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-rw-r--r--include/hw/ppc/pnv.h1
-rw-r--r--include/hw/ppc/pnv_xscom.h13
2 files changed, 11 insertions, 3 deletions
diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h
index f023f1ec99..90759240a7 100644
--- a/include/hw/ppc/pnv.h
+++ b/include/hw/ppc/pnv.h
@@ -74,7 +74,6 @@ typedef struct PnvChipClass {
     uint64_t     cores_mask;
 
     hwaddr       xscom_base;
-    hwaddr       xscom_core_base;
 
     uint32_t (*core_pir)(PnvChip *chip, uint32_t core_id);
 } PnvChipClass;
diff --git a/include/hw/ppc/pnv_xscom.h b/include/hw/ppc/pnv_xscom.h
index 7252e219e2..fb1bd5df09 100644
--- a/include/hw/ppc/pnv_xscom.h
+++ b/include/hw/ppc/pnv_xscom.h
@@ -21,6 +21,8 @@
 
 #include "qom/object.h"
 
+typedef struct PnvChip PnvChip;
+
 typedef struct PnvXScomInterface {
     Object parent;
 } PnvXScomInterface;
@@ -54,8 +56,15 @@ typedef struct PnvXScomInterfaceClass {
  *   PCB SLAVE   0x110Fxxxx
  */
 
-#define PNV_XSCOM_EX_CORE_BASE(base, i) ((base) | ((uint64_t)(i) << 24))
-#define PNV_XSCOM_EX_CORE_SIZE    0x100000
+#define PNV_XSCOM_EX_CORE_BASE    0x10000000ull
+
+#define PNV_XSCOM_EX_BASE(core) \
+    (PNV_XSCOM_EX_CORE_BASE | ((uint64_t)(core) << 24))
+#define PNV_XSCOM_EX_SIZE         0x100000
+
+#define PNV_XSCOM_P9_EC_BASE(core) \
+    ((uint64_t)(((core) & 0x1F) + 0x20) << 24)
+#define PNV_XSCOM_P9_EC_SIZE      0x100000
 
 #define PNV_XSCOM_LPC_BASE        0xb0020
 #define PNV_XSCOM_LPC_SIZE        0x4