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-8064.c b/arch/arm/mach-msm/devices-8064.c
index 81ba068..767137e 100644
--- a/arch/arm/mach-msm/devices-8064.c
+++ b/arch/arm/mach-msm/devices-8064.c
@@ -101,6 +101,7 @@
/* Address of PCIE20 */
#define PCIE20_PHYS 0x1b500000
#define PCIE20_SIZE SZ_4K
+#define MSM8064_RPM_MASTER_STATS_BASE 0x10BB00
static struct msm_watchdog_pdata msm_watchdog_pdata = {
.pet_time = 10000,
@@ -2291,6 +2292,37 @@
},
};
+static struct resource resources_rpm_master_stats[] = {
+ {
+ .start = MSM8064_RPM_MASTER_STATS_BASE,
+ .end = MSM8064_RPM_MASTER_STATS_BASE + SZ_256,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static char *master_names[] = {
+ "KPSS",
+ "MPSS",
+ "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 apq8064_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,
+ },
+};
+
static struct msm_rpm_log_platform_data msm_rpm_log_pdata = {
.phys_addr_base = 0x0010C000,
.reg_offsets = {