mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 17:58:23 +00:00
195 lines
7.3 KiB
C
195 lines
7.3 KiB
C
/*
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* Copyright (C) 2003 ETC s.r.o.
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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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* Written by Peter Figuli <peposh@etc.sk>, 2003.
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*
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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#define CONFIG_PXA250 1 /* this is an PXA250 CPU */
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#define CONFIG_WEPEP250 1 /* config for wepep250 board */
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#undef CONFIG_USE_IRQ /* don't need use IRQ/FIQ */
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/* we will never enable dcache, because we have to setup MMU first */
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#define CONFIG_SYS_NO_DCACHE
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/*
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* Select serial console configuration
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*/
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#define CONFIG_PXA_SERIAL
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#define CONFIG_BTUART 1 /* BTUART is default on WEP dev board */
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#define CONFIG_BAUDRATE 115200
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/*
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* BOOTP options
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*/
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#define CONFIG_BOOTP_BOOTFILESIZE
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#define CONFIG_BOOTP_BOOTPATH
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#define CONFIG_BOOTP_GATEWAY
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#define CONFIG_BOOTP_HOSTNAME
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/*
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* Command line configuration.
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*/
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#include <config_cmd_default.h>
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#undef CONFIG_CMD_CONSOLE
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#undef CONFIG_CMD_LOADS
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#undef CONFIG_CMD_NET
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#undef CONFIG_CMD_SOURCE
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/*
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* Boot options. Setting delay to -1 stops autostart count down.
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* NOTE: Sending parameters to kernel depends on kernel version and
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* 2.4.19-rmk6-pxa1 patch used while my u-boot coding didn't accept
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* parameters at all! Do not get confused by them so.
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*/
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#define CONFIG_BOOTDELAY -1
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#define CONFIG_BOOTARGS "root=/dev/mtdblock2 mem=32m console=ttyS01,115200n8"
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#define CONFIG_BOOTCOMMAND "bootm 40000"
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/*
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* General options for u-boot. Modify to save memory foot print
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*/
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#define CONFIG_SYS_LONGHELP /* undef saves memory */
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#define CONFIG_SYS_PROMPT "WEP> " /* prompt string */
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#define CONFIG_SYS_CBSIZE 256 /* console I/O buffer */
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* print buffer size */
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#define CONFIG_SYS_MAXARGS 16 /* max command args */
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* boot args buf size */
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#define CONFIG_SYS_MEMTEST_START 0xa0400000 /* memtest test area */
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#define CONFIG_SYS_MEMTEST_END 0xa0800000
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#define CONFIG_SYS_HZ 1000
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#define CONFIG_SYS_CPUSPEED 0x141 /* core clock - register value */
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#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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/*
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* Definitions related to passing arguments to kernel.
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*/
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#define CONFIG_CMDLINE_TAG 1 /* send commandline to Kernel */
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#define CONFIG_SETUP_MEMORY_TAGS 1 /* send memory definition to kernel */
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#undef CONFIG_INITRD_TAG /* do not send initrd params */
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#undef CONFIG_VFD /* do not send framebuffer setup */
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/*
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* Malloc pool need to host env + 128 Kb reserve for other allocations.
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*/
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#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128<<10) )
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#define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
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#define CONFIG_STACKSIZE (120<<10) /* stack size */
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#ifdef CONFIG_USE_IRQ
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#define CONFIG_STACKSIZE_IRQ (4<<10) /* IRQ stack */
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#define CONFIG_STACKSIZE_FIQ (4<<10) /* FIQ stack */
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#endif
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/*
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* SDRAM Memory Map
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*/
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#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of SDRAM */
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#define WEP_SDRAM_1 0xa0000000 /* SDRAM bank #1 */
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#define WEP_SDRAM_1_SIZE 0x02000000 /* 32 MB ( 2 chip ) */
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#define WEP_SDRAM_2 0xa2000000 /* SDRAM bank #2 */
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#define WEP_SDRAM_2_SIZE 0x00000000 /* 0 MB */
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#define WEP_SDRAM_3 0xa8000000 /* SDRAM bank #3 */
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#define WEP_SDRAM_3_SIZE 0x00000000 /* 0 MB */
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#define WEP_SDRAM_4 0xac000000 /* SDRAM bank #4 */
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#define WEP_SDRAM_4_SIZE 0x00000000 /* 0 MB */
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#define CONFIG_SYS_DRAM_BASE 0xa0000000
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#define CONFIG_SYS_DRAM_SIZE 0x02000000
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/* Uncomment used SDRAM chip */
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#define WEP_SDRAM_K4S281633
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/*#define WEP_SDRAM_K4S561633*/
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/*
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* Configuration for FLASH memory
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*/
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#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* FLASH banks count (not chip count)*/
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#define CONFIG_SYS_MAX_FLASH_SECT 128 /* number of sector in FLASH bank */
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#define WEP_FLASH_BUS_WIDTH 4 /* we use 32 bit FLASH memory... */
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#define WEP_FLASH_INTERLEAVE 2 /* ... made of 2 chips */
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#define WEP_FLASH_BANK_SIZE 0x2000000 /* size of one flash bank*/
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#define WEP_FLASH_SECT_SIZE 0x0040000 /* size of erase sector */
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#define WEP_FLASH_BASE 0x0000000 /* location of flash memory */
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#define WEP_FLASH_UNLOCK 1 /* perform hw unlock first */
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/* This should be defined if CFI FLASH device is present. Actually benefit
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is not so clear to me. In other words we can provide more informations
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to user, but this expects more complex flash handling we do not provide
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now.*/
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#undef CONFIG_SYS_FLASH_CFI
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#define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) /* timeout for Erase operation */
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#define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) /* timeout for Write operation */
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#define CONFIG_SYS_FLASH_BASE WEP_FLASH_BASE
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/*
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* This is setting for JFFS2 support in u-boot.
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* Right now there is no gain for user, but later on booting kernel might be
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* possible. Consider using XIP kernel running from flash to save RAM
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* footprint.
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* NOTE: Enable CONFIG_CMD_JFFS2 for JFFS2 support.
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*/
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#define CONFIG_SYS_JFFS2_FIRST_BANK 0
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#define CONFIG_SYS_JFFS2_FIRST_SECTOR 5
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#define CONFIG_SYS_JFFS2_NUM_BANKS 1
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/*
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* Environment setup. Definitions of monitor location and size with
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* definition of environment setup ends up in 2 possibilities.
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* 1. Embeded environment - in u-boot code is space for environment
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* 2. Environment is read from predefined sector of flash
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* Right now we support 2. possiblity, but expecting no env placed
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* on mentioned address right now. This also needs to provide whole
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* sector for it - for us 256Kb is really waste of memory. U-boot uses
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* default env. and until kernel parameters could be sent to kernel
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* env. has no sense to us.
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*/
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#define CONFIG_SYS_MONITOR_BASE PHYS_FLASH_1
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#define CONFIG_SYS_MONITOR_LEN 0x20000 /* 128kb ( 1 flash sector ) */
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#define CONFIG_ENV_IS_IN_FLASH 1
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#define CONFIG_ENV_ADDR 0x20000 /* absolute address for now */
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#define CONFIG_ENV_SIZE 0x2000
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#undef CONFIG_ENV_OVERWRITE /* env is not writable now */
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/*
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* Well this has to be defined, but on the other hand it is used differently
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* one may expect. For instance loadb command do not cares :-)
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* So advice is - do not relay on this...
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*/
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#define CONFIG_SYS_LOAD_ADDR 0x40000
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#endif /* __CONFIG_H */
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