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 EP7312 board. 7 * 8 * Modified to work on Armadillo HT1070 ARM720T board 9 * (C) Copyright 2005 Rowel Atienza rowel@diwalabs.com 10 * 11 * See file CREDITS for list of people who contributed to this 12 * project. 13 * 14 * This program is free software; you can redistribute it and/or 15 * modify it under the terms of the GNU General Public License as 16 * published by the Free Software Foundation; either version 2 of 17 * the License, or (at your option) any later version. 18 * 19 * This program is distributed in the hope that it will be useful, 20 * but WITHOUT ANY WARRANTY; without even the implied warranty of 21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 22 * GNU General Public License for more details. 23 * 24 * You should have received a copy of the GNU General Public License 25 * along with this program; if not, write to the Free Software 26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 27 * MA 02111-1307 USA 28 */ 29 30 #ifndef __CONFIG_H 31 #define __CONFIG_H 32 33 /* 34 * If we are developing, we might want to start armboot from ram 35 * so we MUST NOT initialize critical regs like mem-timing ... 36 */ 37 #undef CONFIG_SKIP_LOWLEVEL_INIT 38 39 /* 40 * High Level Configuration Options 41 * (easy to change) 42 */ 43 #define CONFIG_ARM7 1 /* This is a ARM7 CPU */ 44 #define CONFIG_ARMADILLO 1 /* on an Armadillo Board */ 45 #define CONFIG_ARM_THUMB 1 /* this is an ARM720TDMI */ 46 #undef CONFIG_ARM7_REVD /* disable ARM720 REV.D Workarounds */ 47 48 #undef CONFIG_USE_IRQ /* don't need them anymore */ 49 50 /* 51 * Size of malloc() pool 52 */ 53 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024) 54 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ 55 56 /* 57 * Hardware drivers 58 */ 59 #define CONFIG_NET_MULTI 60 #define CONFIG_CS8900 /* we have a CS8900 on-board */ 61 #define CONFIG_CS8900_BASE 0x20000300 /* armadillo board */ 62 #define CONFIG_CS8900_BUS16 63 #undef CONFIG_CS8900_BUS32 64 65 /* 66 * select serial console configuration 67 */ 68 #define CONFIG_CLPS7111_SERIAL 69 #define CONFIG_SERIAL1 1 /* we use Serial line 1 */ 70 71 /* allow to overwrite serial and ethaddr */ 72 #define CONFIG_ENV_OVERWRITE 73 74 #define CONFIG_BAUDRATE 115200 75 76 /* 77 * BOOTP options 78 */ 79 #define CONFIG_BOOTP_SUBNETMASK 80 #define CONFIG_BOOTP_GATEWAY 81 #define CONFIG_BOOTP_HOSTNAME 82 #define CONFIG_BOOTP_BOOTPATH 83 #define CONFIG_BOOTP_BOOTFILESIZE 84 85 86 /* 87 * Command line configuration. 88 */ 89 #include <config_cmd_default.h> 90 91 92 #define CONFIG_BOOTDELAY 3 93 #define CONFIG_BOOTARGS "root=/dev/ram0 rootfstype=ext2 console=ttyAM0,115200" 94 95 #define CONFIG_BOOTCOMMAND "bootm 40000 180000" 96 97 /* 98 * Miscellaneous configurable options 99 */ 100 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 101 #define CONFIG_SYS_PROMPT "ARMADILLO # " /* Monitor Command Prompt */ 102 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 103 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ 104 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ 105 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ 106 107 #define CONFIG_SYS_MEMTEST_START 0xc0400000 /* memtest works on */ 108 #define CONFIG_SYS_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */ 109 110 #define CONFIG_SYS_LOAD_ADDR 0x00040000 /* default load address for armadillo: kernel img is here*/ 111 112 #define CONFIG_SYS_HZ 2000 /* decrementer freq: 2 kHz */ 113 114 /* valid baudrates */ 115 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } 116 117 /*----------------------------------------------------------------------- 118 * Stack sizes 119 * 120 * The stack sizes are set up in start.S using the settings below 121 */ 122 #define CONFIG_STACKSIZE (128*1024) /* regular stack */ 123 #ifdef CONFIG_USE_IRQ 124 #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ 125 #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ 126 #endif 127 128 /*----------------------------------------------------------------------- 129 * Physical Memory Map 130 */ 131 #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ 132 #define PHYS_SDRAM_1 0xc0000000 /* SDRAM Bank #1 */ 133 #define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB armadillo SDRAM */ 134 135 #define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */ 136 #define PHYS_FLASH_SIZE 0x00400000 /* 4 MB */ 137 138 #define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1 139 140 /*----------------------------------------------------------------------- 141 * FLASH and environment organization 142 */ 143 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ 144 #define CONFIG_SYS_MAX_FLASH_SECT 512 /* max number of sectors on one chip */ 145 146 /* timeout values are in ticks */ 147 #define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Erase */ 148 #define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Write */ 149 150 #define CONFIG_ENV_IS_IN_FLASH 1 151 #define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0x20000) /* Addr of Environment Sector */ 152 #define CONFIG_ENV_SIZE 0x20000 /* Total Size of Environment Sector */ 153 154 #define CONFIG_CMDLINE_TAG 155 #define CONFIG_SETUP_MEMORY_TAGS 156 #define CONFIG_INITRD_TAG 157 158 #endif /* __CONFIG_H */ 159