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author | Reinhard Meyer <u-boot@emk-elektronik.de> | 2010-07-27 16:22:09 +0200 |
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committer | Reinhard Meyer <u-boot@emk-elektronik.de> | 2010-09-03 11:20:02 +0200 |
commit | c7260d153994d65416b9b275838f101738e60564 (patch) | |
tree | 9fb9bbb1315c02b83e60d2239216154abd505724 /arch/arm/include/asm/arch-at91/at91_rtt.h | |
parent | 1592ef8596fffd937a30462eb15f1d64e237ae49 (diff) | |
download | u-boot-imx-c7260d153994d65416b9b275838f101738e60564.zip u-boot-imx-c7260d153994d65416b9b275838f101738e60564.tar.gz u-boot-imx-c7260d153994d65416b9b275838f101738e60564.tar.bz2 |
AT91: add RTT and GPBR based RTC
Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
Diffstat (limited to 'arch/arm/include/asm/arch-at91/at91_rtt.h')
-rw-r--r-- | arch/arm/include/asm/arch-at91/at91_rtt.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-at91/at91_rtt.h b/arch/arm/include/asm/arch-at91/at91_rtt.h new file mode 100644 index 0000000..e0253ef --- /dev/null +++ b/arch/arm/include/asm/arch-at91/at91_rtt.h @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2010 + * Reinhard Meyer, reinhard.meyer@emk-elektronik.de + * + * Real-time Timer + * Based on AT91SAM9XE datasheet + * + * 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_RTT_H +#define AT91_RTT_H + +#ifndef __ASSEMBLY__ + +typedef struct at91_rtt { + u32 mr; /* Mode Register RW 0x00008000 */ + u32 ar; /* Alarm Register RW 0xFFFFFFFF */ + u32 vr; /* Value Register RO 0x00000000 */ + u32 sr; /* Status Register RO 0x00000000 */ +} at91_rtt_t; + +#endif /* __ASSEMBLY__ */ + +#define AT91_RTT_MR_RTPRES 0x0000ffff +#define AT91_RTT_MR_ALMIEN 0x00010000 +#define AT91_RTT_RTTINCIEN 0x00020000 +#define AT91_RTT_RTTRST 0x00040000 + +#define AT91_RTT_SR_ALMS 0x00000001 +#define AT91_RTT_SR_RTTINC 0x00000002 + +#endif |