/* * linux/arch/sh/kernel/led_se.c * * Copyright (C) 2000 Stuart Menefy * * May be copied or modified under the terms of the GNU General Public * License. See linux/COPYING for more information. * * This file contains Solution Engine specific LED code. */ #include static void mach_led(int position, int value) { volatile unsigned short* p = (volatile unsigned short*)PA_LED; if (value) { *p |= (1<<8); } else { *p &= ~(1<<8); } } #ifdef CONFIG_HEARTBEAT #include /* Cycle the LED's in the clasic Knightrider/Sun pattern */ void heartbeat_se(void) { static unsigned int cnt = 0, period = 0; volatile unsigned short* p = (volatile unsigned short*)PA_LED; 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(inf)->110 */ period = 110 - ( (300<