/* * (C) Copyright 2000-2005 * Stefan Roese, DENX Software Engineering, sr@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 PPC405 CPU */ #define CONFIG_4xx 1 /* ...member of PPC4xx family */ #define CONFIG_WALNUT 1 /* ...on a WALNUT board */ /* ...and on a SYCAMORE board */ #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */ #define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */ #define CONFIG_PREBOOT "echo;" \ "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \ "echo" #undef CONFIG_BOOTARGS #define CONFIG_EXTRA_ENV_SETTINGS \ "netdev=eth0\0" \ "hostname=walnut\0" \ "nfsargs=setenv bootargs root=/dev/nfs rw " \ "nfsroot=$(serverip):$(rootpath)\0" \ "ramargs=setenv bootargs root=/dev/ram rw\0" \ "addip=setenv bootargs $(bootargs) " \ "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \ ":$(hostname):$(netdev):off panic=1\0" \ "addtty=setenv bootargs $(bootargs) console=ttyS0,$(baudrate)\0"\ "flash_nfs=run nfsargs addip addtty;" \ "bootm $(kernel_addr)\0" \ "flash_self=run ramargs addip addtty;" \ "bootm $(kernel_addr) $(ramdisk_addr)\0" \ "net_nfs=tftp 200000 $(bootfile);run nfsargs addip addtty;" \ "bootm\0" \ "rootpath=/opt/eldk/ppc_4xx\0" \ "bootfile=/tftpboot/walnut/uImage\0" \ "kernel_addr=fff80000\0" \ "ramdisk_addr=fff80000\0" \ "load=tftp 100000 /tftpboot/walnut/u-boot.bin\0" \ "update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;" \ "cp.b 100000 fffc0000 40000;" \ "setenv filesize;saveenv\0" \ "upd=run load;run update\0" \ "" #define CONFIG_BOOTCOMMAND "run net_nfs" #if 0 #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ #else #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ #endif #define CONFIG_BAUDRATE 115200 #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 1 /* PHY address */ #define CONFIG_RTC_DS174x 1 /* use DS1743 RTC in Walnut */ #define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ CFG_CMD_ASKENV | \ CFG_CMD_DATE | \ CFG_CMD_DHCP | \ CFG_CMD_DIAG | \ CFG_CMD_ELF | \ CFG_CMD_I2C | \ CFG_CMD_IRQ | \ CFG_CMD_MII | \ CFG_CMD_NET | \ CFG_CMD_NFS | \ CFG_CMD_PCI | \ CFG_CMD_PING | \ CFG_CMD_REGINFO | \ CFG_CMD_SDRAM | \ CFG_CMD_SNTP ) /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include #undef CONFIG_WATCHDOG /* watchdog disabled */ #define CONFIG_SPD_EEPROM 1 /* use SPD EEPROM for setup */ /* * 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 */ /* * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1. * If CFG_405_UART_ERRATA_59, then UART divisor is 31. * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value. * The Linux BASE_BAUD define should match this configuration. * baseBaud = cpuClock/(uartDivisor*16) * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock, * set Linux BASE_BAUD to 403200. */ #undef CONFIG_SERIAL_SOFTWARE_FIFO #undef CFG_EXT_SERIAL_CLOCK /* external serial clock */ #undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */ #define CFG_BASE_BAUD 691200 /* The following table includes the supported baudrates */ #define CFG_BAUDRATE_TABLE \ {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} #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_AUTO_COMPLETE 1 /* add autocompletion support */ #define CONFIG_LOOPW 1 /* enable loopw command */ #define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */ #define CONFIG_VERSION_VARIABLE 1 /* include version env variable */ #define CFG_RX_ETH_BUFFER 16 /* use 16 rx buffer on 405 emac */ /*----------------------------------------------------------------------- * I2C stuff *----------------------------------------------------------------------- */ #define CONFIG_HARD_I2C 1 /* I2C with hardware support */ #undef CONFIG_SOFT_I2C /* I2C bit-banged */ #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */ #define CFG_I2C_SLAVE 0x7F /*----------------------------------------------------------------------- * PCI stuff *----------------------------------------------------------------------- */ #define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */ #define PCI_HOST_FORCE 1 /* configure as pci host */ #define PCI_HOST_AUTO 2 /* detected via arbiter enable */ #define CONFIG_PCI /* include pci support */ #define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */ #define CONFIG_PCI_PNP /* do pci plug-and-play */ /* resource configuration */ #define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */ #define CFG_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */ #define CFG_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */ #define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */ #define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */ #define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */ #define CFG_PCI_PTM2LA 0x00000000 /* disabled */ #define CFG_PCI_PTM2MS 0x00000000 /* disabled */ #define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */ /*----------------------------------------------------------------------- * 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 0xFFF80000 #define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */ #define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */ #define CFG_MONITOR_BASE (-CFG_MONITOR_LEN) /* * Define here the location of the environment variables (FLASH or NVRAM). * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only * supported for backward compatibility. */ #if 1 #define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */ #else #define CFG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */ #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 FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */ #define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */ #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_EMPTY_INFO /* print 'E' for empty sector on flinfo */ #define CFG_FLASH_ADDR0 0x5555 #define CFG_FLASH_ADDR1 0x2aaa #define CFG_FLASH_WORD_SIZE unsigned char #ifdef CFG_ENV_IS_IN_FLASH #define CFG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */ #define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE) #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ /* Address and size of Redundant Environment Sector */ #define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE) #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) #endif /* CFG_ENV_IS_IN_FLASH */ /*----------------------------------------------------------------------- * NVRAM organization */ #define CFG_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */ #define CFG_NVRAM_SIZE 0x1ff8 /* NVRAM size */ #ifdef CFG_ENV_IS_IN_NVRAM #define CFG_ENV_SIZE 0x1000 /* Size of Environment vars */ #define CFG_ENV_ADDR \ (CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE) /* Env */ #endif /*----------------------------------------------------------------------- * Cache Configuration */ #define CFG_DCACHE_SIZE 16384 /* For IBM 405 CPUs, older 405 ppc's */ /* have only 8kB, 16kB is save here */ #define CFG_CACHELINE_SIZE 32 /* ... */ #if (CONFIG_COMMANDS & CFG_CMD_KGDB) #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ #endif /*----------------------------------------------------------------------- * External Bus Controller (EBC) Setup */ /* Memory Bank 0 (Flash Bank 0) initialization */ #define CFG_EBC_PB0AP 0x9B015480 #define CFG_EBC_PB0CR 0xFFF18000 /* BAS=0xFFF,BS=1MB,BU=R/W,BW=8bit */ #define CFG_EBC_PB1AP 0x02815480 #define CFG_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */ #define CFG_EBC_PB2AP 0x04815A80 #define CFG_EBC_PB2CR 0xF0118000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit */ #define CFG_EBC_PB3AP 0x01815280 #define CFG_EBC_PB3CR 0xF0218000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=8bit */ #define CFG_EBC_PB7AP 0x01815280 #define CFG_EBC_PB7CR 0xF0318000 /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit */ /*----------------------------------------------------------------------- * External peripheral base address *----------------------------------------------------------------------- */ #define CFG_KEY_REG_BASE_ADDR 0xF0100000 #define CFG_IR_REG_BASE_ADDR 0xF0200000 #define CFG_FPGA_REG_BASE_ADDR 0xF0300000 /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area */ #define CFG_INIT_DCACHE_CS 4 /* use cs # 4 for data cache memory */ #define CFG_INIT_RAM_ADDR 0x40000000 /* inside of SDRAM */ #define CFG_INIT_RAM_END 0x2000 /* 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 /*----------------------------------------------------------------------- * Definitions for Serial Presence Detect EEPROM address * (to get SDRAM settings) */ #define SPD_EEPROM_ADDRESS 0x50 /* * 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 */