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authorAmaury Pouly <pamaury@rockbox.org>2011-05-01 13:02:46 +0000
committerAmaury Pouly <pamaury@rockbox.org>2011-05-01 13:02:46 +0000
commit08fb3f65745a237e2c1eae55d856ff27702246e5 (patch)
treea56ce11ac20e4df0e36de9195306c10b71752538 /firmware/target/arm/imx233/timrot-imx233.h
parentc0838cbfd8e45621fe3450aee1bf9458ff420d16 (diff)
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Sansa Fuze+: initial commit (bootloader only, LCD basically working)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29808 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/imx233/timrot-imx233.h')
-rw-r--r--firmware/target/arm/imx233/timrot-imx233.h57
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
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+++ 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 */