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-rw-r--r--hw/ppc/pnv.c4
-rw-r--r--hw/ppc/pnv_occ.c11
2 files changed, 6 insertions, 9 deletions
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index af7317a86d..0be0b6b411 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -1065,7 +1065,7 @@ static void pnv_chip_power8_realize(DeviceState *dev, Error **errp)
     pnv_xscom_add_subregion(chip, PNV_XSCOM_OCC_BASE, &chip8->occ.xscom_regs);
 
     /* OCC SRAM model */
-    memory_region_add_subregion(get_system_memory(), PNV_OCC_COMMON_AREA_BASE,
+    memory_region_add_subregion(get_system_memory(), PNV_OCC_SENSOR_BASE(chip),
                                 &chip8->occ.sram_regs);
 
     /* HOMER */
@@ -1278,7 +1278,7 @@ static void pnv_chip_power9_realize(DeviceState *dev, Error **errp)
     pnv_xscom_add_subregion(chip, PNV9_XSCOM_OCC_BASE, &chip9->occ.xscom_regs);
 
     /* OCC SRAM model */
-    memory_region_add_subregion(get_system_memory(), PNV9_OCC_COMMON_AREA_BASE,
+    memory_region_add_subregion(get_system_memory(), PNV9_OCC_SENSOR_BASE(chip),
                                 &chip9->occ.sram_regs);
 
     /* HOMER */
diff --git a/hw/ppc/pnv_occ.c b/hw/ppc/pnv_occ.c
index 765c0a6ce5..924fdabc9e 100644
--- a/hw/ppc/pnv_occ.c
+++ b/hw/ppc/pnv_occ.c
@@ -167,9 +167,7 @@ static void pnv_occ_power8_class_init(ObjectClass *klass, void *data)
     PnvOCCClass *poc = PNV_OCC_CLASS(klass);
 
     poc->xscom_size = PNV_XSCOM_OCC_SIZE;
-    poc->sram_size = PNV_OCC_COMMON_AREA_SIZE;
     poc->xscom_ops = &pnv_occ_power8_xscom_ops;
-    poc->sram_ops = &pnv_occ_sram_ops;
     poc->psi_irq = PSIHB_IRQ_OCC;
 }
 
@@ -240,9 +238,7 @@ static void pnv_occ_power9_class_init(ObjectClass *klass, void *data)
     PnvOCCClass *poc = PNV_OCC_CLASS(klass);
 
     poc->xscom_size = PNV9_XSCOM_OCC_SIZE;
-    poc->sram_size = PNV9_OCC_COMMON_AREA_SIZE;
     poc->xscom_ops = &pnv_occ_power9_xscom_ops;
-    poc->sram_ops = &pnv_occ_sram_ops;
     poc->psi_irq = PSIHB9_IRQ_OCC;
 }
 
@@ -266,9 +262,10 @@ static void pnv_occ_realize(DeviceState *dev, Error **errp)
     pnv_xscom_region_init(&occ->xscom_regs, OBJECT(dev), poc->xscom_ops,
                           occ, "xscom-occ", poc->xscom_size);
 
-    /* XScom region for OCC SRAM registers */
-    pnv_xscom_region_init(&occ->sram_regs, OBJECT(dev), poc->sram_ops,
-                          occ, "occ-common-area", poc->sram_size);
+    /* OCC common area mmio region for OCC SRAM registers */
+    memory_region_init_io(&occ->sram_regs, OBJECT(dev), &pnv_occ_sram_ops,
+                          occ, "occ-common-area",
+                          PNV_OCC_SENSOR_DATA_BLOCK_SIZE);
 }
 
 static Property pnv_occ_properties[] = {