78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Configuration file for the SAMA5D27 SOM1 EK Board.
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*
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* Copyright (C) 2017 Microchip Corporation
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* Wenyou Yang <wenyou.yang@microchip.com>
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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#include "at91-sama5_common.h"
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#undef CONFIG_SYS_AT91_MAIN_CLOCK
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#define CONFIG_SYS_AT91_MAIN_CLOCK 24000000 /* from 24 MHz crystal */
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/* SDRAM */
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#define CONFIG_SYS_SDRAM_BASE 0x20000000
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#define CONFIG_SYS_SDRAM_SIZE 0x8000000
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#ifdef CONFIG_SPL_BUILD
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#define CONFIG_SYS_INIT_SP_ADDR 0x218000
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#else
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#define CONFIG_SYS_INIT_SP_ADDR \
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(CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
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#endif
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#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
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/* NAND flash */
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#undef CONFIG_CMD_NAND
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/* SPI flash */
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#undef CONFIG_BOOTCOMMAND
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#ifdef CONFIG_SD_BOOT
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/* u-boot env in sd/mmc card */
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#define CONFIG_ENV_SIZE 0x4000
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/* bootstrap + u-boot + env in sd card */
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#define CONFIG_BOOTCOMMAND "fatload mmc " CONFIG_ENV_FAT_DEVICE_AND_PART " 0x21000000 at91-sama5d27_som1_ek.dtb; " \
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"fatload mmc " CONFIG_ENV_FAT_DEVICE_AND_PART " 0x22000000 zImage; " \
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"bootz 0x22000000 - 0x21000000"
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#endif
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#ifdef CONFIG_QSPI_BOOT
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#define CONFIG_ENV_OFFSET 0xb0000
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#define CONFIG_ENV_SIZE 0x10000
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#define CONFIG_ENV_SECT_SIZE 0x10000
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#define CONFIG_BOOTCOMMAND "sf probe 0; " \
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"sf read 0x21000000 0xc0000 0x20000; " \
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"sf read 0x22000000 0xe0000 0x400000; " \
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"bootz 0x22000000 - 0x21000000"
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#undef CONFIG_BOOTARGS
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#define CONFIG_BOOTARGS \
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"console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait"
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#endif
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/* SPL */
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#define CONFIG_SPL_TEXT_BASE 0x200000
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#define CONFIG_SPL_MAX_SIZE 0x10000
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#define CONFIG_SPL_BSS_START_ADDR 0x20000000
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#define CONFIG_SPL_BSS_MAX_SIZE 0x80000
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#define CONFIG_SYS_SPL_MALLOC_START 0x20080000
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#define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000
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#define CONFIG_SYS_MONITOR_LEN (512 << 10)
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#ifdef CONFIG_SD_BOOT
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#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
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#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
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#endif
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#ifdef CONFIG_QSPI_BOOT
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#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x10000
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#endif
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#endif
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