include/environment/ti/mmc.h

   1 /*
   2  * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com
   3  *
   4  * Environment variable definitions for MMC/SD on TI boards.
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #ifndef __TI_MMC_H
  10 #define __TI_MMC_H
  11
  12 #define DEFAULT_MMC_TI_ARGS \
  13         "mmcdev=0\0" \
  14         "mmcrootfstype=ext4 rootwait\0" \
  15         "finduuid=part uuid mmc ${bootpart} uuid\0" \
  16         "args_mmc=run finduuid;setenv bootargs console=${console} " \
  17                 "${optargs} " \
  18                 "root=PARTUUID=${uuid} rw " \
  19                 "rootfstype=${mmcrootfstype}\0" \
  20         "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
  21         "bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
  22                 "source ${loadaddr}\0" \
  23         "bootenvfile=uEnv.txt\0" \
  24         "importbootenv=echo Importing environment from mmc${mmcdev} ...; " \
  25                 "env import -t ${loadaddr} ${filesize}\0" \
  26         "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenvfile}\0" \
  27         "loadimage=load ${devtype} ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
  28         "loadfdt=load ${devtype} ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
  29         "envboot=mmc dev ${mmcdev}; " \
  30                 "if mmc rescan; then " \
  31                         "echo SD/MMC found on device ${mmcdev};" \
  32                         "if run loadbootscript; then " \
  33                                 "run bootscript;" \
  34                         "else " \
  35                                 "if run loadbootenv; then " \
  36                                         "echo Loaded env from ${bootenvfile};" \
  37                                         "run importbootenv;" \
  38                                 "fi;" \
  39                                 "if test -n $uenvcmd; then " \
  40                                         "echo Running uenvcmd ...;" \
  41                                         "run uenvcmd;" \
  42                                 "fi;" \
  43                         "fi;" \
  44                 "fi;\0" \
  45         "mmcloados=run args_mmc; " \
  46                 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
  47                         "if run loadfdt; then " \
  48                                 "bootz ${loadaddr} - ${fdtaddr}; " \
  49                         "else " \
  50                                 "if test ${boot_fdt} = try; then " \
  51                                         "bootz; " \
  52                                 "else " \
  53                                         "echo WARN: Cannot load the DT; " \
  54                                 "fi; " \
  55                         "fi; " \
  56                 "else " \
  57                         "bootz; " \
  58                 "fi;\0" \
  59         "mmcboot=mmc dev ${mmcdev}; " \
  60                 "setenv devnum ${mmcdev}; " \
  61                 "setenv devtype mmc; " \
  62                 "if mmc rescan; then " \
  63                         "echo SD/MMC found on device ${mmcdev};" \
  64                         "if run loadimage; then " \
  65                                 "if test ${boot_fit} -eq 1; then " \
  66                                         "run loadfit; " \
  67                                 "else " \
  68                                         "run mmcloados;" \
  69                                 "fi;" \
  70                         "fi;" \
  71                 "fi;\0"
  72
  73 #endif /* __TI_MMC_H */