| /* 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_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 */ |