summaryrefslogtreecommitdiffstats
path: root/firmware/target/coldfire/iaudio/ata-iaudio.c
diff options
context:
space:
mode:
Diffstat (limited to 'firmware/target/coldfire/iaudio/ata-iaudio.c')
-rw-r--r--firmware/target/coldfire/iaudio/ata-iaudio.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/firmware/target/coldfire/iaudio/ata-iaudio.c b/firmware/target/coldfire/iaudio/ata-iaudio.c
new file mode 100644
index 0000000000..21c088288a
--- /dev/null
+++ b/firmware/target/coldfire/iaudio/ata-iaudio.c
@@ -0,0 +1,64 @@
+/***************************************************************************
+ * __________ __ ___.
+ * 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 "cpu.h"
+#include <stdbool.h>
+#include "kernel.h"
+#include "system.h"
+#include "power.h"
+#include "pcf50606.h"
+
+void ata_reset(void)
+{
+ and_l(~0x40000000, &GPIO_OUT);
+ sleep(1); /* > 25us */
+ or_l(0x40000000, &GPIO_OUT);
+ sleep(1); /* > 2ms */
+}
+
+void ata_enable(bool on)
+{
+ if(on)
+ and_l(~0x00000800, &GPIO1_OUT);
+ else
+ or_l(0x00000800, &GPIO1_OUT);
+}
+
+bool ata_is_coldstart(void)
+{
+ return true; /* TODO */
+}
+
+void ata_device_init(void)
+{
+ /* ATA reset */
+ or_l(0x40000000, &GPIO_OUT);
+ or_l(0x40000000, &GPIO_ENABLE);
+ or_l(0x40000000, &GPIO_FUNCTION);
+
+ /* ATA enable */
+ or_l(0x00000800, &GPIO1_OUT);
+ or_l(0x00000800, &GPIO1_ENABLE);
+ or_l(0x00000800, &GPIO1_FUNCTION);
+
+ /* USB enable */
+ and_l(~0x00000008, &GPIO1_OUT);
+ or_l(0x00000008, &GPIO1_ENABLE);
+ or_l(0x00000008, &GPIO1_FUNCTION);
+}