nios2: implement get_ticks and get_tbclk
* Copy over Blackfin's get_ticks and get_tbclk - they work just fine on
Nios2.
Signed-off-by: Alex Hornung <alex@alexhornung.com>
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
diff --git a/arch/nios2/cpu/interrupts.c b/arch/nios2/cpu/interrupts.c
index 0a97fa6..2ce689f 100644
--- a/arch/nios2/cpu/interrupts.c
+++ b/arch/nios2/cpu/interrupts.c
@@ -98,6 +98,27 @@
return (timestamp - base);
}
+/*
+ * This function is derived from Blackfin code (read timebase as long long).
+ * On Nios2 it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+ return get_timer(0);
+}
+
+/*
+ * This function is derived from Blackfin code.
+ * On Nios2 it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+ ulong tbclk;
+
+ tbclk = CONFIG_SYS_HZ;
+ return tbclk;
+}
+
/* The board must handle this interrupt if a timer is not
* provided.
*/