wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2001 |
| 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * |
| 26 | * Configuration settings for the CU824 board. |
| 27 | * |
| 28 | */ |
| 29 | |
| 30 | /* ------------------------------------------------------------------------- */ |
| 31 | |
| 32 | /* |
| 33 | * board/config.h - configuration options, board specific |
| 34 | */ |
| 35 | |
| 36 | #ifndef __CONFIG_H |
| 37 | #define __CONFIG_H |
| 38 | |
| 39 | /* |
| 40 | * High Level Configuration Options |
| 41 | * (easy to change) |
| 42 | */ |
| 43 | |
| 44 | #define CONFIG_MPC824X 1 |
| 45 | #define CONFIG_MPC8245 1 |
| 46 | #define CONFIG_BMW 1 |
| 47 | |
| 48 | #define CONFIG_BCM570x 1 /* Use Broadcom BCM570x Ethernet Driver */ |
| 49 | #define CONFIG_TIGON3 1 |
| 50 | |
| 51 | #define CONFIG_CONS_INDEX 1 |
| 52 | #define CONFIG_BAUDRATE 9600 |
| 53 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
| 54 | |
| 55 | #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ |
| 56 | |
| 57 | #define CONFIG_BOOTCOMMAND "bootm FF820000" /* autoboot command */ |
| 58 | #define CONFIG_BOOTDELAY 5 |
| 59 | |
| 60 | #define CFG_MAX_DOC_DEVICE 1 /* Only use Onboard TSOP-16MB device */ |
| 61 | #define DOC_PASSIVE_PROBE 1 |
| 62 | #define CFG_DOC_SUPPORT_2000 1 |
| 63 | #define CFG_DOC_SUPPORT_MILLENNIUM 1 |
| 64 | #define CFG_DOC_SHORT_TIMEOUT 1 |
| 65 | #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ |
| 66 | CFG_CMD_DATE | \ |
| 67 | CFG_CMD_DOC | \ |
| 68 | CFG_CMD_ELF | \ |
| 69 | 0 ) |
| 70 | #if 0 |
| 71 | #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_DHCP | \ |
| 72 | CFG_CMD_PCI | CFG_CMD_DOC | CFG_CMD_DATE) |
| 73 | |
| 74 | #define CONFIG_PCI 1 |
| 75 | #define CONFIG_PCI_PNP 1 /* PCI plug-and-play */ |
| 76 | #endif |
| 77 | |
| 78 | /* This must be included AFTER the definition of CONFIG_COMMANDS (if any) |
| 79 | */ |
| 80 | #include <cmd_confdefs.h> |
| 81 | |
| 82 | |
| 83 | /* |
| 84 | * Miscellaneous configurable options |
| 85 | */ |
| 86 | #define CFG_LONGHELP /* undef to save memory */ |
| 87 | #define CFG_PROMPT "=>" /* Monitor Command Prompt */ |
| 88 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
| 89 | |
| 90 | /* Print Buffer Size |
| 91 | */ |
| 92 | #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) |
| 93 | |
| 94 | #define CFG_MAXARGS 8 /* Max number of command args */ |
| 95 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
| 96 | #define CFG_LOAD_ADDR 0x00100000 /* Default load address */ |
| 97 | |
| 98 | /*----------------------------------------------------------------------- |
| 99 | * Start addresses for the final memory configuration |
| 100 | * (Set up by the startup code) |
| 101 | * Please note that CFG_SDRAM_BASE _must_ start at 0 |
| 102 | */ |
| 103 | #define CFG_SDRAM_BASE 0x00000000 |
| 104 | |
| 105 | #define CFG_FLASH_BASE0_PRELIM 0xFFF00000 /* FLASH bank on RCS#0 */ |
| 106 | #define CFG_FLASH_BASE1_PRELIM 0xFF800000 /* FLASH bank on RCS#1 */ |
| 107 | #define CFG_FLASH_BASE CFG_MONITOR_BASE |
| 108 | #define CFG_FLASH_BANKS { CFG_FLASH_BASE0_PRELIM , CFG_FLASH_BASE1_PRELIM } |
| 109 | |
| 110 | /* even though FLASHP_BASE is FF800000, with 4MB is RCS0, the |
| 111 | * reset vector is actually located at FFB00100, but the 8245 |
| 112 | * takes care of us. |
| 113 | */ |
| 114 | #define CFG_RESET_ADDRESS 0xFFF00100 |
| 115 | |
| 116 | #define CFG_EUMB_ADDR 0xFC000000 |
| 117 | |
| 118 | #define CFG_MONITOR_BASE TEXT_BASE |
| 119 | |
| 120 | #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
| 121 | #define CFG_MALLOC_LEN (2048 << 10) /* Reserve 2MB for malloc() */ |
| 122 | |
| 123 | #define CFG_MEMTEST_START 0x00004000 /* memtest works on */ |
| 124 | #define CFG_MEMTEST_END 0x04000000 /* 0 ... 32 MB in DRAM */ |
| 125 | |
| 126 | /* Maximum amount of RAM. |
| 127 | */ |
| 128 | #define CFG_MAX_RAM_SIZE 0x04000000 /* 0 .. 64 MB of (S)DRAM */ |
| 129 | |
| 130 | |
| 131 | #if CFG_MONITOR_BASE >= CFG_FLASH_BASE |
| 132 | #undef CFG_RAMBOOT |
| 133 | #else |
| 134 | #define CFG_RAMBOOT |
| 135 | #endif |
| 136 | |
| 137 | |
| 138 | /*----------------------------------------------------------------------- |
| 139 | * Definitions for initial stack pointer and data area |
| 140 | */ |
| 141 | #define CFG_INIT_RAM_ADDR CFG_SDRAM_BASE + CFG_MONITOR_LEN |
| 142 | #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ |
| 143 | #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ |
| 144 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) |
| 145 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET |
| 146 | |
| 147 | /* |
| 148 | * Low Level Configuration Settings |
| 149 | * (address mappings, register initial values, etc.) |
| 150 | * You should know what you are doing if you make changes here. |
| 151 | * For the detail description refer to the MPC8240 user's manual. |
| 152 | */ |
| 153 | |
| 154 | #define CONFIG_SYS_CLK_FREQ 33000000 /* external frequency to pll */ |
| 155 | #define CFG_HZ 1000 |
| 156 | |
| 157 | #define CFG_ETH_DEV_FN 0x7800 |
| 158 | #define CFG_ETH_IOBASE 0x00104000 |
| 159 | |
| 160 | /* Bit-field values for MCCR1. |
| 161 | */ |
| 162 | #define CFG_ROMNAL 0xf |
| 163 | #define CFG_ROMFAL 0x1f |
| 164 | #define CFG_DBUS_SIZE 0x3 |
| 165 | |
| 166 | /* Bit-field values for MCCR2. |
| 167 | */ |
| 168 | #define CFG_TSWAIT 0x5 /* Transaction Start Wait States timer */ |
| 169 | #define CFG_REFINT 0x400 /* Refresh interval FIXME: was 0t430 */ |
| 170 | |
| 171 | /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4. |
| 172 | */ |
| 173 | #define CFG_BSTOPRE 0 /* FIXME: was 192 */ |
| 174 | |
| 175 | /* Bit-field values for MCCR3. |
| 176 | */ |
| 177 | #define CFG_REFREC 2 /* Refresh to activate interval */ |
| 178 | |
| 179 | /* Bit-field values for MCCR4. |
| 180 | */ |
| 181 | #define CFG_PRETOACT 2 /* Precharge to activate interval FIXME: was 2 */ |
| 182 | #define CFG_ACTTOPRE 5 /* Activate to Precharge interval FIXME: was 5 */ |
| 183 | #define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latancy */ |
| 184 | #define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */ |
| 185 | #define CFG_SDMODE_BURSTLEN 3 /* SDMODE Burst length */ |
| 186 | #define CFG_ACTORW 0xa /* FIXME was 2 */ |
| 187 | #define CFG_REGISTERD_TYPE_BUFFER 1 |
| 188 | |
| 189 | #define CFG_PGMAX 0x0 /* how long the 8240 reatins the currently accessed page in memory FIXME: was 0x32*/ |
| 190 | |
| 191 | #define CFG_SDRAM_DSCD 0x20 /* SDRAM data in sample clock delay - note bottom 3 bits MUST be 0 */ |
| 192 | |
| 193 | /* Memory bank settings. |
| 194 | * Only bits 20-29 are actually used from these vales to set the |
| 195 | * start/end addresses. The upper two bits will always be 0, and the lower |
| 196 | * 20 bits will be 0x00000 for a start address, or 0xfffff for an end |
| 197 | * address. Refer to the MPC8240 book. |
| 198 | */ |
| 199 | |
| 200 | #define CFG_BANK0_START 0x00000000 |
| 201 | #define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1) |
| 202 | #define CFG_BANK0_ENABLE 1 |
| 203 | #define CFG_BANK1_START 0x3ff00000 |
| 204 | #define CFG_BANK1_END 0x3fffffff |
| 205 | #define CFG_BANK1_ENABLE 0 |
| 206 | #define CFG_BANK2_START 0x3ff00000 |
| 207 | #define CFG_BANK2_END 0x3fffffff |
| 208 | #define CFG_BANK2_ENABLE 0 |
| 209 | #define CFG_BANK3_START 0x3ff00000 |
| 210 | #define CFG_BANK3_END 0x3fffffff |
| 211 | #define CFG_BANK3_ENABLE 0 |
| 212 | #define CFG_BANK4_START 0x3ff00000 |
| 213 | #define CFG_BANK4_END 0x3fffffff |
| 214 | #define CFG_BANK4_ENABLE 0 |
| 215 | #define CFG_BANK5_START 0x3ff00000 |
| 216 | #define CFG_BANK5_END 0x3fffffff |
| 217 | #define CFG_BANK5_ENABLE 0 |
| 218 | #define CFG_BANK6_START 0x3ff00000 |
| 219 | #define CFG_BANK6_END 0x3fffffff |
| 220 | #define CFG_BANK6_ENABLE 0 |
| 221 | #define CFG_BANK7_START 0x3ff00000 |
| 222 | #define CFG_BANK7_END 0x3fffffff |
| 223 | #define CFG_BANK7_ENABLE 0 |
| 224 | |
| 225 | #define CFG_ODCR 0xff |
| 226 | |
| 227 | #define CONFIG_PCI 1 /* Include PCI support */ |
| 228 | #undef CONFIG_PCI_PNP |
| 229 | |
| 230 | /* PCI Memory space(s) */ |
| 231 | #define PCI_MEM_SPACE1_START 0x80000000 |
| 232 | #define PCI_MEM_SPACE2_START 0xfd000000 |
| 233 | |
| 234 | /* ROM Spaces */ |
| 235 | #include "../board/bmw/bmw.h" |
| 236 | |
| 237 | /* BAT configuration */ |
| 238 | #define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE) |
| 239 | #define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP) |
| 240 | |
| 241 | #define CFG_IBAT1L (0x70000000 | BATL_PP_10 | BATL_CACHEINHIBIT) |
| 242 | #define CFG_IBAT1U (0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP) |
| 243 | |
| 244 | #define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT) |
| 245 | #define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP) |
| 246 | |
| 247 | #define CFG_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT) |
| 248 | #define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP) |
| 249 | |
| 250 | #define CFG_DBAT0L CFG_IBAT0L |
| 251 | #define CFG_DBAT0U CFG_IBAT0U |
| 252 | #define CFG_DBAT1L CFG_IBAT1L |
| 253 | #define CFG_DBAT1U CFG_IBAT1U |
| 254 | #define CFG_DBAT2L CFG_IBAT2L |
| 255 | #define CFG_DBAT2U CFG_IBAT2U |
| 256 | #define CFG_DBAT3L CFG_IBAT3L |
| 257 | #define CFG_DBAT3U CFG_IBAT3U |
| 258 | |
| 259 | /* |
| 260 | * For booting Linux, the board info and command line data |
| 261 | * have to be in the first 8 MB of memory, since this is |
| 262 | * the maximum mapped by the Linux kernel during initialization. |
| 263 | */ |
| 264 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
| 265 | |
| 266 | /* |
| 267 | * FLASH organization |
| 268 | */ |
| 269 | #define CFG_MAX_FLASH_BANKS 0 /* Max number of flash banks */ |
| 270 | #define CFG_MAX_FLASH_SECT 64 /* Max number of sectors per flash */ |
| 271 | |
| 272 | #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ |
| 273 | #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ |
| 274 | |
| 275 | /* |
| 276 | * Warining: environment is not EMBEDDED in the U-Boot code. |
| 277 | * It's stored in flash separately. |
| 278 | */ |
| 279 | #define CFG_ENV_IS_IN_NVRAM 1 |
| 280 | #define CONFIG_ENV_OVERWRITE 1 |
| 281 | #define CFG_NVRAM_ACCESS_ROUTINE 1 |
| 282 | #define CFG_ENV_ADDR 0x7c004000 /* right at the start of NVRAM */ |
| 283 | #define CFG_ENV_SIZE 0x1ff0 /* Size of the Environment - 8K */ |
| 284 | #define CFG_ENV_OFFSET 0 /* starting right at the beginning */ |
| 285 | |
| 286 | /* |
| 287 | * Cache Configuration |
| 288 | */ |
| 289 | #define CFG_CACHELINE_SIZE 32 |
| 290 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
| 291 | # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ |
| 292 | #endif |
| 293 | |
| 294 | /* |
| 295 | * Internal Definitions |
| 296 | * |
| 297 | * Boot Flags |
| 298 | */ |
| 299 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
| 300 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| 301 | |
| 302 | |
| 303 | #endif /* __CONFIG_H */ |