mirror of
https://github.com/AsahiLinux/u-boot
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5a753f98c6
Some boards that can have more than 768MBytes of SDRAM need to set "initrd_high", so that the initrd can be accessed by the Linux kernel. Signed-off-by: Stefan Roese <sr@denx.de>
334 lines
13 KiB
C
334 lines
13 KiB
C
/*
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* (C) Copyright 2007
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* Stefan Roese, DENX Software Engineering, sr@denx.de.
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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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* TAISHAN.h - configuration for AMCC 440GX Ref
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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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*----------------------------------------------------------------------*/
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#define CONFIG_TAISHAN 1 /* Board is taishan */
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#define CONFIG_440GX 1 /* Specifc GX support */
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#define CONFIG_4xx 1 /* ... PPC4xx family */
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#undef CFG_DRAM_TEST /* Disable-takes long time! */
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#define CONFIG_SYS_CLK_FREQ 33333333 /* external freq to pll */
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#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_pre_init */
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#define CONFIG_MISC_INIT_R 1 /* Call misc_init_r */
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/*-----------------------------------------------------------------------
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* Base addresses -- Note these are effective addresses where the
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* actual resources get mapped (not physical addresses)
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*----------------------------------------------------------------------*/
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#define CFG_SDRAM_BASE 0x00000000 /* _must_ be 0 */
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#define CFG_FLASH_BASE 0xfc000000 /* start of FLASH */
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#define CFG_MONITOR_BASE 0xfffc0000 /* start of monitor */
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#define CFG_PCI_MEMBASE 0x80000000 /* mapped pci memory */
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#define CFG_PERIPHERAL_BASE 0xe0000000 /* internal peripherals */
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#define CFG_ISRAM_BASE 0xc0000000 /* internal SRAM */
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#define CFG_PCI_BASE 0xd0000000 /* internal PCI regs */
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#define CFG_EBC0_FLASH_BASE CFG_FLASH_BASE
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#define CFG_EBC1_FPGA_BASE (CFG_PERIPHERAL_BASE + 0x01000000)
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#define CFG_EBC2_LCM_BASE (CFG_PERIPHERAL_BASE + 0x02000000)
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#define CFG_EBC3_CONN_BASE (CFG_PERIPHERAL_BASE + 0x08000000)
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#define CFG_GPIO_BASE (CFG_PERIPHERAL_BASE + 0x00000700)
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/*-----------------------------------------------------------------------
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* Initial RAM & stack pointer (placed in internal SRAM)
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*----------------------------------------------------------------------*/
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#define CFG_TEMP_STACK_OCM 1
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#define CFG_OCM_DATA_ADDR CFG_ISRAM_BASE
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#define CFG_INIT_RAM_ADDR CFG_ISRAM_BASE /* Initial RAM address */
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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 /* num bytes 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_POST_WORD_ADDR (CFG_GBL_DATA_OFFSET - 0x4)
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#define CFG_INIT_SP_OFFSET CFG_POST_WORD_ADDR
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#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon*/
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#define CFG_MALLOC_LEN (1024 * 1024) /* Reserve 1024 kB for malloc*/
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/*-----------------------------------------------------------------------
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* Serial Port
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*----------------------------------------------------------------------*/
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#define CONFIG_UART1_CONSOLE 1 /* use of UART1 as console */
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#define CONFIG_SERIAL_MULTI 1 /* enable serial multi support */
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#define CFG_EXT_SERIAL_CLOCK (1843200 * 6) /* Ext clk @ 11.059 MHz */
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#define CONFIG_BAUDRATE 115200
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#define CFG_BAUDRATE_TABLE \
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{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200}
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/*-----------------------------------------------------------------------
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* Environment
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*----------------------------------------------------------------------*/
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#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
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/*-----------------------------------------------------------------------
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* FLASH related
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*----------------------------------------------------------------------*/
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#define CFG_FLASH_CFI
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#define CFG_FLASH_CFI_DRIVER
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#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
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#define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
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#define CFG_FLASH_BANKS_LIST {CFG_FLASH_BASE}
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#define CFG_MAX_FLASH_BANKS 1 /* number of banks */
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#define CFG_MAX_FLASH_SECT 1024 /* sectors per device */
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#undef CFG_FLASH_CHECKSUM
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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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#define CFG_ENV_SECT_SIZE 0x40000 /* size of one complete sector */
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#define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
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#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
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/* Address and size of Redundant Environment Sector */
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#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
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#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
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/*-----------------------------------------------------------------------
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* E2PROM bootstrap configure value
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*----------------------------------------------------------------------*/
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/*
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* 800/133/66
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* IIC 0~15: 86 78 11 6a 61 A7 04 62 00 00 00 00 00 00 00 00
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*/
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/*
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* 800/160/80
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* IIC 0~15: 86 78 c1 a6 09 67 04 63 00 00 00 00 00 00 00 00
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*/
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/*-----------------------------------------------------------------------
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* DDR SDRAM
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*----------------------------------------------------------------------*/
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#undef CONFIG_SPD_EEPROM /* Don't use SPD EEPROM for setup */
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#define CONFIG_SDRAM_BANK0 1 /* init onboard DDR SDRAM bank 0 */
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#define CFG_SDRAM0_TR0 0xC10A401A
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#undef CONFIG_SDRAM_ECC /* enable ECC support */
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/*-----------------------------------------------------------------------
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* I2C
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*----------------------------------------------------------------------*/
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#define CONFIG_HARD_I2C 1 /* I2C with hardware support */
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#undef CONFIG_SOFT_I2C /* I2C bit-banged */
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#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
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#define CFG_I2C_SLAVE 0x7F
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#undef CFG_I2C_MULTI_EEPROMS
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#define CFG_I2C_EEPROM_ADDR 0x50
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#define CFG_I2C_EEPROM_ADDR_LEN 1
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#define CFG_EEPROM_PAGE_WRITE_ENABLE
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#define CFG_EEPROM_PAGE_WRITE_BITS 3
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#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
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#define CFG_BOOTSTRAP_IIC_ADDR 0x50
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/* I2C SYSMON (LM75, AD7414 is almost compatible) */
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#define CONFIG_DTT_LM75 1 /* ON Semi's LM75 */
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#define CONFIG_DTT_SENSORS {0} /* Sensor addresses */
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#define CFG_DTT_MAX_TEMP 70
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#define CFG_DTT_LOW_TEMP -30
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#define CFG_DTT_HYSTERESIS 3
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/*-----------------------------------------------------------------------
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* Environment
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*----------------------------------------------------------------------*/
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#define CONFIG_PREBOOT "echo;" \
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"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
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"echo"
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#undef CONFIG_BOOTARGS
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"netdev=eth0\0" \
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"hostname=taishan\0" \
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"nfsargs=setenv bootargs root=/dev/nfs rw " \
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"nfsroot=${serverip}:${rootpath}\0" \
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"ramargs=setenv bootargs root=/dev/ram rw\0" \
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"addip=setenv bootargs ${bootargs} " \
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"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
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":${hostname}:${netdev}:off panic=1\0" \
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"addtty=setenv bootargs ${bootargs} console=ttyS1,${baudrate}\0"\
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"flash_nfs=run nfsargs addip addtty;" \
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"bootm ${kernel_addr}\0" \
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"flash_self=run ramargs addip addtty;" \
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"bootm ${kernel_addr} ${ramdisk_addr}\0" \
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"net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;" \
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"bootm\0" \
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"rootpath=/opt/eldk/ppc_4xx\0" \
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"bootfile=/tftpboot/taishan/uImage\0" \
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"kernel_addr=fc000000\0" \
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"ramdisk_addr=fc180000\0" \
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"initrd_high=30000000\0" \
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"load=tftp 100000 /tftpboot/taishan/u-boot.bin\0" \
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"update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;" \
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"cp.b 100000 fffc0000 40000;" \
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"setenv filesize;saveenv\0" \
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"upd=run load;run update\0" \
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"fixedip=setenv bootargs $(bootargs) ip=$(ipaddr):$(serverip):" \
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"$(gatewayip):$(netmask):$(hostname):$(netdev):off panic=1\0" \
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"dhcp=setenv bootargs $(bootargs) ip=dhcp\0" \
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"kozio=bootm 0xffe00000\0" \
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""
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#define CONFIG_BOOTCOMMAND "run flash_self"
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#if 0
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#define CONFIG_BOOTDELAY -1 /* autoboot disabled */
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#else
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#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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#endif
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#define CONFIG_BAUDRATE 115200
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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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/*-----------------------------------------------------------------------
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* Networking
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*----------------------------------------------------------------------*/
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#define CONFIG_EMAC_NR_START 2 /* start with EMAC 2 (skip 0&1) */
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#define CONFIG_MII 1 /* MII PHY management */
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#define CONFIG_NET_MULTI 1
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#define CONFIG_PHY_ADDR 0xff /* no phy on EMAC0 */
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#define CONFIG_PHY1_ADDR 0xff /* no phy on EMAC1 */
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#define CONFIG_PHY2_ADDR 0x1
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#define CONFIG_PHY3_ADDR 0x3
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#define CONFIG_ET1011C_PHY 1
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#define CONFIG_HAS_ETH0
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#define CONFIG_HAS_ETH1
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#define CONFIG_HAS_ETH2
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#define CONFIG_HAS_ETH3
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#define CONFIG_PHY_GIGE 1 /* Include GbE speed/duplex detection */
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#define CONFIG_PHY_RESET 1 /* reset phy upon startup */
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#define CONFIG_PHY_RESET_DELAY 1000
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#define CFG_RX_ETH_BUFFER 32 /* Number of ethernet rx buffers & descriptors */
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#define CONFIG_NETCONSOLE /* include NetConsole support */
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/*-----------------------------------------------------------------------
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* Console/Commands/Parser
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*----------------------------------------------------------------------*/
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#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
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CFG_CMD_ASKENV | \
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CFG_CMD_DHCP | \
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CFG_CMD_DIAG | \
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CFG_CMD_DTT | \
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CFG_CMD_ELF | \
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CFG_CMD_EEPROM | \
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CFG_CMD_I2C | \
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CFG_CMD_IRQ | \
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CFG_CMD_MII | \
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CFG_CMD_NET | \
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CFG_CMD_NFS | \
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CFG_CMD_PCI | \
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CFG_CMD_PING | \
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CFG_CMD_REGINFO)
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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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/*-----------------------------------------------------------------------
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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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#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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#define CONFIG_CMDLINE_EDITING 1 /* add command line history */
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#define CONFIG_LOOPW 1 /* enable loopw command */
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#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
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#define 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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/* General PCI */
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#define CONFIG_PCI /* include pci support */
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#define CONFIG_PCI_PNP /* do pci plug-and-play */
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#define CONFIG_EEPRO100 1 /* include PCI EEPRO100 */
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#define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
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#define CFG_PCI_TARGBASE 0x80000000 /* PCIaddr mapped to CFG_PCI_MEMBASE */
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/* Board-specific PCI */
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#define CFG_PCI_PRE_INIT /* enable board pci_pre_init() */
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#define CFG_PCI_TARGET_INIT /* let board init pci target */
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#define CFG_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */
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#define CFG_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */
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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_DCACHE_SIZE 32768 /* For AMCC 440 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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* 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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#endif /* __CONFIG_H */
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