| /* 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 CONFIG_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 CONFIG_IS_ENABLED(IMX8MN_BEACON_2GB_LPDDR) |
| #define PHYS_SDRAM_SIZE 0x80000000 /* 2GB DDR */ |
| #else |
| #define PHYS_SDRAM_SIZE 0x40000000 /* 1GB DDR */ |
| #endif |
| |
| #endif |