diff options
Diffstat (limited to 'firmware/target/coldfire/mpio/ata-target.h')
-rw-r--r-- | firmware/target/coldfire/mpio/ata-target.h | 77 |
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 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id:$ | ||
9 | * | ||
10 | * Copyright (C) 2010 Marcin Bukat | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | #ifndef ATA_TARGET_H | ||
22 | #define ATA_TARGET_H | ||
23 | |||
24 | /* asm optimised read & write loops - we skip this for now*/ | ||
25 | #define ATA_OPTIMIZED_READING | ||
26 | //#define ATA_OPTIMIZED_WRITING | ||
27 | |||
28 | #define SWAP_WORDS | ||
29 | |||
30 | #define ATA_IOBASE 0x20000000 | ||
31 | #define ATA_DATA (*((volatile unsigned short*)(ATA_IOBASE + 0x20))) | ||
32 | #define ATA_CONTROL (*((volatile unsigned short*)(ATA_IOBASE + 0x1c))) | ||
33 | |||
34 | #define ATA_ERROR (*((volatile unsigned short*)(ATA_IOBASE + 0x22))) | ||
35 | #define ATA_NSECTOR (*((volatile unsigned short*)(ATA_IOBASE + 0x24))) | ||
36 | #define ATA_SECTOR (*((volatile unsigned short*)(ATA_IOBASE + 0x26))) | ||
37 | #define ATA_LCYL (*((volatile unsigned short*)(ATA_IOBASE + 0x28))) | ||
38 | #define ATA_HCYL (*((volatile unsigned short*)(ATA_IOBASE + 0x2a))) | ||
39 | #define ATA_SELECT (*((volatile unsigned short*)(ATA_IOBASE + 0x2c))) | ||
40 | #define ATA_COMMAND (*((volatile unsigned short*)(ATA_IOBASE + 0x2e))) | ||
41 | |||
42 | |||
43 | #define STATUS_BSY 0x80 | ||
44 | #define STATUS_RDY 0x40 | ||
45 | #define STATUS_DF 0x20 | ||
46 | #define STATUS_DRQ 0x08 | ||
47 | #define STATUS_ERR 0x01 | ||
48 | |||
49 | #define ERROR_ABRT 0x04 | ||
50 | #define ERROR_IDNF 0x10 | ||
51 | |||
52 | #define WRITE_PATTERN1 0xa5 | ||
53 | #define WRITE_PATTERN2 0x5a | ||
54 | #define WRITE_PATTERN3 0xaa | ||
55 | #define WRITE_PATTERN4 0x55 | ||
56 | |||
57 | #define READ_PATTERN1 0xa5 | ||
58 | #define READ_PATTERN2 0x5a | ||
59 | #define READ_PATTERN3 0xaa | ||
60 | #define READ_PATTERN4 0x55 | ||
61 | |||
62 | #define READ_PATTERN1_MASK 0xff | ||
63 | #define READ_PATTERN2_MASK 0xff | ||
64 | #define READ_PATTERN3_MASK 0xff | ||
65 | #define READ_PATTERN4_MASK 0xff | ||
66 | |||
67 | #define SET_REG(reg,val) reg = (val) | ||
68 | #define SET_16BITREG(reg,val) reg = (val) | ||
69 | |||
70 | void ata_reset(void); | ||
71 | void ata_enable(bool on); | ||
72 | void ata_device_init(void); | ||
73 | bool ata_is_coldstart(void); | ||
74 | |||
75 | void copy_read_sectors(unsigned char* buf, int wordcount); | ||
76 | //void copy_write_sectors(const unsigned char* buf, int wordcount); | ||
77 | #endif | ||