/* 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 #include #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 /* allow to overwrite serial and ethaddr */ #define CONFIG_ENV_OVERWRITE /* 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 */