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path: root/drivers/platform/x86/intel/pmt/telemetry.c
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Diffstat (limited to 'drivers/platform/x86/intel/pmt/telemetry.c')
-rw-r--r--drivers/platform/x86/intel/pmt/telemetry.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/platform/x86/intel/pmt/telemetry.c b/drivers/platform/x86/intel/pmt/telemetry.c
index f73ecfd4a309..5e4009c05ecf 100644
--- a/drivers/platform/x86/intel/pmt/telemetry.c
+++ b/drivers/platform/x86/intel/pmt/telemetry.c
@@ -23,12 +23,19 @@
#define TELEM_GUID_OFFSET 0x4
#define TELEM_BASE_OFFSET 0x8
#define TELEM_ACCESS(v) ((v) & GENMASK(3, 0))
+#define TELEM_TYPE(v) (((v) & GENMASK(7, 4)) >> 4)
/* size is in bytes */
#define TELEM_SIZE(v) (((v) & GENMASK(27, 12)) >> 10)
/* Used by client hardware to identify a fixed telemetry entry*/
#define TELEM_CLIENT_FIXED_BLOCK_GUID 0x10000000
+enum telem_type {
+ TELEM_TYPE_PUNIT = 0,
+ TELEM_TYPE_CRASHLOG,
+ TELEM_TYPE_PUNIT_FIXED,
+};
+
struct pmt_telem_priv {
int num_entries;
struct intel_pmt_entry entry[];
@@ -39,10 +46,15 @@ static bool pmt_telem_region_overlaps(struct intel_pmt_entry *entry,
{
u32 guid = readl(entry->disc_table + TELEM_GUID_OFFSET);
- if (guid != TELEM_CLIENT_FIXED_BLOCK_GUID)
- return false;
+ if (intel_pmt_is_early_client_hw(dev)) {
+ u32 type = TELEM_TYPE(readl(entry->disc_table));
+
+ if ((type == TELEM_TYPE_PUNIT_FIXED) ||
+ (guid == TELEM_CLIENT_FIXED_BLOCK_GUID))
+ return true;
+ }
- return intel_pmt_is_early_client_hw(dev);
+ return false;
}
static int pmt_telem_header_decode(struct intel_pmt_entry *entry,