Rev 1936 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 575 | palkovsky | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2005 Ondrej Palkovsky |
| 575 | palkovsky | 3 | * All rights reserved. |
| 4 | * |
||
| 5 | * Redistribution and use in source and binary forms, with or without |
||
| 6 | * modification, are permitted provided that the following conditions |
||
| 7 | * are met: |
||
| 8 | * |
||
| 9 | * - Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * - Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 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 |
||
| 15 | * derived from this software without specific prior written permission. |
||
| 16 | * |
||
| 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 |
||
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 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 |
||
| 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 |
||
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 27 | */ |
||
| 28 | |||
| 1888 | jermar | 29 | /** @addtogroup mips32 |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
||
| 32 | /** @file |
||
| 33 | */ |
||
| 34 | |||
| 1888 | jermar | 35 | #ifndef KERN_mips32_SERIAL_H_ |
| 36 | #define KERN_mips32_SERIAL_H_ |
||
| 575 | palkovsky | 37 | |
| 38 | #include <console/chardev.h> |
||
| 39 | |||
| 40 | #define SERIAL_MAX 4 |
||
| 41 | #define SERIAL_COM1 0x3f8 |
||
| 42 | #define SERIAL_COM1_IRQ 4 |
||
| 43 | #define SERIAL_COM2 0x2f8 |
||
| 44 | #define SERIAL_COM2_IRQ 3 |
||
| 45 | |||
| 46 | #define P_WRITEB(where,what) (*((volatile char *) (0xB8000000+where))=what) |
||
| 47 | #define P_READB(where) (*((volatile char *)(0xB8000000+where))) |
||
| 48 | |||
| 49 | #define SERIAL_READ(x) P_READB(x) |
||
| 50 | #define SERIAL_WRITE(x,c) P_WRITEB(x,c) |
||
| 51 | /* Interrupt enable register */ |
||
| 52 | #define SERIAL_READ_IER(x) (P_READB((x) + 1)) |
||
| 53 | #define SERIAL_WRITE_IER(x,c) (P_WRITEB((x)+1,c)) |
||
| 54 | /* Interrupt identification register */ |
||
| 55 | #define SERIAL_READ_IIR(x) (P_READB((x) + 2)) |
||
| 56 | /* Line status register */ |
||
| 57 | #define SERIAL_READ_LSR(x) (P_READB((x) + 5)) |
||
| 58 | #define TRANSMIT_EMPTY_BIT 5 |
||
| 59 | |||
| 60 | typedef struct { |
||
| 61 | int port; |
||
| 62 | int irq; |
||
| 63 | }serial_t; |
||
| 64 | |||
| 1936 | decky | 65 | extern void serial_console(devno_t devno); |
| 66 | extern int serial_init(void); |
||
| 575 | palkovsky | 67 | |
| 68 | #endif |
||
| 1702 | cejka | 69 | |
| 1888 | jermar | 70 | /** @} |
| 1702 | cejka | 71 | */ |