[U-Boot] [PATCH] arm64: zynqmp: Add new jtag distro boot command

[Michal Simek]

From: Siva Durga Prasad Paladugu <siva.durga.paladugu at xilinx.com>

This patch adds new jtag distro boot command to look for bootscript file in
DDR and execute it first incase of jtag bootmode.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---

 board/xilinx/zynqmp/zynqmp.c    | 2 +-
 include/configs/xilinx_zynqmp.h | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/board/xilinx/zynqmp/zynqmp.c b/board/xilinx/zynqmp/zynqmp.c
index 0c331e332230..f36d49fded99 100644
--- a/board/xilinx/zynqmp/zynqmp.c
+++ b/board/xilinx/zynqmp/zynqmp.c
@@ -564,7 +564,7 @@ int board_late_init(void)
 		break;
 	case JTAG_MODE:
 		puts("JTAG_MODE\n");
-		mode = "pxe dhcp";
+		mode = "jtag pxe dhcp";
 		env_set("modeboot", "jtagboot");
 		break;
 	case QSPI_MODE_24BIT:
diff --git a/include/configs/xilinx_zynqmp.h b/include/configs/xilinx_zynqmp.h
index 791719147ce2..070b210ffcce 100644
--- a/include/configs/xilinx_zynqmp.h
+++ b/include/configs/xilinx_zynqmp.h
@@ -175,7 +175,16 @@
 #define BOOTENV_DEV_NAME_NAND(devtypeu, devtypel, instance) \
 	#devtypel #instance " "
 
+#define BOOT_TARGET_DEVICES_JTAG(func)	func(JTAG, jtag, na)
+
+#define BOOTENV_DEV_JTAG(devtypeu, devtypel, instance) \
+	"bootcmd_jtag=source $scriptaddr; echo SCRIPT FAILED: continuing...;\0"
+
+#define BOOTENV_DEV_NAME_JTAG(devtypeu, devtypel, instance) \
+	"jtag "
+
 #define BOOT_TARGET_DEVICES(func) \
+	BOOT_TARGET_DEVICES_JTAG(func) \
 	BOOT_TARGET_DEVICES_MMC(func) \
 	BOOT_TARGET_DEVICES_QSPI(func) \
 	BOOT_TARGET_DEVICES_NAND(func) \
-- 
2.17.1