openwrt-xburst/target/linux/ifxmips/files/include/asm-mips/danube/danube_serial.h

/* incaAscSio.h - (IFXMIPS) ASC UART tty driver header */

#ifndef __IFXMIPS_ASC_H
#define __IFXMIPS_ASC_H

/******************************************************************************
**
** FILE NAME    : serial.c
** PROJECT      : IFXMips
** MODULES      : ASC/UART
**
** DATE         : 27 MAR 2006
** AUTHOR       : Liu Peng
** DESCRIPTION  : Asynchronous Serial Channel (ASC/UART) Driver Header File
** COPYRIGHT    :       Copyright (c) 2006
**                      Infineon Technologies AG
**                      Am Campeon 1-12, 85579 Neubiberg, Germany
**
**    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.
**
** HISTORY
** $Date        $Author         $Comment
** 27 MAR 2006  Liu Peng        Initiate Version (rev 1.7)
** 23 OCT 2006  Xu Liang        Add GPL header.
*******************************************************************************/

/* channel operating modes */
/*#define	ASCOPT_CSIZE	0x00000003
#define	ASCOPT_CS7	0x00000001
#define	ASCOPT_CS8	0x00000002
#define	ASCOPT_PARENB	0x00000004
#define	ASCOPT_STOPB	0x00000008
#define	ASCOPT_PARODD	0x00000010
#define	ASCOPT_CREAD	0x00000020
*/
#define ASC_OPTIONS		(ASCOPT_CREAD | ASCOPT_CS8)

/* ASC input select (0 or 1) */
#define CONSOLE_TTY	0

#define IFXMIPSASC_TXFIFO_FL       1
#define IFXMIPSASC_RXFIFO_FL       1
#define IFXMIPSASC_TXFIFO_FULL     16

/* interrupt lines masks for the ASC device interrupts*/
/* change these macroses if it's necessary */
#define IFXMIPSASC_IRQ_LINE_ALL        0x0000007f	/* all IRQs */

#define IFXMIPSASC_IRQ_LINE_TIR            0x00000001	/* Tx Int */
#define IFXMIPSASC_IRQ_LINE_TBIR           0x00000002	/* Tx Buffer Int */
#define IFXMIPSASC_IRQ_LINE_RIR            0x00000004	/* Rx Int */
#define IFXMIPSASC_IRQ_LINE_EIR            0x00000008	/* Error Int */
#define IFXMIPSASC_IRQ_LINE_ABSTIR         0x00000010	/* Autobaud Start Int */
#define IFXMIPSASC_IRQ_LINE_ABDETIP        0x00000020	/* Autobaud Detection Int */
#define IFXMIPSASC_IRQ_LINE_SFCIR          0x00000040	/* Software Flow Control Int */

/* interrupt controller access macros */
#define ASC_INTERRUPTS_ENABLE(X)  \
*((volatile unsigned int*) IFXMIPS_ICU_IM0_IER) |= X;
#define ASC_INTERRUPTS_DISABLE(X) \
*((volatile unsigned int*) IFXMIPS_ICU_IM0_IER) &= ~X;
#define ASC_INTERRUPTS_CLEAR(X)   \
*((volatile unsigned int*) IFXMIPS_ICU_IM0_ISR) = X;

/* CLC register's bits and bitfields */
#define ASCCLC_DISR        0x00000001
#define ASCCLC_DISS        0x00000002
#define ASCCLC_RMCMASK     0x0000FF00
#define ASCCLC_RMCOFFSET   8

/* CON register's bits and bitfields */
#define ASCCON_MODEMASK	0x0000000f
#define ASCCON_M_8ASYNC	0x0
#define ASCCON_M_8IRDA 	0x1
#define ASCCON_M_7ASYNC	0x2
#define ASCCON_M_7IRDA 	0x3
#define ASCCON_WLSMASK 	0x0000000c
#define ASCCON_WLSOFFSET	2
#define ASCCON_WLS_8BIT	0x0
#define ASCCON_WLS_7BIT	0x1
#define ASCCON_PEN     	0x00000010
#define ASCCON_ODD     	0x00000020
#define ASCCON_SP      	0x00000040
#define ASCCON_STP     	0x00000080
#define ASCCON_BRS     	0x00000100
#define ASCCON_FDE     	0x00000200
#define ASCCON_ERRCLK  	0x00000400
#define ASCCON_EMMASK  	0x00001800
#define ASCCON_EMOFFSET	11
#define ASCCON_EM_ECHO_OFF	0x0
#define ASCCON_EM_ECHO_AB	0x1
#define ASCCON_EM_ECHO_ON	0x2
#define ASCCON_LB       	0x00002000
#define ASCCON_ACO      	0x00004000
#define ASCCON_R        	0x00008000
#define ASCCON_PAL      	0x00010000
#define ASCCON_FEN      	0x00020000
#define ASCCON_RUEN     	0x00040000
#define ASCCON_ROEN     	0x00080000
#define ASCCON_TOEN     	0x00100000
#define ASCCON_BEN      	0x00200000
#define ASCCON_TXINV    	0x01000000
#define ASCCON_RXINV    	0x02000000
#define ASCCON_TXMSB    	0x04000000
#define ASCCON_RXMSB    	0x08000000

/* STATE register's bits and bitfields */
#define ASCSTATE_REN     	0x00000001
#define ASCSTATE_PE      	0x00010000
#define ASCSTATE_FE      	0x00020000
#define ASCSTATE_RUE     	0x00040000
#define ASCSTATE_ROE     	0x00080000
#define ASCSTATE_TOE     	0x00100000
#define ASCSTATE_BE      	0x00200000
#define ASCSTATE_TXBVMASK	0x07000000
#define ASCSTATE_TXBVOFFSET	24
#define ASCSTATE_TXEOM     	0x08000000
#define ASCSTATE_RXBVMASK	0x70000000
#define ASCSTATE_RXBVOFFSET	28
#define ASCSTATE_RXEOM     	0x80000000
#define ASCSTATE_ANY	(ASCSTATE_ROE|ASCSTATE_PE|ASCSTATE_FE)

/* WHBSTATE register's bits and bitfields */
#define ASCWHBSTATE_CLRREN    0x00000001
#define ASCWHBSTATE_SETREN    0x00000002
#define ASCWHBSTATE_CLRPE     0x00000004
#define ASCWHBSTATE_CLRFE     0x00000008
#define ASCWHBSTATE_CLRRUE    0x00000010
#define ASCWHBSTATE_CLRROE    0x00000020
#define ASCWHBSTATE_CLRTOE    0x00000040
#define ASCWHBSTATE_CLRBE     0x00000080
#define ASCWHBSTATE_SETPE     0x00000100
#define ASCWHBSTATE_SETFE     0x00000200
#define ASCWHBSTATE_SETRUE    0x00000400
#define ASCWHBSTATE_SETROE    0x00000800
#define ASCWHBSTATE_SETTOE    0x00001000
#define ASCWHBSTATE_SETBE     0x00002000

/* ABCON register's bits and bitfields */
#define ASCABCON_ABEN       0x0001
#define ASCABCON_AUREN      0x0002
#define ASCABCON_ABSTEN     0x0004
#define ASCABCON_ABDETEN    0x0008
#define ASCABCON_FCDETEN    0x0010

/* FDV register mask, offset and bitfields*/
#define ASCFDV_VALUE_MASK     0x000001FF

/* WHBABCON register's bits and bitfields */
#define ASCWHBABCON_CLRABEN     0x0001
#define ASCWHBABCON_SETABEN     0x0002

/* ABSTAT register's bits and bitfields */
#define ASCABSTAT_FCSDET    0x0001
#define ASCABSTAT_FCCDET    0x0002
#define ASCABSTAT_SCSDET    0x0004
#define ASCABSTAT_SCCDET    0x0008
#define ASCABSTAT_DETWAIT   0x0010

/* WHBABSTAT register's bits and bitfields */
#define ASCWHBABSTAT_CLRFCSDET  0x0001
#define ASCWHBABSTAT_SETFCSDET  0x0002
#define ASCWHBABSTAT_CLRFCCDET  0x0004
#define ASCWHBABSTAT_SETFCCDET  0x0008
#define ASCWHBABSTAT_CLRSCSDET  0x0010
#define ASCWHBABSTAT_SETSCSDET  0x0020
#define ASCWHBABSTAT_CLRSCCDET  0x0040
#define ASCWHBABSTAT_SETSCCDET  0x0080
#define ASCWHBABSTAT_CLRDETWAIT 0x0100
#define ASCWHBABSTAT_SETDETWAIT 0x0200

/* TXFCON register's bits and bitfields */
#define ASCTXFCON_TXFIFO1       0x00000400
#define ASCTXFCON_TXFEN         0x0001
#define ASCTXFCON_TXFFLU        0x0002
#define ASCTXFCON_TXFITLMASK    0x3F00
#define ASCTXFCON_TXFITLOFF     8

/* RXFCON register's bits and bitfields */
#define ASCRXFCON_RXFIFO1       0x00000400
#define ASCRXFCON_RXFEN         0x0001
#define ASCRXFCON_RXFFLU        0x0002
#define ASCRXFCON_RXFITLMASK    0x3F00
#define ASCRXFCON_RXFITLOFF     8

/* FSTAT register's bits and bitfields */
#define ASCFSTAT_RXFFLMASK      0x003F
#define ASCFSTAT_TXFFLMASK      0x3F00
#define ASCFSTAT_TXFFLOFF       8

#endif /* __IFXMIPS_ASC_H */