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1 | /* |
1 | /* |
2 | * Copyright (c) 2005 Jakub Vana |
2 | * Copyright (c) 2005 Jakub Vana |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup libcia64 |
29 | /** @addtogroup libcia64 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef LIBC_ia64_DDI_H_ |
35 | #ifndef LIBC_ia64_DDI_H_ |
36 | #define LIBC_ia64_DDI_H_ |
36 | #define LIBC_ia64_DDI_H_ |
37 | 37 | ||
38 | #include <sys/types.h> |
38 | #include <sys/types.h> |
39 | #include <libarch/types.h> |
39 | #include <libarch/types.h> |
40 | 40 | ||
41 | #define IO_SPACE_BOUNDARY (64 * 1024) |
41 | #define IO_SPACE_BOUNDARY (64 * 1024) |
42 | 42 | ||
43 | uint64_t get_ia64_iospace_address(void); |
43 | uint64_t get_ia64_iospace_address(void); |
44 | 44 | ||
45 | extern uint64_t ia64_iospace_address; |
45 | extern uint64_t ia64_iospace_address; |
46 | 46 | ||
47 | #define IA64_IOSPACE_ADDRESS \ |
47 | #define IA64_IOSPACE_ADDRESS \ |
48 | (ia64_iospace_address ? \ |
48 | (ia64_iospace_address ? \ |
49 | ia64_iospace_address : \ |
49 | ia64_iospace_address : \ |
50 | (ia64_iospace_address = get_ia64_iospace_address())) |
50 | (ia64_iospace_address = get_ia64_iospace_address())) |
51 | 51 | ||
52 | static inline void pio_write_8(ioport8_t *port, uint8_t v) |
52 | static inline void pio_write_8(ioport8_t *port, uint8_t v) |
53 | { |
53 | { |
54 | uintptr_t prt = (uintptr_t) port; |
54 | uintptr_t prt = (uintptr_t) port; |
55 | 55 | ||
56 | *((uint8_t *)(IA64_IOSPACE_ADDRESS + |
56 | *((uint8_t *)(IA64_IOSPACE_ADDRESS + |
57 | ((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
57 | ((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
58 | 58 | ||
59 | asm volatile ("mf\n" ::: "memory"); |
59 | asm volatile ("mf\n" ::: "memory"); |
60 | } |
60 | } |
61 | 61 | ||
62 | static inline void pio_write_16(ioport16_t *port, uint16_t v) |
62 | static inline void pio_write_16(ioport16_t *port, uint16_t v) |
63 | { |
63 | { |
64 | uintptr_t prt = (uintptr_t) port; |
64 | uintptr_t prt = (uintptr_t) port; |
65 | 65 | ||
66 | *((uint16_t *)(IA64_IOSPACE_ADDRESS + |
66 | *((uint16_t *)(IA64_IOSPACE_ADDRESS + |
67 | ((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
67 | ((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
68 | 68 | ||
69 | asm volatile ("mf\n" ::: "memory"); |
69 | asm volatile ("mf\n" ::: "memory"); |
70 | } |
70 | } |
71 | 71 | ||
72 | static inline void pio_write_32(ioport32_t *port, uint32_t v) |
72 | static inline void pio_write_32(ioport32_t *port, uint32_t v) |
73 | { |
73 | { |
74 | uintptr_t prt = (uintptr_t) port; |
74 | uintptr_t prt = (uintptr_t) port; |
75 | 75 | ||
76 | *((uint32_t *)(IA64_IOSPACE_ADDRESS + |
76 | *((uint32_t *)(IA64_IOSPACE_ADDRESS + |
77 | ((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
77 | ((prt & 0xfff) | ((prt >> 2) << 12)))) = v; |
78 | 78 | ||
79 | asm volatile ("mf\n" ::: "memory"); |
79 | asm volatile ("mf\n" ::: "memory"); |
80 | } |
80 | } |
81 | 81 | ||
82 | static inline uint8_t pio_read_8(ioport8_t *port) |
82 | static inline uint8_t pio_read_8(ioport8_t *port) |
83 | { |
83 | { |
84 | uintptr_t prt = (uintptr_t) port; |
84 | uintptr_t prt = (uintptr_t) port; |
85 | 85 | ||
86 | asm volatile ("mf\n" ::: "memory"); |
86 | asm volatile ("mf\n" ::: "memory"); |
87 | 87 | ||
88 | return *((uint8_t *)(IA64_IOSPACE_ADDRESS + |
88 | return *((uint8_t *)(IA64_IOSPACE_ADDRESS + |
89 | ((prt & 0xfff) | ((prt >> 2) << 12)))); |
89 | ((prt & 0xfff) | ((prt >> 2) << 12)))); |
90 | } |
90 | } |
91 | 91 | ||
92 | static inline uint16_t pio_read_16(ioport16_t *port) |
92 | static inline uint16_t pio_read_16(ioport16_t *port) |
93 | { |
93 | { |
94 | uintptr_t prt = (uintptr_t) port; |
94 | uintptr_t prt = (uintptr_t) port; |
95 | 95 | ||
96 | asm volatile ("mf\n" ::: "memory"); |
96 | asm volatile ("mf\n" ::: "memory"); |
97 | 97 | ||
98 | return *((uint16_t *)(IA64_IOSPACE_ADDRESS + |
98 | return *((uint16_t *)(IA64_IOSPACE_ADDRESS + |
99 | ((prt & 0xffE) | ((prt >> 2) << 12)))); |
99 | ((prt & 0xfff) | ((prt >> 2) << 12)))); |
100 | } |
100 | } |
101 | 101 | ||
102 | static inline uint32_t pio_read_32(ioport32_t *port) |
102 | static inline uint32_t pio_read_32(ioport32_t *port) |
103 | { |
103 | { |
104 | uintptr_t prt = (uintptr_t) port; |
104 | uintptr_t prt = (uintptr_t) port; |
105 | 105 | ||
106 | asm volatile ("mf\n" ::: "memory"); |
106 | asm volatile ("mf\n" ::: "memory"); |
107 | 107 | ||
108 | return *((uint32_t *)(IA64_IOSPACE_ADDRESS + |
108 | return *((uint32_t *)(IA64_IOSPACE_ADDRESS + |
109 | ((prt & 0xfff) | ((prt >> 2) << 12)))); |
109 | ((prt & 0xfff) | ((prt >> 2) << 12)))); |
110 | } |
110 | } |
111 | 111 | ||
112 | #endif |
112 | #endif |
113 | 113 | ||
114 | /** @} |
114 | /** @} |
115 | */ |
115 | */ |
116 | 116 |