diff options
Diffstat (limited to 'arch/mn10300/include/asm/unit-asb2303/leds.h')
-rw-r--r-- | arch/mn10300/include/asm/unit-asb2303/leds.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/mn10300/include/asm/unit-asb2303/leds.h b/arch/mn10300/include/asm/unit-asb2303/leds.h new file mode 100644 index 000000000000..3a7543ea7b5c --- /dev/null +++ b/arch/mn10300/include/asm/unit-asb2303/leds.h | |||
@@ -0,0 +1,43 @@ | |||
1 | /* ASB2303-specific LEDs | ||
2 | * | ||
3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | ||
4 | * Written by David Howells (dhowells@redhat.com) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public Licence | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the Licence, or (at your option) any later version. | ||
10 | */ | ||
11 | |||
12 | #ifndef _ASM_UNIT_LEDS_H | ||
13 | #define _ASM_UNIT_LEDS_H | ||
14 | |||
15 | #include <asm/pio-regs.h> | ||
16 | #include <asm/cpu-regs.h> | ||
17 | #include <asm/exceptions.h> | ||
18 | |||
19 | #define ASB2303_GPIO0DEF __SYSREG(0xDB000000, u32) | ||
20 | #define ASB2303_7SEGLEDS __SYSREG(0xDB000008, u32) | ||
21 | |||
22 | /* | ||
23 | * use the 7-segment LEDs to indicate states | ||
24 | */ | ||
25 | |||
26 | /* flip the 7-segment LEDs between "G" and "-" */ | ||
27 | #define mn10300_set_gdbleds(ONOFF) \ | ||
28 | do { \ | ||
29 | ASB2303_7SEGLEDS = (ONOFF) ? 0x85 : 0x7f; \ | ||
30 | } while (0) | ||
31 | |||
32 | /* indicate double-fault by displaying "d" on the LEDs */ | ||
33 | #define mn10300_set_dbfleds \ | ||
34 | mov 0x43,d0 ; \ | ||
35 | movbu d0,(ASB2303_7SEGLEDS) | ||
36 | |||
37 | #ifndef __ASSEMBLY__ | ||
38 | extern void peripheral_leds_display_exception(enum exception_code code); | ||
39 | extern void peripheral_leds_led_chase(void); | ||
40 | extern void debug_to_serial(const char *p, int n); | ||
41 | #endif /* __ASSEMBLY__ */ | ||
42 | |||
43 | #endif /* _ASM_UNIT_LEDS_H */ | ||