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>
15 #include "imx7ulp_spl.h"
18 #define CONFIG_SYS_BOOTM_LEN 0x1000000
21 * Detect overlap between U-Boot image and environment area in build-time
23 * CONFIG_BOARD_SIZE_LIMIT = CONFIG_ENV_OFFSET - u-boot-dtb.imx offset
24 * CONFIG_BOARD_SIZE_LIMIT = 768k - 1k = 767k = 785408
26 * Currently CONFIG_BOARD_SIZE_LIMIT does not handle expressions, so
27 * write the direct value here
29 #define CONFIG_BOARD_SIZE_LIMIT 785408
30 #define CONFIG_MMCROOT "/dev/mmcblk0p2"
32 /* Using ULP WDOG for reset */
33 #define WDOG_BASE_ADDR WDG1_RBASE
35 #define CONFIG_SYS_HZ_CLOCK 1000000 /* Fixed at 1MHz from TSTMR */
38 #define LPUART_BASE LPUART4_RBASE
40 /* Physical Memory Map */
42 #define PHYS_SDRAM 0x60000000
43 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
45 #define CONFIG_EXTRA_ENV_SETTINGS \
48 "fdt_high=0xffffffff\0" \
49 "initrd_high=0xffffffff\0" \
50 "fdt_file=imx7ulp-com.dtb\0" \
51 "fdt_addr=0x63000000\0" \
52 "mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
54 "mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
55 "mmcargs=setenv bootargs console=${console},${baudrate} " \
57 "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
58 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
59 "mmcboot=echo Booting from mmc ...; " \
61 "if run loadfdt; then " \
62 "bootz ${loadaddr} - ${fdt_addr}; " \
65 #define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR
66 #define CONFIG_SYS_INIT_RAM_SIZE SZ_256K
68 #define CONFIG_SYS_INIT_SP_OFFSET \
69 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
70 #define CONFIG_SYS_INIT_SP_ADDR \
71 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
73 #define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW)
74 #endif /* __CONFIG_H */