diff options
Diffstat (limited to 'hw/ppc/pnv.c')
-rw-r--r-- | hw/ppc/pnv.c | 383 |
1 files changed, 238 insertions, 145 deletions
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 0d2b79f798..7401ffe5b0 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -265,18 +265,6 @@ static void pnv_dt_icp(PnvChip *chip, void *fdt, uint32_t pir, g_free(reg); } -static int pnv_chip_lpc_offset(PnvChip *chip, void *fdt) -{ - char *name; - int offset; - - name = g_strdup_printf("/xscom@%" PRIx64 "/isa@%x", - (uint64_t) PNV_XSCOM_BASE(chip), PNV_XSCOM_LPC_BASE); - offset = fdt_path_offset(fdt, name); - g_free(name); - return offset; -} - static void pnv_dt_chip(PnvChip *chip, void *fdt) { const char *typename = pnv_chip_core_typename(chip); @@ -285,16 +273,6 @@ static void pnv_dt_chip(PnvChip *chip, void *fdt) pnv_dt_xscom(chip, fdt, 0); - /* The default LPC bus of a multichip system is on chip 0. It's - * recognized by the firmware (skiboot) using a "primary" - * property. - */ - if (chip->chip_id == 0x0) { - int lpc_offset = pnv_chip_lpc_offset(chip, fdt); - - _FDT((fdt_setprop(fdt, lpc_offset, "primary", NULL, 0))); - } - for (i = 0; i < chip->nr_cores; i++) { PnvCore *pnv_core = PNV_CORE(chip->cores + i * typesize); @@ -418,16 +396,35 @@ static int pnv_dt_isa_device(DeviceState *dev, void *opaque) return 0; } -static void pnv_dt_isa(ISABus *bus, void *fdt, int lpc_offset) +static int pnv_chip_isa_offset(PnvChip *chip, void *fdt) { + char *name; + int offset; + + name = g_strdup_printf("/xscom@%" PRIx64 "/isa@%x", + (uint64_t) PNV_XSCOM_BASE(chip), PNV_XSCOM_LPC_BASE); + offset = fdt_path_offset(fdt, name); + g_free(name); + return offset; +} + +/* The default LPC bus of a multichip system is on chip 0. It's + * recognized by the firmware (skiboot) using a "primary" property. + */ +static void pnv_dt_isa(PnvMachineState *pnv, void *fdt) +{ + int isa_offset = pnv_chip_isa_offset(pnv->chips[0], fdt); ForeachPopulateArgs args = { .fdt = fdt, - .offset = lpc_offset, + .offset = isa_offset, }; + _FDT((fdt_setprop(fdt, isa_offset, "primary", NULL, 0))); + /* ISA devices are not necessarily parented to the ISA bus so we * can not use object_child_foreach() */ - qbus_walk_children(BUS(bus), pnv_dt_isa_device, NULL, NULL, NULL, &args); + qbus_walk_children(BUS(pnv->isa_bus), pnv_dt_isa_device, NULL, NULL, NULL, + &args); } static void *pnv_dt_create(MachineState *machine) @@ -438,7 +435,6 @@ static void *pnv_dt_create(MachineState *machine) char *buf; int off; int i; - int lpc_offset; fdt = g_malloc0(FDT_MAX_SIZE); _FDT((fdt_create_empty_tree(fdt, FDT_MAX_SIZE))); @@ -480,8 +476,7 @@ static void *pnv_dt_create(MachineState *machine) } /* Populate ISA devices on chip 0 */ - lpc_offset = pnv_chip_lpc_offset(pnv->chips[0], fdt); - pnv_dt_isa(pnv->isa_bus, fdt, lpc_offset); + pnv_dt_isa(pnv, fdt); if (pnv->bmc) { pnv_dt_bmc_sensors(pnv->bmc, fdt); @@ -529,24 +524,26 @@ static void pnv_reset(void) cpu_physical_memory_write(PNV_FDT_ADDR, fdt, fdt_totalsize(fdt)); } -static ISABus *pnv_isa_create(PnvChip *chip) +static ISABus *pnv_chip_power8_isa_create(PnvChip *chip, Error **errp) { - PnvLpcController *lpc = &chip->lpc; - ISABus *isa_bus; - qemu_irq *irqs; - PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); + Pnv8Chip *chip8 = PNV8_CHIP(chip); + return pnv_lpc_isa_create(&chip8->lpc, true, errp); +} - /* let isa_bus_new() create its own bridge on SysBus otherwise - * devices speficied on the command line won't find the bus and - * will fail to create. - */ - isa_bus = isa_bus_new(NULL, &lpc->isa_mem, &lpc->isa_io, - &error_fatal); +static ISABus *pnv_chip_power8nvl_isa_create(PnvChip *chip, Error **errp) +{ + Pnv8Chip *chip8 = PNV8_CHIP(chip); + return pnv_lpc_isa_create(&chip8->lpc, false, errp); +} - irqs = pnv_lpc_isa_irq_create(lpc, pcc->chip_type, ISA_NUM_IRQS); +static ISABus *pnv_chip_power9_isa_create(PnvChip *chip, Error **errp) +{ + return NULL; +} - isa_bus_irqs(isa_bus, irqs); - return isa_bus; +static ISABus *pnv_isa_create(PnvChip *chip, Error **errp) +{ + return PNV_CHIP_GET_CLASS(chip)->isa_create(chip, errp); } static void pnv_init(MachineState *machine) @@ -646,7 +643,7 @@ static void pnv_init(MachineState *machine) g_free(chip_typename); /* Instantiate ISA bus on chip 0 */ - pnv->isa_bus = pnv_isa_create(pnv->chips[0]); + pnv->isa_bus = pnv_isa_create(pnv->chips[0], &error_fatal); /* Create serial port */ serial_hds_isa_init(pnv->isa_bus, 0, MAX_ISA_SERIAL_PORTS); @@ -671,6 +668,13 @@ static uint32_t pnv_chip_core_pir_p8(PnvChip *chip, uint32_t core_id) return (chip->chip_id << 7) | (core_id << 3); } +static Object *pnv_chip_power8_intc_create(PnvChip *chip, Object *child, + Error **errp) +{ + return icp_create(child, TYPE_PNV_ICP, XICS_FABRIC(qdev_get_machine()), + errp); +} + /* * 0:48 Reserved - Read as zeroes * 49:52 Node ID @@ -686,6 +690,12 @@ static uint32_t pnv_chip_core_pir_p9(PnvChip *chip, uint32_t core_id) return (chip->chip_id << 8) | (core_id << 2); } +static Object *pnv_chip_power9_intc_create(PnvChip *chip, Object *child, + Error **errp) +{ + return NULL; +} + /* Allowed core identifiers on a POWER8 Processor Chip : * * <EX0 reserved> @@ -712,6 +722,103 @@ static uint32_t pnv_chip_core_pir_p9(PnvChip *chip, uint32_t core_id) */ #define POWER9_CORE_MASK (0xffffffffffffffull) +static void pnv_chip_power8_instance_init(Object *obj) +{ + Pnv8Chip *chip8 = PNV8_CHIP(obj); + + object_initialize(&chip8->psi, sizeof(chip8->psi), TYPE_PNV_PSI); + object_property_add_child(obj, "psi", OBJECT(&chip8->psi), NULL); + object_property_add_const_link(OBJECT(&chip8->psi), "xics", + OBJECT(qdev_get_machine()), &error_abort); + + object_initialize(&chip8->lpc, sizeof(chip8->lpc), TYPE_PNV_LPC); + object_property_add_child(obj, "lpc", OBJECT(&chip8->lpc), NULL); + object_property_add_const_link(OBJECT(&chip8->lpc), "psi", + OBJECT(&chip8->psi), &error_abort); + + object_initialize(&chip8->occ, sizeof(chip8->occ), TYPE_PNV_OCC); + object_property_add_child(obj, "occ", OBJECT(&chip8->occ), NULL); + object_property_add_const_link(OBJECT(&chip8->occ), "psi", + OBJECT(&chip8->psi), &error_abort); +} + +static void pnv_chip_icp_realize(Pnv8Chip *chip8, Error **errp) + { + PnvChip *chip = PNV_CHIP(chip8); + PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); + const char *typename = pnv_chip_core_typename(chip); + size_t typesize = object_type_get_instance_size(typename); + int i, j; + char *name; + XICSFabric *xi = XICS_FABRIC(qdev_get_machine()); + + name = g_strdup_printf("icp-%x", chip->chip_id); + memory_region_init(&chip8->icp_mmio, OBJECT(chip), name, PNV_ICP_SIZE); + sysbus_init_mmio(SYS_BUS_DEVICE(chip), &chip8->icp_mmio); + g_free(name); + + sysbus_mmio_map(SYS_BUS_DEVICE(chip), 1, PNV_ICP_BASE(chip)); + + /* Map the ICP registers for each thread */ + for (i = 0; i < chip->nr_cores; i++) { + PnvCore *pnv_core = PNV_CORE(chip->cores + i * typesize); + int core_hwid = CPU_CORE(pnv_core)->core_id; + + for (j = 0; j < CPU_CORE(pnv_core)->nr_threads; j++) { + uint32_t pir = pcc->core_pir(chip, core_hwid) + j; + PnvICPState *icp = PNV_ICP(xics_icp_get(xi, pir)); + + memory_region_add_subregion(&chip8->icp_mmio, pir << 12, + &icp->mmio); + } + } +} + +static void pnv_chip_power8_realize(DeviceState *dev, Error **errp) +{ + PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); + PnvChip *chip = PNV_CHIP(dev); + Pnv8Chip *chip8 = PNV8_CHIP(dev); + Error *local_err = NULL; + + pcc->parent_realize(dev, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + /* Processor Service Interface (PSI) Host Bridge */ + object_property_set_int(OBJECT(&chip8->psi), PNV_PSIHB_BASE(chip), + "bar", &error_fatal); + object_property_set_bool(OBJECT(&chip8->psi), true, "realized", &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + pnv_xscom_add_subregion(chip, PNV_XSCOM_PSIHB_BASE, &chip8->psi.xscom_regs); + + /* Create LPC controller */ + object_property_set_bool(OBJECT(&chip8->lpc), true, "realized", + &error_fatal); + pnv_xscom_add_subregion(chip, PNV_XSCOM_LPC_BASE, &chip8->lpc.xscom_regs); + + /* Interrupt Management Area. This is the memory region holding + * all the Interrupt Control Presenter (ICP) registers */ + pnv_chip_icp_realize(chip8, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + /* Create the simplified OCC model */ + object_property_set_bool(OBJECT(&chip8->occ), true, "realized", &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + pnv_xscom_add_subregion(chip, PNV_XSCOM_OCC_BASE, &chip8->occ.xscom_regs); +} + static void pnv_chip_power8e_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -721,8 +828,13 @@ static void pnv_chip_power8e_class_init(ObjectClass *klass, void *data) k->chip_cfam_id = 0x221ef04980000000ull; /* P8 Murano DD2.1 */ k->cores_mask = POWER8E_CORE_MASK; k->core_pir = pnv_chip_core_pir_p8; + k->intc_create = pnv_chip_power8_intc_create; + k->isa_create = pnv_chip_power8_isa_create; k->xscom_base = 0x003fc0000000000ull; dc->desc = "PowerNV Chip POWER8E"; + + device_class_set_parent_realize(dc, pnv_chip_power8_realize, + &k->parent_realize); } static void pnv_chip_power8_class_init(ObjectClass *klass, void *data) @@ -734,8 +846,13 @@ static void pnv_chip_power8_class_init(ObjectClass *klass, void *data) k->chip_cfam_id = 0x220ea04980000000ull; /* P8 Venice DD2.0 */ k->cores_mask = POWER8_CORE_MASK; k->core_pir = pnv_chip_core_pir_p8; + k->intc_create = pnv_chip_power8_intc_create; + k->isa_create = pnv_chip_power8_isa_create; k->xscom_base = 0x003fc0000000000ull; dc->desc = "PowerNV Chip POWER8"; + + device_class_set_parent_realize(dc, pnv_chip_power8_realize, + &k->parent_realize); } static void pnv_chip_power8nvl_class_init(ObjectClass *klass, void *data) @@ -747,8 +864,29 @@ static void pnv_chip_power8nvl_class_init(ObjectClass *klass, void *data) k->chip_cfam_id = 0x120d304980000000ull; /* P8 Naples DD1.0 */ k->cores_mask = POWER8_CORE_MASK; k->core_pir = pnv_chip_core_pir_p8; + k->intc_create = pnv_chip_power8_intc_create; + k->isa_create = pnv_chip_power8nvl_isa_create; k->xscom_base = 0x003fc0000000000ull; dc->desc = "PowerNV Chip POWER8NVL"; + + device_class_set_parent_realize(dc, pnv_chip_power8_realize, + &k->parent_realize); +} + +static void pnv_chip_power9_instance_init(Object *obj) +{ +} + +static void pnv_chip_power9_realize(DeviceState *dev, Error **errp) +{ + PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); + Error *local_err = NULL; + + pcc->parent_realize(dev, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } } static void pnv_chip_power9_class_init(ObjectClass *klass, void *data) @@ -760,8 +898,13 @@ static void pnv_chip_power9_class_init(ObjectClass *klass, void *data) k->chip_cfam_id = 0x220d104900008000ull; /* P9 Nimbus DD2.0 */ k->cores_mask = POWER9_CORE_MASK; k->core_pir = pnv_chip_core_pir_p9; + k->intc_create = pnv_chip_power9_intc_create; + k->isa_create = pnv_chip_power9_isa_create; k->xscom_base = 0x00603fc00000000ull; dc->desc = "PowerNV Chip POWER9"; + + device_class_set_parent_realize(dc, pnv_chip_power9_realize, + &k->parent_realize); } static void pnv_chip_core_sanitize(PnvChip *chip, Error **errp) @@ -794,59 +937,9 @@ static void pnv_chip_core_sanitize(PnvChip *chip, Error **errp) } } -static void pnv_chip_init(Object *obj) +static void pnv_chip_instance_init(Object *obj) { - PnvChip *chip = PNV_CHIP(obj); - PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); - - chip->xscom_base = pcc->xscom_base; - - object_initialize(&chip->lpc, sizeof(chip->lpc), TYPE_PNV_LPC); - object_property_add_child(obj, "lpc", OBJECT(&chip->lpc), NULL); - - object_initialize(&chip->psi, sizeof(chip->psi), TYPE_PNV_PSI); - object_property_add_child(obj, "psi", OBJECT(&chip->psi), NULL); - object_property_add_const_link(OBJECT(&chip->psi), "xics", - OBJECT(qdev_get_machine()), &error_abort); - - object_initialize(&chip->occ, sizeof(chip->occ), TYPE_PNV_OCC); - object_property_add_child(obj, "occ", OBJECT(&chip->occ), NULL); - object_property_add_const_link(OBJECT(&chip->occ), "psi", - OBJECT(&chip->psi), &error_abort); - - /* The LPC controller needs PSI to generate interrupts */ - object_property_add_const_link(OBJECT(&chip->lpc), "psi", - OBJECT(&chip->psi), &error_abort); -} - -static void pnv_chip_icp_realize(PnvChip *chip, Error **errp) -{ - PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); - const char *typename = pnv_chip_core_typename(chip); - size_t typesize = object_type_get_instance_size(typename); - int i, j; - char *name; - XICSFabric *xi = XICS_FABRIC(qdev_get_machine()); - - name = g_strdup_printf("icp-%x", chip->chip_id); - memory_region_init(&chip->icp_mmio, OBJECT(chip), name, PNV_ICP_SIZE); - sysbus_init_mmio(SYS_BUS_DEVICE(chip), &chip->icp_mmio); - g_free(name); - - sysbus_mmio_map(SYS_BUS_DEVICE(chip), 1, PNV_ICP_BASE(chip)); - - /* Map the ICP registers for each thread */ - for (i = 0; i < chip->nr_cores; i++) { - PnvCore *pnv_core = PNV_CORE(chip->cores + i * typesize); - int core_hwid = CPU_CORE(pnv_core)->core_id; - - for (j = 0; j < CPU_CORE(pnv_core)->nr_threads; j++) { - uint32_t pir = pcc->core_pir(chip, core_hwid) + j; - PnvICPState *icp = PNV_ICP(xics_icp_get(xi, pir)); - - memory_region_add_subregion(&chip->icp_mmio, pir << 12, &icp->mmio); - } - } + PNV_CHIP(obj)->xscom_base = PNV_CHIP_GET_CLASS(obj)->xscom_base; } static void pnv_chip_core_realize(PnvChip *chip, Error **errp) @@ -892,8 +985,8 @@ static void pnv_chip_core_realize(PnvChip *chip, Error **errp) object_property_set_int(OBJECT(pnv_core), pcc->core_pir(chip, core_hwid), "pir", &error_fatal); - object_property_add_const_link(OBJECT(pnv_core), "xics", - qdev_get_machine(), &error_fatal); + object_property_add_const_link(OBJECT(pnv_core), "chip", + OBJECT(chip), &error_fatal); object_property_set_bool(OBJECT(pnv_core), true, "realized", &error_fatal); object_unref(OBJECT(pnv_core)); @@ -930,37 +1023,6 @@ static void pnv_chip_realize(DeviceState *dev, Error **errp) error_propagate(errp, error); return; } - - /* Create LPC controller */ - object_property_set_bool(OBJECT(&chip->lpc), true, "realized", - &error_fatal); - pnv_xscom_add_subregion(chip, PNV_XSCOM_LPC_BASE, &chip->lpc.xscom_regs); - - /* Interrupt Management Area. This is the memory region holding - * all the Interrupt Control Presenter (ICP) registers */ - pnv_chip_icp_realize(chip, &error); - if (error) { - error_propagate(errp, error); - return; - } - - /* Processor Service Interface (PSI) Host Bridge */ - object_property_set_int(OBJECT(&chip->psi), PNV_PSIHB_BASE(chip), - "bar", &error_fatal); - object_property_set_bool(OBJECT(&chip->psi), true, "realized", &error); - if (error) { - error_propagate(errp, error); - return; - } - pnv_xscom_add_subregion(chip, PNV_XSCOM_PSIHB_BASE, &chip->psi.xscom_regs); - - /* Create the simplified OCC model */ - object_property_set_bool(OBJECT(&chip->occ), true, "realized", &error); - if (error) { - error_propagate(errp, error); - return; - } - pnv_xscom_add_subregion(chip, PNV_XSCOM_OCC_BASE, &chip->occ.xscom_regs); } static Property pnv_chip_properties[] = { @@ -988,8 +1050,10 @@ static ICSState *pnv_ics_get(XICSFabric *xi, int irq) int i; for (i = 0; i < pnv->num_chips; i++) { - if (ics_valid_irq(&pnv->chips[i]->psi.ics, irq)) { - return &pnv->chips[i]->psi.ics; + Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]); + + if (ics_valid_irq(&chip8->psi.ics, irq)) { + return &chip8->psi.ics; } } return NULL; @@ -1001,7 +1065,8 @@ static void pnv_ics_resend(XICSFabric *xi) int i; for (i = 0; i < pnv->num_chips; i++) { - ics_resend(&pnv->chips[i]->psi.ics); + Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]); + ics_resend(&chip8->psi.ics); } } @@ -1042,7 +1107,8 @@ static void pnv_pic_print_info(InterruptStatsProvider *obj, } for (i = 0; i < pnv->num_chips; i++) { - ics_pic_print_info(&pnv->chips[i]->psi.ics, mon); + Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]); + ics_pic_print_info(&chip8->psi.ics, mon); } } @@ -1077,7 +1143,7 @@ static void pnv_set_num_chips(Object *obj, Visitor *v, const char *name, pnv->num_chips = num_chips; } -static void pnv_machine_initfn(Object *obj) +static void pnv_machine_instance_init(Object *obj) { PnvMachineState *pnv = PNV_MACHINE(obj); pnv->num_chips = 1; @@ -1117,11 +1183,18 @@ static void pnv_machine_class_init(ObjectClass *oc, void *data) pnv_machine_class_props_init(oc); } -#define DEFINE_PNV_CHIP_TYPE(type, class_initfn) \ - { \ - .name = type, \ - .class_init = class_initfn, \ - .parent = TYPE_PNV_CHIP, \ +#define DEFINE_PNV8_CHIP_TYPE(type, class_initfn) \ + { \ + .name = type, \ + .class_init = class_initfn, \ + .parent = TYPE_PNV8_CHIP, \ + } + +#define DEFINE_PNV9_CHIP_TYPE(type, class_initfn) \ + { \ + .name = type, \ + .class_init = class_initfn, \ + .parent = TYPE_PNV9_CHIP, \ } static const TypeInfo types[] = { @@ -1129,7 +1202,7 @@ static const TypeInfo types[] = { .name = TYPE_PNV_MACHINE, .parent = TYPE_MACHINE, .instance_size = sizeof(PnvMachineState), - .instance_init = pnv_machine_initfn, + .instance_init = pnv_machine_instance_init, .class_init = pnv_machine_class_init, .interfaces = (InterfaceInfo[]) { { TYPE_XICS_FABRIC }, @@ -1141,16 +1214,36 @@ static const TypeInfo types[] = { .name = TYPE_PNV_CHIP, .parent = TYPE_SYS_BUS_DEVICE, .class_init = pnv_chip_class_init, - .instance_init = pnv_chip_init, + .instance_init = pnv_chip_instance_init, .instance_size = sizeof(PnvChip), .class_size = sizeof(PnvChipClass), .abstract = true, }, - DEFINE_PNV_CHIP_TYPE(TYPE_PNV_CHIP_POWER9, pnv_chip_power9_class_init), - DEFINE_PNV_CHIP_TYPE(TYPE_PNV_CHIP_POWER8, pnv_chip_power8_class_init), - DEFINE_PNV_CHIP_TYPE(TYPE_PNV_CHIP_POWER8E, pnv_chip_power8e_class_init), - DEFINE_PNV_CHIP_TYPE(TYPE_PNV_CHIP_POWER8NVL, - pnv_chip_power8nvl_class_init), + + /* + * P9 chip and variants + */ + { + .name = TYPE_PNV9_CHIP, + .parent = TYPE_PNV_CHIP, + .instance_init = pnv_chip_power9_instance_init, + .instance_size = sizeof(Pnv9Chip), + }, + DEFINE_PNV9_CHIP_TYPE(TYPE_PNV_CHIP_POWER9, pnv_chip_power9_class_init), + + /* + * P8 chip and variants + */ + { + .name = TYPE_PNV8_CHIP, + .parent = TYPE_PNV_CHIP, + .instance_init = pnv_chip_power8_instance_init, + .instance_size = sizeof(Pnv8Chip), + }, + DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8, pnv_chip_power8_class_init), + DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8E, pnv_chip_power8e_class_init), + DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8NVL, + pnv_chip_power8nvl_class_init), }; DEFINE_TYPES(types) |