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_BOOTM_LEN (32 * SZ_1M)
15 #define CONFIG_SYS_MONITOR_LEN SZ_512K
16 #define CONFIG_SYS_UBOOT_BASE \
17 (QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)
19 #define CONFIG_SYS_SPL_MALLOC_START 0x42200000
20 #define CONFIG_SYS_SPL_MALLOC_SIZE SZ_512K
22 #define BOOT_TARGET_DEVICES(func) \
27 func(DHCP, dhcp, na) \
29 #include <config_distro_bootcmd.h>
31 #define MEM_LAYOUT_ENV_SETTINGS \
32 "scriptaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
33 "kernel_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
34 "ramdisk_addr_r=0x43800000\0" \
35 "fdt_addr_r=0x43000000\0" \
36 "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
37 "fastboot_partition_alias_all=" \
38 __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) ".0:0\0" \
39 "fastboot_partition_alias_bootloader=" \
40 __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) ".1:0\0" \
41 "emmc_dev=" __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) "\0" \
43 "pxefile_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
45 /* Initial environment variables */
46 #define CONFIG_EXTRA_ENV_SETTINGS \
47 MEM_LAYOUT_ENV_SETTINGS \
50 /* Link Definitions */
52 #define CONFIG_SYS_INIT_RAM_ADDR 0x40000000
53 #define CONFIG_SYS_INIT_RAM_SIZE SZ_512K
55 #define CONFIG_SYS_SDRAM_BASE 0x40000000
56 #define PHYS_SDRAM 0x40000000
57 #define PHYS_SDRAM_SIZE SZ_1G /* 1GB DDR */
59 #define CONFIG_MXC_UART_BASE UART_BASE_ADDR(4)
62 #define CONFIG_SYS_FSL_ESDHC_ADDR 0
64 #endif /* __IMX8MN_VAR_SOM_H */