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Diffstat (limited to 'src/soc/rockchip/rk3288/monotonic_timer.c')
-rw-r--r--src/soc/rockchip/rk3288/monotonic_timer.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/soc/rockchip/rk3288/monotonic_timer.c b/src/soc/rockchip/rk3288/monotonic_timer.c
new file mode 100644
index 0000000000..d33ed6858c
--- /dev/null
+++ b/src/soc/rockchip/rk3288/monotonic_timer.c
@@ -0,0 +1,40 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Rockchip Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <timer.h>
+#include <arch/io.h>
+#include "addressmap.h"
+#include "timer.h"
+
+static uint64_t timer_raw_value(void)
+{
+ uint64_t value0;
+ uint64_t value1;
+
+ value0 = (uint64_t)read32(&timer7_ptr->timer_curr_value0);
+ value1 = (uint64_t)read32(&timer7_ptr->timer_curr_value1);
+ value0 = value0 | value1<<32;
+ return value0;
+}
+
+void timer_monotonic_get(struct mono_time *mt)
+{
+ mono_time_set_usecs(mt, timer_raw_value() / clocks_per_usec);
+}