blob: 28672c4f94c493d5bf2b96ce848205382833df0a [file] [log] [blame]
Fabio Estevam0417ef12019-12-09 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 Estevam0417ef12019-12-09 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 Estevam0417ef12019-12-09 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
35#define CONFIG_INITRD_TAG
36#define CONFIG_CMDLINE_TAG
37#define CONFIG_SETUP_MEMORY_TAGS
38
39/* Size of malloc() pool */
40#define CONFIG_SYS_MALLOC_LEN (8 * SZ_1M)
41
42/* UART */
43#define LPUART_BASE LPUART4_RBASE
44
Fabio Estevam0417ef12019-12-09 10:43:03 -030045/* Physical Memory Map */
46
47#define PHYS_SDRAM 0x60000000
Fabio Estevam0417ef12019-12-09 10:43:03 -030048#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
49
50#define CONFIG_LOADADDR 0x60800000
51
Fabio Estevam0417ef12019-12-09 10:43:03 -030052#define CONFIG_EXTRA_ENV_SETTINGS \
53 "image=zImage\0" \
54 "console=ttyLP0\0" \
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} " \
63 "root=${mmcroot}\0" \
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 ...; " \
67 "run mmcargs; " \
68 "if run loadfdt; then " \
69 "bootz ${loadaddr} - ${fdt_addr}; " \
70 "fi;\0" \
71
72#define CONFIG_BOOTCOMMAND \
73 "if run loadimage; then " \
74 "run mmcboot; " \
75 "fi; " \
76
77#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
78
79#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR
80#define CONFIG_SYS_INIT_RAM_SIZE SZ_256K
81
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)
86
Fabio Estevam0417ef12019-12-09 10:43:03 -030087#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW)
88#endif /* __CONFIG_H */