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_NR_DRAM_BANKS 1 21 #define CONFIG_SYS_SDRAM_BASE 0x20000000 22 #define CONFIG_SYS_SDRAM_SIZE 0x8000000 23 24 #ifdef CONFIG_SPL_BUILD 25 #define CONFIG_SYS_INIT_SP_ADDR 0x218000 26 #else 27 #define CONFIG_SYS_INIT_SP_ADDR \ 28 (CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 29 #endif 30 31 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 32 33 /* NAND flash */ 34 #undef CONFIG_CMD_NAND 35 36 /* SPI flash */ 37 #define CONFIG_SF_DEFAULT_SPEED 66000000 38 39 #undef CONFIG_BOOTCOMMAND 40 #ifdef CONFIG_SD_BOOT 41 /* u-boot env in sd/mmc card */ 42 #define FAT_ENV_INTERFACE "mmc" 43 #define FAT_ENV_DEVICE_AND_PART "0" 44 #define FAT_ENV_FILE "uboot.env" 45 #define CONFIG_ENV_SIZE 0x4000 46 /* bootstrap + u-boot + env in sd card */ 47 #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91-sama5d27_som1_ek.dtb; " \ 48 "fatload mmc 0:1 0x22000000 zImage; " \ 49 "bootz 0x22000000 - 0x21000000" 50 #undef CONFIG_BOOTARGS 51 #define CONFIG_BOOTARGS \ 52 "console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait" 53 #endif 54 55 #ifdef CONFIG_QSPI_BOOT 56 #define CONFIG_ENV_OFFSET 0xb0000 57 #define CONFIG_ENV_SIZE 0x10000 58 #define CONFIG_ENV_SECT_SIZE 0x10000 59 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 60 "sf read 0x21000000 0xc0000 0x20000; " \ 61 "sf read 0x22000000 0xe0000 0x400000; " \ 62 "bootz 0x22000000 - 0x21000000" 63 #undef CONFIG_BOOTARGS 64 #define CONFIG_BOOTARGS \ 65 "console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait" 66 #endif 67 68 /* SPL */ 69 #define CONFIG_SPL_TEXT_BASE 0x200000 70 #define CONFIG_SPL_MAX_SIZE 0x10000 71 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 72 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 73 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 74 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 75 76 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 77 78 #ifdef CONFIG_SD_BOOT 79 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 80 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 81 #endif 82 83 #ifdef CONFIG_QSPI_BOOT 84 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x10000 85 #endif 86 87 #endif 88