tree 2d328be90eb7f68f273858e0e017566f8402bf82
parent 1635317facea3094ddf34082cd86797efb1d9f7e
author Arthur Othieno <[EMAIL PROTECTED]> Sun, 21 Aug 2005 05:48:47 -0400
committer Paul Mackerras <[EMAIL PROTECTED]> Fri, 09 Sep 2005 22:11:38 +1000

[PATCH] ppc64: Big-endian I/O memory accessors.

I/O memory accessors. Big-endian version. For those busses/devices
that do export big-endian I/O memory.

Of notable relevance/reference:

   http://lwn.net/Articles/132804/
   http://ozlabs.org/pipermail/linuxppc-embedded/2005-August/019798.html
   http://ozlabs.org/pipermail/linuxppc-embedded/2005-August/019752.html

Signed-Off-By: Arthur Othieno <[EMAIL PROTECTED]>
Signed-off-by: Paul Mackerras <[EMAIL PROTECTED]>

 arch/ppc64/kernel/iomap.c |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+)

diff --git a/arch/ppc64/kernel/iomap.c b/arch/ppc64/kernel/iomap.c
--- a/arch/ppc64/kernel/iomap.c
+++ b/arch/ppc64/kernel/iomap.c
@@ -22,13 +22,23 @@ unsigned int fastcall ioread16(void __io
 {
        return readw(addr);
 }
+unsigned int fastcall ioread16be(void __iomem *addr)
+{
+       return in_be16(addr);
+}
 unsigned int fastcall ioread32(void __iomem *addr)
 {
        return readl(addr);
 }
+unsigned int fastcall ioread32be(void __iomem *addr)
+{
+       return in_be32(addr);
+}
 EXPORT_SYMBOL(ioread8);
 EXPORT_SYMBOL(ioread16);
+EXPORT_SYMBOL(ioread16be);
 EXPORT_SYMBOL(ioread32);
+EXPORT_SYMBOL(ioread32be);
 
 void fastcall iowrite8(u8 val, void __iomem *addr)
 {
@@ -38,13 +48,23 @@ void fastcall iowrite16(u16 val, void __
 {
        writew(val, addr);
 }
+void fastcall iowrite16be(u16 val, void __iomem *addr)
+{
+       out_be16(addr, val);
+}
 void fastcall iowrite32(u32 val, void __iomem *addr)
 {
        writel(val, addr);
 }
+void fastcall iowrite32be(u32 val, void __iomem *addr)
+{
+       out_be32(addr, val);
+}
 EXPORT_SYMBOL(iowrite8);
 EXPORT_SYMBOL(iowrite16);
+EXPORT_SYMBOL(iowrite16be);
 EXPORT_SYMBOL(iowrite32);
+EXPORT_SYMBOL(iowrite32be);
 
 /*
  * These are the "repeat read/write" functions. Note the
-
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