GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/include/environment/ti/mmc.h

@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com
+ *
+ * Environment variable definitions for MMC/SD on TI boards.
+ */
+
+#ifndef __TI_MMC_H
+#define __TI_MMC_H
+
+#define DEFAULT_MMC_TI_ARGS \
+	"mmcdev=0\0" \
+	"mmcrootfstype=ext4 rootwait\0" \
+	"finduuid=part uuid mmc ${bootpart} uuid\0" \
+	"args_mmc=run finduuid;setenv bootargs console=${console} " \
+		"${optargs} " \
+		"root=PARTUUID=${uuid} rw " \
+		"rootfstype=${mmcrootfstype}\0" \
+	"loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
+	"bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
+		"source ${loadaddr}\0" \
+	"bootenvfile=uEnv.txt\0" \
+	"importbootenv=echo Importing environment from mmc${mmcdev} ...; " \
+		"env import -t ${loadaddr} ${filesize}\0" \
+	"loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenvfile}\0" \
+	"loadimage=load ${devtype} ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
+	"loadfdt=load ${devtype} ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
+	"envboot=mmc dev ${mmcdev}; " \
+		"if mmc rescan; then " \
+			"echo SD/MMC found on device ${mmcdev};" \
+			"if run loadbootscript; then " \
+				"run bootscript;" \
+			"else " \
+				"if run loadbootenv; then " \
+					"echo Loaded env from ${bootenvfile};" \
+					"run importbootenv;" \
+				"fi;" \
+				"if test -n $uenvcmd; then " \
+					"echo Running uenvcmd ...;" \
+					"run uenvcmd;" \
+				"fi;" \
+			"fi;" \
+		"fi;\0" \
+	"mmcloados=run args_mmc; " \
+		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+			"if run loadfdt; then " \
+				"bootz ${loadaddr} - ${fdtaddr}; " \
+			"else " \
+				"if test ${boot_fdt} = try; then " \
+					"bootz; " \
+				"else " \
+					"echo WARN: Cannot load the DT; " \
+				"fi; " \
+			"fi; " \
+		"else " \
+			"bootz; " \
+		"fi;\0" \
+	"mmcboot=mmc dev ${mmcdev}; " \
+		"devnum=${mmcdev}; " \
+		"setenv devtype mmc; " \
+		"if mmc rescan; then " \
+			"echo SD/MMC found on device ${mmcdev};" \
+			"if run loadimage; then " \
+				"if test ${boot_fit} -eq 1; then " \
+					"run loadfit; " \
+				"else " \
+					"run mmcloados;" \
+				"fi;" \
+			"fi;" \
+		"fi;\0"
+
+#endif /* __TI_MMC_H */