2 * Copyright (C) Atom Create Engineering Co., Ltd.
4 * May be copied or modified under the terms of GNU General Public
5 * License. See linux/COPYING for more information.
7 * This file contains Renesas Solutions HIGHLANDER R7780RP-1 specific LED code.
10 #include <linux/config.h>
11 #include <linux/sched.h>
13 #include <asm/r7780rp/r7780rp.h>
15 /* Cycle the LED's in the clasic Knightriger/Sun pattern */
16 void heartbeat_r7780rp(void)
18 static unsigned int cnt = 0, period = 0;
19 volatile unsigned short *p = (volatile unsigned short *)PA_OBLED;
20 static unsigned bit = 0, up = 1;
21 unsigned bit_pos[] = {2, 1, 0, 3, 6, 5, 4, 7};
29 /* Go through the points (roughly!):
30 * f(0)=10, f(1)=16, f(2)=20, f(5)=35, f(int)->110
32 period = 110 - ((300 << FSHIFT)/((avenrun[0]/5) + (3<<FSHIFT)));
34 *p = 1 << bit_pos[bit];