u-boot/include/configs/stemmy.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019 Stephan Gerhold <stephan@gerhold.net>
 */
#ifndef __CONFIGS_STEMMY_H
#define __CONFIGS_STEMMY_H

#include <linux/sizes.h>

/*
 * The "stemmy" U-Boot port is designed to be chainloaded by the Samsung
 * bootloader on devices based on ST-Ericsson Ux500. Therefore, we skip most
 * low-level initialization and rely on configuration provided by the Samsung
 * bootloader. New images are loaded at the same address for compatibility.
 */
#define CONFIG_SYS_INIT_SP_ADDR		CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_BOOTM_LEN		SZ_64M

/* FIXME: This should be loaded from device tree... */
#define CONFIG_SYS_L2_PL310
#define CONFIG_SYS_PL310_BASE		0xa0412000

/* Linux does not boot if FDT / initrd is loaded to end of RAM */
#define BOOT_ENV \
	"fdt_high=0x6000000\0" \
	"initrd_high=0x6000000\0"

#define CONSOLE_ENV \
	"stdin=serial\0" \
	"stdout=serial,vidconsole\0" \
	"stderr=serial,vidconsole\0"

#define FASTBOOT_ENV \
	"fastboot_partition_alias_boot=Kernel\0" \
	"fastboot_partition_alias_recovery=Kernel2\0" \
	"fastboot_partition_alias_system=SYSTEM\0" \
	"fastboot_partition_alias_cache=CACHEFS\0" \
	"fastboot_partition_alias_hidden=HIDDEN\0" \
	"fastboot_partition_alias_userdata=DATAFS\0"

#define BOOTCMD_ENV \
	"fastbootcmd=echo '*** FASTBOOT MODE ***'; fastboot usb 0\0"

#define CONFIG_EXTRA_ENV_SETTINGS \
	BOOT_ENV \
	CONSOLE_ENV \
	FASTBOOT_ENV \
	BOOTCMD_ENV

#endif