Commit whole Creative Zen Vision:M target tree + all related firmware/

changes.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17241 a1c6a512-1295-4272-9138-f99709370657

firmware/target/arm/tms320dm320/creative-zvm/ata-creativezvm.c

@@ -0,0 +1,101 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2008 by Maurus Cuelenaere
+ *
+ * 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 "kernel.h"
+#include "thread.h"
+#include "system.h"
+#include "power.h"
+#include "panic.h"
+#include "ata-target.h"
+
+void ide_power_enable(bool on){
+#if 0
+    IO_INTC_EINT1 &= ~INTR_EINT1_EXT2;
+    if(on)
+    {
+        IO_GIO_BITSET0 = (1 << 14);
+        ata_reset();
+    }
+    else
+        IO_GIO_BITCLR0 = (1 << 14);
+    IO_INTC_EINT1 |= INTR_EINT1_EXT2;
+	return;
+#endif
+}
+
+inline bool ide_powered(){
+#if 0
+	return (IO_GIO_BITSET0 & (1 << 14));
+#else
+    return true;
+#endif
+}
+
+void ata_reset(void)
+{
+/* Disabled until figured out what's wrong */
+	IO_INTC_EINT1 &= ~INTR_EINT1_EXT2; //disable GIO2 interrupt
+	if(!ide_powered())
+	{
+        ide_power_enable(true);
+		sleep(150);
+	}
+	else
+	{
+		IO_GIO_BITSET0 = (1 << 5);
+		IO_GIO_BITCLR0 = (1 << 3);
+		sleep(1);
+	}
+	IO_GIO_BITCLR0 = (1 << 5);
+	sleep(10);
+	IO_GIO_BITSET0 = (1 << 3);
+	while(!(ATA_COMMAND & STATUS_RDY))
+		sleep(10);
+	IO_INTC_EINT1 |= INTR_EINT1_EXT2; //enable GIO2 interrupt
+	return;
+}
+
+void ata_enable(bool on)
+{
+	(void)on;
+	return;
+}
+
+bool ata_is_coldstart(void)
+{
+    return true;
+}
+
+void ata_device_init(void)
+{
+    IO_INTC_EINT1 |= INTR_EINT1_EXT2;   //enable GIO2 interrupt
+    //TODO: mimic OF inits...
+    return;
+}
+
+void GIO2(void)
+{
+#ifdef DEBUG
+    //printf("GIO2 interrupt...");
+#endif
+    IO_INTC_IRQ1 = INTR_IRQ1_EXT2; //Mask GIO2 interrupt
+    return;
+}