Message ID | 20220801131039.1693913-13-clg@kaod.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | ppc: QOM'ify 405 board | expand |
On 8/1/22 10:10, Cédric Le Goater wrote: > Signed-off-by: Cédric Le Goater <clg@kaod.org> > --- Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com> > hw/ppc/ppc405.h | 16 +++++++++++ > hw/ppc/ppc405_uc.c | 71 +++++++++++++++++++++++++++++++--------------- > 2 files changed, 64 insertions(+), 23 deletions(-) > > diff --git a/hw/ppc/ppc405.h b/hw/ppc/ppc405.h > index bd662b2444ff..f1acb37185f5 100644 > --- a/hw/ppc/ppc405.h > +++ b/hw/ppc/ppc405.h > @@ -65,7 +65,22 @@ struct ppc4xx_bd_info_t { > > typedef struct Ppc405SoCState Ppc405SoCState; > > +/* Peripheral controller */ > +#define TYPE_PPC405_EBC "ppc405-ebc" > +OBJECT_DECLARE_SIMPLE_TYPE(Ppc405EbcState, PPC405_EBC); > +struct Ppc405EbcState { > + DeviceState parent_obj; > + > + PowerPCCPU *cpu; > > + uint32_t addr; > + uint32_t bcr[8]; > + uint32_t bap[8]; > + uint32_t bear; > + uint32_t besr0; > + uint32_t besr1; > + uint32_t cfg; > +}; > > /* DMA controller */ > #define TYPE_PPC405_DMA "ppc405-dma" > @@ -203,6 +218,7 @@ struct Ppc405SoCState { > Ppc405OcmState ocm; > Ppc405GpioState gpio; > Ppc405DmaState dma; > + Ppc405EbcState ebc; > }; > > /* PowerPC 405 core */ > diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c > index 2978a2665a4f..8d73b8c2dff0 100644 > --- a/hw/ppc/ppc405_uc.c > +++ b/hw/ppc/ppc405_uc.c > @@ -393,17 +393,6 @@ static void ppc4xx_opba_init(hwaddr base) > > /*****************************************************************************/ > /* Peripheral controller */ > -typedef struct ppc4xx_ebc_t ppc4xx_ebc_t; > -struct ppc4xx_ebc_t { > - uint32_t addr; > - uint32_t bcr[8]; > - uint32_t bap[8]; > - uint32_t bear; > - uint32_t besr0; > - uint32_t besr1; > - uint32_t cfg; > -}; > - > enum { > EBC0_CFGADDR = 0x012, > EBC0_CFGDATA = 0x013, > @@ -411,10 +400,9 @@ enum { > > static uint32_t dcr_read_ebc (void *opaque, int dcrn) > { > - ppc4xx_ebc_t *ebc; > + Ppc405EbcState *ebc = PPC405_EBC(opaque); > uint32_t ret; > > - ebc = opaque; > switch (dcrn) { > case EBC0_CFGADDR: > ret = ebc->addr; > @@ -496,9 +484,8 @@ static uint32_t dcr_read_ebc (void *opaque, int dcrn) > > static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val) > { > - ppc4xx_ebc_t *ebc; > + Ppc405EbcState *ebc = PPC405_EBC(opaque); > > - ebc = opaque; > switch (dcrn) { > case EBC0_CFGADDR: > ebc->addr = val; > @@ -554,12 +541,11 @@ static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val) > } > } > > -static void ebc_reset (void *opaque) > +static void ppc405_ebc_reset(DeviceState *dev) > { > - ppc4xx_ebc_t *ebc; > + Ppc405EbcState *ebc = PPC405_EBC(dev); > int i; > > - ebc = opaque; > ebc->addr = 0x00000000; > ebc->bap[0] = 0x7F8FFE80; > ebc->bcr[0] = 0xFFE28000; > @@ -572,18 +558,46 @@ static void ebc_reset (void *opaque) > ebc->cfg = 0x80400000; > } > > -void ppc405_ebc_init(CPUPPCState *env) > +static void ppc405_ebc_realize(DeviceState *dev, Error **errp) > { > - ppc4xx_ebc_t *ebc; > + Ppc405EbcState *ebc = PPC405_EBC(dev); > + CPUPPCState *env; > + > + assert(ebc->cpu); > + > + env = &ebc->cpu->env; > > - ebc = g_new0(ppc4xx_ebc_t, 1); > - qemu_register_reset(&ebc_reset, ebc); > ppc_dcr_register(env, EBC0_CFGADDR, > ebc, &dcr_read_ebc, &dcr_write_ebc); > ppc_dcr_register(env, EBC0_CFGDATA, > ebc, &dcr_read_ebc, &dcr_write_ebc); > } > > +static Property ppc405_ebc_properties[] = { > + DEFINE_PROP_LINK("cpu", Ppc405EbcState, cpu, TYPE_POWERPC_CPU, > + PowerPCCPU *), > + DEFINE_PROP_END_OF_LIST(), > +}; > + > +static void ppc405_ebc_class_init(ObjectClass *oc, void *data) > +{ > + DeviceClass *dc = DEVICE_CLASS(oc); > + > + dc->realize = ppc405_ebc_realize; > + dc->user_creatable = false; > + dc->reset = ppc405_ebc_reset; > + device_class_set_props(dc, ppc405_ebc_properties); > +} > + > +void ppc405_ebc_init(CPUPPCState *env) > +{ > + PowerPCCPU *cpu = env_archcpu(env); > + DeviceState *dev = qdev_new(TYPE_PPC405_EBC); > + > + object_property_set_link(OBJECT(cpu), "cpu", OBJECT(dev), &error_abort); > + qdev_realize_and_unref(dev, NULL, &error_fatal); > +} > + > /*****************************************************************************/ > /* DMA controller */ > enum { > @@ -1418,6 +1432,8 @@ static void ppc405_soc_instance_init(Object *obj) > object_initialize_child(obj, "gpio", &s->gpio, TYPE_PPC405_GPIO); > > object_initialize_child(obj, "dma", &s->dma, TYPE_PPC405_DMA); > + > + object_initialize_child(obj, "ebc", &s->ebc, TYPE_PPC405_EBC); > } > > static void ppc405_soc_realize(DeviceState *dev, Error **errp) > @@ -1492,7 +1508,11 @@ static void ppc405_soc_realize(DeviceState *dev, Error **errp) > s->ram_bases, s->ram_sizes, s->do_dram_init); > > /* External bus controller */ > - ppc405_ebc_init(env); > + object_property_set_link(OBJECT(&s->ebc), "cpu", OBJECT(&s->cpu), > + &error_abort); > + if (!qdev_realize(DEVICE(&s->ebc), NULL, errp)) { > + return; > + } > > /* DMA controller */ > object_property_set_link(OBJECT(&s->dma), "cpu", OBJECT(&s->cpu), > @@ -1578,6 +1598,11 @@ static void ppc405_soc_class_init(ObjectClass *oc, void *data) > > static const TypeInfo ppc405_types[] = { > { > + .name = TYPE_PPC405_EBC, > + .parent = TYPE_DEVICE, > + .instance_size = sizeof(Ppc405EbcState), > + .class_init = ppc405_ebc_class_init, > + }, { > .name = TYPE_PPC405_DMA, > .parent = TYPE_SYS_BUS_DEVICE, > .instance_size = sizeof(Ppc405DmaState),
diff --git a/hw/ppc/ppc405.h b/hw/ppc/ppc405.h index bd662b2444ff..f1acb37185f5 100644 --- a/hw/ppc/ppc405.h +++ b/hw/ppc/ppc405.h @@ -65,7 +65,22 @@ struct ppc4xx_bd_info_t { typedef struct Ppc405SoCState Ppc405SoCState; +/* Peripheral controller */ +#define TYPE_PPC405_EBC "ppc405-ebc" +OBJECT_DECLARE_SIMPLE_TYPE(Ppc405EbcState, PPC405_EBC); +struct Ppc405EbcState { + DeviceState parent_obj; + + PowerPCCPU *cpu; + uint32_t addr; + uint32_t bcr[8]; + uint32_t bap[8]; + uint32_t bear; + uint32_t besr0; + uint32_t besr1; + uint32_t cfg; +}; /* DMA controller */ #define TYPE_PPC405_DMA "ppc405-dma" @@ -203,6 +218,7 @@ struct Ppc405SoCState { Ppc405OcmState ocm; Ppc405GpioState gpio; Ppc405DmaState dma; + Ppc405EbcState ebc; }; /* PowerPC 405 core */ diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c index 2978a2665a4f..8d73b8c2dff0 100644 --- a/hw/ppc/ppc405_uc.c +++ b/hw/ppc/ppc405_uc.c @@ -393,17 +393,6 @@ static void ppc4xx_opba_init(hwaddr base) /*****************************************************************************/ /* Peripheral controller */ -typedef struct ppc4xx_ebc_t ppc4xx_ebc_t; -struct ppc4xx_ebc_t { - uint32_t addr; - uint32_t bcr[8]; - uint32_t bap[8]; - uint32_t bear; - uint32_t besr0; - uint32_t besr1; - uint32_t cfg; -}; - enum { EBC0_CFGADDR = 0x012, EBC0_CFGDATA = 0x013, @@ -411,10 +400,9 @@ enum { static uint32_t dcr_read_ebc (void *opaque, int dcrn) { - ppc4xx_ebc_t *ebc; + Ppc405EbcState *ebc = PPC405_EBC(opaque); uint32_t ret; - ebc = opaque; switch (dcrn) { case EBC0_CFGADDR: ret = ebc->addr; @@ -496,9 +484,8 @@ static uint32_t dcr_read_ebc (void *opaque, int dcrn) static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val) { - ppc4xx_ebc_t *ebc; + Ppc405EbcState *ebc = PPC405_EBC(opaque); - ebc = opaque; switch (dcrn) { case EBC0_CFGADDR: ebc->addr = val; @@ -554,12 +541,11 @@ static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val) } } -static void ebc_reset (void *opaque) +static void ppc405_ebc_reset(DeviceState *dev) { - ppc4xx_ebc_t *ebc; + Ppc405EbcState *ebc = PPC405_EBC(dev); int i; - ebc = opaque; ebc->addr = 0x00000000; ebc->bap[0] = 0x7F8FFE80; ebc->bcr[0] = 0xFFE28000; @@ -572,18 +558,46 @@ static void ebc_reset (void *opaque) ebc->cfg = 0x80400000; } -void ppc405_ebc_init(CPUPPCState *env) +static void ppc405_ebc_realize(DeviceState *dev, Error **errp) { - ppc4xx_ebc_t *ebc; + Ppc405EbcState *ebc = PPC405_EBC(dev); + CPUPPCState *env; + + assert(ebc->cpu); + + env = &ebc->cpu->env; - ebc = g_new0(ppc4xx_ebc_t, 1); - qemu_register_reset(&ebc_reset, ebc); ppc_dcr_register(env, EBC0_CFGADDR, ebc, &dcr_read_ebc, &dcr_write_ebc); ppc_dcr_register(env, EBC0_CFGDATA, ebc, &dcr_read_ebc, &dcr_write_ebc); } +static Property ppc405_ebc_properties[] = { + DEFINE_PROP_LINK("cpu", Ppc405EbcState, cpu, TYPE_POWERPC_CPU, + PowerPCCPU *), + DEFINE_PROP_END_OF_LIST(), +}; + +static void ppc405_ebc_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + dc->realize = ppc405_ebc_realize; + dc->user_creatable = false; + dc->reset = ppc405_ebc_reset; + device_class_set_props(dc, ppc405_ebc_properties); +} + +void ppc405_ebc_init(CPUPPCState *env) +{ + PowerPCCPU *cpu = env_archcpu(env); + DeviceState *dev = qdev_new(TYPE_PPC405_EBC); + + object_property_set_link(OBJECT(cpu), "cpu", OBJECT(dev), &error_abort); + qdev_realize_and_unref(dev, NULL, &error_fatal); +} + /*****************************************************************************/ /* DMA controller */ enum { @@ -1418,6 +1432,8 @@ static void ppc405_soc_instance_init(Object *obj) object_initialize_child(obj, "gpio", &s->gpio, TYPE_PPC405_GPIO); object_initialize_child(obj, "dma", &s->dma, TYPE_PPC405_DMA); + + object_initialize_child(obj, "ebc", &s->ebc, TYPE_PPC405_EBC); } static void ppc405_soc_realize(DeviceState *dev, Error **errp) @@ -1492,7 +1508,11 @@ static void ppc405_soc_realize(DeviceState *dev, Error **errp) s->ram_bases, s->ram_sizes, s->do_dram_init); /* External bus controller */ - ppc405_ebc_init(env); + object_property_set_link(OBJECT(&s->ebc), "cpu", OBJECT(&s->cpu), + &error_abort); + if (!qdev_realize(DEVICE(&s->ebc), NULL, errp)) { + return; + } /* DMA controller */ object_property_set_link(OBJECT(&s->dma), "cpu", OBJECT(&s->cpu), @@ -1578,6 +1598,11 @@ static void ppc405_soc_class_init(ObjectClass *oc, void *data) static const TypeInfo ppc405_types[] = { { + .name = TYPE_PPC405_EBC, + .parent = TYPE_DEVICE, + .instance_size = sizeof(Ppc405EbcState), + .class_init = ppc405_ebc_class_init, + }, { .name = TYPE_PPC405_DMA, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(Ppc405DmaState),
Signed-off-by: Cédric Le Goater <clg@kaod.org> --- hw/ppc/ppc405.h | 16 +++++++++++ hw/ppc/ppc405_uc.c | 71 +++++++++++++++++++++++++++++++--------------- 2 files changed, 64 insertions(+), 23 deletions(-)