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>
17 #include <asm/spitfire.h>
20 # ifdef CONFIG_BLK_DEV_IDEPCI
27 static __inline__ int ide_default_irq(unsigned long base)
32 static __inline__ unsigned long ide_default_io_base(int index)
37 #define ide_init_default_irq(base) (0)
39 #define __ide_insl(data_reg, buffer, wcount) \
40 __ide_insw(data_reg, buffer, (wcount)<<1)
41 #define __ide_outsl(data_reg, buffer, wcount) \
42 __ide_outsw(data_reg, buffer, (wcount)<<1)
44 /* On sparc64, I/O ports and MMIO registers are accessed identically. */
45 #define __ide_mm_insw __ide_insw
46 #define __ide_mm_insl __ide_insl
47 #define __ide_mm_outsw __ide_outsw
48 #define __ide_mm_outsl __ide_outsl
50 static __inline__ unsigned int inw_be(unsigned long addr)
54 __asm__ __volatile__("lduha [%1] %2, %0"
56 : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
61 static __inline__ void __ide_insw(unsigned long port,
65 #if (L1DCACHE_SIZE > PAGE_SIZE) /* is there D$ aliasing problem */
66 unsigned long end = (unsigned long)dst + (count << 1);
79 w = inw_be(port) << 16;
88 #if (L1DCACHE_SIZE > PAGE_SIZE) /* is there D$ aliasing problem */
89 __flush_dcache_range((unsigned long)dst, end);
93 static __inline__ void outw_be(unsigned short w, unsigned long addr)
95 __asm__ __volatile__("stha %0, [%1] %2"
97 : "r" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
100 static __inline__ void __ide_outsw(unsigned long port,
104 #if (L1DCACHE_SIZE > PAGE_SIZE) /* is there D$ aliasing problem */
105 unsigned long end = (unsigned long)src + (count << 1);
110 if(((u64)src) & 0x2) {
111 outw_be(*ps++, port);
114 pi = (const u32 *)ps;
119 outw_be((w >> 16), port);
123 ps = (const u16 *)pi;
127 #if (L1DCACHE_SIZE > PAGE_SIZE) /* is there D$ aliasing problem */
128 __flush_dcache_range((unsigned long)src, end);
132 #endif /* __KERNEL__ */
134 #endif /* _SPARC64_IDE_H */