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hw/dma/pl080: Provide device reset function

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The PL080/PL081 model is missing a reset function; implement it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Peter Maydell 2018-08-20 11:24:33 +01:00
parent 112a829f8f
commit c193304d4f
1 changed files with 25 additions and 0 deletions
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25
hw/dma/pl080.c
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@ -348,6 +348,30 @@ static const MemoryRegionOps pl080_ops = {
.endianness = DEVICE_NATIVE_ENDIAN, .endianness = DEVICE_NATIVE_ENDIAN,
}; };
static void pl080_reset(DeviceState *dev)
{
PL080State *s = PL080(dev);
int i;
s->tc_int = 0;
s->tc_mask = 0;
s->err_int = 0;
s->err_mask = 0;
s->conf = 0;
s->sync = 0;
s->req_single = 0;
s->req_burst = 0;
s->running = 0;
for (i = 0; i < s->nchannels; i++) {
s->chan[i].src = 0;
s->chan[i].dest = 0;
s->chan[i].lli = 0;
s->chan[i].ctrl = 0;
s->chan[i].conf = 0;
}
}
static void pl080_init(Object *obj) static void pl080_init(Object *obj)
{ {
SysBusDevice *sbd = SYS_BUS_DEVICE(obj); SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
@ -393,6 +417,7 @@ static void pl080_class_init(ObjectClass *oc, void *data)
dc->vmsd = &vmstate_pl080; dc->vmsd = &vmstate_pl080;
dc->realize = pl080_realize; dc->realize = pl080_realize;
dc->props = pl080_properties; dc->props = pl080_properties;
dc->reset = pl080_reset;
} }
static const TypeInfo pl080_info = { static const TypeInfo pl080_info = {