/* * (C) Copyright 2001 * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com * * 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_405CR 1 /* This is a PPC405CR CPU */ #define CONFIG_4xx 1 /* ...member of PPC4xx family */ #define CONFIG_CANBT 1 /* ...on a CANBT board */ #define CONFIG_BOARD_EARLY_INIT_F 1 /* call board_early_init_f() */ #define CONFIG_SYS_CLK_FREQ 25000000 /* external frequency to pll */ #define CONFIG_BAUDRATE 115200 #define CONFIG_BOOTDELAY 1 /* autoboot after 1 seconds */ #undef CONFIG_BOOTARGS #define CONFIG_BOOTCOMMAND \ "setenv bootargs root=/dev/ram rw console=ttyS0,115200; " \ "bootm ffe00000 ffe80000" #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */ #undef CONFIG_PCI_PNP /* no pci plug-and-play */ #define CONFIG_PHY_ADDR 0 /* PHY address */ #define CONFIG_COMMANDS (( CONFIG_CMD_DFL | \ CFG_CMD_IRQ | \ CFG_CMD_EEPROM ) & \ ~CFG_CMD_NET) /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> #undef CONFIG_WATCHDOG /* watchdog disabled */ #define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */ /* * 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_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/ #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ #define CFG_EXT_SERIAL_CLOCK 14745600 /* use external serial clock */ /* 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_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 */ #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */ /*----------------------------------------------------------------------- * 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_FLASH_BASE 0xFFFE0000 #define CFG_MONITOR_BASE CFG_FLASH_BASE #define CFG_MONITOR_LEN (128 * 1024) /* Reserve 128 kB for Monitor */ #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */ /* * 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 1 /* max number of memory banks */ #define CFG_MAX_FLASH_SECT 256 /* 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) */ #define CFG_FLASH_WORD_SIZE unsigned short /* flash word size (width) */ #define CFG_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */ #define CFG_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */ /* * The following defines are added for buggy IOP480 byte interface. * All other boards should use the standard values (CPCI405 etc.) */ #define CFG_FLASH_READ0 0x0000 /* 0 is standard */ #define CFG_FLASH_READ1 0x0001 /* 1 is standard */ #define CFG_FLASH_READ2 0x0002 /* 2 is standard */ #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ #if 0 /* Use FLASH for environment variables */ #define CFG_ENV_IS_IN_FLASH 1 #define CFG_ENV_OFFSET 0x00010000 /* Offset of Environment Sector */ #define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */ #define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */ #else /* Use EEPROM for environment variables */ #define CFG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */ #define CFG_ENV_OFFSET 0x000 /* environment starts at the beginning of the EEPROM */ #define CFG_ENV_SIZE 0x400 /* 1024 bytes may be used for env vars */ /* total size of a CAT24WC08 is 1024 bytes */ #endif /*----------------------------------------------------------------------- * I2C EEPROM (CAT24WC08) for environment */ #define CONFIG_HARD_I2C /* I2C with hardware support */ #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ #define CFG_I2C_SLAVE 0x7F #define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC08 */ #define CFG_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */ /* mask of address bits that overflow into the "EEPROM chip address" */ #define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07 /*----------------------------------------------------------------------- * Cache Configuration */ #define CFG_DCACHE_SIZE 8192 /* For IBM 405 CPUs */ #define CFG_CACHELINE_SIZE 32 /* ... */ #if (CONFIG_COMMANDS & CFG_CMD_KGDB) #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ #endif /* * Init Memory Controller: * * BR0/1 and OR0/1 (FLASH) */ #define FLASH_BASE0_PRELIM 0xFFC00000 /* FLASH bank #0 */ #define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */ /*----------------------------------------------------------------------- * External Bus Controller (EBC) Setup */ /* Memory Bank 0 (Flash Bank 0) initialization */ #define CFG_EBC_PB0AP 0x92015480 #define CFG_EBC_PB0CR 0xFFC5A000 /* BAS=0xFFC,BS=4MB,BU=R/W,BW=16bit */ /* Memory Bank 1 (CAN/USB) initialization */ #define CFG_EBC_PB1AP 0x010053C0 /* enable Ready, BEM=1 */ #define CFG_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */ /* Memory Bank 2 (Misc-IO/LEDs) initialization */ #define CFG_EBC_PB2AP 0x000004c0 /* no Ready, BEM=1 */ #define CFG_EBC_PB2CR 0xF0118000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit */ /* Memory Bank 3 (CAN Features) initialization */ #define CFG_EBC_PB3AP 0x80000040 /* no Ready, BEM=1 */ #define CFG_EBC_PB3CR 0xF021C000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=32bit */ /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in RAM) */ #define CFG_INIT_RAM_ADDR 0x00ef0000 /* inside of SDRAM */ #define CFG_INIT_RAM_END 0x0f00 /* End of used area in RAM */ #define CFG_GBL_DATA_SIZE 64 /* 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 /* * Internal Definitions * * Boot Flags */ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ #endif /* __CONFIG_H */