| Akira Takeuchi | 368dd5a | 2010-10-27 17:28:55 +0100 | [diff] [blame] | 1 | /* Unit-specific leds |
| 2 | * |
| 3 | * Copyright (C) 2005 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 License |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the License, 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 MN10300_USE_7SEGLEDS 0 |
| 20 | |
| 21 | #define ASB2364_7SEGLEDS __SYSREG(0xA9001630, u32) |
| 22 | |
| 23 | /* |
| 24 | * use the 7-segment LEDs to indicate states |
| 25 | */ |
| 26 | |
| 27 | #if MN10300_USE_7SEGLEDS |
| 28 | /* flip the 7-segment LEDs between "Gdb-" and "----" */ |
| 29 | #define mn10300_set_gdbleds(ONOFF) \ |
| 30 | do { \ |
| 31 | ASB2364_7SEGLEDS = (ONOFF) ? 0x8543077f : 0x7f7f7f7f; \ |
| 32 | } while (0) |
| 33 | #else |
| 34 | #define mn10300_set_gdbleds(ONOFF) do {} while (0) |
| 35 | #endif |
| 36 | |
| 37 | #if MN10300_USE_7SEGLEDS |
| 38 | /* indicate double-fault by displaying "db-f" on the LEDs */ |
| 39 | #define mn10300_set_dbfleds \ |
| 40 | mov 0x43077f1d,d0 ; \ |
| 41 | mov d0,(ASB2364_7SEGLEDS) |
| 42 | #else |
| 43 | #define mn10300_set_dbfleds |
| 44 | #endif |
| 45 | |
| 46 | #ifndef __ASSEMBLY__ |
| 47 | extern void peripheral_leds_display_exception(enum exception_code); |
| 48 | extern void peripheral_leds_led_chase(void); |
| 49 | extern void peripheral_leds7x4_display_dec(unsigned int, unsigned int); |
| 50 | extern void peripheral_leds7x4_display_hex(unsigned int, unsigned int); |
| 51 | extern void debug_to_serial(const char *, int); |
| 52 | #endif /* __ASSEMBLY__ */ |
| 53 | |
| 54 | #endif /* _ASM_UNIT_LEDS_H */ |