firmware: zynqmp: Swap addr_hi/low when PM_FPGA_LOAD is called
Don't know reason but in regular flow addr_hi/low are swapped in ATF. It
means when fpga load is done from EL3 there is a need to swap it for PMUFW
to load bitstream.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c
index 7583f24a..d4dc856 100644
--- a/drivers/firmware/firmware-zynqmp.c
+++ b/drivers/firmware/firmware-zynqmp.c
@@ -165,6 +165,14 @@
*/
u32 regs[] = {api_id, arg0, arg1, arg2, arg3};
+ if (api_id == PM_FPGA_LOAD) {
+ /* Swap addr_hi/low because of incompatibility */
+ u32 temp = regs[1];
+
+ regs[1] = regs[2];
+ regs[2] = temp;
+ }
+
ipi_req(regs, PAYLOAD_ARG_CNT, ret_payload, PAYLOAD_ARG_CNT);
#else
return -EPERM;