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Diffstat (limited to 'include/configs/EXBITGEN.h')
| -rw-r--r-- | include/configs/EXBITGEN.h | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/include/configs/EXBITGEN.h b/include/configs/EXBITGEN.h new file mode 100644 index 0000000..f1ffcb3 --- /dev/null +++ b/include/configs/EXBITGEN.h @@ -0,0 +1,213 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * board/config.h - configuration options, board specific + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * High Level Configuration Options + * (easy to change) + */ + +#define CONFIG_405GP 1 /* This is a PPC405GP CPU */ +#define CONFIG_4xx 1 /* ...member of PPC4xx family */ +#define CONFIG_EXBITGEN 1 /* on a Exbit Generic board */ + +#define CONFIG_BOARD_PRE_INIT 1 /* Call board_pre_init */ + +#define CONFIG_SYS_CLK_FREQ 25000000 /* external frequency to pll */ + +/* I2C configuration */ +#define CONFIG_HARD_I2C 1 /* I2C with hardware support */ +#define CFG_I2C_SPEED 40000 /* I2C speed */ +#define CFG_I2C_SLAVE 0x7F /* I2C slave address */ + +/* environment is in EEPROM */ +#define CFG_ENV_IS_IN_EEPROM 1 +#undef CFG_ENV_IS_IN_FLASH +#undef CFG_ENV_IS_IN_NVRAM + +#ifdef CFG_ENV_IS_IN_EEPROM +#define CFG_I2C_EEPROM_ADDR 0x56 /* 1010110 */ +#define CFG_I2C_EEPROM_ADDR_LEN 1 /* 8-bit internal addressing */ +#define CFG_I2C_EEPROM_ADDR_OVERFLOW 1 /* ... and 1 bit in I2C address */ +#define CFG_EEPROM_PAGE_WRITE_BITS 3 /* 4 bytes per page */ +#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 40 /* write takes up to 40 msec */ +#define CFG_ENV_OFFSET 4 /* Offset of Environment Sector */ +#define CFG_ENV_SIZE 350 /* that is 350 bytes only! */ +#endif + +#define CONFIG_BOOTDELAY 10 /* autoboot after 10 seconds */ +/* Explanation: + autbooting is altogether disabled and cannot be + enabled if CONFIG_BOOTDELAY is negative. + If you want shorter bootdelay, then + - "setenv bootdelay <delay>" to the proper value +*/ + +#define CONFIG_BOOTCOMMAND "bootm 20400000 20800000" + +#define CONFIG_BOOTARGS "root=/dev/ram " \ + "ramdisk_size=32768 " \ + "console=ttyS0,115200 " \ + "ram=128M debug" + +#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ +#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */ + +#define CONFIG_MII 1 /* MII PHY management */ +#define CONFIG_PHY_ADDR 0 /* PHY address */ + +#define CONFIG_COMMANDS (CONFIG_CMD_DFL) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +#undef CONFIG_WATCHDOG /* watchdog disabled */ + +/* + * Miscellaneous configurable options + */ +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ +#else +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#endif +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_MEMTEST_START 0x0400000 /* memtest works on */ +#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ + +/* UART configuration */ +#define CFG_BASE_BAUD 691200 + +/* Default baud rate */ +#define CONFIG_BAUDRATE 115200 + +/* The following table includes the supported baudrates */ +#define CFG_BAUDRATE_TABLE \ + { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, \ + 57600, 115200, 230400, 460800, 921600 } + +#define CFG_CLKS_IN_HZ 1 /* everything, incl board info, in Hz */ + +#define CFG_LOAD_ADDR 0x100000 /* default load address */ +#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */ + +#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ + +/*----------------------------------------------------------------------- + * PCI stuff + *----------------------------------------------------------------------- + */ +#undef CONFIG_PCI /* no pci support */ + +/*----------------------------------------------------------------------- + * External peripheral base address + *----------------------------------------------------------------------- + */ +#undef CONFIG_IDE_PCMCIA /* no pcmcia interface required */ +#undef CONFIG_IDE_LED /* no led for ide supported */ +#undef CONFIG_IDE_RESET /* no reset for ide supported */ + +#define CFG_KEY_REG_BASE_ADDR 0xF0100000 +#define CFG_IR_REG_BASE_ADDR 0xF0200000 +#define CFG_FPGA_REG_BASE_ADDR 0xF0300000 + +/*----------------------------------------------------------------------- + * Start addresses for the final memory configuration + * (Set up by the startup code) + * Please note that CFG_SDRAM_BASE _must_ start at 0 + */ +#define CFG_SDRAM_BASE 0x00000000 +#define CFG_FLASH0_BASE 0xFFF80000 +#define CFG_FLASH0_SIZE 0x00080000 +#define CFG_FLASH1_BASE 0x20000000 +#define CFG_FLASH1_SIZE 0x02000000 +#define CFG_FLASH_BASE CFG_FLASH0_BASE +#define CFG_FLASH_SIZE CFG_FLASH0_SIZE +#define CFG_MONITOR_BASE TEXT_BASE +#define CFG_MONITOR_LEN (192 * 1024) /* Reserve 196 kB for Monitor */ +#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */ + +#if CFG_MONITOR_BASE < CFG_FLASH0_BASE +#define CFG_RAMSTART +#endif + +/* + * For booting Linux, the board info and command line data + * have to be in the first 8 MB of memory, since this is + * the maximum mapped by the Linux kernel during initialization. + */ +#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ +/*----------------------------------------------------------------------- + * FLASH organization + */ +#define CFG_MAX_FLASH_BANKS 5 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ + +#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ +#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ + +#ifdef CFG_ENV_IS_IN_FLASH +#define CFG_ENV_OFFSET 0x00060000 /* Offset of Environment Sector */ +#define CFG_ENV_SIZE 0x00010000 /* Total Size of Environment Sector */ +#define CFG_ENV_SECT_SIZE 0x00010000 /* see README - env sector total size */ +#endif + +/* On Chip Memory location/size */ +#define CFG_OCM_DATA_ADDR 0xF8000000 +#define CFG_OCM_DATA_SIZE 0x1000 + +/* Global info and initial stack */ +#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of on-chip SRAM */ +#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */ +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ +#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) +#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET + +/* Cache configuration */ +#define CFG_DCACHE_SIZE 8192 +#define CFG_CACHELINE_SIZE 32 + +/* + * Internal Definitions + * + * Boot Flags + */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */ +#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ +#endif +#endif /* __CONFIG_H */ |