| * linux/arch/sh/boards/sh03/led.c |
| * Copyright (C) 2004 Saito.K Interface Corporation. |
| * This file contains Interface CTP/PCI-SH03 specific LED code. |
| #include <linux/config.h> |
| /* Cycle the LED's in the clasic Knightrider/Sun pattern */ |
| void heartbeat_sh03(void) |
| static unsigned int cnt = 0, period = 0; |
| volatile unsigned char* p = (volatile unsigned char*)0xa0800000; |
| static unsigned bit = 0, up = 1; |
| /* Go through the points (roughly!): |
| * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110 |
| period = 110 - ( (300<<FSHIFT)/ |
| ((avenrun[0]/5) + (3<<FSHIFT)) ); |