| /* |
| * (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 |
| |
| #undef DEBUG |
| |
| /* |
| * 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_INIT_CRITICAL) 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 */ |
| |
| #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 CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024) |
| #define CFG_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_SERIAL3 1 /* we use SERIAL 3 on ADS GCPlus */ |
| |
| /* allow to overwrite serial and ethaddr */ |
| #define CONFIG_ENV_OVERWRITE |
| |
| #define CONFIG_BAUDRATE 38400 |
| |
| #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_DHCP) |
| #define CONFIG_BOOTP_MASK CONFIG_BOOTP_DEFAULT |
| |
| /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ |
| #include <cmd_confdefs.h> |
| |
| #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 CFG_AUTOLOAD "n" /* No autoload */ |
| |
| #if (CONFIG_COMMANDS & CFG_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 CFG_LONGHELP /* undef to save memory */ |
| #define CFG_PROMPT "ADS GCPlus # " /* 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 0xc0400000 /* memtest works on */ |
| #define CFG_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */ |
| |
| #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ |
| |
| #define CFG_LOAD_ADDR 0xc0000000 /* default load address */ |
| |
| #define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */ |
| #define CFG_CPUSPEED 0x0a /* set core clock to 206MHz */ |
| |
| /* 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 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 CFG_FLASH_BASE PHYS_FLASH_1 |
| |
| /*----------------------------------------------------------------------- |
| * FLASH and environment organization |
| */ |
| #if 1 |
| #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
| #define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ |
| |
| /* timeout values are in ticks */ |
| #define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */ |
| #define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */ |
| #else |
| /* REVISIT: This doesn't work on ADS GCPlus just yet: */ |
| #define CFG_FLASH_CFI 1 /* flash is CFI conformant */ |
| #define CFG_FLASH_CFI_DRIVER 1 /* use common cfi driver */ |
| #define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */ |
| #define CFG_MAX_FLASH_BANKS 1 /* max # of memory banks */ |
| #define CFG_FLASH_INCREMENT 0 /* there is only one bank */ |
| #define CFG_MAX_FLASH_SECT 128 /* max # of sectors on one chip */ |
| /*#define CFG_FLASH_PROTECTION 1 /--* hardware flash protection */ |
| #define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE } |
| #endif |
| |
| #define CFG_ENV_IS_IN_FLASH 1 |
| #define CFG_ENV_ADDR (PHYS_FLASH_1 + PHYS_FLASH_SECT_SIZE) /* Addr of Environment Sector */ |
| #define CFG_ENV_SIZE PHYS_FLASH_SECT_SIZE |
| |
| #endif /* __CONFIG_H */ |
