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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109 lines
2.8 KiB
109 lines
2.8 KiB
/*
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* Common part of configuration settings for the AT91 SAMA5 board.
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*
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* Copyright (C) 2015 Atmel Corporation
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* Josh Wu <josh.wu@atmel.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __AT91_SAMA5_COMMON_H
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#define __AT91_SAMA5_COMMON_H
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#include <asm/hardware.h>
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#define CONFIG_SYS_TEXT_BASE 0x26f00000
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/* ARM asynchronous clock */
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#define CONFIG_SYS_AT91_SLOW_CLOCK 32768
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#define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */
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#define CONFIG_ARCH_CPU_INIT
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#ifndef CONFIG_SPL_BUILD
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#define CONFIG_SKIP_LOWLEVEL_INIT
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#endif
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#define CONFIG_ENV_VARS_UBOOT_CONFIG
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/* general purpose I/O */
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#ifndef CONFIG_DM_GPIO
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#define CONFIG_AT91_GPIO
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#endif
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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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#ifdef CONFIG_SYS_USE_MMC
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#ifdef CONFIG_ENV_IS_IN_MMC
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/* Use raw reserved sectors to save environment */
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#define CONFIG_ENV_OFFSET 0x2000
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#define CONFIG_ENV_SIZE 0x1000
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#define CONFIG_SYS_MMC_ENV_DEV 0
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#else
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/* u-boot env in sd/mmc card */
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#define FAT_ENV_INTERFACE "mmc"
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#define FAT_ENV_DEVICE_AND_PART "0"
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#define FAT_ENV_FILE "uboot.env"
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#define CONFIG_ENV_SIZE 0x4000
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#endif
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#define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \
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"setenv dtb_name at91-${board_name}.dtb; " \
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"fi; " \
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"fatload mmc 0:1 0x21000000 ${dtb_name}; " \
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"fatload mmc 0:1 0x22000000 zImage; " \
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"bootz 0x22000000 - 0x21000000"
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#define CONFIG_BOOTARGS \
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"console=ttyS0,115200 earlyprintk " \
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"root=/dev/mmcblk0p2 rw rootwait"
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#else
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#define CONFIG_BOOTARGS \
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"console=ttyS0,115200 earlyprintk " \
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"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
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"256K(env),256k(env_redundant),256k(spare)," \
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"512k(dtb),6M(kernel)ro,-(rootfs) " \
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"rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs"
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#ifdef CONFIG_SYS_USE_NANDFLASH
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/* u-boot env in nand flash */
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#define CONFIG_ENV_OFFSET 0xc0000
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#define CONFIG_ENV_OFFSET_REDUND 0x100000
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#define CONFIG_ENV_SIZE 0x20000
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#define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \
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"nand read 0x22000000 0x200000 0x600000;" \
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"bootz 0x22000000 - 0x21000000"
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#elif CONFIG_SYS_USE_SERIALFLASH
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/* u-boot env in serial flash, by default is bus 0 and cs 0 */
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#define CONFIG_ENV_OFFSET 0x6000
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#define CONFIG_ENV_SIZE 0x2000
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#define CONFIG_ENV_SECT_SIZE 0x1000
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#define CONFIG_BOOTCOMMAND "sf probe 0; " \
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"sf read 0x21000000 0x60000 0xc000; " \
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"sf read 0x22000000 0x6c000 0x394000; " \
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"bootz 0x22000000 - 0x21000000"
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#endif
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#endif
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#define CONFIG_SYS_CBSIZE 256
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#define CONFIG_SYS_MAXARGS 16
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#define CONFIG_SYS_LONGHELP
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#define CONFIG_CMDLINE_EDITING
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#define CONFIG_AUTO_COMPLETE
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/* Size of malloc() pool */
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#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
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#endif
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