| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 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) */ |