diff options
| author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:08 -0500 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:12 +0200 |
| commit | 819833af39a91fa1c1e8252862bbda6f5a602f7b (patch) | |
| tree | d5c9d1628643347ab2b5a8085acfa6f96709fda3 /arch/arm/include/asm/arch-at91/at91_pit.h | |
| parent | 61f2b38a17f5b21c59f2afe6cf1cbb5f28638cf9 (diff) | |
Move architecture-specific includes to arch/$ARCH/include/asm
This helps to clean up the include/ directory so that it only contains
non-architecture-specific headers and also matches Linux's directory
layout which many U-Boot developers are already familiar with.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/arm/include/asm/arch-at91/at91_pit.h')
| -rw-r--r-- | arch/arm/include/asm/arch-at91/at91_pit.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-at91/at91_pit.h b/arch/arm/include/asm/arch-at91/at91_pit.h new file mode 100644 index 0000000000..5615a0206c --- /dev/null +++ b/arch/arm/include/asm/arch-at91/at91_pit.h @@ -0,0 +1,47 @@ +/* + * [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. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#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 & 0x000fffff) +#define AT91_PIT_MR_PIV(x) (x & AT91_PIT_MR_PIV_MASK) + +#ifdef CONFIG_AT91_LEGACY + +#define AT91_PIT_MR (AT91_PIT + 0x00) /* Mode Register */ +#define AT91_PIT_PITIEN (1 << 25) /* Timer Interrupt Enable */ +#define AT91_PIT_PITEN (1 << 24) /* Timer Enabled */ +#define AT91_PIT_PIV (0xfffff) /* Periodic Interval Value */ + +#define AT91_PIT_SR (AT91_PIT + 0x04) /* Status Register */ +#define AT91_PIT_PITS (1 << 0) /* Timer Status */ + +#define AT91_PIT_PIVR (AT91_PIT + 0x08) /* Periodic Interval Value Register */ +#define AT91_PIT_PIIR (AT91_PIT + 0x0c) /* Periodic Interval Image Register */ +#define AT91_PIT_PICNT (0xfff << 20) /* Interval Counter */ +#define AT91_PIT_CPIV (0xfffff) /* Inverval Value */ + +#endif /* CONFIG_AT91_LEGACY */ +#endif |