mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-20 11:43:22 +00:00
c837dcb1a3
before we can access it; add delay in case we are faster (with no CF card inserted) * Cleanup of some init functions * Make sure SCC Ethernet is always stopped by the time we boot Linux to avoid Linux crashes by early packets coming in. * Accelerate flash accesses on LWMON board by using buffered writes
247 lines
8.1 KiB
C
247 lines
8.1 KiB
C
/*
|
|
* (C) Copyright 2000-2004
|
|
* 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_EARLY_INIT_F 1 /* early 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 /* where TFTP images go */
|
|
#undef CONFIG_BOOTARGS
|
|
|
|
/* Bootcmd is overridden by the bootscript in board/cray/L1
|
|
*/
|
|
#define CFG_AUTOLOAD "no"
|
|
#define CONFIG_BOOTCOMMAND "dhcp"
|
|
|
|
/*
|
|
* ..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 CONFIG_SDRAM_BANK0 1
|
|
#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_AUTOSCRIPT 1
|
|
|
|
|
|
#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_DIAG|\
|
|
CFG_CMD_AUTOSCRIPT|\
|
|
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)
|
|
|
|
/*
|
|
* how many time to fail & restart a net-TFTP before giving up & resetting
|
|
* the board hoping that a reset of net interface might help..
|
|
*/
|
|
#define CONFIG_NET_RESET 5
|
|
|
|
/*
|
|
* 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) */
|
|
#define CFG_DRAM_TEST 1
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* 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
|
|
|
|
|
|
#define CFG_MONITOR_LEN (192 * 1024) /* Reserve 192 kB for Monitor */
|
|
|
|
/*
|
|
* 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_OFFSET 0x3c8000
|
|
#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
|
|
#define CFG_ENV_SIZE 0x1000 /* Total Size of Environment area */
|
|
#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_MALLOC_LEN (128 << 10) /* 128k for malloc space */
|
|
#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 1
|
|
/* On Chip Memory location */
|
|
#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 SDRAM */
|
|
#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */
|
|
#define CFG_GBL_DATA_SIZE 256 /* 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
|
|
#else
|
|
#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 */
|
|
#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
|
|
#endif
|
|
|
|
/*-----------------------------------------------------------------------
|
|
* 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 */
|