diff options
| -rw-r--r-- | hw/pci-host/apb.c | 2 | ||||
| -rw-r--r-- | hw/sparc64/sun4u.c | 49 | ||||
| -rw-r--r-- | include/hw/pci-host/apb.h | 8 |
3 files changed, 33 insertions, 26 deletions
diff --git a/hw/pci-host/apb.c b/hw/pci-host/apb.c index 5562f1a..54edbdd 100644 --- a/hw/pci-host/apb.c +++ b/hw/pci-host/apb.c @@ -703,7 +703,7 @@ static void pci_pbm_init(Object *obj) for (i = 0; i < 32; i++) { s->obio_irq_map[i] = ((0x1f << 6) | 0x20) + i; } - s->pbm_irqs = qemu_allocate_irqs(pci_apb_set_irq, s, MAX_IVEC); + qdev_init_gpio_in_named(DEVICE(s), pci_apb_set_irq, "pbm-irq", MAX_IVEC); qdev_init_gpio_out_named(DEVICE(s), s->ivec_irqs, "ivec-irq", MAX_IVEC); s->irq_request = NO_IRQ_REQUEST; s->pci_irq_in = 0ULL; diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c index 0a30fb8..1456c33 100644 --- a/hw/sparc64/sun4u.c +++ b/hw/sparc64/sun4u.c @@ -86,6 +86,7 @@ typedef struct EbusState { PCIDevice parent_obj; ISABus *isa_bus; + qemu_irq isa_bus_irqs[ISA_NUM_IRQS]; uint64_t console_serial_base; MemoryRegion bar0; MemoryRegion bar1; @@ -211,23 +212,15 @@ typedef struct ResetData { uint64_t prom_addr; } ResetData; -static void isa_irq_handler(void *opaque, int n, int level) +static void ebus_isa_irq_handler(void *opaque, int n, int level) { - static const int isa_irq_to_ivec[16] = { - [1] = 0x29, /* keyboard */ - [4] = 0x2b, /* serial */ - [6] = 0x27, /* floppy */ - [7] = 0x22, /* parallel */ - [12] = 0x2a, /* mouse */ - }; - qemu_irq *irqs = opaque; - int ivec; - - assert(n < ARRAY_SIZE(isa_irq_to_ivec)); - ivec = isa_irq_to_ivec[n]; - EBUS_DPRINTF("Set ISA IRQ %d level %d -> ivec 0x%x\n", n, level, ivec); - if (ivec) { - qemu_set_irq(irqs[ivec], level); + EbusState *s = EBUS(opaque); + qemu_irq irq = s->isa_bus_irqs[n]; + + /* Pass ISA bus IRQs onto their gpio equivalent */ + EBUS_DPRINTF("Set ISA IRQ %d level %d\n", n, level); + if (irq) { + qemu_set_irq(irq, level); } } @@ -235,7 +228,6 @@ static void isa_irq_handler(void *opaque, int n, int level) static void ebus_realize(PCIDevice *pci_dev, Error **errp) { EbusState *s = EBUS(pci_dev); - APBState *apb; DeviceState *dev; qemu_irq *isa_irq; DriveInfo *fd[MAX_FD]; @@ -248,14 +240,11 @@ static void ebus_realize(PCIDevice *pci_dev, Error **errp) return; } - apb = APB_DEVICE(object_resolve_path_type("", TYPE_APB, NULL)); - if (!apb) { - error_setg(errp, "unable to locate APB PCI host bridge"); - return; - } - - isa_irq = qemu_allocate_irqs(isa_irq_handler, apb->pbm_irqs, 16); + /* ISA bus */ + isa_irq = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS); isa_bus_irqs(s->isa_bus, isa_irq); + qdev_init_gpio_out_named(DEVICE(s), s->isa_bus_irqs, "isa-irq", + ISA_NUM_IRQS); /* Serial ports */ i = 0; @@ -530,6 +519,18 @@ static void sun4uv_init(MemoryRegion *address_space_mem, hwdef->console_serial_base); qdev_init_nofail(DEVICE(ebus)); + /* Wire up "well-known" ISA IRQs to APB legacy obio IRQs */ + qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 7, + qdev_get_gpio_in_named(DEVICE(apb), "pbm-irq", OBIO_LPT_IRQ)); + qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 6, + qdev_get_gpio_in_named(DEVICE(apb), "pbm-irq", OBIO_FDD_IRQ)); + qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 1, + qdev_get_gpio_in_named(DEVICE(apb), "pbm-irq", OBIO_KBD_IRQ)); + qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 12, + qdev_get_gpio_in_named(DEVICE(apb), "pbm-irq", OBIO_MSE_IRQ)); + qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 4, + qdev_get_gpio_in_named(DEVICE(apb), "pbm-irq", OBIO_SER_IRQ)); + pci_dev = pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA"); memset(&macaddr, 0, sizeof(MACAddr)); diff --git a/include/hw/pci-host/apb.h b/include/hw/pci-host/apb.h index dd49437..09ebd53 100644 --- a/include/hw/pci-host/apb.h +++ b/include/hw/pci-host/apb.h @@ -52,6 +52,13 @@ typedef struct IOMMUState { #define MAX_IVEC 0x40 +/* OBIO IVEC IRQs */ +#define OBIO_LPT_IRQ 0x22 +#define OBIO_FDD_IRQ 0x27 +#define OBIO_KBD_IRQ 0x29 +#define OBIO_MSE_IRQ 0x2a +#define OBIO_SER_IRQ 0x2b + #define TYPE_APB "pbm" #define APB_DEVICE(obj) \ @@ -76,7 +83,6 @@ typedef struct APBState { uint32_t pci_irq_map[8]; uint32_t pci_err_irq_map[4]; uint32_t obio_irq_map[32]; - qemu_irq *pbm_irqs; qemu_irq ivec_irqs[MAX_IVEC]; unsigned int irq_request; uint32_t reset_control; |