armv8: ls1046ardb: Add sd_bootcmd for distro fallback in case of sdboot

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

include/configs/ls1046a_common.h

@@ -227,6 +227,8 @@
 	"kernel_start=0x1000000\0"		\
 	"kernel_load=0xa0000000\0"		\
 	"kernel_size=0x2800000\0"		\
+	"kernel_addr_sd=0x8000\0"		\
+	"kernel_size_sd=0x14000\0"		\
 	"console=ttyS0,115200\0"                \
 	 CONFIG_MTDPARTS_DEFAULT "\0"		\
 	BOOTENV					\
@@ -257,12 +259,13 @@
 			"${scripthdraddr} ${prefix}${boot_script_hdr} " \
 			"&& esbc_validate ${scripthdraddr};"    \
 		"source ${scriptaddr}\0"	  \
-	"installer=load mmc 0:2 $load_addr "          \
-		"/flex_installer_arm64.itb; "          \
-		"bootm $load_addr#ls1046ardb\0"	 \
 	"qspi_bootcmd=echo Trying load from qspi..;"      \
 		"sf probe && sf read $load_addr "         \
-		"$kernel_start $kernel_size && bootm $load_addr#$board\0"
+		"$kernel_start $kernel_size && bootm $load_addr#$board\0" \
+	"sd_bootcmd=echo Trying load from SD ..;"	\
+		"mmcinfo; mmc read $load_addr "		\
+		"$kernel_addr_sd $kernel_size_sd && "	\
+		"bootm $load_addr#$board\0"
 
 #endif
 

include/configs/ls1046ardb.h

@@ -225,8 +225,13 @@
 
 #ifndef SPL_NO_MISC
 #undef CONFIG_BOOTCOMMAND
+#if defined(CONFIG_QSPI_BOOT)
 #define CONFIG_BOOTCOMMAND "run distro_bootcmd; env exists secureboot"	\
 			   "&& esbc_halt; run qspi_bootcmd;"
+#elif defined(CONFIG_SD_BOOT)
+#define CONFIG_BOOTCOMMAND "run distro_bootcmd; env exists secureboot"	\
+			   "&& esbc_halt; run sd_bootcmd;"
+#endif
 #endif
 
 #include <asm/fsl_secure_boot.h>