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28 lines
750 B
C
28 lines
750 B
C
/*
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* [origin: Linux kernel include/asm-arm/arch-at91/at91_pit.h]
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*
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* Copyright (C) 2007 Andrew Victor
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* Copyright (C) 2007 Atmel Corporation.
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*
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* Periodic Interval Timer (PIT) - System peripherals regsters.
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* Based on AT91SAM9261 datasheet revision D.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef AT91_PIT_H
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#define AT91_PIT_H
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typedef struct at91_pit {
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u32 mr; /* 0x00 Mode Register */
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u32 sr; /* 0x04 Status Register */
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u32 pivr; /* 0x08 Periodic Interval Value Register */
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u32 piir; /* 0x0C Periodic Interval Image Register */
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} at91_pit_t;
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#define AT91_PIT_MR_IEN 0x02000000
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#define AT91_PIT_MR_EN 0x01000000
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#define AT91_PIT_MR_PIV_MASK(x) (x & 0x000fffff)
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#define AT91_PIT_MR_PIV(x) (x & AT91_PIT_MR_PIV_MASK)
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#endif
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