mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-13 23:02:59 +00:00
fe126d8b34
which makes the environment compatible with the hush shell. WARNING: Support for the old '$(...)' syntax will be discontinued in a later version.
352 lines
11 KiB
C
352 lines
11 KiB
C
/*
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* (C) Copyright 2002 ELTEC Elektronik AG
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* Frank Gottschling <fgottschling@eltec.de>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* board/config.h - configuration options, board specific
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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#undef DEBUG
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#define GTREGREAD(x) 0xffffffff /* needed for debug */
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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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/* these hardware addresses are pretty bogus, please change them to
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suit your needs */
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/* first ethernet */
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#define CONFIG_ETHADDR 00:00:5b:ee:de:ad
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#define CONFIG_IPADDR 192.168.0.105
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#define CONFIG_SERVERIP 192.168.0.100
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#define CONFIG_ELPPC 1 /* this is an BAB740/BAB750 board */
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#define CONFIG_BAUDRATE 9600 /* console baudrate */
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#undef CONFIG_WATCHDOG
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#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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#define CONFIG_ZERO_BOOTDELAY_CHECK
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#undef CONFIG_BOOTARGS
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#define CONFIG_BOOTCOMMAND \
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"bootp 1000000; " \
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"setenv bootargs root=ramfs console=ttyS00,9600 " \
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"ip=${ipaddr}:${serverip}:${rootpath}:${gatewayip}:" \
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"${netmask}:${hostname}:eth0:none; " \
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"bootm"
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#define CONFIG_LOADS_ECHO 0 /* echo off for serial download */
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#define CFG_LOADS_BAUD_CHANGE /* allow baudrate changes */
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#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
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#define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_PCI | 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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/*
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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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/*
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* choose between COM1 and COM2 as serial console
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*/
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#define CONFIG_CONS_INDEX 1
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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 0x00000000 /* memtest works on */
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#define CFG_MEMTEST_END 0x04000000 /* 0 ... 64 MB in DRAM */
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#define CFG_LOAD_ADDR 0x1000000 /* default load address */
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#define CFG_HZ 1000 /* dec. freq: 1 ms ticks */
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#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 }
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/*
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* Low Level Configuration Settings
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* (address mappings, register initial values, etc.)
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* You should know what you are doing if you make changes here.
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*/
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#define CFG_BOARD_ASM_INIT
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#define CONFIG_MISC_INIT_R
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/*
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* Address mapping scheme for the MPC107 mem controller is mapping B (CHRP)
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*/
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#undef CFG_ADDRESS_MAP_A
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#define CFG_PCI_MEMORY_BUS 0x00000000
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#define CFG_PCI_MEMORY_PHYS 0x00000000
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#define CFG_PCI_MEMORY_SIZE 0x40000000
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#define CFG_PCI_MEM_BUS 0x80000000
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#define CFG_PCI_MEM_PHYS 0x80000000
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#define CFG_PCI_MEM_SIZE 0x7d000000
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#define CFG_ISA_MEM_BUS 0x00000000
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#define CFG_ISA_MEM_PHYS 0xfd000000
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#define CFG_ISA_MEM_SIZE 0x01000000
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#define CFG_PCI_IO_BUS 0x00800000
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#define CFG_PCI_IO_PHYS 0xfe800000
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#define CFG_PCI_IO_SIZE 0x00400000
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#define CFG_ISA_IO_BUS 0x00000000
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#define CFG_ISA_IO_PHYS 0xfe000000
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#define CFG_ISA_IO_SIZE 0x00800000
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/* driver defines FDC,IDE,... */
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#define CFG_ISA_IO_BASE_ADDRESS CFG_ISA_IO_PHYS
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#define CFG_ISA_IO CFG_ISA_IO_PHYS
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#define CFG_60X_PCI_IO_OFFSET CFG_ISA_IO_PHYS
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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_USR_LED_BASE 0x78000000
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#define CFG_NVRAM_BASE 0xff000000
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#define CFG_UART_BASE 0xff400000
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#define CFG_FLASH_BASE 0xfff00000
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#define MPC107_EUMB_ADDR 0xfce00000
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#define MPC107_EUMB_PI 0xfce41090
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#define MPC107_EUMB_GCR 0xfce41020
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#define MPC107_EUMB_IACKR 0xfce600a0
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#define MPC107_I2C_ADDR 0xfce03000
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/*
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* Definitions for initial stack pointer and data area
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*/
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#define CFG_INIT_RAM_ADDR 0x00fd0000 /* above the memtest region */
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#define CFG_INIT_RAM_END 0x4000
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#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for init 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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* Flash mapping/organization on the MPC10x.
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*/
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#define FLASH_BASE0_PRELIM 0xff800000
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#define FLASH_BASE1_PRELIM 0xffc00000
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#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
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#define CFG_MAX_FLASH_SECT 67 /* 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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/*
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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 0x00000000
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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=elppc-0,nor1=elppc-1"
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#define MTDPARTS_DEFAULT "mtdparts=elppc-0:-(jffs2),elppc-1:-(user)"
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*/
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#define CFG_MONITOR_BASE CFG_FLASH_BASE
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#define CFG_MONITOR_LEN 0x40000 /* Reserve 256 kB for Monitor */
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#define CFG_MALLOC_LEN 0x20000 /* Reserve 128 kB for malloc() */
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#undef CFG_MEMTEST
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/*
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* Environment settings
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*/
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#define CONFIG_ENV_OVERWRITE
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#define CFG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */
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#define CFG_NVRAM_SIZE 0x800 /* NVRAM size (2kB) */
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#define CFG_ENV_SIZE 0x400 /* Size of Environment vars (1kB) */
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#define CFG_ENV_ADDR 0x0
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#define CFG_ENV_MAP_ADRS 0xff000000
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#define CFG_NV_SROM_COPY_ADDR (CFG_ENV_ADDR + CFG_ENV_SIZE)
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#define CFG_NVRAM_ACCESS_ROUTINE /* only byte accsess alowed */
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#define CFG_SROM_SIZE 0x100 /* shadow of revision info is in nvram */
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/*
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* Serial devices
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*/
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#define CFG_NS16550
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#define CFG_NS16550_SERIAL
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#define CFG_NS16550_REG_SIZE 1
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#define CFG_NS16550_CLK 24000000
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#define CFG_NS16550_COM1 (CFG_UART_BASE + 0)
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#define CFG_NS16550_COM2 (CFG_UART_BASE + 8)
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/*
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* PCI stuff
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*/
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#define CONFIG_PCI /* include pci support */
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#define CONFIG_PCI_PNP /* pci plug-and-play */
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#define CONFIG_PCI_HOST PCI_HOST_AUTO
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#undef CONFIG_PCI_SCAN_SHOW
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/*
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* Optional Video console (graphic: SMI LynxEM)
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*/
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#define CONFIG_VIDEO
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#define CONFIG_CFB_CONSOLE
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#define VIDEO_KBD_INIT_FCT (simple_strtol (getenv("console"), NULL, 10))
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#define VIDEO_TSTC_FCT serial_tstc
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#define VIDEO_GETC_FCT serial_getc
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#define CONFIG_VIDEO_SMI_LYNXEM
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#define CONFIG_VIDEO_LOGO
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#define CONFIG_CONSOLE_EXTRA_INFO
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/*
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* Initial BATs
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*/
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#if 1
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#define CFG_IBAT0L 0
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#define CFG_IBAT0U 0
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#define CFG_DBAT0L CFG_IBAT1L
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#define CFG_DBAT0U CFG_IBAT1U
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#define CFG_IBAT1L 0
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#define CFG_IBAT1U 0
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#define CFG_DBAT1L CFG_IBAT1L
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#define CFG_DBAT1U CFG_IBAT1U
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#define CFG_IBAT2L 0
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#define CFG_IBAT2U 0
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#define CFG_DBAT2L CFG_IBAT2L
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#define CFG_DBAT2U CFG_IBAT2U
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#define CFG_IBAT3L 0
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#define CFG_IBAT3U 0
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#define CFG_DBAT3L CFG_IBAT3L
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#define CFG_DBAT3U CFG_IBAT3U
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#else
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/* SDRAM */
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#define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_RW)
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#define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
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#define CFG_DBAT0L CFG_IBAT1L
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#define CFG_DBAT0U CFG_IBAT1U
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/* address range for flashes */
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#define CFG_IBAT1L (CFG_FLASH_BASE | BATL_RW | BATL_CACHEINHIBIT)
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#define CFG_IBAT1U (CFG_FLASH_BASE | BATU_BL_16M | BATU_VS | BATU_VP)
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#define CFG_DBAT1L CFG_IBAT1L
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#define CFG_DBAT1U CFG_IBAT1U
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/* ISA IO space */
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#define CFG_IBAT2L (CFG_ISA_IO | BATL_RW | BATL_CACHEINHIBIT)
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#define CFG_IBAT2U (CFG_ISA_IO | BATU_BL_16M | BATU_VS | BATU_VP)
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#define CFG_DBAT2L CFG_IBAT2L
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#define CFG_DBAT2U CFG_IBAT2U
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/* ISA memory space */
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#define CFG_IBAT3L (CFG_ISA_MEM | BATL_RW | BATL_CACHEINHIBIT)
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#define CFG_IBAT3U (CFG_ISA_MEM | BATU_BL_16M | BATU_VS | BATU_VP)
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#define CFG_DBAT3L CFG_IBAT3L
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#define CFG_DBAT3U CFG_IBAT3U
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#endif
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/*
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* Speed settings are board specific
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*/
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#define CFG_BUS_HZ 100000000
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#define CFG_CPU_CLK 400000000
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#define CFG_BUS_CLK CFG_BUS_HZ
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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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* Cache Configuration
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*/
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#define CFG_CACHELINE_SIZE 32 /* For all MPC74xx CPUs */
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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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* L2CR setup -- make sure this is right for your board!
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* look in include/74xx_7xx.h for the defines used here
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*/
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#define CFG_L2
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#if 1
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#define L2_INIT 0 /* cpu 750 CXe*/
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#else
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#define L2_INIT (L2CR_L2SIZ_2M | L2CR_L2CLK_3 | L2CR_L2RAM_BURST | \
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L2CR_L2OH_5 | L2CR_L2CTL | L2CR_L2WT)
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#endif
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#define L2_ENABLE (L2_INIT | L2CR_L2E)
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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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#define CONFIG_NET_MULTI /* Multi ethernet cards support */
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#define CONFIG_EEPRO100
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#define CFG_RX_ETH_BUFFER 8 /* use 8 rx buffer on eepro100 */
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#define CONFIG_EEPRO100_SROM_WRITE
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#endif /* __CONFIG_H */
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