/* * ML2.h: ML2 specific config options * * Copyright 2002 Mind NV * * http://www.mind.be/ * * Author : Peter De Schrijver (p2@mind.be) * * Derived from : other configuration header files in this tree * * This software may be used and distributed according to the terms of * the GNU General Public License (GPL) version 2, incorporated herein by * reference. Drivers based on or derived from this code fall under the GPL * and must retain the authorship, copyright and this license notice. This * file is not a complete program and may only be used when the entire * program is licensed under the GPL. * */ #ifndef __CONFIG_H #define __CONFIG_H /* * High Level Configuration Options * (easy to change) */ #define CONFIG_405 1 /* This is a PPC405 CPU */ #define CONFIG_4xx 1 /* ...member of PPC4xx family */ #define CONFIG_ML2 1 /* ...on a ML2 board */ #define CFG_ENV_IS_IN_FLASH 1 #ifdef CFG_ENV_IS_IN_NVRAM #undef CFG_ENV_IS_IN_FLASH #else #ifdef CFG_ENV_IS_IN_FLASH #undef CFG_ENV_IS_IN_NVRAM #endif #endif #define CONFIG_BAUDRATE 9600 #define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */ #if 1 #define CONFIG_BOOTCOMMAND "bootm" /* autoboot command */ #else #define CONFIG_BOOTCOMMAND "bootp" /* autoboot command */ #endif #define CONFIG_PREBOOT "fsload 0x00100000 /boot/image" /* 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. */ #if 0 #define CONFIG_SERIAL_SOFTWARE_FIFO 4000 #else #undef CONFIG_SERIAL_SOFTWARE_FIFO #endif #if 0 #define CONFIG_BOOTARGS "root=/dev/nfs " \ "ip=192.168.2.176:192.168.2.190:192.168.2.79:255.255.255.0 " \ "nfsroot=192.168.2.190:/home/stefan/cpci405/target_ftest4" #else #define CONFIG_BOOTARGS "root=/dev/mtdblock2 " \ "console=ttyS0 console=tty" #endif #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ #define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */ #define CONFIG_COMMANDS ( (CONFIG_CMD_DFL & (~CFG_CMD_NET) & \ (~CFG_CMD_RTC) & ~(CFG_CMD_PCI) & ~(CFG_CMD_I2C)) | \ CFG_CMD_IRQ | \ CFG_CMD_KGDB | \ CFG_CMD_BEDBUG | \ CFG_CMD_ELF | CFG_CMD_JFFS2 ) /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> #undef CONFIG_WATCHDOG /* watchdog disabled */ #define CONFIG_SYS_CLK_FREQ 50000000 #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 CFG_EXT_SERIAL_CLOCK /* external serial clock */ #undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */ #define CFG_BASE_BAUD (3125000*16) #define CFG_NS16550_CLK CFG_BASE_BAUD #define CFG_DUART_CHAN 0 #define CFG_NS16550_COM1 0xa0001003 #define CFG_NS16550_COM2 0xa0011003 #define CFG_NS16550_REG_SIZE -4 #define CFG_NS16550 1 #define CFG_INIT_CHAN1 1 #define CFG_INIT_CHAN2 1 /* 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 */ /*----------------------------------------------------------------------- * 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 0x18000000 #define CFG_MONITOR_BASE CFG_FLASH_BASE #define CFG_MONITOR_LEN (192 * 1024) /* Reserve 196 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) */ /* BEG ENVIRONNEMENT FLASH */ #ifdef CFG_ENV_IS_IN_FLASH #define CFG_ENV_OFFSET 0x00050000 /* Offset of Environment Sector */ #define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */ #define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */ #endif /* END ENVIRONNEMENT 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 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 CFG_FLASH_BASE /* FLASH bank #0 */ #define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */ /* Configuration Port location */ #define CONFIG_PORT_ADDR 0xF0000500 /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in DPRAM) */ #define CFG_INIT_RAM_ADDR 0x800000 /* 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 /* JFFS2 stuff */ #define CFG_JFFS2_FIRST_BANK 0 #define CFG_JFFS2_NUM_BANKS 1 #define CFG_JFFS2_FIRST_SECTOR 1 #endif /* __CONFIG_H */