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| 1 | /* |
|---|---|
| 2 | * This file is subject to the terms and conditions of the GNU General Public |
| 3 | * License. See the file "COPYING" in the main directory of this archive |
| 4 | * for more details. |
| 5 | * |
| 6 | * Copyright (C) 2001 - 2013 Tensilica Inc. |
| 7 | */ |
| 8 | |
| 9 | #ifndef _XTENSA_TIMEX_H |
| 10 | #define _XTENSA_TIMEX_H |
| 11 | |
| 12 | #include <asm/processor.h> |
| 13 | |
| 14 | #if XCHAL_NUM_TIMERS > 0 && \ |
| 15 | XTENSA_INT_LEVEL(XCHAL_TIMER0_INTERRUPT) <= XCHAL_EXCM_LEVEL |
| 16 | # define LINUX_TIMER 0 |
| 17 | # define LINUX_TIMER_INT XCHAL_TIMER0_INTERRUPT |
| 18 | #elif XCHAL_NUM_TIMERS > 1 && \ |
| 19 | XTENSA_INT_LEVEL(XCHAL_TIMER1_INTERRUPT) <= XCHAL_EXCM_LEVEL |
| 20 | # define LINUX_TIMER 1 |
| 21 | # define LINUX_TIMER_INT XCHAL_TIMER1_INTERRUPT |
| 22 | #elif XCHAL_NUM_TIMERS > 2 && \ |
| 23 | XTENSA_INT_LEVEL(XCHAL_TIMER2_INTERRUPT) <= XCHAL_EXCM_LEVEL |
| 24 | # define LINUX_TIMER 2 |
| 25 | # define LINUX_TIMER_INT XCHAL_TIMER2_INTERRUPT |
| 26 | #else |
| 27 | # error "Bad timer number for Linux configurations!" |
| 28 | #endif |
| 29 | |
| 30 | extern unsigned long ccount_freq; |
| 31 | |
| 32 | void local_timer_setup(unsigned cpu); |
| 33 | |
| 34 | /* |
| 35 | * Register access. |
| 36 | */ |
| 37 | |
| 38 | static inline unsigned long get_ccount (void) |
| 39 | { |
| 40 | return xtensa_get_sr(ccount); |
| 41 | } |
| 42 | |
| 43 | static inline void set_ccount (unsigned long ccount) |
| 44 | { |
| 45 | xtensa_set_sr(ccount, ccount); |
| 46 | } |
| 47 | |
| 48 | static inline unsigned long get_linux_timer (void) |
| 49 | { |
| 50 | return xtensa_get_sr(SREG_CCOMPARE + LINUX_TIMER); |
| 51 | } |
| 52 | |
| 53 | static inline void set_linux_timer (unsigned long ccompare) |
| 54 | { |
| 55 | xtensa_set_sr(ccompare, SREG_CCOMPARE + LINUX_TIMER); |
| 56 | } |
| 57 | |
| 58 | #include <asm-generic/timex.h> |
| 59 | |
| 60 | #endif /* _XTENSA_TIMEX_H */ |
| 61 |
Warning: That file was not part of the compilation database. It may have many parsing errors.