150 lines
4.9 KiB
C
150 lines
4.9 KiB
C
/*
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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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* Configuation settings for the EP7312 board.
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*
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* Modified to work on Armadillo HT1070 ARM720T board
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* (C) Copyright 2005 Rowel Atienza rowel@diwalabs.com
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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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#ifndef __CONFIG_H
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#define __CONFIG_H
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/*
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* If we are developing, we might want to start armboot from ram
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* so we MUST NOT initialize critical regs like mem-timing ...
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*/
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/*#define CONFIG_INIT_CRITICAL*/ /* undef for developing */
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/*
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* High Level Configuration Options
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* (easy to change)
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*/
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#define CONFIG_ARM7 1 /* This is a ARM7 CPU */
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#define CONFIG_ARMADILLO 1 /* on an Armadillo Board */
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#define CONFIG_ARM_THUMB 1 /* this is an ARM720TDMI */
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#undef CONFIG_ARM7_REVD /* disable ARM720 REV.D Workarounds */
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#undef CONFIG_USE_IRQ /* don't need them anymore */
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/*
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* Size of malloc() pool
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*/
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#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
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#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
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/*
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* Hardware drivers
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*/
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#define CONFIG_DRIVER_CS8900 1 /* we have a CS8900 on-board */
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#define CS8900_BASE 0x20000300 /* armadillo board */
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#define CS8900_BUS16 1
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#undef CS8900_BUS32
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/*
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* select serial console configuration
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*/
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#define CONFIG_SERIAL1 1 /* we use Serial line 1 */
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/* allow to overwrite serial and ethaddr */
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#define CONFIG_ENV_OVERWRITE
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#define CONFIG_BAUDRATE 115200
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#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
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#define CONFIG_COMMANDS (CONFIG_CMD_DFL) /* | CFG_CMD_JFFS2)*/
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/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
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#include <cmd_confdefs.h>
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#define CONFIG_BOOTDELAY 3
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#define CONFIG_BOOTARGS "root=/dev/ram0 rootfstype=ext2 console=ttyAM0,115200"
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#define CONFIG_BOOTCOMMAND "bootm 40000 180000"
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/*
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* Miscellaneous configurable options
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*/
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#define CFG_LONGHELP /* undef to save memory */
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#define CFG_PROMPT "ARMADILLO # " /* Monitor Command Prompt */
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#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
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#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
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#define CFG_MAXARGS 16 /* max number of command args */
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#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
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#define CFG_MEMTEST_START 0xc0400000 /* memtest works on */
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#define CFG_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */
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#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
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#define CFG_LOAD_ADDR 0x00040000 /* default load address for armadillo: kernel img is here*/
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#define CFG_HZ 2000 /* decrementer freq: 2 kHz */
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/* valid baudrates */
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#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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/*-----------------------------------------------------------------------
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* Stack sizes
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*
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* The stack sizes are set up in start.S using the settings below
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*/
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#define CONFIG_STACKSIZE (128*1024) /* regular stack */
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#ifdef CONFIG_USE_IRQ
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#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
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#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
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#endif
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/*-----------------------------------------------------------------------
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* Physical Memory Map
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*/
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#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
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#define PHYS_SDRAM_1 0xc0000000 /* SDRAM Bank #1 */
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#define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB armadillo SDRAM */
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#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
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#define PHYS_FLASH_SIZE 0x00400000 /* 4 MB */
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#define CFG_FLASH_BASE PHYS_FLASH_1
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/*-----------------------------------------------------------------------
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* FLASH and environment organization
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*/
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#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
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#define CFG_MAX_FLASH_SECT 512 /* max number of sectors on one chip */
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/* timeout values are in ticks */
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#define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
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#define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
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#define CFG_ENV_IS_IN_FLASH 1
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#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x20000) /* Addr of Environment Sector */
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#define CFG_ENV_SIZE 0x20000 /* Total Size of Environment Sector */
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#define CONFIG_CMDLINE_TAG
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#define CONFIG_SETUP_MEMORY_TAGS
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#define CONFIG_INITRD_TAG
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#endif /* __CONFIG_H */
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