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b920de1b DH |
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 */ |