228 lines
8.0 KiB
C
228 lines
8.0 KiB
C
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/*
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* (C) Copyright 2001
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* Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* board/config.h - configuration options, board specific
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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/*
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* High Level Configuration Options
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* (easy to change)
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*/
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#define CONFIG_405CR 1 /* This is a PPC405CR CPU */
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#define CONFIG_4xx 1 /* ...member of PPC4xx family */
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#define CONFIG_CANBT 1 /* ...on a CANBT board */
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#define CONFIG_BOARD_EARLY_INIT_F 1 /* call board_early_init_f() */
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#define CONFIG_SYS_CLK_FREQ 25000000 /* external frequency to pll */
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#define CONFIG_BAUDRATE 115200
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#define CONFIG_BOOTDELAY 1 /* autoboot after 1 seconds */
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#undef CONFIG_BOOTARGS
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#define CONFIG_BOOTCOMMAND \
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"setenv bootargs root=/dev/ram rw console=ttyS0,115200; " \
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"bootm ffe00000 ffe80000"
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#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
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#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
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#undef CONFIG_PCI_PNP /* no pci plug-and-play */
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#define CONFIG_PHY_ADDR 0 /* PHY address */
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#define CONFIG_COMMANDS (( CONFIG_CMD_DFL | \
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CFG_CMD_IRQ | \
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CFG_CMD_EEPROM ) & \
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~CFG_CMD_NET)
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/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
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#include <cmd_confdefs.h>
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#undef CONFIG_WATCHDOG /* watchdog disabled */
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#define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */
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/*
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* Miscellaneous configurable options
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*/
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#define CFG_LONGHELP /* undef to save memory */
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#define CFG_PROMPT "=> " /* Monitor Command Prompt */
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#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
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#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
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#else
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#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
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#endif
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#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
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#define CFG_MAXARGS 16 /* max number of command args */
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#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
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#define CFG_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
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#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
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#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
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#define CFG_EXT_SERIAL_CLOCK 14745600 /* use external serial clock */
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/* The following table includes the supported baudrates */
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#define CFG_BAUDRATE_TABLE \
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{ 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, \
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57600, 115200, 230400, 460800, 921600 }
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#define CFG_LOAD_ADDR 0x100000 /* default load address */
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#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
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#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
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#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
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/*-----------------------------------------------------------------------
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* Start addresses for the final memory configuration
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* (Set up by the startup code)
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* Please note that CFG_SDRAM_BASE _must_ start at 0
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*/
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#define CFG_SDRAM_BASE 0x00000000
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#define CFG_FLASH_BASE 0xFFFE0000
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#define CFG_MONITOR_BASE CFG_FLASH_BASE
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#define CFG_MONITOR_LEN (128 * 1024) /* Reserve 128 kB for Monitor */
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#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
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/*
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* For booting Linux, the board info and command line data
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* have to be in the first 8 MB of memory, since this is
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* the maximum mapped by the Linux kernel during initialization.
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*/
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#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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/*-----------------------------------------------------------------------
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* FLASH organization
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*/
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#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
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#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
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#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
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#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
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#define CFG_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
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#define CFG_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
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#define CFG_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
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/*
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* The following defines are added for buggy IOP480 byte interface.
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* All other boards should use the standard values (CPCI405 etc.)
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*/
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#define CFG_FLASH_READ0 0x0000 /* 0 is standard */
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#define CFG_FLASH_READ1 0x0001 /* 1 is standard */
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#define CFG_FLASH_READ2 0x0002 /* 2 is standard */
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#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
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#if 0 /* Use FLASH for environment variables */
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#define CFG_ENV_IS_IN_FLASH 1
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#define CFG_ENV_OFFSET 0x00010000 /* Offset of Environment Sector */
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#define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
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#define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
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#else /* Use EEPROM for environment variables */
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#define CFG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */
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#define CFG_ENV_OFFSET 0x000 /* environment starts at the beginning of the EEPROM */
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#define CFG_ENV_SIZE 0x400 /* 1024 bytes may be used for env vars */
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/* total size of a CAT24WC08 is 1024 bytes */
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#endif
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/*-----------------------------------------------------------------------
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* I2C EEPROM (CAT24WC08) for environment
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*/
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#define CONFIG_HARD_I2C /* I2C with hardware support */
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#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
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#define CFG_I2C_SLAVE 0x7F
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#define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC08 */
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#define CFG_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
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/* mask of address bits that overflow into the "EEPROM chip address" */
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#define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07
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/*-----------------------------------------------------------------------
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* Cache Configuration
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*/
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#define CFG_DCACHE_SIZE 8192 /* For AMCC 405 CPUs */
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#define CFG_CACHELINE_SIZE 32 /* ... */
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#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
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#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
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#endif
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/*
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* Init Memory Controller:
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*
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* BR0/1 and OR0/1 (FLASH)
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*/
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#define FLASH_BASE0_PRELIM 0xFFC00000 /* FLASH bank #0 */
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#define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
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/*-----------------------------------------------------------------------
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* External Bus Controller (EBC) Setup
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*/
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/* Memory Bank 0 (Flash Bank 0) initialization */
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#define CFG_EBC_PB0AP 0x92015480
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#define CFG_EBC_PB0CR 0xFFC5A000 /* BAS=0xFFC,BS=4MB,BU=R/W,BW=16bit */
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/* Memory Bank 1 (CAN/USB) initialization */
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#define CFG_EBC_PB1AP 0x010053C0 /* enable Ready, BEM=1 */
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#define CFG_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
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/* Memory Bank 2 (Misc-IO/LEDs) initialization */
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#define CFG_EBC_PB2AP 0x000004c0 /* no Ready, BEM=1 */
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#define CFG_EBC_PB2CR 0xF0118000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit */
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/* Memory Bank 3 (CAN Features) initialization */
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#define CFG_EBC_PB3AP 0x80000040 /* no Ready, BEM=1 */
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#define CFG_EBC_PB3CR 0xF021C000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=32bit */
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/*-----------------------------------------------------------------------
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* Definitions for initial stack pointer and data area (in RAM)
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*/
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#define CFG_INIT_RAM_ADDR 0x00ef0000 /* inside of SDRAM */
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#define CFG_INIT_RAM_END 0x0f00 /* End of used area in RAM */
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#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
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#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
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#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
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/*
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* Internal Definitions
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*
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* Boot Flags
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*/
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#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
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#define BOOTFLAG_WARM 0x02 /* Software reboot */
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#endif /* __CONFIG_H */
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