hikey: enable PMF and instrumentations
authorVincent Guittot <vincent.guittot@linaro.org>
Wed, 7 Jun 2017 08:12:05 +0000 (10:12 +0200)
committerVincent Guittot <vincent.guittot@linaro.org>
Wed, 7 Jun 2017 08:14:27 +0000 (10:14 +0200)
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 [new file with mode: 0644]
plat/hisilicon/hikey/include/hisi_sip_svc.h [new file with mode: 0644]
plat/hisilicon/hikey/platform.mk

diff --git a/plat/hisilicon/hikey/hisi_sip_svc.c b/plat/hisilicon/hikey/hisi_sip_svc.c
new file mode 100644 (file)
index 0000000..15953af
--- /dev/null
@@ -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 (file)
index 0000000..662b6cc
--- /dev/null
@@ -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__ */
index ec4bb5caded314562b523b2ee7c00dfb167d73ac..e0d0a702f5a0361cc9d1fc6a54c996a090a42298 100644 (file)
@@ -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
+