diff --git a/hw/ppc/ppc405.h b/hw/ppc/ppc405.h index 21f6cb3585..c75e4c7cb5 100644 --- a/hw/ppc/ppc405.h +++ b/hw/ppc/ppc405.h @@ -63,6 +63,24 @@ struct ppc4xx_bd_info_t { uint32_t bi_iic_fast[2]; }; +/* DMA controller */ +#define TYPE_PPC405_DMA "ppc405-dma" +OBJECT_DECLARE_SIMPLE_TYPE(Ppc405DmaState, PPC405_DMA); +struct Ppc405DmaState { + Ppc4xxDcrDeviceState parent_obj; + + qemu_irq irqs[4]; + uint32_t cr[4]; + uint32_t ct[4]; + uint32_t da[4]; + uint32_t sa[4]; + uint32_t sg[4]; + uint32_t sr; + uint32_t sgc; + uint32_t slp; + uint32_t pol; +}; + /* GPIO */ #define TYPE_PPC405_GPIO "ppc405-gpio" OBJECT_DECLARE_SIMPLE_TYPE(Ppc405GpioState, PPC405_GPIO); @@ -173,6 +191,7 @@ struct Ppc405SoCState { Ppc405GptState gpt; Ppc405OcmState ocm; Ppc405GpioState gpio; + Ppc405DmaState dma; }; /* PowerPC 405 core */ diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c index 3f4a5b36f5..3845c0fec1 100644 --- a/hw/ppc/ppc405_uc.c +++ b/hw/ppc/ppc405_uc.c @@ -613,35 +613,20 @@ enum { DMA0_POL = 0x126, }; -typedef struct ppc405_dma_t ppc405_dma_t; -struct ppc405_dma_t { - qemu_irq irqs[4]; - uint32_t cr[4]; - uint32_t ct[4]; - uint32_t da[4]; - uint32_t sa[4]; - uint32_t sg[4]; - uint32_t sr; - uint32_t sgc; - uint32_t slp; - uint32_t pol; -}; - -static uint32_t dcr_read_dma (void *opaque, int dcrn) +static uint32_t dcr_read_dma(void *opaque, int dcrn) { return 0; } -static void dcr_write_dma (void *opaque, int dcrn, uint32_t val) +static void dcr_write_dma(void *opaque, int dcrn, uint32_t val) { } -static void ppc405_dma_reset (void *opaque) +static void ppc405_dma_reset(DeviceState *dev) { - ppc405_dma_t *dma; + Ppc405DmaState *dma = PPC405_DMA(dev); int i; - dma = opaque; for (i = 0; i < 4; i++) { dma->cr[i] = 0x00000000; dma->ct[i] = 0x00000000; @@ -655,61 +640,50 @@ static void ppc405_dma_reset (void *opaque) dma->pol = 0x00000000; } -static void ppc405_dma_init(CPUPPCState *env, qemu_irq irqs[4]) +static void ppc405_dma_realize(DeviceState *dev, Error **errp) { - ppc405_dma_t *dma; + Ppc405DmaState *dma = PPC405_DMA(dev); + Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev); + int i; - dma = g_new0(ppc405_dma_t, 1); - memcpy(dma->irqs, irqs, 4 * sizeof(qemu_irq)); - qemu_register_reset(&ppc405_dma_reset, dma); - ppc_dcr_register(env, DMA0_CR0, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_CT0, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_DA0, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_SA0, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_SG0, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_CR1, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_CT1, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_DA1, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_SA1, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_SG1, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_CR2, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_CT2, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_DA2, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_SA2, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_SG2, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_CR3, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_CT3, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_DA3, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_SA3, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_SG3, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_SR, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_SGC, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_SLP, - dma, &dcr_read_dma, &dcr_write_dma); - ppc_dcr_register(env, DMA0_POL, - dma, &dcr_read_dma, &dcr_write_dma); + for (i = 0; i < ARRAY_SIZE(dma->irqs); i++) { + sysbus_init_irq(SYS_BUS_DEVICE(dma), &dma->irqs[i]); + } + + ppc4xx_dcr_register(dcr, DMA0_CR0, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_CT0, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_DA0, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_SA0, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_SG0, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_CR1, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_CT1, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_DA1, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_SA1, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_SG1, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_CR2, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_CT2, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_DA2, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_SA2, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_SG2, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_CR3, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_CT3, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_DA3, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_SA3, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_SG3, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_SR, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_SGC, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_SLP, dma, &dcr_read_dma, &dcr_write_dma); + ppc4xx_dcr_register(dcr, DMA0_POL, dma, &dcr_read_dma, &dcr_write_dma); +} + +static void ppc405_dma_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + dc->realize = ppc405_dma_realize; + dc->reset = ppc405_dma_reset; + /* Reason: only works as function of a ppc4xx SoC */ + dc->user_creatable = false; } /*****************************************************************************/ @@ -1402,6 +1376,8 @@ static void ppc405_soc_instance_init(Object *obj) object_initialize_child(obj, "ocm", &s->ocm, TYPE_PPC405_OCM); object_initialize_child(obj, "gpio", &s->gpio, TYPE_PPC405_GPIO); + + object_initialize_child(obj, "dma", &s->dma, TYPE_PPC405_DMA); } static void ppc405_reset(void *opaque) @@ -1412,7 +1388,7 @@ static void ppc405_reset(void *opaque) static void ppc405_soc_realize(DeviceState *dev, Error **errp) { Ppc405SoCState *s = PPC405_SOC(dev); - qemu_irq dma_irqs[4], mal_irqs[4]; + qemu_irq mal_irqs[4]; CPUPPCState *env; SysBusDevice *sbd; int i; @@ -1471,11 +1447,13 @@ static void ppc405_soc_realize(DeviceState *dev, Error **errp) ppc405_ebc_init(env); /* DMA controller */ - dma_irqs[0] = qdev_get_gpio_in(s->uic, 5); - dma_irqs[1] = qdev_get_gpio_in(s->uic, 6); - dma_irqs[2] = qdev_get_gpio_in(s->uic, 7); - dma_irqs[3] = qdev_get_gpio_in(s->uic, 8); - ppc405_dma_init(env, dma_irqs); + if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->dma), &s->cpu, errp)) { + return; + } + sbd = SYS_BUS_DEVICE(&s->dma); + for (i = 0; i < ARRAY_SIZE(s->dma.irqs); i++) { + sysbus_connect_irq(sbd, i, qdev_get_gpio_in(s->uic, 5 + i)); + } /* I2C controller */ sysbus_create_simple(TYPE_PPC4xx_I2C, 0xef600500, @@ -1548,6 +1526,11 @@ static void ppc405_soc_class_init(ObjectClass *oc, void *data) static const TypeInfo ppc405_types[] = { { + .name = TYPE_PPC405_DMA, + .parent = TYPE_PPC4xx_DCR_DEVICE, + .instance_size = sizeof(Ppc405DmaState), + .class_init = ppc405_dma_class_init, + }, { .name = TYPE_PPC405_GPIO, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(Ppc405GpioState),