cmd: fpga: Update loads command help to handle devicekey support

This patch updates the fpga loads command help to handle a case
where user wants to use devicekey for loading encrypted bitstreams
instead of userkey. The key address and size should be sent as
0xFFFFFFFF to let fpga driver to use devicekey.

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

diff --git a/cmd/fpga.c b/cmd/fpga.c
index d584bbd183c5a4b891a9f62be71af249e527aaa1..1ed0b502da2cb2cfaa456274446b09e858d43bbf 100644 (file)
--- a/cmd/fpga.c
+++ b/cmd/fpga.c
@@ -410,5 +410,7 @@ U_BOOT_CMD(fpga, 8, 1, do_fpga,
           "address whose :size and IV/PPK at address with size. The secure\n"
           "image type specifies whether it is authenticated/encrypted\n"
           "(0-enc, 1-auth) type of bitstream\n"
+          "NOTE: To use device key stored in efuse key:size should be\n"
+          "      0xFFFFFFFF:0xFFFFFFFF (only for encrypted bitstreams)\n"
 #endif
 );