| * arch/sh/boards/se/73180/led.c |
| * Derived from arch/sh/boards/se/770x/led.c |
| * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com> |
| * 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 <asm/mach/se73180.h> |
| mach_led(int position, int value) |
| volatile unsigned short *p = (volatile unsigned short *) PA_LED; |
| /* Cycle the LED's in the clasic Knightrider/Sun pattern */ |
| static unsigned int cnt = 0, period = 0; |
| volatile unsigned short *p = (volatile unsigned short *) PA_LED; |
| 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))); |
| *p = 1 << (bit + LED_SHIFT); |