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 /* Using ULP WDOG for reset */ 15 #define WDOG_BASE_ADDR WDG1_RBASE 16 17 #define CFG_SYS_HZ_CLOCK 1000000 /* Fixed at 1Mhz from TSTMR */ 18 19 /* UART */ 20 #define LPUART_BASE LPUART4_RBASE 21 22 /* Miscellaneous configurable options */ 23 24 /* Physical Memory Map */ 25 26 #define PHYS_SDRAM 0x60000000 27 #define PHYS_SDRAM_SIZE SZ_1G 28 #define CFG_SYS_SDRAM_BASE PHYS_SDRAM 29 30 #define CFG_EXTRA_ENV_SETTINGS \ 31 "script=boot.scr\0" \ 32 "image=zImage\0" \ 33 "console=ttyLP0\0" \ 34 "fdt_high=0xffffffff\0" \ 35 "initrd_high=0xffffffff\0" \ 36 "fdt_file=imx7ulp-evk.dtb\0" \ 37 "fdt_addr=0x63000000\0" \ 38 "boot_fdt=try\0" \ 39 "earlycon=lpuart32,0x402D0010\0" \ 40 "ip_dyn=yes\0" \ 41 "mmcdev="__stringify(CONFIG_ENV_MMC_DEVICE_INDEX)"\0" \ 42 "mmcpart=1\0" \ 43 "mmcroot=/dev/mmcblk0p2 rootwait rw\0" \ 44 "mmcautodetect=yes\0" \ 45 "mmcargs=setenv bootargs console=${console},${baudrate} " \ 46 "root=${mmcroot}\0" \ 47 "loadbootscript=" \ 48 "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ 49 "bootscript=echo Running bootscript from mmc ...; " \ 50 "source\0" \ 51 "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \ 52 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ 53 "mmcboot=echo Booting from mmc ...; " \ 54 "run mmcargs; " \ 55 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 56 "if run loadfdt; then " \ 57 "bootz ${loadaddr} - ${fdt_addr}; " \ 58 "else " \ 59 "if test ${boot_fdt} = try; then " \ 60 "bootz; " \ 61 "else " \ 62 "echo WARN: Cannot load the DT; " \ 63 "fi; " \ 64 "fi; " \ 65 "else " \ 66 "bootz; " \ 67 "fi;\0" \ 68 "netargs=setenv bootargs console=${console},${baudrate} " \ 69 "root=/dev/nfs " \ 70 "ip=:::::eth0:dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ 71 "netboot=echo Booting from net ...; " \ 72 "run netargs; " \ 73 "if test ${ip_dyn} = yes; then " \ 74 "setenv get_cmd dhcp; " \ 75 "else " \ 76 "setenv get_cmd tftp; " \ 77 "fi; " \ 78 "usb start; "\ 79 "${get_cmd} ${image}; " \ 80 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 81 "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \ 82 "bootz ${loadaddr} - ${fdt_addr}; " \ 83 "else " \ 84 "if test ${boot_fdt} = try; then " \ 85 "bootz; " \ 86 "else " \ 87 "echo WARN: Cannot load the DT; " \ 88 "fi; " \ 89 "fi; " \ 90 "else " \ 91 "bootz; " \ 92 "fi;\0" \ 93 94 #define CFG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR 95 #define CFG_SYS_INIT_RAM_SIZE SZ_256K 96 97 #endif /* __CONFIG_H */ 98