PHB4 and PHB5 are very similar. Use the PHB4 models with some minor
adjustements in a subclass for P10.
Signed-off-by: Cédric Le Goater <c...@kaod.org>
---
include/hw/pci-host/pnv_phb4.h | 11 ++++
include/hw/ppc/pnv.h | 3 ++
include/hw/ppc/pnv_xscom.h | 6 +++
hw/pci-host/pnv_phb4_pec.c | 44 ++++++++++++++++
hw/ppc/pnv.c | 94 ++++++++++++++++++++++++++++++++++
5 files changed, 158 insertions(+)
diff --git a/include/hw/pci-host/pnv_phb4.h b/include/hw/pci-host/pnv_phb4.h
index 27556ae53425..78ae74349299 100644
--- a/include/hw/pci-host/pnv_phb4.h
+++ b/include/hw/pci-host/pnv_phb4.h
@@ -221,4 +221,15 @@ struct PnvPhb4PecClass {
int stk_compat_size;
};
+/*
+ * POWER10 definitions
+ */
+
+#define PNV_PHB5_VERSION 0x000000a500000001ull
+#define PNV_PHB5_DEVICE_ID 0x0652
+
+#define TYPE_PNV_PHB5_PEC "pnv-phb5-pec"
+#define PNV_PHB5_PEC(obj) \
+ OBJECT_CHECK(PnvPhb4PecState, (obj), TYPE_PNV_PHB5_PEC)
+
#endif /* PCI_HOST_PNV_PHB4_H */
diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h
index 13495423283a..f44b9947d00e 100644
--- a/include/hw/ppc/pnv.h
+++ b/include/hw/ppc/pnv.h
@@ -131,6 +131,9 @@ struct Pnv10Chip {
uint32_t nr_quads;
PnvQuad *quads;
+
+#define PNV10_CHIP_MAX_PEC 2
+ PnvPhb4PecState pecs[PNV10_CHIP_MAX_PEC];
};
#define PNV10_PIR2FUSEDCORE(pir) (((pir) >> 3) & 0xf)
diff --git a/include/hw/ppc/pnv_xscom.h b/include/hw/ppc/pnv_xscom.h
index 151df15378d1..75db33d46af6 100644
--- a/include/hw/ppc/pnv_xscom.h
+++ b/include/hw/ppc/pnv_xscom.h
@@ -137,6 +137,12 @@ struct PnvXScomInterfaceClass {
#define PNV10_XSCOM_XIVE2_BASE 0x2010800
#define PNV10_XSCOM_XIVE2_SIZE 0x400
+#define PNV10_XSCOM_PEC_NEST_BASE 0x3011800 /* index goes downwards ... */
+#define PNV10_XSCOM_PEC_NEST_SIZE 0x100
+
+#define PNV10_XSCOM_PEC_PCI_BASE 0x8010800 /* index goes upwards ... */
+#define PNV10_XSCOM_PEC_PCI_SIZE 0x200
+
void pnv_xscom_realize(PnvChip *chip, uint64_t size, Error **errp);
int pnv_dt_xscom(PnvChip *chip, void *fdt, int root_offset,
uint64_t xscom_base, uint64_t xscom_size,
diff --git a/hw/pci-host/pnv_phb4_pec.c b/hw/pci-host/pnv_phb4_pec.c
index 741ddc90ed8d..ab13311ef4c7 100644
--- a/hw/pci-host/pnv_phb4_pec.c
+++ b/hw/pci-host/pnv_phb4_pec.c
@@ -584,9 +584,53 @@ static const TypeInfo pnv_pec_stk_type_info = {
}
};
+/*
+ * POWER10 definitions
+ */
+
+static uint32_t pnv_phb5_pec_xscom_pci_base(PnvPhb4PecState *pec)
+{
+ return PNV10_XSCOM_PEC_PCI_BASE + 0x1000000 * pec->index;
+}
+
+static uint32_t pnv_phb5_pec_xscom_nest_base(PnvPhb4PecState *pec)
+{
+ /* index goes down ... */
+ return PNV10_XSCOM_PEC_NEST_BASE - 0x1000000 * pec->index;
+}
+
+static void pnv_phb5_pec_class_init(ObjectClass *klass, void *data)
+{
+ PnvPhb4PecClass *pecc = PNV_PHB4_PEC_CLASS(klass);
+ static const char compat[] = "ibm,power10-pbcq";
+ static const char stk_compat[] = "ibm,power10-phb-stack";
+
+ pecc->xscom_nest_base = pnv_phb5_pec_xscom_nest_base;
+ pecc->xscom_pci_base = pnv_phb5_pec_xscom_pci_base;
+ pecc->xscom_nest_size = PNV10_XSCOM_PEC_NEST_SIZE;
+ pecc->xscom_pci_size = PNV10_XSCOM_PEC_PCI_SIZE;
+ pecc->compat = compat;
+ pecc->compat_size = sizeof(compat);
+ pecc->stk_compat = stk_compat;
+ pecc->stk_compat_size = sizeof(stk_compat);
+}
+
+static const TypeInfo pnv_phb5_pec_type_info = {
+ .name = TYPE_PNV_PHB5_PEC,
+ .parent = TYPE_PNV_PHB4_PEC,
+ .instance_size = sizeof(PnvPhb4PecState),
+ .class_init = pnv_phb5_pec_class_init,
+ .class_size = sizeof(PnvPhb4PecClass),
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_PNV_XSCOM_INTERFACE },
+ { }
+ }
+};
+
static void pnv_pec_register_types(void)
{
type_register_static(&pnv_pec_type_info);
+ type_register_static(&pnv_phb5_pec_type_info);
type_register_static(&pnv_pec_stk_type_info);
}
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index 5c342e313329..0de3027b7122 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -706,9 +706,17 @@ static void pnv_ipmi_bt_init(ISABus *bus, IPMIBmc *bmc,
uint32_t irq)
static void pnv_chip_power10_pic_print_info(PnvChip *chip, Monitor *mon)
{
Pnv10Chip *chip10 = PNV10_CHIP(chip);
+ int i, j;
pnv_xive2_pic_print_info(&chip10->xive, mon);
pnv_psi_pic_print_info(&chip10->psi, mon);
+
+ for (i = 0; i < PNV10_CHIP_MAX_PEC; i++) {
+ PnvPhb4PecState *pec = &chip10->pecs[i];
+ for (j = 0; j < pec->num_stacks; j++) {
+ pnv_phb4_pic_print_info(&pec->stacks[j].phb, mon);
+ }
+ }
}
/* Always give the first 1GB to chip 0 else we won't boot */
@@ -1602,7 +1610,10 @@ static void pnv_chip_power9_class_init(ObjectClass
*klass, void *data)
static void pnv_chip_power10_instance_init(Object *obj)
{
+ PnvChip *chip = PNV_CHIP(obj);
Pnv10Chip *chip10 = PNV10_CHIP(obj);
+ PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj);
+ int i;
object_initialize_child(obj, "xive", &chip10->xive, TYPE_PNV_XIVE2);
object_property_add_alias(obj, "xive-fabric", OBJECT(&chip10->xive),
@@ -1610,6 +1621,16 @@ static void pnv_chip_power10_instance_init(Object *obj)
object_initialize_child(obj, "psi", &chip10->psi, TYPE_PNV10_PSI);
object_initialize_child(obj, "lpc", &chip10->lpc, TYPE_PNV10_LPC);
object_initialize_child(obj, "occ", &chip10->occ, TYPE_PNV10_OCC);
+
+ for (i = 0; i < PNV10_CHIP_MAX_PEC; i++) {
+ object_initialize_child(obj, "pec[*]", &chip10->pecs[i],
+ TYPE_PNV_PHB5_PEC);
+ }
+
+ /*
+ * Number of PHBs is the chip default
+ */
+ chip->num_phbs = pcc->num_phbs;
}
static void pnv_chip_power10_quad_realize(Pnv10Chip *chip10, Error **errp)
@@ -1630,6 +1651,71 @@ static void pnv_chip_power10_quad_realize(Pnv10Chip
*chip10, Error **errp)
}
}
+static void pnv_chip_power10_phb_realize(PnvChip *chip, Error **errp)
+{
+ Pnv10Chip *chip10 = PNV10_CHIP(chip);
+ int i, j;
+ int phb_id = 0;
+
+ for (i = 0; i < PNV10_CHIP_MAX_PEC; i++) {
+ PnvPhb4PecState *pec = &chip10->pecs[i];
+ PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec);
+ uint32_t pec_nest_base;
+ uint32_t pec_pci_base;
+
+ object_property_set_int(OBJECT(pec), "index", i, &error_fatal);
+ /*
+ * PEC0 -> 3 stacks
+ * PEC1 -> 3 stacks
+ */
+ object_property_set_int(OBJECT(pec), "num-stacks", 3,
+ &error_fatal);
+ object_property_set_int(OBJECT(pec), "chip-id", chip->chip_id,
+ &error_fatal);
+ object_property_set_link(OBJECT(pec), "system-memory",
+ OBJECT(get_system_memory()), &error_abort);
+ if (!qdev_realize(DEVICE(pec), NULL, errp)) {
+ return;
+ }
+
+ pec_nest_base = pecc->xscom_nest_base(pec);
+ pec_pci_base = pecc->xscom_pci_base(pec);
+
+ pnv_xscom_add_subregion(chip, pec_nest_base, &pec->nest_regs_mr);
+ pnv_xscom_add_subregion(chip, pec_pci_base, &pec->pci_regs_mr);
+
+ for (j = 0; j < pec->num_stacks && phb_id < chip->num_phbs;
+ j++, phb_id++) {
+ PnvPhb4PecStack *stack = &pec->stacks[j];
+ Object *obj = OBJECT(&stack->phb);
+
+ object_property_set_int(obj, "index", phb_id, &error_fatal);
+ object_property_set_int(obj, "chip-id", chip->chip_id,
+ &error_fatal);
+ object_property_set_int(obj, "version", PNV_PHB5_VERSION,
+ &error_fatal);
+ object_property_set_int(obj, "device-id", PNV_PHB5_DEVICE_ID,
+ &error_fatal);
+ object_property_set_link(obj, "stack", OBJECT(stack),
&error_abort);
+ if (!sysbus_realize(SYS_BUS_DEVICE(obj), errp)) {
+ return;
+ }
+
+ /* Populate the XSCOM address space. */
+ pnv_xscom_add_subregion(chip,
+ pec_nest_base + 0x40 * (stack->stack_no +
1),
+ &stack->nest_regs_mr);
+ pnv_xscom_add_subregion(chip,
+ pec_pci_base + 0x40 * (stack->stack_no +
1),
+ &stack->pci_regs_mr);
+ pnv_xscom_add_subregion(chip,
+ pec_pci_base + PNV9_XSCOM_PEC_PCI_STK0 +
+ 0x40 * stack->stack_no,
+ &stack->phb_regs_mr);
+ }
+ }
+}
+
static void pnv_chip_power10_realize(DeviceState *dev, Error **errp)
{
PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev);
@@ -1708,6 +1794,13 @@ static void pnv_chip_power10_realize(DeviceState *dev,
Error **errp)
}
pnv_xscom_add_subregion(chip, PNV10_XSCOM_OCC_BASE,
&chip10->occ.xscom_regs);
+
+ /* PHBs */
+ pnv_chip_power10_phb_realize(chip, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
}
static uint32_t pnv_chip_power10_xscom_pcba(PnvChip *chip, uint64_t addr)
@@ -1734,6 +1827,7 @@ static void pnv_chip_power10_class_init(ObjectClass
*klass, void *data)
k->xscom_core_base = pnv_chip_power10_xscom_core_base;
k->xscom_pcba = pnv_chip_power10_xscom_pcba;
dc->desc = "PowerNV Chip POWER10";
+ k->num_phbs = 6;
device_class_set_parent_realize(dc, pnv_chip_power10_realize,
&k->parent_realize);
--
2.31.1
