1 /* 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 17 /* 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 27 #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 45 /* Physical Memory Map */ 46 47 #define PHYS_SDRAM 0x60000000 48 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM 49 50 #define CONFIG_LOADADDR 0x60800000 51 52 #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 87 #define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW) 88 #endif /* __CONFIG_H */ 89