| Stelian Pop | 048bcfb | 2008-03-26 19:52:30 +0100 | [diff] [blame] | 1 | /* |
| Stelian Pop | d57846e | 2008-05-08 22:52:10 +0200 | [diff] [blame] | 2 | * [origin: Linux kernel include/asm-arm/arch-at91/at91_pit.h] |
| 3 | * |
| 4 | * Copyright (C) 2007 Andrew Victor |
| 5 | * Copyright (C) 2007 Atmel Corporation. |
| Stelian Pop | 048bcfb | 2008-03-26 19:52:30 +0100 | [diff] [blame] | 6 | * |
| 7 | * Periodic Interval Timer (PIT) - System peripherals regsters. |
| 8 | * Based on AT91SAM9261 datasheet revision D. |
| 9 | * |
| Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 10 | * SPDX-License-Identifier: GPL-2.0+ |
| Stelian Pop | 048bcfb | 2008-03-26 19:52:30 +0100 | [diff] [blame] | 11 | */ |
| 12 | |
| 13 | #ifndef AT91_PIT_H |
| 14 | #define AT91_PIT_H |
| 15 | |
| Jens Scharsig | 698ad06 | 2010-02-03 22:46:01 +0100 | [diff] [blame] | 16 | typedef struct at91_pit { |
| 17 | u32 mr; /* 0x00 Mode Register */ |
| 18 | u32 sr; /* 0x04 Status Register */ |
| 19 | u32 pivr; /* 0x08 Periodic Interval Value Register */ |
| 20 | u32 piir; /* 0x0C Periodic Interval Image Register */ |
| 21 | } at91_pit_t; |
| 22 | |
| 23 | #define AT91_PIT_MR_IEN 0x02000000 |
| 24 | #define AT91_PIT_MR_EN 0x01000000 |
| Alexander Stein | 4cf6135 | 2010-08-04 11:24:53 +0200 | [diff] [blame] | 25 | #define AT91_PIT_MR_PIV_MASK(x) (x & 0x000fffff) |
| Jens Scharsig | 698ad06 | 2010-02-03 22:46:01 +0100 | [diff] [blame] | 26 | #define AT91_PIT_MR_PIV(x) (x & AT91_PIT_MR_PIV_MASK) |
| 27 | |
| Stelian Pop | 048bcfb | 2008-03-26 19:52:30 +0100 | [diff] [blame] | 28 | #endif |