aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/boards/renesas/rts7751r2d/led.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/boards/renesas/rts7751r2d/led.c')
-rw-r--r--arch/sh/boards/renesas/rts7751r2d/led.c44
1 files changed, 0 insertions, 44 deletions
diff --git a/arch/sh/boards/renesas/rts7751r2d/led.c b/arch/sh/boards/renesas/rts7751r2d/led.c
deleted file mode 100644
index 509f548bdce..00000000000
--- a/arch/sh/boards/renesas/rts7751r2d/led.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * linux/arch/sh/boards/renesas/rts7751r2d/led.c
- *
- * Copyright (C) Atom Create Engineering Co., Ltd.
- *
- * May be copied or modified under the terms of GNU General Public
- * License. See linux/COPYING for more information.
- *
- * This file contains Renesas Technology Sales RTS7751R2D specific LED code.
- */
-#include <linux/io.h>
-#include <linux/sched.h>
-#include <asm/rts7751r2d.h>
-
-/* Cycle the LED's in the clasic Knightriger/Sun pattern */
-void heartbeat_rts7751r2d(void)
-{
- static unsigned int cnt = 0, period = 0;
- volatile unsigned short *p = (volatile unsigned short *)PA_OUTPORT;
- static unsigned bit = 0, up = 1;
-
- cnt += 1;
- if (cnt < period)
- return;
-
- cnt = 0;
-
- /* Go through the points (roughly!):
- * f(0)=10, f(1)=16, f(2)=20, f(5)=35, f(int)->110
- */
- period = 110 - ((300 << FSHIFT)/((avenrun[0]/5) + (3<<FSHIFT)));
-
- *p = 1 << bit;
- if (up)
- if (bit == 7) {
- bit--;
- up = 0;
- } else
- bit++;
- else if (bit == 0)
- up = 1;
- else
- bit--;
-}