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