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 #define CONFIG_MISC_INIT_R 18 19 /* SDRAM */ 20 #define CONFIG_SYS_SDRAM_BASE 0x20000000 21 #define CONFIG_SYS_SDRAM_SIZE 0x8000000 22 23 #ifdef CONFIG_SPL_BUILD 24 #define CONFIG_SYS_INIT_SP_ADDR 0x218000 25 #else 26 #define CONFIG_SYS_INIT_SP_ADDR \ 27 (CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 28 #endif 29 30 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 31 32 /* NAND flash */ 33 #undef CONFIG_CMD_NAND 34 35 /* SPI flash */ 36 #define CONFIG_SF_DEFAULT_SPEED 66000000 37 38 #undef CONFIG_BOOTCOMMAND 39 #ifdef CONFIG_SD_BOOT 40 /* u-boot env in sd/mmc card */ 41 #define FAT_ENV_INTERFACE "mmc" 42 #define FAT_ENV_DEVICE_AND_PART "0" 43 #define FAT_ENV_FILE "uboot.env" 44 #define CONFIG_ENV_SIZE 0x4000 45 /* bootstrap + u-boot + env in sd card */ 46 #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91-sama5d27_som1_ek.dtb; " \ 47 "fatload mmc 0:1 0x22000000 zImage; " \ 48 "bootz 0x22000000 - 0x21000000" 49 #undef CONFIG_BOOTARGS 50 #define CONFIG_BOOTARGS \ 51 "console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait" 52 #endif 53 54 #ifdef CONFIG_QSPI_BOOT 55 #define CONFIG_ENV_OFFSET 0xb0000 56 #define CONFIG_ENV_SIZE 0x10000 57 #define CONFIG_ENV_SECT_SIZE 0x10000 58 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 59 "sf read 0x21000000 0xc0000 0x20000; " \ 60 "sf read 0x22000000 0xe0000 0x400000; " \ 61 "bootz 0x22000000 - 0x21000000" 62 #undef CONFIG_BOOTARGS 63 #define CONFIG_BOOTARGS \ 64 "console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait" 65 #endif 66 67 /* SPL */ 68 #define CONFIG_SPL_TEXT_BASE 0x200000 69 #define CONFIG_SPL_MAX_SIZE 0x10000 70 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 71 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 72 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 73 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 74 75 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 76 77 #ifdef CONFIG_SD_BOOT 78 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 79 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 80 #endif 81 82 #ifdef CONFIG_QSPI_BOOT 83 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x10000 84 #endif 85 86 #endif 87