Tegra: enable SDEI handling
This patch enables SDEI support for all Tegra platforms, with
the following configuration settings.
* SGI 8 as the source IRQ
* Special Private Event 0
* Three private, dynamic events
* Three shared, dynamic events
* Twelve general purpose explicit events
Verified using TFTF SDEI test suite.
******************************* Summary *******************************
Test suite 'SDEI' Passed
=================================
Tests Skipped : 0
Tests Passed : 5
Tests Failed : 0
Tests Crashed : 0
Total tests : 5
=================================
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Change-Id: I1922069931a7876a4594e53260ee09f2e4f09390
diff --git a/plat/nvidia/tegra/common/tegra_common.mk b/plat/nvidia/tegra/common/tegra_common.mk
index 79cc03a..a86a315 100644
--- a/plat/nvidia/tegra/common/tegra_common.mk
+++ b/plat/nvidia/tegra/common/tegra_common.mk
@@ -28,11 +28,13 @@
${COMMON_DIR}/lib/debug/profiler.c \
${COMMON_DIR}/tegra_bl31_setup.c \
${COMMON_DIR}/tegra_delay_timer.c \
+ ${COMMON_DIR}/tegra_ehf.c \
${COMMON_DIR}/tegra_fiq_glue.c \
${COMMON_DIR}/tegra_io_storage.c \
${COMMON_DIR}/tegra_platform.c \
${COMMON_DIR}/tegra_pm.c \
- ${COMMON_DIR}/tegra_sip_calls.c
+ ${COMMON_DIR}/tegra_sip_calls.c \
+ ${COMMON_DIR}/tegra_sdei.c
ifneq ($(ENABLE_STACK_PROTECTOR), 0)
BL31_SOURCES += ${COMMON_DIR}/tegra_stack_protector.c
diff --git a/plat/nvidia/tegra/common/tegra_ehf.c b/plat/nvidia/tegra/common/tegra_ehf.c
new file mode 100644
index 0000000..ea6e443
--- /dev/null
+++ b/plat/nvidia/tegra/common/tegra_ehf.c
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <platform_def.h>
+
+#include <bl31/ehf.h>
+
+/*
+ * Enumeration of priority levels on Tegra platforms.
+ */
+ehf_pri_desc_t tegra_exceptions[] = {
+ /* Watchdog priority */
+ EHF_PRI_DESC(PLAT_PRI_BITS, PLAT_TEGRA_WDT_PRIO),
+
+#if SDEI_SUPPORT
+ /* Critical priority SDEI */
+ EHF_PRI_DESC(PLAT_PRI_BITS, PLAT_SDEI_CRITICAL_PRI),
+
+ /* Normal priority SDEI */
+ EHF_PRI_DESC(PLAT_PRI_BITS, PLAT_SDEI_NORMAL_PRI),
+#endif
+};
+
+/* Plug in Tegra exceptions to Exception Handling Framework. */
+EHF_REGISTER_PRIORITIES(tegra_exceptions, ARRAY_SIZE(tegra_exceptions), PLAT_PRI_BITS);
diff --git a/plat/nvidia/tegra/common/tegra_fiq_glue.c b/plat/nvidia/tegra/common/tegra_fiq_glue.c
index bb5add8..5309d98 100644
--- a/plat/nvidia/tegra/common/tegra_fiq_glue.c
+++ b/plat/nvidia/tegra/common/tegra_fiq_glue.c
@@ -26,15 +26,6 @@
/* Legacy FIQ used by earlier Tegra platforms */
#define LEGACY_FIQ_PPI_WDT 28U
-/* Install priority level descriptors for each dispatcher */
-ehf_pri_desc_t plat_exceptions[] = {
- EHF_PRI_DESC(PLAT_PRI_BITS, PLAT_TEGRA_WDT_PRIO),
-};
-
-/* Expose priority descriptors to Exception Handling Framework */
-EHF_REGISTER_PRIORITIES(plat_exceptions, ARRAY_SIZE(plat_exceptions),
- PLAT_PRI_BITS);
-
/*******************************************************************************
* Static variables
******************************************************************************/
diff --git a/plat/nvidia/tegra/common/tegra_sdei.c b/plat/nvidia/tegra/common/tegra_sdei.c
new file mode 100644
index 0000000..9241b81
--- /dev/null
+++ b/plat/nvidia/tegra/common/tegra_sdei.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/* SDEI configuration for Tegra platforms */
+
+#include <platform_def.h>
+
+#include <bl31/ehf.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <lib/utils_def.h>
+#include <services/sdei.h>
+
+/* Private event mappings */
+static sdei_ev_map_t tegra_sdei_private[] = {
+ /* Event 0 definition */
+ SDEI_DEFINE_EVENT_0(TEGRA_SDEI_SGI_PRIVATE),
+
+ /* Dynamic private events */
+ SDEI_PRIVATE_EVENT(TEGRA_SDEI_DP_EVENT_0, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC),
+ SDEI_PRIVATE_EVENT(TEGRA_SDEI_DP_EVENT_1, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC),
+ SDEI_PRIVATE_EVENT(TEGRA_SDEI_DP_EVENT_2, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC),
+
+ /* General purpose explicit events */
+ SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_0, SDEI_MAPF_CRITICAL),
+ SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_1, SDEI_MAPF_CRITICAL),
+ SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_2, SDEI_MAPF_CRITICAL),
+ SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_3, SDEI_MAPF_CRITICAL),
+ SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_4, SDEI_MAPF_CRITICAL),
+ SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_5, SDEI_MAPF_CRITICAL),
+ SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_6, SDEI_MAPF_CRITICAL),
+ SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_7, SDEI_MAPF_CRITICAL),
+ SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_8, SDEI_MAPF_CRITICAL),
+ SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_9, SDEI_MAPF_CRITICAL),
+ SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_10, SDEI_MAPF_CRITICAL),
+ SDEI_EXPLICIT_EVENT(TEGRA_SDEI_EP_EVENT_11, SDEI_MAPF_CRITICAL)
+};
+
+/* Shared event mappings */
+static sdei_ev_map_t tegra_sdei_shared[] = {
+ /* Dynamic shared events */
+ SDEI_SHARED_EVENT(TEGRA_SDEI_DS_EVENT_0, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC),
+ SDEI_SHARED_EVENT(TEGRA_SDEI_DS_EVENT_1, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC),
+ SDEI_SHARED_EVENT(TEGRA_SDEI_DS_EVENT_2, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC)
+};
+
+void plat_sdei_setup(void)
+{
+ INFO("SDEI platform setup\n");
+}
+
+/* Export Tegra SDEI events */
+REGISTER_SDEI_MAP(tegra_sdei_private, tegra_sdei_shared);