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author | Jens Arnold <amiconn@rockbox.org> | 2006-12-03 22:13:44 +0000 |
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committer | Jens Arnold <amiconn@rockbox.org> | 2006-12-03 22:13:44 +0000 |
commit | 31ffd7b1540c42e9cc051dc73a1f3acf77885e5d (patch) | |
tree | 4e854ed96739301d22b3ddb7c0213a57d633137f /firmware/target/sh/archos/ata-target.h | |
parent | dc956ce993ad01d8304415d4524f4217198a3102 (diff) | |
download | rockbox-31ffd7b1540c42e9cc051dc73a1f3acf77885e5d.tar.gz rockbox-31ffd7b1540c42e9cc051dc73a1f3acf77885e5d.zip |
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
Diffstat (limited to 'firmware/target/sh/archos/ata-target.h')
-rwxr-xr-x | firmware/target/sh/archos/ata-target.h | 80 |
1 files changed, 80 insertions, 0 deletions
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 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2006 by Jens Arnold | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | #ifndef ATA_TARGET_H | ||
20 | #define ATA_TARGET_H | ||
21 | |||
22 | /* asm optimised read & write loops */ | ||
23 | #define ATA_OPTIMIZED_READING | ||
24 | #define ATA_OPTIMIZED_WRITING | ||
25 | #define ATA_ADDRESS_DETECT /* need address detection */ | ||
26 | |||
27 | #define SWAP_WORDS | ||
28 | |||
29 | #define ATA_IOBASE 0x06100100 | ||
30 | #define ATA_DATA (*((volatile unsigned short*)0x06104100)) | ||
31 | #define ATA_CONTROL1 ((volatile unsigned char*)0x06200206) | ||
32 | #define ATA_CONTROL2 ((volatile unsigned char*)0x06200306) | ||
33 | #define ATA_CONTROL (*ata_control) | ||
34 | |||
35 | #define ATA_ERROR (*((volatile unsigned char*)ATA_IOBASE + 1)) | ||
36 | #define ATA_NSECTOR (*((volatile unsigned char*)ATA_IOBASE + 2)) | ||
37 | #define ATA_SECTOR (*((volatile unsigned char*)ATA_IOBASE + 3)) | ||
38 | #define ATA_LCYL (*((volatile unsigned char*)ATA_IOBASE + 4)) | ||
39 | #define ATA_HCYL (*((volatile unsigned char*)ATA_IOBASE + 5)) | ||
40 | #define ATA_SELECT (*((volatile unsigned char*)ATA_IOBASE + 6)) | ||
41 | #define ATA_COMMAND (*((volatile unsigned char*)ATA_IOBASE + 7)) | ||
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 | |||
51 | #define WRITE_PATTERN1 0xa5 | ||
52 | #define WRITE_PATTERN2 0x5a | ||
53 | #define WRITE_PATTERN3 0xaa | ||
54 | #define WRITE_PATTERN4 0x55 | ||
55 | |||
56 | #define READ_PATTERN1 0xa5 | ||
57 | #define READ_PATTERN2 0x5a | ||
58 | #define READ_PATTERN3 0xaa | ||
59 | #define READ_PATTERN4 0x55 | ||
60 | |||
61 | #define READ_PATTERN1_MASK 0xff | ||
62 | #define READ_PATTERN2_MASK 0xff | ||
63 | #define READ_PATTERN3_MASK 0xff | ||
64 | #define READ_PATTERN4_MASK 0xff | ||
65 | |||
66 | #define SET_REG(reg,val) reg = (val) | ||
67 | #define SET_16BITREG(reg,val) reg = (val) | ||
68 | |||
69 | extern volatile unsigned char* ata_control; | ||
70 | extern int ata_io_address; | ||
71 | |||
72 | void ata_reset(void); | ||
73 | void ata_address_detect(void); | ||
74 | void ata_enable(bool on); | ||
75 | void ata_device_init(void); | ||
76 | bool ata_is_coldstart(void); | ||
77 | |||
78 | void copy_read_sectors(unsigned char* buf, int wordcount); | ||
79 | void copy_write_sectors(const unsigned char* buf, int wordcount); | ||
80 | #endif | ||