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 <linux/config.h>
14 #include <asm/pgalloc.h>
16 #include <asm/spitfire.h>
17 #include <asm/cacheflush.h>
21 # ifdef CONFIG_BLK_DEV_IDEPCI
28 #define IDE_ARCH_OBSOLETE_INIT
29 #define ide_default_io_ctl(base) ((base) + 0x206) /* obsolete */
31 #define __ide_insl(data_reg, buffer, wcount) \
32 __ide_insw(data_reg, buffer, (wcount)<<1)
33 #define __ide_outsl(data_reg, buffer, wcount) \
34 __ide_outsw(data_reg, buffer, (wcount)<<1)
36 /* On sparc64, I/O ports and MMIO registers are accessed identically. */
37 #define __ide_mm_insw __ide_insw
38 #define __ide_mm_insl __ide_insl
39 #define __ide_mm_outsw __ide_outsw
40 #define __ide_mm_outsl __ide_outsl
42 static inline unsigned int inw_be(void __iomem *addr)
46 __asm__ __volatile__("lduha [%1] %2, %0"
48 : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
53 static inline void __ide_insw(void __iomem *port, void *dst, u32 count)
55 #ifdef DCACHE_ALIASING_POSSIBLE
56 unsigned long end = (unsigned long)dst + (count << 1);
69 w = inw_be(port) << 16;
78 #ifdef DCACHE_ALIASING_POSSIBLE
79 __flush_dcache_range((unsigned long)dst, end);
83 static inline void outw_be(unsigned short w, void __iomem *addr)
85 __asm__ __volatile__("stha %0, [%1] %2"
87 : "r" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
90 static inline void __ide_outsw(void __iomem *port, void *src, u32 count)
92 #ifdef DCACHE_ALIASING_POSSIBLE
93 unsigned long end = (unsigned long)src + (count << 1);
98 if(((u64)src) & 0x2) {
102 pi = (const u32 *)ps;
107 outw_be((w >> 16), port);
111 ps = (const u16 *)pi;
115 #ifdef DCACHE_ALIASING_POSSIBLE
116 __flush_dcache_range((unsigned long)src, end);
120 #endif /* __KERNEL__ */
122 #endif /* _SPARC64_IDE_H */