projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 39539887 WD |
1 | #ifndef __UART_H |
| 2 | #define __UART_H | |
| 3 | ||
| 4 | /* | |
| 5 | * Copyright (c) 2004 Cucy Systems (http://www.cucy.com) | |
| 6 | * Curt Brune <curt@cucy.com> | |
| 7 | * | |
| 8 | * See file CREDITS for list of people who contributed to this | |
| 9 | * project. | |
| 10 | * | |
| 11 | * This program is free software; you can redistribute it and/or | |
| 12 | * modify it under the terms of the GNU General Public License as | |
| 13 | * published by the Free Software Foundation; either version 2 of | |
| 14 | * the License, or (at your option) any later version. | |
| 15 | * | |
| 16 | * This program is distributed in the hope that it will be useful, | |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 19 | * GNU General Public License for more details. | |
| 20 | * | |
| 21 | * You should have received a copy of the GNU General Public License | |
| 22 | * along with this program; if not, write to the Free Software | |
| 23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 24 | * MA 02111-1307 USA | |
| 25 | * | |
| 26 | * Description: S3C4510B UART register layout | |
| 27 | */ | |
| 28 | ||
| 29 | /* UART LINE CONTROL register */ | |
| 30 | typedef struct __BF_UART_LINE_CTRL { | |
| 31 | u32 wordLen: 2; | |
| 32 | u32 nStop: 1; | |
| 33 | u32 parity: 3; | |
| 34 | u32 clk: 1; | |
| 35 | u32 infra_red: 1; | |
| 36 | u32 unused:24; | |
| 37 | } BF_UART_LINE_CTRL; | |
| 38 | ||
| 39 | typedef union _UART_LINE_CTRL { | |
| 40 | u32 ui; | |
| 41 | BF_UART_LINE_CTRL bf; | |
| 42 | } UART_LINE_CTRL; | |
| 43 | ||
| 44 | /* UART CONTROL register */ | |
| 45 | typedef struct __BF_UART_CTRL { | |
| 46 | u32 rxMode: 2; | |
| 47 | u32 rxIrq: 1; | |
| 48 | u32 txMode: 2; | |
| 49 | u32 DSR: 1; | |
| 50 | u32 sendBreak: 1; | |
| 51 | u32 loopBack: 1; | |
| 52 | u32 unused:24; | |
| 53 | } BF_UART_CTRL; | |
| 54 | ||
| 55 | typedef union _UART_CTRL { | |
| 56 | u32 ui; | |
| 57 | BF_UART_CTRL bf; | |
| 58 | } UART_CTRL; | |
| 59 | ||
| 60 | /* UART STATUS register */ | |
| 61 | typedef struct __BF_UART_STAT { | |
| 62 | u32 overrun: 1; | |
| 63 | u32 parity: 1; | |
| 64 | u32 frame: 1; | |
| 65 | u32 breakIrq: 1; | |
| 66 | u32 DTR: 1; | |
| 67 | u32 rxReady: 1; | |
| 68 | u32 txBufEmpty: 1; | |
| 69 | u32 txComplete: 1; | |
| 70 | u32 unused:24; | |
| 71 | } BF_UART_STAT; | |
| 72 | ||
| 73 | typedef union _UART_STAT { | |
| 74 | u32 ui; | |
| 75 | BF_UART_STAT bf; | |
| 76 | } UART_STAT; | |
| 77 | ||
| 78 | /* UART BAUD_DIV register */ | |
| 79 | typedef struct __BF_UART_BAUD_DIV { | |
| 80 | u32 cnt1: 4; | |
| 81 | u32 cnt0:12; | |
| 82 | u32 unused:16; | |
| 83 | } BF_UART_BAUD_DIV; | |
| 84 | ||
| 85 | typedef union _UART_BAUD_DIV { | |
| 86 | u32 ui; | |
| 87 | BF_UART_BAUD_DIV bf; | |
| 88 | } UART_BAUD_DIV; | |
| 89 | ||
| 90 | /* UART register block */ | |
| 91 | typedef struct __UART { | |
| 92 | volatile UART_LINE_CTRL m_lineCtrl; | |
| 93 | volatile UART_CTRL m_ctrl; | |
| 94 | volatile UART_STAT m_stat; | |
| 95 | volatile u32 m_tx; | |
| 96 | volatile u32 m_rx; | |
| 97 | volatile UART_BAUD_DIV m_baudDiv; | |
| 98 | volatile u32 m_baudCnt; | |
| 99 | volatile u32 m_baudClk; | |
| 100 | } UART; | |
| 101 | ||
| 102 | #define NL 0x0A | |
| 103 | #define CR 0x0D | |
| 104 | #define BSP 0x08 | |
| 105 | #define ESC 0x1B | |
| 106 | #define CTRLZ 0x1A | |
| 107 | #define RUBOUT 0x7F | |
| 108 | ||
| 109 | #endif |