| 0,0 → 1,71 |
|---|
| /* |
| * Copyright (c) 2005 Ondrej Palkovsky |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup mips32 |
| * @{ |
| */ |
| /** @file |
| */ |
| |
| #ifndef KERN_mips32_SERIAL_H_ |
| #define KERN_mips32_SERIAL_H_ |
| |
| #include <console/chardev.h> |
| |
| #define SERIAL_MAX 4 |
| #define SERIAL_COM1 0x3f8 |
| #define SERIAL_COM1_IRQ 4 |
| #define SERIAL_COM2 0x2f8 |
| #define SERIAL_COM2_IRQ 3 |
| |
| #define P_WRITEB(where,what) (*((volatile char *) (0xB8000000+where))=what) |
| #define P_READB(where) (*((volatile char *)(0xB8000000+where))) |
| |
| #define SERIAL_READ(x) P_READB(x) |
| #define SERIAL_WRITE(x,c) P_WRITEB(x,c) |
| /* Interrupt enable register */ |
| #define SERIAL_READ_IER(x) (P_READB((x) + 1)) |
| #define SERIAL_WRITE_IER(x,c) (P_WRITEB((x)+1,c)) |
| /* Interrupt identification register */ |
| #define SERIAL_READ_IIR(x) (P_READB((x) + 2)) |
| /* Line status register */ |
| #define SERIAL_READ_LSR(x) (P_READB((x) + 5)) |
| #define TRANSMIT_EMPTY_BIT 5 |
| |
| typedef struct { |
| int port; |
| int irq; |
| }serial_t; |
| |
| extern void serial_console(devno_t devno); |
| extern int serial_init(void); |
| |
| #endif |
| |
| /** @} |
| */ |