aboutsummaryrefslogblamecommitdiffstats
path: root/arch/blackfin/include/asm/blackfin.h
blob: eb7c1441d8f9ebf846111f66f91c6ac03f38a490 (plain) (tree)
1
2
3
4
5
6
7
8
9
10
11
  
                                                        
  


                                           




                    
                         



                                     
                              

                 
                             







                                     
                                  







                                               
 

                                     
                              

                 
                             







                                     
                                  



                                     
                                


                                               
 
 

                         




                                            




                                                      
                    


                                                                 
                      


                                            
     




                                                         

                         
                        
                          

                            
                                                  
/*
 * 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)
		__asm__ __volatile__(
			"cli %0;"
			"nop;"
			"nop;"
			"ssync;"
			"sti %0;"
			: "=d" (_tmp)
		);
	else if (ANOMALY_05000244)
		__asm__ __volatile__(
			"nop;"
			"nop;"
			"nop;"
			"ssync;"
		);
	else
		__asm__ __volatile__("ssync;");
}

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

#elif ANOMALY_05000244
#define SSYNC(scratch) nop; nop; nop; SSYNC;
#define CSYNC(scratch) nop; nop; nop; CSYNC;

#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_ */