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author | Will Robertson <aliask@rockbox.org> | 2007-09-21 15:51:53 +0000 |
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committer | Will Robertson <aliask@rockbox.org> | 2007-09-21 15:51:53 +0000 |
commit | 590501cfe404b5463adecc70628e5bc7c8f142a2 (patch) | |
tree | 3b038f90c9c3bbef8cf0b84f5a4ea338f9599851 /firmware/target/arm/imx31/gigabeat-s/ata-target.h | |
parent | a26110c52dff9bc15d20146462d52d07f61bd238 (diff) | |
download | rockbox-590501cfe404b5463adecc70628e5bc7c8f142a2.tar.gz rockbox-590501cfe404b5463adecc70628e5bc7c8f142a2.zip |
Merge the Gigabeat S branch back into trunk. Fingers crossed nothing breaks.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14805 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/imx31/gigabeat-s/ata-target.h')
-rw-r--r-- | firmware/target/arm/imx31/gigabeat-s/ata-target.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/firmware/target/arm/imx31/gigabeat-s/ata-target.h b/firmware/target/arm/imx31/gigabeat-s/ata-target.h new file mode 100644 index 0000000000..6dd6da9134 --- /dev/null +++ b/firmware/target/arm/imx31/gigabeat-s/ata-target.h | |||
@@ -0,0 +1,70 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2006 by Linus Nielsen Feltzing | ||
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 | /* Plain C read & write loops */ | ||
23 | #define PREFER_C_READING | ||
24 | #define PREFER_C_WRITING | ||
25 | #if !defined(BOOTLOADER) | ||
26 | #define ATA_OPTIMIZED_READING | ||
27 | void copy_read_sectors(unsigned char* buf, int wordcount); | ||
28 | #endif | ||
29 | |||
30 | #define ATA_IOBASE 0x43F8C000 | ||
31 | #define ATA_DATA (*((volatile unsigned short*)(ATA_IOBASE + 0xA0))) | ||
32 | #define ATA_ERROR (*((volatile unsigned char*)(ATA_IOBASE + 0xA4))) | ||
33 | #define ATA_NSECTOR (*((volatile unsigned char*)(ATA_IOBASE + 0xA8))) | ||
34 | #define ATA_SECTOR (*((volatile unsigned char*)(ATA_IOBASE + 0xAC))) | ||
35 | #define ATA_LCYL (*((volatile unsigned char*)(ATA_IOBASE + 0xB0))) | ||
36 | #define ATA_HCYL (*((volatile unsigned char*)(ATA_IOBASE + 0xB4))) | ||
37 | #define ATA_SELECT (*((volatile unsigned char*)(ATA_IOBASE + 0xB8))) | ||
38 | #define ATA_COMMAND (*((volatile unsigned char*)(ATA_IOBASE + 0xBC))) | ||
39 | #define ATA_CONTROL (*((volatile unsigned char*)(ATA_IOBASE + 0xD8))) | ||
40 | |||
41 | #define STATUS_BSY 0x80 | ||
42 | #define STATUS_RDY 0x40 | ||
43 | #define STATUS_DF 0x20 | ||
44 | #define STATUS_DRQ 0x08 | ||
45 | #define STATUS_ERR 0x01 | ||
46 | #define ERROR_ABRT 0x04 | ||
47 | |||
48 | #define WRITE_PATTERN1 0xa5 | ||
49 | #define WRITE_PATTERN2 0x5a | ||
50 | #define WRITE_PATTERN3 0xaa | ||
51 | #define WRITE_PATTERN4 0x55 | ||
52 | |||
53 | #define READ_PATTERN1 0xa5 | ||
54 | #define READ_PATTERN2 0x5a | ||
55 | #define READ_PATTERN3 0xaa | ||
56 | #define READ_PATTERN4 0x55 | ||
57 | |||
58 | #define READ_PATTERN1_MASK 0xff | ||
59 | #define READ_PATTERN2_MASK 0xff | ||
60 | #define READ_PATTERN3_MASK 0xff | ||
61 | #define READ_PATTERN4_MASK 0xff | ||
62 | |||
63 | #define SET_REG(reg,val) reg = (val) | ||
64 | #define SET_16BITREG(reg,val) reg = (val) | ||
65 | |||
66 | void ata_reset(void); | ||
67 | void ata_device_init(void); | ||
68 | bool ata_is_coldstart(void); | ||
69 | |||
70 | #endif | ||