mirror of
https://github.com/AsahiLinux/u-boot
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b9bf3cbfd6
This adds a general board file based on MT8512 SoCs from MediaTek. Apart from the generic parts (cpu) we add some low level init codes and initialize the early clocks. This commit is adding the basic boot support for the MT8512 eMMC board. Signed-off-by: mingming lee <mingming.lee@mediatek.com>
60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Configuration for MediaTek MT8512 SoC
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*
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* Copyright (C) 2019 MediaTek Inc.
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* Author: Mingming Lee <mingming.lee@mediatek.com>
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*/
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#ifndef __MT8512_H
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#define __MT8512_H
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#include <linux/sizes.h>
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#define CONFIG_SYS_NONCACHED_MEMORY SZ_1M
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#define CONFIG_CPU_ARMV8
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#define COUNTER_FREQUENCY 13000000
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#define CONFIG_SYS_LOAD_ADDR 0x41000000
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#define CONFIG_LOADADDR CONFIG_SYS_LOAD_ADDR
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#define CONFIG_SYS_MALLOC_LEN SZ_32M
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#define CONFIG_SYS_BOOTM_LEN SZ_64M
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/* Uboot definition */
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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 + \
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SZ_2M - \
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GENERATED_GBL_DATA_SIZE)
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/* ENV Setting */
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#if defined(CONFIG_MMC_MTK)
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#define CONFIG_SYS_MMC_ENV_DEV 0
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#define CONFIG_ENV_OVERWRITE
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/* MMC offset in block unit,and block size is 0x200 */
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#define ENV_BOOT_READ_IMAGE \
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"boot_rd_img=mmc dev 0" \
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";mmc read ${loadaddr} 0x27000 0x8000" \
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";iminfo ${loadaddr}\0"
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#endif
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/* Console configuration */
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#define ENV_DEVICE_SETTINGS \
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"stdin=serial\0" \
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"stdout=serial\0" \
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"stderr=serial\0"
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#define ENV_BOOT_CMD \
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"mtk_boot=run boot_rd_img;bootm;\0"
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"fdt_high=0x6c000000\0" \
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ENV_DEVICE_SETTINGS \
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ENV_BOOT_READ_IMAGE \
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ENV_BOOT_CMD \
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"bootcmd=run mtk_boot;\0" \
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#endif
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