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_SPL_STACK 0x980000
20 #define CONFIG_SPL_BSS_START_ADDR 0x950000
21 #define CONFIG_SPL_BSS_MAX_SIZE SZ_8K
22 #define CONFIG_SYS_SPL_MALLOC_START 0x42200000
23 #define CONFIG_SYS_SPL_MALLOC_SIZE SZ_512K
25 #define BOOT_TARGET_DEVICES(func) \
30 func(DHCP, dhcp, na) \
32 #include <config_distro_bootcmd.h>
34 #define MEM_LAYOUT_ENV_SETTINGS \
35 "scriptaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
36 "kernel_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
37 "ramdisk_addr_r=0x43800000\0" \
38 "fdt_addr_r=0x43000000\0" \
39 "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
40 "fastboot_partition_alias_all=" \
41 __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) ".0:0\0" \
42 "fastboot_partition_alias_bootloader=" \
43 __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) ".1:0\0" \
44 "emmc_dev=" __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) "\0" \
46 "pxefile_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
48 /* Initial environment variables */
49 #define CONFIG_EXTRA_ENV_SETTINGS \
50 MEM_LAYOUT_ENV_SETTINGS \
53 /* Link Definitions */
55 #define CONFIG_SYS_INIT_RAM_ADDR 0x40000000
56 #define CONFIG_SYS_INIT_RAM_SIZE SZ_512K
57 #define CONFIG_SYS_INIT_SP_OFFSET \
58 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
59 #define CONFIG_SYS_INIT_SP_ADDR \
60 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
62 #define CONFIG_SYS_SDRAM_BASE 0x40000000
63 #define PHYS_SDRAM 0x40000000
64 #define PHYS_SDRAM_SIZE SZ_1G /* 1GB DDR */
66 #define CONFIG_MXC_UART_BASE UART_BASE_ADDR(4)
69 #define CONFIG_SYS_FSL_ESDHC_ADDR 0
71 #endif /* __IMX8MN_VAR_SOM_H */