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[src/trunk]: src/sys/arch/arm/cortex Enable the global timer at attach time, ...
details: https://anonhg.NetBSD.org/src/rev/8cb3b31968d5
branches: trunk
changeset: 836642:8cb3b31968d5
user: aymeric <aymeric%NetBSD.org@localhost>
date: Sun Oct 28 21:08:13 2018 +0000
description:
Enable the global timer at attach time, it ensures that delay() works.
diffstat:
sys/arch/arm/cortex/a9tmr.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diffs (28 lines):
diff -r 92e449de69fc -r 8cb3b31968d5 sys/arch/arm/cortex/a9tmr.c
--- a/sys/arch/arm/cortex/a9tmr.c Sun Oct 28 18:26:52 2018 +0000
+++ b/sys/arch/arm/cortex/a9tmr.c Sun Oct 28 21:08:13 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: a9tmr.c,v 1.17 2018/10/14 19:01:00 aymeric Exp $ */
+/* $NetBSD: a9tmr.c,v 1.18 2018/10/28 21:08:13 aymeric Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: a9tmr.c,v 1.17 2018/10/14 19:01:00 aymeric Exp $");
+__KERNEL_RCSID(0, "$NetBSD: a9tmr.c,v 1.18 2018/10/28 21:08:13 aymeric Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -150,6 +150,9 @@
bus_space_subregion(sc->sc_memt, sc->sc_memh,
mpcaa->mpcaa_off1, TMR_GLOBAL_SIZE, &sc->sc_global_memh);
+ /* Enable the timer early for delay(), disable all other features */
+ a9tmr_global_write(sc, TMR_GBL_CTL, TMR_CTL_ENABLE);
+
if (mpcaa->mpcaa_irq != -1) {
sc->sc_global_ih = intr_establish(mpcaa->mpcaa_irq, IPL_CLOCK,
IST_EDGE | IST_MPSAFE, a9tmr_intr, NULL);
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