| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Configuration file for the SAMA5D27 SOM1 EK Board. |
| * |
| * Copyright (C) 2017 Microchip Corporation |
| * Wenyou Yang <wenyou.yang@microchip.com> |
| */ |
| |
| #ifndef __CONFIG_H |
| #define __CONFIG_H |
| |
| #include "at91-sama5_common.h" |
| |
| #undef CONFIG_SYS_AT91_MAIN_CLOCK |
| #define CONFIG_SYS_AT91_MAIN_CLOCK 24000000 /* from 24 MHz crystal */ |
| |
| /* SDRAM */ |
| #define CONFIG_SYS_SDRAM_BASE 0x20000000 |
| #define CONFIG_SYS_SDRAM_SIZE 0x8000000 |
| |
| #ifdef CONFIG_SPL_BUILD |
| #define CONFIG_SYS_INIT_SP_ADDR 0x218000 |
| #else |
| #define CONFIG_SYS_INIT_SP_ADDR \ |
| (CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE) |
| #endif |
| |
| #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ |
| |
| /* NAND flash */ |
| #undef CONFIG_CMD_NAND |
| |
| /* SPI flash */ |
| |
| #undef CONFIG_BOOTCOMMAND |
| #ifdef CONFIG_SD_BOOT |
| /* u-boot env in sd/mmc card */ |
| #define CONFIG_ENV_SIZE 0x4000 |
| /* bootstrap + u-boot + env in sd card */ |
| #define CONFIG_BOOTCOMMAND "fatload mmc " CONFIG_ENV_FAT_DEVICE_AND_PART " 0x21000000 at91-sama5d27_som1_ek.dtb; " \ |
| "fatload mmc " CONFIG_ENV_FAT_DEVICE_AND_PART " 0x22000000 zImage; " \ |
| "bootz 0x22000000 - 0x21000000" |
| #endif |
| |
| #ifdef CONFIG_QSPI_BOOT |
| #undef CONFIG_BOOTARGS |
| #define CONFIG_BOOTARGS \ |
| "console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait" |
| #endif |
| |
| /* SPL */ |
| #define CONFIG_SPL_MAX_SIZE 0x10000 |
| #define CONFIG_SPL_BSS_START_ADDR 0x20000000 |
| #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 |
| #define CONFIG_SYS_SPL_MALLOC_START 0x20080000 |
| #define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 |
| |
| #define CONFIG_SYS_MONITOR_LEN (512 << 10) |
| |
| #ifdef CONFIG_SD_BOOT |
| #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 |
| #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" |
| #endif |
| |
| #endif |
