arm64: zynqmp: Start usb automatically via preboot on Kria

U-Boot configures the USB config object which enables power for
the IP, without this the linux usb driver won't work.
So add "usb start" as part of preboot command.

Fixes: dd4a82201694 ("arm64: zynqmp: Introduce kria SOM defconfig")
Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/180c9776b03d57d8218d161924363906ef354394.1744272843.git.michal.simek@amd.com

diff --git a/board/xilinx/zynqmp/zynqmp_kria.env b/board/xilinx/zynqmp/zynqmp_kria.env
index 75b604a..89f48c0 100644 (file)
--- a/board/xilinx/zynqmp/zynqmp_kria.env
+++ b/board/xilinx/zynqmp/zynqmp_kria.env
@@ -42,7 +42,7 @@ script_offset_f=0x3e80000
 script_size_f=0x80000
 scriptaddr=0x20000000
 usb_boot=usb start; if usb dev ${devnum}; then devtype=usb; run scan_dev_for_boot_part; fi
-preboot=setenv boot_targets; setenv modeboot; run board_setup
+preboot=setenv boot_targets; setenv modeboot; run board_setup; usb start
 usb_pgood_delay=1000
 
 # SOM specific boot methods