diff options
Diffstat (limited to 'include/asm-sparc/ide.h')
| -rw-r--r-- | include/asm-sparc/ide.h | 103 |
1 files changed, 8 insertions, 95 deletions
diff --git a/include/asm-sparc/ide.h b/include/asm-sparc/ide.h index afd1736ed480..a3c7f5ff270a 100644 --- a/include/asm-sparc/ide.h +++ b/include/asm-sparc/ide.h | |||
| @@ -1,95 +1,8 @@ | |||
| 1 | /* ide.h: SPARC PCI specific IDE glue. | 1 | #ifndef ___ASM_SPARC_IDE_H |
| 2 | * | 2 | #define ___ASM_SPARC_IDE_H |
| 3 | * Copyright (C) 1997 David S. Miller (davem@davemloft.net) | 3 | #if defined(__sparc__) && defined(__arch64__) |
| 4 | * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) | 4 | #include <asm-sparc/ide_64.h> |
| 5 | * Adaptation from sparc64 version to sparc by Pete Zaitcev. | 5 | #else |
| 6 | */ | 6 | #include <asm-sparc/ide_32.h> |
| 7 | 7 | #endif | |
| 8 | #ifndef _SPARC_IDE_H | 8 | #endif |
| 9 | #define _SPARC_IDE_H | ||
| 10 | |||
| 11 | #ifdef __KERNEL__ | ||
| 12 | |||
| 13 | #include <asm/pgtable.h> | ||
| 14 | #include <asm/io.h> | ||
| 15 | #include <asm/psr.h> | ||
| 16 | |||
| 17 | #undef MAX_HWIFS | ||
| 18 | #define MAX_HWIFS 2 | ||
| 19 | |||
| 20 | #define __ide_insl(data_reg, buffer, wcount) \ | ||
| 21 | __ide_insw(data_reg, buffer, (wcount)<<1) | ||
| 22 | #define __ide_outsl(data_reg, buffer, wcount) \ | ||
| 23 | __ide_outsw(data_reg, buffer, (wcount)<<1) | ||
| 24 | |||
| 25 | /* On sparc, I/O ports and MMIO registers are accessed identically. */ | ||
| 26 | #define __ide_mm_insw __ide_insw | ||
| 27 | #define __ide_mm_insl __ide_insl | ||
| 28 | #define __ide_mm_outsw __ide_outsw | ||
| 29 | #define __ide_mm_outsl __ide_outsl | ||
| 30 | |||
| 31 | static inline void __ide_insw(unsigned long port, | ||
| 32 | void *dst, | ||
| 33 | unsigned long count) | ||
| 34 | { | ||
| 35 | volatile unsigned short *data_port; | ||
| 36 | /* unsigned long end = (unsigned long)dst + (count << 1); */ /* P3 */ | ||
| 37 | u16 *ps = dst; | ||
| 38 | u32 *pi; | ||
| 39 | |||
| 40 | data_port = (volatile unsigned short *)port; | ||
| 41 | |||
| 42 | if(((unsigned long)ps) & 0x2) { | ||
| 43 | *ps++ = *data_port; | ||
| 44 | count--; | ||
| 45 | } | ||
| 46 | pi = (u32 *)ps; | ||
| 47 | while(count >= 2) { | ||
| 48 | u32 w; | ||
| 49 | |||
| 50 | w = (*data_port) << 16; | ||
| 51 | w |= (*data_port); | ||
| 52 | *pi++ = w; | ||
| 53 | count -= 2; | ||
| 54 | } | ||
| 55 | ps = (u16 *)pi; | ||
| 56 | if(count) | ||
| 57 | *ps++ = *data_port; | ||
| 58 | |||
| 59 | /* __flush_dcache_range((unsigned long)dst, end); */ /* P3 see hme */ | ||
| 60 | } | ||
| 61 | |||
| 62 | static inline void __ide_outsw(unsigned long port, | ||
| 63 | const void *src, | ||
| 64 | unsigned long count) | ||
| 65 | { | ||
| 66 | volatile unsigned short *data_port; | ||
| 67 | /* unsigned long end = (unsigned long)src + (count << 1); */ | ||
| 68 | const u16 *ps = src; | ||
| 69 | const u32 *pi; | ||
| 70 | |||
| 71 | data_port = (volatile unsigned short *)port; | ||
| 72 | |||
| 73 | if(((unsigned long)src) & 0x2) { | ||
| 74 | *data_port = *ps++; | ||
| 75 | count--; | ||
| 76 | } | ||
| 77 | pi = (const u32 *)ps; | ||
| 78 | while(count >= 2) { | ||
| 79 | u32 w; | ||
| 80 | |||
| 81 | w = *pi++; | ||
| 82 | *data_port = (w >> 16); | ||
| 83 | *data_port = w; | ||
| 84 | count -= 2; | ||
| 85 | } | ||
| 86 | ps = (const u16 *)pi; | ||
| 87 | if(count) | ||
| 88 | *data_port = *ps; | ||
| 89 | |||
| 90 | /* __flush_dcache_range((unsigned long)src, end); */ /* P3 see hme */ | ||
| 91 | } | ||
| 92 | |||
| 93 | #endif /* __KERNEL__ */ | ||
| 94 | |||
| 95 | #endif /* _SPARC_IDE_H */ | ||