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authorWolfgang Denk <wd@denx.de>2010-09-08 00:42:00 +0200
committerWolfgang Denk <wd@denx.de>2010-09-08 00:42:00 +0200
commitcf64fda38e3d71e9077e11c673bd9be449c680da (patch)
treea847fb6cd48330482642ff92e34a7329b339acd2 /arch/arm/include/asm/arch-at91/at91_rtt.h
parent09b4a9cf4003599f2cd609587dfa5f0b754640ed (diff)
parent5c3dab97c751e43103813472283305cbfe70d3f0 (diff)
Merge branch 'at91' of git://git.denx.de/u-boot-atmel
Diffstat (limited to 'arch/arm/include/asm/arch-at91/at91_rtt.h')
-rw-r--r--arch/arm/include/asm/arch-at91/at91_rtt.h36
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 0000000000..e0253ef821
--- /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