X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fiomap.c;h=55689c5d3379dbde2013f8cf3509bef6e9d74598;hb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;hp=d30ff1a8edee2737638e77ae32d2dc32f06d45c9;hpb=a2c21200f1c81b08cb55e417b68150bba439b646;p=linux-2.6.git

diff --git a/lib/iomap.c b/lib/iomap.c
index d30ff1a8e..55689c5d3 100644
--- a/lib/iomap.c
+++ b/lib/iomap.c
@@ -1,5 +1,7 @@
 /*
  * Implement the default iomap interfaces
+ *
+ * (C) Copyright 2004 Linus Torvalds
  */
 #include <linux/pci.h>
 #include <linux/module.h>
@@ -17,7 +19,10 @@
  *
  * Architectures for which this is not true can't use this generic
  * implementation and should do their own copy.
- *
+ */
+
+#ifndef HAVE_ARCH_PIO_SIZE
+/*
  * We encode the physical PIO addresses (0-0xffff) into the
  * pointer by offsetting them with a constant (0x10000) and
  * assuming that all the low addresses are always PIO. That means
@@ -27,6 +32,7 @@
 #define PIO_OFFSET	0x10000UL
 #define PIO_MASK	0x0ffffUL
 #define PIO_RESERVED	0x40000UL
+#endif
 
 /*
  * Ugly macros are a way of life.
@@ -52,13 +58,23 @@ unsigned int fastcall ioread16(void __iomem *addr)
 {
 	IO_COND(addr, return inw(port), return readw(addr));
 }
+unsigned int fastcall ioread16be(void __iomem *addr)
+{
+	IO_COND(addr, return inw(port), return be16_to_cpu(__raw_readw(addr)));
+}
 unsigned int fastcall ioread32(void __iomem *addr)
 {
 	IO_COND(addr, return inl(port), return readl(addr));
 }
+unsigned int fastcall ioread32be(void __iomem *addr)
+{
+	IO_COND(addr, return inl(port), return be32_to_cpu(__raw_readl(addr)));
+}
 EXPORT_SYMBOL(ioread8);
 EXPORT_SYMBOL(ioread16);
+EXPORT_SYMBOL(ioread16be);
 EXPORT_SYMBOL(ioread32);
+EXPORT_SYMBOL(ioread32be);
 
 void fastcall iowrite8(u8 val, void __iomem *addr)
 {
@@ -68,13 +84,23 @@ void fastcall iowrite16(u16 val, void __iomem *addr)
 {
 	IO_COND(addr, outw(val,port), writew(val, addr));
 }
+void fastcall iowrite16be(u16 val, void __iomem *addr)
+{
+	IO_COND(addr, outw(val,port), __raw_writew(cpu_to_be16(val), addr));
+}
 void fastcall iowrite32(u32 val, void __iomem *addr)
 {
 	IO_COND(addr, outl(val,port), writel(val, addr));
 }
+void fastcall iowrite32be(u32 val, void __iomem *addr)
+{
+	IO_COND(addr, outl(val,port), __raw_writel(cpu_to_be32(val), addr));
+}
 EXPORT_SYMBOL(iowrite8);
 EXPORT_SYMBOL(iowrite16);
+EXPORT_SYMBOL(iowrite16be);
 EXPORT_SYMBOL(iowrite32);
+EXPORT_SYMBOL(iowrite32be);
 
 /*
  * These are the "repeat MMIO read/write" functions.