parent
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commit
1f7f0edd3c
@ -1,51 +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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# 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 := sbc2410x.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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@ -1,23 +0,0 @@ |
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#
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# (C) Copyright 2002
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# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
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# David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
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#
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# SAMSUNG SMDK2410 board with S3C2410X (ARM920T) cpu
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#
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# see http://www.samsung.com/ for more information on SAMSUNG
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#
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#
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# SMDK2410 has 1 bank of 64 MB DRAM
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#
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# 3000'0000 to 3400'0000
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#
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# Linux-Kernel is expected to be at 3000'8000, entry 3000'8000
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# optionally with a ramdisk at 3080'0000
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#
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# we load ourself to 33F8'0000
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#
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# download area is 3300'0000
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CONFIG_SYS_TEXT_BASE = 0x33F80000
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@ -1,433 +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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* Alex Zuepke <azu@sysgo.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 <common.h> |
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ulong myflush (void); |
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#define FLASH_BANK_SIZE PHYS_FLASH_SIZE |
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#define MAIN_SECT_SIZE 0x10000 /* 64 KB */ |
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flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; |
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#define CMD_READ_ARRAY 0x000000F0 |
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#define CMD_UNLOCK1 0x000000AA |
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#define CMD_UNLOCK2 0x00000055 |
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#define CMD_ERASE_SETUP 0x00000080 |
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#define CMD_ERASE_CONFIRM 0x00000030 |
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#define CMD_PROGRAM 0x000000A0 |
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#define CMD_UNLOCK_BYPASS 0x00000020 |
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#define MEM_FLASH_ADDR1 (*(volatile u16 *)(CONFIG_SYS_FLASH_BASE + (0x00000555 << 1))) |
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#define MEM_FLASH_ADDR2 (*(volatile u16 *)(CONFIG_SYS_FLASH_BASE + (0x000002AA << 1))) |
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#define BIT_ERASE_DONE 0x00000080 |
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#define BIT_RDY_MASK 0x00000080 |
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#define BIT_PROGRAM_ERROR 0x00000020 |
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#define BIT_TIMEOUT 0x80000000 /* our flag */ |
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#define READY 1 |
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#define ERR 2 |
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#define TMO 4 |
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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 i, j; |
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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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ulong flashbase = 0; |
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flash_info[i].flash_id = |
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#if defined(CONFIG_AMD_LV400) |
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(AMD_MANUFACT & FLASH_VENDMASK) | |
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(AMD_ID_LV400B & FLASH_TYPEMASK); |
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#elif defined(CONFIG_AMD_LV800) |
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(AMD_MANUFACT & FLASH_VENDMASK) | |
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(AMD_ID_LV800B & FLASH_TYPEMASK); |
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#else |
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#error "Unknown flash configured" |
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#endif |
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flash_info[i].size = FLASH_BANK_SIZE; |
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flash_info[i].sector_count = CONFIG_SYS_MAX_FLASH_SECT; |
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memset (flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT); |
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if (i == 0) |
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flashbase = PHYS_FLASH_1; |
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else |
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panic ("configured too many flash banks!\n"); |
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for (j = 0; j < flash_info[i].sector_count; j++) { |
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if (j <= 3) { |
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/* 1st one is 16 KB */ |
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if (j == 0) { |
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flash_info[i].start[j] = |
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flashbase + 0; |
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} |
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/* 2nd and 3rd are both 8 KB */ |
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if ((j == 1) || (j == 2)) { |
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flash_info[i].start[j] = |
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flashbase + 0x4000 + (j - |
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1) * |
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0x2000; |
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} |
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/* 4th 32 KB */ |
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if (j == 3) { |
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flash_info[i].start[j] = |
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flashbase + 0x8000; |
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} |
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} else { |
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flash_info[i].start[j] = |
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flashbase + (j - 3) * MAIN_SECT_SIZE; |
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} |
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} |
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size += flash_info[i].size; |
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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, |
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&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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void flash_print_info (flash_info_t * info) |
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{ |
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int i; |
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switch (info->flash_id & FLASH_VENDMASK) { |
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case (AMD_MANUFACT & FLASH_VENDMASK): |
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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 (AMD_ID_LV400B & FLASH_TYPEMASK): |
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printf ("1x Amd29LV400BB (4Mbit)\n"); |
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break; |
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case (AMD_ID_LV800B & FLASH_TYPEMASK): |
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printf ("1x Amd29LV800BB (8Mbit)\n"); |
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break; |
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default: |
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printf ("Unknown Chip Type\n"); |
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goto Done; |
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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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} |
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printf (" %08lX%s", info->start[i], |
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info->protect[i] ? " (RO)" : " "); |
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} |
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printf ("\n"); |
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Done:; |
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} |
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/*-----------------------------------------------------------------------
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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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ushort result; |
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int iflag, cflag, prot, sect; |
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int rc = ERR_OK; |
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int chip; |
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ulong start; |
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/* first look for protection bits */ |
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if (info->flash_id == FLASH_UNKNOWN) |
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return ERR_UNKNOWN_FLASH_TYPE; |
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if ((s_first < 0) || (s_first > s_last)) { |
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return ERR_INVAL; |
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} |
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if ((info->flash_id & FLASH_VENDMASK) != |
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(AMD_MANUFACT & FLASH_VENDMASK)) { |
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return ERR_UNKNOWN_FLASH_VENDOR; |
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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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return ERR_PROTECTED; |
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/*
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* Disable interrupts which might cause a timeout |
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* here. Remember that our exception vectors are |
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* at address 0 in the flash, and we don't want a |
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* (ticker) exception to happen while the flash |
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* chip is in programming mode. |
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*/ |
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cflag = icache_status (); |
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icache_disable (); |
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iflag = disable_interrupts (); |
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/* Start erase on unprotected sectors */ |
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for (sect = s_first; sect <= s_last && !ctrlc (); sect++) { |
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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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if (info->protect[sect] == 0) { /* not protected */ |
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vu_short *addr = (vu_short *) (info->start[sect]); |
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MEM_FLASH_ADDR1 = CMD_UNLOCK1; |
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MEM_FLASH_ADDR2 = CMD_UNLOCK2; |
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MEM_FLASH_ADDR1 = CMD_ERASE_SETUP; |
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MEM_FLASH_ADDR1 = CMD_UNLOCK1; |
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MEM_FLASH_ADDR2 = CMD_UNLOCK2; |
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*addr = CMD_ERASE_CONFIRM; |
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/* wait until flash is ready */ |
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chip = 0; |
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do { |
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result = *addr; |
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/* check timeout */ |
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if (get_timer(start) > |
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CONFIG_SYS_FLASH_ERASE_TOUT) { |
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MEM_FLASH_ADDR1 = CMD_READ_ARRAY; |
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chip = TMO; |
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break; |
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} |
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if (!chip |
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&& (result & 0xFFFF) & BIT_ERASE_DONE) |
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chip = READY; |
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if (!chip |
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&& (result & 0xFFFF) & BIT_PROGRAM_ERROR) |
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chip = ERR; |
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} while (!chip); |
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MEM_FLASH_ADDR1 = CMD_READ_ARRAY; |
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if (chip == ERR) { |
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rc = ERR_PROG_ERROR; |
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goto outahere; |
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} |
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if (chip == TMO) { |
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rc = ERR_TIMOUT; |
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goto outahere; |
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} |
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printf ("ok.\n"); |
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} else { /* it was protected */ |
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printf ("protected!\n"); |
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} |
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} |
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if (ctrlc ()) |
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printf ("User Interrupt!\n"); |
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outahere: |
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/* allow flash to settle - wait 10 ms */ |
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udelay_masked (10000); |
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if (iflag) |
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enable_interrupts (); |
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if (cflag) |
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icache_enable (); |
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return rc; |
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} |
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/*-----------------------------------------------------------------------
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* Copy memory to flash |
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*/ |
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static int write_hword (flash_info_t * info, ulong dest, ushort data) |
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{ |
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vu_short *addr = (vu_short *) dest; |
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ushort result; |
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int rc = ERR_OK; |
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int cflag, iflag; |
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int chip; |
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ulong start; |
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/*
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* Check if Flash is (sufficiently) erased |
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*/ |
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result = *addr; |
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if ((result & data) != data) |
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return ERR_NOT_ERASED; |
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|
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|
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/*
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* Disable interrupts which might cause a timeout |
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* here. Remember that our exception vectors are |
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* at address 0 in the flash, and we don't want a |
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* (ticker) exception to happen while the flash |
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* chip is in programming mode. |
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*/ |
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cflag = icache_status (); |
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icache_disable (); |
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iflag = disable_interrupts (); |
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|
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MEM_FLASH_ADDR1 = CMD_UNLOCK1; |
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MEM_FLASH_ADDR2 = CMD_UNLOCK2; |
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MEM_FLASH_ADDR1 = CMD_UNLOCK_BYPASS; |
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*addr = CMD_PROGRAM; |
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*addr = data; |
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|
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/* arm simple, non interrupt dependent timer */ |
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get_timer(start); |
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|
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/* wait until flash is ready */ |
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chip = 0; |
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do { |
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result = *addr; |
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|
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/* check timeout */ |
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if (get_timer(start) > CONFIG_SYS_FLASH_ERASE_TOUT) { |
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chip = ERR | TMO; |
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break; |
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} |
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if (!chip && ((result & 0x80) == (data & 0x80))) |
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chip = READY; |
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|
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if (!chip && ((result & 0xFFFF) & BIT_PROGRAM_ERROR)) { |
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result = *addr; |
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|
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if ((result & 0x80) == (data & 0x80)) |
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chip = READY; |
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else |
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chip = ERR; |
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} |
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|
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} while (!chip); |
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|
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*addr = CMD_READ_ARRAY; |
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|
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if (chip == ERR || *addr != data) |
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rc = ERR_PROG_ERROR; |
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|
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if (iflag) |
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enable_interrupts (); |
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|
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if (cflag) |
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icache_enable (); |
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|
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return rc; |
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} |
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|
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/*-----------------------------------------------------------------------
|
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* Copy memory to flash. |
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*/ |
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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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ulong cp, wp; |
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int l; |
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int i, rc; |
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ushort data; |
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|
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wp = (addr & ~1); /* get lower word aligned address */ |
||||
|
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/*
|
||||
* handle unaligned start bytes |
||||
*/ |
||||
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 << 8); |
||||
} |
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for (; i < 2 && cnt > 0; ++i) { |
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data = (data >> 8) | (*src++ << 8); |
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--cnt; |
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++cp; |
||||
} |
||||
for (; cnt == 0 && i < 2; ++i, ++cp) { |
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data = (data >> 8) | (*(uchar *) cp << 8); |
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} |
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|
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if ((rc = write_hword (info, wp, data)) != 0) { |
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return (rc); |
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} |
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wp += 2; |
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} |
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|
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/*
|
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* handle word aligned part |
||||
*/ |
||||
while (cnt >= 2) { |
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data = *((vu_short *) src); |
||||
if ((rc = write_hword (info, wp, data)) != 0) { |
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return (rc); |
||||
} |
||||
src += 2; |
||||
wp += 2; |
||||
cnt -= 2; |
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} |
||||
|
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if (cnt == 0) { |
||||
return ERR_OK; |
||||
} |
||||
|
||||
/*
|
||||
* handle unaligned tail bytes |
||||
*/ |
||||
data = 0; |
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for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) { |
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data = (data >> 8) | (*src++ << 8); |
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--cnt; |
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} |
||||
for (; i < 2; ++i, ++cp) { |
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data = (data >> 8) | (*(uchar *) cp << 8); |
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} |
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|
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return write_hword (info, wp, data); |
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} |
@ -1,163 +0,0 @@ |
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/* |
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* Memory Setup stuff - taken from blob memsetup.S |
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* |
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* Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
|
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* Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
|
||||
* |
||||
* Modified for the Samsung SMDK2410 by |
||||
* (C) Copyright 2002 |
||||
* David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
|
||||
* |
||||
* Modified for the friendly-arm SBC-2410X by |
||||
* (C) Copyright 2005 |
||||
* JinHua Luo, GuangDong Linux Center, <luo.jinhua@gd-linux.com>
|
||||
* |
||||
* See file CREDITS for list of people who contributed to this |
||||
* project. |
||||
* |
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
||||
* MA 02111-1307 USA |
||||
*/ |
||||
|
||||
#include <config.h> |
||||
#include <version.h> |
||||
|
||||
/* |
||||
* Taken from linux/arch/arm/boot/compressed/head-s3c2410.S |
||||
* |
||||
* Copyright (C) 2002 Samsung Electronics SW.LEE <hitchcar@sec.samsung.com>
|
||||
*/ |
||||
|
||||
#define BWSCON 0x48000000 |
||||
|
||||
/* BWSCON */ |
||||
#define DW8 (0x0) |
||||
#define DW16 (0x1) |
||||
#define DW32 (0x2) |
||||
#define WAIT (0x1<<2) |
||||
#define UBLB (0x1<<3) |
||||
|
||||
#define B1_BWSCON (DW16) |
||||
#define B2_BWSCON (DW16) |
||||
#define B3_BWSCON (DW16 + WAIT + UBLB) |
||||
#define B4_BWSCON (DW16) |
||||
#define B5_BWSCON (DW16) |
||||
#define B6_BWSCON (DW32) |
||||
#define B7_BWSCON (DW32) |
||||
|
||||
#define B0_Tacs 0x0 |
||||
#define B0_Tcos 0x0 |
||||
#define B0_Tacc 0x7 |
||||
#define B0_Tcoh 0x0 |
||||
#define B0_Tah 0x0 |
||||
#define B0_Tacp 0x0 |
||||
#define B0_PMC 0x0 |
||||
|
||||
#define B1_Tacs 0x0 |
||||
#define B1_Tcos 0x0 |
||||
#define B1_Tacc 0x7 |
||||
#define B1_Tcoh 0x0 |
||||
#define B1_Tah 0x0 |
||||
#define B1_Tacp 0x0 |
||||
#define B1_PMC 0x0 |
||||
|
||||
#define B2_Tacs 0x0 |
||||
#define B2_Tcos 0x0 |
||||
#define B2_Tacc 0x7 |
||||
#define B2_Tcoh 0x0 |
||||
#define B2_Tah 0x0 |
||||
#define B2_Tacp 0x0 |
||||
#define B2_PMC 0x0 |
||||
|
||||
#define B3_Tacs 0xc |
||||
#define B3_Tcos 0x7 |
||||
#define B3_Tacc 0xf |
||||
#define B3_Tcoh 0x1 |
||||
#define B3_Tah 0x0 |
||||
#define B3_Tacp 0x0 |
||||
#define B3_PMC 0x0 |
||||
|
||||
#define B4_Tacs 0x0 |
||||
#define B4_Tcos 0x0 |
||||
#define B4_Tacc 0x7 |
||||
#define B4_Tcoh 0x0 |
||||
#define B4_Tah 0x0 |
||||
#define B4_Tacp 0x0 |
||||
#define B4_PMC 0x0 |
||||
|
||||
#define B5_Tacs 0xc |
||||
#define B5_Tcos 0x7 |
||||
#define B5_Tacc 0xf |
||||
#define B5_Tcoh 0x1 |
||||
#define B5_Tah 0x0 |
||||
#define B5_Tacp 0x0 |
||||
#define B5_PMC 0x0 |
||||
|
||||
#define B6_MT 0x3 /* SDRAM */ |
||||
#define B6_Trcd 0x1 |
||||
#define B6_SCAN 0x1 /* 9bit */ |
||||
|
||||
#define B7_MT 0x3 /* SDRAM */ |
||||
#define B7_Trcd 0x1 /* 3clk */ |
||||
#define B7_SCAN 0x1 /* 9bit */ |
||||
|
||||
/* REFRESH parameter */ |
||||
#define REFEN 0x1 /* Refresh enable */ |
||||
#define TREFMD 0x0 /* CBR(CAS before RAS)/Auto refresh */ |
||||
#define Trp 0x0 /* 2clk */ |
||||
#define Trc 0x3 /* 7clk */ |
||||
#define Tchr 0x2 /* 3clk */ |
||||
#define REFCNT 0x0459 |
||||
/**************************************/ |
||||
|
||||
_TEXT_BASE: |
||||
.word CONFIG_SYS_TEXT_BASE
|
||||
|
||||
.globl lowlevel_init
|
||||
lowlevel_init: |
||||
/* memory control configuration */ |
||||
/* make r0 relative the current location so that it */ |
||||
/* reads SMRDATA out of FLASH rather than memory ! */ |
||||
ldr r0, =SMRDATA |
||||
ldr r1, _TEXT_BASE |
||||
sub r0, r0, r1 |
||||
ldr r1, =BWSCON /* Bus Width Status Controller */ |
||||
add r2, r0, #13*4 |
||||
0: |
||||
ldr r3, [r0], #4 |
||||
str r3, [r1], #4 |
||||
cmp r2, r0 |
||||
bne 0b |
||||
|
||||
/* everything is fine now */ |
||||
mov pc, lr |
||||
|
||||
.ltorg |
||||
/* the literal pools origin */ |
||||
|
||||
SMRDATA: |
||||
.word (0+(B1_BWSCON<<4)+(B2_BWSCON<<8)+(B3_BWSCON<<12)+(B4_BWSCON<<16)+(B5_BWSCON<<20)+(B6_BWSCON<<24)+(B7_BWSCON<<28)) |
||||
.word ((B0_Tacs<<13)+(B0_Tcos<<11)+(B0_Tacc<<8)+(B0_Tcoh<<6)+(B0_Tah<<4)+(B0_Tacp<<2)+(B0_PMC)) |
||||
.word ((B1_Tacs<<13)+(B1_Tcos<<11)+(B1_Tacc<<8)+(B1_Tcoh<<6)+(B1_Tah<<4)+(B1_Tacp<<2)+(B1_PMC)) |
||||
.word ((B2_Tacs<<13)+(B2_Tcos<<11)+(B2_Tacc<<8)+(B2_Tcoh<<6)+(B2_Tah<<4)+(B2_Tacp<<2)+(B2_PMC)) |
||||
.word ((B3_Tacs<<13)+(B3_Tcos<<11)+(B3_Tacc<<8)+(B3_Tcoh<<6)+(B3_Tah<<4)+(B3_Tacp<<2)+(B3_PMC)) |
||||
.word ((B4_Tacs<<13)+(B4_Tcos<<11)+(B4_Tacc<<8)+(B4_Tcoh<<6)+(B4_Tah<<4)+(B4_Tacp<<2)+(B4_PMC)) |
||||
.word ((B5_Tacs<<13)+(B5_Tcos<<11)+(B5_Tacc<<8)+(B5_Tcoh<<6)+(B5_Tah<<4)+(B5_Tacp<<2)+(B5_PMC)) |
||||
.word ((B6_MT<<15)+(B6_Trcd<<2)+(B6_SCAN)) |
||||
.word ((B7_MT<<15)+(B7_Trcd<<2)+(B7_SCAN)) |
||||
.word ((REFEN<<23)+(TREFMD<<22)+(Trp<<20)+(Trc<<18)+(Tchr<<16)+REFCNT) |
||||
.word 0xb2
|
||||
.word 0x30
|
||||
.word 0x30
|
@ -1,193 +0,0 @@ |
||||
/*
|
||||
* (C) Copyright 2002 |
||||
* Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
||||
* Marius Groeger <mgroeger@sysgo.de> |
||||
* |
||||
* (C) Copyright 2002 |
||||
* David Mueller, ELSOFT AG, <d.mueller@elsoft.ch> |
||||
* |
||||
* (C) Copyright 2005 |
||||
* JinHua Luo, GuangDong Linux Center, <luo.jinhua@gd-linux.com> |
||||
* |
||||
* See file CREDITS for list of people who contributed to this |
||||
* project. |
||||
* |
||||
* This program is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of |
||||
* the License, or (at your option) any later version. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
||||
* MA 02111-1307 USA |
||||
*/ |
||||
|
||||
#include <common.h> |
||||
#include <netdev.h> |
||||
#include <asm/arch/s3c24x0_cpu.h> |
||||
|
||||
#if defined(CONFIG_CMD_NAND) |
||||
#include <linux/mtd/nand.h> |
||||
#endif |
||||
|
||||
DECLARE_GLOBAL_DATA_PTR; |
||||
|
||||
#define FCLK_SPEED 1 |
||||
|
||||
#if FCLK_SPEED==0 /* Fout = 203MHz, Fin = 12MHz for Audio */ |
||||
#define M_MDIV 0xC3 |
||||
#define M_PDIV 0x4 |
||||
#define M_SDIV 0x1 |
||||
#elif FCLK_SPEED==1 /* Fout = 202.8MHz */ |
||||
#define M_MDIV 0x5c |
||||
#define M_PDIV 0x4 |
||||
#define M_SDIV 0x0 |
||||
#endif |
||||
|
||||
#define USB_CLOCK 1 |
||||
|
||||
#if USB_CLOCK==0 |
||||
#define U_M_MDIV 0xA1 |
||||
#define U_M_PDIV 0x3 |
||||
#define U_M_SDIV 0x1 |
||||
#elif USB_CLOCK==1 |
||||
#define U_M_MDIV 0x48 |
||||
#define U_M_PDIV 0x3 |
||||
#define U_M_SDIV 0x2 |
||||
#endif |
||||
|
||||
static inline void delay (unsigned long loops) |
||||
{ |
||||
__asm__ volatile ("1:\n" |
||||
"subs %0, %1, #1\n" |
||||
"bne 1b":"=r" (loops):"0" (loops)); |
||||
} |
||||
|
||||
/*
|
||||
* Miscellaneous platform dependent initialisations |
||||
*/ |
||||
|
||||
int board_init (void) |
||||
{ |
||||
struct s3c24x0_clock_power * const clk_power = |
||||
s3c24x0_get_base_clock_power(); |
||||
struct s3c24x0_gpio * const gpio = s3c24x0_get_base_gpio(); |
||||
|
||||
/* to reduce PLL lock time, adjust the LOCKTIME register */ |
||||
clk_power->locktime = 0xFFFFFF; |
||||
|
||||
/* configure MPLL */ |
||||
clk_power->mpllcon = ((M_MDIV << 12) + (M_PDIV << 4) + M_SDIV); |
||||
|
||||
/* some delay between MPLL and UPLL */ |
||||
delay (4000); |
||||
|
||||
/* configure UPLL */ |
||||
clk_power->upllcon = ((U_M_MDIV << 12) + (U_M_PDIV << 4) + U_M_SDIV); |
||||
|
||||
/* some delay between MPLL and UPLL */ |
||||
delay (8000); |
||||
|
||||
/* set up the I/O ports */ |
||||
gpio->gpacon = 0x007FFFFF; |
||||
gpio->gpbcon = 0x00044556; |
||||
gpio->gpbup = 0x000007FF; |
||||
gpio->gpccon = 0xAAAAAAAA; |
||||
gpio->gpcup = 0x0000FFFF; |
||||
gpio->gpdcon = 0xAAAAAAAA; |
||||
gpio->gpdup = 0x0000FFFF; |
||||
gpio->gpecon = 0xAAAAAAAA; |
||||
gpio->gpeup = 0x0000FFFF; |
||||
gpio->gpfcon = 0x000055AA; |
||||
gpio->gpfup = 0x000000FF; |
||||
gpio->gpgcon = 0xFF95FF3A; |
||||
gpio->gpgup = 0x0000FFFF; |
||||
gpio->gphcon = 0x0016FAAA; |
||||
gpio->gphup = 0x000007FF; |
||||
|
||||
gpio->extint0 = 0x22222222; |
||||
gpio->extint1 = 0x22222222; |
||||
gpio->extint2 = 0x22222222; |
||||
|
||||
/* arch number of SMDK2410-Board */ |
||||
gd->bd->bi_arch_number = MACH_TYPE_SMDK2410; |
||||
|
||||
/* adress of boot parameters */ |
||||
gd->bd->bi_boot_params = 0x30000100; |
||||
|
||||
icache_enable(); |
||||
dcache_enable(); |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
int dram_init (void) |
||||
{ |
||||
gd->bd->bi_dram[0].start = PHYS_SDRAM_1; |
||||
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
#if defined(CONFIG_CMD_NAND) |
||||
extern ulong nand_probe(ulong physadr); |
||||
|
||||
static inline void NF_Reset(void) |
||||
{ |
||||
int i; |
||||
|
||||
NF_SetCE(NFCE_LOW); |
||||
NF_Cmd(0xFF); /* reset command */ |
||||
for(i = 0; i < 10; i++); /* tWB = 100ns. */ |
||||
NF_WaitRB(); /* wait 200~500us; */ |
||||
NF_SetCE(NFCE_HIGH); |
||||
} |
||||
|
||||
static inline void NF_Init(void) |
||||
{ |
||||
#if 1 |
||||
#define TACLS 0 |
||||
#define TWRPH0 3 |
||||
#define TWRPH1 0 |
||||
#else |
||||
#define TACLS 0 |
||||
#define TWRPH0 4 |
||||
#define TWRPH1 2 |
||||
#endif |
||||
|
||||
NF_Conf((1<<15)|(0<<14)|(0<<13)|(1<<12)|(1<<11)|(TACLS<<8)|(TWRPH0<<4)|(TWRPH1<<0)); |
||||
/*nand->NFCONF = (1<<15)|(1<<14)|(1<<13)|(1<<12)|(1<<11)|(TACLS<<8)|(TWRPH0<<4)|(TWRPH1<<0); */ |
||||
/* 1 1 1 1, 1 xxx, r xxx, r xxx */ |
||||
/* En 512B 4step ECCR nFCE=H tACLS tWRPH0 tWRPH1 */ |
||||
|
||||
NF_Reset(); |
||||
} |
||||
|
||||
void nand_init(void) |
||||
{ |
||||
struct s3c2410_nand * const nand = s3c2410_get_base_nand(); |
||||
|
||||
NF_Init(); |
||||
#ifdef DEBUG |
||||
printf("NAND flash probing at 0x%.8lX\n", (ulong)nand); |
||||
#endif |
||||
printf ("%4lu MB\n", nand_probe((ulong)nand) >> 20); |
||||
} |
||||
#endif |
||||
|
||||
#ifdef CONFIG_CMD_NET |
||||
int board_eth_init(bd_t *bis) |
||||
{ |
||||
int rc = 0; |
||||
#ifdef CONFIG_CS8900 |
||||
rc = cs8900_initialize(0, CONFIG_CS8900_BASE); |
||||
#endif |
||||
return rc; |
||||
} |
||||
#endif |
@ -1,220 +0,0 @@ |
||||
/*
|
||||
* (C) Copyright 2002 |
||||
* Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
||||
* Marius Groeger <mgroeger@sysgo.de> |
||||
* Gary Jennejohn <garyj@denx.de> |
||||
* David Mueller <d.mueller@elsoft.ch> |
||||
* |
||||
* Modified for the friendly-arm SBC-2410X by |
||||
* (C) Copyright 2005 |
||||
* JinHua Luo, GuangDong Linux Center, <luo.jinhua@gd-linux.com> |
||||
* |
||||
* Configuation settings for the friendly-arm SBC-2410X board. |
||||
* |
||||
* See file CREDITS for list of people who contributed to this |
||||
* project. |
||||
* |
||||
* This program is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2 of |
||||
* the License, or (at your option) any later version. |
||||
* |
||||
* This program is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License |
||||
* along with this program; if not, write to the Free Software |
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
||||
* MA 02111-1307 USA |
||||
*/ |
||||
|
||||
#ifndef __CONFIG_H |
||||
#define __CONFIG_H |
||||
|
||||
/*
|
||||
* If we are developing, we might want to start armboot from ram |
||||
* so we MUST NOT initialize critical regs like mem-timing ... |
||||
*/ |
||||
#undef CONFIG_SKIP_LOWLEVEL_INIT /* undef for developing */ |
||||
|
||||
/*
|
||||
* High Level Configuration Options |
||||
* (easy to change) |
||||
*/ |
||||
#define CONFIG_ARM920T 1 /* This is an ARM920T Core */ |
||||
#define CONFIG_S3C24X0 1 /* in a SAMSUNG S3C24x0-type SoC */ |
||||
#define CONFIG_S3C2410 1 /* specifically a SAMSUNG S3C2410 SoC */ |
||||
#define CONFIG_SBC2410X 1 /* on a friendly-arm SBC-2410X Board */ |
||||
|
||||
/* input clock of PLL */ |
||||
#define CONFIG_SYS_CLK_FREQ 12000000/* the SBC2410X has 12MHz input clock */ |
||||
|
||||
|
||||
#define USE_920T_MMU 1 |
||||
#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ |
||||
|
||||
/*
|
||||
* Size of malloc() pool |
||||
*/ |
||||
#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024) |
||||
|
||||
/*
|
||||
* Hardware drivers |
||||
*/ |
||||
#define CONFIG_NET_MULTI |
||||
#define CONFIG_CS8900 /* we have a CS8900 on-board */ |
||||
#define CONFIG_CS8900_BASE 0x19000300 |
||||
#define CONFIG_CS8900_BUS16 /* the Linux driver does accesses as shorts */ |
||||
|
||||
/*
|
||||
* select serial console configuration |
||||
*/ |
||||
#define CONFIG_S3C24X0_SERIAL |
||||
#define CONFIG_SERIAL1 1 /* we use SERIAL 1 on SBC2410X */ |
||||
|
||||
/************************************************************
|
||||
* RTC |
||||
************************************************************/ |
||||
#define CONFIG_RTC_S3C24X0 1 |
||||
|
||||
/* allow to overwrite serial and ethaddr */ |
||||
#define CONFIG_ENV_OVERWRITE |
||||
|
||||
#define CONFIG_BAUDRATE 115200 |
||||
|
||||
|
||||
/*
|
||||
* BOOTP options |
||||
*/ |
||||
#define CONFIG_BOOTP_BOOTFILESIZE |
||||
#define CONFIG_BOOTP_BOOTPATH |
||||
#define CONFIG_BOOTP_GATEWAY |
||||
#define CONFIG_BOOTP_HOSTNAME |
||||
|
||||
|
||||
/*
|
||||
* Command line configuration. |
||||
*/ |
||||
#include <config_cmd_default.h> |
||||
|
||||
#define CONFIG_CMD_ASKENV |
||||
#define CONFIG_CMD_CACHE |
||||
#define CONFIG_CMD_DATE |
||||
#define CONFIG_CMD_DHCP |
||||
#define CONFIG_CMD_ELF |
||||
#define CONFIG_CMD_PING |
||||
|
||||
|
||||
#define CONFIG_BOOTDELAY 3 |
||||
#define CONFIG_BOOTARGS "console=ttySAC0 root=/dev/nfs " \ |
||||
"nfsroot=192.168.0.1:/friendly-arm/rootfs_netserv " \
|
||||
"ip=192.168.0.69:192.168.0.1:192.168.0.1:255.255.255.0:debian:eth0:off" |
||||
#define CONFIG_ETHADDR 08:00:3e:26:0a:5b |
||||
#define CONFIG_NETMASK 255.255.255.0 |
||||
#define CONFIG_IPADDR 192.168.0.69 |
||||
#define CONFIG_SERVERIP 192.168.0.1 |
||||
/*#define CONFIG_BOOTFILE "elinos-lart" */ |
||||
#define CONFIG_BOOTCOMMAND "dhcp; bootm" |
||||
|
||||
#if defined(CONFIG_CMD_KGDB) |
||||
#define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port */ |
||||
/* what's this ? it's not used anywhere */ |
||||
#define CONFIG_KGDB_SER_INDEX 1 /* which serial port to use */ |
||||
#endif |
||||
|
||||
/*
|
||||
* Miscellaneous configurable options |
||||
*/ |
||||
#define CONFIG_SYS_LONGHELP /* undef to save memory */ |
||||
#define CONFIG_SYS_PROMPT "[ ~ljh@GDLC ]# " /* 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 0x30000000 /* memtest works on */ |
||||
#define CONFIG_SYS_MEMTEST_END 0x33F00000 /* 63 MB in DRAM */ |
||||
|
||||
#define CONFIG_SYS_LOAD_ADDR 0x33000000 /* default load address */ |
||||
|
||||
#define CONFIG_SYS_HZ 1000 |
||||
|
||||
/* 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 1 /* we have 1 bank of DRAM */ |
||||
#define PHYS_SDRAM_1 0x30000000 /* SDRAM Bank #1 */ |
||||
#define PHYS_SDRAM_1_SIZE 0x04000000 /* 64 MB */ |
||||
|
||||
#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */ |
||||
|
||||
#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1 |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* FLASH and environment organization |
||||
*/ |
||||
/* #define CONFIG_AMD_LV400 1 /\* uncomment this if you have a LV400 flash *\/ */ |
||||
|
||||
#define CONFIG_AMD_LV800 1 /* uncomment this if you have a LV800 flash */ |
||||
|
||||
#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
||||
|
||||
#ifdef CONFIG_AMD_LV800 |
||||
#define PHYS_FLASH_SIZE 0x00100000 /* 1MB */ |
||||
#define CONFIG_SYS_MAX_FLASH_SECT (19) /* max number of sectors on one chip */ |
||||
#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x0F0000) /* addr of environment */ |
||||
#endif |
||||
|
||||
#ifdef CONFIG_AMD_LV400 |
||||
#define PHYS_FLASH_SIZE 0x00080000 /* 512KB */ |
||||
#define CONFIG_SYS_MAX_FLASH_SECT (11) /* max number of sectors on one chip */ |
||||
#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x070000) /* addr of environment */ |
||||
#endif |
||||
|
||||
/* timeout values are in ticks */ |
||||
#define CONFIG_SYS_FLASH_ERASE_TOUT (5*CONFIG_SYS_HZ) /* Timeout for Flash Erase */ |
||||
#define CONFIG_SYS_FLASH_WRITE_TOUT (5*CONFIG_SYS_HZ) /* Timeout for Flash Write */ |
||||
|
||||
#define CONFIG_ENV_IS_IN_FLASH 1 |
||||
#define CONFIG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */ |
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* NAND flash settings |
||||
*/ |
||||
#if defined(CONFIG_CMD_NAND) |
||||
#define CONFIG_NAND_S3C2410 |
||||
#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ |
||||
#endif /* CONFIG_CMD_NAND */ |
||||
|
||||
#define CONFIG_SETUP_MEMORY_TAGS |
||||
#define CONFIG_INITRD_TAG |
||||
#define CONFIG_CMDLINE_TAG |
||||
|
||||
#define CONFIG_SYS_HUSH_PARSER |
||||
#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " |
||||
|
||||
#define CONFIG_CMDLINE_EDITING |
||||
|
||||
#ifdef CONFIG_CMDLINE_EDITING |
||||
#undef CONFIG_AUTO_COMPLETE |
||||
#else |
||||
#define CONFIG_AUTO_COMPLETE |
||||
#endif |
||||
|
||||
#endif /* __CONFIG_H */ |
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Reference in new issue