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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>
This commit is contained in:
Philippe Mathieu-Daudé 2019-05-07 18:34:12 +02:00 committed by Eduardo Habkost
parent a8ae92e0ee
commit da4aeff9b3
1 changed files with 16 additions and 20 deletions
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36
hw/microblaze/xlnx-zynqmp-pmu.c
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@ -68,6 +68,13 @@ static void xlnx_zynqmp_pmu_soc_init(Object *obj)
sysbus_init_child_obj(obj, "intc", &s->intc, sizeof(s->intc),
TYPE_XLNX_PMU_IO_INTC);
/* Create the IPI device */
for (int i = 0; i < XLNX_ZYNQMP_PMU_NUM_IPIS; i++) {
object_initialize(&s->ipi[i], sizeof(XlnxZynqMPIPI),
TYPE_XLNX_ZYNQMP_IPI);
qdev_set_parent_bus(DEVICE(&s->ipi[i]), sysbus_get_default());
}
}
static void xlnx_zynqmp_pmu_soc_realize(DeviceState *dev, Error **errp)
@ -113,6 +120,15 @@ static void xlnx_zynqmp_pmu_soc_realize(DeviceState *dev, Error **errp)
sysbus_mmio_map(SYS_BUS_DEVICE(&s->intc), 0, XLNX_ZYNQMP_PMU_INTC_ADDR);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->intc), 0,
qdev_get_gpio_in(DEVICE(&s->cpu), MB_CPU_IRQ));
/* Connect the IPI device */
for (int i = 0; i < XLNX_ZYNQMP_PMU_NUM_IPIS; i++) {
object_property_set_bool(OBJECT(&s->ipi[i]), true, "realized",
&error_abort);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->ipi[i]), 0, ipi_addr[i]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->ipi[i]), 0,
qdev_get_gpio_in(DEVICE(&s->intc), ipi_irq[i]));
}
}
static void xlnx_zynqmp_pmu_soc_class_init(ObjectClass *oc, void *data)
@ -145,8 +161,6 @@ static void xlnx_zynqmp_pmu_init(MachineState *machine)
MemoryRegion *address_space_mem = get_system_memory();
MemoryRegion *pmu_rom = g_new(MemoryRegion, 1);
MemoryRegion *pmu_ram = g_new(MemoryRegion, 1);
qemu_irq irq[32];
int i;
/* Create the ROM */
memory_region_init_rom(pmu_rom, NULL, "xlnx-zynqmp-pmu.rom",
@ -166,24 +180,6 @@ static void xlnx_zynqmp_pmu_init(MachineState *machine)
&error_abort);
object_property_set_bool(OBJECT(pmu), true, "realized", &error_fatal);
for (i = 0; i < 32; i++) {
irq[i] = qdev_get_gpio_in(DEVICE(&pmu->intc), i);
}
/* Create and connect the IPI device */
for (i = 0; i < XLNX_ZYNQMP_PMU_NUM_IPIS; i++) {
object_initialize(&pmu->ipi[i], sizeof(XlnxZynqMPIPI),
TYPE_XLNX_ZYNQMP_IPI);
qdev_set_parent_bus(DEVICE(&pmu->ipi[i]), sysbus_get_default());
}
for (i = 0; i < XLNX_ZYNQMP_PMU_NUM_IPIS; i++) {
object_property_set_bool(OBJECT(&pmu->ipi[i]), true, "realized",
&error_abort);
sysbus_mmio_map(SYS_BUS_DEVICE(&pmu->ipi[i]), 0, ipi_addr[i]);
sysbus_connect_irq(SYS_BUS_DEVICE(&pmu->ipi[i]), 0, irq[ipi_irq[i]]);
}
/* Load the kernel */
microblaze_load_kernel(&pmu->cpu, XLNX_ZYNQMP_PMU_RAM_ADDR,
machine->ram_size,