From 9f505cc22a40e969963a7fe8d9c9d0e702ff0fcb Mon Sep 17 00:00:00 2001
From: Vincent Guittot <vincent.guittot@linaro.org>
Date: Wed, 7 Jun 2017 10:12:05 +0200
Subject: [PATCH] hikey: enable PMF and instrumentations

enable PMF service call and instrumetion for hikey platform

Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
---
 plat/hisilicon/hikey/hisi_sip_svc.c         | 84 +++++++++++++++++++++
 plat/hisilicon/hikey/include/hisi_sip_svc.h | 21 ++++++
 plat/hisilicon/hikey/platform.mk            |  5 ++
 3 files changed, 110 insertions(+)
 create mode 100644 plat/hisilicon/hikey/hisi_sip_svc.c
 create mode 100644 plat/hisilicon/hikey/include/hisi_sip_svc.h

diff --git a/plat/hisilicon/hikey/hisi_sip_svc.c b/plat/hisilicon/hikey/hisi_sip_svc.c
new file mode 100644
index 00000000..15953af0
--- /dev/null
+++ b/plat/hisilicon/hikey/hisi_sip_svc.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <hisi_sip_svc.h>
+#include <debug.h>
+#include <pmf.h>
+#include <runtime_svc.h>
+#include <stdint.h>
+#include <uuid.h>
+
+
+/* Hisi SiP Service UUID */
+DEFINE_SVC_UUID(hisi_sip_svc_uid,
+		0xe599df74, 0x7682, 0x40aa, 0x9f, 0xf8,
+		0xc0, 0x85, 0x52, 0xbc, 0x39, 0x3f);
+
+static int hisi_sip_setup(void)
+{
+	if (pmf_setup() != 0)
+		return 1;
+	return 0;
+}
+
+/*
+ * This function handles Hisi defined SiP Calls
+ */
+static uintptr_t hisi_sip_handler(unsigned int 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)
+{
+	int call_count = 0;
+
+	/*
+	 * Dispatch PMF calls to PMF SMC handler and return its return
+	 * value
+	 */
+	if (is_pmf_fid(smc_fid)) {
+		return pmf_smc_handler(smc_fid, x1, x2, x3, x4, cookie,
+				handle, flags);
+	}
+
+	switch (smc_fid) {
+	case HISI_SIP_SVC_CALL_COUNT:
+		/* PMF calls */
+		call_count += PMF_NUM_SMC_CALLS;
+
+		/* State switch call */
+		call_count += 1;
+
+		SMC_RET1(handle, call_count);
+
+	case HISI_SIP_SVC_UID:
+		/* Return UID to the caller */
+		SMC_UUID_RET(handle, hisi_sip_svc_uid);
+
+	case HISI_SIP_SVC_VERSION:
+		/* Return the version of current implementation */
+		SMC_RET2(handle, HISI_SIP_SVC_VERSION_MAJOR, HISI_SIP_SVC_VERSION_MINOR);
+
+	default:
+		WARN("Unimplemented HISI SiP Service Call: 0x%x \n", smc_fid);
+		SMC_RET1(handle, SMC_UNK);
+	}
+
+}
+
+
+/* Define a runtime service descriptor for fast SMC calls */
+DECLARE_RT_SVC(
+	hisi_sip_svc,
+	OEN_SIP_START,
+	OEN_SIP_END,
+	SMC_TYPE_FAST,
+	hisi_sip_setup,
+	hisi_sip_handler
+);
diff --git a/plat/hisilicon/hikey/include/hisi_sip_svc.h b/plat/hisilicon/hikey/include/hisi_sip_svc.h
new file mode 100644
index 00000000..662b6ccc
--- /dev/null
+++ b/plat/hisilicon/hikey/include/hisi_sip_svc.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __HISI_SIP_SVC_H__
+#define __HISI_SIP_SVC_H__
+
+/* SMC function IDs for SiP Service queries */
+
+#define HISI_SIP_SVC_CALL_COUNT		0x8200ff00
+#define HISI_SIP_SVC_UID			0x8200ff01
+/*					0x8200ff02 is reserved */
+#define HISI_SIP_SVC_VERSION			0x8200ff03
+
+/* HISI SiP Service Calls version numbers */
+#define HISI_SIP_SVC_VERSION_MAJOR		0x0
+#define HISI_SIP_SVC_VERSION_MINOR		0x1
+
+#endif /* __ARM_SIP_SVC_H__ */
diff --git a/plat/hisilicon/hikey/platform.mk b/plat/hisilicon/hikey/platform.mk
index ec4bb5ca..e0d0a702 100644
--- a/plat/hisilicon/hikey/platform.mk
+++ b/plat/hisilicon/hikey/platform.mk
@@ -75,3 +75,8 @@ BL31_SOURCES		+=	drivers/arm/cci/cci.c			\
 				plat/hisilicon/hikey/hisi_pwrc.c	\
 				plat/hisilicon/hikey/hisi_pwrc_sram.S	\
 				${HIKEY_GIC_SOURCES}
+ifeq (${ENABLE_PMF}, 1)
+BL31_SOURCES		+=	plat/hisilicon/hikey/hisi_sip_svc.c			\
+				lib/pmf/pmf_smc.c
+endif
+
-- 
2.30.2