61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/****************************************************************************/
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/*
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* semp.h -- SecureEdge MP3 hardware platform support.
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*
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* (C) Copyright 2001-2002, Greg Ungerer (gerg@snapgear.com).
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*/
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/****************************************************************************/
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#ifndef semp3_h
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#define semp3_h
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/****************************************************************************/
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#include <linux/config.h>
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/****************************************************************************/
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#ifdef CONFIG_SECUREEDGEMP3
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/****************************************************************************/
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#include <asm/coldfire.h>
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#include <asm/mcfsim.h>
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/*
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* The ColdFire UARTs do not have any support for DTR/DCD lines.
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* We have wired them onto some of the parallel IO lines.
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*/
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#define MCFPP_DCD1 0x0004
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#define MCFPP_DCD0 0x0000 /* No DCD line on port 0 */
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#define MCFPP_DTR1 0x0080
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#define MCFPP_DTR0 0x0000 /* No DTR line on port 0 */
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#ifndef __ASSEMBLY__
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extern volatile unsigned short ppdata;
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/*
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* These functions defined to give quasi generic access to the
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* PPIO bits used for DTR/DCD.
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*/
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static __inline__ unsigned int mcf_getppdata(void)
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{
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volatile unsigned short *pp;
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pp = (volatile unsigned short *) (MCF_MBAR + MCFSIM_PADAT);
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return((unsigned int) *pp);
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}
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static __inline__ void mcf_setppdata(unsigned int mask, unsigned int bits)
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{
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volatile unsigned short *pp;
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pp = (volatile unsigned short *) (MCF_MBAR + MCFSIM_PADAT);
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ppdata = (ppdata & ~mask) | bits;
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*pp = ppdata;
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}
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#endif
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/****************************************************************************/
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#endif /* CONFIG_SECUREEDGEMP3 */
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/****************************************************************************/
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#endif /* semp3_h */
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