1 files changed, 77 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/mcfmbus.h b/arch/m68k/include/asm/mcfmbus.h
new file mode 100644
index 0000000..319899c
--- /dev/null
+++ b/arch/m68k/include/asm/mcfmbus.h
@@ -0,0 +1,77 @@
+/****************************************************************************/
+
+/*
+ *      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