Make ATA work on M3.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16650 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 60 insertions, 1 deletions

diff --git a/firmware/SOURCES b/firmware/SOURCES
index 1e1085a..f4fc252 100644
--- a/firmware/SOURCES
+++ b/firmware/SOURCES
@@ -496,7 +496,7 @@ target/coldfire/iaudio/m5/audio-m5.c
 #ifdef IAUDIO_M3
 #ifndef SIMULATOR
 target/coldfire/ata-as-coldfire.S
-target/coldfire/iaudio/ata-iaudio.c
+target/coldfire/iaudio/m3/ata-m3.c
 target/coldfire/iaudio/m3/backlight-m3.c
 target/coldfire/iaudio/m3/button-m3.c
 target/coldfire/iaudio/m3/lcd-m3.c
diff --git a/firmware/target/coldfire/iaudio/m3/ata-m3.c b/firmware/target/coldfire/iaudio/m3/ata-m3.c
new file mode 100644
index 0000000..3a0a28b
--- /dev/null
+++ b/firmware/target/coldfire/iaudio/m3/ata-m3.c
@@ -0,0 +1,59 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2008 by Jens Arnold
+ *
+ * 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"
+
+void ata_reset(void)
+{
+    and_l(~0x00000040, &GPIO1_OUT);
+    sleep(1); /* > 25us */
+    or_l(0x00000040, &GPIO1_OUT);
+    sleep(1); /* > 2ms */
+}
+
+void ata_enable(bool on)
+{
+    if(on)
+        and_l(~0x01000000, &GPIO1_OUT);
+    else
+        or_l(0x01000000, &GPIO1_OUT);
+}
+
+bool ata_is_coldstart(void)
+{
+    return true; /* TODO */
+}
+
+void ata_device_init(void)
+{
+    /* ATA enable & reset */
+    or_l(0x01000040, &GPIO1_OUT);
+    or_l(0x01000040, &GPIO1_ENABLE);
+    or_l(0x01000040, &GPIO1_FUNCTION);
+
+    /* USB enable */
+    and_l(~0x10000000, &GPIO_OUT);
+    or_l(0x10000000, &GPIO_ENABLE);
+    or_l(0x10000000, &GPIO_FUNCTION);
+}