1 /* 2 * (C) Copyright 2003 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 * This file contains the configuration parameters for the PURPLE board. 26 */ 27 28 #ifndef __CONFIG_H 29 #define __CONFIG_H 30 31 #define CONFIG_MIPS32 1 /* MIPS 5Kc CPU core */ 32 #define CONFIG_PURPLE 1 /* on a PURPLE Board */ 33 34 #define CPU_CLOCK_RATE 125000000 /* 125 MHz clock for the MIPS core */ 35 #define ASC_CLOCK_RATE 62500000 /* 62.5 MHz ASC clock */ 36 37 #define INFINEON_EBU_BOOTCFG 0xE0CC 38 39 #define CONFIG_STACKSIZE (128 * 1024) 40 41 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ 42 43 #define CONFIG_BAUDRATE 19200 44 45 /* valid baudrates */ 46 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } 47 48 #define CONFIG_TIMESTAMP /* Print image info with timestamp */ 49 50 #define CONFIG_PREBOOT "echo;" \ 51 "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \ 52 "echo" 53 54 #undef CONFIG_BOOTARGS 55 56 #define CONFIG_EXTRA_ENV_SETTINGS \ 57 "nfsargs=setenv bootargs root=/dev/nfs rw " \ 58 "nfsroot=${serverip}:${rootpath}\0" \ 59 "ramargs=setenv bootargs root=/dev/ram rw\0" \ 60 "addip=setenv bootargs ${bootargs} " \ 61 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ 62 ":${hostname}:${netdev}:off\0" \ 63 "addmisc=setenv bootargs ${bootargs} " \ 64 "console=ttyS0,${baudrate} " \ 65 "ethaddr=${ethaddr} " \ 66 "panic=1\0" \ 67 "flash_nfs=run nfsargs addip addmisc;" \ 68 "bootm ${kernel_addr}\0" \ 69 "flash_self=run ramargs addip addmisc;" \ 70 "bootm ${kernel_addr} ${ramdisk_addr}\0" \ 71 "net_nfs=tftp 80500000 ${bootfile};" \ 72 "run nfsargs addip addmisc;bootm\0" \ 73 "rootpath=/opt/eldk/mips_5KC\0" \ 74 "bootfile=/tftpboot/purple/uImage\0" \ 75 "kernel_addr=B0040000\0" \ 76 "ramdisk_addr=B0100000\0" \ 77 "u-boot=/tftpboot/purple/u-boot.bin\0" \ 78 "load=tftp 80500000 ${u-boot}\0" \ 79 "update=protect off 1:0-4;era 1:0-4;" \ 80 "cp.b 80500000 B0000000 ${filesize}\0" \ 81 "" 82 #define CONFIG_BOOTCOMMAND "run flash_self" 83 84 85 /* 86 * BOOTP options 87 */ 88 #define CONFIG_BOOTP_BOOTFILESIZE 89 #define CONFIG_BOOTP_BOOTPATH 90 #define CONFIG_BOOTP_GATEWAY 91 #define CONFIG_BOOTP_HOSTNAME 92 93 94 /* 95 * Command line configuration. 96 */ 97 #include <config_cmd_default.h> 98 99 #define CONFIG_CMD_ELF 100 101 102 #define CONFIG_SYS_SDRAM_BASE 0x80000000 103 104 #define CONFIG_SYS_INIT_SP_OFFSET 0x400000 105 106 #define CONFIG_SYS_MALLOC_LEN 128*1024 107 108 #define CONFIG_SYS_BOOTPARAMS_LEN 128*1024 109 110 /* 111 * Miscellaneous configurable options 112 */ 113 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 114 #define CONFIG_SYS_PROMPT "PURPLE # " /* Monitor Command Prompt */ 115 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 116 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ 117 #define CONFIG_SYS_MIPS_TIMER_FREQ (CPU_CLOCK_RATE/2) 118 #define CONFIG_SYS_HZ 1000 119 #define CONFIG_SYS_MAXARGS 16 /* max number of command args*/ 120 121 #define CONFIG_SYS_LOAD_ADDR 0x80500000 /* default load address */ 122 123 #define CONFIG_SYS_MEMTEST_START 0x80200000 124 #define CONFIG_SYS_MEMTEST_END 0x80800000 125 126 #define CONFIG_MISC_INIT_R 127 128 /*----------------------------------------------------------------------- 129 * FLASH and environment organization 130 */ 131 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ 132 #define CONFIG_SYS_MAX_FLASH_SECT (35) /* max number of sectors on one chip */ 133 134 #define PHYS_FLASH_1 0xb0000000 /* Flash Bank #1 */ 135 136 /* The following #defines are needed to get flash environment right */ 137 #define CONFIG_SYS_MONITOR_BASE TEXT_BASE 138 #define CONFIG_SYS_MONITOR_LEN (192 << 10) 139 140 #define CONFIG_SYS_FLASH_BASE PHYS_FLASH_1 141 142 /* timeout values are in ticks */ 143 #define CONFIG_SYS_FLASH_ERASE_TOUT (6 * CONFIG_SYS_HZ) /* Timeout for Flash Erase */ 144 #define CONFIG_SYS_FLASH_WRITE_TOUT (6 * CONFIG_SYS_HZ) /* Timeout for Flash Write */ 145 146 #define CONFIG_ENV_IS_IN_FLASH 1 147 148 /* Address and size of Primary Environment Sector */ 149 #define CONFIG_ENV_ADDR 0xB0008000 150 #define CONFIG_ENV_SIZE 0x4000 151 152 #define CONFIG_FLASH_32BIT 153 #define CONFIG_NR_DRAM_BANKS 1 154 155 #define CONFIG_PLB2800_ETHER 156 #define CONFIG_NET_MULTI 157 158 /*----------------------------------------------------------------------- 159 * Cache Configuration 160 */ 161 #define CONFIG_SYS_DCACHE_SIZE 16384 162 #define CONFIG_SYS_ICACHE_SIZE 16384 163 #define CONFIG_SYS_CACHELINE_SIZE 32 164 165 /* 166 * Temporary buffer for serial data until the real serial driver 167 * is initialised (memtest will destroy this buffer) 168 */ 169 #define CONFIG_SYS_SCONSOLE_ADDR (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET - \ 170 CONFIG_SYS_DCACHE_SIZE / 2) 171 #define CONFIG_SYS_SCONSOLE_SIZE (CONFIG_SYS_DCACHE_SIZE / 4) 172 173 #endif /* __CONFIG_H */ 174