diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2007-11-09 00:06:24 -0500 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2008-01-27 23:18:41 -0500 |
| commit | 62d6b66edc68f906138df7ba01efd41a45981586 (patch) | |
| tree | 98477be0c81e3db1a66646ca88db201a8ef6cd53 /arch/sh/kernel/io.c | |
| parent | 7a65eaf4885d1d0afeec45239eaf9208a3235b51 (diff) | |
sh: Move sh32 optimized I/O routines to arch/sh/lib/
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/io.c')
| -rw-r--r-- | arch/sh/kernel/io.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/arch/sh/kernel/io.c b/arch/sh/kernel/io.c index 501fe03e3715..71c9fde2fd90 100644 --- a/arch/sh/kernel/io.c +++ b/arch/sh/kernel/io.c | |||
| @@ -61,73 +61,6 @@ void memset_io(volatile void __iomem *dst, int c, unsigned long count) | |||
| 61 | } | 61 | } |
| 62 | EXPORT_SYMBOL(memset_io); | 62 | EXPORT_SYMBOL(memset_io); |
| 63 | 63 | ||
| 64 | void __raw_readsl(unsigned long addr, void *datap, int len) | ||
| 65 | { | ||
| 66 | u32 *data; | ||
| 67 | |||
| 68 | for (data = datap; (len != 0) && (((u32)data & 0x1f) != 0); len--) | ||
| 69 | *data++ = ctrl_inl(addr); | ||
| 70 | |||
| 71 | if (likely(len >= (0x20 >> 2))) { | ||
| 72 | int tmp2, tmp3, tmp4, tmp5, tmp6; | ||
| 73 | |||
| 74 | __asm__ __volatile__( | ||
| 75 | "1: \n\t" | ||
| 76 | "mov.l @%7, r0 \n\t" | ||
| 77 | "mov.l @%7, %2 \n\t" | ||
| 78 | #ifdef CONFIG_CPU_SH4 | ||
| 79 | "movca.l r0, @%0 \n\t" | ||
| 80 | #else | ||
| 81 | "mov.l r0, @%0 \n\t" | ||
| 82 | #endif | ||
| 83 | "mov.l @%7, %3 \n\t" | ||
| 84 | "mov.l @%7, %4 \n\t" | ||
| 85 | "mov.l @%7, %5 \n\t" | ||
| 86 | "mov.l @%7, %6 \n\t" | ||
| 87 | "mov.l @%7, r7 \n\t" | ||
| 88 | "mov.l @%7, r0 \n\t" | ||
| 89 | "mov.l %2, @(0x04,%0) \n\t" | ||
| 90 | "mov #0x20>>2, %2 \n\t" | ||
| 91 | "mov.l %3, @(0x08,%0) \n\t" | ||
| 92 | "sub %2, %1 \n\t" | ||
| 93 | "mov.l %4, @(0x0c,%0) \n\t" | ||
| 94 | "cmp/hi %1, %2 ! T if 32 > len \n\t" | ||
| 95 | "mov.l %5, @(0x10,%0) \n\t" | ||
| 96 | "mov.l %6, @(0x14,%0) \n\t" | ||
| 97 | "mov.l r7, @(0x18,%0) \n\t" | ||
| 98 | "mov.l r0, @(0x1c,%0) \n\t" | ||
| 99 | "bf.s 1b \n\t" | ||
| 100 | " add #0x20, %0 \n\t" | ||
| 101 | : "=&r" (data), "=&r" (len), | ||
| 102 | "=&r" (tmp2), "=&r" (tmp3), "=&r" (tmp4), | ||
| 103 | "=&r" (tmp5), "=&r" (tmp6) | ||
| 104 | : "r"(addr), "0" (data), "1" (len) | ||
| 105 | : "r0", "r7", "t", "memory"); | ||
| 106 | } | ||
| 107 | |||
| 108 | for (; len != 0; len--) | ||
| 109 | *data++ = ctrl_inl(addr); | ||
| 110 | } | ||
| 111 | EXPORT_SYMBOL(__raw_readsl); | ||
| 112 | |||
| 113 | void __raw_writesl(unsigned long addr, const void *data, int len) | ||
| 114 | { | ||
| 115 | if (likely(len != 0)) { | ||
| 116 | int tmp1; | ||
| 117 | |||
| 118 | __asm__ __volatile__ ( | ||
| 119 | "1: \n\t" | ||
| 120 | "mov.l @%0+, %1 \n\t" | ||
| 121 | "dt %3 \n\t" | ||
| 122 | "bf.s 1b \n\t" | ||
| 123 | " mov.l %1, @%4 \n\t" | ||
| 124 | : "=&r" (data), "=&r" (tmp1) | ||
| 125 | : "0" (data), "r" (len), "r"(addr) | ||
| 126 | : "t", "memory"); | ||
| 127 | } | ||
| 128 | } | ||
| 129 | EXPORT_SYMBOL(__raw_writesl); | ||
| 130 | |||
| 131 | void __iomem *ioport_map(unsigned long port, unsigned int nr) | 64 | void __iomem *ioport_map(unsigned long port, unsigned int nr) |
| 132 | { | 65 | { |
| 133 | return sh_mv.mv_ioport_map(port, nr); | 66 | return sh_mv.mv_ioport_map(port, nr); |