arm: socfpga: smc: Add function to get usercode
Add function to send mailbox command via SMC to get usercode from SDM.
Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
Reviewed-by: Ley Foon Tan <ley.foon.tan@intel.com>
diff --git a/include/linux/intel-smc.h b/include/linux/intel-smc.h
index 68d62be..a54eff4 100644
--- a/include/linux/intel-smc.h
+++ b/include/linux/intel-smc.h
@@ -518,4 +518,22 @@
#define INTEL_SIP_SMC_MBOX_SEND_CMD \
INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_MBOX_SEND_CMD)
+/*
+ * Request INTEL_SIP_SMC_GET_USERCODE
+ *
+ * Send mailbox command to get usercode from SDM
+ *
+ * Call register usage:
+ * a0 INTEL_SIP_SMC_GET_USERCODE
+ * a1-7 not used.
+ *
+ * Return status
+ * a0 INTEL_SIP_SMC_STATUS_OK or INTEL_SIP_SMC_STATUS_ERROR
+ * a1 User code
+ * a2-3 not used.
+ */
+#define INTEL_SIP_SMC_FUNCID_GET_USERCODE 61
+#define INTEL_SIP_SMC_GET_USERCODE \
+ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_GET_USERCODE)
+
#endif