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Diffstat (limited to 'payloads/libpayload/drivers/timer/img_pistachio.c')
-rw-r--r--payloads/libpayload/drivers/timer/img_pistachio.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/timer/img_pistachio.c b/payloads/libpayload/drivers/timer/img_pistachio.c
new file mode 100644
index 0000000000..dcfe555a73
--- /dev/null
+++ b/payloads/libpayload/drivers/timer/img_pistachio.c
@@ -0,0 +1,36 @@
+/*
+ * This file is part of the libpayload project.
+ *
+ * Copyright (C) 2014 Imagination Technologies
+ *
+ * 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 <libpayload.h>
+#include <arch/cpu.h>
+
+static int get_timer_speed_khz(void)
+{
+ return get_cpu_speed()/2;
+}
+
+uint64_t timer_hz(void)
+{
+ return lib_sysinfo.cpu_khz * 1000;
+}
+
+uint64_t timer_raw_value(void)
+{
+ return read_c0_count()/(get_timer_speed_khz()/1000);
+}