diff options
Diffstat (limited to 'include/asm-mn10300/unit-asb2305/leds.h')
-rw-r--r-- | include/asm-mn10300/unit-asb2305/leds.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/include/asm-mn10300/unit-asb2305/leds.h b/include/asm-mn10300/unit-asb2305/leds.h new file mode 100644 index 000000000000..bc471f617fd1 --- /dev/null +++ b/include/asm-mn10300/unit-asb2305/leds.h | |||
@@ -0,0 +1,51 @@ | |||
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 */ | ||