mirror of https://gitlab.com/qemu-project/qemu
hw/microblaze/zynqmp: Let the SoC manage the IPI devices
The Inter Processor Interrupt is a block part of the SoC, not the "machine" (See Zynq UltraScale+ Device TRM UG1085, "Platform Management Unit", Power Domains and Islands). Move the IPI management from the machine to the SoC. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190507163416.24647-13-philmd@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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@ -68,6 +68,13 @@ static void xlnx_zynqmp_pmu_soc_init(Object *obj)
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sysbus_init_child_obj(obj, "intc", &s->intc, sizeof(s->intc),
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sysbus_init_child_obj(obj, "intc", &s->intc, sizeof(s->intc),
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TYPE_XLNX_PMU_IO_INTC);
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TYPE_XLNX_PMU_IO_INTC);
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/* Create the IPI device */
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for (int i = 0; i < XLNX_ZYNQMP_PMU_NUM_IPIS; i++) {
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object_initialize(&s->ipi[i], sizeof(XlnxZynqMPIPI),
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TYPE_XLNX_ZYNQMP_IPI);
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qdev_set_parent_bus(DEVICE(&s->ipi[i]), sysbus_get_default());
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}
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}
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}
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static void xlnx_zynqmp_pmu_soc_realize(DeviceState *dev, Error **errp)
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static void xlnx_zynqmp_pmu_soc_realize(DeviceState *dev, Error **errp)
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@ -113,6 +120,15 @@ static void xlnx_zynqmp_pmu_soc_realize(DeviceState *dev, Error **errp)
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sysbus_mmio_map(SYS_BUS_DEVICE(&s->intc), 0, XLNX_ZYNQMP_PMU_INTC_ADDR);
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sysbus_mmio_map(SYS_BUS_DEVICE(&s->intc), 0, XLNX_ZYNQMP_PMU_INTC_ADDR);
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sysbus_connect_irq(SYS_BUS_DEVICE(&s->intc), 0,
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sysbus_connect_irq(SYS_BUS_DEVICE(&s->intc), 0,
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qdev_get_gpio_in(DEVICE(&s->cpu), MB_CPU_IRQ));
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qdev_get_gpio_in(DEVICE(&s->cpu), MB_CPU_IRQ));
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/* Connect the IPI device */
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for (int i = 0; i < XLNX_ZYNQMP_PMU_NUM_IPIS; i++) {
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object_property_set_bool(OBJECT(&s->ipi[i]), true, "realized",
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&error_abort);
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sysbus_mmio_map(SYS_BUS_DEVICE(&s->ipi[i]), 0, ipi_addr[i]);
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sysbus_connect_irq(SYS_BUS_DEVICE(&s->ipi[i]), 0,
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qdev_get_gpio_in(DEVICE(&s->intc), ipi_irq[i]));
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}
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}
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}
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static void xlnx_zynqmp_pmu_soc_class_init(ObjectClass *oc, void *data)
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static void xlnx_zynqmp_pmu_soc_class_init(ObjectClass *oc, void *data)
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@ -145,8 +161,6 @@ static void xlnx_zynqmp_pmu_init(MachineState *machine)
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MemoryRegion *address_space_mem = get_system_memory();
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MemoryRegion *address_space_mem = get_system_memory();
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MemoryRegion *pmu_rom = g_new(MemoryRegion, 1);
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MemoryRegion *pmu_rom = g_new(MemoryRegion, 1);
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MemoryRegion *pmu_ram = g_new(MemoryRegion, 1);
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MemoryRegion *pmu_ram = g_new(MemoryRegion, 1);
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qemu_irq irq[32];
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int i;
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/* Create the ROM */
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/* Create the ROM */
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memory_region_init_rom(pmu_rom, NULL, "xlnx-zynqmp-pmu.rom",
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memory_region_init_rom(pmu_rom, NULL, "xlnx-zynqmp-pmu.rom",
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@ -166,24 +180,6 @@ static void xlnx_zynqmp_pmu_init(MachineState *machine)
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&error_abort);
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&error_abort);
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object_property_set_bool(OBJECT(pmu), true, "realized", &error_fatal);
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object_property_set_bool(OBJECT(pmu), true, "realized", &error_fatal);
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for (i = 0; i < 32; i++) {
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irq[i] = qdev_get_gpio_in(DEVICE(&pmu->intc), i);
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}
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/* Create and connect the IPI device */
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for (i = 0; i < XLNX_ZYNQMP_PMU_NUM_IPIS; i++) {
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object_initialize(&pmu->ipi[i], sizeof(XlnxZynqMPIPI),
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TYPE_XLNX_ZYNQMP_IPI);
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qdev_set_parent_bus(DEVICE(&pmu->ipi[i]), sysbus_get_default());
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}
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for (i = 0; i < XLNX_ZYNQMP_PMU_NUM_IPIS; i++) {
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object_property_set_bool(OBJECT(&pmu->ipi[i]), true, "realized",
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&error_abort);
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sysbus_mmio_map(SYS_BUS_DEVICE(&pmu->ipi[i]), 0, ipi_addr[i]);
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sysbus_connect_irq(SYS_BUS_DEVICE(&pmu->ipi[i]), 0, irq[ipi_irq[i]]);
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}
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/* Load the kernel */
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/* Load the kernel */
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microblaze_load_kernel(&pmu->cpu, XLNX_ZYNQMP_PMU_RAM_ADDR,
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microblaze_load_kernel(&pmu->cpu, XLNX_ZYNQMP_PMU_RAM_ADDR,
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machine->ram_size,
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machine->ram_size,
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