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firmware: zynqmp: Enable IPI code calling also in EL3

U-Boot proper can still run in EL3 without using firmware interface wired
via ATF. For supporting this use case there is a need to check EL level
where U-Boot runs and based on that choose the way how to talk to firmware.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Michal Simek 4 years ago
parent
commit
73319eee87
1 changed files with 1 additions and 1 deletions
  1. 1 1
      drivers/firmware/firmware-zynqmp.c

+ 1 - 1
drivers/firmware/firmware-zynqmp.c

@@ -51,7 +51,7 @@ static int ipi_req(const u32 *req, size_t req_len, u32 *res, size_t res_maxlen)
 
 static int send_req(const u32 *req, size_t req_len, u32 *res, size_t res_maxlen)
 {
-	if (IS_ENABLED(CONFIG_SPL_BUILD))
+	if (IS_ENABLED(CONFIG_SPL_BUILD) || current_el() == 3)
 		return ipi_req(req, req_len, res, res_maxlen);
 
 	return xilinx_pm_request(req[0], 0, 0, 0, 0, res);