diff options
Diffstat (limited to 'hw')
-rw-r--r-- | hw/i2c/ppc4xx_i2c.c | 299 | ||||
-rw-r--r-- | hw/intc/xics.c | 174 | ||||
-rw-r--r-- | hw/intc/xics_kvm.c | 80 | ||||
-rw-r--r-- | hw/intc/xics_pnv.c | 15 | ||||
-rw-r--r-- | hw/misc/macio/mac_dbdma.c | 21 | ||||
-rw-r--r-- | hw/ppc/Makefile.objs | 3 | ||||
-rw-r--r-- | hw/ppc/mac_newworld.c | 4 | ||||
-rw-r--r-- | hw/ppc/pnv_core.c | 1 | ||||
-rw-r--r-- | hw/ppc/ppc440.h | 1 | ||||
-rw-r--r-- | hw/ppc/ppc440_uc.c | 222 | ||||
-rw-r--r-- | hw/ppc/sam460ex.c | 32 | ||||
-rw-r--r-- | hw/ppc/spapr.c | 16 | ||||
-rw-r--r-- | hw/ppc/spapr_caps.c | 13 | ||||
-rw-r--r-- | hw/timer/Makefile.objs | 1 | ||||
-rw-r--r-- | hw/timer/m41t80.c | 117 |
15 files changed, 724 insertions, 275 deletions
diff --git a/hw/i2c/ppc4xx_i2c.c b/hw/i2c/ppc4xx_i2c.c index fca80d695a..d6dfafab31 100644 --- a/hw/i2c/ppc4xx_i2c.c +++ b/hw/i2c/ppc4xx_i2c.c @@ -34,16 +34,50 @@ #define PPC4xx_I2C_MEM_SIZE 18 +enum { + IIC_MDBUF = 0, + /* IIC_SDBUF = 2, */ + IIC_LMADR = 4, + IIC_HMADR, + IIC_CNTL, + IIC_MDCNTL, + IIC_STS, + IIC_EXTSTS, + IIC_LSADR, + IIC_HSADR, + IIC_CLKDIV, + IIC_INTRMSK, + IIC_XFRCNT, + IIC_XTCNTLSS, + IIC_DIRECTCNTL + /* IIC_INTR */ +}; + #define IIC_CNTL_PT (1 << 0) #define IIC_CNTL_READ (1 << 1) #define IIC_CNTL_CHT (1 << 2) #define IIC_CNTL_RPST (1 << 3) +#define IIC_CNTL_AMD (1 << 6) +#define IIC_CNTL_HMT (1 << 7) + +#define IIC_MDCNTL_EINT (1 << 2) +#define IIC_MDCNTL_ESM (1 << 3) +#define IIC_MDCNTL_FMDB (1 << 6) #define IIC_STS_PT (1 << 0) +#define IIC_STS_IRQA (1 << 1) #define IIC_STS_ERR (1 << 2) +#define IIC_STS_MDBF (1 << 4) #define IIC_STS_MDBS (1 << 5) #define IIC_EXTSTS_XFRA (1 << 0) +#define IIC_EXTSTS_BCS_FREE (4 << 4) +#define IIC_EXTSTS_BCS_BUSY (5 << 4) + +#define IIC_INTRMSK_EIMTC (1 << 0) +#define IIC_INTRMSK_EITA (1 << 1) +#define IIC_INTRMSK_EIIC (1 << 2) +#define IIC_INTRMSK_EIHE (1 << 3) #define IIC_XTCNTLSS_SRST (1 << 0) @@ -56,130 +90,83 @@ static void ppc4xx_i2c_reset(DeviceState *s) { PPC4xxI2CState *i2c = PPC4xx_I2C(s); - /* FIXME: Should also reset bus? - *if (s->address != ADDR_RESET) { - * i2c_end_transfer(s->bus); - *} - */ - - i2c->mdata = 0; - i2c->lmadr = 0; - i2c->hmadr = 0; + i2c->mdidx = -1; + memset(i2c->mdata, 0, ARRAY_SIZE(i2c->mdata)); + /* [hl][ms]addr are not affected by reset */ i2c->cntl = 0; i2c->mdcntl = 0; i2c->sts = 0; - i2c->extsts = 0x8f; - i2c->lsadr = 0; - i2c->hsadr = 0; + i2c->extsts = IIC_EXTSTS_BCS_FREE; i2c->clkdiv = 0; i2c->intrmsk = 0; i2c->xfrcnt = 0; i2c->xtcntlss = 0; - i2c->directcntl = 0xf; -} - -static inline bool ppc4xx_i2c_is_master(PPC4xxI2CState *i2c) -{ - return true; + i2c->directcntl = 0xf; /* all non-reserved bits set */ } static uint64_t ppc4xx_i2c_readb(void *opaque, hwaddr addr, unsigned int size) { PPC4xxI2CState *i2c = PPC4xx_I2C(opaque); uint64_t ret; + int i; switch (addr) { - case 0: - ret = i2c->mdata; - if (ppc4xx_i2c_is_master(i2c)) { + case IIC_MDBUF: + if (i2c->mdidx < 0) { ret = 0xff; - - if (!(i2c->sts & IIC_STS_MDBS)) { - qemu_log_mask(LOG_GUEST_ERROR, "[%s]%s: Trying to read " - "without starting transfer\n", - TYPE_PPC4xx_I2C, __func__); - } else { - int pending = (i2c->cntl >> 4) & 3; - - /* get the next byte */ - int byte = i2c_recv(i2c->bus); - - if (byte < 0) { - qemu_log_mask(LOG_GUEST_ERROR, "[%s]%s: read failed " - "for device 0x%02x\n", TYPE_PPC4xx_I2C, - __func__, i2c->lmadr); - ret = 0xff; - } else { - ret = byte; - /* Raise interrupt if enabled */ - /*ppc4xx_i2c_raise_interrupt(i2c)*/; - } - - if (!pending) { - i2c->sts &= ~IIC_STS_MDBS; - /*i2c_end_transfer(i2c->bus);*/ - /*} else if (i2c->cntl & (IIC_CNTL_RPST | IIC_CNTL_CHT)) {*/ - } else if (pending) { - /* current smbus implementation doesn't like - multibyte xfer repeated start */ - i2c_end_transfer(i2c->bus); - if (i2c_start_transfer(i2c->bus, i2c->lmadr >> 1, 1)) { - /* if non zero is returned, the adress is not valid */ - i2c->sts &= ~IIC_STS_PT; - i2c->sts |= IIC_STS_ERR; - i2c->extsts |= IIC_EXTSTS_XFRA; - } else { - /*i2c->sts |= IIC_STS_PT;*/ - i2c->sts |= IIC_STS_MDBS; - i2c->sts &= ~IIC_STS_ERR; - i2c->extsts = 0; - } - } - pending--; - i2c->cntl = (i2c->cntl & 0xcf) | (pending << 4); - } - } else { - qemu_log_mask(LOG_UNIMP, "[%s]%s: slave mode not implemented\n", - TYPE_PPC4xx_I2C, __func__); + break; + } + ret = i2c->mdata[0]; + if (i2c->mdidx == 3) { + i2c->sts &= ~IIC_STS_MDBF; + } else if (i2c->mdidx == 0) { + i2c->sts &= ~IIC_STS_MDBS; + } + for (i = 0; i < i2c->mdidx; i++) { + i2c->mdata[i] = i2c->mdata[i + 1]; + } + if (i2c->mdidx >= 0) { + i2c->mdidx--; } break; - case 4: + case IIC_LMADR: ret = i2c->lmadr; break; - case 5: + case IIC_HMADR: ret = i2c->hmadr; break; - case 6: + case IIC_CNTL: ret = i2c->cntl; break; - case 7: + case IIC_MDCNTL: ret = i2c->mdcntl; break; - case 8: + case IIC_STS: ret = i2c->sts; break; - case 9: - ret = i2c->extsts; + case IIC_EXTSTS: + ret = i2c_bus_busy(i2c->bus) ? + IIC_EXTSTS_BCS_BUSY : IIC_EXTSTS_BCS_FREE; break; - case 10: + case IIC_LSADR: ret = i2c->lsadr; break; - case 11: + case IIC_HSADR: ret = i2c->hsadr; break; - case 12: + case IIC_CLKDIV: ret = i2c->clkdiv; break; - case 13: + case IIC_INTRMSK: ret = i2c->intrmsk; break; - case 14: + case IIC_XFRCNT: ret = i2c->xfrcnt; break; - case 15: + case IIC_XTCNTLSS: ret = i2c->xtcntlss; break; - case 16: + case IIC_DIRECTCNTL: ret = i2c->directcntl; break; default: @@ -202,99 +189,127 @@ static void ppc4xx_i2c_writeb(void *opaque, hwaddr addr, uint64_t value, PPC4xxI2CState *i2c = opaque; switch (addr) { - case 0: - i2c->mdata = value; - if (!i2c_bus_busy(i2c->bus)) { - /* assume we start a write transfer */ - if (i2c_start_transfer(i2c->bus, i2c->lmadr >> 1, 0)) { - /* if non zero is returned, the adress is not valid */ - i2c->sts &= ~IIC_STS_PT; - i2c->sts |= IIC_STS_ERR; - i2c->extsts |= IIC_EXTSTS_XFRA; - } else { - i2c->sts |= IIC_STS_PT; - i2c->sts &= ~IIC_STS_ERR; - i2c->extsts = 0; - } + case IIC_MDBUF: + if (i2c->mdidx >= 3) { + break; } - if (i2c_bus_busy(i2c->bus)) { - if (i2c_send(i2c->bus, i2c->mdata)) { - /* if the target return non zero then end the transfer */ - i2c->sts &= ~IIC_STS_PT; - i2c->sts |= IIC_STS_ERR; - i2c->extsts |= IIC_EXTSTS_XFRA; - i2c_end_transfer(i2c->bus); - } + i2c->mdata[++i2c->mdidx] = value; + if (i2c->mdidx == 3) { + i2c->sts |= IIC_STS_MDBF; + } else if (i2c->mdidx == 0) { + i2c->sts |= IIC_STS_MDBS; } break; - case 4: + case IIC_LMADR: i2c->lmadr = value; - if (i2c_bus_busy(i2c->bus)) { - i2c_end_transfer(i2c->bus); - } break; - case 5: + case IIC_HMADR: i2c->hmadr = value; break; - case 6: - i2c->cntl = value; - if (i2c->cntl & IIC_CNTL_PT) { - if (i2c->cntl & IIC_CNTL_READ) { - if (i2c_bus_busy(i2c->bus)) { - /* end previous transfer */ - i2c->sts &= ~IIC_STS_PT; - i2c_end_transfer(i2c->bus); + case IIC_CNTL: + i2c->cntl = value & ~IIC_CNTL_PT; + if (value & IIC_CNTL_AMD) { + qemu_log_mask(LOG_UNIMP, "%s: only 7 bit addresses supported\n", + __func__); + } + if (value & IIC_CNTL_HMT && i2c_bus_busy(i2c->bus)) { + i2c_end_transfer(i2c->bus); + if (i2c->mdcntl & IIC_MDCNTL_EINT && + i2c->intrmsk & IIC_INTRMSK_EIHE) { + i2c->sts |= IIC_STS_IRQA; + qemu_irq_raise(i2c->irq); + } + } else if (value & IIC_CNTL_PT) { + int recv = (value & IIC_CNTL_READ) >> 1; + int tct = value >> 4 & 3; + int i; + + if (recv && (i2c->lmadr >> 1) >= 0x50 && (i2c->lmadr >> 1) < 0x58) { + /* smbus emulation does not like multi byte reads w/o restart */ + value |= IIC_CNTL_RPST; + } + + for (i = 0; i <= tct; i++) { + if (!i2c_bus_busy(i2c->bus)) { + i2c->extsts = IIC_EXTSTS_BCS_FREE; + if (i2c_start_transfer(i2c->bus, i2c->lmadr >> 1, recv)) { + i2c->sts |= IIC_STS_ERR; + i2c->extsts |= IIC_EXTSTS_XFRA; + break; + } else { + i2c->sts &= ~IIC_STS_ERR; + } } - if (i2c_start_transfer(i2c->bus, i2c->lmadr >> 1, 1)) { - /* if non zero is returned, the adress is not valid */ - i2c->sts &= ~IIC_STS_PT; + if (!(i2c->sts & IIC_STS_ERR) && + i2c_send_recv(i2c->bus, &i2c->mdata[i], !recv)) { i2c->sts |= IIC_STS_ERR; i2c->extsts |= IIC_EXTSTS_XFRA; - } else { - /*i2c->sts |= IIC_STS_PT;*/ - i2c->sts |= IIC_STS_MDBS; - i2c->sts &= ~IIC_STS_ERR; - i2c->extsts = 0; + break; + } + if (value & IIC_CNTL_RPST || !(value & IIC_CNTL_CHT)) { + i2c_end_transfer(i2c->bus); } - } else { - /* we actually already did the write transfer... */ - i2c->sts &= ~IIC_STS_PT; + } + i2c->xfrcnt = i; + i2c->mdidx = i - 1; + if (recv && i2c->mdidx >= 0) { + i2c->sts |= IIC_STS_MDBS; + } + if (recv && i2c->mdidx == 3) { + i2c->sts |= IIC_STS_MDBF; + } + if (i && i2c->mdcntl & IIC_MDCNTL_EINT && + i2c->intrmsk & IIC_INTRMSK_EIMTC) { + i2c->sts |= IIC_STS_IRQA; + qemu_irq_raise(i2c->irq); } } break; - case 7: - i2c->mdcntl = value & 0xdf; + case IIC_MDCNTL: + i2c->mdcntl = value & 0x3d; + if (value & IIC_MDCNTL_ESM) { + qemu_log_mask(LOG_UNIMP, "%s: slave mode not implemented\n", + __func__); + } + if (value & IIC_MDCNTL_FMDB) { + i2c->mdidx = -1; + memset(i2c->mdata, 0, ARRAY_SIZE(i2c->mdata)); + i2c->sts &= ~(IIC_STS_MDBF | IIC_STS_MDBS); + } break; - case 8: - i2c->sts &= ~(value & 0xa); + case IIC_STS: + i2c->sts &= ~(value & 0x0a); + if (value & IIC_STS_IRQA && i2c->mdcntl & IIC_MDCNTL_EINT) { + qemu_irq_lower(i2c->irq); + } break; - case 9: + case IIC_EXTSTS: i2c->extsts &= ~(value & 0x8f); break; - case 10: + case IIC_LSADR: i2c->lsadr = value; break; - case 11: + case IIC_HSADR: i2c->hsadr = value; break; - case 12: + case IIC_CLKDIV: i2c->clkdiv = value; break; - case 13: + case IIC_INTRMSK: i2c->intrmsk = value; break; - case 14: + case IIC_XFRCNT: i2c->xfrcnt = value & 0x77; break; - case 15: + case IIC_XTCNTLSS: + i2c->xtcntlss &= ~(value & 0xf0); if (value & IIC_XTCNTLSS_SRST) { /* Is it actually a full reset? U-Boot sets some regs before */ ppc4xx_i2c_reset(DEVICE(i2c)); break; } - i2c->xtcntlss = value; break; - case 16: + case IIC_DIRECTCNTL: i2c->directcntl = value & (IIC_DIRECTCNTL_SDAC & IIC_DIRECTCNTL_SCLC); i2c->directcntl |= (value & IIC_DIRECTCNTL_SCLC ? 1 : 0); bitbang_i2c_set(i2c->bitbang, BITBANG_I2C_SCL, diff --git a/hw/intc/xics.c b/hw/intc/xics.c index e73e623e3b..b9f1a3c972 100644 --- a/hw/intc/xics.c +++ b/hw/intc/xics.c @@ -294,7 +294,6 @@ static const VMStateDescription vmstate_icp_server = { static void icp_reset(void *dev) { ICPState *icp = ICP(dev); - ICPStateClass *icpc = ICP_GET_CLASS(icp); icp->xirr = 0; icp->pending_priority = 0xff; @@ -302,16 +301,11 @@ static void icp_reset(void *dev) /* Make all outputs are deasserted */ qemu_set_irq(icp->output, 0); - - if (icpc->reset) { - icpc->reset(icp); - } } static void icp_realize(DeviceState *dev, Error **errp) { ICPState *icp = ICP(dev); - ICPStateClass *icpc = ICP_GET_CLASS(dev); PowerPCCPU *cpu; CPUPPCState *env; Object *obj; @@ -351,10 +345,6 @@ static void icp_realize(DeviceState *dev, Error **errp) return; } - if (icpc->realize) { - icpc->realize(icp, errp); - } - qemu_register_reset(icp_reset, dev); vmstate_register(NULL, icp->cs->cpu_index, &vmstate_icp_server, icp); } @@ -547,9 +537,61 @@ static void ics_simple_eoi(ICSState *ics, uint32_t nr) } } -static void ics_simple_reset(void *dev) +static void ics_simple_reset(DeviceState *dev) +{ + ICSStateClass *icsc = ICS_BASE_GET_CLASS(dev); + + icsc->parent_reset(dev); +} + +static void ics_simple_reset_handler(void *dev) +{ + ics_simple_reset(dev); +} + +static void ics_simple_realize(DeviceState *dev, Error **errp) { ICSState *ics = ICS_SIMPLE(dev); + ICSStateClass *icsc = ICS_BASE_GET_CLASS(ics); + Error *local_err = NULL; + + icsc->parent_realize(dev, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + ics->qirqs = qemu_allocate_irqs(ics_simple_set_irq, ics, ics->nr_irqs); + + qemu_register_reset(ics_simple_reset_handler, ics); +} + +static void ics_simple_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + ICSStateClass *isc = ICS_BASE_CLASS(klass); + + device_class_set_parent_realize(dc, ics_simple_realize, + &isc->parent_realize); + device_class_set_parent_reset(dc, ics_simple_reset, + &isc->parent_reset); + + isc->reject = ics_simple_reject; + isc->resend = ics_simple_resend; + isc->eoi = ics_simple_eoi; +} + +static const TypeInfo ics_simple_info = { + .name = TYPE_ICS_SIMPLE, + .parent = TYPE_ICS_BASE, + .instance_size = sizeof(ICSState), + .class_init = ics_simple_class_init, + .class_size = sizeof(ICSStateClass), +}; + +static void ics_base_reset(DeviceState *dev) +{ + ICSState *ics = ICS_BASE(dev); int i; uint8_t flags[ics->nr_irqs]; @@ -566,7 +608,35 @@ static void ics_simple_reset(void *dev) } } -static int ics_simple_dispatch_pre_save(void *opaque) +static void ics_base_realize(DeviceState *dev, Error **errp) +{ + ICSState *ics = ICS_BASE(dev); + Object *obj; + Error *err = NULL; + + obj = object_property_get_link(OBJECT(dev), ICS_PROP_XICS, &err); + if (!obj) { + error_propagate(errp, err); + error_prepend(errp, "required link '" ICS_PROP_XICS "' not found: "); + return; + } + ics->xics = XICS_FABRIC(obj); + + if (!ics->nr_irqs) { + error_setg(errp, "Number of interrupts needs to be greater 0"); + return; + } + ics->irqs = g_malloc0(ics->nr_irqs * sizeof(ICSIRQState)); +} + +static void ics_base_instance_init(Object *obj) +{ + ICSState *ics = ICS_BASE(obj); + + ics->offset = XICS_IRQ_BASE; +} + +static int ics_base_dispatch_pre_save(void *opaque) { ICSState *ics = opaque; ICSStateClass *info = ICS_BASE_GET_CLASS(ics); @@ -578,7 +648,7 @@ static int ics_simple_dispatch_pre_save(void *opaque) return 0; } -static int ics_simple_dispatch_post_load(void *opaque, int version_id) +static int ics_base_dispatch_post_load(void *opaque, int version_id) { ICSState *ics = opaque; ICSStateClass *info = ICS_BASE_GET_CLASS(ics); @@ -590,7 +660,7 @@ static int ics_simple_dispatch_post_load(void *opaque, int version_id) return 0; } -static const VMStateDescription vmstate_ics_simple_irq = { +static const VMStateDescription vmstate_ics_base_irq = { .name = "ics/irq", .version_id = 2, .minimum_version_id = 1, @@ -604,95 +674,36 @@ static const VMStateDescription vmstate_ics_simple_irq = { }, }; -static const VMStateDescription vmstate_ics_simple = { +static const VMStateDescription vmstate_ics_base = { .name = "ics", .version_id = 1, .minimum_version_id = 1, - .pre_save = ics_simple_dispatch_pre_save, - .post_load = ics_simple_dispatch_post_load, + .pre_save = ics_base_dispatch_pre_save, + .post_load = ics_base_dispatch_post_load, .fields = (VMStateField[]) { /* Sanity check */ VMSTATE_UINT32_EQUAL(nr_irqs, ICSState, NULL), VMSTATE_STRUCT_VARRAY_POINTER_UINT32(irqs, ICSState, nr_irqs, - vmstate_ics_simple_irq, + vmstate_ics_base_irq, ICSIRQState), VMSTATE_END_OF_LIST() }, }; -static void ics_simple_initfn(Object *obj) -{ - ICSState *ics = ICS_SIMPLE(obj); - - ics->offset = XICS_IRQ_BASE; -} - -static void ics_simple_realize(ICSState *ics, Error **errp) -{ - if (!ics->nr_irqs) { - error_setg(errp, "Number of interrupts needs to be greater 0"); - return; - } - ics->irqs = g_malloc0(ics->nr_irqs * sizeof(ICSIRQState)); - ics->qirqs = qemu_allocate_irqs(ics_simple_set_irq, ics, ics->nr_irqs); - - qemu_register_reset(ics_simple_reset, ics); -} - -static Property ics_simple_properties[] = { +static Property ics_base_properties[] = { DEFINE_PROP_UINT32("nr-irqs", ICSState, nr_irqs, 0), DEFINE_PROP_END_OF_LIST(), }; -static void ics_simple_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - ICSStateClass *isc = ICS_BASE_CLASS(klass); - - isc->realize = ics_simple_realize; - dc->props = ics_simple_properties; - dc->vmsd = &vmstate_ics_simple; - isc->reject = ics_simple_reject; - isc->resend = ics_simple_resend; - isc->eoi = ics_simple_eoi; -} - -static const TypeInfo ics_simple_info = { - .name = TYPE_ICS_SIMPLE, - .parent = TYPE_ICS_BASE, - .instance_size = sizeof(ICSState), - .class_init = ics_simple_class_init, - .class_size = sizeof(ICSStateClass), - .instance_init = ics_simple_initfn, -}; - -static void ics_base_realize(DeviceState *dev, Error **errp) -{ - ICSStateClass *icsc = ICS_BASE_GET_CLASS(dev); - ICSState *ics = ICS_BASE(dev); - Object *obj; - Error *err = NULL; - - obj = object_property_get_link(OBJECT(dev), ICS_PROP_XICS, &err); - if (!obj) { - error_propagate(errp, err); - error_prepend(errp, "required link '" ICS_PROP_XICS "' not found: "); - return; - } - ics->xics = XICS_FABRIC(obj); - - - if (icsc->realize) { - icsc->realize(ics, errp); - } -} - static void ics_base_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->realize = ics_base_realize; + dc->props = ics_base_properties; + dc->reset = ics_base_reset; + dc->vmsd = &vmstate_ics_base; } static const TypeInfo ics_base_info = { @@ -700,6 +711,7 @@ static const TypeInfo ics_base_info = { .parent = TYPE_DEVICE, .abstract = true, .instance_size = sizeof(ICSState), + .instance_init = ics_base_instance_init, .class_init = ics_base_class_init, .class_size = sizeof(ICSStateClass), }; diff --git a/hw/intc/xics_kvm.c b/hw/intc/xics_kvm.c index 8dba2f84e7..30c3769a20 100644 --- a/hw/intc/xics_kvm.c +++ b/hw/intc/xics_kvm.c @@ -114,22 +114,38 @@ static int icp_set_kvm_state(ICPState *icp, int version_id) return 0; } -static void icp_kvm_reset(ICPState *icp) +static void icp_kvm_reset(DeviceState *dev) { - icp_set_kvm_state(icp, 1); + ICPStateClass *icpc = ICP_GET_CLASS(dev); + + icpc->parent_reset(dev); + + icp_set_kvm_state(ICP(dev), 1); } -static void icp_kvm_realize(ICPState *icp, Error **errp) +static void icp_kvm_realize(DeviceState *dev, Error **errp) { - CPUState *cs = icp->cs; + ICPState *icp = ICP(dev); + ICPStateClass *icpc = ICP_GET_CLASS(icp); + Error *local_err = NULL; + CPUState *cs; KVMEnabledICP *enabled_icp; - unsigned long vcpu_id = kvm_arch_vcpu_id(cs); + unsigned long vcpu_id; int ret; if (kernel_xics_fd == -1) { abort(); } + icpc->parent_realize(dev, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + cs = icp->cs; + vcpu_id = kvm_arch_vcpu_id(cs); + /* * If we are reusing a parked vCPU fd corresponding to the CPU * which was hot-removed earlier we don't have to renable @@ -154,12 +170,16 @@ static void icp_kvm_realize(ICPState *icp, Error **errp) static void icp_kvm_class_init(ObjectClass *klass, void *data) { + DeviceClass *dc = DEVICE_CLASS(klass); ICPStateClass *icpc = ICP_CLASS(klass); + device_class_set_parent_realize(dc, icp_kvm_realize, + &icpc->parent_realize); + device_class_set_parent_reset(dc, icp_kvm_reset, + &icpc->parent_reset); + icpc->pre_save = icp_get_kvm_state; icpc->post_load = icp_set_kvm_state; - icpc->realize = icp_kvm_realize; - icpc->reset = icp_kvm_reset; icpc->synchronize_state = icp_synchronize_state; } @@ -304,44 +324,46 @@ static void ics_kvm_set_irq(void *opaque, int srcno, int val) } } -static void ics_kvm_reset(void *dev) +static void ics_kvm_reset(DeviceState *dev) { - ICSState *ics = ICS_SIMPLE(dev); - int i; - uint8_t flags[ics->nr_irqs]; + ICSStateClass *icsc = ICS_BASE_GET_CLASS(dev); - for (i = 0; i < ics->nr_irqs; i++) { - flags[i] = ics->irqs[i].flags; - } - - memset(ics->irqs, 0, sizeof(ICSIRQState) * ics->nr_irqs); + icsc->parent_reset(dev); - for (i = 0; i < ics->nr_irqs; i++) { - ics->irqs[i].priority = 0xff; - ics->irqs[i].saved_priority = 0xff; - ics->irqs[i].flags = flags[i]; - } + ics_set_kvm_state(ICS_KVM(dev), 1); +} - ics_set_kvm_state(ics, 1); +static void ics_kvm_reset_handler(void *dev) +{ + ics_kvm_reset(dev); } -static void ics_kvm_realize(ICSState *ics, Error **errp) +static void ics_kvm_realize(DeviceState *dev, Error **errp) { - if (!ics->nr_irqs) { - error_setg(errp, "Number of interrupts needs to be greater 0"); + ICSState *ics = ICS_KVM(dev); + ICSStateClass *icsc = ICS_BASE_GET_CLASS(ics); + Error *local_err = NULL; + + icsc->parent_realize(dev, &local_err); + if (local_err) { + error_propagate(errp, local_err); return; } - ics->irqs = g_malloc0(ics->nr_irqs * sizeof(ICSIRQState)); ics->qirqs = qemu_allocate_irqs(ics_kvm_set_irq, ics, ics->nr_irqs); - qemu_register_reset(ics_kvm_reset, ics); + qemu_register_reset(ics_kvm_reset_handler, ics); } static void ics_kvm_class_init(ObjectClass *klass, void *data) { ICSStateClass *icsc = ICS_BASE_CLASS(klass); + DeviceClass *dc = DEVICE_CLASS(klass); + + device_class_set_parent_realize(dc, ics_kvm_realize, + &icsc->parent_realize); + device_class_set_parent_reset(dc, ics_kvm_reset, + &icsc->parent_reset); - icsc->realize = ics_kvm_realize; icsc->pre_save = ics_get_kvm_state; icsc->post_load = ics_set_kvm_state; icsc->synchronize_state = ics_synchronize_state; @@ -349,7 +371,7 @@ static void ics_kvm_class_init(ObjectClass *klass, void *data) static const TypeInfo ics_kvm_info = { .name = TYPE_ICS_KVM, - .parent = TYPE_ICS_SIMPLE, + .parent = TYPE_ICS_BASE, .instance_size = sizeof(ICSState), .class_init = ics_kvm_class_init, }; diff --git a/hw/intc/xics_pnv.c b/hw/intc/xics_pnv.c index c87de2189c..fa48505f36 100644 --- a/hw/intc/xics_pnv.c +++ b/hw/intc/xics_pnv.c @@ -18,6 +18,7 @@ */ #include "qemu/osdep.h" +#include "qapi/error.h" #include "sysemu/sysemu.h" #include "qemu/log.h" #include "hw/ppc/xics.h" @@ -158,9 +159,18 @@ static const MemoryRegionOps pnv_icp_ops = { }, }; -static void pnv_icp_realize(ICPState *icp, Error **errp) +static void pnv_icp_realize(DeviceState *dev, Error **errp) { + ICPState *icp = ICP(dev); PnvICPState *pnv_icp = PNV_ICP(icp); + ICPStateClass *icpc = ICP_GET_CLASS(icp); + Error *local_err = NULL; + + icpc->parent_realize(dev, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } memory_region_init_io(&pnv_icp->mmio, OBJECT(icp), &pnv_icp_ops, icp, "icp-thread", 0x1000); @@ -171,7 +181,8 @@ static void pnv_icp_class_init(ObjectClass *klass, void *data) DeviceClass *dc = DEVICE_CLASS(klass); ICPStateClass *icpc = ICP_CLASS(klass); - icpc->realize = pnv_icp_realize; + device_class_set_parent_realize(dc, pnv_icp_realize, + &icpc->parent_realize); dc->desc = "PowerNV ICP"; } diff --git a/hw/misc/macio/mac_dbdma.c b/hw/misc/macio/mac_dbdma.c index 1b2a69b3ef..87ae246d37 100644 --- a/hw/misc/macio/mac_dbdma.c +++ b/hw/misc/macio/mac_dbdma.c @@ -71,18 +71,19 @@ static DBDMAState *dbdma_from_ch(DBDMA_channel *ch) } #if DEBUG_DBDMA -static void dump_dbdma_cmd(dbdma_cmd *cmd) +static void dump_dbdma_cmd(DBDMA_channel *ch, dbdma_cmd *cmd) { - printf("dbdma_cmd %p\n", cmd); - printf(" req_count 0x%04x\n", le16_to_cpu(cmd->req_count)); - printf(" command 0x%04x\n", le16_to_cpu(cmd->command)); - printf(" phy_addr 0x%08x\n", le32_to_cpu(cmd->phy_addr)); - printf(" cmd_dep 0x%08x\n", le32_to_cpu(cmd->cmd_dep)); - printf(" res_count 0x%04x\n", le16_to_cpu(cmd->res_count)); - printf(" xfer_status 0x%04x\n", le16_to_cpu(cmd->xfer_status)); + DBDMA_DPRINTFCH(ch, "dbdma_cmd %p\n", cmd); + DBDMA_DPRINTFCH(ch, " req_count 0x%04x\n", le16_to_cpu(cmd->req_count)); + DBDMA_DPRINTFCH(ch, " command 0x%04x\n", le16_to_cpu(cmd->command)); + DBDMA_DPRINTFCH(ch, " phy_addr 0x%08x\n", le32_to_cpu(cmd->phy_addr)); + DBDMA_DPRINTFCH(ch, " cmd_dep 0x%08x\n", le32_to_cpu(cmd->cmd_dep)); + DBDMA_DPRINTFCH(ch, " res_count 0x%04x\n", le16_to_cpu(cmd->res_count)); + DBDMA_DPRINTFCH(ch, " xfer_status 0x%04x\n", + le16_to_cpu(cmd->xfer_status)); } #else -static void dump_dbdma_cmd(dbdma_cmd *cmd) +static void dump_dbdma_cmd(DBDMA_channel *ch, dbdma_cmd *cmd) { } #endif @@ -448,7 +449,7 @@ static void channel_run(DBDMA_channel *ch) uint32_t phy_addr; DBDMA_DPRINTFCH(ch, "channel_run\n"); - dump_dbdma_cmd(current); + dump_dbdma_cmd(ch, current); /* clear WAKE flag at command fetch */ diff --git a/hw/ppc/Makefile.objs b/hw/ppc/Makefile.objs index 86d82a6ec3..bcab6323b7 100644 --- a/hw/ppc/Makefile.objs +++ b/hw/ppc/Makefile.objs @@ -14,7 +14,8 @@ obj-$(CONFIG_PSERIES) += spapr_rtas_ddw.o # PowerPC 4xx boards obj-y += ppc4xx_devs.o ppc405_uc.o obj-$(CONFIG_PPC4XX) += ppc4xx_pci.o ppc405_boards.o -obj-$(CONFIG_PPC4XX) += ppc440_bamboo.o ppc440_pcix.o ppc440_uc.o sam460ex.o +obj-$(CONFIG_PPC4XX) += ppc440_bamboo.o ppc440_pcix.o ppc440_uc.o +obj-$(CONFIG_SAM460EX) += sam460ex.o # PReP obj-$(CONFIG_PREP) += prep.o obj-$(CONFIG_PREP) += prep_systemio.o diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c index 84355b2672..d11980166f 100644 --- a/hw/ppc/mac_newworld.c +++ b/hw/ppc/mac_newworld.c @@ -406,11 +406,11 @@ static void ppc_core99_init(MachineState *machine) adb_bus = qdev_get_child_bus(dev, "adb.0"); dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD); - qdev_prop_set_bit(dev, "disable-direct-reg3-writes", has_pmu); + qdev_prop_set_bit(dev, "disable-direct-reg3-writes", true); qdev_init_nofail(dev); dev = qdev_create(adb_bus, TYPE_ADB_MOUSE); - qdev_prop_set_bit(dev, "disable-direct-reg3-writes", has_pmu); + qdev_prop_set_bit(dev, "disable-direct-reg3-writes", true); qdev_init_nofail(dev); } diff --git a/hw/ppc/pnv_core.c b/hw/ppc/pnv_core.c index a9f129fc2c..9750464bf4 100644 --- a/hw/ppc/pnv_core.c +++ b/hw/ppc/pnv_core.c @@ -150,6 +150,7 @@ static void pnv_core_realize(DeviceState *dev, Error **errp) if (!chip) { error_propagate(errp, local_err); error_prepend(errp, "required link 'chip' not found: "); + return; } pc->threads = g_new(PowerPCCPU *, cc->nr_threads); diff --git a/hw/ppc/ppc440.h b/hw/ppc/ppc440.h index ad27db12e4..7cef936125 100644 --- a/hw/ppc/ppc440.h +++ b/hw/ppc/ppc440.h @@ -21,6 +21,7 @@ void ppc440_sdram_init(CPUPPCState *env, int nbanks, hwaddr *ram_bases, hwaddr *ram_sizes, int do_init); void ppc4xx_ahb_init(CPUPPCState *env); +void ppc4xx_dma_init(CPUPPCState *env, int dcr_base); void ppc460ex_pcie_init(CPUPPCState *env); #endif /* PPC440_H */ diff --git a/hw/ppc/ppc440_uc.c b/hw/ppc/ppc440_uc.c index 1ab2235f20..0bbaa6844a 100644 --- a/hw/ppc/ppc440_uc.c +++ b/hw/ppc/ppc440_uc.c @@ -13,6 +13,7 @@ #include "qemu-common.h" #include "qemu/error-report.h" #include "qapi/error.h" +#include "qemu/log.h" #include "cpu.h" #include "hw/hw.h" #include "exec/address-spaces.h" @@ -803,6 +804,227 @@ void ppc4xx_ahb_init(CPUPPCState *env) } /*****************************************************************************/ +/* DMA controller */ + +#define DMA0_CR_CE (1 << 31) +#define DMA0_CR_PW (1 << 26 | 1 << 25) +#define DMA0_CR_DAI (1 << 24) +#define DMA0_CR_SAI (1 << 23) +#define DMA0_CR_DEC (1 << 2) + +enum { + DMA0_CR = 0x00, + DMA0_CT, + DMA0_SAH, + DMA0_SAL, + DMA0_DAH, + DMA0_DAL, + DMA0_SGH, + DMA0_SGL, + + DMA0_SR = 0x20, + DMA0_SGC = 0x23, + DMA0_SLP = 0x25, + DMA0_POL = 0x26, +}; + +typedef struct { + uint32_t cr; + uint32_t ct; + uint64_t sa; + uint64_t da; + uint64_t sg; +} PPC4xxDmaChnl; + +typedef struct { + int base; + PPC4xxDmaChnl ch[4]; + uint32_t sr; +} PPC4xxDmaState; + +static uint32_t dcr_read_dma(void *opaque, int dcrn) +{ + PPC4xxDmaState *dma = opaque; + uint32_t val = 0; + int addr = dcrn - dma->base; + int chnl = addr / 8; + + switch (addr) { + case 0x00 ... 0x1f: + switch (addr % 8) { + case DMA0_CR: + val = dma->ch[chnl].cr; + break; + case DMA0_CT: + val = dma->ch[chnl].ct; + break; + case DMA0_SAH: + val = dma->ch[chnl].sa >> 32; + break; + case DMA0_SAL: + val = dma->ch[chnl].sa; + break; + case DMA0_DAH: + val = dma->ch[chnl].da >> 32; + break; + case DMA0_DAL: + val = dma->ch[chnl].da; + break; + case DMA0_SGH: + val = dma->ch[chnl].sg >> 32; + break; + case DMA0_SGL: + val = dma->ch[chnl].sg; + break; + } + break; + case DMA0_SR: + val = dma->sr; + break; + default: + qemu_log_mask(LOG_UNIMP, "%s: unimplemented register %x (%d, %x)\n", + __func__, dcrn, chnl, addr); + } + + return val; +} + +static void dcr_write_dma(void *opaque, int dcrn, uint32_t val) +{ + PPC4xxDmaState *dma = opaque; + int addr = dcrn - dma->base; + int chnl = addr / 8; + + switch (addr) { + case 0x00 ... 0x1f: + switch (addr % 8) { + case DMA0_CR: + dma->ch[chnl].cr = val; + if (val & DMA0_CR_CE) { + int count = dma->ch[chnl].ct & 0xffff; + + if (count) { + int width, i, sidx, didx; + uint8_t *rptr, *wptr; + hwaddr rlen, wlen; + + sidx = didx = 0; + width = 1 << ((val & DMA0_CR_PW) >> 25); + rptr = cpu_physical_memory_map(dma->ch[chnl].sa, &rlen, 0); + wptr = cpu_physical_memory_map(dma->ch[chnl].da, &wlen, 1); + if (rptr && wptr) { + if (!(val & DMA0_CR_DEC) && + val & DMA0_CR_SAI && val & DMA0_CR_DAI) { + /* optimise common case */ + memmove(wptr, rptr, count * width); + sidx = didx = count * width; + } else { + /* do it the slow way */ + for (sidx = didx = i = 0; i < count; i++) { + uint64_t v = ldn_le_p(rptr + sidx, width); + stn_le_p(wptr + didx, width, v); + if (val & DMA0_CR_SAI) { + sidx += width; + } + if (val & DMA0_CR_DAI) { + didx += width; + } + } + } + } + if (wptr) { + cpu_physical_memory_unmap(wptr, wlen, 1, didx); + } + if (wptr) { + cpu_physical_memory_unmap(rptr, rlen, 0, sidx); + } + } + } + break; + case DMA0_CT: + dma->ch[chnl].ct = val; + break; + case DMA0_SAH: + dma->ch[chnl].sa &= 0xffffffffULL; + dma->ch[chnl].sa |= (uint64_t)val << 32; + break; + case DMA0_SAL: + dma->ch[chnl].sa &= 0xffffffff00000000ULL; + dma->ch[chnl].sa |= val; + break; + case DMA0_DAH: + dma->ch[chnl].da &= 0xffffffffULL; + dma->ch[chnl].da |= (uint64_t)val << 32; + break; + case DMA0_DAL: + dma->ch[chnl].da &= 0xffffffff00000000ULL; + dma->ch[chnl].da |= val; + break; + case DMA0_SGH: + dma->ch[chnl].sg &= 0xffffffffULL; + dma->ch[chnl].sg |= (uint64_t)val << 32; + break; + case DMA0_SGL: + dma->ch[chnl].sg &= 0xffffffff00000000ULL; + dma->ch[chnl].sg |= val; + break; + } + break; + case DMA0_SR: + dma->sr &= ~val; + break; + default: + qemu_log_mask(LOG_UNIMP, "%s: unimplemented register %x (%d, %x)\n", + __func__, dcrn, chnl, addr); + } +} + +static void ppc4xx_dma_reset(void *opaque) +{ + PPC4xxDmaState *dma = opaque; + int dma_base = dma->base; + + memset(dma, 0, sizeof(*dma)); + dma->base = dma_base; +} + +void ppc4xx_dma_init(CPUPPCState *env, int dcr_base) +{ + PPC4xxDmaState *dma; + int i; + + dma = g_malloc0(sizeof(*dma)); + dma->base = dcr_base; + qemu_register_reset(&ppc4xx_dma_reset, dma); + for (i = 0; i < 4; i++) { + ppc_dcr_register(env, dcr_base + i * 8 + DMA0_CR, + dma, &dcr_read_dma, &dcr_write_dma); + ppc_dcr_register(env, dcr_base + i * 8 + DMA0_CT, + dma, &dcr_read_dma, &dcr_write_dma); + ppc_dcr_register(env, dcr_base + i * 8 + DMA0_SAH, + dma, &dcr_read_dma, &dcr_write_dma); + ppc_dcr_register(env, dcr_base + i * 8 + DMA0_SAL, + dma, &dcr_read_dma, &dcr_write_dma); + ppc_dcr_register(env, dcr_base + i * 8 + DMA0_DAH, + dma, &dcr_read_dma, &dcr_write_dma); + ppc_dcr_register(env, dcr_base + i * 8 + DMA0_DAL, + dma, &dcr_read_dma, &dcr_write_dma); + ppc_dcr_register(env, dcr_base + i * 8 + DMA0_SGH, + dma, &dcr_read_dma, &dcr_write_dma); + ppc_dcr_register(env, dcr_base + i * 8 + DMA0_SGL, + dma, &dcr_read_dma, &dcr_write_dma); + } + ppc_dcr_register(env, dcr_base + DMA0_SR, + dma, &dcr_read_dma, &dcr_write_dma); + ppc_dcr_register(env, dcr_base + DMA0_SGC, + dma, &dcr_read_dma, &dcr_write_dma); + ppc_dcr_register(env, dcr_base + DMA0_SLP, + dma, &dcr_read_dma, &dcr_write_dma); + ppc_dcr_register(env, dcr_base + DMA0_POL, + dma, &dcr_read_dma, &dcr_write_dma); +} + +/*****************************************************************************/ /* PCI Express controller */ /* FIXME: This is not complete and does not work, only implemented partially * to allow firmware and guests to find an empty bus. Cards should use PCI. diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c index c7c799b843..7eed2ec601 100644 --- a/hw/ppc/sam460ex.c +++ b/hw/ppc/sam460ex.c @@ -37,6 +37,8 @@ #include "hw/i2c/smbus.h" #include "hw/usb/hcd-ehci.h" +#include <libfdt.h> + #define BINARY_DEVICE_TREE_FILE "canyonlands.dtb" #define UBOOT_FILENAME "u-boot-sam460-20100605.bin" /* to extract the official U-Boot bin from the updater: */ @@ -67,6 +69,10 @@ */ #define CPU_FREQ 1150000000 +#define PLB_FREQ 230000000 +#define OPB_FREQ 115000000 +#define EBC_FREQ 115000000 +#define UART_FREQ 11059200 #define SDRAM_NR_BANKS 4 /* FIXME: See u-boot.git 8ac41e, also fix in ppc440_uc.c */ @@ -255,6 +261,7 @@ static int sam460ex_load_device_tree(hwaddr addr, void *fdt; uint32_t tb_freq = CPU_FREQ; uint32_t clock_freq = CPU_FREQ; + int offset; filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE); if (!filename) { @@ -308,6 +315,27 @@ static int sam460ex_load_device_tree(hwaddr addr, qemu_fdt_setprop_cell(fdt, "/cpus/cpu@0", "timebase-frequency", tb_freq); + /* Remove cpm node if it exists (it is not emulated) */ + offset = fdt_path_offset(fdt, "/cpm"); + if (offset >= 0) { + fdt_nop_node(fdt, offset); + } + + /* set serial port clocks */ + offset = fdt_node_offset_by_compatible(fdt, -1, "ns16550"); + while (offset >= 0) { + fdt_setprop_cell(fdt, offset, "clock-frequency", UART_FREQ); + offset = fdt_node_offset_by_compatible(fdt, offset, "ns16550"); + } + + /* some more clocks */ + qemu_fdt_setprop_cell(fdt, "/plb", "clock-frequency", + PLB_FREQ); + qemu_fdt_setprop_cell(fdt, "/plb/opb", "clock-frequency", + OPB_FREQ); + qemu_fdt_setprop_cell(fdt, "/plb/opb/ebc", "clock-frequency", + EBC_FREQ); + rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE, fdt, fdt_size, addr); g_free(fdt); ret = fdt_size; @@ -457,6 +485,7 @@ static void sam460ex_init(MachineState *machine) object_property_set_bool(OBJECT(dev), true, "realized", NULL); smbus_eeprom_init(i2c[0]->bus, 8, smbus_eeprom_buf, smbus_eeprom_size); g_free(smbus_eeprom_buf); + i2c_create_slave(i2c[0]->bus, "m41t80", 0x68); dev = sysbus_create_simple(TYPE_PPC4xx_I2C, 0x4ef600800, uic[0][3]); i2c[1] = PPC4xx_I2C(dev); @@ -476,6 +505,9 @@ static void sam460ex_init(MachineState *machine) /* MAL */ ppc4xx_mal_init(env, 4, 16, &uic[2][3]); + /* DMA */ + ppc4xx_dma_init(env, 0x200); + /* 256K of L2 cache as memory */ ppc4xx_l2sram_init(env); /* FIXME: remove this after fixing l2sram mapping in ppc440_uc.c? */ diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 1602472165..3f5e1d3ec2 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -137,7 +137,7 @@ static ICSState *spapr_ics_create(sPAPRMachineState *spapr, goto error; } - return ICS_SIMPLE(obj); + return ICS_BASE(obj); error: error_propagate(errp, local_err); @@ -3962,6 +3962,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data) mc->no_parallel = 1; mc->default_boot_order = ""; mc->default_ram_size = 512 * MiB; + mc->default_display = "std"; mc->kvm_type = spapr_kvm_type; machine_class_allow_dynamic_sysbus_dev(mc, TYPE_SPAPR_PCI_HOST_BRIDGE); mc->pci_allow_0_address = true; @@ -4095,17 +4096,16 @@ static void spapr_machine_2_12_instance_options(MachineState *machine) static void spapr_machine_2_12_class_options(MachineClass *mc) { sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc); - uint8_t mps; spapr_machine_3_0_class_options(mc); SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_12); - if (kvmppc_hpt_needs_host_contiguous_pages()) { - mps = ctz64(qemu_getrampagesize()); - } else { - mps = 34; /* allow everything up to 16GiB, i.e. everything */ - } - smc->default_caps.caps[SPAPR_CAP_HPT_MAXPAGESIZE] = mps; + /* We depend on kvm_enabled() to choose a default value for the + * hpt-max-page-size capability. Of course we can't do it here + * because this is too early and the HW accelerator isn't initialzed + * yet. Postpone this to machine init (see default_caps_with_cpu()). + */ + smc->default_caps.caps[SPAPR_CAP_HPT_MAXPAGESIZE] = 0; } DEFINE_SPAPR_MACHINE(2_12, "2.12", false); diff --git a/hw/ppc/spapr_caps.c b/hw/ppc/spapr_caps.c index 62663ebdf5..aa605cea91 100644 --- a/hw/ppc/spapr_caps.c +++ b/hw/ppc/spapr_caps.c @@ -465,6 +465,19 @@ static sPAPRCapabilities default_caps_with_cpu(sPAPRMachineState *spapr, caps.caps[SPAPR_CAP_IBS] = SPAPR_CAP_BROKEN; } + /* This is for pseries-2.12 and older */ + if (smc->default_caps.caps[SPAPR_CAP_HPT_MAXPAGESIZE] == 0) { + uint8_t mps; + + if (kvmppc_hpt_needs_host_contiguous_pages()) { + mps = ctz64(qemu_getrampagesize()); + } else { + mps = 34; /* allow everything up to 16GiB, i.e. everything */ + } + + caps.caps[SPAPR_CAP_HPT_MAXPAGESIZE] = mps; + } + return caps; } diff --git a/hw/timer/Makefile.objs b/hw/timer/Makefile.objs index 8b27a4b7ef..e16b2b913c 100644 --- a/hw/timer/Makefile.objs +++ b/hw/timer/Makefile.objs @@ -6,6 +6,7 @@ common-obj-$(CONFIG_CADENCE) += cadence_ttc.o common-obj-$(CONFIG_DS1338) += ds1338.o common-obj-$(CONFIG_HPET) += hpet.o common-obj-$(CONFIG_I8254) += i8254_common.o i8254.o +common-obj-$(CONFIG_M41T80) += m41t80.o common-obj-$(CONFIG_M48T59) += m48t59.o ifeq ($(CONFIG_ISA_BUS),y) common-obj-$(CONFIG_M48T59) += m48t59-isa.o diff --git a/hw/timer/m41t80.c b/hw/timer/m41t80.c new file mode 100644 index 0000000000..734d7d95fc --- /dev/null +++ b/hw/timer/m41t80.c @@ -0,0 +1,117 @@ +/* + * M41T80 serial rtc emulation + * + * Copyright (c) 2018 BALATON Zoltan + * + * This work is licensed under the GNU GPL license version 2 or later. + * + */ + +#include "qemu/osdep.h" +#include "qemu/log.h" +#include "qemu/timer.h" +#include "qemu/bcd.h" +#include "hw/i2c/i2c.h" + +#define TYPE_M41T80 "m41t80" +#define M41T80(obj) OBJECT_CHECK(M41t80State, (obj), TYPE_M41T80) + +typedef struct M41t80State { + I2CSlave parent_obj; + int8_t addr; +} M41t80State; + +static void m41t80_realize(DeviceState *dev, Error **errp) +{ + M41t80State *s = M41T80(dev); + + s->addr = -1; +} + +static int m41t80_send(I2CSlave *i2c, uint8_t data) +{ + M41t80State *s = M41T80(i2c); + + if (s->addr < 0) { + s->addr = data; + } else { + s->addr++; + } + return 0; +} + +static int m41t80_recv(I2CSlave *i2c) +{ + M41t80State *s = M41T80(i2c); + struct tm now; + qemu_timeval tv; + + if (s->addr < 0) { + s->addr = 0; + } + if (s->addr >= 1 && s->addr <= 7) { + qemu_get_timedate(&now, -1); + } + switch (s->addr++) { + case 0: + qemu_gettimeofday(&tv); + return to_bcd(tv.tv_usec / 10000); + case 1: + return to_bcd(now.tm_sec); + case 2: + return to_bcd(now.tm_min); + case 3: + return to_bcd(now.tm_hour); + case 4: + return to_bcd(now.tm_wday); + case 5: + return to_bcd(now.tm_mday); + case 6: + return to_bcd(now.tm_mon + 1); + case 7: + return to_bcd(now.tm_year % 100); + case 8 ... 19: + qemu_log_mask(LOG_UNIMP, "%s: unimplemented register: %d\n", + __func__, s->addr - 1); + return 0; + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid register: %d\n", + __func__, s->addr - 1); + return 0; + } +} + +static int m41t80_event(I2CSlave *i2c, enum i2c_event event) +{ + M41t80State *s = M41T80(i2c); + + if (event == I2C_START_SEND) { + s->addr = -1; + } + return 0; +} + +static void m41t80_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + I2CSlaveClass *sc = I2C_SLAVE_CLASS(klass); + + dc->realize = m41t80_realize; + sc->send = m41t80_send; + sc->recv = m41t80_recv; + sc->event = m41t80_event; +} + +static const TypeInfo m41t80_info = { + .name = TYPE_M41T80, + .parent = TYPE_I2C_SLAVE, + .instance_size = sizeof(M41t80State), + .class_init = m41t80_class_init, +}; + +static void m41t80_register_types(void) +{ + type_register_static(&m41t80_info); +} + +type_init(m41t80_register_types) |