1/*
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