Rev 2927 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 2927 | Rev 3403 | ||
---|---|---|---|
1 | /* |
1 | /* |
2 | * Copyright (c) 2005 Ondrej Palkovsky |
2 | * Copyright (c) 2005 Ondrej Palkovsky |
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 mips32 |
29 | /** @addtogroup mips32 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef KERN_mips32_SERIAL_H_ |
35 | #ifndef KERN_mips32_SERIAL_H_ |
36 | #define KERN_mips32_SERIAL_H_ |
36 | #define KERN_mips32_SERIAL_H_ |
37 | 37 | ||
38 | #include <console/chardev.h> |
38 | #include <console/chardev.h> |
39 | 39 | ||
- | 40 | #define SERIAL_ADDRESS 0x98000000 |
|
- | 41 | ||
40 | #define SERIAL_MAX 4 |
42 | #define SERIAL_MAX 4 |
41 | #define SERIAL_COM1 0x3f8 |
43 | #define SERIAL_COM1 0x3f8 |
42 | #define SERIAL_COM1_IRQ 4 |
44 | #define SERIAL_COM1_IRQ 4 |
43 | #define SERIAL_COM2 0x2f8 |
45 | #define SERIAL_COM2 0x2f8 |
44 | #define SERIAL_COM2_IRQ 3 |
46 | #define SERIAL_COM2_IRQ 3 |
45 | 47 | ||
46 | #define P_WRITEB(where,what) (*((volatile char *) (0xB8000000+where))=what) |
48 | #define P_WRITEB(where, what) (*((volatile char *) (SERIAL_ADDRESS + where)) = what) |
47 | #define P_READB(where) (*((volatile char *)(0xB8000000+where))) |
49 | #define P_READB(where) (*((volatile char *) (SERIAL_ADDRESS + where))) |
- | 50 | ||
- | 51 | #define SERIAL_READ(x) P_READB(x) |
|
- | 52 | #define SERIAL_WRITE(x, c) P_WRITEB(x, c) |
|
48 | 53 | ||
49 | #define SERIAL_READ(x) P_READB(x) |
- | |
50 | #define SERIAL_WRITE(x,c) P_WRITEB(x,c) |
- | |
51 | /* Interrupt enable register */ |
54 | /* Interrupt enable register */ |
52 | #define SERIAL_READ_IER(x) (P_READB((x) + 1)) |
55 | #define SERIAL_READ_IER(x) (P_READB((x) + 1)) |
53 | #define SERIAL_WRITE_IER(x,c) (P_WRITEB((x)+1,c)) |
56 | #define SERIAL_WRITE_IER(x,c) (P_WRITEB((x) + 1, c)) |
- | 57 | ||
54 | /* Interrupt identification register */ |
58 | /* Interrupt identification register */ |
55 | #define SERIAL_READ_IIR(x) (P_READB((x) + 2)) |
59 | #define SERIAL_READ_IIR(x) (P_READB((x) + 2)) |
- | 60 | ||
56 | /* Line status register */ |
61 | /* Line status register */ |
57 | #define SERIAL_READ_LSR(x) (P_READB((x) + 5)) |
62 | #define SERIAL_READ_LSR(x) (P_READB((x) + 5)) |
58 | #define TRANSMIT_EMPTY_BIT 5 |
63 | #define TRANSMIT_EMPTY_BIT 5 |
59 | 64 | ||
60 | typedef struct { |
65 | typedef struct { |
61 | int port; |
66 | int port; |
62 | int irq; |
67 | int irq; |
63 | }serial_t; |
68 | }serial_t; |
64 | 69 | ||
65 | extern void serial_console(devno_t devno); |
70 | extern void serial_console(devno_t devno); |
66 | extern int serial_init(void); |
71 | extern int serial_init(void); |
67 | 72 | ||
68 | #endif |
73 | #endif |
69 | 74 | ||
70 | /** @} |
75 | /** @} |
71 | */ |
76 | */ |
72 | 77 |