1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2016 Freescale Semiconductor, Inc. 4 * 5 * Configuration settings for the Freescale i.MX7ULP EVK board. 6 */ 7 8 #ifndef __MX7ULP_EVK_CONFIG_H 9 #define __MX7ULP_EVK_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 #define CONFIG_MMCROOT "/dev/mmcblk0p2" /* USDHC1 */ 18 #define CONFIG_SYS_MMC_IMG_LOAD_PART 1 19 20 /* Using ULP WDOG for reset */ 21 #define WDOG_BASE_ADDR WDG1_RBASE 22 23 #define CONFIG_SYS_HZ_CLOCK 1000000 /* Fixed at 1Mhz from TSTMR */ 24 25 #define CONFIG_INITRD_TAG 26 #define CONFIG_CMDLINE_TAG 27 #define CONFIG_SETUP_MEMORY_TAGS 28 /*#define CONFIG_REVISION_TAG*/ 29 30 /* Size of malloc() pool */ 31 #define CONFIG_SYS_MALLOC_LEN (8 * SZ_1M) 32 33 /* UART */ 34 #define LPUART_BASE LPUART4_RBASE 35 36 #define CONFIG_SYS_CACHELINE_SIZE 64 37 38 /* Miscellaneous configurable options */ 39 #define CONFIG_SYS_PROMPT "=> " 40 #define CONFIG_SYS_CBSIZE 512 41 42 #define CONFIG_SYS_MAXARGS 256 43 44 /* Physical Memory Map */ 45 46 #define PHYS_SDRAM 0x60000000 47 #define PHYS_SDRAM_SIZE SZ_1G 48 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM 49 50 #define CONFIG_LOADADDR 0x60800000 51 52 #define CONFIG_EXTRA_ENV_SETTINGS \ 53 "script=boot.scr\0" \ 54 "image=zImage\0" \ 55 "console=ttyLP0\0" \ 56 "fdt_high=0xffffffff\0" \ 57 "initrd_high=0xffffffff\0" \ 58 "fdt_file=imx7ulp-evk.dtb\0" \ 59 "fdt_addr=0x63000000\0" \ 60 "boot_fdt=try\0" \ 61 "earlycon=lpuart32,0x402D0010\0" \ 62 "ip_dyn=yes\0" \ 63 "mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \ 64 "mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \ 65 "mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \ 66 "mmcautodetect=yes\0" \ 67 "mmcargs=setenv bootargs console=${console},${baudrate} " \ 68 "root=${mmcroot}\0" \ 69 "loadbootscript=" \ 70 "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ 71 "bootscript=echo Running bootscript from mmc ...; " \ 72 "source\0" \ 73 "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \ 74 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ 75 "mmcboot=echo Booting from mmc ...; " \ 76 "run mmcargs; " \ 77 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 78 "if run loadfdt; then " \ 79 "bootz ${loadaddr} - ${fdt_addr}; " \ 80 "else " \ 81 "if test ${boot_fdt} = try; then " \ 82 "bootz; " \ 83 "else " \ 84 "echo WARN: Cannot load the DT; " \ 85 "fi; " \ 86 "fi; " \ 87 "else " \ 88 "bootz; " \ 89 "fi;\0" \ 90 "netargs=setenv bootargs console=${console},${baudrate} " \ 91 "root=/dev/nfs " \ 92 "ip=:::::eth0:dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ 93 "netboot=echo Booting from net ...; " \ 94 "run netargs; " \ 95 "if test ${ip_dyn} = yes; then " \ 96 "setenv get_cmd dhcp; " \ 97 "else " \ 98 "setenv get_cmd tftp; " \ 99 "fi; " \ 100 "usb start; "\ 101 "${get_cmd} ${image}; " \ 102 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 103 "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \ 104 "bootz ${loadaddr} - ${fdt_addr}; " \ 105 "else " \ 106 "if test ${boot_fdt} = try; then " \ 107 "bootz; " \ 108 "else " \ 109 "echo WARN: Cannot load the DT; " \ 110 "fi; " \ 111 "fi; " \ 112 "else " \ 113 "bootz; " \ 114 "fi;\0" \ 115 116 #define CONFIG_BOOTCOMMAND \ 117 "mmc dev ${mmcdev}; if mmc rescan; then " \ 118 "if run loadbootscript; then " \ 119 "run bootscript; " \ 120 "else " \ 121 "if run loadimage; then " \ 122 "run mmcboot; " \ 123 "fi; " \ 124 "fi; " \ 125 "fi" 126 127 #define CONFIG_SYS_HZ 1000 128 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 129 130 #define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR 131 #define CONFIG_SYS_INIT_RAM_SIZE SZ_256K 132 133 #define CONFIG_SYS_INIT_SP_OFFSET \ 134 (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 135 #define CONFIG_SYS_INIT_SP_ADDR \ 136 (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) 137 138 #endif /* __CONFIG_H */ 139