diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index 63f2232f32fd..3612a2de2549 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -490,6 +490,33 @@ static void pnv_chip_power10_dt_populate(PnvChip *chip, void *fdt)
     pnv_dt_lpc(chip, fdt, 0, PNV10_LPCM_BASE(chip), PNV10_LPCM_SIZE);
 }
 
+static void pnv_chip_power11_dt_populate(PnvChip *chip, void *fdt)
+{
+    static const char compat[] = "ibm,power11-xscom\0ibm,xscom";
+    int i;
+
+    pnv_dt_xscom(chip, fdt, 0,
+                 cpu_to_be64(PNV11_XSCOM_BASE(chip)),
+                 cpu_to_be64(PNV11_XSCOM_SIZE),
+                 compat, sizeof(compat));
+
+    for (i = 0; i < chip->nr_cores; i++) {
+        PnvCore *pnv_core = chip->cores[i];
+        int offset;
+
+        offset = pnv_dt_core(chip, pnv_core, fdt);
+
+        _FDT((fdt_setprop(fdt, offset, "ibm,pa-features",
+                           pa_features_31, sizeof(pa_features_31))));
+    }
+
+    if (chip->ram_size) {
+        pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size);
+    }
+
+    pnv_dt_lpc(chip, fdt, 0, PNV11_LPCM_BASE(chip), PNV11_LPCM_SIZE);
+}
+
 static void pnv_dt_rtc(ISADevice *d, void *fdt, int lpc_off)
 {
     uint32_t io_base = d->ioport_id;
@@ -822,6 +849,26 @@ static ISABus *pnv_chip_power10_isa_create(PnvChip *chip, Error **errp)
     return pnv_lpc_isa_create(&chip10->lpc, false, errp);
 }
 
+static ISABus *pnv_chip_power11_isa_create(PnvChip *chip, Error **errp)
+{
+    Pnv11Chip *chip11 = PNV11_CHIP(chip);
+    qemu_irq irq;
+
+    irq = qdev_get_gpio_in(DEVICE(&chip11->psi), PSIHB9_IRQ_LPCHC);
+    qdev_connect_gpio_out_named(DEVICE(&chip11->lpc), "LPCHC", 0, irq);
+
+    irq = qdev_get_gpio_in(DEVICE(&chip11->psi), PSIHB9_IRQ_LPC_SIRQ0);
+    qdev_connect_gpio_out_named(DEVICE(&chip11->lpc), "SERIRQ", 0, irq);
+    irq = qdev_get_gpio_in(DEVICE(&chip11->psi), PSIHB9_IRQ_LPC_SIRQ1);
+    qdev_connect_gpio_out_named(DEVICE(&chip11->lpc), "SERIRQ", 1, irq);
+    irq = qdev_get_gpio_in(DEVICE(&chip11->psi), PSIHB9_IRQ_LPC_SIRQ2);
+    qdev_connect_gpio_out_named(DEVICE(&chip11->lpc), "SERIRQ", 2, irq);
+    irq = qdev_get_gpio_in(DEVICE(&chip11->psi), PSIHB9_IRQ_LPC_SIRQ3);
+    qdev_connect_gpio_out_named(DEVICE(&chip11->lpc), "SERIRQ", 3, irq);
+
+    return pnv_lpc_isa_create(&chip11->lpc, false, errp);
+}
+
 static ISABus *pnv_isa_create(PnvChip *chip, Error **errp)
 {
     return PNV_CHIP_GET_CLASS(chip)->isa_create(chip, errp);
@@ -885,6 +932,12 @@ static uint64_t pnv_chip_power10_xscom_core_base(PnvChip *chip,
     return PNV10_XSCOM_EC_BASE(core_id);
 }
 
+static uint64_t pnv_chip_power11_xscom_core_base(PnvChip *chip,
+                                                 uint32_t core_id)
+{
+    return PNV11_XSCOM_EC_BASE(core_id);
+}
+
 static bool pnv_match_cpu(const char *default_type, const char *cpu_type)
 {
     PowerPCCPUClass *ppc_default =
@@ -914,6 +967,13 @@ static void pnv_chip_power10_pic_print_info(PnvChip *chip, GString *buf)
                          pnv_chip_power9_pic_print_info_child, buf);
 }
 
+static void pnv_chip_power11_pic_print_info(PnvChip *chip, GString *buf)
+{
+    Pnv11Chip *chip11 = PNV11_CHIP(chip);
+
+    pnv_psi_pic_print_info(&chip11->psi, buf);
+}
+
 /* Always give the first 1GB to chip 0 else we won't boot */
 static uint64_t pnv_chip_get_ram_size(PnvMachineState *pnv, int chip_id)
 {
@@ -1451,6 +1511,8 @@ static void pnv_chip_power10_intc_print_info(PnvChip *chip, PowerPCCPU *cpu,
 
 #define POWER10_CORE_MASK  (0xffffffffffffffull)
 
+#define POWER11_CORE_MASK  (0xffffffffffffffull)
+
 static void pnv_chip_power8_instance_init(Object *obj)
 {
     Pnv8Chip *chip8 = PNV8_CHIP(obj);
@@ -2264,6 +2326,208 @@ static void pnv_chip_power10_realize(DeviceState *dev, Error **errp)
     }
 }
 
+static void pnv_chip_power11_instance_init(Object *obj)
+{
+    Pnv11Chip *chip11 = PNV11_CHIP(obj);
+    PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj);
+    int i;
+
+    object_initialize_child(obj, "adu",  &chip11->adu, TYPE_PNV_ADU);
+
+    /*
+     * Use Power10 device models for PSI/LPC/OCC/SBE/HOMER as corresponding
+     * device models for Power11 are same
+     */
+    object_initialize_child(obj, "psi", &chip11->psi, TYPE_PNV10_PSI);
+    object_initialize_child(obj, "lpc", &chip11->lpc, TYPE_PNV10_LPC);
+    object_initialize_child(obj, "occ",  &chip11->occ, TYPE_PNV10_OCC);
+    object_initialize_child(obj, "sbe",  &chip11->sbe, TYPE_PNV10_SBE);
+    object_initialize_child(obj, "homer", &chip11->homer, TYPE_PNV10_HOMER);
+    object_initialize_child(obj, "n1-chiplet", &chip11->n1_chiplet,
+                            TYPE_PNV_N1_CHIPLET);
+
+    for (i = 0; i < pcc->i2c_num_engines; i++) {
+        object_initialize_child(obj, "i2c[*]", &chip11->i2c[i], TYPE_PNV_I2C);
+    }
+
+    for (i = 0; i < PNV10_CHIP_MAX_PIB_SPIC; i++) {
+        object_initialize_child(obj, "pib_spic[*]", &chip11->pib_spic[i],
+                                TYPE_PNV_SPI);
+    }
+}
+
+static void pnv_chip_power11_quad_realize(Pnv11Chip *chip11, Error **errp)
+{
+    PnvChip *chip = PNV_CHIP(chip11);
+    int i;
+
+    chip11->nr_quads = DIV_ROUND_UP(chip->nr_cores, 4);
+    chip11->quads = g_new0(PnvQuad, chip11->nr_quads);
+
+    for (i = 0; i < chip11->nr_quads; i++) {
+        PnvQuad *eq = &chip11->quads[i];
+
+        pnv_chip_quad_realize_one(chip, eq, chip->cores[i * 4],
+                                  PNV_QUAD_TYPE_NAME("power11"));
+
+        pnv_xscom_add_subregion(chip, PNV11_XSCOM_EQ_BASE(eq->quad_id),
+                                &eq->xscom_regs);
+
+        pnv_xscom_add_subregion(chip, PNV11_XSCOM_QME_BASE(eq->quad_id),
+                                &eq->xscom_qme_regs);
+    }
+}
+
+static void pnv_chip_power11_realize(DeviceState *dev, Error **errp)
+{
+    PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev);
+    PnvChip *chip = PNV_CHIP(dev);
+    Pnv11Chip *chip11 = PNV11_CHIP(dev);
+    Error *local_err = NULL;
+    int i;
+
+    /* XSCOM bridge is first */
+    pnv_xscom_init(chip, PNV11_XSCOM_SIZE, PNV11_XSCOM_BASE(chip));
+
+    pcc->parent_realize(dev, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
+        return;
+    }
+
+    /* ADU */
+    object_property_set_link(OBJECT(&chip11->adu), "lpc", OBJECT(&chip11->lpc),
+                             &error_abort);
+    if (!qdev_realize(DEVICE(&chip11->adu), NULL, errp)) {
+        return;
+    }
+    pnv_xscom_add_subregion(chip, PNV11_XSCOM_ADU_BASE,
+                            &chip11->adu.xscom_regs);
+
+    pnv_chip_power11_quad_realize(chip11, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
+        return;
+    }
+
+    /* WIP: XIVE added in future patch */
+
+    /* Processor Service Interface (PSI) Host Bridge */
+    object_property_set_int(OBJECT(&chip11->psi), "bar",
+                            PNV11_PSIHB_BASE(chip), &error_fatal);
+    if (!qdev_realize(DEVICE(&chip11->psi), NULL, errp)) {
+        return;
+    }
+    pnv_xscom_add_subregion(chip, PNV11_XSCOM_PSIHB_BASE,
+                            &PNV_PSI(&chip11->psi)->xscom_regs);
+
+    /* LPC */
+    if (!qdev_realize(DEVICE(&chip11->lpc), NULL, errp)) {
+        return;
+    }
+    memory_region_add_subregion(get_system_memory(), PNV11_LPCM_BASE(chip),
+                                &chip11->lpc.xscom_regs);
+
+    chip->fw_mr = &chip11->lpc.isa_fw;
+    chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0",
+                                            (uint64_t) PNV11_LPCM_BASE(chip));
+
+    /* HOMER (must be created before OCC) */
+    object_property_set_link(OBJECT(&chip11->homer), "chip", OBJECT(chip),
+                             &error_abort);
+    if (!qdev_realize(DEVICE(&chip11->homer), NULL, errp)) {
+        return;
+    }
+    /* Homer Xscom region */
+    pnv_xscom_add_subregion(chip, PNV11_XSCOM_PBA_BASE,
+                            &chip11->homer.pba_regs);
+    /* Homer RAM region */
+    memory_region_add_subregion(get_system_memory(), chip11->homer.base,
+                                &chip11->homer.mem);
+
+    /* Create the simplified OCC model */
+    object_property_set_link(OBJECT(&chip11->occ), "homer",
+                             OBJECT(&chip11->homer), &error_abort);
+    if (!qdev_realize(DEVICE(&chip11->occ), NULL, errp)) {
+        return;
+    }
+    pnv_xscom_add_subregion(chip, PNV11_XSCOM_OCC_BASE,
+                            &chip11->occ.xscom_regs);
+    qdev_connect_gpio_out(DEVICE(&chip11->occ), 0, qdev_get_gpio_in(
+                              DEVICE(&chip11->psi), PSIHB9_IRQ_OCC));
+
+    /* OCC SRAM model */
+    memory_region_add_subregion(get_system_memory(),
+                                PNV11_OCC_SENSOR_BASE(chip),
+                                &chip11->occ.sram_regs);
+
+    /* SBE */
+    if (!qdev_realize(DEVICE(&chip11->sbe), NULL, errp)) {
+        return;
+    }
+    pnv_xscom_add_subregion(chip, PNV11_XSCOM_SBE_CTRL_BASE,
+                            &chip11->sbe.xscom_ctrl_regs);
+    pnv_xscom_add_subregion(chip, PNV11_XSCOM_SBE_MBOX_BASE,
+                            &chip11->sbe.xscom_mbox_regs);
+    qdev_connect_gpio_out(DEVICE(&chip11->sbe), 0, qdev_get_gpio_in(
+                              DEVICE(&chip11->psi), PSIHB9_IRQ_PSU));
+
+    /* N1 chiplet */
+    if (!qdev_realize(DEVICE(&chip11->n1_chiplet), NULL, errp)) {
+        return;
+    }
+    pnv_xscom_add_subregion(chip, PNV11_XSCOM_N1_CHIPLET_CTRL_REGS_BASE,
+             &chip11->n1_chiplet.nest_pervasive.xscom_ctrl_regs_mr);
+
+    pnv_xscom_add_subregion(chip, PNV11_XSCOM_N1_PB_SCOM_EQ_BASE,
+                           &chip11->n1_chiplet.xscom_pb_eq_mr);
+
+    pnv_xscom_add_subregion(chip, PNV11_XSCOM_N1_PB_SCOM_ES_BASE,
+                           &chip11->n1_chiplet.xscom_pb_es_mr);
+
+    /* WIP: PHB added in future patch */
+
+    /*
+     * I2C
+     */
+    for (i = 0; i < pcc->i2c_num_engines; i++) {
+        Object *obj =  OBJECT(&chip11->i2c[i]);
+
+        object_property_set_int(obj, "engine", i + 1, &error_fatal);
+        object_property_set_int(obj, "num-busses",
+                                pcc->i2c_ports_per_engine[i],
+                                &error_fatal);
+        object_property_set_link(obj, "chip", OBJECT(chip), &error_abort);
+        if (!qdev_realize(DEVICE(obj), NULL, errp)) {
+            return;
+        }
+        pnv_xscom_add_subregion(chip, PNV11_XSCOM_I2CM_BASE +
+                                (chip11->i2c[i].engine - 1) *
+                                        PNV11_XSCOM_I2CM_SIZE,
+                                &chip11->i2c[i].xscom_regs);
+        qdev_connect_gpio_out(DEVICE(&chip11->i2c[i]), 0,
+                              qdev_get_gpio_in(DEVICE(&chip11->psi),
+                                               PSIHB9_IRQ_SBE_I2C));
+    }
+    /* PIB SPI Controller */
+    for (i = 0; i < PNV10_CHIP_MAX_PIB_SPIC; i++) {
+        object_property_set_int(OBJECT(&chip11->pib_spic[i]), "spic_num",
+                                i, &error_fatal);
+        /* pib_spic[2] connected to 25csm04 which implements 1 byte transfer */
+        object_property_set_int(OBJECT(&chip11->pib_spic[i]), "transfer_len",
+                                (i == 2) ? 1 : 4, &error_fatal);
+        object_property_set_int(OBJECT(&chip11->pib_spic[i]), "chip-id",
+                                chip->chip_id, &error_fatal);
+        if (!sysbus_realize(SYS_BUS_DEVICE(OBJECT
+                                        (&chip11->pib_spic[i])), errp)) {
+            return;
+        }
+        pnv_xscom_add_subregion(chip, PNV11_XSCOM_PIB_SPIC_BASE +
+                                i * PNV11_XSCOM_PIB_SPIC_SIZE,
+                                &chip11->pib_spic[i].xscom_spic_regs);
+    }
+}
+
 static void pnv_rainier_i2c_init(PnvMachineState *pnv)
 {
     int i;
@@ -2302,6 +2566,12 @@ static uint32_t pnv_chip_power10_xscom_pcba(PnvChip *chip, uint64_t addr)
     return addr >> 3;
 }
 
+static uint32_t pnv_chip_power11_xscom_pcba(PnvChip *chip, uint64_t addr)
+{
+    addr &= (PNV11_XSCOM_SIZE - 1);
+    return addr >> 3;
+}
+
 static void pnv_chip_power10_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
@@ -2329,6 +2599,29 @@ static void pnv_chip_power10_class_init(ObjectClass *klass, void *data)
                                     &k->parent_realize);
 }
 
+static void pnv_chip_power11_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    PnvChipClass *k = PNV_CHIP_CLASS(klass);
+
+    static const int i2c_ports_per_engine[PNV10_CHIP_MAX_I2C] = {14, 14, 2, 16};
+
+    k->chip_cfam_id = 0x220da04980000000ull; /* P11 DD2.0 (with NX) */
+    k->cores_mask = POWER11_CORE_MASK;
+    k->get_pir_tir = pnv_get_pir_tir_p10;
+    k->isa_create = pnv_chip_power11_isa_create;
+    k->dt_populate = pnv_chip_power11_dt_populate;
+    k->pic_print_info = pnv_chip_power11_pic_print_info;
+    k->xscom_core_base = pnv_chip_power11_xscom_core_base;
+    k->xscom_pcba = pnv_chip_power11_xscom_pcba;
+    dc->desc = "PowerNV Chip Power11";
+    k->i2c_num_engines = PNV10_CHIP_MAX_I2C;
+    k->i2c_ports_per_engine = i2c_ports_per_engine;
+
+    device_class_set_parent_realize(dc, pnv_chip_power11_realize,
+                                    &k->parent_realize);
+}
+
 static void pnv_chip_core_sanitize(PnvMachineState *pnv, PnvChip *chip,
                                    Error **errp)
 {
@@ -2962,6 +3255,13 @@ static void pnv_machine_class_init(ObjectClass *oc, void *data)
         .parent        = TYPE_PNV10_CHIP,          \
     }
 
+#define DEFINE_PNV11_CHIP_TYPE(type, class_initfn) \
+    {                                              \
+        .name          = type,                     \
+        .class_init    = class_initfn,             \
+        .parent        = TYPE_PNV11_CHIP,          \
+    }
+
 static const TypeInfo types[] = {
     {
         .name          = MACHINE_TYPE_NAME("powernv10-rainier"),
@@ -3017,6 +3317,17 @@ static const TypeInfo types[] = {
         .abstract      = true,
     },
 
+    /*
+     * P11 chip and variants
+     */
+    {
+        .name          = TYPE_PNV11_CHIP,
+        .parent        = TYPE_PNV_CHIP,
+        .instance_init = pnv_chip_power11_instance_init,
+        .instance_size = sizeof(Pnv11Chip),
+    },
+    DEFINE_PNV11_CHIP_TYPE(TYPE_PNV_CHIP_POWER11, pnv_chip_power11_class_init),
+
     /*
      * P10 chip and variants
      */
diff --git a/hw/ppc/pnv_core.c b/hw/ppc/pnv_core.c
index a33977da1882..ea58d49bdd93 100644
--- a/hw/ppc/pnv_core.c
+++ b/hw/ppc/pnv_core.c
@@ -473,6 +473,11 @@ static void pnv_core_power10_class_init(ObjectClass *oc, void *data)
     pcc->xscom_size = PNV10_XSCOM_EC_SIZE;
 }
 
+static void pnv_core_power11_class_init(ObjectClass *oc, void *data)
+{
+    pnv_core_power10_class_init(oc, data);
+}
+
 static void pnv_core_class_init(ObjectClass *oc, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(oc);
@@ -504,6 +509,7 @@ static const TypeInfo pnv_core_infos[] = {
     DEFINE_PNV_CORE_TYPE(power8, "power8nvl_v1.0"),
     DEFINE_PNV_CORE_TYPE(power9, "power9_v2.2"),
     DEFINE_PNV_CORE_TYPE(power10, "power10_v2.0"),
+    DEFINE_PNV_CORE_TYPE(power11, "power11_v2.0"),
 };
 
 DEFINE_TYPES(pnv_core_infos)
@@ -725,6 +731,12 @@ static void pnv_quad_power10_class_init(ObjectClass *oc, void *data)
     pqc->xscom_qme_size = PNV10_XSCOM_QME_SIZE;
 }
 
+static void pnv_quad_power11_class_init(ObjectClass *oc, void *data)
+{
+    /* Power11 quad is similar to Power10 quad */
+    pnv_quad_power10_class_init(oc, data);
+}
+
 static void pnv_quad_class_init(ObjectClass *oc, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(oc);
@@ -752,6 +764,11 @@ static const TypeInfo pnv_quad_infos[] = {
         .name = PNV_QUAD_TYPE_NAME("power10"),
         .class_init = pnv_quad_power10_class_init,
     },
+    {
+        .parent = TYPE_PNV_QUAD,
+        .name = PNV_QUAD_TYPE_NAME("power11"),
+        .class_init = pnv_quad_power11_class_init,
+    },
 };
 
 DEFINE_TYPES(pnv_quad_infos);
diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h
index d8fca079f2fe..f0002627bcab 100644
--- a/include/hw/ppc/pnv.h
+++ b/include/hw/ppc/pnv.h
@@ -33,6 +33,7 @@ typedef struct PnvChip PnvChip;
 typedef struct Pnv8Chip Pnv8Chip;
 typedef struct Pnv9Chip Pnv9Chip;
 typedef struct Pnv10Chip Pnv10Chip;
+typedef struct Pnv10Chip Pnv11Chip;
 
 #define PNV_CHIP_TYPE_SUFFIX "-" TYPE_PNV_CHIP
 #define PNV_CHIP_TYPE_NAME(cpu_model) cpu_model PNV_CHIP_TYPE_SUFFIX
@@ -57,6 +58,10 @@ DECLARE_INSTANCE_CHECKER(PnvChip, PNV_CHIP_POWER9,
 DECLARE_INSTANCE_CHECKER(PnvChip, PNV_CHIP_POWER10,
                          TYPE_PNV_CHIP_POWER10)
 
+#define TYPE_PNV_CHIP_POWER11 PNV_CHIP_TYPE_NAME("power11_v2.0")
+DECLARE_INSTANCE_CHECKER(PnvChip, PNV_CHIP_POWER11,
+                         TYPE_PNV_CHIP_POWER11)
+
 PnvCore *pnv_chip_find_core(PnvChip *chip, uint32_t core_id);
 PowerPCCPU *pnv_chip_find_cpu(PnvChip *chip, uint32_t pir);
 
@@ -252,4 +257,19 @@ void pnv_bmc_set_pnor(IPMIBmc *bmc, PnvPnor *pnor);
 #define PNV10_HOMER_BASE(chip)                                           \
     (0x300ffd800000ll + ((uint64_t)(chip)->chip_id) * PNV_HOMER_SIZE)
 
+/* Power11 */
+#define PNV11_XSCOM_SIZE            PNV10_XSCOM_SIZE
+#define PNV11_XSCOM_BASE(chip)      PNV10_XSCOM_BASE(chip)
+
+#define PNV11_LPCM_SIZE             PNV10_LPCM_SIZE
+#define PNV11_LPCM_BASE(chip)       PNV10_LPCM_BASE(chip)
+
+#define PNV11_PSIHB_ESB_SIZE        PNV10_PSIHB_ESB_SIZE
+#define PNV11_PSIHB_ESB_BASE(chip)  PNV10_PSIHB_ESB_BASE(chip)
+
+#define PNV11_PSIHB_SIZE            PNV10_PSIHB_SIZE
+#define PNV11_PSIHB_BASE(chip)      PNV10_PSIHB_BASE(chip)
+
+#define PNV11_OCC_SENSOR_BASE(chip) PNV10_OCC_SENSOR_BASE(chip)
+
 #endif /* PPC_PNV_H */
diff --git a/include/hw/ppc/pnv_chip.h b/include/hw/ppc/pnv_chip.h
index 24ce37a9c8e4..6bd930f8b439 100644
--- a/include/hw/ppc/pnv_chip.h
+++ b/include/hw/ppc/pnv_chip.h
@@ -141,6 +141,13 @@ struct Pnv10Chip {
 #define PNV10_PIR2CHIP(pir)      (((pir) >> 8) & 0x7f)
 #define PNV10_PIR2THREAD(pir)    (((pir) & 0x7f))
 
+#define TYPE_PNV11_CHIP "pnv11-chip"
+DECLARE_INSTANCE_CHECKER(Pnv11Chip, PNV11_CHIP,
+                         TYPE_PNV11_CHIP)
+
+/* Power11 core is same as Power10 */
+typedef struct Pnv10Chip Pnv11Chip;
+
 struct PnvChipClass {
     /*< private >*/
     SysBusDeviceClass parent_class;
diff --git a/include/hw/ppc/pnv_xscom.h b/include/hw/ppc/pnv_xscom.h
index a927aea1c09c..09e70ed23211 100644
--- a/include/hw/ppc/pnv_xscom.h
+++ b/include/hw/ppc/pnv_xscom.h
@@ -207,6 +207,55 @@ struct PnvXScomInterfaceClass {
 #define PNV10_XSCOM_PIB_SPIC_BASE 0xc0000
 #define PNV10_XSCOM_PIB_SPIC_SIZE 0x20
 
+/*
+ * Power11 core is same as Power10
+ */
+#define PNV11_XSCOM_EC_BASE(core)  PNV10_XSCOM_EC_BASE(core)
+
+#define PNV11_XSCOM_ADU_BASE       PNV10_XSCOM_ADU_BASE
+#define PNV11_XSCOM_ADU_SIZE       PNV10_XSCOM_ADU_SIZE
+
+#define PNV11_XSCOM_QME_BASE(core) PNV10_XSCOM_QME_BASE(core)
+
+#define PNV11_XSCOM_EQ_BASE(core)  PNV10_XSCOM_EQ_BASE(core)
+
+#define PNV11_XSCOM_PSIHB_BASE     PNV10_XSCOM_PSIHB_BASE
+#define PNV11_XSCOM_PSIHB_SIZE     PNV10_XSCOM_PSIHB_SIZE
+
+#define PNV11_XSCOM_I2CM_BASE      PNV10_XSCOM_I2CM_BASE
+#define PNV11_XSCOM_I2CM_SIZE      PNV10_XSCOM_I2CM_SIZE
+
+#define PNV11_XSCOM_CHIPTOD_BASE   PNV10_XSCOM_CHIPTOD_BASE
+#define PNV11_XSCOM_CHIPTOD_SIZE   PNV10_XSCOM_CHIPTOD_SIZE
+
+#define PNV11_XSCOM_OCC_BASE       PNV10_XSCOM_OCC_BASE
+#define PNV11_XSCOM_OCC_SIZE       PNV10_XSCOM_OCC_SIZE
+
+#define PNV11_XSCOM_SBE_CTRL_BASE  PNV10_XSCOM_SBE_CTRL_BASE
+#define PNV11_XSCOM_SBE_CTRL_SIZE  PNV10_XSCOM_SBE_CTRL_SIZE
+
+#define PNV11_XSCOM_SBE_MBOX_BASE  PNV10_XSCOM_SBE_MBOX_BASE
+#define PNV11_XSCOM_SBE_MBOX_SIZE  PNV10_XSCOM_SBE_MBOX_SIZE
+
+#define PNV11_XSCOM_PBA_BASE       PNV10_XSCOM_PBA_BASE
+#define PNV11_XSCOM_PBA_SIZE       PNV10_XSCOM_PBA_SIZE
+
+#define PNV11_XSCOM_XIVE2_BASE     PNV10_XSCOM_XIVE2_BASE
+#define PNV11_XSCOM_XIVE2_SIZE     PNV10_XSCOM_XIVE2_SIZE
+
+#define PNV11_XSCOM_N1_CHIPLET_CTRL_REGS_BASE  \
+    PNV10_XSCOM_N1_CHIPLET_CTRL_REGS_BASE
+#define PNV11_XSCOM_CHIPLET_CTRL_REGS_SIZE   PNV10_XSCOM_CHIPLET_CTRL_REGS_SIZE
+
+#define PNV11_XSCOM_N1_PB_SCOM_EQ_BASE  PNV10_XSCOM_N1_PB_SCOM_EQ_BASE
+#define PNV11_XSCOM_N1_PB_SCOM_EQ_SIZE  PNV10_XSCOM_N1_PB_SCOM_EQ_SIZE
+
+#define PNV11_XSCOM_N1_PB_SCOM_ES_BASE  PNV10_XSCOM_N1_PB_SCOM_ES_BASE
+#define PNV11_XSCOM_N1_PB_SCOM_ES_SIZE  PNV10_XSCOM_N1_PB_SCOM_ES_SIZE
+
+#define PNV11_XSCOM_PIB_SPIC_BASE  PNV10_XSCOM_PIB_SPIC_BASE
+#define PNV11_XSCOM_PIB_SPIC_SIZE  PNV10_XSCOM_PIB_SPIC_SIZE
+
 void pnv_xscom_init(PnvChip *chip, uint64_t size, hwaddr addr);
 int pnv_dt_xscom(PnvChip *chip, void *fdt, int root_offset,
                  uint64_t xscom_base, uint64_t xscom_size,
