include/environment/ti/mmc.h

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