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
5 * Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
7 #ifndef _ASM_IA64_SN_LEDS_H
8 #define _ASM_IA64_SN_LEDS_H
10 #include <asm/sn/addrs.h>
11 #include <asm/sn/pda.h>
12 #include <asm/sn/shub_mmr.h>
14 #define LED0 (LOCAL_MMR_ADDR(SH_REAL_JUNK_BUS_LED0))
15 #define LED_CPU_SHIFT 16
17 #define LED_CPU_HEARTBEAT 0x01
18 #define LED_CPU_ACTIVITY 0x02
19 #define LED_ALWAYS_SET 0x00
22 * Basic macros for flashing the LEDS on an SGI SN.
25 static __inline__ void
26 set_led_bits(u8 value, u8 mask)
28 pda->led_state = (pda->led_state & ~mask) | (value & mask);
29 *pda->led_address = (short) pda->led_state;
32 #endif /* _ASM_IA64_SN_LEDS_H */