mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 09:48:16 +00:00
700a0c648d
Old, obsolete and duplicated code was cleaned up and replace by the new partitioning method. There are two possible approaches now: * define a single, static partition * use mtdparts command line option and dynamic partitioning Default is static partitioning.
262 lines
8.1 KiB
C
262 lines
8.1 KiB
C
/*
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* ML2.h: ML2 specific config options
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*
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* Copyright 2002 Mind NV
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*
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* http://www.mind.be/
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*
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* Author : Peter De Schrijver (p2@mind.be)
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*
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* Derived from : other configuration header files in this tree
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*
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* This software may be used and distributed according to the terms of
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* the GNU General Public License (GPL) version 2, incorporated herein by
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* reference. Drivers based on or derived from this code fall under the GPL
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* and must retain the authorship, copyright and this license notice. This
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* file is not a complete program and may only be used when the entire
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* program is licensed under the GPL.
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*
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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_405 1 /* This is a PPC405 CPU */
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#define CONFIG_4xx 1 /* ...member of PPC4xx family */
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#define CONFIG_ML2 1 /* ...on a ML2 board */
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#define CFG_ENV_IS_IN_FLASH 1
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#ifdef CFG_ENV_IS_IN_NVRAM
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#undef CFG_ENV_IS_IN_FLASH
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#else
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#ifdef CFG_ENV_IS_IN_FLASH
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#undef CFG_ENV_IS_IN_NVRAM
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#endif
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#endif
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#define CONFIG_BAUDRATE 9600
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#define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
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#if 1
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#define CONFIG_BOOTCOMMAND "bootm" /* autoboot command */
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#else
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#define CONFIG_BOOTCOMMAND "bootp" /* autoboot command */
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#endif
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#define CONFIG_PREBOOT "fsload 0x00100000 /boot/image"
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/* Size (bytes) of interrupt driven serial port buffer.
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* Set to 0 to use polling instead of interrupts.
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* Setting to 0 will also disable RTS/CTS handshaking.
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*/
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#if 0
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#define CONFIG_SERIAL_SOFTWARE_FIFO 4000
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#else
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#undef CONFIG_SERIAL_SOFTWARE_FIFO
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#endif
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#if 0
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#define CONFIG_BOOTARGS "root=/dev/nfs " \
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"ip=192.168.2.176:192.168.2.190:192.168.2.79:255.255.255.0 " \
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"nfsroot=192.168.2.190:/home/stefan/cpci405/target_ftest4"
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#else
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#define CONFIG_BOOTARGS "root=/dev/mtdblock2 " \
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"console=ttyS0 console=tty"
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#endif
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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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#define CONFIG_COMMANDS ((CONFIG_CMD_DFL & \
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~( CFG_CMD_NET | \
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CFG_CMD_RTC | \
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CFG_CMD_PCI | \
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CFG_CMD_I2C \
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) ) | \
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CFG_CMD_IRQ | \
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CFG_CMD_KGDB | \
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CFG_CMD_BEDBUG | \
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CFG_CMD_ELF | \
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CFG_CMD_JFFS2 )
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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_SYS_CLK_FREQ 50000000
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#define CONFIG_SPD_EEPROM 1 /* use SPD EEPROM for setup */
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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_MEMTEST_START 0x0400000 /* memtest works on */
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#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
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/*
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* If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
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* If CFG_405_UART_ERRATA_59, then UART divisor is 31.
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* Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
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* The Linux BASE_BAUD define should match this configuration.
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* baseBaud = cpuClock/(uartDivisor*16)
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* If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
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* set Linux BASE_BAUD to 403200.
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*/
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#undef CFG_EXT_SERIAL_CLOCK /* external serial clock */
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#undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
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#define CFG_BASE_BAUD (3125000*16)
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#define CFG_NS16550_CLK CFG_BASE_BAUD
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#define CFG_DUART_CHAN 0
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#define CFG_NS16550_COM1 0xa0001003
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#define CFG_NS16550_COM2 0xa0011003
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#define CFG_NS16550_REG_SIZE -4
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#define CFG_NS16550 1
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#define CFG_INIT_CHAN1 1
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#define CFG_INIT_CHAN2 1
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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, 57600, 115200, 230400}
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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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/*-----------------------------------------------------------------------
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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 0x18000000
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#define CFG_MONITOR_BASE CFG_FLASH_BASE
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#define CFG_MONITOR_LEN (192 * 1024) /* Reserve 196 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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/* BEG ENVIRONNEMENT FLASH */
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#ifdef CFG_ENV_IS_IN_FLASH
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#define CFG_ENV_OFFSET 0x00050000 /* Offset of Environment Sector */
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#define CFG_ENV_SIZE 0x10000 /* 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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#endif
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/* END ENVIRONNEMENT FLASH */
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/*-----------------------------------------------------------------------
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* NVRAM organization
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*/
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#define CFG_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */
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#define CFG_NVRAM_SIZE 0x1ff8 /* NVRAM size */
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#ifdef CFG_ENV_IS_IN_NVRAM
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#define CFG_ENV_SIZE 0x1000 /* Size of Environment vars */
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#define CFG_ENV_ADDR \
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(CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE) /* Env */
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#endif
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/*-----------------------------------------------------------------------
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* Cache Configuration
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*/
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#define CFG_DCACHE_SIZE 8192 /* For IBM 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 CFG_FLASH_BASE /* FLASH bank #0 */
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#define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
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/* Configuration Port location */
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#define CONFIG_PORT_ADDR 0xF0000500
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/*-----------------------------------------------------------------------
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* Definitions for initial stack pointer and data area (in DPRAM)
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*/
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#define CFG_INIT_RAM_ADDR 0x800000 /* inside of SDRAM */
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#define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */
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#define CFG_GBL_DATA_SIZE 128 /* 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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* Definitions for Serial Presence Detect EEPROM address
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* (to get SDRAM settings)
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*/
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#define SPD_EEPROM_ADDRESS 0x50
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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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#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
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#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
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#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
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#endif
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/*
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* JFFS2 partitions
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*
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*/
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/* No command line, one static partition, whole device */
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#undef CONFIG_JFFS2_CMDLINE
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#define CONFIG_JFFS2_DEV "nor0"
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#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
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#define CONFIG_JFFS2_PART_OFFSET 0x00080000
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/* mtdparts command line support */
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/* Note: fake mtd_id used, no linux mtd map file */
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/*
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#define CONFIG_JFFS2_CMDLINE
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#define MTDIDS_DEFAULT "nor0=ml2-0"
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#define MTDPARTS_DEFAULT "mtdparts=ml2-0:-@512k(jffs2)"
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*/
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#endif /* __CONFIG_H */
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