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| author | Michal Simek <michal.simek@xilinx.com> | 2020-03-23 14:42:34 +0100 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2020-04-06 12:52:45 +0200 |
| commit | 73319eee878c3321a90ae0cc8e0ca8e6ebf0f1fd (patch) | |
| tree | 44d07ae304ff288e99237a8b7d72673796d59353 /drivers/firmware/firmware-zynqmp.c | |
| parent | f8451f144e3d8fe704bd78416e93a68fd7781123 (diff) | |
| download | u-boot-73319eee878c3321a90ae0cc8e0ca8e6ebf0f1fd.tar.gz u-boot-73319eee878c3321a90ae0cc8e0ca8e6ebf0f1fd.tar.xz u-boot-73319eee878c3321a90ae0cc8e0ca8e6ebf0f1fd.zip | |
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>
Diffstat (limited to 'drivers/firmware/firmware-zynqmp.c')
| -rw-r--r-- | drivers/firmware/firmware-zynqmp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c index 2a2aa2f4f1..c37642569d 100644 --- a/drivers/firmware/firmware-zynqmp.c +++ b/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); |