mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
361e13f1d5
This adds a general board file based on MT7623 SoCs from MediaTek. As this u-boot is loaded by MTK proprietary preloader, there is no low level initializtion codes. Signed-off-by: Weijie Gao <weijie.gao@mediatek.com> Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Tested-by: Matthias Brugger <matthias.bgg@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
57 lines
1.3 KiB
C
57 lines
1.3 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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/* 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 neede 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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#endif
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