1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/platform/x86/intel_pmc_ipc.c b/drivers/platform/x86/intel_pmc_ipc.c
index 6f497e80c9df..b86e1bcaa055 100644
--- a/drivers/platform/x86/intel_pmc_ipc.c
+++ b/drivers/platform/x86/intel_pmc_ipc.c
@@ -85,7 +85,7 @@
  * platform device and to export resources for those functions.
  */
 #define TCO_DEVICE_NAME                 "iTCO_wdt"
-#define SMI_EN_OFFSET                   0x30
+#define SMI_EN_OFFSET                   0x40
 #define SMI_EN_SIZE                     4
 #define TCO_BASE_OFFSET                 0x60
 #define TCO_REGS_SIZE                   16
@@ -94,6 +94,8 @@
 #define TELEM_SSRAM_SIZE                240
 #define TELEM_PMC_SSRAM_OFFSET          0x1B00
 #define TELEM_PUNIT_SSRAM_OFFSET        0x1A00
+#define TCO_PMC_OFFSET                  0x8
+#define TCO_PMC_SIZE                    0x4
 
 static const int iTCO_version = 3;
 
@@ -502,7 +504,7 @@ static struct resource tco_res[] = {
 
 static struct itco_wdt_platform_data tco_info = {
         .name = "Apollo Lake SoC",
-        .version = 3,
+        .version = 5,
 };
 
 #define TELEMETRY_RESOURCE_PUNIT_SSRAM  0
@@ -572,8 +574,8 @@ static int ipc_create_tco_device(void)
         res->end = res->start + SMI_EN_SIZE - 1;
 
         res = tco_res + TCO_RESOURCE_GCR_MEM;
-        res->start = ipcdev.gcr_base;
-        res->end = res->start + ipcdev.gcr_size - 1;
+        res->start = ipcdev.gcr_base + TCO_PMC_OFFSET;
+        res->end = res->start + TCO_PMC_SIZE - 1;
 
         ret = platform_device_add_resources(pdev, tco_res, ARRAY_SIZE(tco_res));
         if (ret) {