RealView: Make more vmalloc space by changing IO_ADDRESS

[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-realview / include / mach / hardware.h

diff --git a/arch/arm/mach-realview/include/mach/hardware.h b/arch/arm/mach-realview/include/mach/hardware.h
index 79a93b3dfca935cbc1f4c0c8a960ce95e6c12a9a..b42c14f89acb4aa0fbce4fc5c9bbfdd2d498b561 100644 (file)
--- a/arch/arm/mach-realview/include/mach/hardware.h
+++ b/arch/arm/mach-realview/include/mach/hardware.h
@@ -25,7 +25,14 @@
 #include <asm/sizes.h>
 
 /* macro to get at IO space when running virtually */
-#define IO_ADDRESS(x)          (((x) & 0x0fffffff) + 0xf0000000)
+/*
+ * Statically mapped addresses:
+ *
+ * 10xx xxxx -> fbxx xxxx
+ * 1exx xxxx -> fdxx xxxx
+ * 1fxx xxxx -> fexx xxxx
+ */
+#define IO_ADDRESS(x)          (((x) & 0x03ffffff) + 0xfb000000)
 #define __io_address(n)                __io(IO_ADDRESS(n))
 
 #endif