Wolfgang Denk | 84c960c | 2006-03-12 23:17:31 +0100 | [diff] [blame] | 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 CFG_DISCOVER_PHY |
| 45 | #define FEC_ENET |
| 46 | #endif /* CONFIG_FEC_ENET */ |
| 47 | |
| 48 | #define CONFIG_8xx_OSCLK 10000000 /* 10 MHz oscillator on EXTCLK */ |
| 49 | #define CONFIG_8xx_CPUCLK_DEFAULT 100000000 |
| 50 | #define CFG_8xx_CPUCLK_MIN 40000000 |
| 51 | #define CFG_8xx_CPUCLK_MAX 133000000 |
| 52 | |
| 53 | #define CONFIG_COMMANDS (CONFIG_CMD_DFL \ |
| 54 | | CFG_CMD_DHCP \ |
| 55 | | CFG_CMD_IMMAP \ |
| 56 | | CFG_CMD_MII \ |
| 57 | | CFG_CMD_PING \ |
| 58 | ) |
| 59 | |
| 60 | /* This must be included AFTER the definition of CONFIG_COMMANDS */ |
| 61 | #include <cmd_confdefs.h> |
| 62 | |
| 63 | #define CONFIG_BOOTDELAY 5 /* Autoboot after 5 seconds */ |
| 64 | #define CONFIG_BOOTCOMMAND "bootm fe060000" /* Autoboot command */ |
| 65 | #define CONFIG_BOOTARGS "root=/dev/mtdblock1 rw mtdparts=phys:2M(ROM)ro,-(root)" |
| 66 | |
| 67 | #define CONFIG_BZIP2 /* Include support for bzip2 compressed images */ |
| 68 | #undef CONFIG_WATCHDOG /* Disable platform specific watchdog */ |
| 69 | |
| 70 | /*----------------------------------------------------------------------- |
| 71 | * Miscellaneous configurable options |
| 72 | */ |
| 73 | #define CFG_PROMPT "=> " /* Monitor Command Prompt */ |
| 74 | #define CFG_HUSH_PARSER |
| 75 | #define CFG_PROMPT_HUSH_PS2 "> " |
| 76 | #define CFG_LONGHELP /* #undef to save memory */ |
| 77 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
| 78 | #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) /* Print Buffer Size */ |
| 79 | #define CFG_MAXARGS 16 /* Max number of command args */ |
| 80 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
| 81 | |
| 82 | #define CFG_LOAD_ADDR 0x400000 /* Default load address */ |
| 83 | |
| 84 | #define CFG_HZ 1000 /* Decrementer freq: 1 ms ticks */ |
| 85 | |
| 86 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
| 87 | |
| 88 | /*----------------------------------------------------------------------- |
| 89 | * RAM configuration (note that CFG_SDRAM_BASE must be zero) |
| 90 | */ |
| 91 | #define CFG_SDRAM_BASE 0x00000000 |
| 92 | #define CFG_SDRAM_MAX_SIZE 0x08000000 /* Up to 128 Mbyte */ |
| 93 | |
| 94 | #define CFG_MAMR 0x00805000 |
| 95 | |
| 96 | /* |
| 97 | * 4096 Up to 4096 SDRAM rows |
| 98 | * 1000 factor s -> ms |
| 99 | * 32 PTP (pre-divider from MPTPR) |
| 100 | * 4 Number of refresh cycles per period |
| 101 | * 64 Refresh cycle in ms per number of rows |
| 102 | */ |
| 103 | #define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64)) |
| 104 | |
| 105 | #define CFG_MEMTEST_START 0x00100000 /* memtest works on */ |
| 106 | #define CFG_MEMTEST_END 0x00500000 /* 1 ... 5 MB in SDRAM */ |
| 107 | |
| 108 | #define CFG_RESET_ADDRESS 0x09900000 |
| 109 | |
| 110 | /*----------------------------------------------------------------------- |
| 111 | * For booting Linux, the board info and command line data |
| 112 | * have to be in the first 8 MB of memory, since this is |
| 113 | * the maximum mapped by the Linux kernel during initialization. |
| 114 | */ |
| 115 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
| 116 | |
| 117 | #define CFG_MONITOR_BASE TEXT_BASE |
| 118 | #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 KB for Monitor */ |
| 119 | #ifdef CONFIG_BZIP2 |
| 120 | #define CFG_MALLOC_LEN (4096 << 10) /* Reserve ~4 MB for malloc() */ |
| 121 | #else |
| 122 | #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 KB for malloc() */ |
| 123 | #endif /* CONFIG_BZIP2 */ |
| 124 | |
| 125 | /*----------------------------------------------------------------------- |
| 126 | * Flash organisation |
| 127 | */ |
| 128 | #define CFG_FLASH_BASE 0xFC000000 |
| 129 | #define CFG_FLASH_CFI /* The flash is CFI compatible */ |
| 130 | #define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */ |
| 131 | #define CFG_MAX_FLASH_BANKS 1 /* Max number of flash banks */ |
| 132 | #define CFG_MAX_FLASH_SECT 512 /* Max num of sects on one chip */ |
| 133 | |
| 134 | /* Environment is in flash */ |
| 135 | #define CFG_ENV_IS_IN_FLASH |
| 136 | #define CFG_ENV_SECT_SIZE 0x20000 /* We use one complete sector */ |
| 137 | #define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN) |
| 138 | |
| 139 | #define CFG_OR0_PRELIM 0xFC000160 |
| 140 | #define CFG_BR0_PRELIM (CFG_FLASH_BASE | BR_PS_32 | BR_MS_GPCM | BR_V) |
| 141 | |
| 142 | #define CFG_DIRECT_FLASH_TFTP |
| 143 | |
| 144 | /*----------------------------------------------------------------------- |
| 145 | * BCSR |
| 146 | */ |
| 147 | #define CFG_OR3_PRELIM 0xFF0005B0 |
| 148 | #define CFG_BR3_PRELIM (0xFA000000 |BR_PS_16 | BR_MS_GPCM | BR_V) |
| 149 | |
| 150 | #define CFG_BCSR 0xFA400000 |
| 151 | |
| 152 | /*----------------------------------------------------------------------- |
| 153 | * Internal Memory Map Register |
| 154 | */ |
| 155 | #define CFG_IMMR 0xF0000000 |
| 156 | |
| 157 | /*----------------------------------------------------------------------- |
| 158 | * Definitions for initial stack pointer and data area (in DPRAM) |
| 159 | */ |
| 160 | #define CFG_INIT_RAM_ADDR CFG_IMMR |
| 161 | #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ |
| 162 | #define CFG_GBL_DATA_SIZE 128 /* Size in bytes reserved for initial data */ |
| 163 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) |
| 164 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET |
| 165 | |
| 166 | /*----------------------------------------------------------------------- |
| 167 | * Configuration registers |
| 168 | */ |
| 169 | #ifdef CONFIG_WATCHDOG |
| 170 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | \ |
| 171 | SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | \ |
| 172 | SYPCR_SWP) |
| 173 | #else |
| 174 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | \ |
| 175 | SYPCR_SWF | SYPCR_SWP) |
| 176 | #endif /* CONFIG_WATCHDOG */ |
| 177 | |
| 178 | #define CFG_SIUMCR (SIUMCR_MLRC01 | SIUMCR_DBGC11) |
| 179 | |
| 180 | /* TBSCR - Time Base Status and Control Register */ |
| 181 | #define CFG_TBSCR (TBSCR_TBF | TBSCR_TBE) |
| 182 | |
| 183 | /* PISCR - Periodic Interrupt Status and Control */ |
| 184 | #define CFG_PISCR PISCR_PS |
| 185 | |
| 186 | /* SCCR - System Clock and reset Control Register */ |
| 187 | #define SCCR_MASK SCCR_EBDF11 |
| 188 | #define CFG_SCCR SCCR_RTSEL |
| 189 | |
| 190 | #define CFG_DER 0 |
| 191 | |
| 192 | /*----------------------------------------------------------------------- |
| 193 | * Cache Configuration |
| 194 | */ |
| 195 | #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx chips */ |
| 196 | |
| 197 | /*----------------------------------------------------------------------- |
| 198 | * Internal Definitions |
| 199 | * |
| 200 | * Boot Flags |
| 201 | */ |
| 202 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from flash */ |
| 203 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| 204 | |
| 205 | #endif /* __CONFIG_H */ |