diff options
Diffstat (limited to 'include/asm-sparc64/ide.h')
-rw-r--r-- | include/asm-sparc64/ide.h | 119 |
1 files changed, 1 insertions, 118 deletions
diff --git a/include/asm-sparc64/ide.h b/include/asm-sparc64/ide.h index 1282676da1cd..7125317a428d 100644 --- a/include/asm-sparc64/ide.h +++ b/include/asm-sparc64/ide.h | |||
@@ -1,118 +1 @@ | |||
1 | /* | #include <asm-sparc/ide.h> | |
2 | * ide.h: Ultra/PCI specific IDE glue. | ||
3 | * | ||
4 | * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) | ||
5 | * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) | ||
6 | */ | ||
7 | |||
8 | #ifndef _SPARC64_IDE_H | ||
9 | #define _SPARC64_IDE_H | ||
10 | |||
11 | #ifdef __KERNEL__ | ||
12 | |||
13 | #include <asm/pgalloc.h> | ||
14 | #include <asm/io.h> | ||
15 | #include <asm/spitfire.h> | ||
16 | #include <asm/cacheflush.h> | ||
17 | #include <asm/page.h> | ||
18 | |||
19 | #ifndef MAX_HWIFS | ||
20 | # ifdef CONFIG_BLK_DEV_IDEPCI | ||
21 | #define MAX_HWIFS 10 | ||
22 | # else | ||
23 | #define MAX_HWIFS 2 | ||
24 | # endif | ||
25 | #endif | ||
26 | |||
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) | ||
31 | |||
32 | /* On sparc64, 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 | ||
37 | |||
38 | static inline unsigned int inw_be(void __iomem *addr) | ||
39 | { | ||
40 | unsigned int ret; | ||
41 | |||
42 | __asm__ __volatile__("lduha [%1] %2, %0" | ||
43 | : "=r" (ret) | ||
44 | : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
45 | |||
46 | return ret; | ||
47 | } | ||
48 | |||
49 | static inline void __ide_insw(void __iomem *port, void *dst, u32 count) | ||
50 | { | ||
51 | #ifdef DCACHE_ALIASING_POSSIBLE | ||
52 | unsigned long end = (unsigned long)dst + (count << 1); | ||
53 | #endif | ||
54 | u16 *ps = dst; | ||
55 | u32 *pi; | ||
56 | |||
57 | if(((u64)ps) & 0x2) { | ||
58 | *ps++ = inw_be(port); | ||
59 | count--; | ||
60 | } | ||
61 | pi = (u32 *)ps; | ||
62 | while(count >= 2) { | ||
63 | u32 w; | ||
64 | |||
65 | w = inw_be(port) << 16; | ||
66 | w |= inw_be(port); | ||
67 | *pi++ = w; | ||
68 | count -= 2; | ||
69 | } | ||
70 | ps = (u16 *)pi; | ||
71 | if(count) | ||
72 | *ps++ = inw_be(port); | ||
73 | |||
74 | #ifdef DCACHE_ALIASING_POSSIBLE | ||
75 | __flush_dcache_range((unsigned long)dst, end); | ||
76 | #endif | ||
77 | } | ||
78 | |||
79 | static inline void outw_be(unsigned short w, void __iomem *addr) | ||
80 | { | ||
81 | __asm__ __volatile__("stha %0, [%1] %2" | ||
82 | : /* no outputs */ | ||
83 | : "r" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | ||
84 | } | ||
85 | |||
86 | static inline void __ide_outsw(void __iomem *port, void *src, u32 count) | ||
87 | { | ||
88 | #ifdef DCACHE_ALIASING_POSSIBLE | ||
89 | unsigned long end = (unsigned long)src + (count << 1); | ||
90 | #endif | ||
91 | const u16 *ps = src; | ||
92 | const u32 *pi; | ||
93 | |||
94 | if(((u64)src) & 0x2) { | ||
95 | outw_be(*ps++, port); | ||
96 | count--; | ||
97 | } | ||
98 | pi = (const u32 *)ps; | ||
99 | while(count >= 2) { | ||
100 | u32 w; | ||
101 | |||
102 | w = *pi++; | ||
103 | outw_be((w >> 16), port); | ||
104 | outw_be(w, port); | ||
105 | count -= 2; | ||
106 | } | ||
107 | ps = (const u16 *)pi; | ||
108 | if(count) | ||
109 | outw_be(*ps, port); | ||
110 | |||
111 | #ifdef DCACHE_ALIASING_POSSIBLE | ||
112 | __flush_dcache_range((unsigned long)src, end); | ||
113 | #endif | ||
114 | } | ||
115 | |||
116 | #endif /* __KERNEL__ */ | ||
117 | |||
118 | #endif /* _SPARC64_IDE_H */ | ||