1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Configuration file for the SAMA5D2 Xplained Board. 4 * 5 * Copyright (C) 2015 Atmel Corporation 6 * Wenyou Yang <wenyou.yang@atmel.com> 7 */ 8 9 #ifndef __CONFIG_H 10 #define __CONFIG_H 11 12 #include "at91-sama5_common.h" 13 14 #define CONFIG_MISC_INIT_R 15 16 /* SDRAM */ 17 #define CONFIG_NR_DRAM_BANKS 1 18 #define CONFIG_SYS_SDRAM_BASE 0x20000000 19 #define CONFIG_SYS_SDRAM_SIZE 0x20000000 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 /* SerialFlash */ 31 #ifdef CONFIG_CMD_SF 32 #define CONFIG_SF_DEFAULT_BUS 0 33 #define CONFIG_SF_DEFAULT_CS 0 34 #define CONFIG_SF_DEFAULT_SPEED 30000000 35 #endif 36 37 #ifdef CONFIG_SD_BOOT 38 39 /* bootstrap + u-boot + env in sd card */ 40 #undef CONFIG_BOOTCOMMAND 41 42 #define CONFIG_BOOTCOMMAND "fatload mmc 1:1 0x21000000 at91-sama5d2_xplained.dtb; " \ 43 "fatload mmc 1:1 0x22000000 zImage; " \ 44 "bootz 0x22000000 - 0x21000000" 45 46 #elif CONFIG_SPI_BOOT 47 48 /* bootstrap + u-boot + env in sd card, but kernel + dtb in eMMC */ 49 #undef CONFIG_BOOTCOMMAND 50 51 #define CONFIG_BOOTCOMMAND "ext4load mmc 0:1 0x21000000 /boot/at91-sama5d2_xplained.dtb; " \ 52 "ext4load mmc 0:1 0x22000000 /boot/zImage; " \ 53 "bootz 0x22000000 - 0x21000000" 54 55 #endif 56 57 /* SPL */ 58 #define CONFIG_SPL_TEXT_BASE 0x200000 59 #define CONFIG_SPL_MAX_SIZE 0x10000 60 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 61 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 62 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 63 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 64 65 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 66 67 #ifdef CONFIG_SD_BOOT 68 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 69 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 70 71 #elif CONFIG_SPI_BOOT 72 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x10000 73 74 #endif 75 76 #endif 77