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>
27 #define __ide_insl(data_reg, buffer, wcount) \
28 __ide_insw(data_reg, buffer, (wcount)<<1)
29 #define __ide_outsl(data_reg, buffer, wcount) \
30 __ide_outsw(data_reg, buffer, (wcount)<<1)
32 /* On sparc, I/O ports and MMIO registers are accessed identically. */
33 #define __ide_mm_insw __ide_insw
34 #define __ide_mm_insl __ide_insl
35 #define __ide_mm_outsw __ide_outsw
36 #define __ide_mm_outsl __ide_outsl
38 static inline void __ide_insw(void __iomem
*port
, void *dst
, u32 count
)
40 #if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
41 unsigned long end
= (unsigned long)dst
+ (count
<< 1);
46 if(((unsigned long)ps
) & 0x2) {
47 *ps
++ = __raw_readw(port
);
54 w
= __raw_readw(port
) << 16;
55 w
|= __raw_readw(port
);
61 *ps
++ = __raw_readw(port
);
63 #if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
64 __flush_dcache_range((unsigned long)dst
, end
);
68 static inline void __ide_outsw(void __iomem
*port
, const void *src
, u32 count
)
70 #if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
71 unsigned long end
= (unsigned long)src
+ (count
<< 1);
76 if(((unsigned long)src
) & 0x2) {
77 __raw_writew(*ps
++, port
);
85 __raw_writew((w
>> 16), port
);
86 __raw_writew(w
, port
);
91 __raw_writew(*ps
, port
);
93 #if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
94 __flush_dcache_range((unsigned long)src
, end
);
98 #endif /* __KERNEL__ */
100 #endif /* _SPARC_IDE_H */
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