Wolfgang Denk | 4dc1146 | 2005-09-26 01:06:33 +0200 | [diff] [blame] | 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 | /*#define CONFIG_INIT_CRITICAL*/ /* undef for developing */ |
| 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 CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024) |
| 54 | #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ |
| 55 | |
| 56 | /* |
| 57 | * Hardware drivers |
| 58 | */ |
| 59 | #define CONFIG_DRIVER_CS8900 1 /* we have a CS8900 on-board */ |
| 60 | #define CS8900_BASE 0x20000300 /* armadillo board */ |
| 61 | #define CS8900_BUS16 1 |
| 62 | #undef CS8900_BUS32 |
| 63 | |
| 64 | /* |
| 65 | * select serial console configuration |
| 66 | */ |
| 67 | #define CONFIG_SERIAL1 1 /* we use Serial line 1 */ |
| 68 | |
| 69 | /* allow to overwrite serial and ethaddr */ |
| 70 | #define CONFIG_ENV_OVERWRITE |
| 71 | |
| 72 | #define CONFIG_BAUDRATE 115200 |
| 73 | |
| 74 | #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE) |
| 75 | |
| 76 | #define CONFIG_COMMANDS (CONFIG_CMD_DFL) /* | CFG_CMD_JFFS2)*/ |
| 77 | |
| 78 | /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ |
| 79 | #include <cmd_confdefs.h> |
| 80 | |
| 81 | #define CONFIG_BOOTDELAY 3 |
| 82 | #define CONFIG_BOOTARGS "root=/dev/ram0 rootfstype=ext2 console=ttyAM0,115200" |
| 83 | |
| 84 | #define CONFIG_BOOTCOMMAND "bootm 40000 180000" |
| 85 | |
| 86 | /* |
| 87 | * Miscellaneous configurable options |
| 88 | */ |
| 89 | #define CFG_LONGHELP /* undef to save memory */ |
| 90 | #define CFG_PROMPT "ARMADILLO # " /* Monitor Command Prompt */ |
| 91 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
| 92 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ |
| 93 | #define CFG_MAXARGS 16 /* max number of command args */ |
| 94 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
| 95 | |
| 96 | #define CFG_MEMTEST_START 0xc0400000 /* memtest works on */ |
| 97 | #define CFG_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */ |
| 98 | |
| 99 | #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ |
| 100 | |
| 101 | #define CFG_LOAD_ADDR 0x00040000 /* default load address for armadillo: kernel img is here*/ |
| 102 | |
| 103 | #define CFG_HZ 2000 /* decrementer freq: 2 kHz */ |
| 104 | |
| 105 | /* valid baudrates */ |
| 106 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
| 107 | |
| 108 | /*----------------------------------------------------------------------- |
| 109 | * Stack sizes |
| 110 | * |
| 111 | * The stack sizes are set up in start.S using the settings below |
| 112 | */ |
| 113 | #define CONFIG_STACKSIZE (128*1024) /* regular stack */ |
| 114 | #ifdef CONFIG_USE_IRQ |
| 115 | #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ |
| 116 | #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ |
| 117 | #endif |
| 118 | |
| 119 | /*----------------------------------------------------------------------- |
| 120 | * Physical Memory Map |
| 121 | */ |
| 122 | #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ |
| 123 | #define PHYS_SDRAM_1 0xc0000000 /* SDRAM Bank #1 */ |
| 124 | #define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB armadillo SDRAM */ |
| 125 | |
| 126 | #define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */ |
| 127 | #define PHYS_FLASH_SIZE 0x00400000 /* 4 MB */ |
| 128 | |
| 129 | #define CFG_FLASH_BASE PHYS_FLASH_1 |
| 130 | |
| 131 | /*----------------------------------------------------------------------- |
| 132 | * FLASH and environment organization |
| 133 | */ |
| 134 | #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
| 135 | #define CFG_MAX_FLASH_SECT 512 /* max number of sectors on one chip */ |
| 136 | |
| 137 | /* timeout values are in ticks */ |
| 138 | #define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */ |
| 139 | #define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */ |
| 140 | |
| 141 | #define CFG_ENV_IS_IN_FLASH 1 |
| 142 | #define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x20000) /* Addr of Environment Sector */ |
| 143 | #define CFG_ENV_SIZE 0x20000 /* Total Size of Environment Sector */ |
| 144 | |
| 145 | #define CONFIG_CMDLINE_TAG |
| 146 | #define CONFIG_SETUP_MEMORY_TAGS |
| 147 | #define CONFIG_INITRD_TAG |
| 148 | |
| 149 | #endif /* __CONFIG_H */ |