1 /* ide.h: SPARC PCI specific IDE glue.
3 * Copyright (C) 1997 David S. Miller (davem@davemloft.net)
4 * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
5 * Adaptation from sparc64 version to sparc by Pete Zaitcev.
15 #include <asm/pgalloc.h>
16 #include <asm/spitfire.h>
17 #include <asm/cacheflush.h>
20 #include <asm/pgtable.h>
24 #define __ide_insl(data_reg, buffer, wcount) \
25 __ide_insw(data_reg, buffer, (wcount)<<1)
26 #define __ide_outsl(data_reg, buffer, wcount) \
27 __ide_outsw(data_reg, buffer, (wcount)<<1)
29 /* On sparc, I/O ports and MMIO registers are accessed identically. */
30 #define __ide_mm_insw __ide_insw
31 #define __ide_mm_insl __ide_insl
32 #define __ide_mm_outsw __ide_outsw
33 #define __ide_mm_outsl __ide_outsl
35 static inline void __ide_insw(void __iomem
*port
, void *dst
, u32 count
)
37 #if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
38 unsigned long end
= (unsigned long)dst
+ (count
<< 1);
43 if(((unsigned long)ps
) & 0x2) {
44 *ps
++ = __raw_readw(port
);
51 w
= __raw_readw(port
) << 16;
52 w
|= __raw_readw(port
);
58 *ps
++ = __raw_readw(port
);
60 #if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
61 __flush_dcache_range((unsigned long)dst
, end
);
65 static inline void __ide_outsw(void __iomem
*port
, const void *src
, u32 count
)
67 #if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
68 unsigned long end
= (unsigned long)src
+ (count
<< 1);
73 if(((unsigned long)src
) & 0x2) {
74 __raw_writew(*ps
++, port
);
82 __raw_writew((w
>> 16), port
);
83 __raw_writew(w
, port
);
88 __raw_writew(*ps
, port
);
90 #if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
91 __flush_dcache_range((unsigned long)src
, end
);
95 #endif /* __KERNEL__ */
97 #endif /* _SPARC_IDE_H */
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