diff options
Diffstat (limited to 'hw/ppc/pnv_core.c')
| -rw-r--r-- | hw/ppc/pnv_core.c | 189 |
1 files changed, 175 insertions, 14 deletions
diff --git a/hw/ppc/pnv_core.c b/hw/ppc/pnv_core.c index 7c806da720..5feeed6bc4 100644 --- a/hw/ppc/pnv_core.c +++ b/hw/ppc/pnv_core.c @@ -60,8 +60,8 @@ static void pnv_cpu_reset(void *opaque) #define PNV_XSCOM_EX_DTS_RESULT0 0x50000 #define PNV_XSCOM_EX_DTS_RESULT1 0x50001 -static uint64_t pnv_core_xscom_read(void *opaque, hwaddr addr, - unsigned int width) +static uint64_t pnv_core_power8_xscom_read(void *opaque, hwaddr addr, + unsigned int width) { uint32_t offset = addr >> 3; uint64_t val = 0; @@ -82,16 +82,74 @@ static uint64_t pnv_core_xscom_read(void *opaque, hwaddr addr, return val; } -static void pnv_core_xscom_write(void *opaque, hwaddr addr, uint64_t val, - unsigned int width) +static void pnv_core_power8_xscom_write(void *opaque, hwaddr addr, uint64_t val, + unsigned int width) { qemu_log_mask(LOG_UNIMP, "Warning: writing to reg=0x%" HWADDR_PRIx "\n", addr); } -static const MemoryRegionOps pnv_core_xscom_ops = { - .read = pnv_core_xscom_read, - .write = pnv_core_xscom_write, +static const MemoryRegionOps pnv_core_power8_xscom_ops = { + .read = pnv_core_power8_xscom_read, + .write = pnv_core_power8_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, +}; + + +/* + * POWER9 core controls + */ +#define PNV9_XSCOM_EC_PPM_SPECIAL_WKUP_HYP 0xf010d +#define PNV9_XSCOM_EC_PPM_SPECIAL_WKUP_OTR 0xf010a + +static uint64_t pnv_core_power9_xscom_read(void *opaque, hwaddr addr, + unsigned int width) +{ + uint32_t offset = addr >> 3; + uint64_t val = 0; + + /* The result should be 38 C */ + switch (offset) { + case PNV_XSCOM_EX_DTS_RESULT0: + val = 0x26f024f023f0000ull; + break; + case PNV_XSCOM_EX_DTS_RESULT1: + val = 0x24f000000000000ull; + break; + case PNV9_XSCOM_EC_PPM_SPECIAL_WKUP_HYP: + case PNV9_XSCOM_EC_PPM_SPECIAL_WKUP_OTR: + val = 0x0; + break; + default: + qemu_log_mask(LOG_UNIMP, "Warning: reading reg=0x%" HWADDR_PRIx "\n", + addr); + } + + return val; +} + +static void pnv_core_power9_xscom_write(void *opaque, hwaddr addr, uint64_t val, + unsigned int width) +{ + uint32_t offset = addr >> 3; + + switch (offset) { + case PNV9_XSCOM_EC_PPM_SPECIAL_WKUP_HYP: + case PNV9_XSCOM_EC_PPM_SPECIAL_WKUP_OTR: + break; + default: + qemu_log_mask(LOG_UNIMP, "Warning: writing to reg=0x%" HWADDR_PRIx "\n", + addr); + } +} + +static const MemoryRegionOps pnv_core_power9_xscom_ops = { + .read = pnv_core_power9_xscom_read, + .write = pnv_core_power9_xscom_write, .valid.min_access_size = 8, .valid.max_access_size = 8, .impl.min_access_size = 8, @@ -138,6 +196,7 @@ static void pnv_realize_vcpu(PowerPCCPU *cpu, PnvChip *chip, Error **errp) static void pnv_core_realize(DeviceState *dev, Error **errp) { PnvCore *pc = PNV_CORE(OBJECT(dev)); + PnvCoreClass *pcc = PNV_CORE_GET_CLASS(pc); CPUCore *cc = CPU_CORE(OBJECT(dev)); const char *typename = pnv_core_cpu_typename(pc); Error *local_err = NULL; @@ -180,7 +239,7 @@ static void pnv_core_realize(DeviceState *dev, Error **errp) } snprintf(name, sizeof(name), "xscom-core.%d", cc->core_id); - pnv_xscom_region_init(&pc->xscom_regs, OBJECT(dev), &pnv_core_xscom_ops, + pnv_xscom_region_init(&pc->xscom_regs, OBJECT(dev), pcc->xscom_ops, pc, name, PNV_XSCOM_EX_SIZE); return; @@ -198,7 +257,7 @@ static void pnv_unrealize_vcpu(PowerPCCPU *cpu) PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); qemu_unregister_reset(pnv_cpu_reset, cpu); - object_unparent(OBJECT(pnv_cpu_state(cpu)->icp)); + object_unparent(OBJECT(pnv_cpu_state(cpu)->intc)); cpu_remove_sync(CPU(cpu)); cpu->machine_data = NULL; g_free(pnv_cpu); @@ -222,6 +281,20 @@ static Property pnv_core_properties[] = { DEFINE_PROP_END_OF_LIST(), }; +static void pnv_core_power8_class_init(ObjectClass *oc, void *data) +{ + PnvCoreClass *pcc = PNV_CORE_CLASS(oc); + + pcc->xscom_ops = &pnv_core_power8_xscom_ops; +} + +static void pnv_core_power9_class_init(ObjectClass *oc, void *data) +{ + PnvCoreClass *pcc = PNV_CORE_CLASS(oc); + + pcc->xscom_ops = &pnv_core_power9_xscom_ops; +} + static void pnv_core_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); @@ -231,10 +304,11 @@ static void pnv_core_class_init(ObjectClass *oc, void *data) dc->props = pnv_core_properties; } -#define DEFINE_PNV_CORE_TYPE(cpu_model) \ +#define DEFINE_PNV_CORE_TYPE(family, cpu_model) \ { \ .parent = TYPE_PNV_CORE, \ .name = PNV_CORE_TYPE_NAME(cpu_model), \ + .class_init = pnv_core_##family##_class_init, \ } static const TypeInfo pnv_core_infos[] = { @@ -246,10 +320,97 @@ static const TypeInfo pnv_core_infos[] = { .class_init = pnv_core_class_init, .abstract = true, }, - DEFINE_PNV_CORE_TYPE("power8e_v2.1"), - DEFINE_PNV_CORE_TYPE("power8_v2.0"), - DEFINE_PNV_CORE_TYPE("power8nvl_v1.0"), - DEFINE_PNV_CORE_TYPE("power9_v2.0"), + DEFINE_PNV_CORE_TYPE(power8, "power8e_v2.1"), + DEFINE_PNV_CORE_TYPE(power8, "power8_v2.0"), + DEFINE_PNV_CORE_TYPE(power8, "power8nvl_v1.0"), + DEFINE_PNV_CORE_TYPE(power9, "power9_v2.0"), }; DEFINE_TYPES(pnv_core_infos) + +/* + * POWER9 Quads + */ + +#define P9X_EX_NCU_SPEC_BAR 0x11010 + +static uint64_t pnv_quad_xscom_read(void *opaque, hwaddr addr, + unsigned int width) +{ + uint32_t offset = addr >> 3; + uint64_t val = -1; + + switch (offset) { + case P9X_EX_NCU_SPEC_BAR: + case P9X_EX_NCU_SPEC_BAR + 0x400: /* Second EX */ + val = 0; + break; + default: + qemu_log_mask(LOG_UNIMP, "%s: writing @0x%08x\n", __func__, + offset); + } + + return val; +} + +static void pnv_quad_xscom_write(void *opaque, hwaddr addr, uint64_t val, + unsigned int width) +{ + uint32_t offset = addr >> 3; + + switch (offset) { + case P9X_EX_NCU_SPEC_BAR: + case P9X_EX_NCU_SPEC_BAR + 0x400: /* Second EX */ + break; + default: + qemu_log_mask(LOG_UNIMP, "%s: writing @0x%08x\n", __func__, + offset); + } +} + +static const MemoryRegionOps pnv_quad_xscom_ops = { + .read = pnv_quad_xscom_read, + .write = pnv_quad_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_quad_realize(DeviceState *dev, Error **errp) +{ + PnvQuad *eq = PNV_QUAD(dev); + char name[32]; + + snprintf(name, sizeof(name), "xscom-quad.%d", eq->id); + pnv_xscom_region_init(&eq->xscom_regs, OBJECT(dev), &pnv_quad_xscom_ops, + eq, name, PNV9_XSCOM_EQ_SIZE); +} + +static Property pnv_quad_properties[] = { + DEFINE_PROP_UINT32("id", PnvQuad, id, 0), + DEFINE_PROP_END_OF_LIST(), +}; + +static void pnv_quad_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + dc->realize = pnv_quad_realize; + dc->props = pnv_quad_properties; +} + +static const TypeInfo pnv_quad_info = { + .name = TYPE_PNV_QUAD, + .parent = TYPE_DEVICE, + .instance_size = sizeof(PnvQuad), + .class_init = pnv_quad_class_init, +}; + +static void pnv_core_register_types(void) +{ + type_register_static(&pnv_quad_info); +} + +type_init(pnv_core_register_types) |