* [PATCH 43/54] Add arch/nios2/include/asm/pfn.h
@ 2011-03-03 22:58 franck.jullien
0 siblings, 0 replies; only message in thread
From: franck.jullien @ 2011-03-03 22:58 UTC (permalink / raw)
To: barebox
From: Franck JULLIEN <franck.jullien@gmail.com>
Add arch/nios2/include/asm/pfn.h
---
arch/nios2/include/asm/pfn.h | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
create mode 100644 arch/nios2/include/asm/pfn.h
diff --git a/arch/nios2/include/asm/pfn.h b/arch/nios2/include/asm/pfn.h
new file mode 100644
index 0000000..7646637
--- /dev/null
+++ b/arch/nios2/include/asm/pfn.h
@@ -0,0 +1,13 @@
+#ifndef _LINUX_PFN_H_
+#define _LINUX_PFN_H_
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+#endif
+
+#define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK)
+#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT)
+#define PFN_DOWN(x) ((x) >> PAGE_SHIFT)
+#define PFN_PHYS(x) ((phys_addr_t)(x) << PAGE_SHIFT)
+
+#endif
--
1.7.3.4
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