mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-10 06:43:28 +09:00
![Weijie Gao](/assets/img/avatar_default.png)
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 */
|
|
/*
|
|
* Configuration for MediaTek MT7623 SoC
|
|
*
|
|
* Copyright (C) 2018 MediaTek Inc.
|
|
* Author: Weijie Gao <weijie.gao@mediatek.com>
|
|
*/
|
|
|
|
#ifndef __MT7623_H
|
|
#define __MT7623_H
|
|
|
|
#include <linux/sizes.h>
|
|
|
|
/* Miscellaneous configurable options */
|
|
#define CONFIG_SETUP_MEMORY_TAGS
|
|
#define CONFIG_INITRD_TAG
|
|
#define CONFIG_CMDLINE_TAG
|
|
|
|
#define CONFIG_SYS_MAXARGS 8
|
|
#define CONFIG_SYS_BOOTM_LEN SZ_64M
|
|
#define CONFIG_SYS_CBSIZE SZ_1K
|
|
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
|
|
sizeof(CONFIG_SYS_PROMPT) + 16)
|
|
|
|
/* Size of malloc() pool */
|
|
#define CONFIG_SYS_MALLOC_LEN SZ_4M
|
|
|
|
/* Environment */
|
|
#define CONFIG_ENV_SIZE SZ_4K
|
|
/* Allow to overwrite serial and ethaddr */
|
|
#define CONFIG_ENV_OVERWRITE
|
|
|
|
/* Preloader -> Uboot */
|
|
#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
|
|
#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_TEXT_BASE + SZ_2M - \
|
|
GENERATED_GBL_DATA_SIZE)
|
|
|
|
/* UBoot -> Kernel */
|
|
#define CONFIG_LOADADDR 0x84000000
|
|
#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
|
|
|
|
/* MMC */
|
|
#define MMC_SUPPORTS_TUNING
|
|
#define CONFIG_SUPPORT_EMMC_BOOT
|
|
|
|
/* DRAM */
|
|
#define CONFIG_SYS_SDRAM_BASE 0x80000000
|
|
|
|
/* This is neede for kernel booting */
|
|
#define FDT_HIGH "fdt_high=0xac000000\0"
|
|
|
|
/* Extra environment variables */
|
|
#define CONFIG_EXTRA_ENV_SETTINGS \
|
|
FDT_HIGH
|
|
|
|
#endif
|