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https://github.com/brain-hackers/u-boot-brain
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![Simon Glass](/assets/img/avatar_default.png)
Add a script to boot Chrome OS from the internal MMC. This involved adding a few commands and options. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright 2019 Google LLC
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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_BOOTCOMMAND \
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"tpm init; tpm startup TPM2_SU_CLEAR; " \
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"read mmc 2:2 100000 0 80; setexpr loader *001004f0; " \
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"setexpr size *00100518; setexpr blocks $size / 200; " \
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"read mmc 2:2 100000 80 $blocks; setexpr setup $loader - 1000; " \
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"setexpr cmdline $loader - 2000; " \
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"part uuid mmc 2:2 uuid; setenv bootargs_U $uuid; " \
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"zboot start 100000 0 0 0 $setup $cmdline; " \
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"zboot load; zboot setup; zboot dump; zboot go"
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#include <configs/x86-common.h>
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#include <configs/x86-chromebook.h>
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#undef CONFIG_STD_DEVICES_SETTINGS
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#define CONFIG_STD_DEVICES_SETTINGS "stdin=usbkbd,i8042-kbd,serial\0" \
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"stdout=vidconsole,serial\0" \
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"stderr=vidconsole,serial\0"
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#define CONFIG_ENV_SECT_SIZE 0x1000
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#define CONFIG_ENV_OFFSET 0x003f8000
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#define CONFIG_TPL_TEXT_BASE 0xffff8000
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#define CONFIG_SYS_NS16550_MEM32
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#undef CONFIG_SYS_NS16550_PORT_MAPPED
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#endif /* __CONFIG_H */
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