From 28d54c6016459ffe93c0be2efea7de27c38d783c Mon Sep 17 00:00:00 2001
From: Marcin Bukat <marcin.bukat@gmail.com>
Date: Mon, 26 Apr 2010 21:40:16 +0000
Subject: Add MPIO HD200 port - new files

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25725 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/target/coldfire/mpio/ata-target.h | 77 ++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 firmware/target/coldfire/mpio/ata-target.h

(limited to 'firmware/target/coldfire/mpio/ata-target.h')

diff --git a/firmware/target/coldfire/mpio/ata-target.h b/firmware/target/coldfire/mpio/ata-target.h
new file mode 100644
index 0000000000..1fa4c5af41
--- /dev/null
+++ b/firmware/target/coldfire/mpio/ata-target.h
@@ -0,0 +1,77 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id:$
+ *
+ * Copyright (C) 2010 Marcin Bukat
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * 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 - we skip this for now*/
+#define ATA_OPTIMIZED_READING
+//#define ATA_OPTIMIZED_WRITING
+
+#define SWAP_WORDS
+
+#define ATA_IOBASE      0x20000000
+#define ATA_DATA        (*((volatile unsigned short*)(ATA_IOBASE + 0x20)))
+#define ATA_CONTROL     (*((volatile unsigned short*)(ATA_IOBASE + 0x1c)))
+
+#define ATA_ERROR       (*((volatile unsigned short*)(ATA_IOBASE + 0x22)))
+#define ATA_NSECTOR     (*((volatile unsigned short*)(ATA_IOBASE + 0x24)))
+#define ATA_SECTOR      (*((volatile unsigned short*)(ATA_IOBASE + 0x26)))
+#define ATA_LCYL        (*((volatile unsigned short*)(ATA_IOBASE + 0x28)))
+#define ATA_HCYL        (*((volatile unsigned short*)(ATA_IOBASE + 0x2a)))
+#define ATA_SELECT      (*((volatile unsigned short*)(ATA_IOBASE + 0x2c)))
+#define ATA_COMMAND     (*((volatile unsigned short*)(ATA_IOBASE + 0x2e)))
+
+
+#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 ERROR_IDNF     0x10
+
+#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)
+
+void ata_reset(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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