mirror of
https://github.com/AsahiLinux/u-boot
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00cdb4ce5e
The AMCC Luan now uses the common 440SP(e) DDR SPD code for DDR inititializition. This includes DDR auto calibration and support for different DIMM modules, instead of the fixed setup used in the earlier version. This patch also enables the cache in FLASH for the startup phase of U-Boot (while running from FLASH). After relocating to SDRAM the cache is disabled again. This will speed up the boot process, especially the SDRAM setup, since there are some loops for memory testing (auto calibration). Signed-off-by: Stefan Roese <sr@denx.de>
313 lines
12 KiB
C
313 lines
12 KiB
C
/*
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* (C) Copyright 2005
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* Stefan Roese, DENX Software Engineering, sr@denx.de.
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* John Otken, jotken@softadvances.com
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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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* luan.h - configuration for LUAN board
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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_LUAN 1 /* Board is Luan */
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#define CONFIG_440SP 1 /* Specific PPC440SP support */
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#define CONFIG_4xx 1 /* PPC4xx family */
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#define CONFIG_440 1
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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_early_init_f() */
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#define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */
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#define CONFIG_ADD_RAM_INFO 1 /* Print additional info */
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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_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */
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#define CFG_MALLOC_LEN (256 * 1024) /* Reserve 256 kB for malloc */
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#define CFG_MONITOR_BASE (-CFG_MONITOR_LEN)
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#define CFG_SDRAM_BASE 0x00000000 /* MUST be zero */
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#define CFG_LARGE_FLASH 0xffc00000 /* 4MB flash address CS0 */
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#define CFG_SMALL_FLASH 0xff900000 /* 1MB flash address CS2 */
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#define CFG_SRAM_BASE 0xff800000 /* 1MB SRAM address CS2 */
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#define CFG_EPLD_BASE 0xff000000 /* EPLD and FRAM CS1 */
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#define CFG_ISRAM_BASE 0xf8000000 /* internal 8k SRAM (L2 cache) */
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#define CFG_PERIPHERAL_BASE 0xf0000000 /* internal peripherals */
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#define CFG_PCI_MEMBASE 0x80000000 /* mapped pci memory */
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#define CFG_PCI_BASE 0xd0000000 /* internal PCI regs */
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#define CFG_PCI_TARGBASE 0x80000000 /* PCIaddr mapped to CFG_PCI_MEMBASE */
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#if CFG_LARGE_FLASH == 0xffc00000
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#define CFG_FLASH_BASE CFG_LARGE_FLASH
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#else
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#define CFG_FLASH_BASE CFG_SMALL_FLASH
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#endif
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#undef CFG_DRAM_TEST
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#if CFG_SRAM_BASE
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#define CFG_KBYTES_SDRAM 1024*2
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#else
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#define CFG_KBYTES_SDRAM 1024
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#endif
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/*-----------------------------------------------------------------------
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* Initial RAM & stack pointer (placed in SDRAM)
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*----------------------------------------------------------------------*/
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#define CFG_INIT_RAM_ADDR CFG_ISRAM_BASE
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#define CFG_INIT_RAM_END (8 << 10)
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#define CFG_GBL_DATA_SIZE 256 /* 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_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
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/*-----------------------------------------------------------------------
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* Serial Port
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*----------------------------------------------------------------------*/
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#define CFG_EXT_SERIAL_CLOCK 11059200 /* external 11.059MHz clk */
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#define CONFIG_BAUDRATE 115200
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#undef CONFIG_SERIAL_MULTI
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#undef CONFIG_UART1_CONSOLE /* define if you want console on UART1 */
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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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/*
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* Define here the location of the environment variables (FLASH or EEPROM).
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* Note: DENX encourages to use redundant environment in FLASH.
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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_MAX_FLASH_BANKS 3 /* max number of memory banks */
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#define CFG_MAX_FLASH_SECT 64 /* 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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#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
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#define CFG_FLASH_ADDR0 0x555
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#define CFG_FLASH_ADDR1 0x2aa
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#define CFG_FLASH_WORD_SIZE unsigned char
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#ifdef CFG_ENV_IS_IN_FLASH
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#define CFG_ENV_SECT_SIZE 0x10000 /* 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 0x2000 /* 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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#endif /* CFG_ENV_IS_IN_FLASH */
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/*-----------------------------------------------------------------------
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* DDR SDRAM
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*----------------------------------------------------------------------*/
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#define CONFIG_SPD_EEPROM 1 /* Use SPD EEPROM for setup */
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#define SPD_EEPROM_ADDRESS {0x53, 0x52} /* SPD i2c spd addresses*/
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#undef CONFIG_DDR_ECC /* no ECC support for now */
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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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#define CFG_I2C_MULTI_EEPROMS
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#define CFG_I2C_EEPROM_ADDR (0xa8>>1)
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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 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=luan\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 $(bootargs) console=ttyS0,$(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/luan/uImage\0" \
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"kernel_addr=fc000000\0" \
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"ramdisk_addr=fc100000\0" \
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"initrd_high=30000000\0" \
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"load=tftp 100000 /tftpboot/luan/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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""
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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_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_MII 1 /* MII PHY management */
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#define CONFIG_PHY_ADDR 1
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#define CONFIG_CIS8201_PHY 1 /* Enable 'special' RGMII mode for Cicada phy */
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#define CONFIG_PHY_GIGE 1 /* Include GbE speed/duplex detection */
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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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#define CONFIG_NET_MULTI /* needed for NetConsole */
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#ifdef DEBUG
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#define CONFIG_PANIC_HANG
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#else
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#define CONFIG_HW_WATCHDOG /* watchdog */
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#endif
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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_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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CFG_CMD_SDRAM | \
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0)
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/* this must be included AFTER the definition of CONFIG_COMMANDS */
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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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#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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#undef CONFIG_LYNXKDI /* support kdi files */
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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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#if (CONFIG_COMMANDS & CFG_CMD_PCI)
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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 (not) pci plug-and-play */
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#define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
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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
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#undef CFG_PCI_MASTER_INIT
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#define CFG_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */
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#define CFG_PCI_SUBSYS_DEVICEID 0x4403 /* whatever */
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#endif /* CONFIG_COMMANDS & CFG_CMD_PCI */
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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 (32<<10) /* 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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