From 7935e899b35c93faa26e1d272a51b3d9cb39f23f Mon Sep 17 00:00:00 2001 From: Ang Tien Sung Date: Mon, 11 Jul 2022 17:31:40 -0500 Subject: firmware: stratix10-svc: To support a command ATF Get Version We are to support a new SMC Command of hexadecimal 0x200 that returns the ATF Firmware major and minor version. Signed-off-by: Ang Tien Sung Signed-off-by: Dinh Nguyen Link: https://lore.kernel.org/r/20220711223140.2307945-6-dinguyen@kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/firmware/stratix10-svc.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/firmware/stratix10-svc.c') diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-svc.c index 7fea94fe2ca0..b4081f4d88a3 100644 --- a/drivers/firmware/stratix10-svc.c +++ b/drivers/firmware/stratix10-svc.c @@ -343,6 +343,11 @@ static void svc_thread_recv_status_ok(struct stratix10_svc_data *p_data, cb_data->status = BIT(SVC_STATUS_OK); cb_data->kaddr1 = &res.a1; break; + case COMMAND_SMC_SVC_VERSION: + cb_data->status = BIT(SVC_STATUS_OK); + cb_data->kaddr1 = &res.a1; + cb_data->kaddr2 = &res.a2; + break; case COMMAND_RSU_DCMF_VERSION: cb_data->status = BIT(SVC_STATUS_OK); cb_data->kaddr1 = &res.a1; @@ -524,6 +529,11 @@ static int svc_normal_to_secure_thread(void *data) a1 = 0; a2 = 0; break; + case COMMAND_SMC_SVC_VERSION: + a0 = INTEL_SIP_SMC_SVC_VERSION; + a1 = 0; + a2 = 0; + break; default: pr_warn("it shouldn't happen\n"); break; -- cgit v1.2.3