mirror of
https://github.com/AsahiLinux/u-boot
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89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
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/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2016 Freescale Semiconductor, Inc.
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*
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* Configuration settings for the Embedded Artists i.MX7ULP COM board.
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*/
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#ifndef __MX7ULP_COM_CONFIG_H
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#define __MX7ULP_COM_CONFIG_H
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#include <linux/sizes.h>
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#include <asm/arch/imx-regs.h>
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#define CONFIG_BOARD_POSTCLK_INIT
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#define CONFIG_SYS_BOOTM_LEN 0x1000000
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/*
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* Detect overlap between U-Boot image and environment area in build-time
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*
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* CONFIG_BOARD_SIZE_LIMIT = CONFIG_ENV_OFFSET - u-boot-dtb.imx offset
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* CONFIG_BOARD_SIZE_LIMIT = 768k - 1k = 767k = 785408
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*
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* Currently CONFIG_BOARD_SIZE_LIMIT does not handle expressions, so
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* write the direct value here
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*/
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#define CONFIG_BOARD_SIZE_LIMIT 785408
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#define CONFIG_MMCROOT "/dev/mmcblk0p2"
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#define CONFIG_SYS_MMC_IMG_LOAD_PART 1
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/* Using ULP WDOG for reset */
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#define WDOG_BASE_ADDR WDG1_RBASE
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#define CONFIG_SYS_HZ_CLOCK 1000000 /* Fixed at 1MHz from TSTMR */
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#define CONFIG_INITRD_TAG
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#define CONFIG_CMDLINE_TAG
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#define CONFIG_SETUP_MEMORY_TAGS
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/* Size of malloc() pool */
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#define CONFIG_SYS_MALLOC_LEN (8 * SZ_1M)
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/* UART */
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#define LPUART_BASE LPUART4_RBASE
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/* Physical Memory Map */
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#define PHYS_SDRAM 0x60000000
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#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
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#define CONFIG_LOADADDR 0x60800000
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"image=zImage\0" \
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"console=ttyLP0\0" \
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"fdt_high=0xffffffff\0" \
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"initrd_high=0xffffffff\0" \
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"fdt_file=imx7ulp-com.dtb\0" \
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"fdt_addr=0x63000000\0" \
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"mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
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"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
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"mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
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"mmcargs=setenv bootargs console=${console},${baudrate} " \
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"root=${mmcroot}\0" \
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"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
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"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
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"mmcboot=echo Booting from mmc ...; " \
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"run mmcargs; " \
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"if run loadfdt; then " \
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"bootz ${loadaddr} - ${fdt_addr}; " \
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"fi;\0" \
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#define CONFIG_BOOTCOMMAND \
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"if run loadimage; then " \
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"run mmcboot; " \
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"fi; " \
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#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
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#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR
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#define CONFIG_SYS_INIT_RAM_SIZE SZ_256K
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#define CONFIG_SYS_INIT_SP_OFFSET \
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(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
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#define CONFIG_SYS_INIT_SP_ADDR \
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(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
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#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW)
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#endif /* __CONFIG_H */
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