1/* 2 * (C) Copyright 2000 3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com> 4 * Marius Groeger <mgroeger@sysgo.de> 5 * 6 * Configuation settings for the implementa impA7 board. 7 * 8 * See file CREDITS for list of people who contributed to this 9 * project. 10 * 11 * This program is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU General Public License as 13 * published by the Free Software Foundation; either version 2 of 14 * the License, or (at your option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 24 * MA 02111-1307 USA 25 */ 26 27#ifndef __CONFIG_H 28#define __CONFIG_H 29 30/* 31 * High Level Configuration Options 32 * (easy to change) 33 */ 34#define CONFIG_ARM7 1 /* This is a ARM7 CPU */ 35#define CONFIG_IMPA7 1 /* on an impA7 Board */ 36#define CONFIG_ARM_THUMB 1 /* this is an ARM720TDMI */ 37#define CONFIG_ARM7_REVD 1 /* enable ARM720 REV.D Workarounds */ 38 39#undef CONFIG_USE_IRQ /* don't need them anymore */ 40 41/* 42 * Size of malloc() pool 43 */ 44#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024) 45#define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ 46 47/* 48 * Hardware drivers 49 */ 50#define CONFIG_DRIVER_CS8900 1 /* we have a CS8900 on-board */ 51#define CS8900_BASE 0x20000000 52#define CS8900_BUS32 1 53 54/* 55 * select serial console configuration 56 */ 57#define CONFIG_SERIAL1 1 /* we use Serial line 1 */ 58 59/* allow to overwrite serial and ethaddr */ 60#define CONFIG_ENV_OVERWRITE 61 62#define CONFIG_BAUDRATE 9600 63 64/* 65 * BOOTP options 66 */ 67#define CONFIG_BOOTP_SUBNETMASK 68#define CONFIG_BOOTP_GATEWAY 69#define CONFIG_BOOTP_HOSTNAME 70#define CONFIG_BOOTP_BOOTPATH 71#define CONFIG_BOOTP_BOOTFILESIZE 72 73 74/* 75 * Command line configuration. 76 */ 77#include <config_cmd_default.h> 78 79#define CONFIG_CMD_JFFS2 80 81 82#define CONFIG_BOOTDELAY 3 83#define CONFIG_BOOTARGS "devfs=mount root=ramfs console=ttyS0,9600" 84/*#define CONFIG_ETHADDR 08:00:3e:26:0a:5a */ 85/*#define CONFIG_NETMASK 255.255.0.0 */ 86/*#define CONFIG_IPADDR 172.22.2.128 */ 87/*#define CONFIG_SERVERIP 172.22.2.126 */ 88/*#define CONFIG_BOOTFILE "impa7" */ 89#define CONFIG_BOOTCOMMAND "bootp;bootm" 90 91#if defined(CONFIG_CMD_KGDB) 92#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */ 93#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ 94#endif 95 96/* 97 * Miscellaneous configurable options 98 */ 99#define CONFIG_SYS_LONGHELP /* undef to save memory */ 100#define CONFIG_SYS_PROMPT "impA7 # " /* Monitor Command Prompt */ 101#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 102#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ 103#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ 104#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ 105 106#define CONFIG_SYS_MEMTEST_START 0xc0400000 /* memtest works on */ 107#define CONFIG_SYS_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */ 108 109#undef CONFIG_SYS_CLKS_IN_HZ /* everything, incl board info, in Hz */ 110 111#define CONFIG_SYS_LOAD_ADDR 0xc1000000 /* default load address */ 112 113#define CONFIG_SYS_HZ 2000 /* decrementer freq: 2 kHz */ 114 115 /* valid baudrates */ 116#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } 117 118/*----------------------------------------------------------------------- 119 * Stack sizes 120 * 121 * The stack sizes are set up in start.S using the settings below 122 */ 123#define CONFIG_STACKSIZE (128*1024) /* regular stack */ 124#ifdef CONFIG_USE_IRQ 125#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ 126#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ 127#endif 128 129/*----------------------------------------------------------------------- 130 * Physical Memory Map 131 */ 132#define CONFIG_NR_DRAM_BANKS 2 /* we have 2 banks of DRAM */ 133#define PHYS_SDRAM_1 0xc0000000 /* SDRAM Bank #1 */ 134#define PHYS_SDRAM_1_SIZE 0x00800000 /* 8 MB */ 135#define PHYS_SDRAM_2 0xc1000000 /* SDRAM Bank #2 */ 136#define PHYS_SDRAM_2_SIZE 0x00800000 /* 8 MB */ 137 138#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */ 139#define PHYS_FLASH_2 0x10000000 /* Flash Bank #2 */ 140#define PHYS_FLASH_SIZE 0x00800000 /* 16 MB */ 141 142#define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1 143 144/*----------------------------------------------------------------------- 145 * FLASH and environment organization 146 */ 147#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */ 148#define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */ 149 150/* timeout values are in ticks */ 151#define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Erase */ 152#define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Write */ 153 154#define CONFIG_ENV_IS_IN_FLASH 1 155#define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0x1C000) /* Addr of Environment Sector */ 156#define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ 157 158/* 159 * JFFS2 partitions 160 * 161 */ 162/* No command line, one static partition, whole device */ 163#undef CONFIG_JFFS2_CMDLINE 164#define CONFIG_JFFS2_DEV "nor0" 165#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF 166#define CONFIG_JFFS2_PART_OFFSET 0x00020000 167 168/* mtdparts command line support */ 169/* 170#define CONFIG_JFFS2_CMDLINE 171#define MTDIDS_DEFAULT "nor0=impA7 NOR Flash Bank #0,nor1=impA7 NOR Flash Bank #1" 172#define MTDPARTS_DEFAULT "mtdparts=impA7 NOR Flash Bank #0:-(FileSystem1);impA7 NOR Flash Bank #1:-(FileSystem2)" 173*/ 174 175#endif /* __CONFIG_H */ 176