wdenk | 48c0010 | 2002-10-26 17:39:47 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2002 |
| 3 | * Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
| 4 | * Marius Groeger <mgroeger@sysgo.de> |
| 5 | * Gary Jennejohn <gj@denx.de> |
| 6 | * |
| 7 | * Configuation settings for the SAMSUNG board. |
| 8 | * |
| 9 | * See file CREDITS for list of people who contributed to this |
| 10 | * project. |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or |
| 13 | * modify it under the terms of the GNU General Public License as |
| 14 | * published by the Free Software Foundation; either version 2 of |
| 15 | * the License, or (at your option) any later version. |
| 16 | * |
| 17 | * This program is distributed in the hope that it will be useful, |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | * GNU General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License |
| 23 | * along with this program; if not, write to the Free Software |
| 24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 25 | * MA 02111-1307 USA |
| 26 | */ |
| 27 | |
| 28 | #ifndef __CONFIG_H |
| 29 | #define __CONFIG_H |
| 30 | |
| 31 | /* |
| 32 | * If we are developing, we might want to start armboot from ram |
| 33 | * so we MUST NOT initialize critical regs like mem-timing ... |
| 34 | */ |
| 35 | #define CONFIG_INIT_CRITICAL /* undef for developing */ |
| 36 | |
| 37 | /* |
| 38 | * High Level Configuration Options |
| 39 | * (easy to change) |
| 40 | */ |
| 41 | #define CONFIG_ARM920T 1 /* This is an ARM920T core */ |
| 42 | #define CONFIG_S3C2400 1 /* in a SAMSUNG S3C2400 SoC */ |
| 43 | #define CONFIG_SMDK2400 1 /* on an SAMSUNG SMDK2400 Board */ |
| 44 | |
| 45 | /* input clock of PLL */ |
wdenk | 7f6c2cb | 2002-11-10 22:06:23 +0000 | [diff] [blame] | 46 | #define CONFIG_SYS_CLK_FREQ 12000000 /* SMDK2400 has 12 MHz input clock */ |
wdenk | 48c0010 | 2002-10-26 17:39:47 +0000 | [diff] [blame] | 47 | #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ |
| 48 | |
| 49 | #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ |
| 50 | #define CONFIG_SETUP_MEMORY_TAGS 1 |
| 51 | #define CONFIG_INITRD_TAG 1 |
| 52 | |
| 53 | |
| 54 | /* |
| 55 | * Size of malloc() pool |
| 56 | */ |
wdenk | 699b13a | 2002-11-03 18:03:52 +0000 | [diff] [blame] | 57 | #define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024) |
wdenk | a8c7c70 | 2003-12-06 19:49:23 +0000 | [diff] [blame] | 58 | #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ |
wdenk | 48c0010 | 2002-10-26 17:39:47 +0000 | [diff] [blame] | 59 | |
| 60 | /* |
| 61 | * Hardware drivers |
| 62 | */ |
| 63 | #define CONFIG_DRIVER_CS8900 1 /* we have a CS8900 on-board */ |
| 64 | #define CS8900_BASE 0x07000300 /* agrees with WIN CE PA */ |
| 65 | #define CS8900_BUS16 1 /* the Linux driver does accesses as shorts */ |
| 66 | |
| 67 | /* |
| 68 | * select serial console configuration |
| 69 | */ |
| 70 | #define CONFIG_SERIAL1 1 /* we use SERIAL 1 on SAMSUNG */ |
| 71 | |
| 72 | #undef CONFIG_HWFLOW /* include RTS/CTS flow control support */ |
| 73 | |
| 74 | #undef CONFIG_MODEM_SUPPORT /* enable modem initialization stuff */ |
| 75 | |
| 76 | /* |
| 77 | * The following enables modem debugging stuff. The dbg() and |
| 78 | * 'char screen[1024]' are used for debug printfs. Unfortunately, |
| 79 | * it is usable only from BDI |
| 80 | */ |
| 81 | #undef CONFIG_MODEM_SUPPORT_DEBUG |
| 82 | |
| 83 | /* allow to overwrite serial and ethaddr */ |
| 84 | #define CONFIG_ENV_OVERWRITE |
| 85 | |
| 86 | #define CONFIG_BAUDRATE 115200 |
| 87 | |
| 88 | #define CONFIG_TIMESTAMP 1 /* Print timestamp info for images */ |
| 89 | |
wdenk | 48b4261 | 2003-06-19 23:01:32 +0000 | [diff] [blame] | 90 | /* Use s3c2400's RTC */ |
| 91 | #define CONFIG_RTC_S3C24X0 1 |
| 92 | |
wdenk | 48c0010 | 2002-10-26 17:39:47 +0000 | [diff] [blame] | 93 | #ifndef USE_920T_MMU |
wdenk | 48b4261 | 2003-06-19 23:01:32 +0000 | [diff] [blame] | 94 | #define CONFIG_COMMANDS_tmp ((CONFIG_CMD_DFL & ~CFG_CMD_CACHE) | \ |
| 95 | CFG_CMD_DATE) |
wdenk | 48c0010 | 2002-10-26 17:39:47 +0000 | [diff] [blame] | 96 | #else |
wdenk | 48b4261 | 2003-06-19 23:01:32 +0000 | [diff] [blame] | 97 | #define CONFIG_COMMANDS_tmp (CONFIG_CMD_DFL | CFG_CMD_DATE) |
wdenk | 48c0010 | 2002-10-26 17:39:47 +0000 | [diff] [blame] | 98 | #endif |
| 99 | |
| 100 | #ifdef CONFIG_HWFLOW |
| 101 | #define CONFIG_COMMANDS (CONFIG_COMMANDS_tmp | CFG_CMD_HWFLOW) |
| 102 | #else |
| 103 | #define CONFIG_COMMANDS CONFIG_COMMANDS_tmp |
| 104 | #endif |
| 105 | |
| 106 | /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ |
| 107 | #include <cmd_confdefs.h> |
| 108 | |
| 109 | #define CONFIG_BOOTDELAY 3 |
| 110 | #if 0 |
| 111 | #define CONFIG_BOOTARGS "root=ramfs devfs=mount console=ttySA0,9600" |
| 112 | #define CONFIG_ETHADDR 08:00:3e:26:0a:5b |
| 113 | #endif |
| 114 | #define CONFIG_NETMASK 255.255.255.0 |
| 115 | #define CONFIG_IPADDR 134.98.93.36 |
| 116 | #define CONFIG_SERVERIP 134.98.93.22 |
| 117 | #if 0 |
| 118 | #define CONFIG_BOOTFILE "elinos-lart" |
| 119 | #define CONFIG_BOOTCOMMAND "tftp; bootm" |
| 120 | #endif |
| 121 | |
| 122 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
| 123 | #define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port */ |
| 124 | /* what's this ? it's not used anywhere */ |
| 125 | #define CONFIG_KGDB_SER_INDEX 1 /* which serial port to use */ |
| 126 | #endif |
| 127 | |
| 128 | /* |
| 129 | * Miscellaneous configurable options |
| 130 | */ |
| 131 | #define CFG_LONGHELP /* undef to save memory */ |
| 132 | #define CFG_PROMPT "SMDK2400 # " /* Monitor Command Prompt */ |
| 133 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
| 134 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ |
| 135 | #define CFG_MAXARGS 16 /* max number of command args */ |
| 136 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
| 137 | |
| 138 | #define CFG_MEMTEST_START 0x0c000000 /* memtest works on */ |
| 139 | #define CFG_MEMTEST_END 0x0e000000 /* 32 MB in DRAM */ |
| 140 | |
| 141 | #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ |
| 142 | |
| 143 | #define CFG_LOAD_ADDR 0x0cf00000 /* default load address */ |
| 144 | |
| 145 | /* the PWM TImer 4 uses a counter of 15625 for 10 ms, so we need */ |
| 146 | /* it to wrap 100 times (total 1562500) to get 1 sec. */ |
| 147 | #define CFG_HZ 1562500 |
| 148 | |
| 149 | /* valid baudrates */ |
| 150 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
| 151 | |
| 152 | /*----------------------------------------------------------------------- |
| 153 | * Stack sizes |
| 154 | * |
| 155 | * The stack sizes are set up in start.S using the settings below |
| 156 | */ |
| 157 | #define CONFIG_STACKSIZE (128*1024) /* regular stack */ |
| 158 | #ifdef CONFIG_USE_IRQ |
| 159 | #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ |
| 160 | #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ |
| 161 | #endif |
| 162 | |
| 163 | /*----------------------------------------------------------------------- |
| 164 | * Physical Memory Map |
| 165 | */ |
| 166 | #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ |
| 167 | #define PHYS_SDRAM_1 0x0c000000 /* SDRAM Bank #1 */ |
| 168 | #define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB */ |
| 169 | |
wdenk | 6069ff2 | 2003-02-28 00:49:47 +0000 | [diff] [blame] | 170 | #define CFG_FLASH_BASE 0x00000000 /* Flash Bank #1 */ |
wdenk | 48c0010 | 2002-10-26 17:39:47 +0000 | [diff] [blame] | 171 | |
| 172 | /*----------------------------------------------------------------------- |
| 173 | * FLASH and environment organization |
| 174 | */ |
| 175 | #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
| 176 | #define CFG_MAX_FLASH_SECT (64) /* max number of sectors on one chip */ |
| 177 | |
| 178 | /* timeout values are in ticks */ |
| 179 | #define CFG_FLASH_ERASE_TOUT (5*CFG_HZ) /* Timeout for Flash Erase */ |
| 180 | #define CFG_FLASH_WRITE_TOUT (5*CFG_HZ) /* Timeout for Flash Write */ |
| 181 | |
| 182 | #define CFG_ENV_IS_IN_FLASH 1 |
| 183 | |
| 184 | /* Address and size of Primary Environment Sector */ |
wdenk | 6069ff2 | 2003-02-28 00:49:47 +0000 | [diff] [blame] | 185 | #define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x40000) |
wdenk | 48c0010 | 2002-10-26 17:39:47 +0000 | [diff] [blame] | 186 | #define CFG_ENV_SIZE 0x40000 |
| 187 | |
| 188 | /* Address and size of Redundant Environment Sector */ |
| 189 | #define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR + CFG_ENV_SIZE) |
| 190 | #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) |
| 191 | |
| 192 | #endif /* __CONFIG_H */ |