blackfin.h

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/*
 * Common header file for Blackfin family of processors.
 *
 * Copyright 2004-2009 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */

#ifndef _BLACKFIN_H_
#define _BLACKFIN_H_

#include <mach/anomaly.h>

#ifndef __ASSEMBLY__

/* SSYNC implementation for C file */
static inline void SSYNC(void)
{
    int _tmp;
    if (ANOMALY_05000312 || ANOMALY_05000244)
        __asm__ __volatile__(
            "cli %0;"
            "nop;"
            "nop;"
            "nop;"
            "ssync;"
            "sti %0;"
            : "=d" (_tmp)
        );
    else
        __asm__ __volatile__("ssync;");
}

/* CSYNC implementation for C file */
static inline void CSYNC(void)
{
    int _tmp;
    if (ANOMALY_05000312 || ANOMALY_05000244)
        __asm__ __volatile__(
            "cli %0;"
            "nop;"
            "nop;"
            "nop;"
            "csync;"
            "sti %0;"
            : "=d" (_tmp)
        );
    else
        __asm__ __volatile__("csync;");
}

#else  /* __ASSEMBLY__ */

#define LO(con32) ((con32) & 0xFFFF)
#define lo(con32) ((con32) & 0xFFFF)
#define HI(con32) (((con32) >> 16) & 0xFFFF)
#define hi(con32) (((con32) >> 16) & 0xFFFF)

/* SSYNC & CSYNC implementations for assembly files */

#define ssync(x) SSYNC(x)
#define csync(x) CSYNC(x)

#if ANOMALY_05000312 || ANOMALY_05000244
#define SSYNC(scratch)  \
    cli scratch;    \
    nop; nop; nop;  \
    SSYNC;      \
    sti scratch;

#define CSYNC(scratch)  \
    cli scratch;    \
    nop; nop; nop;  \
    CSYNC;      \
    sti scratch;

#else
#define SSYNC(scratch) SSYNC;
#define CSYNC(scratch) CSYNC;
#endif /* ANOMALY_05000312 & ANOMALY_05000244 handling */

#endif /* __ASSEMBLY__ */

#include <asm/mem_map.h>
#include <mach/blackfin.h>
#include <asm/bfin-global.h>

#endif              /* _BLACKFIN_H_ */