imported Ka-Ro specific additions to U-Boot 2009.08 for TX28

[karo-tx-uboot.git] / include / asm-nios / io.h

diff --git a/include/asm-nios/io.h b/include/asm-nios/io.h
index 07499d966d5a6645daa61964e97b3941c197b787..899682cc40dab7d51e37fb7e7c164d295d845d42 100755 (executable)
--- a/include/asm-nios/io.h
+++ b/include/asm-nios/io.h
@@ -23,24 +23,32 @@
 #ifndef __ASM_NIOS_IO_H_
 #define __ASM_NIOS_IO_H_
 
+#define __raw_writeb(v,a)       (*(volatile unsigned char  *)(a) = (v))
+#define __raw_writew(v,a)       (*(volatile unsigned short *)(a) = (v))
+#define __raw_writel(v,a)       (*(volatile unsigned int   *)(a) = (v))
+
+#define __raw_readb(a)          (*(volatile unsigned char  *)(a))
+#define __raw_readw(a)          (*(volatile unsigned short *)(a))
+#define __raw_readl(a)          (*(volatile unsigned int   *)(a))
+
 #define readb(addr)\
        ({unsigned char val;\
         asm volatile(  "       pfxio   0               \n"\
-                       "       ld      %0, [%1]        \n"\
+                       "       ld      %0, [%1]        \n"\
                        "       ext8d   %0, %1          \n"\
                        :"=r"(val) : "r" (addr)); val;})
 
 #define readw(addr)\
        ({unsigned short val;\
         asm volatile(  "       pfxio   0               \n"\
-                       "       ld      %0, [%1]        \n"\
+                       "       ld      %0, [%1]        \n"\
                        "       ext16d  %0, %1          \n"\
                        :"=r"(val) : "r" (addr)); val;})
 
 #define readl(addr)\
        ({unsigned long val;\
         asm volatile(  "       pfxio   0               \n"\
-                       "       ld      %0, [%1]        \n"\
+                       "       ld      %0, [%1]        \n"\
                        :"=r"(val) : "r" (addr)); val;})
 
 #define writeb(addr,val)\
@@ -97,4 +105,37 @@ static inline void outsl (unsigned long port, const void *src, unsigned long cou
        while (count--) outl (*p++, port);
 }
 
+static inline void sync(void)
+{
+}
+
+/*
+ * 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 *)paddr;
+}
+
+/*
+ * Take down a mapping set up by map_physmem().
+ */
+static inline void unmap_physmem(void *vaddr, unsigned long flags)
+{
+
+}
+
+static inline phys_addr_t virt_to_phys(void * vaddr)
+{
+       return (phys_addr_t)(vaddr);
+}
+
 #endif /* __ASM_NIOS_IO_H_ */