platform: msm_shared: Add support for boot timestamps
Boot timestamps are added at various points and made
available to kernel through shared memory.
Change-Id: I7a1e10fc056a056998be7d77c84e0a685b46b1b2
diff --git a/platform/msm_shared/boot_stats.c b/platform/msm_shared/boot_stats.c
new file mode 100644
index 0000000..551000e
--- /dev/null
+++ b/platform/msm_shared/boot_stats.c
@@ -0,0 +1,66 @@
+/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+
+ * 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 The Linux Foundation. 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 "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 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 <boot_stats.h>
+#include <debug.h>
+#include <reg.h>
+#include <platform/iomap.h>
+
+static uint32_t kernel_load_start;
+void bs_set_timestamp(enum bs_entry bs_id)
+{
+ addr_t bs_imem = get_bs_info_addr();
+ uint32_t clk_count = 0;
+
+ if(bs_imem) {
+ if (bs_id >= BS_MAX) {
+ dprintf(CRITICAL, "bad bs id: %u, max: %u\n", bs_id, BS_MAX);
+ ASSERT(0);
+ }
+
+ if (bs_id == BS_KERNEL_LOAD_START) {
+ kernel_load_start = platform_get_sclk_count();
+ return;
+ }
+
+ if(bs_id == BS_KERNEL_LOAD_DONE){
+ clk_count = platform_get_sclk_count();
+ if(clk_count){
+ writel(clk_count - kernel_load_start,
+ bs_imem + (sizeof(uint32_t) * BS_KERNEL_LOAD_TIME));
+ }
+ }
+ else{
+ clk_count = platform_get_sclk_count();
+ if(clk_count){
+ writel(clk_count,
+ bs_imem + (sizeof(uint32_t) * bs_id));
+ }
+ }
+ }
+}
diff --git a/include/boot_stats.h b/platform/msm_shared/include/boot_stats.h
similarity index 100%
rename from include/boot_stats.h
rename to platform/msm_shared/include/boot_stats.h
diff --git a/platform/msm_shared/rules.mk b/platform/msm_shared/rules.mk
index 5d343c5..537556d 100644
--- a/platform/msm_shared/rules.mk
+++ b/platform/msm_shared/rules.mk
@@ -13,7 +13,8 @@
$(LOCAL_DIR)/hsusb.o \
$(LOCAL_DIR)/jtag_hook.o \
$(LOCAL_DIR)/jtag.o \
- $(LOCAL_DIR)/partition_parser.o
+ $(LOCAL_DIR)/partition_parser.o \
+ $(LOCAL_DIR)/boot_stats.o
ifeq ($(ENABLE_SDHCI_SUPPORT),1)
OBJS += \