Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / mn10300 / unit-asb2303 / include / unit / leds.h

diff --git a/kernel/arch/mn10300/unit-asb2303/include/unit/leds.h b/kernel/arch/mn10300/unit-asb2303/include/unit/leds.h
new file mode 100644 (file)
index 0000000..3a7543e
--- /dev/null
+++ b/kernel/arch/mn10300/unit-asb2303/include/unit/leds.h
@@ -0,0 +1,43 @@
+/* ASB2303-specific LEDs
+ *
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _ASM_UNIT_LEDS_H
+#define _ASM_UNIT_LEDS_H
+
+#include <asm/pio-regs.h>
+#include <asm/cpu-regs.h>
+#include <asm/exceptions.h>
+
+#define ASB2303_GPIO0DEF       __SYSREG(0xDB000000, u32)
+#define ASB2303_7SEGLEDS       __SYSREG(0xDB000008, u32)
+
+/*
+ * use the 7-segment LEDs to indicate states
+ */
+
+/* flip the 7-segment LEDs between "G" and "-" */
+#define mn10300_set_gdbleds(ONOFF)                     \
+do {                                                   \
+       ASB2303_7SEGLEDS = (ONOFF) ? 0x85 : 0x7f;       \
+} while (0)
+
+/* indicate double-fault by displaying "d" on the LEDs */
+#define mn10300_set_dbfleds                    \
+       mov     0x43,d0                 ;       \
+       movbu   d0,(ASB2303_7SEGLEDS)
+
+#ifndef __ASSEMBLY__
+extern void peripheral_leds_display_exception(enum exception_code code);
+extern void peripheral_leds_led_chase(void);
+extern void debug_to_serial(const char *p, int n);
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_UNIT_LEDS_H */