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authorPeter Maydell <peter.maydell@linaro.org>2018-08-20 11:24:33 +0100
committerPeter Maydell <peter.maydell@linaro.org>2018-08-20 11:24:33 +0100
commitc193304d4f9ef21c51ff412f6279ad459eedd438 (patch)
treeabf8cdbad8155c8c082e65cb7a4137fcd96513e2 /hw
parent112a829f8f0add64f73bfea66c153355ea596da9 (diff)
hw/dma/pl080: Provide device reset function
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>
Diffstat (limited to 'hw')
-rw-r--r--hw/dma/pl080.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/hw/dma/pl080.c b/hw/dma/pl080.c
index 8f9f3e08d9..a7aacad74f 100644
--- a/hw/dma/pl080.c
+++ b/hw/dma/pl080.c
@@ -348,6 +348,30 @@ static const MemoryRegionOps pl080_ops = {
.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)
{
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
@@ -393,6 +417,7 @@ static void pl080_class_init(ObjectClass *oc, void *data)
dc->vmsd = &vmstate_pl080;
dc->realize = pl080_realize;
dc->props = pl080_properties;
+ dc->reset = pl080_reset;
}
static const TypeInfo pl080_info = {