arm: xlnx-zynqmp: Connect CPU Timers to GIC
Connect the GPIO outputs from the individual CPUs for the timers to the GIC. Tested-by: Alistair Francis <alistair.francis@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: a7866a4f0c903c91fa3034210b4d2879aa4bfcb9.1431381507.git.peter.crosthwaite@xilinx.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -16,10 +16,14 @@
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*/
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#include "hw/arm/xlnx-zynqmp.h"
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#include "hw/intc/arm_gic_common.h"
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#include "exec/address-spaces.h"
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#define GIC_NUM_SPI_INTR 160
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#define ARM_PHYS_TIMER_PPI 30
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#define ARM_VIRT_TIMER_PPI 27
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#define GIC_BASE_ADDR 0xf9000000
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#define GIC_DIST_ADDR 0xf9010000
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#define GIC_CPU_ADDR 0xf9020000
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@ -34,6 +38,11 @@ static const XlnxZynqMPGICRegion xlnx_zynqmp_gic_regions[] = {
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{ .region_index = 1, .address = GIC_CPU_ADDR, },
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};
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static inline int arm_gic_ppi_index(int cpu_nr, int ppi_index)
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{
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return GIC_NUM_SPI_INTR + cpu_nr * GIC_INTERNAL + ppi_index;
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}
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static void xlnx_zynqmp_init(Object *obj)
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{
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XlnxZynqMPState *s = XLNX_ZYNQMP(obj);
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@ -86,6 +95,8 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
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}
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for (i = 0; i < XLNX_ZYNQMP_NUM_CPUS; i++) {
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qemu_irq irq;
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object_property_set_int(OBJECT(&s->cpu[i]), QEMU_PSCI_CONDUIT_SMC,
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"psci-conduit", &error_abort);
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if (i > 0) {
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@ -109,6 +120,12 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
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sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i,
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qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_IRQ));
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irq = qdev_get_gpio_in(DEVICE(&s->gic),
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arm_gic_ppi_index(i, ARM_PHYS_TIMER_PPI));
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qdev_connect_gpio_out(DEVICE(&s->cpu[i]), 0, irq);
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irq = qdev_get_gpio_in(DEVICE(&s->gic),
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arm_gic_ppi_index(i, ARM_VIRT_TIMER_PPI));
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qdev_connect_gpio_out(DEVICE(&s->cpu[i]), 1, irq);
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}
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}
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