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authorXiaojuan Yang <yangxiaojuan@loongson.cn>2022-07-01 17:34:00 +0800
committerRichard Henderson <richard.henderson@linaro.org>2022-07-04 11:08:58 +0530
commite5c0367e2bbcf730e96614f63ea7575885fdde98 (patch)
treeb706c453ab880d8d24eabd1e2060f58ecf963f33 /hw/rtc
parent53a5eb2e7a7f8cebb3010fc658e935679379a0fa (diff)
hw/rtc/ls7a_rtc: Add reset function
Add ls7a rtc reset function to delete timers and clear regs when rtc reset. Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn> Message-Id: <20220701093407.2150607-5-yangxiaojuan@loongson.cn> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'hw/rtc')
-rw-r--r--hw/rtc/ls7a_rtc.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/hw/rtc/ls7a_rtc.c b/hw/rtc/ls7a_rtc.c
index f1e7a660e9..eb10cdb451 100644
--- a/hw/rtc/ls7a_rtc.c
+++ b/hw/rtc/ls7a_rtc.c
@@ -463,6 +463,25 @@ static void ls7a_rtc_realize(DeviceState *dev, Error **errp)
}
+/* delete timer and clear reg when reset */
+static void ls7a_rtc_reset(DeviceState *dev)
+{
+ int i;
+ SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
+ LS7ARtcState *d = LS7A_RTC(sbd);
+ for (i = 0; i < TIMER_NUMS; i++) {
+ if (toy_enabled(d)) {
+ timer_del(d->toy_timer[i]);
+ }
+ if (rtc_enabled(d)) {
+ timer_del(d->rtc_timer[i]);
+ }
+ d->toymatch[i] = 0;
+ d->rtcmatch[i] = 0;
+ }
+ d->cntrctl = 0;
+}
+
static int ls7a_rtc_pre_save(void *opaque)
{
LS7ARtcState *s = LS7A_RTC(opaque);
@@ -511,6 +530,7 @@ static void ls7a_rtc_class_init(ObjectClass *klass, void *data)
DeviceClass *dc = DEVICE_CLASS(klass);
dc->vmsd = &vmstate_ls7a_rtc;
dc->realize = ls7a_rtc_realize;
+ dc->reset = ls7a_rtc_reset;
dc->desc = "ls7a rtc";
}