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https://github.com/AsahiLinux/u-boot
synced 2024-12-02 01:19:49 +00:00
a00eccfebc
This patch adds fdt (flattened device tree) support to all remaining AMCC eval boards. Most newer boards already support device tree. With this patch, all AMCC boards now enable device tree passing from U-Boot to Linux arch/powerpc kernels. Signed-off-by: Stefan Roese <sr@denx.de>
355 lines
12 KiB
C
355 lines
12 KiB
C
/*
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* (C) Copyright 2000-2005
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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_WALNUT 1 /* ...on a WALNUT board */
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/* ...and on a SYCAMORE board */
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#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
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#define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
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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=walnut\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/walnut/uImage\0" \
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"kernel_addr=fff80000\0" \
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"ramdisk_addr=fff80000\0" \
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"initrd_high=30000000\0" \
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"load=tftp 100000 /tftpboot/walnut/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 update\0" \
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""
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#define CONFIG_BOOTCOMMAND "run net_nfs"
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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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#define CONFIG_MII 1 /* MII PHY management */
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#define CONFIG_PHY_ADDR 1 /* PHY address */
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#define CFG_RX_ETH_BUFFER 16 /* use 16 rx buffer on 405 emac */
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#define CONFIG_HAS_ETH0 1
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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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#define CONFIG_RTC_DS174x 1 /* use DS1743 RTC in Walnut */
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/*
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* BOOTP options
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*/
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#define CONFIG_BOOTP_BOOTFILESIZE
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#define CONFIG_BOOTP_BOOTPATH
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#define CONFIG_BOOTP_GATEWAY
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#define CONFIG_BOOTP_HOSTNAME
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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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#define CONFIG_CMD_ASKENV
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#define CONFIG_CMD_DATE
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#define CONFIG_CMD_DHCP
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#define CONFIG_CMD_DIAG
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#define CONFIG_CMD_EEPROM
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#define CONFIG_CMD_ELF
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#define CONFIG_CMD_I2C
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#define CONFIG_CMD_IRQ
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#define CONFIG_CMD_MII
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#define CONFIG_CMD_NET
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#define CONFIG_CMD_NFS
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#define CONFIG_CMD_PCI
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#define CONFIG_CMD_PING
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#define CONFIG_CMD_REGINFO
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#define CONFIG_CMD_SDRAM
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#define CONFIG_CMD_SNTP
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#undef CONFIG_WATCHDOG /* watchdog disabled */
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#define CONFIG_SPD_EEPROM 1 /* use SPD EEPROM for setup */
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/*
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* Miscellaneous configurable options
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*/
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#define CFG_LONGHELP /* undef to save memory */
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#define CFG_PROMPT "=> " /* Monitor Command Prompt */
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#if defined(CONFIG_CMD_KGDB)
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#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
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#else
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#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
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#endif
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#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
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#define CFG_MAXARGS 16 /* max number of command args */
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#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
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#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
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#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
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/*
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* If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
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* If CFG_405_UART_ERRATA_59, then UART divisor is 31.
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* Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
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* The Linux BASE_BAUD define should match this configuration.
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* baseBaud = cpuClock/(uartDivisor*16)
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* If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
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* set Linux BASE_BAUD to 403200.
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*/
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#undef CONFIG_SERIAL_SOFTWARE_FIFO
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#undef CFG_EXT_SERIAL_CLOCK /* external serial clock */
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#undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
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#define CFG_BASE_BAUD 691200
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/* The following table includes the supported baudrates */
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#define CFG_BAUDRATE_TABLE \
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{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
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#define CFG_LOAD_ADDR 0x100000 /* default load address */
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#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
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#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
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#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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* I2C stuff
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*-----------------------------------------------------------------------
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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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/*-----------------------------------------------------------------------
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* PCI stuff
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*-----------------------------------------------------------------------
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*/
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#define PCI_HOST_ADAPTER 0 /* configure ar 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_FORCE /* select pci host function */
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#define CONFIG_PCI_PNP /* do pci plug-and-play */
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/* resource configuration */
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#define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
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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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#define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */
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#define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
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#define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
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#define CFG_PCI_PTM2LA 0x00000000 /* disabled */
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#define CFG_PCI_PTM2MS 0x00000000 /* disabled */
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#define CFG_PCI_PTM2PCI 0x04000000 /* 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 CFG_SDRAM_BASE _must_ start at 0
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*/
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#define CFG_SDRAM_BASE 0x00000000
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#define CFG_FLASH_BASE 0xFFF80000
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#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */
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#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
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#define CFG_MONITOR_BASE (-CFG_MONITOR_LEN)
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/*
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* Define here the location of the environment variables (FLASH or NVRAM).
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* Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
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* supported for backward compatibility.
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*/
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#if 1
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#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
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#else
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#define CFG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */
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#endif
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/*
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* For booting Linux, the board info and command line data
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* have to be in the first 8 MB of memory, since this is
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* the maximum mapped by the Linux kernel during initialization.
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*/
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#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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/*-----------------------------------------------------------------------
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* FLASH organization
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*/
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#define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
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#define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
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#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
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#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
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#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
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#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
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#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
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#define CFG_FLASH_ADDR0 0x5555
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#define CFG_FLASH_ADDR1 0x2aaa
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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 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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#endif /* CFG_ENV_IS_IN_FLASH */
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/*-----------------------------------------------------------------------
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* NVRAM organization
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*/
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#define CFG_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */
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#define CFG_NVRAM_SIZE 0x1ff8 /* NVRAM size */
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#ifdef CFG_ENV_IS_IN_NVRAM
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#define CFG_ENV_SIZE 0x1000 /* Size of Environment vars */
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#define CFG_ENV_ADDR \
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(CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE) /* Env */
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#endif
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/*-----------------------------------------------------------------------
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* 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 CFG_EBC_PB0AP 0x9B015480
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#define CFG_EBC_PB0CR 0xFFF18000 /* BAS=0xFFF,BS=1MB,BU=R/W,BW=8bit */
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#define CFG_EBC_PB1AP 0x02815480
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#define CFG_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
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#define CFG_EBC_PB2AP 0x04815A80
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#define CFG_EBC_PB2CR 0xF0118000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit */
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#define CFG_EBC_PB3AP 0x01815280
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#define CFG_EBC_PB3CR 0xF0218000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=8bit */
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#define CFG_EBC_PB7AP 0x01815280
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#define CFG_EBC_PB7CR 0xF0318000 /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit */
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/*-----------------------------------------------------------------------
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* External peripheral base address
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*-----------------------------------------------------------------------
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*/
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#define CFG_KEY_REG_BASE_ADDR 0xF0100000
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#define CFG_IR_REG_BASE_ADDR 0xF0200000
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#define CFG_FPGA_REG_BASE_ADDR 0xF0300000
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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_DCACHE_CS 4 /* use cs # 4 for data cache memory */
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#define CFG_INIT_RAM_ADDR 0x40000000 /* inside of SDRAM */
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#define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */
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#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
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#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
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#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
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/*-----------------------------------------------------------------------
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* Definitions for Serial Presence Detect EEPROM address
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* (to get SDRAM settings)
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*/
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#define SPD_EEPROM_ADDRESS 0x50
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/*
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* Internal Definitions
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*
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* Boot Flags
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*/
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#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
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#define BOOTFLAG_WARM 0x02 /* Software reboot */
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#if defined(CONFIG_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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/* pass open firmware flat tree */
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#define CONFIG_OF_LIBFDT 1
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#define CONFIG_OF_BOARD_SETUP 1
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#endif /* __CONFIG_H */
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