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#ifndef __UART_H
#define __UART_H
/*
* Copyright (c) 2004 Cucy Systems (http://www.cucy.com)
* Curt Brune <curt@cucy.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
* Description: S3C4510B UART register layout
*/
/* UART LINE CONTROL register */
typedef struct __BF_UART_LINE_CTRL {
u32 wordLen: 2;
u32 nStop: 1;
u32 parity: 3;
u32 clk: 1;
u32 infra_red: 1;
u32 unused:24;
} BF_UART_LINE_CTRL;
typedef union _UART_LINE_CTRL {
u32 ui;
BF_UART_LINE_CTRL bf;
} UART_LINE_CTRL;
/* UART CONTROL register */
typedef struct __BF_UART_CTRL {
u32 rxMode: 2;
u32 rxIrq: 1;
u32 txMode: 2;
u32 DSR: 1;
u32 sendBreak: 1;
u32 loopBack: 1;
u32 unused:24;
} BF_UART_CTRL;
typedef union _UART_CTRL {
u32 ui;
BF_UART_CTRL bf;
} UART_CTRL;
/* UART STATUS register */
typedef struct __BF_UART_STAT {
u32 overrun: 1;
u32 parity: 1;
u32 frame: 1;
u32 breakIrq: 1;
u32 DTR: 1;
u32 rxReady: 1;
u32 txBufEmpty: 1;
u32 txComplete: 1;
u32 unused:24;
} BF_UART_STAT;
typedef union _UART_STAT {
u32 ui;
BF_UART_STAT bf;
} UART_STAT;
/* UART BAUD_DIV register */
typedef struct __BF_UART_BAUD_DIV {
u32 cnt1: 4;
u32 cnt0:12;
u32 unused:16;
} BF_UART_BAUD_DIV;
typedef union _UART_BAUD_DIV {
u32 ui;
BF_UART_BAUD_DIV bf;
} UART_BAUD_DIV;
/* UART register block */
typedef struct __UART {
volatile UART_LINE_CTRL m_lineCtrl;
volatile UART_CTRL m_ctrl;
volatile UART_STAT m_stat;
volatile u32 m_tx;
volatile u32 m_rx;
volatile UART_BAUD_DIV m_baudDiv;
volatile u32 m_baudCnt;
volatile u32 m_baudClk;
} UART;
#define NL 0x0A
#define CR 0x0D
#define BSP 0x08
#define ESC 0x1B
#define CTRLZ 0x1A
#define RUBOUT 0x7F
#endif
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