patch-2.1.106 linux/include/asm-arm/arch-ebsa285/io.h

Next file: linux/include/asm-arm/arch-ebsa285/processor.h
Previous file: linux/include/asm-arm/arch-ebsa110/mmap.h
Back to the patch index
Back to the overall index

diff -u --recursive --new-file v2.1.105/linux/include/asm-arm/arch-ebsa285/io.h linux/include/asm-arm/arch-ebsa285/io.h
@@ -140,4 +140,26 @@
 #define inl_t(p)								\
 	(*(volatile unsigned long *)(p))
 
+/*
+ * This is not sufficient... (and it's a hack anyway)
+ */
+static inline void writeb(unsigned char b, unsigned int addr)
+{
+	*(volatile unsigned char *)(0xe0000000 + (addr)) = b;
+}
+
+static inline unsigned char readb(unsigned int addr)
+{
+	return *(volatile unsigned char *)(0xe0000000 + (addr));
+}
+
+static inline void writew(unsigned short b, unsigned int addr)
+{
+	*(volatile unsigned short *)(0xe0000000 + (addr)) = b;
+}
+
+static inline unsigned short readw(unsigned int addr)
+{
+	return *(volatile unsigned short *)(0xe0000000 + (addr));
+}
 #endif

FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov