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/*
* (C) Copyright 2000, 2001
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
* David Updegraff, Cray, Inc. dave@cray.com: our 405 is walnut-lite..
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*
* board/config.h - configuration options, board specific
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#define CONFIG_CRAYL1
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_405GP 1 /* This is a PPC405 CPU */
#define CONFIG_4xx 1 /* ...member of PPC405 family */
#define CONFIG_SYS_CLK_FREQ 25000000
#define CONFIG_BAUDRATE 9600
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#define CONFIG_MII 1 /* MII PHY management */
#define CONFIG_PHY_ADDR 1 /* PHY address; handling of ENET */
#define CONFIG_BOARD_PRE_INIT 1 /* setup for 405gp */
#define CONFIG_MISC_INIT_R 1 /* so that a misc_init_r() is called */
/* set PRAM to keep U-Boot out, mem= to keep linux out, and initrd_hi to
* keep possible initrd ramdisk decompression out. This is in k (1024 bytes)
#define CONFIG_PRAM 16
*/
#define CONFIG_LOADADDR 0x100000
#undef CONFIG_BOOTARGS
/* the logic is that booting is driven by what env vars get set from DHCP.
* Normal DHCP sets things like serverip, rootpath, etc.
* if printenv
*/
#define CFG_AUTOLOAD "yes"
#define CONFIG_BOOTCOMMAND "dhcp;"\
"setenv bootargs devfs=mount;"\
"setenv bootargs ip=$ipaddr:$serverip:$gatewayip:$netmask:::off $bootargs;"\
"if printenv initrd;"\
"then;" \
"setenv initrd_hi $mem;"\
"tftp 1000000 $initrd;"\
"setenv bootargs root=/dev/ram0 rw cwsroot=$serverip:$rootpath $bootargs;"\
"bootm 100000 1000000;"\
"else;"\
"setenv bootargs root=/dev/nfs ro nfsroot=$serverip:$rootpath $bootargs;"\
"bootm 100000;"\
"fi;"
#define CONFIG_EXTRA_ENV_SETTINGS ""
/*
* ..during experiments..
#define CONFIG_SERVERIP 10.0.0.1
#define CONFIG_ETHADDR 00:40:a6:80:14:5
*/
#define CONFIG_HARD_I2C 1 /* hardware support for i2c */
#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
#define CFG_I2C_SLAVE 0x7F
#define CFG_I2C_EEPROM_ADDR 0x57
#define CFG_I2C_EEPROM_ADDR_LEN 1
#define CONFIG_IDENT_STRING "Cray L1"
#define CONFIG_ENV_OVERWRITE 1
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
#define CFG_HUSH_PARSER 1
#define CFG_PROMPT_HUSH_PS2 "> "
#define CONFIG_COMMANDS (\
CFG_CMD_BDI|\
CFG_CMD_IMI|\
CFG_CMD_FLASH|\
CFG_CMD_MEMORY|\
CFG_CMD_NET|\
CFG_CMD_ENV|\
CFG_CMD_CONSOLE|\
CFG_CMD_ASKENV|\
CFG_CMD_ECHO|\
CFG_CMD_IMMAP|\
CFG_CMD_REGINFO|\
CFG_CMD_DHCP|\
CFG_CMD_DATE|\
CFG_CMD_RUN|\
CFG_CMD_I2C|\
CFG_CMD_EEPROM|\
CFG_CMD_SETGETDCR)
/*
* optional BOOTP / DHCP fields
*/
#define CONFIG_BOOTP_MASK (\
CONFIG_BOOTP_VENDOREX|\
CONFIG_BOOTP_SUBNETMASK|\
CONFIG_BOOTP_GATEWAY|\
CONFIG_BOOTP_DNS|\
CONFIG_BOOTP_HOSTNAME|\
CONFIG_BOOTP_BOOTFILESIZE|\
CONFIG_BOOTP_BOOTPATH)
/*
* bauds. Just to make it compile; in our case, I read the base_baud
* from the DCR anyway, so its kinda-tied to the above ref. clock which in turn
* drives the system clock.
*/
#define CFG_BASE_BAUD 403225
#define CFG_BAUDRATE_TABLE \
{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
/*
* Miscellaneous configurable options
*/
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_LOAD_ADDR 0x100000/* where to load what we get from TFTP */
#define CFG_TFTP_LOADADDR CFG_LOAD_ADDR
#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
/*-----------------------------------------------------------------------
* Start addresses for the final memory configuration
* (Set up by the startup code)
* Please note that CFG_SDRAM_BASE _must_ start at 0
*/
#define CFG_SDRAM_BASE 0x00000000
#define CFG_FLASH_BASE 0xFFC00000
#define CFG_MONITOR_BASE TEXT_BASE
#ifndef CFG_HUSH_PARSER
#define CFG_MONITOR_LEN (128 * 1024) /* Reserve 128 kB for Monitor */
#define CFG_ENV_OFFSET 0x3D0000
#else
#define CFG_MONITOR_LEN (192 * 1024) /* Reserve 192 kB for Monitor */
#define CFG_ENV_OFFSET 0x3FE000
#endif
#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
/*
* For booting Linux, the board info and command line data
* have to be in the first 8 MB of memory, since this is
* the maximum mapped by the Linux kernel during initialization.
*/
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
/*-----------------------------------------------------------------------
* FLASH organization
*/
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 64 /* max number of sectors on one chip */
#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
/* BEG ENVIRONNEMENT FLASH: needs to be a whole FlashSector */
#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
#define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
#define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
/* Memory tests: U-Boot relocates itself to the top of Ram, so its at
* 32meg-(128k+some_malloc_space+copy-of-ENV sector)..
*/
#define CFG_SDRAM_SIZE 32 /* megs of ram */
#define CFG_MEMTEST_START 0x2000 /* memtest works from the end of */
/* the exception vector table */
/* to the end of the DRAM */
/* less monitor and malloc area */
#define CFG_STACK_USAGE 0x10000 /* Reserve 64k for the stack usage */
#define CFG_MEM_END_USAGE ( CFG_MONITOR_LEN \
+ CFG_MALLOC_LEN \
+ CFG_ENV_SECT_SIZE \
+ CFG_STACK_USAGE )
#define CFG_MEMTEST_END (CFG_SDRAM_SIZE * 1024 * 1024 - CFG_MEM_END_USAGE)
/* END ENVIRONNEMENT FLASH */
/*-----------------------------------------------------------------------
* Cache Configuration. Only used to ..?? clear it, I guess..
*/
#define CFG_DCACHE_SIZE 16384
#define CFG_CACHELINE_SIZE 32
/*
* Init Memory Controller:
*
* BR0/1 and OR0/1 (FLASH)
*/
#define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in OnChipMem )
*/
#if 0
#define CFG_INIT_RAM_ADDR 0x40000000 /* use data cache */
#define CFG_INIT_RAM_END 0x2000 /* End of used area in RAM */
#else
#define CFG_TEMP_STACK_OCM 1
#define CFG_OCM_DATA_ADDR 0xF0000000
#define CFG_OCM_DATA_SIZE 0x1000
#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of On Chip SRAM */
#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of On Chip SRAM */
#endif
#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
/*-----------------------------------------------------------------------
* Definitions for Serial Presence Detect EEPROM address
*/
#define EEPROM_WRITE_ADDRESS 0xA0
#define EEPROM_READ_ADDRESS 0xA1
/*
* Internal Definitions
*
* Boot Flags
*/
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
#define BOOTFLAG_WARM 0x02 /* Software reboot */
#endif /* __CONFIG_H */
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