1 //==========================================================================
5 // IDE Interface Driver Tables for RedBoot
7 //==========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
13 // eCos is free software; you can redistribute it and/or modify it under
14 // the terms of the GNU General Public License as published by the Free
15 // Software Foundation; either version 2 or (at your option) any later version.
17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
22 // You should have received a copy of the GNU General Public License along
23 // with eCos; if not, write to the Free Software Foundation, Inc.,
24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
26 // As a special exception, if other files instantiate templates or use macros
27 // or inline functions from this file, or you compile this file and link it
28 // with other works to produce a work based on this file, this file does not
29 // by itself cause the resulting work to be covered by the GNU General Public
30 // License. However the source code for this file must still be made available
31 // in accordance with section (3) of the GNU General Public License.
33 // This exception does not invalidate any other reasons why a work based on
34 // this file might be covered by the GNU General Public License.
36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
37 // at http://sources.redhat.com/ecos/ecos-license/
38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
40 //==========================================================================
41 //#####DESCRIPTIONBEGIN####
44 // Contributors: msalter
49 // This code is part of RedBoot (tm).
51 //####DESCRIPTIONEND####
53 //==========================================================================
55 #ifndef CYGONCE_REDBOOT_IDE_H
56 #define CYGONCE_REDBOOT_IDE_H
58 // IDE Register Indices
59 #define IDE_REG_DATA 0
60 #define IDE_REG_ERROR 1
61 #define IDE_REG_FEATURES 1
62 #define IDE_REG_COUNT 2
63 #define IDE_REG_REASON 2 // ATAPI
64 #define IDE_REG_LBALOW 3
65 #define IDE_REG_LBAMID 4
66 #define IDE_REG_LBAHI 5
67 #define IDE_REG_DEVICE 6
68 #define IDE_REG_STATUS 7
69 #define IDE_REG_COMMAND 7
71 #define IDE_STAT_BSY 0x80
72 #define IDE_STAT_DRDY 0x40
73 #define IDE_STAT_SERVICE 0x10
74 #define IDE_STAT_DRQ 0x08
75 #define IDE_STAT_CORR 0x04
76 #define IDE_STAT_ERR 0x01
78 #define IDE_REASON_REL 0x04
79 #define IDE_REASON_IO 0x02
80 #define IDE_REASON_COD 0x01
83 // Drive ID offsets of interest
85 #define IDE_DEVID_GENCONFIG 0
86 #define IDE_DEVID_SERNO 20
87 #define IDE_DEVID_MODEL 54
88 #define IDE_DEVID_LBA_CAPACITY 120
97 #define IDE_DEV_PRESENT 1 // Device is present
98 #define IDE_DEV_PACKET 2 // Supports packet interface
99 #define IDE_DEV_ADDR48 3 // Supports 48bit addressing
101 #define CDROM_SECTOR_SIZE 2048
102 #define SECTORS_PER_CDROM_SECTOR (CDROM_SECTOR_SIZE/SECTOR_SIZE)
104 #endif // CYGONCE_REDBOOT_IDE_H