omap2420h4 ARM1136EJS
-Alex Züpke <azu@sysgo.de>
-
- lart SA1100
-
Syed Mohammed Khasim <sm.khasim@gmail.com>
Sughosh Ganu <urwithsughosh@gmail.com>
+++ /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).o
-
-COBJS := lart.o flash.o
-SOBJS := flashasm.o lowlevel_init.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
-SOBJS := $(addprefix $(obj),$(SOBJS))
-
-$(LIB): $(obj).depend $(OBJS) $(SOBJS)
- $(call cmd_link_o_target, $(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
-#
-# LART board with SA1100 cpu
-#
-# see http://www.lart.tudelft.nl/ for more information on LART
-#
-
-#
-# LART has 4 banks of 8 MB DRAM
-#
-# c000'0000
-# c100'0000
-# c800'0000
-# c900'0000
-#
-# Linux-Kernel is expected to be at c000'8000, entry c000'8000
-#
-# we load ourself to c178'0000, the upper 1 MB of second bank
-#
-# download areas is c800'0000
-#
-
-
-CONFIG_SYS_TEXT_BASE = 0xc1780000
+++ /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 <common.h>
-
-ulong myflush(void);
-
-
-#define FLASH_BANK_SIZE 0x800000
-#define MAIN_SECT_SIZE 0x20000
-#define PARAM_SECT_SIZE 0x4000
-
-/* puzzle magic for lart
- * data_*_flash are def'd in flashasm.S
- */
-
-extern u32 data_from_flash(u32);
-extern u32 data_to_flash(u32);
-
-#define PUZZLE_FROM_FLASH(x) data_from_flash((x))
-#define PUZZLE_TO_FLASH(x) data_to_flash((x))
-
-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_28F160F3B & 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 = PHYS_FLASH_1;
- else
- panic("configured too many flash banks!\n");
- for (j = 0; j < flash_info[i].sector_count; j++)
- {
- if (j <= 7)
- {
- flash_info[i].start[j] = flashbase + j * PARAM_SECT_SIZE;
- }
- else
- {
- flash_info[i].start[j] = flashbase + (j - 7)*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]);
-
- 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_28F160F3B & FLASH_TYPEMASK):
- printf("2x 28F160F3B (16Mbit)\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)
- {
- printf ("Timeout\n");
- return ERR_TIMOUT;
- }
-
- /* check Busy, SR.7 */
- if (~code & BIT_BUSY)
- {
- printf ("Busy\n");
- return ERR_PROG_ERROR;
- }
-
- /* check Vpp low, SR.3 */
- if (code & BIT_VPP_RANGE_ERROR)
- {
- printf ("Vpp range error\n");
- return ERR_PROG_ERROR;
- }
-
- /* check Device Protect Error, SR.1 */
- if (code & BIT_PROTECT_ERROR)
- {
- printf ("Device protect error\n");
- return ERR_PROG_ERROR;
- }
-
- /* check Command Seq Error, SR.4 & SR.5 */
- if (code & BIT_SEQUENCE_ERROR)
- {
- printf ("Command seqence error\n");
- return ERR_PROG_ERROR;
- }
-
- /* check Block Erase Error, SR.5 */
- if (code & BIT_ERASE_ERROR)
- {
- printf ("Block erase error\n");
- return ERR_PROG_ERROR;
- }
-
- /* check Program Error, SR.4 */
- if (code & BIT_PROGRAM_ERROR)
- {
- printf ("Program error\n");
- return ERR_PROG_ERROR;
- }
-
- /* check Block Erase Suspended, SR.6 */
- if (code & BIT_ERASE_SUSPEND)
- {
- printf ("Block erase suspended\n");
- return ERR_PROG_ERROR;
- }
-
- /* check Program Suspended, SR.2 */
- if (code & BIT_PROGRAM_SUSPEND)
- {
- printf ("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;
- int iflag, cflag, prot, sect;
- int rc = ERR_OK;
- ulong start;
-
- /* 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)
- 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 */
- start = get_timer(0);
-
- if (info->protect[sect] == 0)
- { /* not protected */
- vu_long *addr = (vu_long *)(info->start[sect]);
-
- *addr = PUZZLE_TO_FLASH(CMD_STATUS_RESET);
- *addr = PUZZLE_TO_FLASH(CMD_ERASE_SETUP);
- *addr = PUZZLE_TO_FLASH(CMD_ERASE_CONFIRM);
-
- /* wait until flash is ready */
- do
- {
- /* check timeout */
- if (get_timer(start) > CONFIG_SYS_FLASH_ERASE_TOUT)
- {
- *addr = PUZZLE_TO_FLASH(CMD_SUSPEND);
- result = BIT_TIMEOUT;
- break;
- }
-
- result = PUZZLE_FROM_FLASH(*addr);
- } while (~result & BIT_BUSY);
-
- *addr = PUZZLE_TO_FLASH(CMD_READ_ARRAY);
-
- if ((rc = flash_error(result)) != ERR_OK)
- 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_word (flash_info_t *info, ulong dest, ulong data)
-{
- vu_long *addr = (vu_long *)dest;
- ulong result;
- int rc = ERR_OK;
- int cflag, iflag;
- ulong start;
-
- /* Check if Flash is (sufficiently) erased
- */
- result = PUZZLE_FROM_FLASH(*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();
-
- *addr = PUZZLE_TO_FLASH(CMD_STATUS_RESET);
- *addr = PUZZLE_TO_FLASH(CMD_PROGRAM);
- *addr = data;
-
- /* arm simple, non interrupt dependent timer */
- start = get_timer(0);
-
- /* wait until flash is ready */
- do
- {
- /* check timeout */
- if (get_timer(start) > CONFIG_SYS_FLASH_ERASE_TOUT)
- {
- *addr = PUZZLE_TO_FLASH(CMD_SUSPEND);
- result = BIT_TIMEOUT;
- break;
- }
-
- result = PUZZLE_FROM_FLASH(*addr);
- } while (~result & BIT_BUSY);
-
- *addr = PUZZLE_TO_FLASH(CMD_READ_ARRAY);
-
- rc = flash_error(result);
-
- 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, 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
-/*
- * flashasm.S: flash magic for LART
- *
- * Copyright (C) 1999 2000 2001 Jan-Derk bakker (J.D.Bakker@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
- *
- */
-
-.text
-
-
-.globl data_to_flash
-.globl data_from_flash
- /* Subroutine that takes data in r0 and formats it so it will be in */
- /* the correct order for the internal flash */
- /* used for LART only */
-data_to_flash:
- mov r1, #0x0
-
- tst r0, #0x00000001
- orrne r1, r1, #0x00001000
- tst r0, #0x00000002
- orrne r1, r1, #0x00004000
- tst r0, #0x00000004
- orrne r1, r1, #0x00000800
- tst r0, #0x00000008
- orrne r1, r1, #0x00000200
- tst r0, #0x00000010
- orrne r1, r1, #0x00000001
- tst r0, #0x00000020
- orrne r1, r1, #0x00000004
- tst r0, #0x00000040
- orrne r1, r1, #0x00000080
- tst r0, #0x00000080
- orrne r1, r1, #0x00000020
-
- tst r0, #0x00000100
- orrne r1, r1, #0x00002000
- tst r0, #0x00000200
- orrne r1, r1, #0x00008000
- tst r0, #0x00000400
- orrne r1, r1, #0x00000400
- tst r0, #0x00000800
- orrne r1, r1, #0x00000100
- tst r0, #0x00001000
- orrne r1, r1, #0x00000002
- tst r0, #0x00002000
- orrne r1, r1, #0x00000008
- tst r0, #0x00004000
- orrne r1, r1, #0x00000040
- tst r0, #0x00008000
- orrne r1, r1, #0x00000010
-
- tst r0, #0x00010000
- orrne r1, r1, #0x00100000
- tst r0, #0x00020000
- orrne r1, r1, #0x00400000
- tst r0, #0x00040000
- orrne r1, r1, #0x00080000
- tst r0, #0x00080000
- orrne r1, r1, #0x00020000
- tst r0, #0x00100000
- orrne r1, r1, #0x01000000
- tst r0, #0x00200000
- orrne r1, r1, #0x04000000
- tst r0, #0x00400000
- orrne r1, r1, #0x80000000
- tst r0, #0x00800000
- orrne r1, r1, #0x20000000
-
- tst r0, #0x01000000
- orrne r1, r1, #0x00200000
- tst r0, #0x02000000
- orrne r1, r1, #0x00800000
- tst r0, #0x04000000
- orrne r1, r1, #0x00040000
- tst r0, #0x08000000
- orrne r1, r1, #0x00010000
- tst r0, #0x10000000
- orrne r1, r1, #0x02000000
- tst r0, #0x20000000
- orrne r1, r1, #0x08000000
- tst r0, #0x40000000
- orrne r1, r1, #0x40000000
- tst r0, #0x80000000
- orrne r1, r1, #0x10000000
-
- mov r0, r1
- mov pc, lr
-
- /* Takes data received from the flash, and unshuffles it. */
-data_from_flash:
- mov r1, #0x00
-
- tst r0, #0x00000001
- orrne r1, r1, #0x00000010
- tst r0, #0x00000002
- orrne r1, r1, #0x00001000
- tst r0, #0x00000004
- orrne r1, r1, #0x00000020
- tst r0, #0x00000008
- orrne r1, r1, #0x00002000
- tst r0, #0x00000010
- orrne r1, r1, #0x00008000
- tst r0, #0x00000020
- orrne r1, r1, #0x00000080
- tst r0, #0x00000040
- orrne r1, r1, #0x00004000
- tst r0, #0x00000080
- orrne r1, r1, #0x00000040
-
- tst r0, #0x00000100
- orrne r1, r1, #0x00000800
- tst r0, #0x00000200
- orrne r1, r1, #0x00000008
- tst r0, #0x00000400
- orrne r1, r1, #0x00000400
- tst r0, #0x00000800
- orrne r1, r1, #0x00000004
- tst r0, #0x00001000
- orrne r1, r1, #0x00000001
- tst r0, #0x00002000
- orrne r1, r1, #0x00000100
- tst r0, #0x00004000
- orrne r1, r1, #0x00000002
- tst r0, #0x00008000
- orrne r1, r1, #0x00000200
-
- tst r0, #0x00010000
- orrne r1, r1, #0x08000000
- tst r0, #0x00020000
- orrne r1, r1, #0x00080000
- tst r0, #0x00040000
- orrne r1, r1, #0x04000000
- tst r0, #0x00080000
- orrne r1, r1, #0x00040000
- tst r0, #0x00100000
- orrne r1, r1, #0x00010000
- tst r0, #0x00200000
- orrne r1, r1, #0x01000000
- tst r0, #0x00400000
- orrne r1, r1, #0x00020000
- tst r0, #0x00800000
- orrne r1, r1, #0x02000000
-
- tst r0, #0x01000000
- orrne r1, r1, #0x00100000
- tst r0, #0x02000000
- orrne r1, r1, #0x10000000
- tst r0, #0x04000000
- orrne r1, r1, #0x00200000
- tst r0, #0x08000000
- orrne r1, r1, #0x20000000
- tst r0, #0x10000000
- orrne r1, r1, #0x80000000
- tst r0, #0x20000000
- orrne r1, r1, #0x00800000
- tst r0, #0x40000000
- orrne r1, r1, #0x40000000
- tst r0, #0x80000000
- orrne r1, r1, #0x00400000
-
- mov r0, r1
- mov pc, lr
+++ /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 <common.h>
-#include <netdev.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/* ------------------------------------------------------------------------- */
-
-
-/*
- * Miscelaneous platform dependent initialisations
- */
-
-int board_init (void)
-{
- /* memory and cpu-speed are setup before relocation */
- /* so we do _nothing_ here */
-
- /* arch number of LART-Board */
- gd->bd->bi_arch_number = MACH_TYPE_LART;
-
- /* adress of boot parameters */
- gd->bd->bi_boot_params = 0xc0000100;
-
- return 0;
-}
-
-int dram_init (void)
-{
- bd_t *bd = gd->bd;
-
- bd->bi_dram[0].start = PHYS_SDRAM_1;
- bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
- bd->bi_dram[1].start = PHYS_SDRAM_2;
- bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
- bd->bi_dram[2].start = PHYS_SDRAM_3;
- bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
- bd->bi_dram[3].start = PHYS_SDRAM_4;
- bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
-
- return (0);
-}
-
-#ifdef CONFIG_CMD_NET
-int board_eth_init(bd_t *bis)
-{
- int rc = 0;
-#ifdef CONFIG_CS8900
- rc = cs8900_initialize(0, CONFIG_CS8900_BASE);
-#endif
- return rc;
-}
-#endif
+++ /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)
- *
- * 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 */
-
-MEM_BASE: .long 0xa0000000
-MEM_START: .long 0xc0000000
-
-#define MDCNFG 0x00
-#define MDCAS0 0x04
-#define MDCAS1 0x08
-#define MDCAS2 0x0c
-#define MSC0 0x10
-#define MSC1 0x14
-#define MECR 0x18
-
-mdcas0: .long 0xc71c703f
-mdcas1: .long 0xffc71c71
-mdcas2: .long 0xffffffff
-/* mdcnfg: .long 0x0bb2bcbf */
-mdcnfg: .long 0x0334b22f @ alt
-/* mcs0: .long 0xfff8fff8 */
-msc0: .long 0xad8c4888 @ alt
-mecr: .long 0x00060006
-/* mecr: .long 0x994a994a @ alt */
-
-/* setting up the memory */
-
-.globl lowlevel_init
-lowlevel_init:
- ldr r0, MEM_BASE
-
- /* Setup the flash memory */
- ldr r1, msc0
- str r1, [r0, #MSC0]
-
- /* Set up the DRAM */
-
- /* MDCAS0 */
- ldr r1, mdcas0
- str r1, [r0, #MDCAS0]
-
- /* MDCAS1 */
- ldr r1, mdcas1
- str r1, [r0, #MDCAS1]
-
- /* MDCAS2 */
- ldr r1, mdcas2
- str r1, [r0, #MDCAS2]
-
- /* MDCNFG */
- ldr r1, mdcnfg
- str r1, [r0, #MDCNFG]
-
- /* Set up PCMCIA space */
- ldr r1, mecr
- str r1, [r0, #MECR]
-
- /* Load something to activate bank */
- ldr r1, MEM_START
-
-.rept 8
- ldr r0, [r1]
-.endr
-
- /* everything is fine now */
- mov pc, lr
zipitz2 arm pxa
zylonite arm pxa
jornada arm sa1100
-lart arm sa1100
shannon arm sa1100
atngw100 avr32 at32ap - atmel at32ap700x
atstk1002 avr32 at32ap atstk1000 atmel at32ap700x
Board Arch CPU removed Commit last known maintainer/contact
=============================================================================
+lart arm sa1100 - 2011-09-05 Alex Züpke <azu@sysgo.de>
impa7 arm arm720t - 2011-09-05 Marius Gröger <mag@sysgo.de>
gcplus arm sa1100 - 2011-09-05 George G. Davis <gdavis@mvista.com>
evb4510 arm arm720t - 2011-09-05 Curt Brune <curt@cucy.com>
+++ /dev/null
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * Configuation settings for the LART 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
-
-/*
- * High Level Configuration Options
- * (easy to change)
- */
-#define CONFIG_SA1100 1 /* This is an SA1100 CPU */
-#define CONFIG_LART 1 /* on an LART Board */
-
-#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
-/* we will never enable dcache, because we have to setup MMU first */
-#define CONFIG_SYS_DCACHE_OFF
-
-/*
- * Size of malloc() pool
- */
-#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024)
-
-/*
- * Hardware drivers
- */
-#define CONFIG_NET_MULTI
-#define CONFIG_CS8900 /* we have a CS8900 on-board */
-#define CONFIG_CS8900_BASE 0x20008300
-#define CONFIG_CS8900_BUS16
-
-/*
- * select serial console configuration
- */
-#define CONFIG_SA1100_SERIAL
-#define CONFIG_SERIAL3 1 /* we use SERIAL 3 on LART */
-
-/* allow to overwrite serial and ethaddr */
-#define CONFIG_ENV_OVERWRITE
-
-#define CONFIG_BAUDRATE 9600
-
-
-/*
- * BOOTP options
- */
-#define CONFIG_BOOTP_BOOTFILESIZE
-#define CONFIG_BOOTP_BOOTPATH
-#define CONFIG_BOOTP_GATEWAY
-#define CONFIG_BOOTP_HOSTNAME
-
-
-/*
- * Command line configuration.
- */
-#include <config_cmd_default.h>
-
-
-#define CONFIG_BOOTDELAY 3
-#define CONFIG_BOOTARGS "root=ramfs devfs=mount console=ttySA0,9600"
-#define CONFIG_ETHADDR 08:00:3e:26:0a:5b
-#define CONFIG_NETMASK 255.255.0.0
-#define CONFIG_IPADDR 172.22.2.131
-#define CONFIG_SERVERIP 172.22.2.126
-#define CONFIG_BOOTFILE "elinos-lart"
-#define CONFIG_BOOTCOMMAND "tftp; bootm"
-
-#if defined(CONFIG_CMD_KGDB)
-#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
-#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
-#endif
-
-/*
- * Miscellaneous configurable options
- */
-#define CONFIG_SYS_LONGHELP /* undef to save memory */
-#define CONFIG_SYS_PROMPT "LART # " /* Monitor Command Prompt */
-#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
-#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
-#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
-#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
-
-#define CONFIG_SYS_MEMTEST_START 0xc0400000 /* memtest works on */
-#define CONFIG_SYS_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */
-
-#define CONFIG_SYS_LOAD_ADDR 0xc8000000 /* default load address */
-
-#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */
-#define CONFIG_SYS_CPUSPEED 0x0b /* set core clock to 220 MHz */
-
- /* valid baudrates */
-#define CONFIG_SYS_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 4 /* we have 2 banks of DRAM */
-#define PHYS_SDRAM_1 0xc0000000 /* SDRAM Bank #1 */
-#define PHYS_SDRAM_1_SIZE 0x00800000 /* 8 MB */
-#define PHYS_SDRAM_2 0xc1000000 /* SDRAM Bank #2 */
-#define PHYS_SDRAM_2_SIZE 0x00800000 /* 8 MB */
-#define PHYS_SDRAM_3 0xc8000000 /* SDRAM Bank #3 */
-#define PHYS_SDRAM_3_SIZE 0x00800000 /* 8 MB */
-#define PHYS_SDRAM_4 0xc9000000 /* SDRAM Bank #4 */
-#define PHYS_SDRAM_4_SIZE 0x00800000 /* 8 MB */
-
-
-#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
-#define PHYS_FLASH_SIZE 0x00400000 /* 4 MB */
-
-#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1
-
-/*-----------------------------------------------------------------------
- * FLASH and environment organization
- */
-#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
-#define CONFIG_SYS_MAX_FLASH_SECT (31+8) /* max number of sectors on one chip */
-
-/* timeout values are in ticks */
-#define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Erase */
-#define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Write */
-
-#define CONFIG_ENV_IS_IN_FLASH 1
-#define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0x1C000) /* Addr of Environment Sector */
-#define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
-
-#endif /* __CONFIG_H */
projects / u-boot.git / commitdiff