1 /* 2 * Copyright (C) 2005 Arabella Software Ltd. 3 * Yuli Barcohen <yuli@arabellasw.com> 4 * 5 * Support for Embedded Planet EP88x boards. 6 * Tested on EP88xC with MPC885 CPU, 64MB SDRAM and 16MB flash. 7 * 8 * See file CREDITS for list of people who contributed to this 9 * project. 10 * 11 * This program is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU General Public License as 13 * published by the Free Software Foundation; either version 2 of 14 * the License, or (at your option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 24 * MA 02111-1307 USA 25 */ 26 #ifndef __CONFIG_H 27 #define __CONFIG_H 28 29 #define CONFIG_MPC885 30 31 #define CONFIG_EP88X /* Embedded Planet EP88x board */ 32 33 #define CONFIG_BOARD_EARLY_INIT_F /* Call board_early_init_f */ 34 35 /* Allow serial number (serial#) and MAC address (ethaddr) to be overwritten */ 36 #define CONFIG_ENV_OVERWRITE 37 38 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ 39 #define CONFIG_BAUDRATE 38400 40 41 #define CONFIG_ETHER_ON_FEC1 /* Enable Ethernet on FEC1 */ 42 #define CONFIG_ETHER_ON_FEC2 /* Enable Ethernet on FEC2 */ 43 #if defined(CONFIG_ETHER_ON_FEC1) || defined(CONFIG_ETHER_ON_FEC2) 44 #define CONFIG_SYS_DISCOVER_PHY 45 #define CONFIG_MII_INIT 1 46 #define FEC_ENET 47 #endif /* CONFIG_FEC_ENET */ 48 49 #define CONFIG_8xx_OSCLK 10000000 /* 10 MHz oscillator on EXTCLK */ 50 #define CONFIG_8xx_CPUCLK_DEFAULT 100000000 51 #define CONFIG_SYS_8xx_CPUCLK_MIN 40000000 52 #define CONFIG_SYS_8xx_CPUCLK_MAX 133000000 53 54 /* 55 * BOOTP options 56 */ 57 #define CONFIG_BOOTP_BOOTFILESIZE 58 #define CONFIG_BOOTP_BOOTPATH 59 #define CONFIG_BOOTP_GATEWAY 60 #define CONFIG_BOOTP_HOSTNAME 61 62 63 /* 64 * Command line configuration. 65 */ 66 #include <config_cmd_default.h> 67 68 #define CONFIG_CMD_DHCP 69 #define CONFIG_CMD_IMMAP 70 #define CONFIG_CMD_MII 71 #define CONFIG_CMD_PING 72 73 74 #define CONFIG_BOOTDELAY 5 /* Autoboot after 5 seconds */ 75 #define CONFIG_BOOTCOMMAND "bootm fe060000" /* Autoboot command */ 76 #define CONFIG_BOOTARGS "root=/dev/mtdblock1 rw mtdparts=phys:2M(ROM)ro,-(root)" 77 78 #define CONFIG_BZIP2 /* Include support for bzip2 compressed images */ 79 #undef CONFIG_WATCHDOG /* Disable platform specific watchdog */ 80 81 /*----------------------------------------------------------------------- 82 * Miscellaneous configurable options 83 */ 84 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */ 85 #define CONFIG_SYS_HUSH_PARSER 86 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 87 #define CONFIG_SYS_LONGHELP /* #undef to save memory */ 88 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 89 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) /* Print Buffer Size */ 90 #define CONFIG_SYS_MAXARGS 16 /* Max number of command args */ 91 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ 92 93 #define CONFIG_SYS_LOAD_ADDR 0x400000 /* Default load address */ 94 95 #define CONFIG_SYS_HZ 1000 /* Decrementer freq: 1 ms ticks */ 96 97 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } 98 99 /*----------------------------------------------------------------------- 100 * RAM configuration (note that CONFIG_SYS_SDRAM_BASE must be zero) 101 */ 102 #define CONFIG_SYS_SDRAM_BASE 0x00000000 103 #define CONFIG_SYS_SDRAM_MAX_SIZE 0x08000000 /* Up to 128 Mbyte */ 104 105 #define CONFIG_SYS_MAMR 0x00805000 106 107 /* 108 * 4096 Up to 4096 SDRAM rows 109 * 1000 factor s -> ms 110 * 32 PTP (pre-divider from MPTPR) 111 * 4 Number of refresh cycles per period 112 * 64 Refresh cycle in ms per number of rows 113 */ 114 #define CONFIG_SYS_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64)) 115 116 #define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */ 117 #define CONFIG_SYS_MEMTEST_END 0x00500000 /* 1 ... 5 MB in SDRAM */ 118 119 #define CONFIG_SYS_RESET_ADDRESS 0x09900000 120 121 /*----------------------------------------------------------------------- 122 * For booting Linux, the board info and command line data 123 * have to be in the first 8 MB of memory, since this is 124 * the maximum mapped by the Linux kernel during initialization. 125 */ 126 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ 127 128 #define CONFIG_SYS_MONITOR_BASE TEXT_BASE 129 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 KB for Monitor */ 130 #ifdef CONFIG_BZIP2 131 #define CONFIG_SYS_MALLOC_LEN (4096 << 10) /* Reserve ~4 MB for malloc() */ 132 #else 133 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 KB for malloc() */ 134 #endif /* CONFIG_BZIP2 */ 135 136 /*----------------------------------------------------------------------- 137 * Flash organisation 138 */ 139 #define CONFIG_SYS_FLASH_BASE 0xFC000000 140 #define CONFIG_SYS_FLASH_CFI /* The flash is CFI compatible */ 141 #define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver */ 142 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* Max number of flash banks */ 143 #define CONFIG_SYS_MAX_FLASH_SECT 512 /* Max num of sects on one chip */ 144 145 /* Environment is in flash */ 146 #define CONFIG_ENV_IS_IN_FLASH 147 #define CONFIG_ENV_SECT_SIZE 0x20000 /* We use one complete sector */ 148 #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) 149 150 #define CONFIG_SYS_OR0_PRELIM 0xFC000160 151 #define CONFIG_SYS_BR0_PRELIM (CONFIG_SYS_FLASH_BASE | BR_PS_32 | BR_MS_GPCM | BR_V) 152 153 #define CONFIG_SYS_DIRECT_FLASH_TFTP 154 155 /*----------------------------------------------------------------------- 156 * BCSR 157 */ 158 #define CONFIG_SYS_OR3_PRELIM 0xFF0005B0 159 #define CONFIG_SYS_BR3_PRELIM (0xFA000000 |BR_PS_16 | BR_MS_GPCM | BR_V) 160 161 #define CONFIG_SYS_BCSR 0xFA400000 162 163 /*----------------------------------------------------------------------- 164 * Internal Memory Map Register 165 */ 166 #define CONFIG_SYS_IMMR 0xF0000000 167 168 /*----------------------------------------------------------------------- 169 * Definitions for initial stack pointer and data area (in DPRAM) 170 */ 171 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR 172 #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ 173 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* Size in bytes reserved for initial data */ 174 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE) 175 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET 176 177 /*----------------------------------------------------------------------- 178 * Configuration registers 179 */ 180 #ifdef CONFIG_WATCHDOG 181 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | \ 182 SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | \ 183 SYPCR_SWP) 184 #else 185 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | \ 186 SYPCR_SWF | SYPCR_SWP) 187 #endif /* CONFIG_WATCHDOG */ 188 189 #define CONFIG_SYS_SIUMCR (SIUMCR_MLRC01 | SIUMCR_DBGC11) 190 191 /* TBSCR - Time Base Status and Control Register */ 192 #define CONFIG_SYS_TBSCR (TBSCR_TBF | TBSCR_TBE) 193 194 /* PISCR - Periodic Interrupt Status and Control */ 195 #define CONFIG_SYS_PISCR PISCR_PS 196 197 /* SCCR - System Clock and reset Control Register */ 198 #define SCCR_MASK SCCR_EBDF11 199 #define CONFIG_SYS_SCCR SCCR_RTSEL 200 201 #define CONFIG_SYS_DER 0 202 203 /*----------------------------------------------------------------------- 204 * Cache Configuration 205 */ 206 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx chips */ 207 208 /*----------------------------------------------------------------------- 209 * Internal Definitions 210 * 211 * Boot Flags 212 */ 213 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from flash */ 214 #define BOOTFLAG_WARM 0x02 /* Software reboot */ 215 216 #endif /* __CONFIG_H */ 217