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firmware: zynqmp: Enable IPI code calling also in EL3

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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>
This commit is contained in:
Michal Simek
2020-03-23 14:42:34 +01:00
parent f8451f144e
commit 73319eee87
1 changed files with 1 additions and 1 deletions
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2
drivers/firmware/firmware-zynqmp.c
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@@ -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) 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 ipi_req(req, req_len, res, res_maxlen);
return xilinx_pm_request(req[0], 0, 0, 0, 0, res); return xilinx_pm_request(req[0], 0, 0, 0, 0, res);