feat(plat/mediatek/mt8186): add SiP service
Add the basic SiP service.
TEST=build pass
BUG=b:202871018
Change-Id: I4dcc7383237bb6c1f2494920cde21197754f6367
diff --git a/plat/mediatek/mt8186/plat_sip_calls.c b/plat/mediatek/mt8186/plat_sip_calls.c
new file mode 100644
index 0000000..716f3d9
--- /dev/null
+++ b/plat/mediatek/mt8186/plat_sip_calls.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2021, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/debug.h>
+#include <common/runtime_svc.h>
+
+uintptr_t mediatek_plat_sip_handler(uint32_t smc_fid,
+ u_register_t x1,
+ u_register_t x2,
+ u_register_t x3,
+ u_register_t x4,
+ void *cookie,
+ void *handle,
+ u_register_t flags)
+{
+ switch (smc_fid) {
+ default:
+ ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
+ break;
+ }
+
+ SMC_RET1(handle, SMC_UNK);
+}