From 2a4d6af51b8330bfd7a7dd677927b8dd2f5f5f08 Mon Sep 17 00:00:00 2001 From: Mark Cave-Ayland Date: Thu, 21 Dec 2017 07:32:57 +0000 Subject: apb: use gpios to wire up the apb device to the SPARC CPU IRQs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mark Cave-Ayland Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Artyom Tarasenko --- hw/pci-host/apb.c | 6 ++---- hw/sparc64/sparc64.c | 2 ++ hw/sparc64/sun4u.c | 12 ++++++++---- 3 files changed, 12 insertions(+), 8 deletions(-) (limited to 'hw') diff --git a/hw/pci-host/apb.c b/hw/pci-host/apb.c index 0c70999..c0b97e4 100644 --- a/hw/pci-host/apb.c +++ b/hw/pci-host/apb.c @@ -79,7 +79,6 @@ do { printf("IOMMU: " fmt , ## __VA_ARGS__); } while (0) #define RESET_WCMASK 0x98000000 #define RESET_WMASK 0x60000000 -#define MAX_IVEC 0x40 #define NO_IRQ_REQUEST (MAX_IVEC + 1) static inline void pbm_set_request(APBState *s, unsigned int irq_num) @@ -614,7 +613,7 @@ static void apb_pci_bridge_realize(PCIDevice *dev, Error **errp) APBState *pci_apb_init(hwaddr special_base, hwaddr mem_base, - qemu_irq *ivec_irqs, PCIBus **busA, PCIBus **busB) + PCIBus **busA, PCIBus **busB) { DeviceState *dev; SysBusDevice *s; @@ -645,8 +644,6 @@ APBState *pci_apb_init(hwaddr special_base, memory_region_init(&d->pci_mmio, OBJECT(s), "pci-mmio", 0x100000000ULL); memory_region_add_subregion(get_system_memory(), mem_base, &d->pci_mmio); - d->ivec_irqs = ivec_irqs; - pci_create_simple(phb->bus, 0, "pbm-pci"); /* APB IOMMU */ @@ -721,6 +718,7 @@ static int pci_pbm_init_device(DeviceState *dev) 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_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/sparc64.c b/hw/sparc64/sparc64.c index 9453e2c..95a06f0 100644 --- a/hw/sparc64/sparc64.c +++ b/hw/sparc64/sparc64.c @@ -350,6 +350,8 @@ SPARCCPU *sparc64_cpu_devinit(const char *cpu_type, uint64_t prom_addr) uint32_t hstick_frequency = 100 * 1000000; cpu = SPARC_CPU(cpu_create(cpu_type)); + qdev_init_gpio_in_named(DEVICE(cpu), sparc64_cpu_set_ivec_irq, + "ivec-irq", IVEC_MAX); env = &cpu->env; env->tick = cpu_timer_create("tick", cpu, tick_irq, diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c index a64ddc5..2afd3f2 100644 --- a/hw/sparc64/sun4u.c +++ b/hw/sparc64/sun4u.c @@ -486,7 +486,6 @@ static void sun4uv_init(MemoryRegion *address_space_mem, PCIBus *pci_bus, *pci_busA, *pci_busB; PCIDevice *ebus, *pci_dev; SysBusDevice *s; - qemu_irq *ivec_irqs; DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; DeviceState *dev; FWCfgState *fw_cfg; @@ -502,9 +501,14 @@ static void sun4uv_init(MemoryRegion *address_space_mem, prom_init(hwdef->prom_addr, bios_name); - ivec_irqs = qemu_allocate_irqs(sparc64_cpu_set_ivec_irq, cpu, IVEC_MAX); - apb = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, ivec_irqs, &pci_busA, - &pci_busB); + apb = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, &pci_busA, &pci_busB); + + /* Wire up PCI interrupts to CPU */ + for (i = 0; i < IVEC_MAX; i++) { + qdev_connect_gpio_out_named(DEVICE(apb), "ivec-irq", i, + qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i)); + } + pci_bus = PCI_HOST_BRIDGE(apb)->bus; /* Only in-built Simba PBMs can exist on the root bus, slot 0 on busA is -- cgit v1.1