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-rw-r--r--hw/gpio/pl061.c31
1 files changed, 27 insertions, 4 deletions
diff --git a/hw/gpio/pl061.c b/hw/gpio/pl061.c
index e5a696ef43..f9773b8a43 100644
--- a/hw/gpio/pl061.c
+++ b/hw/gpio/pl061.c
@@ -282,10 +282,32 @@ static void pl061_write(void *opaque, hwaddr offset,
pl061_update(s);
}
-static void pl061_reset(PL061State *s)
+static void pl061_reset(DeviceState *dev)
{
- s->locked = 1;
- s->cr = 0xff;
+ PL061State *s = PL061(dev);
+
+ /* reset values from PL061 TRM, Stellaris LM3S5P31 & LM3S8962 Data Sheet */
+ s->data = 0;
+ s->old_out_data = 0;
+ s->old_in_data = 0;
+ s->dir = 0;
+ s->isense = 0;
+ s->ibe = 0;
+ s->iev = 0;
+ s->im = 0;
+ s->istate = 0;
+ s->afsel = 0;
+ s->dr2r = 0xff;
+ s->dr4r = 0;
+ s->dr8r = 0;
+ s->odr = 0;
+ s->pur = 0;
+ s->pdr = 0;
+ s->slr = 0;
+ s->den = 0;
+ s->locked = 1;
+ s->cr = 0xff;
+ s->amsel = 0;
}
static void pl061_set_irq(void * opaque, int irq, int level)
@@ -318,7 +340,7 @@ static int pl061_initfn(SysBusDevice *sbd)
sysbus_init_irq(sbd, &s->irq);
qdev_init_gpio_in(dev, pl061_set_irq, 8);
qdev_init_gpio_out(dev, s->out, 8);
- pl061_reset(s);
+
return 0;
}
@@ -343,6 +365,7 @@ static void pl061_class_init(ObjectClass *klass, void *data)
k->init = pl061_initfn;
dc->vmsd = &vmstate_pl061;
+ dc->reset = &pl061_reset;
}
static const TypeInfo pl061_info = {