From 31ffd7b1540c42e9cc051dc73a1f3acf77885e5d Mon Sep 17 00:00:00 2001
From: Jens Arnold <amiconn@rockbox.org>
Date: Sun, 3 Dec 2006 22:13:44 +0000
Subject: Completed target tree move of the ata driver code. Some code cleanup.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11655 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/sh/archos/ata-target.h | 80 ++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100755 firmware/target/sh/archos/ata-target.h

(limited to 'firmware/target/sh/archos/ata-target.h')

diff --git a/firmware/target/sh/archos/ata-target.h b/firmware/target/sh/archos/ata-target.h
new file mode 100755
index 0000000000..ddffb34f5a
--- /dev/null
+++ b/firmware/target/sh/archos/ata-target.h
@@ -0,0 +1,80 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2006 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.
+ *
+ ****************************************************************************/
+#ifndef ATA_TARGET_H
+#define ATA_TARGET_H
+
+/* asm optimised read & write loops */
+#define ATA_OPTIMIZED_READING
+#define ATA_OPTIMIZED_WRITING
+#define ATA_ADDRESS_DETECT /* need address detection */
+
+#define SWAP_WORDS
+
+#define ATA_IOBASE      0x06100100
+#define ATA_DATA        (*((volatile unsigned short*)0x06104100))
+#define ATA_CONTROL1    ((volatile unsigned char*)0x06200206)
+#define ATA_CONTROL2    ((volatile unsigned char*)0x06200306)
+#define ATA_CONTROL     (*ata_control)
+
+#define ATA_ERROR       (*((volatile unsigned char*)ATA_IOBASE + 1))
+#define ATA_NSECTOR     (*((volatile unsigned char*)ATA_IOBASE + 2))
+#define ATA_SECTOR      (*((volatile unsigned char*)ATA_IOBASE + 3))
+#define ATA_LCYL        (*((volatile unsigned char*)ATA_IOBASE + 4))
+#define ATA_HCYL        (*((volatile unsigned char*)ATA_IOBASE + 5))
+#define ATA_SELECT      (*((volatile unsigned char*)ATA_IOBASE + 6))
+#define ATA_COMMAND     (*((volatile unsigned char*)ATA_IOBASE + 7))
+
+#define STATUS_BSY      0x80
+#define STATUS_RDY      0x40
+#define STATUS_DF       0x20
+#define STATUS_DRQ      0x08
+#define STATUS_ERR      0x01
+
+#define ERROR_ABRT      0x04
+
+#define WRITE_PATTERN1 0xa5
+#define WRITE_PATTERN2 0x5a
+#define WRITE_PATTERN3 0xaa
+#define WRITE_PATTERN4 0x55
+
+#define READ_PATTERN1 0xa5
+#define READ_PATTERN2 0x5a
+#define READ_PATTERN3 0xaa
+#define READ_PATTERN4 0x55
+
+#define READ_PATTERN1_MASK 0xff
+#define READ_PATTERN2_MASK 0xff
+#define READ_PATTERN3_MASK 0xff
+#define READ_PATTERN4_MASK 0xff
+
+#define SET_REG(reg,val) reg = (val)
+#define SET_16BITREG(reg,val) reg = (val)
+
+extern volatile unsigned char* ata_control;
+extern int ata_io_address;
+
+void ata_reset(void);
+void ata_address_detect(void);
+void ata_enable(bool on);
+void ata_device_init(void);
+bool ata_is_coldstart(void);
+
+void copy_read_sectors(unsigned char* buf, int wordcount);
+void copy_write_sectors(const unsigned char* buf, int wordcount);
+#endif
-- 
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