Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / mach-realview / include / mach / hardware.h

diff --git a/kernel/arch/arm/mach-realview/include/mach/hardware.h b/kernel/arch/arm/mach-realview/include/mach/hardware.h
new file mode 100644 (file)
index 0000000..281e71c
--- /dev/null
+++ b/kernel/arch/arm/mach-realview/include/mach/hardware.h
@@ -0,0 +1,42 @@
+/*
+ *  arch/arm/mach-realview/include/mach/hardware.h
+ *
+ *  This file contains the hardware definitions of the RealView boards.
+ *
+ *  Copyright (C) 2003 ARM Limited.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#include <asm/sizes.h>
+
+/* macro to get at IO space when running virtually */
+#ifdef CONFIG_MMU
+/*
+ * Statically mapped addresses:
+ *
+ * 10xx xxxx -> fbxx xxxx
+ * 1exx xxxx -> fdxx xxxx
+ * 1fxx xxxx -> fexx xxxx
+ */
+#define IO_ADDRESS(x)          (((x) & 0x03ffffff) + 0xfb000000)
+#else
+#define IO_ADDRESS(x)          (x)
+#endif
+#define __io_address(n)                IOMEM(IO_ADDRESS(n))
+
+#endif