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31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
#ifndef __ASM_ARM_HARDWARE_ARM_TIMER_H
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#define __ASM_ARM_HARDWARE_ARM_TIMER_H
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/*
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* ARM timer implementation, found in Integrator, Versatile and Realview
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* platforms. Not all platforms support all registers and bits in these
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* registers, so we mark them with A for Integrator AP, C for Integrator
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* CP, V for Versatile and R for Realview.
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*
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* Integrator AP has 16-bit timers, Integrator CP, Versatile and Realview
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* can have 16-bit or 32-bit selectable via a bit in the control register.
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*/
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#define TIMER_LOAD 0x00 /* ACVR rw */
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#define TIMER_VALUE 0x04 /* ACVR ro */
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#define TIMER_CTRL 0x08 /* ACVR rw */
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#define TIMER_CTRL_ONESHOT (1 << 0) /* CVR */
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#define TIMER_CTRL_32BIT (1 << 1) /* CVR */
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#define TIMER_CTRL_DIV1 (0 << 2) /* ACVR */
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#define TIMER_CTRL_DIV16 (1 << 2) /* ACVR */
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#define TIMER_CTRL_DIV256 (2 << 2) /* ACVR */
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#define TIMER_CTRL_IE (1 << 5) /* VR */
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#define TIMER_CTRL_PERIODIC (1 << 6) /* ACVR */
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#define TIMER_CTRL_ENABLE (1 << 7) /* ACVR */
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#define TIMER_INTCLR 0x0c /* ACVR wo */
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#define TIMER_RIS 0x10 /* CVR ro */
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#define TIMER_MIS 0x14 /* CVR ro */
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#define TIMER_BGLOAD 0x18 /* CVR rw */
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#endif
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