diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2013-08-20 14:54:32 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2013-08-20 14:54:32 +0100 |
| commit | 6033e840c7b1db1055d02199fa3a28a4fd7b2386 (patch) | |
| tree | e19afcee0f62da8a50f90017495af6f492fac6bd /hw/cpu | |
| parent | 55d284af8e31bbdf4d545cb2d6481cd0367680fb (diff) | |
| download | qemu-6033e840c7b1db1055d02199fa3a28a4fd7b2386.tar.gz | |
hw/cpu/a15mpcore: Wire generic timer outputs to GIC inputs
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
Diffstat (limited to 'hw/cpu')
| -rw-r--r-- | hw/cpu/a15mpcore.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/hw/cpu/a15mpcore.c b/hw/cpu/a15mpcore.c index 4f37964434..af182da4ee 100644 --- a/hw/cpu/a15mpcore.c +++ b/hw/cpu/a15mpcore.c @@ -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 |