/* * (C) Copyright 2002 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> * Marius Groeger <mgroeger@sysgo.de> * * 2003-2004 (c) MontaVista Software, Inc. * * Configuation settings for the ADS GraphicsClient+ board. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #ifndef __CONFIG_H #define __CONFIG_H /* * The ADS GCPlus Linux boot ROM loads U-Boot into RAM at 0xc0200000. * We don't actually init RAM in this case since we're using U-Boot as * an secondary boot loader during Linux kernel development and testing, * e.g. bootp/tftp download of the kernel is a far more convenient * when testing new kernels on this target. However the ADS GCPlus Linux * boot ROM leaves the MMU enabled when it passes control to U-Boot. So * we use lowlevel_init (!CONFIG_SKIP_LOWLEVEL_INIT) to remedy that problem. */ #undef CONFIG_SKIP_LOWLEVEL_INIT #define CONFIG_SKIP_RELOCATE_UBOOT 1 /* * High Level Configuration Options * (easy to change) */ #define CONFIG_SA1110 1 /* This is an SA1100 CPU */ #define CONFIG_GCPLUS 1 /* on an ADS GCPlus Board */ #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ /* we will never enable dcache, because we have to setup MMU first */ #define CONFIG_SYS_NO_DCACHE #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ #define CONFIG_SETUP_MEMORY_TAGS 1 #define CONFIG_INITRD_TAG 1 /* * Size of malloc() pool */ #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024) #define CONFIG_SYS_GBL_DATA_SIZE 128 /* size rsrvd for initial data */ /* * Hardware drivers */ #define CONFIG_DRIVER_LAN91C96 /* we have an SMC9194 on-board */ #define CONFIG_LAN91C96_BASE 0x100e0000 /* * select serial console configuration */ #define CONFIG_SA1100_SERIAL #define CONFIG_SERIAL3 1 /* we use SERIAL 3 on ADS GCPlus */ /* allow to overwrite serial and ethaddr */ #define CONFIG_ENV_OVERWRITE #define CONFIG_BAUDRATE 38400 /* * Command line configuration. */ #include <config_cmd_default.h> #define CONFIG_CMD_DHCP /* * BOOTP options */ #define CONFIG_BOOTP_SUBNETMASK #define CONFIG_BOOTP_GATEWAY #define CONFIG_BOOTP_HOSTNAME #define CONFIG_BOOTP_BOOTPATH #define CONFIG_BOOTDELAY 3 #define CONFIG_BOOTARGS "console=ttySA0,38400n8 mtdparts=sa1100-flash:1m@0(zImage),3m@1m(ramdisk.gz),12m@4m(userfs) root=/dev/nfs ip=bootp" #define CONFIG_BOOTCOMMAND "bootp;tftp;bootm" #define CONFIG_SYS_AUTOLOAD "n" /* No autoload */ #if defined(CONFIG_CMD_KGDB) #define CONFIG_KGDB_BAUDRATE 38400 /* speed to run kgdb serial port */ #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ #endif /* * Miscellaneous configurable options */ #define CONFIG_SYS_LONGHELP /* undef to save memory */ #define CONFIG_SYS_PROMPT "ADS GCPlus # " /* Monitor Command Prompt */ #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ #define CONFIG_SYS_MEMTEST_START 0xc0400000 /* memtest works on */ #define CONFIG_SYS_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */ #define CONFIG_SYS_LOAD_ADDR 0xc0000000 /* default load address */ #define CONFIG_SYS_HZ 3686400 /* incrementer freq: 3.6864 MHz */ #define CONFIG_SYS_CPUSPEED 0x0a /* set core clock to 206MHz */ /* valid baudrates */ #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } /*----------------------------------------------------------------------- * Stack sizes * * The stack sizes are set up in start.S using the settings below */ #define CONFIG_STACKSIZE (128*1024) /* regular stack */ #ifdef CONFIG_USE_IRQ #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ #endif /*----------------------------------------------------------------------- * Physical Memory Map */ #define CONFIG_NR_DRAM_BANKS 2 /* we have 2 banks of DRAM */ #define PHYS_SDRAM_1 0xc0000000 /* SDRAM Bank #1 */ #define PHYS_SDRAM_1_SIZE 0x01000000 /* 16 MB */ #define PHYS_SDRAM_2 0xc8000000 /* SDRAM Bank #2 */ #define PHYS_SDRAM_2_SIZE 0x01000000 /* 16 MB */ #define PHYS_FLASH_1 0x08000000 /* Flash Bank #1 */ #define PHYS_FLASH_SIZE 0x00800000 /* 8 MB */ #define PHYS_FLASH_BANK_SIZE 0x01000000 /* 16 MB Banks */ #define PHYS_FLASH_SECT_SIZE 0x00040000 /* 256 KB sectors (x2) */ #define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1 /*----------------------------------------------------------------------- * FLASH and environment organization */ #if 1 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ #define CONFIG_SYS_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ /* timeout values are in ticks */ #define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Erase */ #define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Write */ #else /* REVISIT: This doesn't work on ADS GCPlus just yet: */ #define CONFIG_SYS_FLASH_CFI 1 /* flash is CFI conformant */ #define CONFIG_FLASH_CFI_DRIVER 1 /* use common cfi driver */ #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */ #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max # of memory banks */ #define CONFIG_SYS_FLASH_INCREMENT 0 /* there is only one bank */ #define CONFIG_SYS_MAX_FLASH_SECT 128 /* max # of sectors on one chip */ /*#define CONFIG_SYS_FLASH_PROTECTION 1 /--* hardware flash protection */ #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE } #endif #define CONFIG_ENV_IS_IN_FLASH 1 #define CONFIG_ENV_ADDR (PHYS_FLASH_1 + PHYS_FLASH_SECT_SIZE) /* Addr of Environment Sector */ #define CONFIG_ENV_SIZE PHYS_FLASH_SECT_SIZE #endif /* __CONFIG_H */