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path: root/hw/gpio/pl061.c
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Diffstat (limited to 'hw/gpio/pl061.c')
-rw-r--r--hw/gpio/pl061.c37
1 files changed, 29 insertions, 8 deletions
diff --git a/hw/gpio/pl061.c b/hw/gpio/pl061.c
index e5a696ef43..5ece8b068e 100644
--- a/hw/gpio/pl061.c
+++ b/hw/gpio/pl061.c
@@ -56,7 +56,6 @@ typedef struct PL061State {
uint32_t slr;
uint32_t den;
uint32_t cr;
- uint32_t float_high;
uint32_t amsel;
qemu_irq irq;
qemu_irq out[8];
@@ -65,8 +64,8 @@ typedef struct PL061State {
static const VMStateDescription vmstate_pl061 = {
.name = "pl061",
- .version_id = 3,
- .minimum_version_id = 3,
+ .version_id = 4,
+ .minimum_version_id = 4,
.fields = (VMStateField[]) {
VMSTATE_UINT32(locked, PL061State),
VMSTATE_UINT32(data, PL061State),
@@ -88,7 +87,6 @@ static const VMStateDescription vmstate_pl061 = {
VMSTATE_UINT32(slr, PL061State),
VMSTATE_UINT32(den, PL061State),
VMSTATE_UINT32(cr, PL061State),
- VMSTATE_UINT32(float_high, PL061State),
VMSTATE_UINT32_V(amsel, PL061State, 2),
VMSTATE_END_OF_LIST()
}
@@ -282,10 +280,32 @@ 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 +338,7 @@ 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 +363,7 @@ 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 = {