blob: 66cf8c4d92c9a1bfb83b2657cd8f100aa64df2a9 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 * Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
6 */
7#ifndef _ASM_IA64_SN_LEDS_H
8#define _ASM_IA64_SN_LEDS_H
9
10#include <asm/sn/addrs.h>
11#include <asm/sn/pda.h>
12#include <asm/sn/shub_mmr.h>
13
14#define LED0 (LOCAL_MMR_ADDR(SH_REAL_JUNK_BUS_LED0))
15#define LED_CPU_SHIFT 16
16
17#define LED_CPU_HEARTBEAT 0x01
18#define LED_CPU_ACTIVITY 0x02
19#define LED_ALWAYS_SET 0x00
20
21/*
22 * Basic macros for flashing the LEDS on an SGI SN.
23 */
24
25static __inline__ void
26set_led_bits(u8 value, u8 mask)
27{
28 pda->led_state = (pda->led_state & ~mask) | (value & mask);
29 *pda->led_address = (short) pda->led_state;
30}
31
32#endif /* _ASM_IA64_SN_LEDS_H */
33