214 lines
7.3 KiB
C
214 lines
7.3 KiB
C
|
/*
|
||
|
|
* (C) Copyright 2000-2004
|
||
|
|
* 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_EARLY_INIT_F 1 /* Call board_early_init_f */
|
||
|
|
|
||
|
|
#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 */
|