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| author | Ang Tien Sung <tien.sung.ang@intel.com> | 2022-07-11 17:31:40 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-07-14 16:55:09 +0200 |
| commit | 7935e899b35c93faa26e1d272a51b3d9cb39f23f (patch) | |
| tree | b02f7c146bf54b4c2b909f8a74742841ae947c8c /drivers/firmware/stratix10-svc.c | |
| parent | 1b4394c5d731593063f53df9d72467335c3b0367 (diff) | |
| download | linux-7935e899b35c93faa26e1d272a51b3d9cb39f23f.tar.bz2 | |
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/stratix10-svc.c')
| -rw-r--r-- | drivers/firmware/stratix10-svc.c | 10 |
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; |