1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright 2018 NXP 4 */ 5 6 #ifndef __IMX8QM_MEK_H 7 #define __IMX8QM_MEK_H 8 9 #include <linux/sizes.h> 10 #include <linux/stringify.h> 11 #include <asm/arch/imx-regs.h> 12 13 #ifdef CONFIG_XPL_BUILD 14 #define CFG_MALLOC_F_ADDR 0x00120000 15 16 #endif 17 18 #ifdef CONFIG_AHAB_BOOT 19 #define AHAB_ENV "sec_boot=yes\0" 20 #else 21 #define AHAB_ENV "sec_boot=no\0" 22 #endif 23 24 /* Initial environment variables */ 25 #define CFG_EXTRA_ENV_SETTINGS \ 26 AHAB_ENV \ 27 "script=boot.scr\0" \ 28 "image=Image\0" \ 29 "panel=NULL\0" \ 30 "console=ttyLP0,${baudrate} earlycon=lpuart32,0x5a060000,${baudrate}\0" \ 31 "fdt_addr=0x83000000\0" \ 32 "fdt_high=0xffffffffffffffff\0" \ 33 "boot_fdt=try\0" \ 34 "fdt_file=undefined\0" \ 35 "initrd_addr=0x83800000\0" \ 36 "initrd_high=0xffffffffffffffff\0" \ 37 "mmcdev="__stringify(CONFIG_ENV_MMC_DEVICE_INDEX)"\0" \ 38 "mmcpart=1\0" \ 39 "mmcroot=/dev/mmcblk1p2 rootwait rw\0" \ 40 "mmcautodetect=yes\0" \ 41 "mmcargs=setenv bootargs console=${console} root=${mmcroot}\0 " \ 42 "loadbootscript=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \ 43 "bootscript=echo Running bootscript from mmc ...; " \ 44 "source\0" \ 45 "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \ 46 "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ 47 "boot_os=booti ${loadaddr} - ${fdt_addr};\0" \ 48 "loadcntr=fatload mmc ${mmcdev}:${mmcpart} ${cntr_addr} ${cntr_file}\0" \ 49 "auth_os=auth_cntr ${cntr_addr}\0" \ 50 "mmcboot=echo Booting from mmc ...; " \ 51 "run mmcargs; " \ 52 "if test ${sec_boot} = yes; then " \ 53 "if run auth_os; then " \ 54 "run boot_os; " \ 55 "else " \ 56 "echo ERR: failed to authenticate; " \ 57 "fi; " \ 58 "else " \ 59 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 60 "if run loadfdt; then " \ 61 "run boot_os; " \ 62 "else " \ 63 "echo WARN: Cannot load the DT; " \ 64 "fi; " \ 65 "else " \ 66 "echo wait for boot; " \ 67 "fi;" \ 68 "fi;\0" \ 69 "netargs=setenv bootargs console=${console} " \ 70 "root=/dev/nfs " \ 71 "ip=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 "if test ${sec_boot} = yes; then " \ 80 "${get_cmd} ${cntr_addr} ${cntr_file}; " \ 81 "if run auth_os; then " \ 82 "run boot_os; " \ 83 "else " \ 84 "echo ERR: failed to authenticate; " \ 85 "fi; " \ 86 "else " \ 87 "${get_cmd} ${loadaddr} ${image}; " \ 88 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 89 "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \ 90 "booti ${loadaddr} - ${fdt_addr}; " \ 91 "else " \ 92 "echo WARN: Cannot load the DT; " \ 93 "fi; " \ 94 "else " \ 95 "booti; " \ 96 "fi;" \ 97 "fi;\0" 98 99 /* Link Definitions */ 100 101 /* Default environment is in SD */ 102 103 /* On LPDDR4 board, USDHC1 is for eMMC, USDHC2 is for SD on CPU board */ 104 105 #define CFG_SYS_SDRAM_BASE 0x80000000 106 #define PHYS_SDRAM_1 0x80000000 107 #define PHYS_SDRAM_2 0x880000000 108 #define PHYS_SDRAM_1_SIZE 0x80000000 /* 2 GB */ 109 #define PHYS_SDRAM_2_SIZE 0x100000000 /* 4 GB */ 110 111 #endif /* __IMX8QM_MEK_H */ 112