/* * (C) Copyright 2003 Picture Elements, Inc. * Stephen Williams * * 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 for the JSE board * (Theoretically easy to change, but the board is fixed.) */ #define CONFIG_JSE 1 /* JSE has a PPC405GPr */ #define CONFIG_405GP 1 /* ... which is a 4xxx series */ #define CONFIG_4xx 1 /* ... with a 33MHz OSC. connected to the SysCLK input */ #define CONFIG_SYS_CLK_FREQ 33333333 /* ... with on-chip memory here (4KBytes) */ #define CFG_OCM_DATA_ADDR 0xF4000000 #define CFG_OCM_DATA_SIZE 0x00001000 /* Do not set up locked dcache as init ram. */ #undef CFG_INIT_DCACHE_CS /* Map the SystemACE chip (CS#1) here. (Must be a multiple of 1Meg) */ #define CONFIG_SYSTEMACE 1 #define CFG_SYSTEMACE_BASE 0xf0000000 #define CONFIG_DOS_PARTITION 1 /* Use the On-Chip-Memory (OCM) as a temporary stack for the startup code. */ #define CFG_TEMP_STACK_OCM 1 /* ... place INIT RAM in the OCM address */ # define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* ... give it the whole init ram */ # define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* ... Shave a bit off the end for global data */ # define CFG_GBL_DATA_SIZE 128 # define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) /* ... and place the stack pointer at the top of what's left. */ # define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET /* Enable board_pre_init function */ #define CONFIG_BOARD_PRE_INIT 1 #define CONFIG_BOARD_EARLY_INIT_F 1 /* Disable post-clk setup init function */ #undef CONFIG_BOARD_POSTCLK_INIT /* Disable call to post_init_f: late init function. */ #undef CONFIG_POST /* Enable DRAM test. */ #define CFG_DRAM_TEST 1 /* Enable misc_init_r function. */ #define CONFIG_MISC_INIT_R 1 /* JSE has EEPROM chips that are good for environment. */ #undef CFG_ENV_IS_IN_NVRAM #undef CFG_ENV_IS_IN_FLASH #define CFG_ENV_IS_IN_EEPROM 1 #undef CFG_ENV_IS_NOWHERE /* This is the 7bit address of the device, not including P. */ #define CFG_I2C_EEPROM_ADDR 0x50 /* After the device address, need one more address byte. */ #define CFG_I2C_EEPROM_ADDR_LEN 1 /* The EEPROM is 512 bytes. */ #define CFG_EEPROM_SIZE 512 /* The EEPROM can do 16byte ( 1 << 4 ) page writes. */ #define CFG_EEPROM_PAGE_WRITE_BITS 4 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* Put the environment in the second half. */ #define CFG_ENV_OFFSET 0x00 #define CFG_ENV_SIZE 512 /* The JSE connects UART1 to the console tap connector. */ #define CONFIG_UART1_CONSOLE 1 /* Set console baudrate to 9600 */ #define CONFIG_BAUDRATE 9600 /* Size (bytes) of interrupt driven serial port buffer. * Set to 0 to use polling instead of interrupts. * Setting to 0 will also disable RTS/CTS handshaking. */ #undef CONFIG_SERIAL_SOFTWARE_FIFO /* * Configuration related to auto-boot. * * CONFIG_BOOTDELAY sets the delay (in seconds) that U-Boot will wait * before resorting to autoboot. This value can be overridden by the * bootdelay environment variable. * * CONFIG_AUTOBOOT_PROMPT is the string that U-Boot emits to warn the * user that an autoboot will happen. * * CONFIG_BOOTCOMMAND is the sequence of commands that U-Boot will * execute to boot the JSE. This loads the uimage and initrd.img files * from CompactFlash into memory, then boots them from memory. * * CONFIG_BOOTARGS is the arguments passed to the Linux kernel to get * it going on the JSE. */ #define CONFIG_BOOTDELAY 5 #define CONFIG_BOOTARGS "root=/dev/ram0 init=/linuxrc rw" #define CONFIG_BOOTCOMMAND "fatload ace 0 2000000 uimage; fatload ace 0 2100000 initrd.img; bootm 2000000 2100000" #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_COMMANDS (CONFIG_CMD_DFL | \ CFG_CMD_PCI | \ CFG_CMD_IRQ | \ CFG_CMD_FLASH | \ CFG_CMD_NET | \ CFG_CMD_DHCP | \ CFG_CMD_PING | \ CFG_CMD_MII | \ CFG_CMD_EEPROM | \ CFG_CMD_FAT | \ CFG_CMD_ELF ) /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include /* watchdog disabled */ #undef CONFIG_WATCHDOG /* SPD EEPROM (sdram speed config) disabled */ #undef CONFIG_SPD_EEPROM #undef SPD_EEPROM_ADDRESS /* * Miscellaneous configurable options */ #define CFG_LONGHELP /* undef to save memory */ #define CFG_PROMPT "=> " /* Monitor Command Prompt */ #define CFG_HUSH_PARSER /* use "hush" command parser */ #ifdef CFG_HUSH_PARSER #define CFG_PROMPT_HUSH_PS2 "> " #endif #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 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_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 */ #undef CONFIG_PCI_PNP /* do pci plug-and-play */ /* resource configuration */ #define CFG_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */ #define CFG_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */ #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 */ /*----------------------------------------------------------------------- * External peripheral base address *----------------------------------------------------------------------- */ #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_FLASH_BASE 0xFFF80000 #define CFG_MONITOR_BASE CFG_FLASH_BASE #define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 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) */ /*----------------------------------------------------------------------- * Cache Configuration */ #define CFG_DCACHE_SIZE 16384 /* For IBM 405GPr 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 CFG_FLASH_BASE /* FLASH bank #0 */ #define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */ /* Configuration Port location */ #define CONFIG_PORT_ADDR 0xF0000500 /* * 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 */