1 #ifndef _ASM_IA64_SN_LEDS_H
2 #define _ASM_IA64_SN_LEDS_H
3 
4 /*
5  * This file is subject to the terms and conditions of the GNU General Public
6  * License.  See the file "COPYING" in the main directory of this archive
7  * for more details.
8  * Copyright (C) 2000-2003 Silicon Graphics, Inc. All rights reserved.
9  */
10 
11 #include <linux/config.h>
12 #include <asm/smp.h>
13 #include <asm/sn/addrs.h>
14 #include <asm/sn/sn_cpuid.h>
15 #include <asm/sn/pda.h>
16 #include <asm/sn/sn2/shub.h>
17 
18 #define LED0		(LOCAL_MMR_ADDR(SH_REAL_JUNK_BUS_LED0))
19 #define LED_CPU_SHIFT	16
20 
21 #define LED_CPU_HEARTBEAT	0x01
22 #define LED_CPU_ACTIVITY	0x02
23 #define LED_ALWAYS_SET		0x00
24 
25 /*
26  * Basic macros for flashing the LEDS on an SGI, SN1.
27  */
28 
29 static __inline__ void
set_led_bits(u8 value,u8 mask)30 set_led_bits(u8 value, u8 mask)
31 {
32 	pda.led_state = (pda.led_state & ~mask) | (value & mask);
33 	*pda.led_address = (short) pda.led_state;
34 }
35 
36 #endif /* _ASM_IA64_SN_LEDS_H */
37 
38