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hw/char/pl011: implement a reset method

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PL011 currently lacks a reset method. Implement it.

Signed-off-by: Evgeny Iakovlev <eiakovlev@linux.microsoft.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20230123162304.26254-4-eiakovlev@linux.microsoft.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Evgeny Iakovlev 2023-01-23 17:23:02 +01:00 committed by Peter Maydell
parent 13ea96fa34
commit 3b7a165e8c
1 changed files with 21 additions and 5 deletions
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26
hw/char/pl011.c
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@ -427,11 +427,6 @@ static void pl011_init(Object *obj)
s->clk = qdev_init_clock_in(DEVICE(obj), "clk", pl011_clock_update, s,
ClockUpdate);
s->read_trigger = 1;
s->ifl = 0x12;
s->cr = 0x300;
s->flags = 0x90;
s->id = pl011_id_arm;
}
@ -443,11 +438,32 @@ static void pl011_realize(DeviceState *dev, Error **errp)
pl011_event, NULL, s, NULL, true);
}
static void pl011_reset(DeviceState *dev)
{
PL011State *s = PL011(dev);
s->lcr = 0;
s->rsr = 0;
s->dmacr = 0;
s->int_enabled = 0;
s->int_level = 0;
s->ilpr = 0;
s->ibrd = 0;
s->fbrd = 0;
s->read_pos = 0;
s->read_count = 0;
s->read_trigger = 1;
s->ifl = 0x12;
s->cr = 0x300;
s->flags = 0x90;
}
static void pl011_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
dc->realize = pl011_realize;
dc->reset = pl011_reset;
dc->vmsd = &vmstate_pl011;
device_class_set_props(dc, pl011_properties);
}