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authorJens Arnold <amiconn@rockbox.org>2007-03-05 00:04:00 +0000
committerJens Arnold <amiconn@rockbox.org>2007-03-05 00:04:00 +0000
commit8876018d25c6a56cce118482c1372bbff344cb23 (patch)
treea66dca10bf92674c655b9862fd366ecc77bba76a /firmware/target/coldfire/iaudio/usb-iaudio.c
parentee07215d506def8d3483f4adf6e1d4ae51c10c52 (diff)
downloadrockbox-8876018d25c6a56cce118482c1372bbff344cb23.tar.gz
rockbox-8876018d25c6a56cce118482c1372bbff344cb23.zip
Bring up the M5 port to a working stage: Extended numerous explicit checks for IAUDIO_X5 to also check for IAUDIO_M5, moved code around the target tree, added preliminary background for the sim.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12610 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/coldfire/iaudio/usb-iaudio.c')
-rw-r--r--firmware/target/coldfire/iaudio/usb-iaudio.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/firmware/target/coldfire/iaudio/usb-iaudio.c b/firmware/target/coldfire/iaudio/usb-iaudio.c
new file mode 100644
index 0000000000..3bd1a7a458
--- /dev/null
+++ b/firmware/target/coldfire/iaudio/usb-iaudio.c
@@ -0,0 +1,45 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2006 by Linus Nielsen Feltzing
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "config.h"
+#include <stdbool.h>
+#include "cpu.h"
+#include "system.h"
+
+void usb_init_device(void)
+{
+ or_l(0x00800010, &GPIO_OUT); /* RESET deasserted, VBUS powered */
+ or_l(0x00800010, &GPIO_ENABLE);
+ or_l(0x00800010, &GPIO_FUNCTION);
+
+ or_l(0x00800000, &GPIO1_FUNCTION); /* USB detect */
+}
+
+bool usb_detect(void)
+{
+ return (GPIO1_READ & 0x00800000)?true:false;
+}
+
+void usb_enable(bool on)
+{
+ if(on) {
+ or_l(0x00000008, &GPIO1_OUT);
+ } else {
+ and_l(~0x00000008, &GPIO1_OUT);
+ }
+}