1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Configuration for MediaTek MT7623 SoC 4 * 5 * Copyright (C) 2018 MediaTek Inc. 6 * Author: Weijie Gao <weijie.gao@mediatek.com> 7 */ 8 9 #ifndef __MT7623_H 10 #define __MT7623_H 11 12 #include <linux/sizes.h> 13 14 /* Miscellaneous configurable options */ 15 #define CONFIG_SETUP_MEMORY_TAGS 16 #define CONFIG_INITRD_TAG 17 #define CONFIG_CMDLINE_TAG 18 19 #define CONFIG_SYS_MAXARGS 8 20 #define CONFIG_SYS_BOOTM_LEN SZ_64M 21 #define CONFIG_SYS_CBSIZE SZ_1K 22 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 23 sizeof(CONFIG_SYS_PROMPT) + 16) 24 25 /* Size of malloc() pool */ 26 #define CONFIG_SYS_MALLOC_LEN SZ_4M 27 28 /* Environment */ 29 #define CONFIG_ENV_SIZE SZ_4K 30 /* Allow to overwrite serial and ethaddr */ 31 #define CONFIG_ENV_OVERWRITE 32 33 /* Preloader -> Uboot */ 34 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE 35 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_TEXT_BASE + SZ_2M - \ 36 GENERATED_GBL_DATA_SIZE) 37 38 /* UBoot -> Kernel */ 39 #define CONFIG_LOADADDR 0x84000000 40 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 41 42 /* MMC */ 43 #define MMC_SUPPORTS_TUNING 44 #define CONFIG_SUPPORT_EMMC_BOOT 45 46 /* DRAM */ 47 #define CONFIG_SYS_SDRAM_BASE 0x80000000 48 49 /* This is neede for kernel booting */ 50 #define FDT_HIGH "fdt_high=0xac000000\0" 51 52 /* Extra environment variables */ 53 #define CONFIG_EXTRA_ENV_SETTINGS \ 54 FDT_HIGH 55 56 #endif 57