summaryrefslogtreecommitdiffstats
path: root/firmware/target/coldfire/mpio/ata-target.h
diff options
context:
space:
mode:
Diffstat (limited to 'firmware/target/coldfire/mpio/ata-target.h')
-rw-r--r--firmware/target/coldfire/mpio/ata-target.h77
1 files changed, 77 insertions, 0 deletions
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