1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2017 Texas Instruments Incorporated - https://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 ${boot} ${bootpart} uuid\0" \ 15 "args_mmc=run finduuid;setenv bootargs console=${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=" \ 45 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ 46 "if run loadfdt; then " \ 47 "run get_overlay_mmc;" \ 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 ${mmcdev}; " \ 60 "devnum=${mmcdev}; " \ 61 "devtype=mmc; " \ 62 "if mmc rescan; then " \ 63 "echo SD/MMC found on device ${mmcdev};" \ 64 "if run loadimage; then " \ 65 "run args_mmc; " \ 66 "if test ${boot_fit} -eq 1; then " \ 67 "run run_fit; " \ 68 "else " \ 69 "run mmcloados;" \ 70 "fi;" \ 71 "fi;" \ 72 "fi;\0" 73 74 #endif /* __TI_MMC_H */ 75