2 * linux/arch/sh/boards/se/770x/led.c
4 * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com>
6 * May be copied or modified under the terms of the GNU General Public
7 * License. See linux/COPYING for more information.
9 * This file contains Solution Engine specific LED code.
12 #include <linux/sched.h>
15 /* Cycle the LED's in the clasic Knightrider/Sun pattern */
16 void heartbeat_se(void)
18 static unsigned int cnt
= 0, period
= 0;
19 volatile unsigned short* p
= (volatile unsigned short*)PA_LED
;
20 static unsigned bit
= 0, up
= 1;
29 /* Go through the points (roughly!):
30 * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110
32 period
= 110 - ( (300<<FSHIFT
)/
33 ((avenrun
[0]/5) + (3<<FSHIFT
)) );
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