/*
 * Common definitions for TX3927/TX4927
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2000 Toshiba Corporation
 */
#ifndef __ASM_TXX927_H
#define __ASM_TXX927_H

struct txx927_sio_reg {
	volatile unsigned long lcr;
	volatile unsigned long dicr;
	volatile unsigned long disr;
	volatile unsigned long cisr;
	volatile unsigned long fcr;
	volatile unsigned long flcr;
	volatile unsigned long bgr;
	volatile unsigned long tfifo;
	volatile unsigned long rfifo;
};

/*
 * SIO
 */
/* SILCR : Line Control */
#define TXx927_SILCR_SCS_MASK	0x00000060
#define TXx927_SILCR_SCS_IMCLK	0x00000000
#define TXx927_SILCR_SCS_IMCLK_BG	0x00000020
#define TXx927_SILCR_SCS_SCLK	0x00000040
#define TXx927_SILCR_SCS_SCLK_BG	0x00000060
#define TXx927_SILCR_UEPS	0x00000010
#define TXx927_SILCR_UPEN	0x00000008
#define TXx927_SILCR_USBL_MASK	0x00000004
#define TXx927_SILCR_USBL_1BIT	0x00000004
#define TXx927_SILCR_USBL_2BIT	0x00000000
#define TXx927_SILCR_UMODE_MASK	0x00000003
#define TXx927_SILCR_UMODE_8BIT	0x00000000
#define TXx927_SILCR_UMODE_7BIT	0x00000001

/* SIDICR : DMA/Int. Control */
#define TXx927_SIDICR_TDE	0x00008000
#define TXx927_SIDICR_RDE	0x00004000
#define TXx927_SIDICR_TIE	0x00002000
#define TXx927_SIDICR_RIE	0x00001000
#define TXx927_SIDICR_SPIE	0x00000800
#define TXx927_SIDICR_CTSAC	0x00000600
#define TXx927_SIDICR_STIE_MASK	0x0000003f
#define TXx927_SIDICR_STIE_OERS		0x00000020
#define TXx927_SIDICR_STIE_CTSS		0x00000010
#define TXx927_SIDICR_STIE_RBRKD	0x00000008
#define TXx927_SIDICR_STIE_TRDY		0x00000004
#define TXx927_SIDICR_STIE_TXALS	0x00000002
#define TXx927_SIDICR_STIE_UBRKD	0x00000001

/* SIDISR : DMA/Int. Status */
#define TXx927_SIDISR_UBRK	0x00008000
#define TXx927_SIDISR_UVALID	0x00004000
#define TXx927_SIDISR_UFER	0x00002000
#define TXx927_SIDISR_UPER	0x00001000
#define TXx927_SIDISR_UOER	0x00000800
#define TXx927_SIDISR_ERI	0x00000400
#define TXx927_SIDISR_TOUT	0x00000200
#define TXx927_SIDISR_TDIS	0x00000100
#define TXx927_SIDISR_RDIS	0x00000080
#define TXx927_SIDISR_STIS	0x00000040
#define TXx927_SIDISR_RFDN_MASK	0x0000001f

/* SICISR : Change Int. Status */
#define TXx927_SICISR_OERS	0x00000020
#define TXx927_SICISR_CTSS	0x00000010
#define TXx927_SICISR_RBRKD	0x00000008
#define TXx927_SICISR_TRDY	0x00000004
#define TXx927_SICISR_TXALS	0x00000002
#define TXx927_SICISR_UBRKD	0x00000001

/* SIFCR : FIFO Control */
#define TXx927_SIFCR_SWRST	0x00008000
#define TXx927_SIFCR_RDIL_MASK	0x00000180
#define TXx927_SIFCR_RDIL_1	0x00000000
#define TXx927_SIFCR_RDIL_4	0x00000080
#define TXx927_SIFCR_RDIL_8	0x00000100
#define TXx927_SIFCR_RDIL_12	0x00000180
#define TXx927_SIFCR_RDIL_MAX	0x00000180
#define TXx927_SIFCR_TDIL_MASK	0x00000018
#define TXx927_SIFCR_TDIL_MASK	0x00000018
#define TXx927_SIFCR_TDIL_1	0x00000000
#define TXx927_SIFCR_TDIL_4	0x00000001
#define TXx927_SIFCR_TDIL_8	0x00000010
#define TXx927_SIFCR_TDIL_MAX	0x00000010
#define TXx927_SIFCR_TFRST	0x00000004
#define TXx927_SIFCR_RFRST	0x00000002
#define TXx927_SIFCR_FRSTE	0x00000001
#define TXx927_SIO_TX_FIFO	8
#define TXx927_SIO_RX_FIFO	16

/* SIFLCR : Flow Control */
#define TXx927_SIFLCR_RCS	0x00001000
#define TXx927_SIFLCR_TES	0x00000800
#define TXx927_SIFLCR_RTSSC	0x00000200
#define TXx927_SIFLCR_RSDE	0x00000100
#define TXx927_SIFLCR_TSDE	0x00000080
#define TXx927_SIFLCR_RTSTL_MASK	0x0000001e
#define TXx927_SIFLCR_RTSTL_MAX	0x0000001e
#define TXx927_SIFLCR_TBRK	0x00000001

/* SIBGR : Baudrate Control */
#define TXx927_SIBGR_BCLK_MASK	0x00000300
#define TXx927_SIBGR_BCLK_T0	0x00000000
#define TXx927_SIBGR_BCLK_T2	0x00000100
#define TXx927_SIBGR_BCLK_T4	0x00000200
#define TXx927_SIBGR_BCLK_T6	0x00000300
#define TXx927_SIBGR_BRD_MASK	0x000000ff

/*
 * PIO
 */

#endif /* __ASM_TXX927_H */