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/*
* (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 */
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