summaryrefslogtreecommitdiff
path: root/include/configs/mx7ulp_com.h
blob: 29d17bab7404f670eaa6137f03f63454ca67c70b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright (C) 2016 Freescale Semiconductor, Inc.
 *
 * Configuration settings for the Embedded Artists i.MX7ULP COM board.
 */

#ifndef __MX7ULP_COM_CONFIG_H
#define __MX7ULP_COM_CONFIG_H

#include <linux/sizes.h>
#include <asm/arch/imx-regs.h>

#define CONFIG_BOARD_POSTCLK_INIT
#define CONFIG_SYS_BOOTM_LEN		0x1000000

/*
 * Detect overlap between U-Boot image and environment area in build-time
 *
 * CONFIG_BOARD_SIZE_LIMIT = CONFIG_ENV_OFFSET - u-boot-dtb.imx offset
 * CONFIG_BOARD_SIZE_LIMIT = 768k - 1k = 767k = 785408
 *
 * Currently CONFIG_BOARD_SIZE_LIMIT does not handle expressions, so
 * write the direct value here
 */
#define CONFIG_BOARD_SIZE_LIMIT		785408
#define CONFIG_SYS_MMC_ENV_DEV		0
#define CONFIG_MMCROOT			"/dev/mmcblk0p2"
#define CONFIG_SYS_MMC_IMG_LOAD_PART	1

/* Using ULP WDOG for reset */
#define WDOG_BASE_ADDR			WDG1_RBASE

#define CONFIG_SYS_HZ_CLOCK		1000000 /* Fixed at 1MHz from TSTMR */

#define CONFIG_INITRD_TAG
#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS

/* Size of malloc() pool */
#define CONFIG_SYS_MALLOC_LEN		(8 * SZ_1M)

/* UART */
#define LPUART_BASE			LPUART4_RBASE

/* Physical Memory Map */

#define PHYS_SDRAM			0x60000000
#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM

#define CONFIG_LOADADDR			0x60800000

#define CONFIG_EXTRA_ENV_SETTINGS \
	"image=zImage\0" \
	"console=ttyLP0\0" \
	"fdt_high=0xffffffff\0" \
	"initrd_high=0xffffffff\0" \
	"fdt_file=imx7ulp-com.dtb\0" \
	"fdt_addr=0x63000000\0" \
	"mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
	"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
	"mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
	"mmcargs=setenv bootargs console=${console},${baudrate} " \
		"root=${mmcroot}\0" \
	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
	"mmcboot=echo Booting from mmc ...; " \
		"run mmcargs; " \
		"if run loadfdt; then " \
			"bootz ${loadaddr} - ${fdt_addr}; " \
		"fi;\0" \

#define CONFIG_BOOTCOMMAND \
	"if run loadimage; then " \
		"run mmcboot; " \
	"fi; " \

#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR

#define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
#define CONFIG_SYS_INIT_RAM_SIZE	SZ_256K

#define CONFIG_SYS_INIT_SP_OFFSET \
	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_ADDR \
	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)

#define CONFIG_MXC_USB_PORTSC		(PORT_PTS_UTMI | PORT_PTS_PTW)
#endif	/* __CONFIG_H */