78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/****************************************************************************/
|
|
|
|
/*
|
|
* mcfmbus.h -- Coldfire MBUS support defines.
|
|
*
|
|
* (C) Copyright 1999, Martin Floeer (mfloeer@axcent.de)
|
|
*/
|
|
|
|
/****************************************************************************/
|
|
|
|
|
|
#ifndef mcfmbus_h
|
|
#define mcfmbus_h
|
|
|
|
|
|
#define MCFMBUS_BASE 0x280
|
|
#define MCFMBUS_IRQ_VECTOR 0x19
|
|
#define MCFMBUS_IRQ 0x1
|
|
#define MCFMBUS_CLK 0x3f
|
|
#define MCFMBUS_IRQ_LEVEL 0x07 /*IRQ Level 1*/
|
|
#define MCFMBUS_ADDRESS 0x01
|
|
|
|
|
|
/*
|
|
* Define the 5307 MBUS register set addresses
|
|
*/
|
|
|
|
#define MCFMBUS_MADR 0x00
|
|
#define MCFMBUS_MFDR 0x04
|
|
#define MCFMBUS_MBCR 0x08
|
|
#define MCFMBUS_MBSR 0x0C
|
|
#define MCFMBUS_MBDR 0x10
|
|
|
|
|
|
#define MCFMBUS_MADR_ADDR(a) (((a)&0x7F)<<0x01) /*Slave Address*/
|
|
|
|
#define MCFMBUS_MFDR_MBC(a) ((a)&0x3F) /*M-Bus Clock*/
|
|
|
|
/*
|
|
* Define bit flags in Control Register
|
|
*/
|
|
|
|
#define MCFMBUS_MBCR_MEN (0x80) /* M-Bus Enable */
|
|
#define MCFMBUS_MBCR_MIEN (0x40) /* M-Bus Interrupt Enable */
|
|
#define MCFMBUS_MBCR_MSTA (0x20) /* Master/Slave Mode Select Bit */
|
|
#define MCFMBUS_MBCR_MTX (0x10) /* Transmit/Rcv Mode Select Bit */
|
|
#define MCFMBUS_MBCR_TXAK (0x08) /* Transmit Acknowledge Enable */
|
|
#define MCFMBUS_MBCR_RSTA (0x04) /* Repeat Start */
|
|
|
|
/*
|
|
* Define bit flags in Status Register
|
|
*/
|
|
|
|
#define MCFMBUS_MBSR_MCF (0x80) /* Data Transfer Complete */
|
|
#define MCFMBUS_MBSR_MAAS (0x40) /* Addressed as a Slave */
|
|
#define MCFMBUS_MBSR_MBB (0x20) /* Bus Busy */
|
|
#define MCFMBUS_MBSR_MAL (0x10) /* Arbitration Lost */
|
|
#define MCFMBUS_MBSR_SRW (0x04) /* Slave Transmit */
|
|
#define MCFMBUS_MBSR_MIF (0x02) /* M-Bus Interrupt */
|
|
#define MCFMBUS_MBSR_RXAK (0x01) /* No Acknowledge Received */
|
|
|
|
/*
|
|
* Define bit flags in DATA I/O Register
|
|
*/
|
|
|
|
#define MCFMBUS_MBDR_READ (0x01) /* 1=read 0=write MBUS */
|
|
|
|
#define MBUSIOCSCLOCK 1
|
|
#define MBUSIOCGCLOCK 2
|
|
#define MBUSIOCSADDR 3
|
|
#define MBUSIOCGADDR 4
|
|
#define MBUSIOCSSLADDR 5
|
|
#define MBUSIOCGSLADDR 6
|
|
#define MBUSIOCSSUBADDR 7
|
|
#define MBUSIOCGSUBADDR 8
|
|
|
|
#endif
|