62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
/*
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* DaVinci timer definitions
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*
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* Author: Kevin Hilman, MontaVista Software, Inc.
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* (C) 2007-2008 MontaVista Software, Inc. <source@mvista.com>
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*/
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#ifndef __ASM_ARCH_TIME_H
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#define __ASM_ARCH_TIME_H
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/* Timer register offsets */
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#define PID12 0x0
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#define TIM12 0x10
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#define TIM34 0x14
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#define PRD12 0x18
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#define PRD34 0x1c
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#define TCR 0x20
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#define TGCR 0x24
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#define WDTCR 0x28
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#define CMP12(n) (0x60 + ((n) << 2))
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/* Timer register bitfields */
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#define ENAMODE12_SHIFT 6
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#define ENAMODE34_SHIFT 22
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#define TCR_ENAMODE_DISABLE 0x0
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#define TCR_ENAMODE_ONESHOT 0x1
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#define TCR_ENAMODE_PERIODIC 0x2
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#define TCR_ENAMODE_MASK 0x3
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#define TGCR_TIMMODE_SHIFT 2
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#define TGCR_TIMMODE_64BIT_GP 0x0
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#define TGCR_TIMMODE_32BIT_UNCHAINED 0x1
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#define TGCR_TIMMODE_64BIT_WDOG 0x2
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#define TGCR_TIMMODE_32BIT_CHAINED 0x3
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#define TGCR_TIM12RS_SHIFT 0
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#define TGCR_TIM34RS_SHIFT 1
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#define TGCR_RESET 0x0
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#define TGCR_UNRESET 0x1
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#define TGCR_RESET_MASK 0x3
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#define WDTCR_WDEN_SHIFT 14
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#define WDTCR_WDEN_DISABLE 0x0
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#define WDTCR_WDEN_ENABLE 0x1
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#define WDTCR_WDKEY_SHIFT 16
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#define WDTCR_WDKEY_SEQ0 0xA5C6
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#define WDTCR_WDKEY_SEQ1 0xDA7E
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enum {
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T0_BOT,
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T0_TOP,
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T1_BOT,
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T1_TOP,
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NUM_TIMERS
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};
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#endif /* __ASM_ARCH_TIME_H__ */
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