diff options
author | David Howells <dhowells@redhat.com> | 2009-04-10 14:19:03 +0100 |
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committer | David Howells <dhowells@redhat.com> | 2009-04-10 14:19:03 +0100 |
commit | da7616610c8d2ec16a8ada44216e836e5fcbd08b (patch) | |
tree | ef3e8ccc7a01694c0ab0eeea387bc46a8807669e /include/asm-mn10300/unit-asb2303/timex.h | |
parent | 62b8e680e61d3f48f2a12ee248ca03ea8f376926 (diff) |
Move arch headers from include/asm-mn10300/ to arch/mn10300/include/asm/.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'include/asm-mn10300/unit-asb2303/timex.h')
-rw-r--r-- | include/asm-mn10300/unit-asb2303/timex.h | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/include/asm-mn10300/unit-asb2303/timex.h b/include/asm-mn10300/unit-asb2303/timex.h deleted file mode 100644 index 7e54b0cfdd0..00000000000 --- a/include/asm-mn10300/unit-asb2303/timex.h +++ /dev/null @@ -1,135 +0,0 @@ -/* ASB2303-specific timer specifcations - * - * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. - */ -#ifndef _ASM_UNIT_TIMEX_H -#define _ASM_UNIT_TIMEX_H - -#ifndef __ASSEMBLY__ -#include <linux/irq.h> -#endif /* __ASSEMBLY__ */ - -#include <asm/timer-regs.h> -#include <asm/unit/clock.h> - -/* - * jiffies counter specifications - */ - -#define TMJCBR_MAX 0xffff -#define TMJCBC TM01BC - -#define TMJCMD TM01MD -#define TMJCBR TM01BR -#define TMJCIRQ TM1IRQ -#define TMJCICR TM1ICR -#define TMJCICR_LEVEL GxICR_LEVEL_5 - -#ifndef __ASSEMBLY__ - -static inline void startup_jiffies_counter(void) -{ - unsigned rate; - u16 md, t16; - - /* use as little prescaling as possible to avoid losing accuracy */ - md = TM0MD_SRC_IOCLK; - rate = MN10300_JCCLK / HZ; - - if (rate > TMJCBR_MAX) { - md = TM0MD_SRC_IOCLK_8; - rate = MN10300_JCCLK / 8 / HZ; - - if (rate > TMJCBR_MAX) { - md = TM0MD_SRC_IOCLK_32; - rate = MN10300_JCCLK / 32 / HZ; - - if (rate > TMJCBR_MAX) - BUG(); - } - } - - TMJCBR = rate - 1; - t16 = TMJCBR; - - TMJCMD = - md | - TM1MD_SRC_TM0CASCADE << 8 | - TM0MD_INIT_COUNTER | - TM1MD_INIT_COUNTER << 8; - - TMJCMD = - md | - TM1MD_SRC_TM0CASCADE << 8 | - TM0MD_COUNT_ENABLE | - TM1MD_COUNT_ENABLE << 8; - - t16 = TMJCMD; - - TMJCICR |= GxICR_ENABLE | GxICR_DETECT | GxICR_REQUEST; - t16 = TMJCICR; -} - -static inline void shutdown_jiffies_counter(void) -{ -} - -#endif /* !__ASSEMBLY__ */ - - -/* - * timestamp counter specifications - */ - -#define TMTSCBR_MAX 0xffffffff -#define TMTSCBC TM45BC - -#ifndef __ASSEMBLY__ - -static inline void startup_timestamp_counter(void) -{ - /* set up timer 4 & 5 cascaded as a 32-bit counter to count real time - * - count down from 4Gig-1 to 0 and wrap at IOCLK rate - */ - TM45BR = TMTSCBR_MAX; - - TM4MD = TM4MD_SRC_IOCLK; - TM4MD |= TM4MD_INIT_COUNTER; - TM4MD &= ~TM4MD_INIT_COUNTER; - TM4ICR = 0; - - TM5MD = TM5MD_SRC_TM4CASCADE; - TM5MD |= TM5MD_INIT_COUNTER; - TM5MD &= ~TM5MD_INIT_COUNTER; - TM5ICR = 0; - - TM5MD |= TM5MD_COUNT_ENABLE; - TM4MD |= TM4MD_COUNT_ENABLE; -} - -static inline void shutdown_timestamp_counter(void) -{ - TM4MD = 0; - TM5MD = 0; -} - -/* - * we use a cascaded pair of 16-bit down-counting timers to count I/O - * clock cycles for the purposes of time keeping - */ -typedef unsigned long cycles_t; - -static inline cycles_t read_timestamp_counter(void) -{ - return (cycles_t)TMTSCBC; -} - -#endif /* !__ASSEMBLY__ */ - -#endif /* _ASM_UNIT_TIMEX_H */ |