ARM64: zynqmp: Add support for SD1 with level shifters bootmode

Add support for SD1 with level shifters bootmode.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/arm/include/asm/arch-zynqmp/hardware.h

@@ -79,6 +79,7 @@ struct iou_scntr_secure {
 #define NAND_MODE	0x00000004
 #define EMMC_MODE	0x00000006
 #define USB_MODE	0x00000007
+#define SD1_LSHFT_MODE	0x0000000E /* SD1 Level shifter */
 #define JTAG_MODE	0x00000000
 #define BOOT_MODE_USE_ALT	0x100
 #define BOOT_MODE_ALT_SHIFT	12

board/xilinx/zynqmp/zynqmp.c

@@ -360,6 +360,9 @@ int board_late_init(void)
 		puts("SD_MODE\n");
 		mode = "mmc0";
 		break;
+	case SD1_LSHFT_MODE:
+		puts("LVL_SHFT_");
+		/* fall through */
 	case SD_MODE1:
 		puts("SD_MODE1\n");
 #if defined(CONFIG_ZYNQ_SDHCI0) && defined(CONFIG_ZYNQ_SDHCI1)