEUP = 0x0;
-#ifdef CONFIG_HWFLOW
- /*CTS[0] RTS[0] INPUT INPUT TXD[0] INPUT RXD[0] */
- /* 10, 10, 00, 00, 10, 00, 10 */
- gpio->PFCON=0xa22;
- /* Disable pull-up on Rx, Tx, CTS and RTS pins */
- gpio->PFUP=0x35;
-#else
- /*INPUT INPUT INPUT INPUT TXD[0] INPUT RXD[0] */
- /* 00, 00, 00, 00, 10, 00, 10 */
- gpio->PFCON = 0x22;
- /* Disable pull-up on Rx and Tx pins */
- gpio->PFUP = 0x5;
-#endif /* CONFIG_HWFLOW */
- gpio->PGCON = 0x0;
- gpio->PGUP = 0x0;
- gpio->OPENCR = 0x0;
-
- /* arch number of SAMSUNG-Board to MACH_TYPE_SMDK2400 */
- gd->bd->bi_arch_number = MACH_TYPE_SMDK2400;
-
- /* adress of boot parameters */
- gd->bd->bi_boot_params = 0x0C000100;
-
-#ifdef CONFIG_MODEM_SUPPORT
- if (key_pressed()) {
- disable_putc(); /* modem doesn't understand banner etc */
- do_mdm_init = 1;
- }
-#endif /* CONFIG_MODEM_SUPPORT */
-
- return 0;
-}
-
-int dram_init (void)
-{
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
-
- return 0;
-}
-
-#ifdef CONFIG_MODEM_SUPPORT
-static int key_pressed(void)
-{
- int rc;
- if (1) { /* check for button push here, now just return 1 */
- rc = 1;
- }
-
- return rc;
-}
-#endif /* CONFIG_MODEM_SUPPORT */
+++ /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_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/
-OUTPUT_ARCH(arm)
-ENTRY(_start)
-SECTIONS
-{
- . = 0x00000000;
-
- . = ALIGN(4);
- .text :
- {
- cpu/arm920t/start.o (.text)
- *(.text)
- }
-
- . = ALIGN(4);
- .rodata : { *(.rodata) }
-
- . = ALIGN(4);
- .data : { *(.data) }
-
- . = ALIGN(4);
- .got : { *(.got) }
-
- . = .;
- __u_boot_cmd_start = .;
- .u_boot_cmd : { *(.u_boot_cmd) }
- __u_boot_cmd_end = .;
-
- . = ALIGN(4);
- __bss_start = .;
- .bss (NOLOAD) : { *(.bss) . = ALIGN(4); }
- _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 := smdk2410.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
-#
-# (C) Copyright 2002
-# Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
-# David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
-#
-# SAMSUNG SMDK2410 board with S3C2410X (ARM920T) cpu
-#
-# see http://www.samsung.com/ for more information on SAMSUNG
-#
-
-#
-# SMDK2410 has 1 bank of 64 MB DRAM
-#
-# 3000'0000 to 3400'0000
-#
-# Linux-Kernel is expected to be at 3000'8000, entry 3000'8000
-# optionally with a ramdisk at 3080'0000
-#
-# we load ourself to 33F8'0000
-#
-# download area is 3300'0000
-#
-
-
-TEXT_BASE = 0x33F80000
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@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 <common.h>
-
-ulong myflush (void);
-
-
-#define FLASH_BANK_SIZE PHYS_FLASH_SIZE
-#define MAIN_SECT_SIZE 0x10000 /* 64 KB */
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
-
-
-#define CMD_READ_ARRAY 0x000000F0
-#define CMD_UNLOCK1 0x000000AA
-#define CMD_UNLOCK2 0x00000055
-#define CMD_ERASE_SETUP 0x00000080
-#define CMD_ERASE_CONFIRM 0x00000030
-#define CMD_PROGRAM 0x000000A0
-#define CMD_UNLOCK_BYPASS 0x00000020
-
-#define MEM_FLASH_ADDR1 (*(volatile u16 *)(CONFIG_SYS_FLASH_BASE + (0x00000555 << 1)))
-#define MEM_FLASH_ADDR2 (*(volatile u16 *)(CONFIG_SYS_FLASH_BASE + (0x000002AA << 1)))
-
-#define BIT_ERASE_DONE 0x00000080
-#define BIT_RDY_MASK 0x00000080
-#define BIT_PROGRAM_ERROR 0x00000020
-#define BIT_TIMEOUT 0x80000000 /* our flag */
-
-#define READY 1
-#define ERR 2
-#define TMO 4
-
-/*-----------------------------------------------------------------------
- */
-
-ulong flash_init (void)
-{
- int i, j;
- ulong size = 0;
-
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
- ulong flashbase = 0;
-
- flash_info[i].flash_id =
-#if defined(CONFIG_AMD_LV400)
- (AMD_MANUFACT & FLASH_VENDMASK) |
- (AMD_ID_LV400B & FLASH_TYPEMASK);
-#elif defined(CONFIG_AMD_LV800)
- (AMD_MANUFACT & FLASH_VENDMASK) |
- (AMD_ID_LV800B & FLASH_TYPEMASK);
-#else
-#error "Unknown flash configured"
-#endif
- flash_info[i].size = FLASH_BANK_SIZE;
- flash_info[i].sector_count = CONFIG_SYS_MAX_FLASH_SECT;
- memset (flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT);
- if (i == 0)
- flashbase = PHYS_FLASH_1;
- else
- panic ("configured too many flash banks!\n");
- for (j = 0; j < flash_info[i].sector_count; j++) {
- if (j <= 3) {
- /* 1st one is 16 KB */
- if (j == 0) {
- flash_info[i].start[j] =
- flashbase + 0;
- }
-
- /* 2nd and 3rd are both 8 KB */
- if ((j == 1) || (j == 2)) {
- flash_info[i].start[j] =
- flashbase + 0x4000 + (j -
- 1) *
- 0x2000;
- }
-
- /* 4th 32 KB */
- if (j == 3) {
- flash_info[i].start[j] =
- flashbase + 0x8000;
- }
- } else {
- flash_info[i].start[j] =
- flashbase + (j - 3) * MAIN_SECT_SIZE;
- }
- }
- size += flash_info[i].size;
- }
-
- flash_protect (FLAG_PROTECT_SET,
- CONFIG_SYS_FLASH_BASE,
- CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1,
- &flash_info[0]);
-
- flash_protect (FLAG_PROTECT_SET,
- CONFIG_ENV_ADDR,
- CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]);
-
- return size;
-}
-
-/*-----------------------------------------------------------------------
- */
-void flash_print_info (flash_info_t * info)
-{
- int i;
-
- switch (info->flash_id & FLASH_VENDMASK) {
- case (AMD_MANUFACT & FLASH_VENDMASK):
- printf ("AMD: ");
- break;
- default:
- printf ("Unknown Vendor ");
- break;
- }
-
- switch (info->flash_id & FLASH_TYPEMASK) {
- case (AMD_ID_LV400B & FLASH_TYPEMASK):
- printf ("1x Amd29LV400BB (4Mbit)\n");
- break;
- case (AMD_ID_LV800B & FLASH_TYPEMASK):
- printf ("1x Amd29LV800BB (8Mbit)\n");
- break;
- default:
- printf ("Unknown Chip Type\n");
- goto Done;
- 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");
-
- Done:;
-}
-
-/*-----------------------------------------------------------------------
- */
-
-int flash_erase (flash_info_t * info, int s_first, int s_last)
-{
- ushort result;
- int iflag, cflag, prot, sect;
- int rc = ERR_OK;
- int chip;
-
- /* first look for protection bits */
-
- if (info->flash_id == FLASH_UNKNOWN)
- return ERR_UNKNOWN_FLASH_TYPE;
-
- if ((s_first < 0) || (s_first > s_last)) {
- return ERR_INVAL;
- }
-
- if ((info->flash_id & FLASH_VENDMASK) !=
- (AMD_MANUFACT & FLASH_VENDMASK)) {
- return ERR_UNKNOWN_FLASH_VENDOR;
- }
-
- prot = 0;
- for (sect = s_first; sect <= s_last; ++sect) {
- if (info->protect[sect]) {
- prot++;
- }
- }
- if (prot)
- return ERR_PROTECTED;
-
- /*
- * Disable interrupts which might cause a timeout
- * here. Remember that our exception vectors are
- * at address 0 in the flash, and we don't want a
- * (ticker) exception to happen while the flash
- * chip is in programming mode.
- */
- cflag = icache_status ();
- icache_disable ();
- iflag = disable_interrupts ();
-
- /* Start erase on unprotected sectors */
- for (sect = s_first; sect <= s_last && !ctrlc (); sect++) {
- printf ("Erasing sector %2d ... ", sect);
-
- /* arm simple, non interrupt dependent timer */
- reset_timer_masked ();
-
- if (info->protect[sect] == 0) { /* not protected */
- vu_short *addr = (vu_short *) (info->start[sect]);
-
- MEM_FLASH_ADDR1 = CMD_UNLOCK1;
- MEM_FLASH_ADDR2 = CMD_UNLOCK2;
- MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
-
- MEM_FLASH_ADDR1 = CMD_UNLOCK1;
- MEM_FLASH_ADDR2 = CMD_UNLOCK2;
- *addr = CMD_ERASE_CONFIRM;
-
- /* wait until flash is ready */
- chip = 0;
-
- do {
- result = *addr;
-
- /* check timeout */
- if (get_timer_masked () >
- CONFIG_SYS_FLASH_ERASE_TOUT) {
- MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
- chip = TMO;
- break;
- }
-
- if (!chip
- && (result & 0xFFFF) & BIT_ERASE_DONE)
- chip = READY;
-
- if (!chip
- && (result & 0xFFFF) & BIT_PROGRAM_ERROR)
- chip = ERR;
-
- } while (!chip);
-
- MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
-
- if (chip == ERR) {
- rc = ERR_PROG_ERROR;
- goto outahere;
- }
- if (chip == TMO) {
- rc = ERR_TIMOUT;
- goto outahere;
- }
-
- printf ("ok.\n");
- } else { /* it was protected */
-
- printf ("protected!\n");
- }
- }
-
- if (ctrlc ())
- printf ("User Interrupt!\n");
-
- outahere:
- /* allow flash to settle - wait 10 ms */
- udelay_masked (10000);
-
- if (iflag)
- enable_interrupts ();
-
- if (cflag)
- icache_enable ();
-
- return rc;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash
- */
-
-static int write_hword (flash_info_t * info, ulong dest, ushort data)
-{
- vu_short *addr = (vu_short *) dest;
- ushort result;
- int rc = ERR_OK;
- int cflag, iflag;
- int chip;
-
- /*
- * Check if Flash is (sufficiently) erased
- */
- result = *addr;
- if ((result & data) != data)
- return ERR_NOT_ERASED;
-
-
- /*
- * Disable interrupts which might cause a timeout
- * here. Remember that our exception vectors are
- * at address 0 in the flash, and we don't want a
- * (ticker) exception to happen while the flash
- * chip is in programming mode.
- */
- cflag = icache_status ();
- icache_disable ();
- iflag = disable_interrupts ();
-
- MEM_FLASH_ADDR1 = CMD_UNLOCK1;
- MEM_FLASH_ADDR2 = CMD_UNLOCK2;
- MEM_FLASH_ADDR1 = CMD_UNLOCK_BYPASS;
- *addr = CMD_PROGRAM;
- *addr = data;
-
- /* arm simple, non interrupt dependent timer */
- reset_timer_masked ();
-
- /* wait until flash is ready */
- chip = 0;
- do {
- result = *addr;
-
- /* check timeout */
- if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) {
- chip = ERR | TMO;
- break;
- }
- if (!chip && ((result & 0x80) == (data & 0x80)))
- chip = READY;
-
- if (!chip && ((result & 0xFFFF) & BIT_PROGRAM_ERROR)) {
- result = *addr;
-
- if ((result & 0x80) == (data & 0x80))
- chip = READY;
- else
- chip = ERR;
- }
-
- } while (!chip);
-
- *addr = CMD_READ_ARRAY;
-
- if (chip == ERR || *addr != data)
- rc = ERR_PROG_ERROR;
-
- if (iflag)
- enable_interrupts ();
-
- if (cflag)
- icache_enable ();
-
- return rc;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash.
- */
-
-int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
-{
- ulong cp, wp;
- int l;
- int i, rc;
- ushort data;
-
- wp = (addr & ~1); /* get lower word aligned address */
-
- /*
- * 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 << 8);
- }
- for (; i < 2 && cnt > 0; ++i) {
- data = (data >> 8) | (*src++ << 8);
- --cnt;
- ++cp;
- }
- for (; cnt == 0 && i < 2; ++i, ++cp) {
- data = (data >> 8) | (*(uchar *) cp << 8);
- }
-
- if ((rc = write_hword (info, wp, data)) != 0) {
- return (rc);
- }
- wp += 2;
- }
-
- /*
- * handle word aligned part
- */
- while (cnt >= 2) {
- data = *((vu_short *) src);
- if ((rc = write_hword (info, wp, data)) != 0) {
- return (rc);
- }
- src += 2;
- wp += 2;
- cnt -= 2;
- }
-
- if (cnt == 0) {
- return ERR_OK;
- }
-
- /*
- * handle unaligned tail bytes
- */
- data = 0;
- for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) {
- data = (data >> 8) | (*src++ << 8);
- --cnt;
- }
- for (; i < 2; ++i, ++cp) {
- data = (data >> 8) | (*(uchar *) cp << 8);
- }
-
- return write_hword (info, wp, data);
-}
+++ /dev/null
-/*
- * Memory Setup stuff - taken from blob memsetup.S
- *
- * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
- * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
- *
- * Modified for the Samsung SMDK2410 by
- * (C) Copyright 2002
- * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
- *
- * 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>
-
-
-/* some parameters for the board */
-
-/*
- *
- * Taken from linux/arch/arm/boot/compressed/head-s3c2410.S
- *
- * Copyright (C) 2002 Samsung Electronics SW.LEE <hitchcar@sec.samsung.com>
- *
- */
-
-#define BWSCON 0x48000000
-
-/* BWSCON */
-#define DW8 (0x0)
-#define DW16 (0x1)
-#define DW32 (0x2)
-#define WAIT (0x1<<2)
-#define UBLB (0x1<<3)
-
-#define B1_BWSCON (DW32)
-#define B2_BWSCON (DW16)
-#define B3_BWSCON (DW16 + WAIT + UBLB)
-#define B4_BWSCON (DW16)
-#define B5_BWSCON (DW16)
-#define B6_BWSCON (DW32)
-#define B7_BWSCON (DW32)
-
-/* BANK0CON */
-#define B0_Tacs 0x0 /* 0clk */
-#define B0_Tcos 0x0 /* 0clk */
-#define B0_Tacc 0x7 /* 14clk */
-#define B0_Tcoh 0x0 /* 0clk */
-#define B0_Tah 0x0 /* 0clk */
-#define B0_Tacp 0x0
-#define B0_PMC 0x0 /* normal */
-
-/* BANK1CON */
-#define B1_Tacs 0x0 /* 0clk */
-#define B1_Tcos 0x0 /* 0clk */
-#define B1_Tacc 0x7 /* 14clk */
-#define B1_Tcoh 0x0 /* 0clk */
-#define B1_Tah 0x0 /* 0clk */
-#define B1_Tacp 0x0
-#define B1_PMC 0x0
-
-#define B2_Tacs 0x0
-#define B2_Tcos 0x0
-#define B2_Tacc 0x7
-#define B2_Tcoh 0x0
-#define B2_Tah 0x0
-#define B2_Tacp 0x0
-#define B2_PMC 0x0
-
-#define B3_Tacs 0x0 /* 0clk */
-#define B3_Tcos 0x3 /* 4clk */
-#define B3_Tacc 0x7 /* 14clk */
-#define B3_Tcoh 0x1 /* 1clk */
-#define B3_Tah 0x0 /* 0clk */
-#define B3_Tacp 0x3 /* 6clk */
-#define B3_PMC 0x0 /* normal */
-
-#define B4_Tacs 0x0 /* 0clk */
-#define B4_Tcos 0x0 /* 0clk */
-#define B4_Tacc 0x7 /* 14clk */
-#define B4_Tcoh 0x0 /* 0clk */
-#define B4_Tah 0x0 /* 0clk */
-#define B4_Tacp 0x0
-#define B4_PMC 0x0 /* normal */
-
-#define B5_Tacs 0x0 /* 0clk */
-#define B5_Tcos 0x0 /* 0clk */
-#define B5_Tacc 0x7 /* 14clk */
-#define B5_Tcoh 0x0 /* 0clk */
-#define B5_Tah 0x0 /* 0clk */
-#define B5_Tacp 0x0
-#define B5_PMC 0x0 /* normal */
-
-#define B6_MT 0x3 /* SDRAM */
-#define B6_Trcd 0x1
-#define B6_SCAN 0x1 /* 9bit */
-
-#define B7_MT 0x3 /* SDRAM */
-#define B7_Trcd 0x1 /* 3clk */
-#define B7_SCAN 0x1 /* 9bit */
-
-/* REFRESH parameter */
-#define REFEN 0x1 /* Refresh enable */
-#define TREFMD 0x0 /* CBR(CAS before RAS)/Auto refresh */
-#define Trp 0x0 /* 2clk */
-#define Trc 0x3 /* 7clk */
-#define Tchr 0x2 /* 3clk */
-#define REFCNT 1113 /* period=15.6us, HCLK=60Mhz, (2048+1-15.6*60) */
-/**************************************/
-
-_TEXT_BASE:
- .word TEXT_BASE
-
-.globl lowlevel_init
-lowlevel_init:
- /* memory control configuration */
- /* make r0 relative the current location so that it */
- /* reads SMRDATA out of FLASH rather than memory ! */
- ldr r0, =SMRDATA
- ldr r1, _TEXT_BASE
- sub r0, r0, r1
- ldr r1, =BWSCON /* Bus Width Status Controller */
- add r2, r0, #13*4
-0:
- ldr r3, [r0], #4
- str r3, [r1], #4
- cmp r2, r0
- bne 0b
-
- /* everything is fine now */
- mov pc, lr
-
- .ltorg
-/* the literal pools origin */
-
-SMRDATA:
- .word (0+(B1_BWSCON<<4)+(B2_BWSCON<<8)+(B3_BWSCON<<12)+(B4_BWSCON<<16)+(B5_BWSCON<<20)+(B6_BWSCON<<24)+(B7_BWSCON<<28))
- .word ((B0_Tacs<<13)+(B0_Tcos<<11)+(B0_Tacc<<8)+(B0_Tcoh<<6)+(B0_Tah<<4)+(B0_Tacp<<2)+(B0_PMC))
- .word ((B1_Tacs<<13)+(B1_Tcos<<11)+(B1_Tacc<<8)+(B1_Tcoh<<6)+(B1_Tah<<4)+(B1_Tacp<<2)+(B1_PMC))
- .word ((B2_Tacs<<13)+(B2_Tcos<<11)+(B2_Tacc<<8)+(B2_Tcoh<<6)+(B2_Tah<<4)+(B2_Tacp<<2)+(B2_PMC))
- .word ((B3_Tacs<<13)+(B3_Tcos<<11)+(B3_Tacc<<8)+(B3_Tcoh<<6)+(B3_Tah<<4)+(B3_Tacp<<2)+(B3_PMC))
- .word ((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC))
- .word ((B5_Tacs<<13)+(B5_Tcos<<11)+(B5_Tacc<<8)+(B5_Tcoh<<6)+(B5_Tah<<4)+(B5_Tacp<<2)+(B5_PMC))
- .word ((B6_MT<<15)+(B6_Trcd<<2)+(B6_SCAN))
- .word ((B7_MT<<15)+(B7_Trcd<<2)+(B7_SCAN))
- .word ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT)
- .word 0x32
- .word 0x30
- .word 0x30
+++ /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>
- *
- * 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 <s3c2410.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define FCLK_SPEED 1
-
-#if FCLK_SPEED==0 /* Fout = 203MHz, Fin = 12MHz for Audio */
-#define M_MDIV 0xC3
-#define M_PDIV 0x4
-#define M_SDIV 0x1
-#elif FCLK_SPEED==1 /* Fout = 202.8MHz */
-#define M_MDIV 0xA1
-#define M_PDIV 0x3
-#define M_SDIV 0x1
-#endif
-
-#define USB_CLOCK 1
-
-#if USB_CLOCK==0
-#define U_M_MDIV 0xA1
-#define U_M_PDIV 0x3
-#define U_M_SDIV 0x1
-#elif USB_CLOCK==1
-#define U_M_MDIV 0x48
-#define U_M_PDIV 0x3
-#define U_M_SDIV 0x2
-#endif
-
-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)
-{
- S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
- S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
-
- /* to reduce PLL lock time, adjust the LOCKTIME register */
- clk_power->LOCKTIME = 0xFFFFFF;
-
- /* configure MPLL */
- clk_power->MPLLCON = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV);
-
- /* some delay between MPLL and UPLL */
- delay (4000);
-
- /* configure UPLL */
- clk_power->UPLLCON = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV);
-
- /* some delay between MPLL and UPLL */
- delay (8000);
-
- /* set up the I/O ports */
- gpio->GPACON = 0x007FFFFF;
- gpio->GPBCON = 0x00044555;
- gpio->GPBUP = 0x000007FF;
- gpio->GPCCON = 0xAAAAAAAA;
- gpio->GPCUP = 0x0000FFFF;
- gpio->GPDCON = 0xAAAAAAAA;
- gpio->GPDUP = 0x0000FFFF;
- gpio->GPECON = 0xAAAAAAAA;
- gpio->GPEUP = 0x0000FFFF;
- gpio->GPFCON = 0x000055AA;
- gpio->GPFUP = 0x000000FF;
- gpio->GPGCON = 0xFF95FFBA;
- gpio->GPGUP = 0x0000FFFF;
- gpio->GPHCON = 0x002AFAAA;
- gpio->GPHUP = 0x000007FF;
-
- /* arch number of SMDK2410-Board */
- gd->bd->bi_arch_number = MACH_TYPE_SMDK2410;
-
- /* adress of boot parameters */
- gd->bd->bi_boot_params = 0x30000100;
-
- icache_enable();
- dcache_enable();
-
- return 0;
-}
-
-int dram_init (void)
-{
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
-
- return 0;
-}
+++ /dev/null
-/*
- * (C) Copyright 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_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/
-OUTPUT_ARCH(arm)
-ENTRY(_start)
-SECTIONS
-{
- . = 0x00000000;
-
- . = ALIGN(4);
- .text :
- {
- cpu/arm920t/start.o (.text)
- *(.text)
- }
-
- . = ALIGN(4);
- .rodata : { *(.rodata) }
-
- . = ALIGN(4);
- .data : { *(.data) }
-
- . = ALIGN(4);
- .got : { *(.got) }
-
- . = .;
- __u_boot_cmd_start = .;
- .u_boot_cmd : { *(.u_boot_cmd) }
- __u_boot_cmd_end = .;
-
- . = ALIGN(4);
- __bss_start = .;
- .bss (NOLOAD) : { *(.bss) . = ALIGN(4); }
- _end = .;
-}
projects / oweals / u-boot.git / commitdiff