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Diffstat (limited to 'arch/ia64/include/asm/sn/leds.h')
-rw-r--r--arch/ia64/include/asm/sn/leds.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/sn/leds.h b/arch/ia64/include/asm/sn/leds.h
new file mode 100644
index 000000000000..66cf8c4d92c9
--- /dev/null
+++ b/arch/ia64/include/asm/sn/leds.h
@@ -0,0 +1,33 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ * Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
+ */
+#ifndef _ASM_IA64_SN_LEDS_H
+#define _ASM_IA64_SN_LEDS_H
+
+#include <asm/sn/addrs.h>
+#include <asm/sn/pda.h>
+#include <asm/sn/shub_mmr.h>
+
+#define LED0 (LOCAL_MMR_ADDR(SH_REAL_JUNK_BUS_LED0))
+#define LED_CPU_SHIFT 16
+
+#define LED_CPU_HEARTBEAT 0x01
+#define LED_CPU_ACTIVITY 0x02
+#define LED_ALWAYS_SET 0x00
+
+/*
+ * Basic macros for flashing the LEDS on an SGI SN.
+ */
+
+static __inline__ void
+set_led_bits(u8 value, u8 mask)
+{
+ pda->led_state = (pda->led_state & ~mask) | (value & mask);
+ *pda->led_address = (short) pda->led_state;
+}
+
+#endif /* _ASM_IA64_SN_LEDS_H */
+