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-rw-r--r--plat/marvell/a8k/common/plat_pm_trace.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/plat/marvell/a8k/common/plat_pm_trace.c b/plat/marvell/a8k/common/plat_pm_trace.c
new file mode 100644
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--- /dev/null
+++ b/plat/marvell/a8k/common/plat_pm_trace.c
@@ -0,0 +1,117 @@
+/*
+ * ***************************************************************************
+ * Copyright (C) 2016 Marvell International Ltd.
+ * ***************************************************************************
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of Marvell nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ***************************************************************************
+ */
+
+#include <mmio.h>
+#include <platform.h>
+#include <plat_pm_trace.h>
+#include <mss_mem.h>
+
+#ifdef PM_TRACE_ENABLE
+
+/* core trace APIs */
+core_trace_func funcTbl[PLATFORM_CORE_COUNT] = {
+ pm_core_0_trace,
+ pm_core_1_trace,
+ pm_core_2_trace,
+ pm_core_3_trace};
+
+/*******************************************************************************
+ * pm_core0_trace
+ * pm_core1_trace
+ * pm_core2_trace
+ * pm_core_3trace
+ *
+ * This functions set trace info into core cyclic trace queue in MSS SRAM
+ * memory space
+ ******************************************************************************/
+void pm_core_0_trace(unsigned int trace)
+{
+ unsigned int current_position_core_0 =
+ mmio_read_32(AP_MSS_ATF_CORE_0_CTRL_BASE);
+ mmio_write_32((AP_MSS_ATF_CORE_0_INFO_BASE +
+ (current_position_core_0 * AP_MSS_ATF_CORE_ENTRY_SIZE)),
+ mmio_read_32(AP_MSS_TIMER_BASE));
+ mmio_write_32((AP_MSS_ATF_CORE_0_INFO_TRACE +
+ (current_position_core_0 * AP_MSS_ATF_CORE_ENTRY_SIZE)),
+ trace);
+ mmio_write_32(AP_MSS_ATF_CORE_0_CTRL_BASE,
+ ((current_position_core_0 + 1) &
+ AP_MSS_ATF_TRACE_SIZE_MASK));
+}
+
+void pm_core_1_trace(unsigned int trace)
+{
+ unsigned int current_position_core_1 =
+ mmio_read_32(AP_MSS_ATF_CORE_1_CTRL_BASE);
+ mmio_write_32((AP_MSS_ATF_CORE_1_INFO_BASE +
+ (current_position_core_1 * AP_MSS_ATF_CORE_ENTRY_SIZE)),
+ mmio_read_32(AP_MSS_TIMER_BASE));
+ mmio_write_32((AP_MSS_ATF_CORE_1_INFO_TRACE +
+ (current_position_core_1 * AP_MSS_ATF_CORE_ENTRY_SIZE)),
+ trace);
+ mmio_write_32(AP_MSS_ATF_CORE_1_CTRL_BASE,
+ ((current_position_core_1 + 1) &
+ AP_MSS_ATF_TRACE_SIZE_MASK));
+}
+
+void pm_core_2_trace(unsigned int trace)
+{
+ unsigned int current_position_core_2 =
+ mmio_read_32(AP_MSS_ATF_CORE_2_CTRL_BASE);
+ mmio_write_32((AP_MSS_ATF_CORE_2_INFO_BASE +
+ (current_position_core_2 * AP_MSS_ATF_CORE_ENTRY_SIZE)),
+ mmio_read_32(AP_MSS_TIMER_BASE));
+ mmio_write_32((AP_MSS_ATF_CORE_2_INFO_TRACE +
+ (current_position_core_2 * AP_MSS_ATF_CORE_ENTRY_SIZE)),
+ trace);
+ mmio_write_32(AP_MSS_ATF_CORE_2_CTRL_BASE,
+ ((current_position_core_2 + 1) &
+ AP_MSS_ATF_TRACE_SIZE_MASK));
+}
+
+void pm_core_3_trace(unsigned int trace)
+{
+ unsigned int current_position_core_3 =
+ mmio_read_32(AP_MSS_ATF_CORE_3_CTRL_BASE);
+ mmio_write_32((AP_MSS_ATF_CORE_3_INFO_BASE +
+ (current_position_core_3 * AP_MSS_ATF_CORE_ENTRY_SIZE)),
+ mmio_read_32(AP_MSS_TIMER_BASE));
+ mmio_write_32((AP_MSS_ATF_CORE_3_INFO_TRACE +
+ (current_position_core_3 * AP_MSS_ATF_CORE_ENTRY_SIZE)),
+ trace);
+ mmio_write_32(AP_MSS_ATF_CORE_3_CTRL_BASE,
+ ((current_position_core_3 + 1) &
+ AP_MSS_ATF_TRACE_SIZE_MASK));
+}
+#endif /* PM_TRACE_ENABLE */