msm: Add cache dumping device for 8064
Add cache dumping support for 8064. This will dump the
L1 and L2 caches on panic and the L2 caches on an unexpected
reset.
Change-Id: I7b481cb549f930b6246ea81a26c6c985ec429eb3
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-8064.c b/arch/arm/mach-msm/board-8064.c
index a8e17fd..835b8b9 100644
--- a/arch/arm/mach-msm/board-8064.c
+++ b/arch/arm/mach-msm/board-8064.c
@@ -562,6 +562,17 @@
apq8064_mdp_writeback(apq8064_reserve_table);
}
+static void __init reserve_cache_dump_memory(void)
+{
+#ifdef CONFIG_MSM_CACHE_DUMP
+ unsigned int total;
+
+ total = apq8064_cache_dump_pdata.l1_size +
+ apq8064_cache_dump_pdata.l2_size;
+ apq8064_reserve_table[MEMTYPE_EBI1].size += total;
+#endif
+}
+
static void __init apq8064_calculate_reserve_sizes(void)
{
size_pmem_devices();
@@ -569,6 +580,7 @@
reserve_ion_memory();
reserve_mdp_memory();
reserve_rtb_memory();
+ reserve_cache_dump_memory();
}
static struct reserve_info apq8064_reserve_info __initdata = {
@@ -2197,6 +2209,7 @@
&msm8960_gemini_device,
&apq8064_iommu_domain_device,
&msm_tsens_device,
+ &apq8064_cache_dump_device,
};
static struct platform_device *sim_devices[] __initdata = {
diff --git a/arch/arm/mach-msm/board-8064.h b/arch/arm/mach-msm/board-8064.h
index 67e0e6f..c992865 100644
--- a/arch/arm/mach-msm/board-8064.h
+++ b/arch/arm/mach-msm/board-8064.h
@@ -20,6 +20,7 @@
#include <mach/irqs.h>
#include <mach/rpm-regulator.h>
#include <mach/msm_rtb.h>
+#include <mach/msm_cache_dump.h>
/* Macros assume PMIC GPIOs and MPPs start at 1 */
#define PM8921_GPIO_BASE NR_GPIO_IRQS
@@ -143,4 +144,5 @@
};
extern struct msm_rtb_platform_data apq8064_rtb_pdata;
+extern struct msm_cache_dump_platform_data apq8064_cache_dump_pdata;
#endif
diff --git a/arch/arm/mach-msm/devices-8064.c b/arch/arm/mach-msm/devices-8064.c
index 8f65d60..ef9b62a 100644
--- a/arch/arm/mach-msm/devices-8064.c
+++ b/arch/arm/mach-msm/devices-8064.c
@@ -42,6 +42,7 @@
#include "rpm_log.h"
#include <mach/mpm.h>
#include <mach/iommu_domains.h>
+#include <mach/msm_cache_dump.h>
/* Address of GSBI blocks */
#define MSM_GSBI1_PHYS 0x12440000
@@ -2588,3 +2589,23 @@
.platform_data = &apq8064_rtb_pdata,
},
};
+
+#define APQ8064_L1_SIZE SZ_1M
+/*
+ * The actual L2 size is smaller but we need a larger buffer
+ * size to store other dump information
+ */
+#define APQ8064_L2_SIZE SZ_8M
+
+struct msm_cache_dump_platform_data apq8064_cache_dump_pdata = {
+ .l2_size = APQ8064_L2_SIZE,
+ .l1_size = APQ8064_L1_SIZE,
+};
+
+struct platform_device apq8064_cache_dump_device = {
+ .name = "msm_cache_dump",
+ .id = -1,
+ .dev = {
+ .platform_data = &apq8064_cache_dump_pdata,
+ },
+};
diff --git a/arch/arm/mach-msm/devices.h b/arch/arm/mach-msm/devices.h
index 5734804..08211a2 100644
--- a/arch/arm/mach-msm/devices.h
+++ b/arch/arm/mach-msm/devices.h
@@ -396,6 +396,7 @@
extern struct platform_device apq8064_rtb_device;
extern struct platform_device msm8960_cache_dump_device;
+extern struct platform_device apq8064_cache_dump_device;
extern struct platform_device copper_device_tz_log;