| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 25 | static __inline__ void |
| 26 | set_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 | |