1 /* 2 * Configuration file for the SAMA5D27 SOM1 EK Board. 3 * 4 * Copyright (C) 2017 Microchip Corporation 5 * Wenyou Yang <wenyou.yang@microchip.com> 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #ifndef __CONFIG_H 11 #define __CONFIG_H 12 13 #include "at91-sama5_common.h" 14 15 #undef CONFIG_SYS_AT91_MAIN_CLOCK 16 #define CONFIG_SYS_AT91_MAIN_CLOCK 24000000 /* from 24 MHz crystal */ 17 18 #define CONFIG_MISC_INIT_R 19 20 /* SDRAM */ 21 #define CONFIG_NR_DRAM_BANKS 1 22 #define CONFIG_SYS_SDRAM_BASE 0x20000000 23 #define CONFIG_SYS_SDRAM_SIZE 0x8000000 24 25 #ifdef CONFIG_SPL_BUILD 26 #define CONFIG_SYS_INIT_SP_ADDR 0x218000 27 #else 28 #define CONFIG_SYS_INIT_SP_ADDR \ 29 (CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 30 #endif 31 32 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 33 34 /* NAND flash */ 35 #undef CONFIG_CMD_NAND 36 37 /* SPI flash */ 38 #define CONFIG_SF_DEFAULT_SPEED 66000000 39 40 #undef CONFIG_BOOTCOMMAND 41 #ifdef CONFIG_SD_BOOT 42 /* u-boot env in sd/mmc card */ 43 #define FAT_ENV_INTERFACE "mmc" 44 #define FAT_ENV_DEVICE_AND_PART "0" 45 #define FAT_ENV_FILE "uboot.env" 46 #define CONFIG_ENV_SIZE 0x4000 47 /* bootstrap + u-boot + env in sd card */ 48 #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91-sama5d27_som1_ek.dtb; " \ 49 "fatload mmc 0:1 0x22000000 zImage; " \ 50 "bootz 0x22000000 - 0x21000000" 51 #undef CONFIG_BOOTARGS 52 #define CONFIG_BOOTARGS \ 53 "console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait" 54 #endif 55 56 #ifdef CONFIG_QSPI_BOOT 57 #define CONFIG_ENV_OFFSET 0xb0000 58 #define CONFIG_ENV_SIZE 0x10000 59 #define CONFIG_ENV_SECT_SIZE 0x10000 60 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 61 "sf read 0x21000000 0xc0000 0x20000; " \ 62 "sf read 0x22000000 0xe0000 0x400000; " \ 63 "bootz 0x22000000 - 0x21000000" 64 #undef CONFIG_BOOTARGS 65 #define CONFIG_BOOTARGS \ 66 "console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait" 67 #endif 68 69 /* SPL */ 70 #define CONFIG_SPL_FRAMEWORK 71 #define CONFIG_SPL_TEXT_BASE 0x200000 72 #define CONFIG_SPL_MAX_SIZE 0x10000 73 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 74 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 75 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 76 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 77 78 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 79 80 #ifdef CONFIG_SD_BOOT 81 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 82 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 83 #endif 84 85 #ifdef CONFIG_QSPI_BOOT 86 #define CONFIG_SPL_SPI_LOAD 87 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x10000 88 #endif 89 90 #endif 91