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9839c6b8dd
Patch from Tony Lindgren This patch syncs the mainline kernel with linux-omap tree. The highlights of the patch are: - Start adding 24xx support by Paul Mundt - Clean-up of cpu detection by Dirk Behme and Tony Lindgren - Add DSP header by Toshihiro Kobayashi - Add support for mtd-xip by Vladimir Barinov - Add various new mux registers - Move OMAP specific serial defines back to serial.h Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
93 lines
3.6 KiB
C
93 lines
3.6 KiB
C
/*
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* linux/include/asm-arm/arm/arch-omap/dmtimer.h
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*
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* OMAP Dual-Mode Timers
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*
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* Copyright (C) 2005 Nokia Corporation
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* Author: Lauri Leukkunen <lauri.leukkunen@nokia.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ASM_ARCH_TIMER_H
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#define __ASM_ARCH_TIMER_H
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#include <linux/list.h>
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#define OMAP_TIMER_SRC_ARMXOR 0x00
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#define OMAP_TIMER_SRC_32_KHZ 0x01
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#define OMAP_TIMER_SRC_EXT_CLK 0x02
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/* timer control reg bits */
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#define OMAP_TIMER_CTRL_CAPTMODE (1 << 13)
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#define OMAP_TIMER_CTRL_PT (1 << 12)
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#define OMAP_TIMER_CTRL_TRG_OVERFLOW (0x1 << 10)
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#define OMAP_TIMER_CTRL_TRG_OFANDMATCH (0x2 << 10)
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#define OMAP_TIMER_CTRL_TCM_LOWTOHIGH (0x1 << 8)
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#define OMAP_TIMER_CTRL_TCM_HIGHTOLOW (0x2 << 8)
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#define OMAP_TIMER_CTRL_TCM_BOTHEDGES (0x3 << 8)
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#define OMAP_TIMER_CTRL_SCPWM (1 << 7)
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#define OMAP_TIMER_CTRL_CE (1 << 6) /* compare enable */
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#define OMAP_TIMER_CTRL_PRE (1 << 5) /* prescaler enable */
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#define OMAP_TIMER_CTRL_PTV_SHIFT 2 /* how much to shift the prescaler value */
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#define OMAP_TIMER_CTRL_AR (1 << 1) /* auto-reload enable */
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#define OMAP_TIMER_CTRL_ST (1 << 0) /* start timer */
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/* timer interrupt enable bits */
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#define OMAP_TIMER_INT_CAPTURE (1 << 2)
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#define OMAP_TIMER_INT_OVERFLOW (1 << 1)
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#define OMAP_TIMER_INT_MATCH (1 << 0)
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struct omap_dm_timer {
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struct list_head timer_list;
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u32 base;
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unsigned int irq;
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};
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u32 omap_dm_timer_read_reg(struct omap_dm_timer *timer, int reg);
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void omap_dm_timer_write_reg(struct omap_dm_timer *timer, int reg, u32 value);
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struct omap_dm_timer * omap_dm_timer_request(void);
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void omap_dm_timer_free(struct omap_dm_timer *timer);
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void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source);
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void omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, unsigned int value);
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void omap_dm_timer_set_trigger(struct omap_dm_timer *timer, unsigned int value);
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void omap_dm_timer_enable_compare(struct omap_dm_timer *timer);
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void omap_dm_timer_enable_autoreload(struct omap_dm_timer *timer);
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void omap_dm_timer_trigger(struct omap_dm_timer *timer);
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void omap_dm_timer_start(struct omap_dm_timer *timer);
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void omap_dm_timer_stop(struct omap_dm_timer *timer);
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void omap_dm_timer_set_load(struct omap_dm_timer *timer, unsigned int load);
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void omap_dm_timer_set_match(struct omap_dm_timer *timer, unsigned int match);
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unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer);
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void omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value);
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unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer);
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void omap_dm_timer_reset_counter(struct omap_dm_timer *timer);
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int omap_dm_timers_active(void);
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#endif /* __ASM_ARCH_TIMER_H */
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