| * linux/arch/sh/boards/mpc1211/led.c |
| * Copyright (C) 2001 Saito.K & Jeanne |
| * This file contains Interface MPC-1211 specific LED code. |
| static void mach_led(int position, int value) |
| volatile unsigned char* p = (volatile unsigned char*)0xa2000000; |
| /* Cycle the LED's in the clasic Knightrider/Sun pattern */ |
| void heartbeat_mpc1211(void) |
| static unsigned int cnt = 0, period = 0; |
| volatile unsigned char* p = (volatile unsigned char*)0xa2000000; |
| 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)) ); |
| #endif /* CONFIG_HEARTBEAT */ |