soc/mediatek/mt8195: Add timer support

TEST=emerge-{oak, kukui, asurada, cherry} coreboot;
     verified on Asurada and Cherry P0

Signed-off-by: Yidi Lin <yidi.lin@mediatek.com>
Change-Id: Ic6a87e7d5983bf14ad123de82ed670a22a7be1aa
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52541
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/soc/mediatek/mt8195/timer.c b/src/soc/mediatek/mt8195/timer.c
new file mode 100644
index 0000000000..3fb4be7f2d
--- /dev/null
+++ b/src/soc/mediatek/mt8195/timer.c
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/mmio.h>
+#include <soc/addressmap.h>
+#include <soc/timer.h>
+
+void timer_prepare(void)
+{
+	clrbits32((void *)SYSTIMER_BASE, COMP_FEATURE_MASK);
+	setbits32((void *)SYSTIMER_BASE, COMP_25_MASK);
+}