1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2016 Freescale Semiconductor, Inc.
5 * Configuration settings for the Embedded Artists i.MX7ULP COM board.
8 #ifndef __MX7ULP_COM_CONFIG_H
9 #define __MX7ULP_COM_CONFIG_H
11 #include <linux/sizes.h>
12 #include <asm/arch/imx-regs.h>
14 #define CONFIG_BOARD_POSTCLK_INIT
15 #define CONFIG_SYS_BOOTM_LEN 0x1000000
18 * Detect overlap between U-Boot image and environment area in build-time
20 * CONFIG_BOARD_SIZE_LIMIT = CONFIG_ENV_OFFSET - u-boot-dtb.imx offset
21 * CONFIG_BOARD_SIZE_LIMIT = 768k - 1k = 767k = 785408
23 * Currently CONFIG_BOARD_SIZE_LIMIT does not handle expressions, so
24 * write the direct value here
26 #define CONFIG_BOARD_SIZE_LIMIT 785408
27 #define CONFIG_MMCROOT "/dev/mmcblk0p2"
28 #define CONFIG_SYS_MMC_IMG_LOAD_PART 1
30 /* Using ULP WDOG for reset */
31 #define WDOG_BASE_ADDR WDG1_RBASE
33 #define CONFIG_SYS_HZ_CLOCK 1000000 /* Fixed at 1MHz from TSTMR */
35 #define CONFIG_INITRD_TAG
36 #define CONFIG_CMDLINE_TAG
37 #define CONFIG_SETUP_MEMORY_TAGS
39 /* Size of malloc() pool */
40 #define CONFIG_SYS_MALLOC_LEN (8 * SZ_1M)
43 #define LPUART_BASE LPUART4_RBASE
45 /* Physical Memory Map */
47 #define PHYS_SDRAM 0x60000000
48 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
50 #define CONFIG_LOADADDR 0x60800000
52 #define CONFIG_EXTRA_ENV_SETTINGS \
55 "fdt_high=0xffffffff\0" \
56 "initrd_high=0xffffffff\0" \
57 "fdt_file=imx7ulp-com.dtb\0" \
58 "fdt_addr=0x63000000\0" \
59 "mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
60 "mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
61 "mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
62 "mmcargs=setenv bootargs console=${console},${baudrate} " \
64 "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
65 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
66 "mmcboot=echo Booting from mmc ...; " \
68 "if run loadfdt; then " \
69 "bootz ${loadaddr} - ${fdt_addr}; " \
72 #define CONFIG_BOOTCOMMAND \
73 "if run loadimage; then " \
77 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
79 #define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR
80 #define CONFIG_SYS_INIT_RAM_SIZE SZ_256K
82 #define CONFIG_SYS_INIT_SP_OFFSET \
83 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
84 #define CONFIG_SYS_INIT_SP_ADDR \
85 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
87 #define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW)
88 #endif /* __CONFIG_H */