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ppc/pnv: Add a OCC model for POWER10

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Our OCC model is very mininal and POWER10 can simply reuse the OCC
model we introduced for POWER9.

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Cédric Le Goater 2022-03-02 06:51:39 +01:00
parent da71b7e3ed
commit 8bf682a349
5 changed files with 32 additions and 0 deletions
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10
hw/ppc/pnv.c
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@ -1582,6 +1582,7 @@ static void pnv_chip_power10_instance_init(Object *obj)
"xive-fabric");
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);
}
static void pnv_chip_power10_realize(DeviceState *dev, Error **errp)
@ -1647,6 +1648,15 @@ static void pnv_chip_power10_realize(DeviceState *dev, Error **errp)
chip->fw_mr = &chip10->lpc.isa_fw;
chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0",
(uint64_t) PNV10_LPCM_BASE(chip));
/* Create the simplified OCC model */
object_property_set_link(OBJECT(&chip10->occ), "psi", OBJECT(&chip10->psi),
&error_abort);
if (!qdev_realize(DEVICE(&chip10->occ), NULL, errp)) {
return;
}
pnv_xscom_add_subregion(chip, PNV10_XSCOM_OCC_BASE,
&chip10->occ.xscom_regs);
}
static uint32_t pnv_chip_power10_xscom_pcba(PnvChip *chip, uint64_t addr)

16
hw/ppc/pnv_occ.c
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@ -236,7 +236,9 @@ static const MemoryRegionOps pnv_occ_power9_xscom_ops = {
static void pnv_occ_power9_class_init(ObjectClass *klass, void *data)
{
PnvOCCClass *poc = PNV_OCC_CLASS(klass);
DeviceClass *dc = DEVICE_CLASS(klass);
dc->desc = "PowerNV OCC Controller (POWER9)";
poc->xscom_size = PNV9_XSCOM_OCC_SIZE;
poc->xscom_ops = &pnv_occ_power9_xscom_ops;
poc->psi_irq = PSIHB9_IRQ_OCC;
@ -249,6 +251,19 @@ static const TypeInfo pnv_occ_power9_type_info = {
.class_init = pnv_occ_power9_class_init,
};
static void pnv_occ_power10_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->desc = "PowerNV OCC Controller (POWER10)";
}
static const TypeInfo pnv_occ_power10_type_info = {
.name = TYPE_PNV10_OCC,
.parent = TYPE_PNV9_OCC,
.class_init = pnv_occ_power10_class_init,
};
static void pnv_occ_realize(DeviceState *dev, Error **errp)
{
PnvOCC *occ = PNV_OCC(dev);
@ -297,6 +312,7 @@ static void pnv_occ_register_types(void)
type_register_static(&pnv_occ_type_info);
type_register_static(&pnv_occ_power8_type_info);
type_register_static(&pnv_occ_power9_type_info);
type_register_static(&pnv_occ_power10_type_info);
}
type_init(pnv_occ_register_types);

1
include/hw/ppc/pnv.h
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@ -128,6 +128,7 @@ struct Pnv10Chip {
PnvXive2 xive;
Pnv9Psi psi;
PnvLpcController lpc;
PnvOCC occ;
};
#define PNV10_PIR2FUSEDCORE(pir) (((pir) >> 3) & 0xf)

2
include/hw/ppc/pnv_occ.h
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@ -32,6 +32,8 @@ DECLARE_INSTANCE_CHECKER(PnvOCC, PNV8_OCC,
#define TYPE_PNV9_OCC TYPE_PNV_OCC "-POWER9"
DECLARE_INSTANCE_CHECKER(PnvOCC, PNV9_OCC,
TYPE_PNV9_OCC)
#define TYPE_PNV10_OCC TYPE_PNV_OCC "-POWER10"
DECLARE_INSTANCE_CHECKER(PnvOCC, PNV10_OCC, TYPE_PNV10_OCC)
#define PNV_OCC_SENSOR_DATA_BLOCK_OFFSET 0x00580000
#define PNV_OCC_SENSOR_DATA_BLOCK_SIZE 0x00025800

3
include/hw/ppc/pnv_xscom.h
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@ -131,6 +131,9 @@ struct PnvXScomInterfaceClass {
#define PNV10_XSCOM_PSIHB_BASE 0x3011D00
#define PNV10_XSCOM_PSIHB_SIZE 0x100
#define PNV10_XSCOM_OCC_BASE PNV9_XSCOM_OCC_BASE
#define PNV10_XSCOM_OCC_SIZE PNV9_XSCOM_OCC_SIZE
#define PNV10_XSCOM_XIVE2_BASE 0x2010800
#define PNV10_XSCOM_XIVE2_SIZE 0x400