1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Configuration file for the SAMA5D27 SOM1 EK Board. 4 * 5 * Copyright (C) 2017 Microchip Corporation 6 * Wenyou Yang <wenyou.yang@microchip.com> 7 */ 8 9 #ifndef __CONFIG_H 10 #define __CONFIG_H 11 12 #include "at91-sama5_common.h" 13 14 #undef CONFIG_SYS_AT91_MAIN_CLOCK 15 #define CONFIG_SYS_AT91_MAIN_CLOCK 24000000 /* from 24 MHz crystal */ 16 17 /* SDRAM */ 18 #define CONFIG_SYS_SDRAM_BASE 0x20000000 19 #define CONFIG_SYS_SDRAM_SIZE 0x8000000 20 21 #ifdef CONFIG_SPL_BUILD 22 #define CONFIG_SYS_INIT_SP_ADDR 0x218000 23 #else 24 #define CONFIG_SYS_INIT_SP_ADDR \ 25 (CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 26 #endif 27 28 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 29 30 #undef CONFIG_BOOTCOMMAND 31 #ifdef CONFIG_SD_BOOT 32 /* bootstrap + u-boot + env in sd card */ 33 #define CONFIG_BOOTCOMMAND "fatload mmc " CONFIG_ENV_FAT_DEVICE_AND_PART " 0x21000000 " \ 34 CONFIG_DEFAULT_DEVICE_TREE ".dtb; " \ 35 "fatload mmc " CONFIG_ENV_FAT_DEVICE_AND_PART " 0x22000000 zImage; " \ 36 "bootz 0x22000000 - 0x21000000" 37 #endif 38 39 /* SPL */ 40 #define CONFIG_SPL_MAX_SIZE 0x10000 41 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 42 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 43 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 44 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 45 46 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 47 48 #ifdef CONFIG_SD_BOOT 49 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 50 #endif 51 52 #endif 53