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| author | wdenk <wdenk> | 2002-03-08 21:31:05 +0000 | 
|---|---|---|
| committer | wdenk <wdenk> | 2002-03-08 21:31:05 +0000 | 
| commit | 012771d88adfb5e0886591880041f05fc8b15bdd (patch) | |
| tree | 9cd947b8b4c6f05cff5be1b69a0f1ca81b2c86ec /board/evb64260/serial.h | |
| parent | 67fc21f34ef642417e7418a0575d5b5ff70d77d8 (diff) | |
| download | olio-uboot-2014.01-012771d88adfb5e0886591880041f05fc8b15bdd.tar.xz olio-uboot-2014.01-012771d88adfb5e0886591880041f05fc8b15bdd.zip | |
Initial revision
Diffstat (limited to 'board/evb64260/serial.h')
| -rw-r--r-- | board/evb64260/serial.h | 63 | 
1 files changed, 63 insertions, 0 deletions
| diff --git a/board/evb64260/serial.h b/board/evb64260/serial.h new file mode 100644 index 000000000..bac925385 --- /dev/null +++ b/board/evb64260/serial.h @@ -0,0 +1,63 @@ +/* serial.h - mostly useful for DUART serial_init in serial.c */ + +#ifndef __SERIAL_H__ +#define __SERIAL_H__ + +#if 0 + +#define B230400         1 +#define B115200         2 +#define B57600          4 +#define B38400          82 +#define B19200          163 +#define B9600           24 +#define B4800           651 +#define B2400           1302 +#define B1200           2604 +#define B600            5208 +#define B300            10417 +#define B150            20833 +#define B110            28409 +#define BDEFAULT        B115200 + +				/* this stuff is important to initialize +				the DUART channels */ + +#define	Scale		0x01L		/* distance between port addresses */ +#define	COM1		0x000003f8		/* Keyboard */ +#define COM2		0x000002f8		/* Host */ + + +/* Port Definitions relative to base COM port addresses */ +#define DataIn	(0x00*Scale)	/* data input port */ +#define DataOut	(0x00*Scale)	/* data output port */ +#define BaudLsb	(0x00*Scale)	/* baud rate divisor least significant byte */ +#define BaudMsb	(0x01*Scale)	/* baud rate divisor most significant byte */ +#define	Ier	(0x01*Scale)	/* interrupt enable register */ +#define	Iir	(0x02*Scale)	/* interrupt identification register */ +#define	Lcr	(0x03*Scale)	/* line control register */ +#define	Mcr	(0x04*Scale)	/* modem control register */ +#define	Lsr	(0x05*Scale)	/* line status register */ +#define	Msr	(0x06*Scale)	/* modem status register */ + +/* Bit Definitions for above ports */ +#define LcrDlab	0x80	/* b7:	 enable baud rate divisor registers */ +#define	LcrDflt	0x03	/* b6-0: no parity, 1 stop, 8 data */ + +#define	McrRts	0x02	/* b1:	request to send (I am ready to xmit) */ +#define	McrDtr	0x01	/* b0:	data terminal ready (I am alive ready to rcv) */ +#define	McrDflt	(McrRts|McrDtr) + +#define LsrTxD	0x6000	/* b5: transmit holding register empty (i.e. xmit OK!)*/ +			/* b6: transmitter empty */ +#define LsrRxD	0x0100	/* b0: received data ready (i.e. got a byte!) */ + +#define	MsrRi	0x0040	/* b6: ring indicator (other guy is ready to rcv) */ +#define	MsrDsr	0x0020	/* b5: data set ready (other guy is alive ready to rcv */ +#define	MsrCts	0x0010	/* b4: clear to send (other guy is ready to rcv) */ + +#define IerRda	0xf	/* b0: Enable received data available interrupt */ + +#endif + +#endif /* __SERIAL_H__ */ |