| 1 |
1276 |
phoenix |
/*
|
| 2 |
|
|
* Carsten Langgaard, carstenl@mips.com
|
| 3 |
|
|
* Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
|
| 4 |
|
|
*
|
| 5 |
|
|
* ########################################################################
|
| 6 |
|
|
*
|
| 7 |
|
|
* This program is free software; you can distribute it and/or modify it
|
| 8 |
|
|
* under the terms of the GNU General Public License (Version 2) as
|
| 9 |
|
|
* published by the Free Software Foundation.
|
| 10 |
|
|
*
|
| 11 |
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
| 12 |
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
| 13 |
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
| 14 |
|
|
* for more details.
|
| 15 |
|
|
*
|
| 16 |
|
|
* You should have received a copy of the GNU General Public License along
|
| 17 |
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
| 18 |
|
|
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
|
| 19 |
|
|
*
|
| 20 |
|
|
* ########################################################################
|
| 21 |
|
|
*
|
| 22 |
|
|
* Register definitions for the UART part of the Philips SAA9730 chip.
|
| 23 |
|
|
*
|
| 24 |
|
|
*/
|
| 25 |
|
|
|
| 26 |
|
|
#ifndef SAA9730_UART_H
|
| 27 |
|
|
#define SAA9730_UART_H
|
| 28 |
|
|
|
| 29 |
|
|
/* The SAA9730 UART register map, as seen via the PCI bus */
|
| 30 |
|
|
|
| 31 |
|
|
#define SAA9730_UART_REGS_ADDR 0x21800
|
| 32 |
|
|
|
| 33 |
|
|
struct uart_saa9730_regmap {
|
| 34 |
|
|
volatile unsigned char Thr_Rbr;
|
| 35 |
|
|
volatile unsigned char Ier;
|
| 36 |
|
|
volatile unsigned char Iir_Fcr;
|
| 37 |
|
|
volatile unsigned char Lcr;
|
| 38 |
|
|
volatile unsigned char Mcr;
|
| 39 |
|
|
volatile unsigned char Lsr;
|
| 40 |
|
|
volatile unsigned char Msr;
|
| 41 |
|
|
volatile unsigned char Scr;
|
| 42 |
|
|
volatile unsigned char BaudDivLsb;
|
| 43 |
|
|
volatile unsigned char BaudDivMsb;
|
| 44 |
|
|
volatile unsigned char Junk0;
|
| 45 |
|
|
volatile unsigned char Junk1;
|
| 46 |
|
|
volatile unsigned int Config; /* 0x2180c */
|
| 47 |
|
|
volatile unsigned int TxStart; /* 0x21810 */
|
| 48 |
|
|
volatile unsigned int TxLength; /* 0x21814 */
|
| 49 |
|
|
volatile unsigned int TxCounter; /* 0x21818 */
|
| 50 |
|
|
volatile unsigned int RxStart; /* 0x2181c */
|
| 51 |
|
|
volatile unsigned int RxLength; /* 0x21820 */
|
| 52 |
|
|
volatile unsigned int RxCounter; /* 0x21824 */
|
| 53 |
|
|
};
|
| 54 |
|
|
typedef volatile struct uart_saa9730_regmap t_uart_saa9730_regmap;
|
| 55 |
|
|
|
| 56 |
|
|
/*
|
| 57 |
|
|
* Only a subset of the UART control bits are defined here,
|
| 58 |
|
|
* enough to make the serial debug port work.
|
| 59 |
|
|
*/
|
| 60 |
|
|
|
| 61 |
|
|
#define SAA9730_LCR_DATA8 0x03
|
| 62 |
|
|
|
| 63 |
|
|
#define SAA9730_MCR_DTR 0x01
|
| 64 |
|
|
#define SAA9730_MCR_RTS 0x02
|
| 65 |
|
|
|
| 66 |
|
|
#define SAA9730_LSR_DR 0x01
|
| 67 |
|
|
#define SAA9730_LSR_THRE 0x20
|
| 68 |
|
|
|
| 69 |
|
|
#endif /* !(SAA9730_UART_H) */
|
