1 /* $Id: ide.h,v 1.21 2001/09/25 20:21:48 kanoj Exp $
2 * ide.h: Ultra/PCI specific IDE glue.
4 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
5 * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
13 #include <asm/pgalloc.h>
15 #include <asm/spitfire.h>
16 #include <asm/cacheflush.h>
20 # ifdef CONFIG_BLK_DEV_IDEPCI
27 #define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */
29 #define __ide_insl(data_reg, buffer, wcount) \
30 __ide_insw(data_reg, buffer, (wcount)<<1)
31 #define __ide_outsl(data_reg, buffer, wcount) \
32 __ide_outsw(data_reg, buffer, (wcount)<<1)
34 /* On sparc64, I/O ports and MMIO registers are accessed identically. */
35 #define __ide_mm_insw __ide_insw
36 #define __ide_mm_insl __ide_insl
37 #define __ide_mm_outsw __ide_outsw
38 #define __ide_mm_outsl __ide_outsl
40 static inline unsigned int inw_be(void __iomem *addr)
44 __asm__ __volatile__("lduha [%1] %2, %0"
46 : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
51 static inline void __ide_insw(void __iomem *port, void *dst, u32 count)
53 #ifdef DCACHE_ALIASING_POSSIBLE
54 unsigned long end = (unsigned long)dst + (count << 1);
67 w = inw_be(port) << 16;
76 #ifdef DCACHE_ALIASING_POSSIBLE
77 __flush_dcache_range((unsigned long)dst, end);
81 static inline void outw_be(unsigned short w, void __iomem *addr)
83 __asm__ __volatile__("stha %0, [%1] %2"
85 : "r" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
88 static inline void __ide_outsw(void __iomem *port, void *src, u32 count)
90 #ifdef DCACHE_ALIASING_POSSIBLE
91 unsigned long end = (unsigned long)src + (count << 1);
96 if(((u64)src) & 0x2) {
100 pi = (const u32 *)ps;
105 outw_be((w >> 16), port);
109 ps = (const u16 *)pi;
113 #ifdef DCACHE_ALIASING_POSSIBLE
114 __flush_dcache_range((unsigned long)src, end);
118 #endif /* __KERNEL__ */
120 #endif /* _SPARC64_IDE_H */