blob: da0e259736a6bec9538699c255adb9cd10a3e22b [file] [log] [blame]
/*
* Copyright (C) 2018, STMicroelectronics - All Rights Reserved
*
* Configuration settings for the STM32MP15x CPU
*
* SPDX-License-Identifier: GPL-2.0+ BSD-3-Clause
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#include <linux/sizes.h>
#include <asm/arch/stm32.h>
#define CONFIG_PREBOOT
/*
* Number of clock ticks in 1 sec
*/
#define CONFIG_SYS_HZ 1000
#define CONFIG_SYS_ARCH_TIMER
/*
* malloc() pool size
*/
#define CONFIG_SYS_MALLOC_LEN SZ_32M
/*
* Configuration of the external SRAM memory used by U-Boot
*/
#define CONFIG_SYS_SDRAM_BASE STM32_DDR_BASE
#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_TEXT_BASE
#define CONFIG_NR_DRAM_BANKS 1
/*
* Console I/O buffer size
*/
#define CONFIG_SYS_CBSIZE SZ_1K
/*
* Needed by "loadb"
*/
#define CONFIG_SYS_LOAD_ADDR STM32_DDR_BASE
/*
* Env parameters
*/
#define CONFIG_ENV_SIZE SZ_4K
/* ATAGs */
#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
/* SPL support */
#ifdef CONFIG_SPL
/* BOOTROM load address */
#define CONFIG_SPL_TEXT_BASE 0x2FFC2500
/* SPL use DDR */
#define CONFIG_SPL_BSS_START_ADDR 0xC0200000
#define CONFIG_SPL_BSS_MAX_SIZE 0x00100000
#define CONFIG_SYS_SPL_MALLOC_START 0xC0300000
#define CONFIG_SYS_SPL_MALLOC_SIZE 0x00100000
/* limit SYSRAM usage to first 128 KB */
#define CONFIG_SPL_MAX_SIZE 0x00020000
#define CONFIG_SPL_STACK (STM32_SYSRAM_BASE + \
STM32_SYSRAM_SIZE)
#endif /* #ifdef CONFIG_SPL */
/*MMC SD*/
#define CONFIG_SYS_MMC_MAX_DEVICE 3
#define CONFIG_SUPPORT_EMMC_BOOT
#if !defined(CONFIG_SPL) || !defined(CONFIG_SPL_BUILD)
#define BOOT_TARGET_DEVICES(func) \
func(MMC, mmc, 1) \
func(MMC, mmc, 0) \
func(MMC, mmc, 2)
#include <config_distro_bootcmd.h>
#define STM32MP_PREBOOT \
"echo \"Boot over ${boot_device}${boot_instance}!\"; " \
"if test \"${boot_device}\" = \"mmc\"; then " \
"env set boot_targets \"mmc${boot_instance}\"; "\
"fi;"
#define CONFIG_EXTRA_ENV_SETTINGS \
"scriptaddr=0xC0000000\0" \
"pxefile_addr_r=0xC0000000\0" \
"kernel_addr_r=0xC1000000\0" \
"fdt_addr_r=0xC4000000\0" \
"ramdisk_addr_r=0xC4100000\0" \
"fdt_high=0xffffffff\0" \
"initrd_high=0xffffffff\0" \
"preboot=" STM32MP_PREBOOT "\0" \
BOOTENV
#endif /* ifndef CONFIG_SPL_BUILD */
#endif /* __CONFIG_H */