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 CFG_SYS_UBOOT_BASE \
14 (QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)
16 #define BOOT_TARGET_DEVICES(func) \
21 func(DHCP, dhcp, na) \
23 #include <config_distro_bootcmd.h>
25 #define MEM_LAYOUT_ENV_SETTINGS \
26 "scriptaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
27 "kernel_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
28 "ramdisk_addr_r=0x43800000\0" \
29 "fdt_addr_r=0x43000000\0" \
30 "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
31 "fastboot_partition_alias_all=" \
32 __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) ".0:0\0" \
33 "fastboot_partition_alias_bootloader=" \
34 __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) ".1:0\0" \
35 "emmc_dev=" __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) "\0" \
37 "pxefile_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
39 /* Initial environment variables */
40 #define CFG_EXTRA_ENV_SETTINGS \
41 MEM_LAYOUT_ENV_SETTINGS \
44 /* Link Definitions */
46 #define CFG_SYS_INIT_RAM_ADDR 0x40000000
47 #define CFG_SYS_INIT_RAM_SIZE SZ_512K
49 #define CFG_SYS_SDRAM_BASE 0x40000000
50 #define PHYS_SDRAM 0x40000000
51 #define PHYS_SDRAM_SIZE SZ_1G /* 1GB DDR */
54 #define CFG_SYS_FSL_ESDHC_ADDR 0
56 #endif /* __IMX8MN_VAR_SOM_H */