| /* 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 */ |