source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Inc/Controllers/PDC20x30.inc@ 588

Last change on this file since 588 was 587, checked in by Tomi Tilli, 10 years ago

Changes to XTIDE Universal BIOS:

  • Added support for Promise PDC 20230-C and 20630 VLB IDE controllers (untested).
File size: 2.2 KB
RevLine 
[587]1; Project name : XTIDE Universal BIOS
2; Description : Promise PDC 20230-C and 20630 VLB IDE controller
3; specifications.
4;
5; Specifications can be found at
6
7;
8; XTIDE Universal BIOS and Associated Tools
9; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
10;
11; This program is free software; you can redistribute it and/or modify
12; it under the terms of the GNU General Public License as published by
13; the Free Software Foundation; either version 2 of the License, or
14; (at your option) any later version.
15;
16; This program is distributed in the hope that it will be useful,
17; but WITHOUT ANY WARRANTY; without even the implied warranty of
18; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19; GNU General Public License for more details.
20; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
21;
22
23%ifndef PDC20x30_INC
24%define PDC20x30_INC
25
26
27; SECTOR_COUNT_REGISTER in programming mode
28FLG_PDCSCR_UNKNOWN_BIT7 EQU (1<<7) ; Set to 1 for speed setting 7 of device 0 or 1
29FLG_PDCSCR_ID3 EQU (1<<6) ; VLB bus speed: 0 > 33 MHz, 1 <= 33 MHz
30POS_PDCSCR_DEV0SPEED EQU 3
31MASK_PDCSCR_DEV0SPEED EQU (7<<POS_PDCSCR_DEV0SPEED) ; 0 to 7
32MASK_PDCSCR_DEV1SPEED EQU (7<<0) ; 0 to 7
33
34
35; LOW_CYLINDER_REGISTER in programming mode
36; This is only on PDC 20630!
37FLG_PDCLCR_DEV0SPEED_BIT4 EQU (1<<7) ; Possibly speed bit 4 (speed settings 8 to 15)?
38FLG_PDCLCR_DEV1SPEED_BIT4 EQU (1<<6) ; Same as above but for device 1
39FLG_PDCLCR_DEV0IORDY EQU (1<<5) ; Not sure about this
40FLG_PDCLCR_DEV1IORDY EQU (1<<4) ; Same as above but for device 15
41FLG_PDCLCR_ENABLE_EXTRA_REGISTERS EQU (1<<3)
42
43
44; PDC 20630 specific registers mapped after IDE registers
45PDC20630_INDEX_REGISTER EQU 8 ; 1F8h
46PDC20630_DATA_REGISTER EQU 9 ; 1F9h
47
48; PDC 20630 registers to access through index and data register
49PDCREG0_TIMING_OF_DEV0_LOW EQU 0 ; Low, high, what timings?
50PDCREG1_TIMING_OF_DEV0_HIGH EQU 1
51PDCREG2_TIMING_OF_DEV1_LOW EQU 2
52PDCREG3_TIMING_OF_DEV1_HIGH EQU 3
53PDCREG7_STATUS EQU 7
54
55FLG_PDCSTATUS_DMA_ERROR EQU (1<<4) ; ?
56FLG_PDCSTATUS_DMA_READ_COMPLETED EQU (1<<1) ; ?
57FLG_PDCSTATUS_DMA_WRITE_COMPLETED EQU (1<<0) ; ?
58
59
60%endif ; PDC20x30_INC
Note: See TracBrowser for help on using the repository browser.