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authorAng Tien Sung2022-07-11 17:31:40 -0500
committerGreg Kroah-Hartman2022-07-14 16:55:09 +0200
commit7935e899b35c93faa26e1d272a51b3d9cb39f23f (patch)
treeb02f7c146bf54b4c2b909f8a74742841ae947c8c /drivers/firmware
parent1b4394c5d731593063f53df9d72467335c3b0367 (diff)
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 <tien.sung.ang@intel.com> Signed-off-by: Dinh Nguyen <dinguyen@kernel.org> Link: https://lore.kernel.org/r/20220711223140.2307945-6-dinguyen@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/stratix10-svc.c10
1 files changed, 10 insertions, 0 deletions
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;