diff options
| author | Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> | 2007-07-22 00:03:37 -0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-07-24 11:02:47 -0400 |
| commit | fce2303166a8f214a890bd405e0088febdce765f (patch) | |
| tree | 96b0e97414b0336440c838e135128c32dc8f9c67 | |
| parent | fb4bb133ada7423b2504bb64bb6cc95c079a7d9d (diff) | |
[MIPS] Jazz: Remove unused arch/mips/jazz/io.c
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | arch/mips/jazz/io.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/arch/mips/jazz/io.c b/arch/mips/jazz/io.c deleted file mode 100644 index e86904454c89..000000000000 --- a/arch/mips/jazz/io.c +++ /dev/null | |||
| @@ -1,135 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 3 | * License. See the file "COPYING" in the main directory of this archive | ||
| 4 | * for more details. | ||
| 5 | * | ||
| 6 | * Low level I/O functions for Jazz family machines. | ||
| 7 | * | ||
| 8 | * Copyright (C) 1997 by Ralf Baechle. | ||
| 9 | */ | ||
| 10 | #include <linux/string.h> | ||
| 11 | #include <linux/spinlock.h> | ||
| 12 | #include <asm/addrspace.h> | ||
| 13 | #include <asm/system.h> | ||
| 14 | #include <asm/jazz.h> | ||
| 15 | |||
| 16 | /* | ||
| 17 | * Map an 16mb segment of the EISA address space to 0xe3000000; | ||
| 18 | */ | ||
| 19 | static inline void map_eisa_address(unsigned long address) | ||
| 20 | { | ||
| 21 | /* XXX */ | ||
| 22 | /* We've got an wired entry in the TLB. We just need to modify it. | ||
| 23 | fast and clean. But since we want to get rid of wired entries | ||
| 24 | things are a little bit more complicated ... */ | ||
| 25 | } | ||
| 26 | |||
| 27 | static unsigned char jazz_readb(unsigned long addr) | ||
| 28 | { | ||
| 29 | unsigned char res; | ||
| 30 | |||
| 31 | map_eisa_address(addr); | ||
| 32 | addr &= 0xffffff; | ||
| 33 | res = *(volatile unsigned char *) (JAZZ_EISA_BASE + addr); | ||
| 34 | |||
| 35 | return res; | ||
| 36 | } | ||
| 37 | |||
| 38 | static unsigned short jazz_readw(unsigned long addr) | ||
| 39 | { | ||
| 40 | unsigned short res; | ||
| 41 | |||
| 42 | map_eisa_address(addr); | ||
| 43 | addr &= 0xffffff; | ||
| 44 | res = *(volatile unsigned char *) (JAZZ_EISA_BASE + addr); | ||
| 45 | |||
| 46 | return res; | ||
| 47 | } | ||
| 48 | |||
| 49 | static unsigned int jazz_readl(unsigned long addr) | ||
| 50 | { | ||
| 51 | unsigned int res; | ||
| 52 | |||
| 53 | map_eisa_address(addr); | ||
| 54 | addr &= 0xffffff; | ||
| 55 | res = *(volatile unsigned char *) (JAZZ_EISA_BASE + addr); | ||
| 56 | |||
| 57 | return res; | ||
| 58 | } | ||
| 59 | |||
| 60 | static void jazz_writeb(unsigned char val, unsigned long addr) | ||
| 61 | { | ||
| 62 | map_eisa_address(addr); | ||
| 63 | addr &= 0xffffff; | ||
| 64 | *(volatile unsigned char *) (JAZZ_EISA_BASE + addr) = val; | ||
| 65 | } | ||
| 66 | |||
| 67 | static void jazz_writew(unsigned short val, unsigned long addr) | ||
| 68 | { | ||
| 69 | map_eisa_address(addr); | ||
| 70 | addr &= 0xffffff; | ||
| 71 | *(volatile unsigned char *) (JAZZ_EISA_BASE + addr) = val; | ||
| 72 | } | ||
| 73 | |||
| 74 | static void jazz_writel(unsigned int val, unsigned long addr) | ||
| 75 | { | ||
| 76 | map_eisa_address(addr); | ||
| 77 | addr &= 0xffffff; | ||
| 78 | *(volatile unsigned char *) (JAZZ_EISA_BASE + addr) = val; | ||
| 79 | } | ||
| 80 | |||
| 81 | static void jazz_memset_io(unsigned long addr, int val, unsigned long len) | ||
| 82 | { | ||
| 83 | unsigned long waddr; | ||
| 84 | |||
| 85 | waddr = JAZZ_EISA_BASE | (addr & 0xffffff); | ||
| 86 | while(len) { | ||
| 87 | unsigned long fraglen; | ||
| 88 | |||
| 89 | fraglen = (~addr + 1) & 0xffffff; | ||
| 90 | fraglen = (fraglen < len) ? fraglen : len; | ||
| 91 | map_eisa_address(addr); | ||
| 92 | memset((char *)waddr, val, fraglen); | ||
| 93 | addr += fraglen; | ||
| 94 | waddr = waddr + fraglen - 0x1000000; | ||
| 95 | len -= fraglen; | ||
| 96 | } | ||
| 97 | } | ||
| 98 | |||
| 99 | static void jazz_memcpy_fromio(unsigned long to, unsigned long from, unsigned long len) | ||
| 100 | { | ||
| 101 | unsigned long waddr; | ||
| 102 | |||
| 103 | waddr = JAZZ_EISA_BASE | (from & 0xffffff); | ||
| 104 | while(len) { | ||
| 105 | unsigned long fraglen; | ||
| 106 | |||
| 107 | fraglen = (~from + 1) & 0xffffff; | ||
| 108 | fraglen = (fraglen < len) ? fraglen : len; | ||
| 109 | map_eisa_address(from); | ||
| 110 | memcpy((void *)to, (void *)waddr, fraglen); | ||
| 111 | to += fraglen; | ||
| 112 | from += fraglen; | ||
| 113 | waddr = waddr + fraglen - 0x1000000; | ||
| 114 | len -= fraglen; | ||
| 115 | } | ||
| 116 | } | ||
| 117 | |||
| 118 | static void jazz_memcpy_toio(unsigned long to, unsigned long from, unsigned long len) | ||
| 119 | { | ||
| 120 | unsigned long waddr; | ||
| 121 | |||
| 122 | waddr = JAZZ_EISA_BASE | (to & 0xffffff); | ||
| 123 | while(len) { | ||
| 124 | unsigned long fraglen; | ||
| 125 | |||
| 126 | fraglen = (~to + 1) & 0xffffff; | ||
| 127 | fraglen = (fraglen < len) ? fraglen : len; | ||
| 128 | map_eisa_address(to); | ||
| 129 | memcpy((char *)to + JAZZ_EISA_BASE, (void *)from, fraglen); | ||
| 130 | to += fraglen; | ||
| 131 | from += fraglen; | ||
| 132 | waddr = waddr + fraglen - 0x1000000; | ||
| 133 | len -= fraglen; | ||
| 134 | } | ||
| 135 | } | ||
