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Fabio Estevamebc8fcc2019-12-09 10:43:03 -03001/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright (C) 2016 Freescale Semiconductor, Inc.
4 *
5 * Configuration settings for the Embedded Artists i.MX7ULP COM board.
6 */
7
8#ifndef __MX7ULP_COM_CONFIG_H
9#define __MX7ULP_COM_CONFIG_H
10
11#include <linux/sizes.h>
12#include <asm/arch/imx-regs.h>
13
14#define CONFIG_BOARD_POSTCLK_INIT
15#define CONFIG_SYS_BOOTM_LEN 0x1000000
16
Fabio Estevamebc8fcc2019-12-09 10:43:03 -030017/*
18 * Detect overlap between U-Boot image and environment area in build-time
19 *
20 * CONFIG_BOARD_SIZE_LIMIT = CONFIG_ENV_OFFSET - u-boot-dtb.imx offset
21 * CONFIG_BOARD_SIZE_LIMIT = 768k - 1k = 767k = 785408
22 *
23 * Currently CONFIG_BOARD_SIZE_LIMIT does not handle expressions, so
24 * write the direct value here
25 */
26#define CONFIG_BOARD_SIZE_LIMIT 785408
Fabio Estevamebc8fcc2019-12-09 10:43:03 -030027#define CONFIG_MMCROOT "/dev/mmcblk0p2"
28#define CONFIG_SYS_MMC_IMG_LOAD_PART 1
29
30/* Using ULP WDOG for reset */
31#define WDOG_BASE_ADDR WDG1_RBASE
32
33#define CONFIG_SYS_HZ_CLOCK 1000000 /* Fixed at 1MHz from TSTMR */
34
Fabio Estevamebc8fcc2019-12-09 10:43:03 -030035/* UART */
36#define LPUART_BASE LPUART4_RBASE
37
Fabio Estevamebc8fcc2019-12-09 10:43:03 -030038/* Physical Memory Map */
39
40#define PHYS_SDRAM 0x60000000
Fabio Estevamebc8fcc2019-12-09 10:43:03 -030041#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
42
Fabio Estevamebc8fcc2019-12-09 10:43:03 -030043#define CONFIG_EXTRA_ENV_SETTINGS \
44 "image=zImage\0" \
45 "console=ttyLP0\0" \
46 "fdt_high=0xffffffff\0" \
47 "initrd_high=0xffffffff\0" \
48 "fdt_file=imx7ulp-com.dtb\0" \
49 "fdt_addr=0x63000000\0" \
50 "mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
51 "mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
52 "mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
53 "mmcargs=setenv bootargs console=${console},${baudrate} " \
54 "root=${mmcroot}\0" \
55 "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
56 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
57 "mmcboot=echo Booting from mmc ...; " \
58 "run mmcargs; " \
59 "if run loadfdt; then " \
60 "bootz ${loadaddr} - ${fdt_addr}; " \
61 "fi;\0" \
62
Fabio Estevamebc8fcc2019-12-09 10:43:03 -030063#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR
64#define CONFIG_SYS_INIT_RAM_SIZE SZ_256K
65
66#define CONFIG_SYS_INIT_SP_OFFSET \
67 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
68#define CONFIG_SYS_INIT_SP_ADDR \
69 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
70
Fabio Estevamebc8fcc2019-12-09 10:43:03 -030071#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW)
72#endif /* __CONFIG_H */