diff options
| -rw-r--r-- | hw/ppc/pnv.c | 13 | ||||
| -rw-r--r-- | hw/ppc/pnv_occ.c | 72 | ||||
| -rw-r--r-- | include/hw/ppc/pnv.h | 1 | ||||
| -rw-r--r-- | include/hw/ppc/pnv_occ.h | 2 | ||||
| -rw-r--r-- | include/hw/ppc/pnv_xscom.h | 3 |
5 files changed, 91 insertions, 0 deletions
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 6ae9ce6795..1559a73323 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -956,6 +956,11 @@ static void pnv_chip_power9_instance_init(Object *obj) TYPE_PNV9_LPC, &error_abort, NULL); object_property_add_const_link(OBJECT(&chip9->lpc), "psi", OBJECT(&chip9->psi), &error_abort); + + object_initialize_child(obj, "occ", &chip9->occ, sizeof(chip9->occ), + TYPE_PNV9_OCC, &error_abort, NULL); + object_property_add_const_link(OBJECT(&chip9->occ), "psi", + OBJECT(&chip9->psi), &error_abort); } static void pnv_chip_power9_realize(DeviceState *dev, Error **errp) @@ -1012,6 +1017,14 @@ static void pnv_chip_power9_realize(DeviceState *dev, Error **errp) chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0", (uint64_t) PNV9_LPCM_BASE(chip)); + + /* Create the simplified OCC model */ + object_property_set_bool(OBJECT(&chip9->occ), true, "realized", &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + pnv_xscom_add_subregion(chip, PNV9_XSCOM_OCC_BASE, &chip9->occ.xscom_regs); } static void pnv_chip_power9_class_init(ObjectClass *klass, void *data) diff --git a/hw/ppc/pnv_occ.c b/hw/ppc/pnv_occ.c index ea725647c9..fdd9296e1b 100644 --- a/hw/ppc/pnv_occ.c +++ b/hw/ppc/pnv_occ.c @@ -109,6 +109,77 @@ static const TypeInfo pnv_occ_power8_type_info = { .class_init = pnv_occ_power8_class_init, }; +#define P9_OCB_OCI_OCCMISC 0x6080 +#define P9_OCB_OCI_OCCMISC_CLEAR 0x6081 +#define P9_OCB_OCI_OCCMISC_OR 0x6082 + + +static uint64_t pnv_occ_power9_xscom_read(void *opaque, hwaddr addr, + unsigned size) +{ + PnvOCC *occ = PNV_OCC(opaque); + uint32_t offset = addr >> 3; + uint64_t val = 0; + + switch (offset) { + case P9_OCB_OCI_OCCMISC: + val = occ->occmisc; + break; + default: + qemu_log_mask(LOG_UNIMP, "OCC Unimplemented register: Ox%" + HWADDR_PRIx "\n", addr >> 3); + } + return val; +} + +static void pnv_occ_power9_xscom_write(void *opaque, hwaddr addr, + uint64_t val, unsigned size) +{ + PnvOCC *occ = PNV_OCC(opaque); + uint32_t offset = addr >> 3; + + switch (offset) { + case P9_OCB_OCI_OCCMISC_CLEAR: + pnv_occ_set_misc(occ, 0); + break; + case P9_OCB_OCI_OCCMISC_OR: + pnv_occ_set_misc(occ, occ->occmisc | val); + break; + case P9_OCB_OCI_OCCMISC: + pnv_occ_set_misc(occ, val); + break; + default: + qemu_log_mask(LOG_UNIMP, "OCC Unimplemented register: Ox%" + HWADDR_PRIx "\n", addr >> 3); + } +} + +static const MemoryRegionOps pnv_occ_power9_xscom_ops = { + .read = pnv_occ_power9_xscom_read, + .write = pnv_occ_power9_xscom_write, + .valid.min_access_size = 8, + .valid.max_access_size = 8, + .impl.min_access_size = 8, + .impl.max_access_size = 8, + .endianness = DEVICE_BIG_ENDIAN, +}; + +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->xscom_ops = &pnv_occ_power9_xscom_ops; + poc->psi_irq = PSIHB9_IRQ_OCC; +} + +static const TypeInfo pnv_occ_power9_type_info = { + .name = TYPE_PNV9_OCC, + .parent = TYPE_PNV_OCC, + .instance_size = sizeof(PnvOCC), + .class_init = pnv_occ_power9_class_init, +}; + static void pnv_occ_realize(DeviceState *dev, Error **errp) { PnvOCC *occ = PNV_OCC(dev); @@ -152,6 +223,7 @@ 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_init(pnv_occ_register_types); diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h index 1cd1ad622d..39888f9d52 100644 --- a/include/hw/ppc/pnv.h +++ b/include/hw/ppc/pnv.h @@ -88,6 +88,7 @@ typedef struct Pnv9Chip { PnvXive xive; Pnv9Psi psi; PnvLpcController lpc; + PnvOCC occ; } Pnv9Chip; typedef struct PnvChipClass { diff --git a/include/hw/ppc/pnv_occ.h b/include/hw/ppc/pnv_occ.h index dab5a05f8e..d22b65a71a 100644 --- a/include/hw/ppc/pnv_occ.h +++ b/include/hw/ppc/pnv_occ.h @@ -25,6 +25,8 @@ #define PNV_OCC(obj) OBJECT_CHECK(PnvOCC, (obj), TYPE_PNV_OCC) #define TYPE_PNV8_OCC TYPE_PNV_OCC "-POWER8" #define PNV8_OCC(obj) OBJECT_CHECK(PnvOCC, (obj), TYPE_PNV8_OCC) +#define TYPE_PNV9_OCC TYPE_PNV_OCC "-POWER9" +#define PNV9_OCC(obj) OBJECT_CHECK(PnvOCC, (obj), TYPE_PNV9_OCC) typedef struct PnvOCC { DeviceState xd; diff --git a/include/hw/ppc/pnv_xscom.h b/include/hw/ppc/pnv_xscom.h index 403a365ed2..3292459fbb 100644 --- a/include/hw/ppc/pnv_xscom.h +++ b/include/hw/ppc/pnv_xscom.h @@ -73,6 +73,9 @@ typedef struct PnvXScomInterfaceClass { #define PNV_XSCOM_OCC_BASE 0x0066000 #define PNV_XSCOM_OCC_SIZE 0x6000 +#define PNV9_XSCOM_OCC_BASE PNV_XSCOM_OCC_BASE +#define PNV9_XSCOM_OCC_SIZE 0x8000 + #define PNV9_XSCOM_PSIHB_BASE 0x5012900 #define PNV9_XSCOM_PSIHB_SIZE 0x100 |