Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> Cc: George G. Davis <gdavis@mvista.com>master
Wolfgang Denk
13 years ago
parent
26e670ea43
commit
2c650e2010
@ -1,53 +0,0 @@ |
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#
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# (C) Copyright 2000-2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# 2003 (c) MontaVista Software, Inc.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk |
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LIB = $(obj)lib$(BOARD).o
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COBJS := gcplus.o flash.o
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SOBJS := lowlevel_init.o
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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SOBJS := $(addprefix $(obj),$(SOBJS))
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$(LIB): $(obj).depend $(OBJS) $(SOBJS) |
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$(call cmd_link_o_target, $(OBJS) $(SOBJS))
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clean: |
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rm -f $(SOBJS) $(OBJS)
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distclean: clean |
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rm -f $(LIB) core *.bak $(obj).depend
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk |
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sinclude $(obj).depend |
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#########################################################################
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@ -1,13 +0,0 @@ |
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#
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# ADS GCPlus board with SA1110 cpu
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#
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# The ADS GCPlus has 2 banks of 16 MiB SDRAM
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#
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# We use the ADS GCPlus Linux boot ROM to load U-Boot into SDRAM
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# at c020'0000 and then move ourself to c8f0'0000. Basically, just
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# install the U-Boot binary as you would the Linux zImage and then
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# reap the benfits of more convenient Linux development cycles, i.e.
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# bootp;tftp;bootm, repeat, etc.,.
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#
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CONFIG_SYS_TEXT_BASE = 0xc8f00000
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@ -1,438 +0,0 @@ |
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/*
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* (C) Copyright 2001 |
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* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net |
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* |
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* (C) Copyright 2001 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* |
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* 2003 (c) MontaVista Software, Inc. |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <common.h> |
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#include <linux/byteorder/swab.h> |
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flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ |
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/* Board support for 1 or 2 flash devices */ |
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#define FLASH_PORT_WIDTH32 |
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#undef FLASH_PORT_WIDTH16 |
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#ifdef FLASH_PORT_WIDTH16 |
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#define FLASH_PORT_WIDTH ushort |
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#define FLASH_PORT_WIDTHV vu_short |
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#define SWAP(x) __swab16(x) |
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#else |
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#define FLASH_PORT_WIDTH ulong |
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#define FLASH_PORT_WIDTHV vu_long |
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#define SWAP(x) __swab32(x) |
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#endif |
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#define FPW FLASH_PORT_WIDTH |
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#define FPWV FLASH_PORT_WIDTHV |
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#define mb() __asm__ __volatile__ ("" : : : "memory") |
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/*-----------------------------------------------------------------------
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* Functions |
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*/ |
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static ulong flash_get_size(FPW * addr, flash_info_t * info); |
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static int write_data(flash_info_t * info, ulong dest, FPW data); |
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static void flash_get_offsets(ulong base, flash_info_t * info); |
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void inline spin_wheel(void); |
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/*-----------------------------------------------------------------------
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*/ |
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unsigned long |
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flash_init(void) |
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{ |
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int i; |
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ulong size = 0; |
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for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { |
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switch (i) { |
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case 0: |
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flash_get_size((FPW *) PHYS_FLASH_1, &flash_info[i]); |
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flash_get_offsets(PHYS_FLASH_1, &flash_info[i]); |
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break; |
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default: |
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panic("configured too many flash banks!\n"); |
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break; |
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} |
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size += flash_info[i].size; |
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} |
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/* Protect monitor and environment sectors
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*/ |
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flash_protect(FLAG_PROTECT_SET, |
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CONFIG_SYS_FLASH_BASE, |
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CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1, &flash_info[0]); |
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flash_protect(FLAG_PROTECT_SET, |
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CONFIG_ENV_ADDR, |
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CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]); |
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return size; |
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} |
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/*-----------------------------------------------------------------------
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*/ |
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static void |
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flash_get_offsets(ulong base, flash_info_t * info) |
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{ |
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int i; |
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if (info->flash_id == FLASH_UNKNOWN) { |
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return; |
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} |
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if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { |
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for (i = 0; i < info->sector_count; i++) { |
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info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE); |
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info->protect[i] = 0; |
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} |
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} |
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} |
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/*-----------------------------------------------------------------------
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*/ |
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void |
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flash_print_info(flash_info_t * info) |
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{ |
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int i; |
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if (info->flash_id == FLASH_UNKNOWN) { |
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printf("missing or unknown FLASH type\n"); |
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return; |
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} |
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switch (info->flash_id & FLASH_VENDMASK) { |
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case FLASH_MAN_INTEL: |
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printf("INTEL "); |
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break; |
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default: |
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printf("Unknown Vendor "); |
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break; |
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} |
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switch (info->flash_id & FLASH_TYPEMASK) { |
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case FLASH_28F128J3A: |
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printf("28F128J3A\n"); |
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break; |
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case FLASH_28F640J5: |
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printf("28F640J5\n"); |
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break; |
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default: |
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printf("Unknown Chip Type\n"); |
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break; |
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} |
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printf(" Size: %ld MB in %d Sectors\n", |
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info->size >> 20, info->sector_count); |
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printf(" Sector Start Addresses:"); |
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for (i = 0; i < info->sector_count; ++i) { |
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if ((i % 5) == 0) |
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printf("\n "); |
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printf(" %08lX%s", |
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info->start[i], info->protect[i] ? " (RO)" : " "); |
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} |
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printf("\n"); |
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return; |
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} |
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/*
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* The following code cannot be run from FLASH! |
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*/ |
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static ulong |
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flash_get_size(FPW * addr, flash_info_t * info) |
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{ |
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volatile FPW value; |
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/* Write auto select command: read Manufacturer ID */ |
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addr[0x5555] = (FPW) 0x00AA00AA; |
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addr[0x2AAA] = (FPW) 0x00550055; |
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addr[0x5555] = (FPW) 0x00900090; |
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mb(); |
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value = addr[0]; |
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switch (value) { |
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case (FPW) INTEL_MANUFACT: |
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info->flash_id = FLASH_MAN_INTEL; |
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break; |
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default: |
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info->flash_id = FLASH_UNKNOWN; |
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info->sector_count = 0; |
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info->size = 0; |
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addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ |
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return (0); /* no or unknown flash */ |
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} |
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mb(); |
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value = addr[1]; /* device ID */ |
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switch (value) { |
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case (FPW) INTEL_ID_28F128J3A: |
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info->flash_id += FLASH_28F128J3A; |
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info->sector_count = 128; |
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info->size = 0x02000000; |
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break; /* => 16 MB */ |
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case (FPW) INTEL_ID_28F640J5: |
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info->flash_id += FLASH_28F640J5; |
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info->sector_count = 64; |
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info->size = 0x01000000; |
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break; /* => 16 MB */ |
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default: |
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info->flash_id = FLASH_UNKNOWN; |
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break; |
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} |
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if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { |
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printf("** ERROR: sector count %d > max (%d) **\n", |
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info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); |
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info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; |
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} |
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addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ |
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return (info->size); |
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} |
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/*-----------------------------------------------------------------------
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*/ |
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int |
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flash_erase(flash_info_t * info, int s_first, int s_last) |
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{ |
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int flag, prot, sect; |
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ulong type, start; |
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int rcode = 0; |
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if ((s_first < 0) || (s_first > s_last)) { |
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if (info->flash_id == FLASH_UNKNOWN) { |
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printf("- missing\n"); |
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} else { |
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printf("- no sectors to erase\n"); |
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} |
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return 1; |
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} |
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type = (info->flash_id & FLASH_VENDMASK); |
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if ((type != FLASH_MAN_INTEL)) { |
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printf("Can't erase unknown flash type %08lx - aborted\n", |
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info->flash_id); |
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return 1; |
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} |
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prot = 0; |
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for (sect = s_first; sect <= s_last; ++sect) { |
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if (info->protect[sect]) { |
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prot++; |
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} |
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} |
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if (prot) { |
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printf("- Warning: %d protected sectors will not be erased!\n", |
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prot); |
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} else { |
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printf("\n"); |
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} |
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/* Disable interrupts which might cause a timeout here */ |
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flag = disable_interrupts(); |
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/* Start erase on unprotected sectors */ |
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for (sect = s_first; sect <= s_last; sect++) { |
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if (info->protect[sect] == 0) { /* not protected */ |
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FPWV *addr = (FPWV *) (info->start[sect]); |
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FPW status; |
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printf("Erasing sector %2d ... ", sect); |
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/* arm simple, non interrupt dependent timer */ |
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start = get_timer(0); |
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*addr = (FPW) 0x00500050; /* clear status register */ |
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*addr = (FPW) 0x00200020; /* erase setup */ |
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*addr = (FPW) 0x00D000D0; /* erase confirm */ |
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while (((status = |
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*addr) & (FPW) 0x00800080) != |
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(FPW) 0x00800080) { |
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if (get_timer(start) > CONFIG_SYS_FLASH_ERASE_TOUT) { |
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printf("Timeout\n"); |
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*addr = (FPW) 0x00B000B0; /* suspend erase */ |
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*addr = (FPW) 0x00FF00FF; /* reset to read mode */ |
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rcode = 1; |
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break; |
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} |
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} |
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*addr = (FPW) 0x00500050; /* clear status register cmd. */ |
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*addr = (FPW) 0x00FF00FF; /* resest to read mode */ |
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printf(" done\n"); |
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} |
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} |
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return rcode; |
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} |
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/*-----------------------------------------------------------------------
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* Copy memory to flash, returns: |
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* 0 - OK |
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* 1 - write timeout |
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* 2 - Flash not erased |
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* 4 - Flash not identified |
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*/ |
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int |
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write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) |
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{ |
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ulong cp, wp; |
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FPW data; |
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int count, i, l, rc, port_width; |
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if (info->flash_id == FLASH_UNKNOWN) { |
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return 4; |
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} |
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/* get lower word aligned address */ |
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#ifdef FLASH_PORT_WIDTH16 |
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wp = (addr & ~1); |
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port_width = 2; |
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#else |
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wp = (addr & ~3); |
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port_width = 4; |
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#endif |
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/*
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* handle unaligned start bytes |
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*/ |
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if ((l = addr - wp) != 0) { |
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data = 0; |
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for (i = 0, cp = wp; i < l; ++i, ++cp) { |
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data = (data << 8) | (*(uchar *) cp); |
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} |
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for (; i < port_width && cnt > 0; ++i) { |
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data = (data << 8) | *src++; |
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--cnt; |
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++cp; |
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} |
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for (; cnt == 0 && i < port_width; ++i, ++cp) { |
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data = (data << 8) | (*(uchar *) cp); |
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} |
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if ((rc = write_data(info, wp, SWAP(data))) != 0) { |
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return (rc); |
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} |
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wp += port_width; |
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} |
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/*
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* handle word aligned part |
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*/ |
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count = 0; |
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while (cnt >= port_width) { |
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data = 0; |
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for (i = 0; i < port_width; ++i) { |
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data = (data << 8) | *src++; |
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} |
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if ((rc = write_data(info, wp, SWAP(data))) != 0) { |
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return (rc); |
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} |
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wp += port_width; |
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cnt -= port_width; |
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if (count++ > 0x800) { |
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spin_wheel(); |
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count = 0; |
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} |
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} |
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if (cnt == 0) { |
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return (0); |
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} |
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/*
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* handle unaligned tail bytes |
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*/ |
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data = 0; |
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for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { |
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data = (data << 8) | *src++; |
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--cnt; |
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} |
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for (; i < port_width; ++i, ++cp) { |
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data = (data << 8) | (*(uchar *) cp); |
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} |
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return (write_data(info, wp, SWAP(data))); |
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} |
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|
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/*-----------------------------------------------------------------------
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* Write a word or halfword to Flash, returns: |
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* 0 - OK |
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* 1 - write timeout |
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* 2 - Flash not erased |
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*/ |
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static int |
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write_data(flash_info_t * info, ulong dest, FPW data) |
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{ |
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FPWV *addr = (FPWV *) dest; |
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ulong status; |
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int flag; |
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ulong start; |
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/* Check if Flash is (sufficiently) erased */ |
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if ((*addr & data) != data) { |
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printf("not erased at %08lX (%lX)\n", (ulong) addr, *addr); |
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return (2); |
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} |
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/* Disable interrupts which might cause a timeout here */ |
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flag = disable_interrupts(); |
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*addr = (FPW) 0x00400040; /* write setup */ |
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*addr = data; |
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|
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/* arm simple, non interrupt dependent timer */ |
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start = get_timer(0); |
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|
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/* wait while polling the status register */ |
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while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { |
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if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { |
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*addr = (FPW) 0x00FF00FF; /* restore read mode */ |
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return (1); |
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} |
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} |
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*addr = (FPW) 0x00FF00FF; /* restore read mode */ |
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return (0); |
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} |
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void inline |
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spin_wheel(void) |
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{ |
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static int p = 0; |
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static char w[] = "\\/-"; |
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printf("\010%c", w[p]); |
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(++p == 3) ? (p = 0) : 0; |
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} |
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@ -1,82 +0,0 @@ |
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/*
|
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* (C) Copyright 2002 |
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* Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
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* Marius Groeger <mgroeger@sysgo.de> |
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* |
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* 2003-2004 (c) MontaVista Software, Inc. |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* 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. |
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* |
||||
* 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, |
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* MA 02111-1307 USA |
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*/ |
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|
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#include <common.h> |
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#include <netdev.h> |
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#include <SA-1100.h> |
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|
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DECLARE_GLOBAL_DATA_PTR; |
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|
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/*
|
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* Miscelaneous platform dependent initialisations |
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*/ |
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|
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int |
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board_init(void) |
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{ |
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gd->bd->bi_arch_number = MACH_TYPE_GRAPHICSCLIENT; |
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|
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gd->bd->bi_boot_params = 0xc000003c; /* Weird address? */ |
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|
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/* Most of the ADS GCPlus I/O is connected to Static nCS2.
|
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* So I'm brute forcing nCS2 timiming here for worst case. |
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*/ |
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MSC1 &= ~0xFFFF; |
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MSC1 |= 0x8649; |
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|
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/* Nothing is connected to Static nCS4 or nCS5. But I'm using
|
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* nCS4 as a paranoia safe guard to force nCS2, nOE; nWE high |
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* after accessing I/O via (non-VLIO) nCS2. What can I say, I'm |
||||
* paranoid and lack decent tools to alleviate my fear. I sure |
||||
* do wish I had a logic analyzer. : ( |
||||
*/ |
||||
|
||||
MSC2 = 0xfff9fff9; |
||||
|
||||
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; |
||||
gd->bd->bi_dram[1].start = PHYS_SDRAM_2; |
||||
gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE; |
||||
|
||||
return (0); |
||||
} |
||||
|
||||
#ifdef CONFIG_CMD_NET |
||||
int board_eth_init(bd_t *bis) |
||||
{ |
||||
int rc = 0; |
||||
#ifdef CONFIG_LAN91C96 |
||||
rc = lan91c96_initialize(0, CONFIG_LAN91C96_BASE); |
||||
#endif |
||||
return rc; |
||||
} |
||||
#endif |
||||
@ -1,77 +0,0 @@ |
||||
/* |
||||
* 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)
|
||||
* 2003-2004 (c) MontaVista Software, Inc. |
||||
* |
||||
* See file CREDITS for list of people who contributed to this |
||||
* project. |
||||
* |
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
||||
* MA 02111-1307 USA |
||||
*/ |
||||
|
||||
|
||||
#include "config.h" |
||||
#include "version.h" |
||||
|
||||
|
||||
.globl lowlevel_init
|
||||
lowlevel_init: |
||||
/* The ADS GC+ for Linux Boot Rom Ver. 1.73 does memory init for us. |
||||
* However the darn thing leaves the MMU enabled before handing control |
||||
* over to us. So we need to disable the MMU and we use lowlevel_init |
||||
* to do it. |
||||
*/ |
||||
|
||||
@ The following code segment was borrowed with gratitude from:
|
||||
@ linux-2.4.19-rmk7/arch/arm/boot/compressed/head-sa1100.S
|
||||
|
||||
@ Data cache might be active.
|
||||
@ Be sure to flush kernel binary out of the cache,
|
||||
@ whatever state it is, before it is turned off.
|
||||
@ This is done by fetching through currently executed
|
||||
@ memory to be sure we hit the same cache.
|
||||
bic r2, pc, #0x1f |
||||
add r3, r2, #0x4000 @ 16 kb is quite enough...
|
||||
1: ldr r0, [r2], #32 |
||||
teq r2, r3 |
||||
bne 1b |
||||
mcr p15, 0, r0, c7, c10, 4 @ drain WB
|
||||
mcr p15, 0, r0, c7, c7, 0 @ flush I & D caches
|
||||
|
||||
@ disabling MMU and caches
|
||||
mrc p15, 0, r0, c1, c0, 0 @ read control reg
|
||||
bic r0, r0, #0x0d @ clear WB, DC, MMU
|
||||
bic r0, r0, #0x1000 @ clear Icache
|
||||
mcr p15, 0, r0, c1, c0, 0 |
||||
|
||||
nop |
||||
nop |
||||
nop |
||||
nop |
||||
nop |
||||
|
||||
b 2f |
||||
2: |
||||
nop |
||||
nop |
||||
nop |
||||
nop |
||||
nop |
||||
|
||||
|
||||
mov pc, lr |
||||
@ -1,185 +0,0 @@ |
||||
/*
|
||||
* (C) Copyright 2002 |
||||
* Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
||||
* Marius Groeger <mgroeger@sysgo.de> |
||||
* |
||||
* 2003-2004 (c) MontaVista Software, Inc. |
||||
* |
||||
* Configuation settings for the ADS GraphicsClient+ 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 |
||||
|
||||
/*
|
||||
* The ADS GCPlus Linux boot ROM loads U-Boot into RAM at 0xc0200000. |
||||
* We don't actually init RAM in this case since we're using U-Boot as |
||||
* an secondary boot loader during Linux kernel development and testing, |
||||
* e.g. bootp/tftp download of the kernel is a far more convenient |
||||
* when testing new kernels on this target. However the ADS GCPlus Linux |
||||
* boot ROM leaves the MMU enabled when it passes control to U-Boot. So |
||||
* we use lowlevel_init (!CONFIG_SKIP_LOWLEVEL_INIT) to remedy that problem. |
||||
*/ |
||||
#undef CONFIG_SKIP_LOWLEVEL_INIT |
||||
|
||||
/*
|
||||
* High Level Configuration Options |
||||
* (easy to change) |
||||
*/ |
||||
#define CONFIG_SA1110 1 /* This is an SA1100 CPU */ |
||||
#define CONFIG_GCPLUS 1 /* on an ADS GCPlus 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 |
||||
|
||||
#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ |
||||
#define CONFIG_SETUP_MEMORY_TAGS 1 |
||||
#define CONFIG_INITRD_TAG 1 |
||||
|
||||
/*
|
||||
* Size of malloc() pool |
||||
*/ |
||||
#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024) |
||||
|
||||
|
||||
/*
|
||||
* Hardware drivers |
||||
*/ |
||||
#define CONFIG_NET_MULTI |
||||
#define CONFIG_LAN91C96 /* we have an SMC9194 on-board */ |
||||
#define CONFIG_LAN91C96_BASE 0x100e0000 |
||||
|
||||
/*
|
||||
* select serial console configuration |
||||
*/ |
||||
#define CONFIG_SA1100_SERIAL |
||||
#define CONFIG_SERIAL3 1 /* we use SERIAL 3 on ADS GCPlus */ |
||||
|
||||
/* allow to overwrite serial and ethaddr */ |
||||
#define CONFIG_ENV_OVERWRITE |
||||
|
||||
#define CONFIG_BAUDRATE 38400 |
||||
|
||||
|
||||
/*
|
||||
* Command line configuration. |
||||
*/ |
||||
#include <config_cmd_default.h> |
||||
|
||||
#define CONFIG_CMD_DHCP |
||||
|
||||
|
||||
/*
|
||||
* BOOTP options |
||||
*/ |
||||
#define CONFIG_BOOTP_SUBNETMASK |
||||
#define CONFIG_BOOTP_GATEWAY |
||||
#define CONFIG_BOOTP_HOSTNAME |
||||
#define CONFIG_BOOTP_BOOTPATH |
||||
|
||||
|
||||
#define CONFIG_BOOTDELAY 3 |
||||
#define CONFIG_BOOTARGS "console=ttySA0,38400n8 mtdparts=sa1100-flash:1m@0(zImage),3m@1m(ramdisk.gz),12m@4m(userfs) root=/dev/nfs ip=bootp" |
||||
#define CONFIG_BOOTCOMMAND "bootp;tftp;bootm" |
||||
#define CONFIG_SYS_AUTOLOAD "n" /* No autoload */ |
||||
|
||||
#if defined(CONFIG_CMD_KGDB) |
||||
#define CONFIG_KGDB_BAUDRATE 38400 /* 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 "ADS GCPlus # " /* 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 0xc0000000 /* default load address */ |
||||
|
||||
#define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ |
||||
#define CONFIG_SYS_CPUSPEED 0x0a /* set core clock to 206MHz */ |
||||
|
||||
/* 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 2 /* we have 2 banks of DRAM */ |
||||
#define PHYS_SDRAM_1 0xc0000000 /* SDRAM Bank #1 */ |
||||
#define PHYS_SDRAM_1_SIZE 0x01000000 /* 16 MB */ |
||||
#define PHYS_SDRAM_2 0xc8000000 /* SDRAM Bank #2 */ |
||||
#define PHYS_SDRAM_2_SIZE 0x01000000 /* 16 MB */ |
||||
|
||||
|
||||
#define PHYS_FLASH_1 0x08000000 /* Flash Bank #1 */ |
||||
#define PHYS_FLASH_SIZE 0x00800000 /* 8 MB */ |
||||
#define PHYS_FLASH_BANK_SIZE 0x01000000 /* 16 MB Banks */ |
||||
#define PHYS_FLASH_SECT_SIZE 0x00040000 /* 256 KB sectors (x2) */ |
||||
|
||||
#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1 |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* FLASH and environment organization |
||||
*/ |
||||
#if 1 |
||||
#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
||||
#define CONFIG_SYS_MAX_FLASH_SECT 128 /* 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 */ |
||||
#else |
||||
/* REVISIT: This doesn't work on ADS GCPlus just yet: */ |
||||
#define CONFIG_SYS_FLASH_CFI 1 /* flash is CFI conformant */ |
||||
#define CONFIG_FLASH_CFI_DRIVER 1 /* use common cfi driver */ |
||||
#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */ |
||||
#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max # of memory banks */ |
||||
#define CONFIG_SYS_FLASH_INCREMENT 0 /* there is only one bank */ |
||||
#define CONFIG_SYS_MAX_FLASH_SECT 128 /* max # of sectors on one chip */ |
||||
/*#define CONFIG_SYS_FLASH_PROTECTION 1 /--* hardware flash protection */ |
||||
#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE } |
||||
#endif |
||||
|
||||
#define CONFIG_ENV_IS_IN_FLASH 1 |
||||
#define CONFIG_ENV_ADDR (PHYS_FLASH_1 + PHYS_FLASH_SECT_SIZE) /* Addr of Environment Sector */ |
||||
#define CONFIG_ENV_SIZE PHYS_FLASH_SECT_SIZE |
||||
|
||||
#endif /* __CONFIG_H */ |
||||
Loading…
Reference in new issue