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Diffstat (limited to 'include/asm-sparc/ide.h')
-rw-r--r--include/asm-sparc/ide.h55
1 files changed, 30 insertions, 25 deletions
diff --git a/include/asm-sparc/ide.h b/include/asm-sparc/ide.h
index afd1736ed480..879fcec72dc1 100644
--- a/include/asm-sparc/ide.h
+++ b/include/asm-sparc/ide.h
@@ -10,9 +10,16 @@
10 10
11#ifdef __KERNEL__ 11#ifdef __KERNEL__
12 12
13#include <asm/pgtable.h>
14#include <asm/io.h> 13#include <asm/io.h>
14#ifdef CONFIG_SPARC64
15#include <asm/pgalloc.h>
16#include <asm/spitfire.h>
17#include <asm/cacheflush.h>
18#include <asm/page.h>
19#else
20#include <asm/pgtable.h>
15#include <asm/psr.h> 21#include <asm/psr.h>
22#endif
16 23
17#undef MAX_HWIFS 24#undef MAX_HWIFS
18#define MAX_HWIFS 2 25#define MAX_HWIFS 2
@@ -28,50 +35,46 @@
28#define __ide_mm_outsw __ide_outsw 35#define __ide_mm_outsw __ide_outsw
29#define __ide_mm_outsl __ide_outsl 36#define __ide_mm_outsl __ide_outsl
30 37
31static inline void __ide_insw(unsigned long port, 38static inline void __ide_insw(void __iomem *port, void *dst, u32 count)
32 void *dst,
33 unsigned long count)
34{ 39{
35 volatile unsigned short *data_port; 40#if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
36 /* unsigned long end = (unsigned long)dst + (count << 1); */ /* P3 */ 41 unsigned long end = (unsigned long)dst + (count << 1);
42#endif
37 u16 *ps = dst; 43 u16 *ps = dst;
38 u32 *pi; 44 u32 *pi;
39 45
40 data_port = (volatile unsigned short *)port;
41
42 if(((unsigned long)ps) & 0x2) { 46 if(((unsigned long)ps) & 0x2) {
43 *ps++ = *data_port; 47 *ps++ = __raw_readw(port);
44 count--; 48 count--;
45 } 49 }
46 pi = (u32 *)ps; 50 pi = (u32 *)ps;
47 while(count >= 2) { 51 while(count >= 2) {
48 u32 w; 52 u32 w;
49 53
50 w = (*data_port) << 16; 54 w = __raw_readw(port) << 16;
51 w |= (*data_port); 55 w |= __raw_readw(port);
52 *pi++ = w; 56 *pi++ = w;
53 count -= 2; 57 count -= 2;
54 } 58 }
55 ps = (u16 *)pi; 59 ps = (u16 *)pi;
56 if(count) 60 if(count)
57 *ps++ = *data_port; 61 *ps++ = __raw_readw(port);
58 62
59 /* __flush_dcache_range((unsigned long)dst, end); */ /* P3 see hme */ 63#if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
64 __flush_dcache_range((unsigned long)dst, end);
65#endif
60} 66}
61 67
62static inline void __ide_outsw(unsigned long port, 68static inline void __ide_outsw(void __iomem *port, const void *src, u32 count)
63 const void *src,
64 unsigned long count)
65{ 69{
66 volatile unsigned short *data_port; 70#if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
67 /* unsigned long end = (unsigned long)src + (count << 1); */ 71 unsigned long end = (unsigned long)src + (count << 1);
72#endif
68 const u16 *ps = src; 73 const u16 *ps = src;
69 const u32 *pi; 74 const u32 *pi;
70 75
71 data_port = (volatile unsigned short *)port;
72
73 if(((unsigned long)src) & 0x2) { 76 if(((unsigned long)src) & 0x2) {
74 *data_port = *ps++; 77 __raw_writew(*ps++, port);
75 count--; 78 count--;
76 } 79 }
77 pi = (const u32 *)ps; 80 pi = (const u32 *)ps;
@@ -79,15 +82,17 @@ static inline void __ide_outsw(unsigned long port,
79 u32 w; 82 u32 w;
80 83
81 w = *pi++; 84 w = *pi++;
82 *data_port = (w >> 16); 85 __raw_writew((w >> 16), port);
83 *data_port = w; 86 __raw_writew(w, port);
84 count -= 2; 87 count -= 2;
85 } 88 }
86 ps = (const u16 *)pi; 89 ps = (const u16 *)pi;
87 if(count) 90 if(count)
88 *data_port = *ps; 91 __raw_writew(*ps, port);
89 92
90 /* __flush_dcache_range((unsigned long)src, end); */ /* P3 see hme */ 93#if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
94 __flush_dcache_range((unsigned long)src, end);
95#endif
91} 96}
92 97
93#endif /* __KERNEL__ */ 98#endif /* __KERNEL__ */