Wolfgang Denk | 7521af1 | 2005-10-09 01:04:33 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * AMIRIX.h: AMIRIX specific config options |
| 3 | * |
| 4 | * Author : Frank Smith (smith at amirix dot com) |
| 5 | * |
| 6 | * Derived from : other configuration header files in this tree |
| 7 | * |
| 8 | * This software may be used and distributed according to the terms of |
| 9 | * the GNU General Public License (GPL) version 2, incorporated herein by |
| 10 | * reference. Drivers based on or derived from this code fall under the GPL |
| 11 | * and must retain the authorship, copyright and this license notice. This |
| 12 | * file is not a complete program and may only be used when the entire |
| 13 | * program is licensed under the GPL. |
| 14 | * |
| 15 | */ |
| 16 | |
| 17 | #ifndef __CONFIG_H |
| 18 | #define __CONFIG_H |
| 19 | |
| 20 | /* |
| 21 | * High Level Configuration Options |
| 22 | * (easy to change) |
| 23 | */ |
| 24 | |
| 25 | #undef DEBUG |
| 26 | |
| 27 | #define CONFIG_405 1 /* This is a PPC405 CPU */ |
| 28 | #define CONFIG_4xx 1 /* ...member of PPC4xx family */ |
| 29 | |
| 30 | #define CONFIG_AP1000 1 /* ...on an AP1000 board */ |
| 31 | |
| 32 | #define CONFIG_PCI 1 |
| 33 | |
| 34 | #define CFG_HUSH_PARSER 1 /* use "hush" command parser */ |
| 35 | #define CFG_PROMPT "0> " |
| 36 | #define CFG_PROMPT_HUSH_PS2 "> " |
| 37 | |
| 38 | #define CONFIG_COMMAND_EDIT 1 |
| 39 | #define CONFIG_COMMAND_HISTORY 1 |
| 40 | #define CONFIG_COMPLETE_ADDRESSES 1 |
| 41 | |
| 42 | #define CFG_ENV_IS_IN_FLASH 1 |
| 43 | #define CFG_FLASH_USE_BUFFER_WRITE |
| 44 | |
| 45 | #ifdef CFG_ENV_IS_IN_NVRAM |
| 46 | #undef CFG_ENV_IS_IN_FLASH |
| 47 | #else |
| 48 | #ifdef CFG_ENV_IS_IN_FLASH |
| 49 | #undef CFG_ENV_IS_IN_NVRAM |
| 50 | #endif |
| 51 | #endif |
| 52 | |
| 53 | #define CONFIG_BAUDRATE 57600 |
| 54 | #define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */ |
| 55 | |
| 56 | #define CONFIG_BOOTCOMMAND "" /* autoboot command */ |
| 57 | |
| 58 | /* Size (bytes) of interrupt driven serial port buffer. |
| 59 | * Set to 0 to use polling instead of interrupts. |
| 60 | * Setting to 0 will also disable RTS/CTS handshaking. |
| 61 | */ |
| 62 | #undef CONFIG_SERIAL_SOFTWARE_FIFO |
| 63 | |
| 64 | #define CONFIG_BOOTARGS "console=ttyS0,57600" |
| 65 | |
| 66 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ |
| 67 | #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */ |
| 68 | |
| 69 | |
| 70 | |
| 71 | #define CONFIG_COMMANDS ( (CONFIG_CMD_DFL & \ |
| 72 | (~CFG_CMD_RTC) & ~(CFG_CMD_I2C)) | \ |
| 73 | CFG_CMD_IRQ | \ |
| 74 | CFG_CMD_PCI | \ |
| 75 | CFG_CMD_DHCP | \ |
| 76 | CFG_CMD_ASKENV | \ |
| 77 | CFG_CMD_ELF | \ |
| 78 | CFG_CMD_PING | \ |
| 79 | CFG_CMD_MVENV \ |
| 80 | ) |
| 81 | |
| 82 | /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ |
| 83 | #include <cmd_confdefs.h> |
| 84 | |
| 85 | #undef CONFIG_WATCHDOG /* watchdog disabled */ |
| 86 | |
| 87 | #define CONFIG_SYS_CLK_FREQ 30000000 |
| 88 | |
| 89 | #define CONFIG_SPD_EEPROM 1 /* use SPD EEPROM for setup */ |
| 90 | |
| 91 | /* |
| 92 | * Miscellaneous configurable options |
| 93 | */ |
| 94 | #define CFG_LONGHELP /* undef to save memory */ |
| 95 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
| 96 | #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ |
| 97 | #else |
| 98 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
| 99 | #endif |
| 100 | /* usually: (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) */ |
| 101 | #define CFG_PBSIZE (CFG_CBSIZE+4+16) /* Print Buffer Size */ |
| 102 | #define CFG_MAXARGS 16 /* max number of command args */ |
| 103 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
| 104 | |
| 105 | #define CFG_ALT_MEMTEST 1 |
| 106 | #define CFG_MEMTEST_START 0x00400000 /* memtest works on */ |
| 107 | #define CFG_MEMTEST_END 0x01000000 /* 4 ... 16 MB in DRAM */ |
| 108 | |
| 109 | /* |
| 110 | * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1. |
| 111 | * If CFG_405_UART_ERRATA_59, then UART divisor is 31. |
| 112 | * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value. |
| 113 | * The Linux BASE_BAUD define should match this configuration. |
| 114 | * baseBaud = cpuClock/(uartDivisor*16) |
| 115 | * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock, |
| 116 | * set Linux BASE_BAUD to 403200. |
| 117 | */ |
| 118 | #undef CFG_EXT_SERIAL_CLOCK /* external serial clock */ |
| 119 | #undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */ |
| 120 | |
| 121 | #define CFG_NS16550_CLK 40000000 |
| 122 | #define CFG_DUART_CHAN 0 |
| 123 | #define CFG_NS16550_COM1 (0x4C000000 + 0x1000) |
| 124 | #define CFG_NS16550_COM2 (0x4C800000 + 0x1000) |
| 125 | #define CFG_NS16550_REG_SIZE 4 |
| 126 | #define CFG_NS16550 1 |
| 127 | #define CFG_INIT_CHAN1 1 |
| 128 | #define CFG_INIT_CHAN2 0 |
| 129 | |
| 130 | /* The following table includes the supported baudrates */ |
| 131 | #define CFG_BAUDRATE_TABLE \ |
| 132 | {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} |
| 133 | |
| 134 | #define CFG_LOAD_ADDR 0x00100000 /* default load address */ |
| 135 | #define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */ |
| 136 | |
| 137 | #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ |
| 138 | |
| 139 | |
| 140 | |
| 141 | /*----------------------------------------------------------------------- |
| 142 | * Start addresses for the final memory configuration |
| 143 | * (Set up by the startup code) |
| 144 | * Please note that CFG_SDRAM_BASE _must_ start at 0 |
| 145 | */ |
| 146 | #define CFG_SDRAM_BASE 0x00000000 |
| 147 | #define CFG_FLASH_BASE 0x20000000 |
| 148 | #define CFG_MONITOR_BASE TEXT_BASE |
| 149 | #define CFG_MONITOR_LEN (192 * 1024) /* Reserve 196 kB for Monitor */ |
| 150 | #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */ |
| 151 | |
| 152 | /* |
| 153 | * For booting Linux, the board info and command line data |
| 154 | * have to be in the first 8 MB of memory, since this is |
| 155 | * the maximum mapped by the Linux kernel during initialization. |
| 156 | */ |
| 157 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
| 158 | /*----------------------------------------------------------------------- |
| 159 | * FLASH organization |
| 160 | */ |
| 161 | #define CFG_FLASH_CFI 1 |
| 162 | #define CFG_PROGFLASH_BASE CFG_FLASH_BASE |
| 163 | #define CFG_CONFFLASH_BASE 0x24000000 |
| 164 | |
| 165 | #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ |
| 166 | #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */ |
| 167 | |
| 168 | #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ |
| 169 | #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ |
| 170 | |
| 171 | #define CFG_FLASH_PROTECTION 1 /* use hardware protection */ |
| 172 | |
| 173 | /* BEG ENVIRONNEMENT FLASH */ |
| 174 | #ifdef CFG_ENV_IS_IN_FLASH |
| 175 | #define CFG_ENV_OFFSET 0x00040000 /* Offset of Environment Sector */ |
| 176 | #define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */ |
| 177 | #define CFG_ENV_SECT_SIZE 0x20000 /* see README - env sector total size */ |
| 178 | #endif |
| 179 | /* END ENVIRONNEMENT FLASH */ |
| 180 | /*----------------------------------------------------------------------- |
| 181 | * NVRAM organization |
| 182 | */ |
| 183 | #define CFG_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */ |
| 184 | #define CFG_NVRAM_SIZE 0x1ff8 /* NVRAM size */ |
| 185 | |
| 186 | #ifdef CFG_ENV_IS_IN_NVRAM |
| 187 | #define CFG_ENV_SIZE 0x1000 /* Size of Environment vars */ |
| 188 | #define CFG_ENV_ADDR \ |
| 189 | (CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE) /* Env */ |
| 190 | #endif |
| 191 | /*----------------------------------------------------------------------- |
| 192 | * Cache Configuration |
| 193 | */ |
| 194 | #define CFG_DCACHE_SIZE 16384 |
| 195 | #define CFG_CACHELINE_SIZE 32 |
| 196 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
| 197 | #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ |
| 198 | #endif |
| 199 | |
| 200 | /* |
| 201 | * Init Memory Controller: |
| 202 | * |
| 203 | * BR0/1 and OR0/1 (FLASH) |
| 204 | */ |
| 205 | |
| 206 | #define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */ |
| 207 | #define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */ |
| 208 | |
| 209 | |
| 210 | /* Configuration Port location */ |
| 211 | #define CONFIG_PORT_ADDR 0xF0000500 |
| 212 | |
| 213 | /*----------------------------------------------------------------------- |
| 214 | * Definitions for initial stack pointer and data area (in DPRAM) |
| 215 | */ |
| 216 | |
| 217 | #define CFG_INIT_RAM_ADDR 0x400000 /* inside of SDRAM */ |
| 218 | #define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */ |
| 219 | #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ |
| 220 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) |
| 221 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET |
| 222 | |
| 223 | /*----------------------------------------------------------------------- |
| 224 | * Definitions for Serial Presence Detect EEPROM address |
| 225 | * (to get SDRAM settings) |
| 226 | */ |
| 227 | #define SPD_EEPROM_ADDRESS 0x50 |
| 228 | |
| 229 | /* |
| 230 | * Internal Definitions |
| 231 | * |
| 232 | * Boot Flags |
| 233 | */ |
| 234 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
| 235 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| 236 | |
| 237 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) |
| 238 | #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */ |
| 239 | #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ |
| 240 | #endif |
| 241 | |
| 242 | /* JFFS2 stuff */ |
| 243 | |
| 244 | #define CFG_JFFS2_FIRST_BANK 0 |
| 245 | #define CFG_JFFS2_NUM_BANKS 1 |
| 246 | #define CFG_JFFS2_FIRST_SECTOR 1 |
| 247 | |
| 248 | #define CONFIG_NET_MULTI |
| 249 | #define CONFIG_E1000 |
| 250 | |
| 251 | #define CFG_ETH_DEV_FN 0x0800 |
| 252 | #define CFG_ETH_IOBASE 0x31000000 |
| 253 | #define CFG_ETH_MEMBASE 0x32000000 |
| 254 | |
| 255 | #endif /* __CONFIG_H */ |