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0779bf2d2e
Fix various .c/.h typos in comments (no code changes). Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/****************************************************************************/
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/*
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* mcfmbus.h -- Coldfire MBUS support defines.
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*
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* (C) Copyright 1999, Martin Floeer (mfloeer@axcent.de)
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*/
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/****************************************************************************/
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#ifndef mcfmbus_h
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#define mcfmbus_h
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#define MCFMBUS_BASE 0x280
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#define MCFMBUS_IRQ_VECTOR 0x19
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#define MCFMBUS_IRQ 0x1
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#define MCFMBUS_CLK 0x3f
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#define MCFMBUS_IRQ_LEVEL 0x07 /*IRQ Level 1*/
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#define MCFMBUS_ADDRESS 0x01
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/*
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* Define the 5307 MBUS register set addresses
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*/
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#define MCFMBUS_MADR 0x00
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#define MCFMBUS_MFDR 0x04
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#define MCFMBUS_MBCR 0x08
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#define MCFMBUS_MBSR 0x0C
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#define MCFMBUS_MBDR 0x10
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#define MCFMBUS_MADR_ADDR(a) (((a)&0x7F)<<0x01) /*Slave Address*/
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#define MCFMBUS_MFDR_MBC(a) ((a)&0x3F) /*M-Bus Clock*/
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/*
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* Define bit flags in Control Register
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*/
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#define MCFMBUS_MBCR_MEN (0x80) /* M-Bus Enable */
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#define MCFMBUS_MBCR_MIEN (0x40) /* M-Bus Interrupt Enable */
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#define MCFMBUS_MBCR_MSTA (0x20) /* Master/Slave Mode Select Bit */
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#define MCFMBUS_MBCR_MTX (0x10) /* Transmit/Rcv Mode Select Bit */
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#define MCFMBUS_MBCR_TXAK (0x08) /* Transmit Acknowledge Enable */
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#define MCFMBUS_MBCR_RSTA (0x04) /* Repeat Start */
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/*
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* Define bit flags in Status Register
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*/
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#define MCFMBUS_MBSR_MCF (0x80) /* Data Transfer Complete */
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#define MCFMBUS_MBSR_MAAS (0x40) /* Addressed as a Slave */
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#define MCFMBUS_MBSR_MBB (0x20) /* Bus Busy */
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#define MCFMBUS_MBSR_MAL (0x10) /* Arbitration Lost */
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#define MCFMBUS_MBSR_SRW (0x04) /* Slave Transmit */
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#define MCFMBUS_MBSR_MIF (0x02) /* M-Bus Interrupt */
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#define MCFMBUS_MBSR_RXAK (0x01) /* No Acknowledge Received */
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/*
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* Define bit flags in DATA I/O Register
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*/
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#define MCFMBUS_MBDR_READ (0x01) /* 1=read 0=write MBUS */
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#define MBUSIOCSCLOCK 1
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#define MBUSIOCGCLOCK 2
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#define MBUSIOCSADDR 3
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#define MBUSIOCGADDR 4
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#define MBUSIOCSSLADDR 5
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#define MBUSIOCGSLADDR 6
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#define MBUSIOCSSUBADDR 7
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#define MBUSIOCGSUBADDR 8
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#endif
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