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b920de1b DH |
1 | /* ASB2305-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 ASB2305_7SEGLEDS __SYSREG(0xA6F90000, u32) | |
20 | ||
21 | /* perform a hard reset by driving PIO06 low */ | |
22 | #define mn10300_unit_hard_reset() \ | |
23 | do { \ | |
24 | P0OUT &= 0xbf; \ | |
25 | P0MD = (P0MD & P0MD_6) | P0MD_6_OUT; \ | |
26 | } while (0) | |
27 | ||
28 | /* | |
29 | * use the 7-segment LEDs to indicate states | |
30 | */ | |
31 | /* indicate double-fault by displaying "db-f" on the LEDs */ | |
32 | #define mn10300_set_dbfleds \ | |
33 | mov 0x43077f1d,d0 ; \ | |
34 | mov d0,(ASB2305_7SEGLEDS) | |
35 | ||
36 | /* flip the 7-segment LEDs between "Gdb-" and "----" */ | |
37 | #define mn10300_set_gdbleds(ONOFF) \ | |
38 | do { \ | |
39 | ASB2305_7SEGLEDS = (ONOFF) ? 0x8543077f : 0x7f7f7f7f; \ | |
40 | } while (0) | |
41 | ||
42 | #ifndef __ASSEMBLY__ | |
43 | extern void peripheral_leds_display_exception(enum exception_code); | |
44 | extern void peripheral_leds_led_chase(void); | |
45 | extern void peripheral_leds7x4_display_dec(unsigned int, unsigned int); | |
46 | extern void peripheral_leds7x4_display_hex(unsigned int, unsigned int); | |
47 | extern void peripheral_leds7x4_display_minssecs(unsigned int, unsigned int); | |
48 | extern void peripheral_leds7x4_display_rtc(void); | |
49 | #endif /* __ASSEMBLY__ */ | |
50 | ||
51 | #endif /* _ASM_UNIT_LEDS_H */ |