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 #define CONFIG_SYS_NONCACHED_MEMORY SZ_1M 28 29 /* Environment */ 30 #define CONFIG_ENV_SIZE SZ_4K 31 /* Allow to overwrite serial and ethaddr */ 32 #define CONFIG_ENV_OVERWRITE 33 34 /* Preloader -> Uboot */ 35 #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE 36 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_TEXT_BASE + SZ_2M - \ 37 GENERATED_GBL_DATA_SIZE) 38 39 /* UBoot -> Kernel */ 40 #define CONFIG_LOADADDR 0x84000000 41 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 42 43 /* MMC */ 44 #define MMC_SUPPORTS_TUNING 45 #define CONFIG_SUPPORT_EMMC_BOOT 46 47 /* DRAM */ 48 #define CONFIG_SYS_SDRAM_BASE 0x80000000 49 50 /* This is needed for kernel booting */ 51 #define FDT_HIGH "fdt_high=0xac000000\0" 52 53 /* Extra environment variables */ 54 #define CONFIG_EXTRA_ENV_SETTINGS \ 55 FDT_HIGH 56 57 /* Ethernet */ 58 #define CONFIG_IPADDR 192.168.1.1 59 #define CONFIG_SERVERIP 192.168.1.2 60 61 #define CONFIG_SYS_MMC_ENV_DEV 0 62 #define CONFIG_ENV_OFFSET 0x100000 63 64 #endif 65