1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright 2021 Collabora Ltd.
6 #ifndef __IMX8MN_VAR_SOM_H
7 #define __IMX8MN_VAR_SOM_H
9 #include <linux/sizes.h>
10 #include <linux/stringify.h>
11 #include <asm/arch/imx-regs.h>
13 #define CONFIG_SYS_MONITOR_LEN SZ_512K
14 #define CONFIG_SYS_UBOOT_BASE \
15 (QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)
17 #define BOOT_TARGET_DEVICES(func) \
22 func(DHCP, dhcp, na) \
24 #include <config_distro_bootcmd.h>
26 #define MEM_LAYOUT_ENV_SETTINGS \
27 "scriptaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
28 "kernel_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
29 "ramdisk_addr_r=0x43800000\0" \
30 "fdt_addr_r=0x43000000\0" \
31 "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
32 "fastboot_partition_alias_all=" \
33 __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) ".0:0\0" \
34 "fastboot_partition_alias_bootloader=" \
35 __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) ".1:0\0" \
36 "emmc_dev=" __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) "\0" \
38 "pxefile_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
40 /* Initial environment variables */
41 #define CONFIG_EXTRA_ENV_SETTINGS \
42 MEM_LAYOUT_ENV_SETTINGS \
45 /* Link Definitions */
47 #define CONFIG_SYS_INIT_RAM_ADDR 0x40000000
48 #define CONFIG_SYS_INIT_RAM_SIZE SZ_512K
50 #define CONFIG_SYS_SDRAM_BASE 0x40000000
51 #define PHYS_SDRAM 0x40000000
52 #define PHYS_SDRAM_SIZE SZ_1G /* 1GB DDR */
55 #define CONFIG_SYS_FSL_ESDHC_ADDR 0
57 #endif /* __IMX8MN_VAR_SOM_H */