include/configs/imx8mn_beacon.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright 2020 Compass Electronics Group, LLC
   4  */
   5
   6 #ifndef __IMX8MN_BEACON_H
   7 #define __IMX8MN_BEACON_H
   8
   9 #include <linux/sizes.h>
  10 #include <asm/arch/imx-regs.h>
  11
  12 #define CFG_SYS_UBOOT_BASE      \
  13         (QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)
  14
  15 /* Initial environment variables */
  16 #define CFG_EXTRA_ENV_SETTINGS          \
  17         "script=boot.scr\0" \
  18         "image=Image\0" \
  19         "ramdiskimage=rootfs.cpio.uboot\0" \
  20         "console=ttymxc1,115200\0" \
  21         "fdt_addr=0x43000000\0"                 \
  22         "ramdisk_addr=0x44000000\0" \
  23         "boot_fdt=try\0" \
  24         "fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
  25         "initrd_addr=0x43800000\0"              \
  26         "mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \
  27         "mmcpart=1\0" \
  28         "finduuid=part uuid mmc ${mmcdev}:2 uuid\0" \
  29         "mmcautodetect=yes\0" \
  30         "mmcargs=setenv bootargs console=${console} " \
  31         " root=PARTUUID=${uuid} rootwait rw ${mtdparts} ${optargs}\0" \
  32         "ramargs=setenv bootargs console=${console} root=/dev/ram rw " \
  33         " ${optargs}\0" \
  34         "loadbootscript=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
  35         "bootscript=echo Running bootscript from mmc ...; " \
  36                 "source\0" \
  37         "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
  38         "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
  39         "loadramdisk=load mmc ${mmcdev} ${ramdisk_addr} ${ramdiskimage}\0"\
  40         "mmcboot=echo Booting from mmc ...; " \
  41                 "run finduuid; run mmcargs; " \
  42                 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
  43                         "if run loadfdt; then " \
  44                                 "booti ${loadaddr} - ${fdt_addr}; " \
  45                         "else " \
  46                                 "echo WARN: Cannot load the DT; " \
  47                         "fi; " \
  48                 "else " \
  49                         "echo wait for boot; " \
  50                 "fi;\0" \
  51         "netargs=setenv bootargs console=${console} " \
  52                 "root=/dev/nfs " \
  53                 "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
  54         "netboot=echo Booting from net ...; " \
  55                 "run netargs;  " \
  56                 "if test ${ip_dyn} = yes; then " \
  57                         "setenv get_cmd dhcp; " \
  58                 "else " \
  59                         "setenv get_cmd tftp; " \
  60                 "fi; " \
  61                 "${get_cmd} ${loadaddr} ${image}; " \
  62                 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
  63                         "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
  64                                 "booti ${loadaddr} - ${fdt_addr}; " \
  65                         "else " \
  66                                 "echo WARN: Cannot load the DT; " \
  67                         "fi; " \
  68                 "else " \
  69                         "booti; " \
  70                 "fi;\0" \
  71         "ramboot=echo Booting from RAMdisk...; "\
  72                 "run loadimage; run loadfdt; fdt addr $fdt_addr; "\
  73                 "run loadramdisk; run ramargs; " \
  74                 "booti ${loadaddr} ${ramdisk_addr} ${fdt_addr} ${optargs}\0"
  75
  76 /* Link Definitions */
  77
  78 #define CFG_SYS_INIT_RAM_ADDR        0x40000000
  79 #define CFG_SYS_INIT_RAM_SIZE        0x200000
  80
  81 #define CFG_SYS_SDRAM_BASE              0x40000000
  82 #define PHYS_SDRAM                      0x40000000
  83 #if CONFIG_IS_ENABLED(IMX8MN_BEACON_2GB_LPDDR)
  84 #define PHYS_SDRAM_SIZE         0x80000000 /* 2GB DDR */
  85 #else
  86 #define PHYS_SDRAM_SIZE         0x40000000 /* 1GB DDR */
  87 #endif
  88
  89 #endif