Wolfgang Denk
17 years ago
commit
d1246a4bb1
@ -0,0 +1,51 @@ |
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#
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# (C) Copyright 2007
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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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).a
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COBJS := flash.o smn42.o
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SOBJTS := lowlevel_init.o
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SRCS := $(SOBJTS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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SOBJS := $(addprefix $(obj),$(SOBJTS))
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$(LIB): $(obj).depend $(OBJS) $(SOBJS) |
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$(AR) crv $@ $(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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@ -0,0 +1,30 @@ |
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#
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# (C) Copyright 2000
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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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# (C) Copyright 2000
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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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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#address where u-boot will be relocated
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#TEXT_BASE = 0x0
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TEXT_BASE = 0x81500000
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@ -0,0 +1,476 @@ |
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/*
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* (C) Copyright 2006 Embedded Artists AB <www.embeddedartists.com> |
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* |
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* (C) Copyright 2007 Gary Jennejohn garyj@denx.de |
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* Modified to use the routines in cpu/arm720t/lpc2292/flash.c. |
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* Heavily modified to support the SMN42 board from Siemens |
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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 <asm/byteorder.h> |
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#include <asm/arch/hardware.h> |
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static unsigned long flash_addr_table[CFG_MAX_FLASH_BANKS]
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= CFG_FLASH_BANKS_LIST; |
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flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; |
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extern int lpc2292_copy_buffer_to_flash(flash_info_t *, ulong); |
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extern int lpc2292_flash_erase(flash_info_t *, int, int); |
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extern int lpc2292_write_buff (flash_info_t *, uchar *, ulong, ulong); |
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static unsigned long ext_flash_init(void); |
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static int ext_flash_erase(flash_info_t *, int, int); |
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static int ext_write_buff(flash_info_t *, uchar *, ulong, ulong); |
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/*-----------------------------------------------------------------------
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*/ |
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ulong flash_init (void) |
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{ |
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int j, k; |
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ulong size = 0; |
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ulong flashbase = 0; |
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flash_info[0].flash_id = PHILIPS_LPC2292; |
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flash_info[0].size = 0x003E000; /* 256 - 8 KB */ |
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flash_info[0].sector_count = 17; |
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memset (flash_info[0].protect, 0, 17); |
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flashbase = 0x00000000; |
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for (j = 0, k = 0; j < 8; j++, k++) { |
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flash_info[0].start[k] = flashbase; |
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flashbase += 0x00002000; |
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} |
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for (j = 0; j < 2; j++, k++) { |
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flash_info[0].start[k] = flashbase; |
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flashbase += 0x00010000; |
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} |
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for (j = 0; j < 7; j++, k++) { |
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flash_info[0].start[k] = flashbase; |
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flashbase += 0x00002000; |
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} |
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size += flash_info[0].size; |
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/* Protect monitor and environment sectors */ |
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flash_protect (FLAG_PROTECT_SET, |
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0x0, |
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0x0 + monitor_flash_len - 1, |
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&flash_info[0]); |
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flash_protect (FLAG_PROTECT_SET, |
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CFG_ENV_ADDR, |
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CFG_ENV_ADDR + CFG_ENV_SIZE - 1, |
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&flash_info[0]); |
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size += ext_flash_init(); |
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return size; |
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} |
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/*-----------------------------------------------------------------------
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*/ |
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void flash_print_info (flash_info_t * info) |
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{ |
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int i; |
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int erased = 0; |
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unsigned long j; |
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unsigned long count; |
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unsigned char *p; |
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switch (info->flash_id & FLASH_VENDMASK) { |
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case (PHILIPS_LPC2292 & FLASH_VENDMASK): |
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printf("Philips: "); |
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break; |
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case FLASH_MAN_AMD: |
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printf("AMD: "); |
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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 (PHILIPS_LPC2292 & FLASH_TYPEMASK): |
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printf("LPC2292 internal flash\n"); |
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break; |
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case FLASH_S29GL128N: |
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printf ("S29GL128N (128 Mbit, uniform sector size)\n"); |
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break; |
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default: |
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printf("Unknown Chip Type\n"); |
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return; |
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} |
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printf (" Size: %ld KB in %d Sectors\n", |
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info->size >> 10, 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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} |
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if (i < (info->sector_count - 1)) { |
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count = info->start[i+1] - info->start[i]; |
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} |
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else { |
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count = info->start[0] + info->size - info->start[i]; |
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} |
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p = (unsigned char*)(info->start[i]); |
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erased = 1; |
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for (j = 0; j < count; j++) { |
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if (*p != 0xFF) { |
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erased = 0; |
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break; |
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} |
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p++; |
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} |
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printf (" %08lX%s%s", info->start[i], info->protect[i] ? " RO" : " ", |
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erased ? " E" : " "); |
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} |
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printf ("\n"); |
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} |
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int flash_erase (flash_info_t * info, int s_first, int s_last) |
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{ |
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switch (info->flash_id & FLASH_TYPEMASK) { |
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case (PHILIPS_LPC2292 & FLASH_TYPEMASK): |
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return lpc2292_flash_erase(info, s_first, s_last); |
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case FLASH_S29GL128N: |
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return ext_flash_erase(info, s_first, s_last); |
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default: |
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return ERR_PROTECTED; |
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} |
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return ERR_PROTECTED; |
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} |
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int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) |
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{ |
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switch (info->flash_id & FLASH_TYPEMASK) { |
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case (PHILIPS_LPC2292 & FLASH_TYPEMASK): |
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return lpc2292_write_buff(info, src, addr, cnt); |
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case FLASH_S29GL128N: |
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return ext_write_buff(info, src, addr, cnt); |
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default: |
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return ERR_PROG_ERROR; |
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} |
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return ERR_PROG_ERROR; |
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} |
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/*--------------------------------------------------------------------------
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* From here on is code for the external S29GL128N taken from cam5200_flash.c |
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*/ |
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#define CFG_FLASH_WORD_SIZE unsigned short |
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static int wait_for_DQ7_32(flash_info_t * info, int sect) |
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{ |
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ulong start, now, last; |
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volatile CFG_FLASH_WORD_SIZE *addr = |
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(CFG_FLASH_WORD_SIZE *) (info->start[sect]); |
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start = get_timer(0); |
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last = start; |
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while ((addr[0] & (CFG_FLASH_WORD_SIZE) 0x00800080) != |
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(CFG_FLASH_WORD_SIZE) 0x00800080) { |
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if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { |
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printf("Timeout\n"); |
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return -1; |
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} |
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/* show that we're waiting */ |
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if ((now - last) > 1000) { /* every second */ |
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putc('.'); |
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last = now; |
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} |
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} |
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return 0; |
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} |
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int ext_flash_erase(flash_info_t * info, int s_first, int s_last) |
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{ |
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volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]); |
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volatile CFG_FLASH_WORD_SIZE *addr2; |
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int flag, prot, sect, l_sect, ret; |
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ret = 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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return 1; |
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} |
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if (info->flash_id == FLASH_UNKNOWN) { |
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printf("Can't erase unknown flash type - aborted\n"); |
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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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if (prot) |
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printf("- Warning: %d protected sectors will not be erased!", prot); |
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printf("\n"); |
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l_sect = -1; |
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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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addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[sect]); |
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addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; |
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addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; |
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addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080; |
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addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; |
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addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; |
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addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00300030; /* sector erase */ |
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l_sect = sect; |
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/*
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* Wait for each sector to complete, it's more |
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* reliable. According to AMD Spec, you must |
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* issue all erase commands within a specified |
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* timeout. This has been seen to fail, especially |
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* if printf()s are included (for debug)!! |
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*/ |
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ret = wait_for_DQ7_32(info, sect); |
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if (ret) { |
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ret = ERR_PROTECTED; |
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break; |
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} |
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} |
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} |
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|
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/* re-enable interrupts if necessary */ |
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if (flag) |
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enable_interrupts(); |
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/* wait at least 80us - let's wait 1 ms */ |
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udelay(1000); |
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/* reset to read mode */ |
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addr = (CFG_FLASH_WORD_SIZE *) info->start[0]; |
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addr[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */ |
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if (ret) |
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printf(" error\n"); |
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else |
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printf(" done\n"); |
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return ret; |
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} |
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static ulong flash_get_size(vu_long * addr, flash_info_t * info) |
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{ |
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short i; |
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CFG_FLASH_WORD_SIZE value; |
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ulong base = (ulong) addr; |
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volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr; |
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/* Write auto select command: read Manufacturer ID */ |
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addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; |
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addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; |
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addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00900090; |
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udelay(1000); |
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value = addr2[0]; |
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switch (value) { |
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case (CFG_FLASH_WORD_SIZE) AMD_MANUFACT: |
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info->flash_id = FLASH_MAN_AMD; |
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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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return (0); /* no or unknown flash */ |
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} |
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value = addr2[1]; /* device ID */ |
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switch (value) { |
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case (CFG_FLASH_WORD_SIZE)AMD_ID_MIRROR: |
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value = addr2[14]; |
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switch(value) { |
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case (CFG_FLASH_WORD_SIZE)AMD_ID_GL128N_2: |
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value = addr2[15]; |
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if (value != (CFG_FLASH_WORD_SIZE)AMD_ID_GL128N_3) { |
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info->flash_id = FLASH_UNKNOWN; |
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} else { |
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info->flash_id += FLASH_S29GL128N; |
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info->sector_count = 128; |
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info->size = 0x01000000; |
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} |
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break; |
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default: |
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info->flash_id = FLASH_UNKNOWN; |
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return(0); |
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} |
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break; |
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|
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default: |
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info->flash_id = FLASH_UNKNOWN; |
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return (0); /* => no or unknown flash */ |
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} |
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|
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/* set up sector start address table */ |
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for (i = 0; i < info->sector_count; i++) |
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info->start[i] = base + (i * 0x00020000); |
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|
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/* check for protected sectors */ |
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for (i = 0; i < info->sector_count; i++) { |
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/* read sector protection at sector address, (A7 .. A0) = 0x02 */ |
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/* D0 = 1 if protected */ |
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addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]); |
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info->protect[i] = addr2[2] & 1; |
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} |
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|
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/* issue bank reset to return to read mode */ |
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addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0; |
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return (info->size); |
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} |
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|
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static unsigned long ext_flash_init(void) |
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{ |
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unsigned long total_b = 0; |
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unsigned long size_b[CFG_MAX_FLASH_BANKS]; |
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int i; |
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|
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/* Init: no FLASHes known */ |
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for (i = 1; i < CFG_MAX_FLASH_BANKS; ++i) { |
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flash_info[i].flash_id = FLASH_UNKNOWN; |
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flash_info[i].sector_count = -1; |
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flash_info[i].size = 0; |
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|
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/* call flash_get_size() to initialize sector address */ |
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size_b[i] = flash_get_size((vu_long *) flash_addr_table[i], |
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&flash_info[i]); |
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flash_info[i].size = size_b[i]; |
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|
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if (flash_info[i].flash_id == FLASH_UNKNOWN) { |
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printf("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n", |
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i+1, size_b[i], size_b[i] << 20); |
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flash_info[i].sector_count = -1; |
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flash_info[i].size = 0; |
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} |
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|
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total_b += flash_info[i].size; |
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} |
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|
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return total_b; |
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} |
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|
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static int write_word(flash_info_t * info, ulong dest, ushort data) |
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{ |
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volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]); |
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volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest; |
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volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *) &data; |
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ulong start; |
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int flag; |
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|
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/* Check if Flash is (sufficiently) erased */ |
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if ((*dest2 & *data2) != *data2) { |
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return (2); |
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} |
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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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|
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addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; |
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addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; |
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addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00A000A0; |
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*dest2 = *data2; |
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|
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/* re-enable interrupts if necessary */ |
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if (flag) |
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enable_interrupts(); |
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|
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/* data polling for D7 */ |
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start = get_timer(0); |
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while ((*dest2 & (CFG_FLASH_WORD_SIZE) 0x00800080) != |
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(*data2 & (CFG_FLASH_WORD_SIZE) 0x00800080)) { |
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|
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if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { |
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printf("WRITE_TOUT\n"); |
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return (1); |
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} |
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} |
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return (0); |
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} |
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|
||||
/*-----------------------------------------------------------------------
|
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* This is taken from the original flash.c for the LPC2292 SODIMM board |
||||
* and modified to suit. |
||||
*/ |
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|
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int ext_write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) |
||||
{ |
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ushort tmp; |
||||
ulong i; |
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uchar* src_org; |
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uchar* dst_org; |
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ulong cnt_org = cnt; |
||||
int ret = ERR_OK; |
||||
|
||||
src_org = src; |
||||
dst_org = (uchar*)addr; |
||||
|
||||
if (addr & 1) { /* if odd address */ |
||||
tmp = *((uchar*)(addr - 1)); /* little endian */ |
||||
tmp |= (*src << 8); |
||||
if (write_word(info, addr - 1, tmp)) |
||||
return ERR_PROG_ERROR; |
||||
addr += 1; |
||||
cnt -= 1; |
||||
src++; |
||||
} |
||||
while (cnt > 1) { |
||||
tmp = ((*(src+1)) << 8) + (*src); /* little endian */ |
||||
if (write_word(info, addr, tmp)) |
||||
return ERR_PROG_ERROR; |
||||
addr += 2; |
||||
src += 2; |
||||
cnt -= 2; |
||||
} |
||||
if (cnt > 0) { |
||||
tmp = (*((uchar*)(addr + 1))) << 8; |
||||
tmp |= *src; |
||||
if (write_word(info, addr, tmp)) |
||||
return ERR_PROG_ERROR; |
||||
} |
||||
|
||||
for (i = 0; i < cnt_org; i++) { |
||||
if (*dst_org != *src_org) { |
||||
printf("Write failed. Byte %lX differs\n", i); |
||||
ret = ERR_PROG_ERROR; |
||||
break; |
||||
} |
||||
dst_org++; |
||||
src_org++; |
||||
} |
||||
|
||||
return ret; |
||||
} |
||||
@ -0,0 +1,123 @@ |
||||
/* |
||||
* (C) Copyright 2006 Embedded Artists AB <www.embeddedartists.com> |
||||
* |
||||
* Slight modifications made to support the SMN42 board from Siemens. |
||||
* 2007 Gary Jennejohn garyj@denx.de
|
||||
* |
||||
* 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> |
||||
#include <asm/arch/hardware.h> |
||||
|
||||
/* some parameters for the board */ |
||||
/* setting up the CPU-internal memory */ |
||||
#define SRAM_START 0x40000000 |
||||
#define SRAM_SIZE 0x00004000 |
||||
#define BCFG0_VALUE 0x1000ffef |
||||
#define BCFG1_VALUE 0x10005D2F |
||||
#define BCFG2_VALUE 0x10005D2F |
||||
/* |
||||
* For P0.18 to set ZZ to the SRAMs to 1. Also set P0.2 (SCL) and P0.3 (SDA) |
||||
* for the bit-banger I2C driver correctly. |
||||
*/ |
||||
#define IO0_VALUE 0x4000C |
||||
|
||||
_TEXT_BASE: |
||||
.word TEXT_BASE
|
||||
MEMMAP_ADR: |
||||
.word MEMMAP
|
||||
BCFG0_ADR: |
||||
.word BCFG0
|
||||
_BCFG0_VALUE: |
||||
.word BCFG0_VALUE
|
||||
BCFG1_ADR: |
||||
.word BCFG1
|
||||
_BCFG1_VALUE: |
||||
.word BCFG1_VALUE
|
||||
BCFG2_ADR: |
||||
.word BCFG2
|
||||
_BCFG2_VALUE: |
||||
.word BCFG2_VALUE
|
||||
IO0DIR_ADR: |
||||
.word IO0DIR
|
||||
_IO0DIR_VALUE: |
||||
.word IO0_VALUE
|
||||
IO0SET_ADR: |
||||
.word IO0SET
|
||||
_IO0SET_VALUE: |
||||
.word IO0_VALUE
|
||||
PINSEL2_ADR: |
||||
.word PINSEL2
|
||||
PINSEL2_MASK: |
||||
.word 0x00000000
|
||||
PINSEL2_VALUE: |
||||
.word 0x0F804914
|
||||
|
||||
.extern _start
|
||||
|
||||
.globl lowlevel_init
|
||||
lowlevel_init: |
||||
/* set up memory control register for bank 0 */ |
||||
ldr r0, _BCFG0_VALUE |
||||
ldr r1, BCFG0_ADR |
||||
str r0, [r1] |
||||
|
||||
/* set up memory control register for bank 1 */ |
||||
ldr r0, _BCFG1_VALUE |
||||
ldr r1, BCFG1_ADR |
||||
str r0, [r1] |
||||
|
||||
/* set up memory control register for bank 2 */ |
||||
ldr r0, _BCFG2_VALUE |
||||
ldr r1, BCFG2_ADR |
||||
str r0, [r1] |
||||
|
||||
/* set IO0DIR to make P0.2, P0.3 and P0.18 outputs */ |
||||
ldr r0, _IO0DIR_VALUE |
||||
ldr r1, IO0DIR_ADR |
||||
str r0, [r1] |
||||
|
||||
/* set P0.18 to 1 */ |
||||
ldr r0, _IO0SET_VALUE |
||||
ldr r1, IO0SET_ADR |
||||
str r0, [r1] |
||||
|
||||
/* set up PINSEL2 for bus-pins */ |
||||
ldr r0, PINSEL2_ADR |
||||
ldr r1, [r0] |
||||
ldr r2, PINSEL2_MASK |
||||
ldr r3, PINSEL2_VALUE |
||||
and r1, r1, r2 |
||||
orr r1, r1, r3 |
||||
str r1, [r0] |
||||
|
||||
/* move vectors to beginning of SRAM */ |
||||
mov r2, #SRAM_START |
||||
mov r0, #0 /*_start*/ |
||||
ldmneia r0!, {r3-r10} |
||||
stmneia r2!, {r3-r10} |
||||
ldmneia r0, {r3-r9} |
||||
stmneia r2, {r3-r9} |
||||
|
||||
/* Set-up MEMMAP register, so vectors are taken from SRAM */ |
||||
ldr r0, MEMMAP_ADR |
||||
mov r1, #0x02 /* vectors re-mapped to static RAM */ |
||||
str r1, [r0] |
||||
|
||||
/* everything is fine now */ |
||||
mov pc, lr |
||||
@ -0,0 +1,62 @@ |
||||
/*
|
||||
* (C) Copyright 2002 |
||||
* Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
||||
* Marius Groeger <mgroeger@sysgo.de> |
||||
* |
||||
* (C) Copyright 2005 Rowel Atienza <rowel@diwalabs.com> |
||||
* Armadillo board HT1070 |
||||
* |
||||
* (C) Copyright 2007 Gary Jennejohn <garyj@denx.de> |
||||
* Siemens board SMN42 |
||||
* |
||||
* 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 <clps7111.h> |
||||
|
||||
/* ------------------------------------------------------------------------- */ |
||||
|
||||
|
||||
/*
|
||||
* Miscellaneous platform dependent initialisations |
||||
*/ |
||||
|
||||
int board_init (void) |
||||
{ |
||||
DECLARE_GLOBAL_DATA_PTR; |
||||
|
||||
/* arch number MACH_TYPE_ARMADILLO - not official*/ |
||||
gd->bd->bi_arch_number = 83; |
||||
|
||||
/* location of boot parameters */ |
||||
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x00000100; |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
int dram_init (void) |
||||
{ |
||||
DECLARE_GLOBAL_DATA_PTR; |
||||
|
||||
gd->bd->bi_dram[0].start = PHYS_SDRAM_1; |
||||
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; |
||||
|
||||
return (0); |
||||
} |
||||
@ -0,0 +1,55 @@ |
||||
/* |
||||
* (C) Copyright 2000 |
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
||||
* |
||||
* See file CREDITS for list of people who contributed to this |
||||
* project. |
||||
* |
||||
* This program is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of |
||||
* the License, or (at your option) any later version. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
||||
* MA 02111-1307 USA |
||||
*/ |
||||
|
||||
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") |
||||
OUTPUT_ARCH(arm) |
||||
ENTRY(_start) |
||||
SECTIONS |
||||
{ |
||||
. = 0x00000000; |
||||
|
||||
. = ALIGN(4); |
||||
.text : |
||||
{ |
||||
cpu/arm720t/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 : { *(.bss) } |
||||
_end = .; |
||||
} |
||||
@ -0,0 +1,50 @@ |
||||
#
|
||||
# (C) Copyright 2000-2007
|
||||
# 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 = $(obj)lib$(SOC).a
|
||||
|
||||
COBJS = flash.o mmc.o mmc_hw.o spi.o
|
||||
SOBJS = $(obj)iap_entry.o
|
||||
|
||||
SRCS := $(COBJS:.o=.c)
|
||||
OBJS := $(addprefix $(obj),$(COBJS))
|
||||
|
||||
all: $(obj).depend $(LIB) |
||||
|
||||
$(LIB): $(OBJS) $(SOBJS) |
||||
$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
|
||||
|
||||
# this MUST be compiled as thumb code!
|
||||
$(SOBJS): |
||||
$(CC) $(AFLAGS) -march=armv4t -c -o $(SOBJS) iap_entry.S
|
||||
|
||||
#########################################################################
|
||||
|
||||
# defines $(obj).depend target
|
||||
include $(SRCTREE)/rules.mk |
||||
|
||||
sinclude $(obj).depend |
||||
|
||||
#########################################################################
|
||||
@ -0,0 +1,249 @@ |
||||
/*
|
||||
* (C) Copyright 2006 Embedded Artists AB <www.embeddedartists.com> |
||||
* |
||||
* Modified to remove all but the IAP-command related code by |
||||
* Gary Jennejohn <garyj@denx.de> |
||||
* |
||||
* This program is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of |
||||
* the License, or (at your option) any later version. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
||||
* MA 02111-1307 USA |
||||
*/ |
||||
|
||||
#include <common.h> |
||||
#include <asm/arch/hardware.h> |
||||
|
||||
/* IAP commands use 32 bytes at the top of CPU internal sram, we
|
||||
use 512 bytes below that */ |
||||
#define COPY_BUFFER_LOCATION 0x40003de0 |
||||
|
||||
#define IAP_LOCATION 0x7ffffff1 |
||||
#define IAP_CMD_PREPARE 50 |
||||
#define IAP_CMD_COPY 51 |
||||
#define IAP_CMD_ERASE 52 |
||||
#define IAP_CMD_CHECK 53 |
||||
#define IAP_CMD_ID 54 |
||||
#define IAP_CMD_VERSION 55 |
||||
#define IAP_CMD_COMPARE 56 |
||||
|
||||
#define IAP_RET_CMD_SUCCESS 0 |
||||
|
||||
static unsigned long command[5]; |
||||
static unsigned long result[2]; |
||||
|
||||
extern void iap_entry(unsigned long * command, unsigned long * result); |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* |
||||
*/ |
||||
static int get_flash_sector(flash_info_t * info, ulong flash_addr) |
||||
{ |
||||
int i; |
||||
|
||||
for(i = 1; i < (info->sector_count); i++) { |
||||
if (flash_addr < (info->start[i])) |
||||
break; |
||||
} |
||||
|
||||
return (i-1); |
||||
} |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* This function assumes that flash_addr is aligned on 512 bytes boundary |
||||
* in flash. This function also assumes that prepare have been called |
||||
* for the sector in question. |
||||
*/ |
||||
int lpc2292_copy_buffer_to_flash(flash_info_t * info, ulong flash_addr) |
||||
{ |
||||
int first_sector; |
||||
int last_sector; |
||||
|
||||
first_sector = get_flash_sector(info, flash_addr); |
||||
last_sector = get_flash_sector(info, flash_addr + 512 - 1); |
||||
|
||||
/* prepare sectors for write */ |
||||
command[0] = IAP_CMD_PREPARE; |
||||
command[1] = first_sector; |
||||
command[2] = last_sector; |
||||
iap_entry(command, result); |
||||
if (result[0] != IAP_RET_CMD_SUCCESS) { |
||||
printf("IAP prepare failed\n"); |
||||
return ERR_PROG_ERROR; |
||||
} |
||||
|
||||
command[0] = IAP_CMD_COPY; |
||||
command[1] = flash_addr; |
||||
command[2] = COPY_BUFFER_LOCATION; |
||||
command[3] = 512; |
||||
command[4] = CFG_SYS_CLK_FREQ >> 10; |
||||
iap_entry(command, result); |
||||
if (result[0] != IAP_RET_CMD_SUCCESS) { |
||||
printf("IAP copy failed\n"); |
||||
return 1; |
||||
} |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
*/ |
||||
|
||||
int lpc2292_flash_erase (flash_info_t * info, int s_first, int s_last) |
||||
{ |
||||
int flag; |
||||
int prot; |
||||
int sect; |
||||
|
||||
prot = 0; |
||||
for (sect = s_first; sect <= s_last; ++sect) { |
||||
if (info->protect[sect]) { |
||||
prot++; |
||||
} |
||||
} |
||||
if (prot) |
||||
return ERR_PROTECTED; |
||||
|
||||
|
||||
flag = disable_interrupts(); |
||||
|
||||
printf ("Erasing %d sectors starting at sector %2d.\n" |
||||
"This make take some time ... ", |
||||
s_last - s_first + 1, s_first); |
||||
|
||||
command[0] = IAP_CMD_PREPARE; |
||||
command[1] = s_first; |
||||
command[2] = s_last; |
||||
iap_entry(command, result); |
||||
if (result[0] != IAP_RET_CMD_SUCCESS) { |
||||
printf("IAP prepare failed\n"); |
||||
return ERR_PROTECTED; |
||||
} |
||||
|
||||
command[0] = IAP_CMD_ERASE; |
||||
command[1] = s_first; |
||||
command[2] = s_last; |
||||
command[3] = CFG_SYS_CLK_FREQ >> 10; |
||||
iap_entry(command, result); |
||||
if (result[0] != IAP_RET_CMD_SUCCESS) { |
||||
printf("IAP erase failed\n"); |
||||
return ERR_PROTECTED; |
||||
} |
||||
|
||||
if (flag) |
||||
enable_interrupts(); |
||||
|
||||
return ERR_OK; |
||||
} |
||||
|
||||
int lpc2292_write_buff (flash_info_t * info, uchar * src, ulong addr, |
||||
ulong cnt) |
||||
{ |
||||
int first_copy_size; |
||||
int last_copy_size; |
||||
int first_block; |
||||
int last_block; |
||||
int nbr_mid_blocks; |
||||
uchar memmap_value; |
||||
ulong i; |
||||
uchar* src_org; |
||||
uchar* dst_org; |
||||
int ret = ERR_OK; |
||||
|
||||
src_org = src; |
||||
dst_org = (uchar*)addr; |
||||
|
||||
first_block = addr / 512; |
||||
last_block = (addr + cnt) / 512; |
||||
nbr_mid_blocks = last_block - first_block - 1; |
||||
|
||||
first_copy_size = 512 - (addr % 512); |
||||
last_copy_size = (addr + cnt) % 512; |
||||
|
||||
debug("\ncopy first block: (1) %lX -> %lX 0x200 bytes, " |
||||
"(2) %lX -> %lX 0x%X bytes, (3) %lX -> %lX 0x200 bytes\n", |
||||
(ulong)(first_block * 512), |
||||
(ulong)COPY_BUFFER_LOCATION, |
||||
(ulong)src, |
||||
(ulong)(COPY_BUFFER_LOCATION + 512 - first_copy_size), |
||||
first_copy_size, |
||||
(ulong)COPY_BUFFER_LOCATION, |
||||
(ulong)(first_block * 512)); |
||||
|
||||
/* copy first block */ |
||||
memcpy((void*)COPY_BUFFER_LOCATION, |
||||
(void*)(first_block * 512), 512); |
||||
memcpy((void*)(COPY_BUFFER_LOCATION + 512 - first_copy_size), |
||||
src, first_copy_size); |
||||
lpc2292_copy_buffer_to_flash(info, first_block * 512); |
||||
src += first_copy_size; |
||||
addr += first_copy_size; |
||||
|
||||
/* copy middle blocks */ |
||||
for (i = 0; i < nbr_mid_blocks; i++) { |
||||
debug("copy middle block: %lX -> %lX 512 bytes, " |
||||
"%lX -> %lX 512 bytes\n", |
||||
(ulong)src, |
||||
(ulong)COPY_BUFFER_LOCATION, |
||||
(ulong)COPY_BUFFER_LOCATION, |
||||
(ulong)addr); |
||||
|
||||
memcpy((void*)COPY_BUFFER_LOCATION, src, 512); |
||||
lpc2292_copy_buffer_to_flash(info, addr); |
||||
src += 512; |
||||
addr += 512; |
||||
} |
||||
|
||||
|
||||
if (last_copy_size > 0) { |
||||
debug("copy last block: (1) %lX -> %lX 0x200 bytes, " |
||||
"(2) %lX -> %lX 0x%X bytes, (3) %lX -> %lX x200 bytes\n", |
||||
(ulong)(last_block * 512), |
||||
(ulong)COPY_BUFFER_LOCATION, |
||||
(ulong)src, |
||||
(ulong)(COPY_BUFFER_LOCATION), |
||||
last_copy_size, |
||||
(ulong)COPY_BUFFER_LOCATION, |
||||
(ulong)addr); |
||||
|
||||
/* copy last block */ |
||||
memcpy((void*)COPY_BUFFER_LOCATION, |
||||
(void*)(last_block * 512), 512); |
||||
memcpy((void*)COPY_BUFFER_LOCATION, |
||||
src, last_copy_size); |
||||
lpc2292_copy_buffer_to_flash(info, addr); |
||||
} |
||||
|
||||
/* verify write */ |
||||
memmap_value = GET8(MEMMAP); |
||||
|
||||
disable_interrupts(); |
||||
|
||||
PUT8(MEMMAP, 01); /* we must make sure that initial 64
|
||||
bytes are taken from flash when we |
||||
do the compare */ |
||||
|
||||
for (i = 0; i < cnt; i++) { |
||||
if (*dst_org != *src_org){ |
||||
printf("Write failed. Byte %lX differs\n", i); |
||||
ret = ERR_PROG_ERROR; |
||||
break; |
||||
} |
||||
dst_org++; |
||||
src_org++; |
||||
} |
||||
|
||||
PUT8(MEMMAP, memmap_value); |
||||
enable_interrupts(); |
||||
|
||||
return ret; |
||||
} |
||||
@ -0,0 +1,33 @@ |
||||
#ifndef __ASM_ARCH_HARDWARE_H |
||||
#define __ASM_ARCH_HARDWARE_H |
||||
|
||||
/*
|
||||
* Copyright (c) 2004 Cucy Systems (http://www.cucy.com)
|
||||
* Curt Brune <curt@cucy.com> |
||||
* |
||||
* See file CREDITS for list of people who contributed to this |
||||
* project. |
||||
* |
||||
* This program is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of |
||||
* the License, or (at your option) any later version. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
||||
* MA 02111-1307 USA |
||||
*/ |
||||
|
||||
#if defined(CONFIG_LPC2292) |
||||
#include <asm-arm/arch-lpc2292/lpc2292_registers.h> |
||||
#else |
||||
#error No hardware file defined for this configuration |
||||
#endif |
||||
|
||||
#endif /* __ASM_ARCH_HARDWARE_H */ |
||||
@ -0,0 +1,199 @@ |
||||
/*
|
||||
* (C) Copyright 2007 |
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
||||
* |
||||
* Configuation settings for the SMN42 board from Siemens. |
||||
* |
||||
* See file CREDITS for list of people who contributed to this |
||||
* project. |
||||
* |
||||
* This program is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of |
||||
* the License, or (at your option) any later version. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
||||
* MA 02111-1307 USA |
||||
*/ |
||||
|
||||
#ifndef __CONFIG_H |
||||
#define __CONFIG_H |
||||
|
||||
/*
|
||||
* If we are developing, we might want to start u-boot from ram |
||||
* so we MUST NOT initialize critical regs like mem-timing ... |
||||
*/ |
||||
#undef CONFIG_INIT_CRITICAL /* undef for developing */ |
||||
|
||||
#undef CONFIG_SKIP_LOWLEVEL_INIT |
||||
#undef CONFIG_SKIP_RELOCATE_UBOOT |
||||
|
||||
/*
|
||||
* High Level Configuration Options |
||||
* (easy to change) |
||||
*/ |
||||
#define CONFIG_ARM7 1 /* This is a ARM7 CPU */ |
||||
#define CONFIG_ARM_THUMB 1 /* this is an ARM720TDMI */ |
||||
#define CONFIG_LPC2292 |
||||
#undef CONFIG_ARM7_REVD /* disable ARM720 REV.D Workarounds */ |
||||
|
||||
#undef CONFIG_USE_IRQ /* don't need them anymore */ |
||||
|
||||
/*
|
||||
* Size of malloc() pool |
||||
*/ |
||||
#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024) |
||||
#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ |
||||
|
||||
/*
|
||||
* Hardware drivers |
||||
*/ |
||||
|
||||
/*
|
||||
* select serial console configuration |
||||
*/ |
||||
#define CONFIG_SERIAL1 1 /* we use Serial line 1 */ |
||||
|
||||
/* allow to overwrite serial and ethaddr */ |
||||
#define CONFIG_ENV_OVERWRITE |
||||
|
||||
#define CONFIG_BAUDRATE 115200 |
||||
|
||||
#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE) |
||||
|
||||
/* enable I2C and select the hardware/software driver */ |
||||
#undef CONFIG_HARD_I2C /* I2C with hardware support */ |
||||
#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ |
||||
/* this would be 0xAE if E0, E1 and E2 were pulled high */ |
||||
#define CFG_I2C_SLAVE 0xA0 |
||||
#define CFG_I2C_EEPROM_ADDR (0xA0 >> 1) |
||||
#define CFG_I2C_EEPROM_ADDR_LEN 2 /* 16 bit address */ |
||||
#define CFG_EEPROM_PAGE_WRITE_BITS 6 /* 64 bytes per write */ |
||||
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 20 |
||||
/* not used but required by devices.c */ |
||||
#define CFG_I2C_SPEED 10000 |
||||
|
||||
#ifdef CONFIG_SOFT_I2C |
||||
/*
|
||||
* Software (bit-bang) I2C driver configuration |
||||
*/ |
||||
#define SCL 0x00000004 /* P0.2 */ |
||||
#define SDA 0x00000008 /* P0.3 */ |
||||
|
||||
#define I2C_READ ((GET32(IO0PIN) & SDA) ? 1 : 0) |
||||
#define I2C_SDA(x) { if (x) PUT32(IO0SET, SDA); else PUT32(IO0CLR, SDA); } |
||||
#define I2C_SCL(x) { if (x) PUT32(IO0SET, SCL); else PUT32(IO0CLR, SCL); } |
||||
#define I2C_DELAY { udelay(100); } |
||||
#define I2C_ACTIVE { unsigned int i2ctmp; \ |
||||
i2ctmp = GET32(IO0DIR); \
|
||||
i2ctmp |= SDA; \
|
||||
PUT32(IO0DIR, i2ctmp); } |
||||
#define I2C_TRISTATE { unsigned int i2ctmp; \ |
||||
i2ctmp = GET32(IO0DIR); \
|
||||
i2ctmp &= ~SDA; \
|
||||
PUT32(IO0DIR, i2ctmp); } |
||||
#endif /* CONFIG_SOFT_I2C */ |
||||
|
||||
/*
|
||||
* Supported commands |
||||
*/ |
||||
#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ |
||||
CFG_CMD_DHCP | \
|
||||
CFG_CMD_FAT | \
|
||||
CFG_CMD_MMC | \
|
||||
CFG_CMD_NET | \
|
||||
CFG_CMD_EEPROM | \
|
||||
CFG_CMD_PING) |
||||
|
||||
#define CONFIG_DOS_PARTITION |
||||
|
||||
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ |
||||
#include <cmd_confdefs.h> |
||||
|
||||
#define CONFIG_BOOTDELAY 5 |
||||
|
||||
/*
|
||||
* Miscellaneous configurable options |
||||
*/ |
||||
#define CFG_LONGHELP /* undef to save memory */ |
||||
#define CFG_PROMPT "SMN42 # " /* Monitor Command Prompt */ |
||||
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
||||
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ |
||||
#define CFG_MAXARGS 16 /* max number of command args */ |
||||
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
||||
|
||||
#define CFG_MEMTEST_START 0x81800000 /* memtest works on */ |
||||
#define CFG_MEMTEST_END 0x83000000 /* 24 MB in SRAM */ |
||||
|
||||
#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ |
||||
|
||||
#define CFG_LOAD_ADDR 0x81000000 /* default load address |
||||
* for uClinux img is here*/ |
||||
|
||||
#define CFG_SYS_CLK_FREQ 58982400 /* Hz */ |
||||
#define CFG_HZ 2048 /* decrementer freq in Hz */ |
||||
|
||||
/* valid baudrates */ |
||||
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Stack sizes |
||||
* |
||||
* The stack sizes are set up in start.S using the settings below |
||||
*/ |
||||
#define CONFIG_STACKSIZE (128*1024) /* regular stack */ |
||||
#ifdef CONFIG_USE_IRQ |
||||
#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ |
||||
#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ |
||||
#endif |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Physical Memory Map |
||||
*/ |
||||
#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of SRAM */ |
||||
#define PHYS_SDRAM_1 0x81000000 /* SRAM Bank #1 */ |
||||
#define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB SRAM */ |
||||
|
||||
/* This is the external flash */ |
||||
#define PHYS_FLASH_1 0x80000000 /* Flash Bank #1 */ |
||||
#define PHYS_FLASH_SIZE 0x01000000 /* 16 MB */ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* FLASH and environment organization |
||||
*/ |
||||
|
||||
/*
|
||||
* The first entry in CFG_FLASH_BANKS_LIST is a dummy, but it must be present. |
||||
*/ |
||||
#define CFG_FLASH_BANKS_LIST { 0, PHYS_FLASH_1 } |
||||
#define CFG_FLASH_ADDR0 0x555 |
||||
#define CFG_FLASH_ADDR1 0x2AA |
||||
#define CFG_FLASH_ERASE_TOUT 16384 /* Timeout for Flash Erase (in ms) */ |
||||
#define CFG_FLASH_WRITE_TOUT 5 /* Timeout for Flash Write (in ms) */ |
||||
|
||||
#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ |
||||
|
||||
#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ |
||||
|
||||
#define CFG_ENV_IS_IN_FLASH 1 |
||||
/* The Environment Sector is in the CPU-internal flash */ |
||||
#define CFG_FLASH_BASE 0 |
||||
#define CFG_ENV_OFFSET 0x3C000 |
||||
#define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET) |
||||
#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ |
||||
|
||||
#define CONFIG_CMDLINE_TAG |
||||
#define CONFIG_SETUP_MEMORY_TAGS |
||||
#define CONFIG_INITRD_TAG |
||||
#define CONFIG_MMC 1 |
||||
/* we use this ethernet chip */ |
||||
#define CONFIG_ENC28J60 |
||||
|
||||
#endif /* __CONFIG_H */ |
||||
Loading…
Reference in new issue