mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-30 05:48:51 +09:00
![Frank Wunderlich](/assets/img/avatar_default.png)
bananapi r2 can be booted from sd-card and emmc saving the environment have to choose the storage from which the device has booted also the offset is set to 1MB to make sure env is written to block "user data area" between uboot and first partition https://www.fw-web.de/dokuwiki/lib/exe/fetch.php?cache=&media=bpi-r2:boot-structure.png Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Configuration for MediaTek MT7623 SoC
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*
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* Copyright (C) 2018 MediaTek Inc.
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* Author: Weijie Gao <weijie.gao@mediatek.com>
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*/
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#ifndef __MT7623_H
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#define __MT7623_H
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#include <linux/sizes.h>
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/* Miscellaneous configurable options */
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#define CONFIG_SETUP_MEMORY_TAGS
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#define CONFIG_INITRD_TAG
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#define CONFIG_CMDLINE_TAG
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#define CONFIG_SYS_MAXARGS 8
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#define CONFIG_SYS_BOOTM_LEN SZ_64M
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#define CONFIG_SYS_CBSIZE SZ_1K
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
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sizeof(CONFIG_SYS_PROMPT) + 16)
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/* Size of malloc() pool */
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#define CONFIG_SYS_MALLOC_LEN SZ_4M
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#define CONFIG_SYS_NONCACHED_MEMORY SZ_1M
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/* Environment */
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#define CONFIG_ENV_SIZE SZ_4K
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/* Allow to overwrite serial and ethaddr */
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#define CONFIG_ENV_OVERWRITE
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/* Preloader -> Uboot */
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#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
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#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_TEXT_BASE + SZ_2M - \
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GENERATED_GBL_DATA_SIZE)
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/* UBoot -> Kernel */
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#define CONFIG_LOADADDR 0x84000000
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#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
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/* MMC */
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#define MMC_SUPPORTS_TUNING
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#define CONFIG_SUPPORT_EMMC_BOOT
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/* DRAM */
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#define CONFIG_SYS_SDRAM_BASE 0x80000000
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/* This is needed for kernel booting */
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#define FDT_HIGH "fdt_high=0xac000000\0"
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/* Extra environment variables */
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#define CONFIG_EXTRA_ENV_SETTINGS \
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FDT_HIGH
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/* Ethernet */
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#define CONFIG_IPADDR 192.168.1.1
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#define CONFIG_SERVERIP 192.168.1.2
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#define CONFIG_SYS_MMC_ENV_DEV 0
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#define CONFIG_ENV_OFFSET 0x100000
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#endif
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