include/asm-ia64/sn/leds.h

   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 <asm/sn/addrs.h>
  12 #include <asm/sn/pda.h>
  13 #include <asm/sn/sn2/shub.h>
  14
  15 #define LED0            (LOCAL_MMR_ADDR(SH_REAL_JUNK_BUS_LED0))
  16 #define LED_CPU_SHIFT   16
  17
  18 #define LED_CPU_HEARTBEAT       0x01
  19 #define LED_CPU_ACTIVITY        0x02
  20 #define LED_ALWAYS_SET          0x00
  21
  22 /*
  23  * Basic macros for flashing the LEDS on an SGI SN.
  24  */
  25
  26 static __inline__ void
  27 set_led_bits(u8 value, u8 mask)
  28 {
  29         pda->led_state = (pda->led_state & ~mask) | (value & mask);
  30         *pda->led_address = (short) pda->led_state;
  31 }
  32
  33 #endif /* _ASM_IA64_SN_LEDS_H */
  34