u-boot/include/configs/imx8mn_beacon.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright 2020 Compass Electronics Group, LLC
 */

#ifndef __IMX8MN_BEACON_H
#define __IMX8MN_BEACON_H

#include <linux/sizes.h>
#include <asm/arch/imx-regs.h>

#define CFG_SYS_UBOOT_BASE	\
	(QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)

/* Initial environment variables */
#define CFG_EXTRA_ENV_SETTINGS		\
	"script=boot.scr\0" \
	"image=Image\0" \
	"ramdiskimage=rootfs.cpio.uboot\0" \
	"console=ttymxc1,115200\0" \
	"fdt_addr=0x43000000\0"			\
	"ramdisk_addr=0x44000000\0" \
	"boot_fdt=try\0" \
	"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
	"initrd_addr=0x43800000\0"		\
	"mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \
	"mmcpart=1\0" \
	"finduuid=part uuid mmc ${mmcdev}:2 uuid\0" \
	"mmcautodetect=yes\0" \
	"mmcargs=setenv bootargs console=${console} " \
	" root=PARTUUID=${uuid} rootwait rw ${mtdparts} ${optargs}\0" \
	"ramargs=setenv bootargs console=${console} root=/dev/ram rw " \
	" ${optargs}\0" \
	"loadbootscript=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
	"bootscript=echo Running bootscript from mmc ...; " \
		"source\0" \
	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
	"loadramdisk=load mmc ${mmcdev} ${ramdisk_addr} ${ramdiskimage}\0"\
	"mmcboot=echo Booting from mmc ...; " \
		"run finduuid; run mmcargs; " \
		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
			"if run loadfdt; then " \
				"booti ${loadaddr} - ${fdt_addr}; " \
			"else " \
				"echo WARN: Cannot load the DT; " \
			"fi; " \
		"else " \
			"echo wait for boot; " \
		"fi;\0" \
	"netargs=setenv bootargs console=${console} " \
		"root=/dev/nfs " \
		"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
	"netboot=echo Booting from net ...; " \
		"run netargs;  " \
		"if test ${ip_dyn} = yes; then " \
			"setenv get_cmd dhcp; " \
		"else " \
			"setenv get_cmd tftp; " \
		"fi; " \
		"${get_cmd} ${loadaddr} ${image}; " \
		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
			"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
				"booti ${loadaddr} - ${fdt_addr}; " \
			"else " \
				"echo WARN: Cannot load the DT; " \
			"fi; " \
		"else " \
			"booti; " \
		"fi;\0" \
	"ramboot=echo Booting from RAMdisk...; "\
		"run loadimage; run loadfdt; fdt addr $fdt_addr; "\
		"run loadramdisk; run ramargs; " \
		"booti ${loadaddr} ${ramdisk_addr} ${fdt_addr} ${optargs}\0"

/* Link Definitions */

#define CFG_SYS_INIT_RAM_ADDR        0x40000000
#define CFG_SYS_INIT_RAM_SIZE        0x200000

#define CFG_SYS_SDRAM_BASE		0x40000000
#define PHYS_SDRAM			0x40000000
#if IS_ENABLED(CONFIG_IMX8MN_BEACON_2GB_LPDDR)
#define PHYS_SDRAM_SIZE		0x80000000 /* 2GB DDR */
#else
#define PHYS_SDRAM_SIZE		0x40000000 /* 1GB DDR */
#endif

#endif