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 /* NAND flash */ 31 #undef CONFIG_CMD_NAND 32 33 /* SPI flash */ 34 #define CONFIG_SF_DEFAULT_SPEED 66000000 35 36 #undef CONFIG_BOOTCOMMAND 37 #ifdef CONFIG_SD_BOOT 38 /* u-boot env in sd/mmc card */ 39 #define CONFIG_ENV_SIZE 0x4000 40 /* bootstrap + u-boot + env in sd card */ 41 #define CONFIG_BOOTCOMMAND "fatload mmc " CONFIG_ENV_FAT_DEVICE_AND_PART " 0x21000000 at91-sama5d27_som1_ek.dtb; " \ 42 "fatload mmc " CONFIG_ENV_FAT_DEVICE_AND_PART " 0x22000000 zImage; " \ 43 "bootz 0x22000000 - 0x21000000" 44 #endif 45 46 #ifdef CONFIG_QSPI_BOOT 47 #define CONFIG_ENV_OFFSET 0xb0000 48 #define CONFIG_ENV_SIZE 0x10000 49 #define CONFIG_ENV_SECT_SIZE 0x10000 50 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 51 "sf read 0x21000000 0xc0000 0x20000; " \ 52 "sf read 0x22000000 0xe0000 0x400000; " \ 53 "bootz 0x22000000 - 0x21000000" 54 #undef CONFIG_BOOTARGS 55 #define CONFIG_BOOTARGS \ 56 "console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait" 57 #endif 58 59 /* SPL */ 60 #define CONFIG_SPL_TEXT_BASE 0x200000 61 #define CONFIG_SPL_MAX_SIZE 0x10000 62 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 63 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 64 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 65 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 66 67 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 68 69 #ifdef CONFIG_SD_BOOT 70 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 71 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 72 #endif 73 74 #ifdef CONFIG_QSPI_BOOT 75 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x10000 76 #endif 77 78 #endif 79