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_TEXT_BASE 16 #undef CONFIG_SYS_AT91_MAIN_CLOCK 17 #define CONFIG_SYS_TEXT_BASE 0x23f00000 18 #define CONFIG_SYS_AT91_MAIN_CLOCK 24000000 /* from 24 MHz crystal */ 19 20 #define CONFIG_MISC_INIT_R 21 22 /* SDRAM */ 23 #define CONFIG_NR_DRAM_BANKS 1 24 #define CONFIG_SYS_SDRAM_BASE 0x20000000 25 #define CONFIG_SYS_SDRAM_SIZE 0x8000000 26 27 #ifdef CONFIG_SPL_BUILD 28 #define CONFIG_SYS_INIT_SP_ADDR 0x218000 29 #else 30 #define CONFIG_SYS_INIT_SP_ADDR \ 31 (CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 32 #endif 33 34 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 35 36 /* NAND flash */ 37 #undef CONFIG_CMD_NAND 38 39 /* SPI flash */ 40 #define CONFIG_SF_DEFAULT_SPEED 66000000 41 42 #undef CONFIG_BOOTCOMMAND 43 #ifdef CONFIG_SD_BOOT 44 /* u-boot env in sd/mmc card */ 45 #define FAT_ENV_INTERFACE "mmc" 46 #define FAT_ENV_DEVICE_AND_PART "0" 47 #define FAT_ENV_FILE "uboot.env" 48 #define CONFIG_ENV_SIZE 0x4000 49 /* bootstrap + u-boot + env in sd card */ 50 #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91-sama5d27_som1_ek.dtb; " \ 51 "fatload mmc 0:1 0x22000000 zImage; " \ 52 "bootz 0x22000000 - 0x21000000" 53 #undef CONFIG_BOOTARGS 54 #define CONFIG_BOOTARGS \ 55 "console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait" 56 #endif 57 58 #ifdef CONFIG_QSPI_BOOT 59 #define CONFIG_ENV_OFFSET 0xb0000 60 #define CONFIG_ENV_SIZE 0x10000 61 #define CONFIG_ENV_SECT_SIZE 0x10000 62 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 63 "sf read 0x21000000 0xc0000 0x20000; " \ 64 "sf read 0x22000000 0xe0000 0x400000; " \ 65 "bootz 0x22000000 - 0x21000000" 66 #undef CONFIG_BOOTARGS 67 #define CONFIG_BOOTARGS \ 68 "console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait" 69 #endif 70 71 /* SPL */ 72 #define CONFIG_SPL_FRAMEWORK 73 #define CONFIG_SPL_TEXT_BASE 0x200000 74 #define CONFIG_SPL_MAX_SIZE 0x10000 75 #define CONFIG_SPL_BSS_START_ADDR 0x20000000 76 #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 77 #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 78 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 79 80 #define CONFIG_SYS_MONITOR_LEN (512 << 10) 81 82 #ifdef CONFIG_SD_BOOT 83 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 84 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" 85 #endif 86 87 #ifdef CONFIG_QSPI_BOOT 88 #define CONFIG_SPL_SPI_LOAD 89 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x10000 90 #endif 91 92 #endif 93