at91-sama5_common.h
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/*
* Common part of configuration settings for the AT91 SAMA5 board.
*
* Copyright (C) 2015 Atmel Corporation
* Josh Wu <josh.wu@atmel.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __AT91_SAMA5_COMMON_H
#define __AT91_SAMA5_COMMON_H
/* ARM asynchronous clock */
#define CONFIG_SYS_AT91_SLOW_CLOCK 32768
#define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */
#define CONFIG_ARCH_CPU_INIT
#ifndef CONFIG_SPL_BUILD
#define CONFIG_SKIP_LOWLEVEL_INIT
#endif
/* general purpose I/O */
#ifndef CONFIG_DM_GPIO
#define CONFIG_AT91_GPIO
#endif
/*
* BOOTP options
*/
#define CONFIG_BOOTP_BOOTFILESIZE
/*
* Command line configuration.
*/
#ifdef CONFIG_SD_BOOT
#ifdef CONFIG_ENV_IS_IN_MMC
/* Use raw reserved sectors to save environment */
#define CONFIG_ENV_OFFSET 0x2000
#define CONFIG_ENV_SIZE 0x1000
#define CONFIG_SYS_MMC_ENV_DEV 0
#else
/* u-boot env in sd/mmc card */
#define CONFIG_ENV_SIZE 0x4000
#endif
#define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \
"setenv dtb_name at91-${board_name}.dtb; " \
"fi; " \
"fatload mmc 0:1 0x21000000 ${dtb_name}; " \
"fatload mmc 0:1 0x22000000 zImage; " \
"bootz 0x22000000 - 0x21000000"
#else
#ifdef CONFIG_NAND_BOOT
/* u-boot env in nand flash */
#define CONFIG_ENV_OFFSET 0xc0000
#define CONFIG_ENV_OFFSET_REDUND 0x100000
#define CONFIG_ENV_SIZE 0x20000
#define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \
"nand read 0x22000000 0x200000 0x600000;" \
"bootz 0x22000000 - 0x21000000"
#elif CONFIG_SPI_BOOT
/* u-boot env in serial flash, by default is bus 0 and cs 0 */
#define CONFIG_ENV_OFFSET 0x6000
#define CONFIG_ENV_SIZE 0x2000
#define CONFIG_ENV_SECT_SIZE 0x1000
#define CONFIG_BOOTCOMMAND "sf probe 0; " \
"sf read 0x21000000 0x60000 0xc000; " \
"sf read 0x22000000 0x6c000 0x394000; " \
"bootz 0x22000000 - 0x21000000"
#endif
#endif
/* Size of malloc() pool */
#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
#endif