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authorIngo Molnar <mingo@elte.hu>2008-10-12 12:43:21 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-12 12:43:21 +0200
commitacbaa41a780490c791492c41144c774c04875af1 (patch)
tree31f1f046875eb071e2aed031e5d9d1584742314f /arch/mips/include/asm/mach-tx39xx/ioremap.h
parent8d89adf44cf750e49691ba5b744b2ad77a05e997 (diff)
parentfd048088306656824958e7783ffcee27e241b361 (diff)
Merge branch 'linus' into x86/quirks
Conflicts: arch/x86/kernel/early-quirks.c
Diffstat (limited to 'arch/mips/include/asm/mach-tx39xx/ioremap.h')
-rw-r--r--arch/mips/include/asm/mach-tx39xx/ioremap.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-tx39xx/ioremap.h b/arch/mips/include/asm/mach-tx39xx/ioremap.h
new file mode 100644
index 00000000000..93c6c04ffda
--- /dev/null
+++ b/arch/mips/include/asm/mach-tx39xx/ioremap.h
@@ -0,0 +1,38 @@
+/*
+ * include/asm-mips/mach-tx39xx/ioremap.h
+ *
+ * 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.
+ */
+#ifndef __ASM_MACH_TX39XX_IOREMAP_H
+#define __ASM_MACH_TX39XX_IOREMAP_H
+
+#include <linux/types.h>
+
+/*
+ * Allow physical addresses to be fixed up to help peripherals located
+ * outside the low 32-bit range -- generic pass-through version.
+ */
+static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size)
+{
+ return phys_addr;
+}
+
+static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size,
+ unsigned long flags)
+{
+#define TXX9_DIRECTMAP_BASE 0xff000000ul
+ if (offset >= TXX9_DIRECTMAP_BASE &&
+ offset < TXX9_DIRECTMAP_BASE + 0xff0000)
+ return (void __iomem *)offset;
+ return NULL;
+}
+
+static inline int plat_iounmap(const volatile void __iomem *addr)
+{
+ return (unsigned long)addr >= TXX9_DIRECTMAP_BASE;
+}
+
+#endif /* __ASM_MACH_TX39XX_IOREMAP_H */