1 files changed, 57 insertions, 0 deletions

diff --git a/firmware/target/arm/imx233/timrot-imx233.h b/firmware/target/arm/imx233/timrot-imx233.h
new file mode 100644
index 0000000000..792ab767ac
--- /dev/null
+++ b/firmware/target/arm/imx233/timrot-imx233.h
@@ -0,0 +1,57 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2011 by Amaury Pouly
+ *
+ * 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.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef TIMROT_IMX233_H
+#define TIMROT_IMX233_H
+
+#include "system.h"
+#include "cpu.h"
+
+#define HW_TIMROT_BASE          0x80068000
+
+#define HW_TIMROT_ROTCTRL       (*(volatile uint32_t *)(HW_TIMROT_BASE + 0x0))
+
+#define HW_TIMROT_ROTCOUNT      (*(volatile uint32_t *)(HW_TIMROT_BASE + 0x10))
+
+#define HW_TIMROT_TIMCTRL(i)    (*(volatile uint32_t *)(HW_TIMROT_BASE + 0x20 + (i) * 0x20))
+#define HW_TIMROT_TIMCTRL__IRQ      (1 << 15)
+#define HW_TIMROT_TIMCTRL__IRQ_EN   (1 << 14)
+#define HW_TIMROT_TIMCTRL__POLARITY (1 << 8)
+#define HW_TIMROT_TIMCTRL__UPDATE   (1 << 7)
+#define HW_TIMROT_TIMCTRL__RELOAD   (1 << 6)
+#define HW_TIMROT_TIMCTRL__PRESCALE_1   (0 << 4)
+#define HW_TIMROT_TIMCTRL__PRESCALE_2   (1 << 4)
+#define HW_TIMROT_TIMCTRL__PRESCALE_4   (2 << 4)
+#define HW_TIMROT_TIMCTRL__PRESCALE_8   (3 << 4)
+#define HW_TIMROT_TIMCTRL__SELECT_32KHZ_XTAL    8
+#define HW_TIMROT_TIMCTRL__SELECT_8KHZ_XTAL     9
+#define HW_TIMROT_TIMCTRL__SELECT_4KHZ_XTAL     10
+#define HW_TIMROT_TIMCTRL__SELECT_1KHZ_XTAL     11
+#define HW_TIMROT_TIMCTRL__SELECT_TICK_ALWAYS   12
+
+#define HW_TIMROT_TIMCOUNT(i)   (*(volatile uint32_t *)(HW_TIMROT_BASE + 0x30 + (i) * 0x20))
+
+typedef void (*imx233_timer_fn_t)(void);
+
+void imx233_timrot_init(void);
+void imx233_setup_timer(unsigned timer_nr, bool reload, unsigned count,
+    unsigned src, unsigned prescale, bool polarity, imx233_timer_fn_t fn);
+
+#endif /* TIMROT_IMX233_H */