Re: [Qemu-devel] [PATCH target-arm v1 04/15] arm: xlnx-zynq-mp: Add GIC

[Alistair Francis <alistair.francis@xilinx.com>]

On Tue, Feb 24, 2015 at 9:04 AM, Peter Crosthwaite
<peter.crosthwaite@xilinx.com> wrote:
> And connect IRQ outputs to the CPUs.
>
> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>

Thanks,

Alistair

> ---
>  hw/arm/xlnx-zynq-mp.c         | 19 +++++++++++++++++++
>  include/hw/arm/xlnx-zynq-mp.h |  2 ++
>  2 files changed, 21 insertions(+)
>
> diff --git a/hw/arm/xlnx-zynq-mp.c b/hw/arm/xlnx-zynq-mp.c
> index d553fb0..9cdff13 100644
> --- a/hw/arm/xlnx-zynq-mp.c
> +++ b/hw/arm/xlnx-zynq-mp.c
> @@ -17,6 +17,11 @@
>
>  #include "hw/arm/xlnx-zynq-mp.h"
>
> +#define GIC_NUM_SPI_INTR 128
> +
> +#define GIC_DIST_ADDR       0xf9010000
> +#define GIC_CPU_ADDR        0xf9020000
> +
>  static void xlnx_zynq_mp_init(Object *obj)
>  {
>      XlnxZynqMPState *s = XLNX_ZYNQ_MP(obj);
> @@ -27,6 +32,9 @@ static void xlnx_zynq_mp_init(Object *obj)
>                            "cortex-a53-" TYPE_ARM_CPU);
>          object_property_add_child(obj, "cpu", OBJECT(&s->cpu[i]), NULL);
>      }
> +
> +    object_initialize(&s->gic, sizeof(s->gic), TYPE_ARM_GIC);
> +    qdev_set_parent_bus(DEVICE(&s->gic), sysbus_get_default());
>  }
>
>  #define ERR_PROP_CHECK_RETURN(err, errp) do { \
> @@ -42,9 +50,20 @@ static void xlnx_zynq_mp_realize(DeviceState *dev, Error **errp)
>      uint8_t i;
>      Error *err = NULL;
>
> +    qdev_prop_set_uint32(DEVICE(&s->gic), "num-irq", GIC_NUM_SPI_INTR + 32);
> +    qdev_prop_set_uint32(DEVICE(&s->gic), "revision", 2);
> +    qdev_prop_set_uint32(DEVICE(&s->gic), "num-cpu", XLNX_ZYNQ_MP_NUM_CPUS);
> +    object_property_set_bool(OBJECT(&s->gic), true, "realized", &err);
> +    ERR_PROP_CHECK_RETURN(err, errp);
> +    sysbus_mmio_map(SYS_BUS_DEVICE(&s->gic), 0, GIC_DIST_ADDR);
> +    sysbus_mmio_map(SYS_BUS_DEVICE(&s->gic), 1, GIC_CPU_ADDR);
> +
>      for (i = 0; i < XLNX_ZYNQ_MP_NUM_CPUS; i++) {
>          object_property_set_bool(OBJECT(&s->cpu[i]), true, "realized", &err);
>          ERR_PROP_CHECK_RETURN(err, errp);
> +
> +        sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i,
> +                           qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_IRQ));
>      }
>  }
>
> diff --git a/include/hw/arm/xlnx-zynq-mp.h b/include/hw/arm/xlnx-zynq-mp.h
> index f7410dc..22b2af0 100644
> --- a/include/hw/arm/xlnx-zynq-mp.h
> +++ b/include/hw/arm/xlnx-zynq-mp.h
> @@ -2,6 +2,7 @@
>
>  #include "qemu-common.h"
>  #include "hw/arm/arm.h"
> +#include "hw/intc/arm_gic.h"
>
>  #define TYPE_XLNX_ZYNQ_MP "xlnx,zynq-mp"
>  #define XLNX_ZYNQ_MP(obj) OBJECT_CHECK(XlnxZynqMPState, (obj), \
> @@ -15,6 +16,7 @@ typedef struct XlnxZynqMPState {
>      /*< public >*/
>
>      ARMCPU cpu[XLNX_ZYNQ_MP_NUM_CPUS];
> +    GICState gic;
>  }  XlnxZynqMPState;
>
>  #define XLNX_ZYNQ_MP_H_
> --
> 2.3.0.1.g27a12f1
>
>