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https://github.com/AsahiLinux/u-boot
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24eea623d4
This patch disables some unused features from the PCI405 configuration to keep U-Boot image size below 192k. Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com> Signed-off-by: Stefan Roese <sr@denx.de>
316 lines
12 KiB
C
316 lines
12 KiB
C
/*
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* (C) Copyright 2007
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* Matthias Fuchs, esd gmbh, matthias.fuchs@esd-electronics.com
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*
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* (C) Copyright 2001-2004
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* Stefan Roese, DENX Software Engineering, sr@denx.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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/*
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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_405GP 1 /* This is a PPC405 CPU */
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#define CONFIG_4xx 1 /* ...member of PPC4xx family */
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#define CONFIG_PCI405 1 /* ...on a PCI405 board */
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#define CONFIG_BOARD_EARLY_INIT_F 1 /* call board_early_init_f() */
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#define CONFIG_MISC_INIT_R 1 /* call misc_init_r() on init */
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#define CONFIG_SYS_CLK_FREQ 25000000 /* external frequency to pll */
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#define CONFIG_BOARD_TYPES 1 /* support board types */
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#define CONFIG_BAUDRATE 115200
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#define CONFIG_BOOTDELAY 0 /* autoboot after 0 seconds */
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#undef CONFIG_BOOTARGS
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"mem_linux=14336k\0" \
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"optargs=panic=0\0" \
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"ramargs=setenv bootargs mem=$mem_linux root=/dev/ram rw\0" \
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"addcons=setenv bootargs $bootargs console=ttyS0,$baudrate $optargs\0" \
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""
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#define CONFIG_BOOTCOMMAND "run ramargs;run addcons;loadpci"
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#define CONFIG_PREBOOT /* enable preboot variable */
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/*
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* Command line configuration.
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*/
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#include <config_cmd_default.h>
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#undef CONFIG_CMD_IMLS
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#undef CONFIG_CMD_ITEST
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#undef CONFIG_CMD_LOADB
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#undef CONFIG_CMD_LOADS
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#undef CONFIG_CMD_NET
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#undef CONFIG_CMD_NFS
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#define CONFIG_CMD_PCI
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#define CONFIG_CMD_ELF
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#define CONFIG_CMD_I2C
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#define CONFIG_CMD_BSP
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#define CONFIG_CMD_EEPROM
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#undef CONFIG_WATCHDOG /* watchdog disabled */
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#define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */
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#define CONFIG_PRAM 2048 /* reserve 2 MB "protected RAM" */
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/*
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* Miscellaneous configurable options
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*/
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#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
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#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
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#ifdef CONFIG_SYS_HUSH_PARSER
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#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
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#endif
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#if defined(CONFIG_CMD_KGDB)
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#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
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#else
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#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
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#endif
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
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#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
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#define CONFIG_SYS_DEVICE_NULLDEV 1 /* include nulldev device */
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#define CONFIG_SYS_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
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#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
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#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
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#undef CONFIG_SYS_EXT_SERIAL_CLOCK /* no external serial clock used */
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#define CONFIG_SYS_IGNORE_405_UART_ERRATA_59 /* ignore ppc405gp errata #59 */
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#define CONFIG_SYS_BASE_BAUD 691200
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/* The following table includes the supported baudrates */
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#define CONFIG_SYS_BAUDRATE_TABLE \
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{ 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, \
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57600, 115200, 230400, 460800, 921600 }
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#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
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#define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_into (bd_t) */
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#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
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#undef CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
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#define CONFIG_VERSION_VARIABLE 1 /* include version env variable */
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/*-----------------------------------------------------------------------
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* PCI stuff
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*-----------------------------------------------------------------------
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*/
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#define PCI_HOST_ADAPTER 0 /* configure as pci adapter */
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#define PCI_HOST_FORCE 1 /* configure as pci host */
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#define PCI_HOST_AUTO 2 /* detected via arbiter enable */
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#define CONFIG_PCI /* include pci support */
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#define CONFIG_PCI_HOST PCI_HOST_ADAPTER /* select pci host function */
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#undef CONFIG_PCI_PNP /* no pci plug-and-play */
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/* resource configuration */
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#define CONFIG_PCI_SCAN_SHOW /* print pci devices @ startup */
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#define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x12FE /* PCI Vendor ID: esd gmbh */
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#define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0x0407 /* PCI Device ID: PCI-405 */
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#define CONFIG_SYS_PCI_CLASSCODE 0x0280 /* PCI Class Code: Network/Other*/
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#define CONFIG_SYS_PCI_PTM1LA 0x00000000 /* point to sdram */
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#define CONFIG_SYS_PCI_PTM1MS 0xff000001 /* 16MB, enable hard-wired to 1 */
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#define CONFIG_SYS_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
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#define CONFIG_SYS_PCI_PTM2LA 0xef600000 /* point to internal regs */
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#define CONFIG_SYS_PCI_PTM2MS 0xffe00001 /* 2MB, enable */
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#define CONFIG_SYS_PCI_PTM2PCI 0x00000000 /* Host: use this pci address */
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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 CONFIG_SYS_SDRAM_BASE _must_ start at 0
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*/
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#define CONFIG_SYS_SDRAM_BASE 0x00000000
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#define CONFIG_SYS_FLASH_BASE 0xFFFD0000
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#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
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#define CONFIG_SYS_MONITOR_LEN (192 * 1024) /* Reserve 196 kB for Monitor */
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#define CONFIG_SYS_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 CONFIG_SYS_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 CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
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#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
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#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
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#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
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#define CONFIG_SYS_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
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#define CONFIG_SYS_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
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#define CONFIG_SYS_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
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/*
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* The following defines are added for buggy IOP480 byte interface.
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* All other boards should use the standard values (CPCI405 etc.)
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*/
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#define CONFIG_SYS_FLASH_READ0 0x0000 /* 0 is standard */
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#define CONFIG_SYS_FLASH_READ1 0x0001 /* 1 is standard */
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#define CONFIG_SYS_FLASH_READ2 0x0002 /* 2 is standard */
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#define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
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#define CONFIG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */
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#define CONFIG_ENV_OFFSET 0x000 /* environment starts at the beginning of the EEPROM */
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#define CONFIG_ENV_SIZE 0x400 /* 1024 bytes may be used for env vars*/
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/* total size of a CAT24WC08 is 1024 bytes */
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#define CONFIG_SYS_NVRAM_BASE_ADDR 0xf0200000 /* NVRAM base address */
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#define CONFIG_SYS_NVRAM_SIZE (32*1024) /* NVRAM size */
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/*-----------------------------------------------------------------------
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* I2C EEPROM (CAT24WC16) for environment
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*/
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#define CONFIG_HARD_I2C /* I2c with hardware support */
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#define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed and slave address */
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#define CONFIG_SYS_I2C_SLAVE 0x7F
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#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC08 */
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#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */
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/* mask of address bits that overflow into the "EEPROM chip address" */
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#define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x07
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#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4 /* The Catalyst CAT24WC08 has */
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/* 16 byte page write mode using*/
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/* last 4 bits of the address */
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#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
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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 0xFFE00000 /* FLASH bank #0 */
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/*-----------------------------------------------------------------------
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* External Bus Controller (EBC) Setup
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*/
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/* Memory Bank 0 (Flash Bank 0) initialization */
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#define CONFIG_SYS_EBC_PB0AP 0x92015480
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#define CONFIG_SYS_EBC_PB0CR 0xFFC5A000 /* BAS=0xFFC,BS=4MB,BU=R/W,BW=16bit */
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/* Memory Bank 1 (NVRAM/RTC) initialization */
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#define CONFIG_SYS_EBC_PB1AP 0x01005280 /* TWT=2,WBN=1,WBF=1,TH=1,SOR=1 */
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#define CONFIG_SYS_EBC_PB1CR 0xF0218000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=8bit */
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/* Memory Bank 2 (CAN0, 1) initialization */
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#define CONFIG_SYS_EBC_PB2AP 0x010053C0 /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
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/*#define CONFIG_SYS_EBC_PB2AP 0x038056C0 / * BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
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#define CONFIG_SYS_EBC_PB2CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
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/* Memory Bank 3 (FPGA internal) initialization */
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#define CONFIG_SYS_EBC_PB3AP 0x010053C0 /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
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#define CONFIG_SYS_EBC_PB3CR 0xF041C000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=32bit */
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#define CONFIG_SYS_FPGA_BASE_ADDR 0xF0400000
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/*-----------------------------------------------------------------------
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* FPGA stuff
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*/
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/* FPGA internal regs */
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#define CONFIG_SYS_FPGA_MODE 0x00
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#define CONFIG_SYS_FPGA_STATUS 0x02
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#define CONFIG_SYS_FPGA_TS 0x04
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#define CONFIG_SYS_FPGA_TS_LOW 0x06
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#define CONFIG_SYS_FPGA_TS_CAP0 0x10
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#define CONFIG_SYS_FPGA_TS_CAP0_LOW 0x12
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#define CONFIG_SYS_FPGA_TS_CAP1 0x14
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#define CONFIG_SYS_FPGA_TS_CAP1_LOW 0x16
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#define CONFIG_SYS_FPGA_TS_CAP2 0x18
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#define CONFIG_SYS_FPGA_TS_CAP2_LOW 0x1a
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#define CONFIG_SYS_FPGA_TS_CAP3 0x1c
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#define CONFIG_SYS_FPGA_TS_CAP3_LOW 0x1e
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/* FPGA Mode Reg */
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#define CONFIG_SYS_FPGA_MODE_CF_RESET 0x0001
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#define CONFIG_SYS_FPGA_MODE_TS_IRQ_ENABLE 0x0100
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#define CONFIG_SYS_FPGA_MODE_TS_IRQ_CLEAR 0x1000
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#define CONFIG_SYS_FPGA_MODE_TS_CLEAR 0x2000
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/* FPGA Status Reg */
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#define CONFIG_SYS_FPGA_STATUS_DIP0 0x0001
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#define CONFIG_SYS_FPGA_STATUS_DIP1 0x0002
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#define CONFIG_SYS_FPGA_STATUS_DIP2 0x0004
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#define CONFIG_SYS_FPGA_STATUS_FLASH 0x0008
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#define CONFIG_SYS_FPGA_STATUS_TS_IRQ 0x1000
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#define CONFIG_SYS_FPGA_SPARTAN2 1 /* using Xilinx Spartan 2 now */
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#define CONFIG_SYS_FPGA_MAX_SIZE 32*1024 /* 32kByte is enough for XC2S15 */
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/* FPGA program pin configuration */
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#define CONFIG_SYS_FPGA_PRG 0x04000000 /* FPGA program pin (ppc output) */
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#define CONFIG_SYS_FPGA_CLK 0x02000000 /* FPGA clk pin (ppc output) */
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#define CONFIG_SYS_FPGA_DATA 0x01000000 /* FPGA data pin (ppc output) */
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#define CONFIG_SYS_FPGA_INIT 0x00400000 /* FPGA init pin (ppc input) */
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#define CONFIG_SYS_FPGA_DONE 0x00800000 /* FPGA done pin (ppc input) */
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/* new INIT and DONE pins since board revision 1.2 (for PPC405GPr support) */
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#define CONFIG_SYS_FPGA_INIT_V12 0x00008000 /* FPGA init pin (ppc input) */
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#define CONFIG_SYS_FPGA_DONE_V12 0x00010000 /* FPGA done pin (ppc input) */
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/*-----------------------------------------------------------------------
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* Definitions for initial stack pointer and data area (in data cache)
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*/
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/* use on chip memory ( OCM ) for temperary stack until sdram is tested */
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#define CONFIG_SYS_TEMP_STACK_OCM 1
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/* On Chip Memory location */
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#define CONFIG_SYS_OCM_DATA_ADDR 0xF8000000
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#define CONFIG_SYS_OCM_DATA_SIZE 0x1000
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#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of SDRAM */
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#define CONFIG_SYS_INIT_RAM_END CONFIG_SYS_OCM_DATA_SIZE /* End of used area in RAM */
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#define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
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#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
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#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
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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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#endif /* __CONFIG_H */
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