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hw/cpu/a15mpcore: Wire generic timer outputs to GIC inputs

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Now our A15 CPU implements the generic timers, we can wire them
up to the appropriate inputs on the GIC.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Message-id: 1376065080-26661-5-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2013-08-20 14:54:32 +01:00
parent 55d284af8e
commit 6033e840c7
1 changed files with 18 additions and 0 deletions
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18
hw/cpu/a15mpcore.c
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@ -49,6 +49,8 @@ static int a15mp_priv_init(SysBusDevice *dev)
A15MPPrivState *s = A15MPCORE_PRIV(dev);
SysBusDevice *busdev;
const char *gictype = "arm_gic";
int i;
CPUState *cpu;
if (kvm_irqchip_in_kernel()) {
gictype = "kvm-arm-gic";
@ -67,6 +69,22 @@ static int a15mp_priv_init(SysBusDevice *dev)
/* Pass through inbound GPIO lines to the GIC */
qdev_init_gpio_in(DEVICE(dev), a15mp_priv_set_irq, s->num_irq - 32);
/* Wire the outputs from each CPU's generic timer to the
* appropriate GIC PPI inputs
*/
for (i = 0, cpu = first_cpu; i < s->num_cpu; i++, cpu = cpu->next_cpu) {
DeviceState *cpudev = DEVICE(cpu);
int ppibase = s->num_irq - 32 + i * 32;
/* physical timer; we wire it up to the non-secure timer's ID,
* since a real A15 always has TrustZone but QEMU doesn't.
*/
qdev_connect_gpio_out(cpudev, 0,
qdev_get_gpio_in(s->gic, ppibase + 30));
/* virtual timer */
qdev_connect_gpio_out(cpudev, 1,
qdev_get_gpio_in(s->gic, ppibase + 27));
}
/* Memory map (addresses are offsets from PERIPHBASE):
* 0x0000-0x0fff -- reserved
* 0x1000-0x1fff -- GIC Distributor