1 | //============================================================================= |
---|
2 | // |
---|
3 | // pci_hw.c |
---|
4 | // |
---|
5 | // PCI hardware library |
---|
6 | // |
---|
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. |
---|
12 | // |
---|
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. |
---|
16 | // |
---|
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 |
---|
20 | // for more details. |
---|
21 | // |
---|
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. |
---|
25 | // |
---|
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. |
---|
32 | // |
---|
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. |
---|
35 | // |
---|
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#### |
---|
42 | // |
---|
43 | // Author(s): jskov, from design by nickg |
---|
44 | // Contributors: jskov |
---|
45 | // Date: 1999-08-09 |
---|
46 | // Purpose: PCI hardware configuration access |
---|
47 | // Description: |
---|
48 | // |
---|
49 | //####DESCRIPTIONEND#### |
---|
50 | // |
---|
51 | //============================================================================= |
---|
52 | |
---|
53 | #include <pkgconf/hal.h> |
---|
54 | #include <cyg/io/pci_hw.h> |
---|
55 | |
---|
56 | // CYG_PCI_PRESENT only gets defined for targets that provide PCI HAL support. |
---|
57 | // See pci_hw.h for details. |
---|
58 | #ifdef CYG_PCI_PRESENT |
---|
59 | |
---|
60 | // Init |
---|
61 | void |
---|
62 | cyg_pcihw_init(void) |
---|
63 | { |
---|
64 | HAL_PCI_INIT(); |
---|
65 | } |
---|
66 | |
---|
67 | // Read functions |
---|
68 | void |
---|
69 | cyg_pcihw_read_config_uint8( cyg_uint8 bus, cyg_uint8 devfn, |
---|
70 | cyg_uint8 offset, cyg_uint8 *val) |
---|
71 | { |
---|
72 | HAL_PCI_CFG_READ_UINT8(bus, devfn, offset, *val); |
---|
73 | } |
---|
74 | |
---|
75 | void |
---|
76 | cyg_pcihw_read_config_uint16( cyg_uint8 bus, cyg_uint8 devfn, |
---|
77 | cyg_uint8 offset, cyg_uint16 *val) |
---|
78 | { |
---|
79 | HAL_PCI_CFG_READ_UINT16(bus, devfn, offset, *val); |
---|
80 | } |
---|
81 | |
---|
82 | void |
---|
83 | cyg_pcihw_read_config_uint32( cyg_uint8 bus, cyg_uint8 devfn, |
---|
84 | cyg_uint8 offset, cyg_uint32 *val) |
---|
85 | { |
---|
86 | HAL_PCI_CFG_READ_UINT32(bus, devfn, offset, *val); |
---|
87 | } |
---|
88 | |
---|
89 | // Write functions |
---|
90 | void |
---|
91 | cyg_pcihw_write_config_uint8( cyg_uint8 bus, cyg_uint8 devfn, |
---|
92 | cyg_uint8 offset, cyg_uint8 val) |
---|
93 | { |
---|
94 | HAL_PCI_CFG_WRITE_UINT8(bus, devfn, offset, val); |
---|
95 | } |
---|
96 | |
---|
97 | void |
---|
98 | cyg_pcihw_write_config_uint16( cyg_uint8 bus, cyg_uint8 devfn, |
---|
99 | cyg_uint8 offset, cyg_uint16 val) |
---|
100 | { |
---|
101 | HAL_PCI_CFG_WRITE_UINT16(bus, devfn, offset, val); |
---|
102 | } |
---|
103 | |
---|
104 | void |
---|
105 | cyg_pcihw_write_config_uint32( cyg_uint8 bus, cyg_uint8 devfn, |
---|
106 | cyg_uint8 offset, cyg_uint32 val) |
---|
107 | { |
---|
108 | HAL_PCI_CFG_WRITE_UINT32(bus, devfn, offset, val); |
---|
109 | } |
---|
110 | |
---|
111 | // Interrupt translation |
---|
112 | cyg_bool |
---|
113 | cyg_pcihw_translate_interrupt( cyg_uint8 bus, cyg_uint8 devfn, |
---|
114 | CYG_ADDRWORD *vec) |
---|
115 | { |
---|
116 | cyg_bool valid; |
---|
117 | |
---|
118 | HAL_PCI_TRANSLATE_INTERRUPT(bus, devfn, *vec, valid); |
---|
119 | |
---|
120 | return valid; |
---|
121 | } |
---|
122 | |
---|
123 | #endif // ifdef CYG_PCI_PRESENT |
---|
124 | |
---|
125 | //----------------------------------------------------------------------------- |
---|
126 | // end of pci_hw.c |
---|