/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright 2020 Compass Electronics Group, LLC */ #ifndef __IMX8MN_BEACON_H #define __IMX8MN_BEACON_H #include #include #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