upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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228 lines
7.5 KiB
228 lines
7.5 KiB
/*
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* (C) Copyright 2000-2004
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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* David Updegraff, Cray, Inc. dave@cray.com: our 405 is walnut-lite..
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*
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* SPDX-License-Identifier: GPL-2.0+
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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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#define CONFIG_CRAYL1
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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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/*
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* Note: I make an "image" from U-Boot itself, which prefixes 0x40
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* bytes of header info, hence start address is thus shifted.
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*/
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#define CONFIG_SYS_TEXT_BASE 0xFFFD0040
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#define CONFIG_SYS_CLK_FREQ 25000000
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#define CONFIG_BAUDRATE 9600
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#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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#define CONFIG_PPC4xx_EMAC
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#define CONFIG_MII 1 /* MII PHY management */
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#define CONFIG_PHY_ADDR 1 /* PHY address; handling of ENET */
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#define CONFIG_BOARD_EARLY_INIT_F 1 /* early setup for 405gp */
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#define CONFIG_MISC_INIT_R 1 /* so that a misc_init_r() is called */
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#define CONFIG_CONS_INDEX 1 /* Use UART0 */
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#define CONFIG_SYS_NS16550
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#define CONFIG_SYS_NS16550_SERIAL
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#define CONFIG_SYS_NS16550_REG_SIZE 1
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#define CONFIG_SYS_NS16550_CLK get_serial_clock()
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/* set PRAM to keep U-Boot out, mem= to keep linux out, and initrd_hi to
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* keep possible initrd ramdisk decompression out. This is in k (1024 bytes)
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#define CONFIG_PRAM 16
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*/
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#define CONFIG_LOADADDR 0x100000 /* where TFTP images go */
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#undef CONFIG_BOOTARGS
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/* Bootcmd is overridden by the bootscript in board/cray/L1
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*/
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#define CONFIG_SYS_AUTOLOAD "no"
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#define CONFIG_BOOTCOMMAND "dhcp"
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/*
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* ..during experiments..
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#define CONFIG_SERVERIP 10.0.0.1
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#define CONFIG_ETHADDR 00:40:a6:80:14:5
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*/
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#define CONFIG_SYS_I2C
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#define CONFIG_SYS_I2C_PPC4XX
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#define CONFIG_SYS_I2C_PPC4XX_CH0
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#define CONFIG_SDRAM_BANK0 1
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#define CONFIG_SYS_I2C_PPC4XX_SPEED_0 400000
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#define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F
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#define CONFIG_SYS_I2C_EEPROM_ADDR 0x57
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#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
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#define CONFIG_IDENT_STRING "Cray L1"
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#define CONFIG_ENV_OVERWRITE 1
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#define CONFIG_SYS_HUSH_PARSER 1
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#define CONFIG_SOURCE 1
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/*
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* Command line configuration.
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*/
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#define CONFIG_CMD_ASKENV
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#define CONFIG_CMD_BDI
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#define CONFIG_CMD_CONSOLE
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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_ECHO
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#define CONFIG_CMD_EEPROM
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#define CONFIG_CMD_FLASH
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#define CONFIG_CMD_I2C
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#define CONFIG_CMD_IMI
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#define CONFIG_CMD_IMMAP
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#define CONFIG_CMD_MEMORY
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#define CONFIG_CMD_NET
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#define CONFIG_CMD_REGINFO
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#define CONFIG_CMD_RUN
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#define CONFIG_CMD_SAVEENV
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#define CONFIG_CMD_SETGETDCR
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#define CONFIG_CMD_SOURCE
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/*
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* BOOTP options
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*/
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#define CONFIG_BOOTP_SUBNETMASK
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#define CONFIG_BOOTP_GATEWAY
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#define CONFIG_BOOTP_HOSTNAME
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#define CONFIG_BOOTP_BOOTPATH
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#define CONFIG_BOOTP_VENDOREX
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#define CONFIG_BOOTP_DNS
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#define CONFIG_BOOTP_BOOTFILESIZE
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/*
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* how many time to fail & restart a net-TFTP before giving up & resetting
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* the board hoping that a reset of net interface might help..
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*/
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#define CONFIG_NET_RESET 5
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/*
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* bauds. Just to make it compile; in our case, I read the base_baud
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* from the DCR anyway, so its kinda-tied to the above ref. clock which in turn
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* drives the system clock.
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*/
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#define CONFIG_SYS_BASE_BAUD 403225
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#define CONFIG_SYS_BAUDRATE_TABLE \
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{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
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/*
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* Miscellaneous configurable options
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*/
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#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
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#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
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#define CONFIG_SYS_LOAD_ADDR 0x100000 /* where to load what we get from TFTP */
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#define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_into (bd_t) */
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#define CONFIG_SYS_DRAM_TEST 1
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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 CONFIG_SYS_SDRAM_BASE _must_ start at 0
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*/
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#define CONFIG_SYS_SDRAM_BASE 0x00000000
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#define CONFIG_SYS_FLASH_BASE 0xFFC00000
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#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
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#define CONFIG_SYS_MONITOR_LEN (192 * 1024) /* Reserve 192 kB for Monitor */
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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 CONFIG_SYS_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 CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
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#define CONFIG_SYS_MAX_FLASH_SECT 64 /* max number of sectors on one chip */
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#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
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#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
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/* BEG ENVIRONNEMENT FLASH: needs to be a whole FlashSector */
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#define CONFIG_ENV_OFFSET 0x3c8000
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#define CONFIG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
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#define CONFIG_ENV_SIZE 0x1000 /* Total Size of Environment area */
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#define CONFIG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
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/* Memory tests: U-BOOT relocates itself to the top of Ram, so its at
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* 32meg-(128k+some_malloc_space+copy-of-ENV sector)..
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*/
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#define CONFIG_SYS_SDRAM_SIZE 32 /* megs of ram */
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#define CONFIG_SYS_MEMTEST_START 0x2000 /* memtest works from the end of */
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/* the exception vector table */
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/* to the end of the DRAM */
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/* less monitor and malloc area */
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#define CONFIG_SYS_STACK_USAGE 0x10000 /* Reserve 64k for the stack usage */
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#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* 128k for malloc space */
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#define CONFIG_SYS_MEM_END_USAGE ( CONFIG_SYS_MONITOR_LEN \
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+ CONFIG_SYS_MALLOC_LEN \
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+ CONFIG_ENV_SECT_SIZE \
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+ CONFIG_SYS_STACK_USAGE )
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#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_SIZE * 1024 * 1024 - CONFIG_SYS_MEM_END_USAGE)
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/* END ENVIRONNEMENT FLASH */
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/*
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* Init Memory Controller:
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*
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* BR0/1 and OR0/1 (FLASH)
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*/
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#define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */
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/*-----------------------------------------------------------------------
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* Definitions for initial stack pointer and data area (in OnChipMem )
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*/
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#if 1
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/* On Chip Memory location */
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#define CONFIG_SYS_TEMP_STACK_OCM 1
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#define CONFIG_SYS_OCM_DATA_ADDR 0xF0000000
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#define CONFIG_SYS_OCM_DATA_SIZE 0x1000
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#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of SDRAM */
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#define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_OCM_DATA_SIZE /* Size of used area in RAM */
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#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
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#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
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#else
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#define CONFIG_SYS_OCM_DATA_ADDR 0xF0000000
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#define CONFIG_SYS_OCM_DATA_SIZE 0x1000
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#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of On Chip SRAM */
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#define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_OCM_DATA_SIZE /* Size of On Chip SRAM */
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#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
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#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
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#endif
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/*-----------------------------------------------------------------------
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* Definitions for Serial Presence Detect EEPROM address
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*/
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#define EEPROM_WRITE_ADDRESS 0xA0
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#define EEPROM_READ_ADDRESS 0xA1
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#endif /* __CONFIG_H */
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