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bcm2836: Make CPU type configurable

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This patch adds a "cpu-type" property to BCM2836 SoC in preparation for
reusing the code for the Raspberry Pi 3, which has a different processor
model.

Signed-off-by: Pekka Enberg <penberg@iki.fi>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Pekka Enberg 2018-02-15 18:29:36 +00:00 • committed by Peter Maydell
parent 57bb315681
commit d9f8bbd8eb
3 changed files with 13 additions and 8 deletions
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17
hw/arm/bcm2836.c
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@ -26,14 +26,6 @@
static void bcm2836_init(Object *obj)
{
BCM2836State *s = BCM2836(obj);
int n;
for (n = 0; n < BCM2836_NCPUS; n++) {
object_initialize(&s->cpus[n], sizeof(s->cpus[n]),
"cortex-a15-" TYPE_ARM_CPU);
object_property_add_child(obj, "cpu[*]", OBJECT(&s->cpus[n]),
&error_abort);
}
object_initialize(&s->control, sizeof(s->control), TYPE_BCM2836_CONTROL);
object_property_add_child(obj, "control", OBJECT(&s->control), NULL);
@ -59,6 +51,14 @@ static void bcm2836_realize(DeviceState *dev, Error **errp)
/* common peripherals from bcm2835 */
obj = OBJECT(dev);
for (n = 0; n < BCM2836_NCPUS; n++) {
object_initialize(&s->cpus[n], sizeof(s->cpus[n]),
s->cpu_type);
object_property_add_child(obj, "cpu[*]", OBJECT(&s->cpus[n]),
&error_abort);
}
obj = object_property_get_link(OBJECT(dev), "ram", &err);
if (obj == NULL) {
error_setg(errp, "%s: required ram link not found: %s",
@ -150,6 +150,7 @@ static void bcm2836_realize(DeviceState *dev, Error **errp)
}
static Property bcm2836_props[] = {
DEFINE_PROP_STRING("cpu-type", BCM2836State, cpu_type),
DEFINE_PROP_UINT32("enabled-cpus", BCM2836State, enabled_cpus, BCM2836_NCPUS),
DEFINE_PROP_END_OF_LIST()
};