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-rw-r--r--include/asm-ppc/io.h32
1 files changed, 31 insertions, 1 deletions
diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h
index 11dfa1c..86fe8dc 100644
--- a/include/asm-ppc/io.h
+++ b/include/asm-ppc/io.h
@@ -121,13 +121,43 @@ static inline void isync(void)
#define iobarrier_w() eieio()
/*
+ * Non ordered and non-swapping "raw" accessors
+ */
+#define __iomem
+#define PCI_FIX_ADDR(addr) (addr)
+
+static inline unsigned char __raw_readb(const volatile void __iomem *addr)
+{
+ return *(volatile unsigned char *)PCI_FIX_ADDR(addr);
+}
+static inline unsigned short __raw_readw(const volatile void __iomem *addr)
+{
+ return *(volatile unsigned short *)PCI_FIX_ADDR(addr);
+}
+static inline unsigned int __raw_readl(const volatile void __iomem *addr)
+{
+ return *(volatile unsigned int *)PCI_FIX_ADDR(addr);
+}
+static inline void __raw_writeb(unsigned char v, volatile void __iomem *addr)
+{
+ *(volatile unsigned char *)PCI_FIX_ADDR(addr) = v;
+}
+static inline void __raw_writew(unsigned short v, volatile void __iomem *addr)
+{
+ *(volatile unsigned short *)PCI_FIX_ADDR(addr) = v;
+}
+static inline void __raw_writel(unsigned int v, volatile void __iomem *addr)
+{
+ *(volatile unsigned int *)PCI_FIX_ADDR(addr) = v;
+}
+
+/*
* 8, 16 and 32 bit, big and little endian I/O operations, with barrier.
*
* Read operations have additional twi & isync to make sure the read
* is actually performed (i.e. the data has come back) before we start
* executing any following instructions.
*/
-#define __iomem
extern inline int in_8(const volatile unsigned char __iomem *addr)
{
int ret;