Merge branch 'master' of /home/stefan/git/u-boot/u-boot

[oweals/u-boot.git] / include / asm-ppc / io.h

diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h
index 03289bcc21402ea3f20dd7d991b5ddcd4d80f1bb..7cc28bfe3a25c3bc048e46b0aa933b257184de4b 100644 (file)
--- a/include/asm-ppc/io.h
+++ b/include/asm-ppc/io.h
@@ -13,6 +13,9 @@
 #define SIO_CONFIG_RA   0x398
 #define SIO_CONFIG_RD   0x399
 
+#ifndef _IO_BASE
+#define _IO_BASE 0
+#endif
 
 #define readb(addr) in_8((volatile u8 *)(addr))
 #define writeb(b,addr) out_8((volatile u8 *)(addr), (b))
@@ -117,6 +120,37 @@ static inline void isync(void)
 #define iobarrier_r()  eieio()
 #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.
  *
@@ -124,7 +158,6 @@ static inline void isync(void)
  * 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;
@@ -205,4 +238,28 @@ extern inline void out_be32(volatile unsigned __iomem *addr, int val)
        __asm__ __volatile__("sync; stw%U0%X0 %1,%0" : "=m" (*addr) : "r" (val));
 }
 
+/*
+ * Given a physical address and a length, return a virtual address
+ * that can be used to access the memory range with the caching
+ * properties specified by "flags".
+ */
+#define MAP_NOCACHE    (0)
+#define MAP_WRCOMBINE  (0)
+#define MAP_WRBACK     (0)
+#define MAP_WRTHROUGH  (0)
+
+static inline void *
+map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
+{
+       return (void *)((unsigned long)paddr);
+}
+
+/*
+ * Take down a mapping set up by map_physmem().
+ */
+static inline void unmap_physmem(void *vaddr, unsigned long flags)
+{
+
+}
+
 #endif