msm: rpm_stats: Add support to read master PC stats from RPM MSG RAM.
RPM maintains PC stats for each master in MSG RAM and it allocates
256 bytes for this use. No of masters differs for different targets.
Initialize the resources for rpm_master_stat platform device.
Signed-off-by: Anji Jonnala <anjir@codeaurora.org>
Change-Id: I0a44b083fd01a852ba214ecf1d2e6d953c154ed5
Signed-off-by: Neha Pandey <nehap@codeaurora.org>
diff --git a/arch/arm/mach-msm/devices-8960.c b/arch/arm/mach-msm/devices-8960.c
index 7f4d1e3..652c8e8 100644
--- a/arch/arm/mach-msm/devices-8960.c
+++ b/arch/arm/mach-msm/devices-8960.c
@@ -101,6 +101,7 @@
#define MSM8960_HSUSB_PHYS 0x12500000
#define MSM8960_HSUSB_SIZE SZ_4K
+#define MSM8960_RPM_MASTER_STATS_BASE 0x10BB00
static struct resource resources_otg[] = {
{
@@ -3712,6 +3713,37 @@
},
};
+static struct resource resources_rpm_master_stats[] = {
+ {
+ .start = MSM8960_RPM_MASTER_STATS_BASE,
+ .end = MSM8960_RPM_MASTER_STATS_BASE + SZ_256,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static char *master_names[] = {
+ "KPSS",
+ "GPSS",
+ "LPASS",
+ "RIVA",
+ "DSPS",
+};
+
+static struct msm_rpm_master_stats_platform_data msm_rpm_master_stat_pdata = {
+ .masters = master_names,
+ .nomasters = ARRAY_SIZE(master_names),
+};
+
+struct platform_device msm8960_rpm_master_stat_device = {
+ .name = "msm_rpm_master_stat",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(resources_rpm_master_stats),
+ .resource = resources_rpm_master_stats,
+ .dev = {
+ .platform_data = &msm_rpm_master_stat_pdata,
+ },
+};
+
struct platform_device msm_bus_sys_fabric = {
.name = "msm_bus_fabric",
.id = MSM_BUS_FAB_SYSTEM,