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 15 /* Using ULP WDOG for reset */ 16 #define WDOG_BASE_ADDR WDG1_RBASE 17 18 #define CFG_SYS_HZ_CLOCK 1000000 /* Fixed at 1Mhz from TSTMR */ 19 20 /* UART */ 21 #define LPUART_BASE LPUART4_RBASE 22 23 /* Miscellaneous configurable options */ 24 25 /* Physical Memory Map */ 26 27 #define PHYS_SDRAM 0x60000000 28 #define PHYS_SDRAM_SIZE SZ_1G 29 #define CFG_SYS_SDRAM_BASE PHYS_SDRAM 30 31 #define CFG_EXTRA_ENV_SETTINGS \ 32 "script=boot.scr\0" \ 33 "image=zImage\0" \ 34 "console=ttyLP0\0" \ 35 "fdt_high=0xffffffff\0" \ 36 "initrd_high=0xffffffff\0" \ 37 "fdt_file=imx7ulp-evk.dtb\0" \ 38 "fdt_addr=0x63000000\0" \ 39 "boot_fdt=try\0" \ 40 "earlycon=lpuart32,0x402D0010\0" \ 41 "ip_dyn=yes\0" \ 42 "mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \ 43 "mmcpart=1\0" \ 44 "mmcroot=/dev/mmcblk0p2 rootwait rw\0" \ 45 "mmcautodetect=yes\0" \ 46 "mmcargs=setenv bootargs console=${console},${baudrate} " \ 47 "root=${mmcroot}\0" \ 48 "loadbootscript=" \ 49 "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ 50 "bootscript=echo Running bootscript from mmc ...; " \ 51 "source\0" \ 52 "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \ 53 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ 54 "mmcboot=echo Booting from mmc ...; " \ 55 "run mmcargs; " \ 56 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 57 "if run loadfdt; then " \ 58 "bootz ${loadaddr} - ${fdt_addr}; " \ 59 "else " \ 60 "if test ${boot_fdt} = try; then " \ 61 "bootz; " \ 62 "else " \ 63 "echo WARN: Cannot load the DT; " \ 64 "fi; " \ 65 "fi; " \ 66 "else " \ 67 "bootz; " \ 68 "fi;\0" \ 69 "netargs=setenv bootargs console=${console},${baudrate} " \ 70 "root=/dev/nfs " \ 71 "ip=:::::eth0:dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ 72 "netboot=echo Booting from net ...; " \ 73 "run netargs; " \ 74 "if test ${ip_dyn} = yes; then " \ 75 "setenv get_cmd dhcp; " \ 76 "else " \ 77 "setenv get_cmd tftp; " \ 78 "fi; " \ 79 "usb start; "\ 80 "${get_cmd} ${image}; " \ 81 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 82 "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \ 83 "bootz ${loadaddr} - ${fdt_addr}; " \ 84 "else " \ 85 "if test ${boot_fdt} = try; then " \ 86 "bootz; " \ 87 "else " \ 88 "echo WARN: Cannot load the DT; " \ 89 "fi; " \ 90 "fi; " \ 91 "else " \ 92 "bootz; " \ 93 "fi;\0" \ 94 95 #define CFG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR 96 #define CFG_SYS_INIT_RAM_SIZE SZ_256K 97 98 #endif /* __CONFIG_H */ 99