In case of PCIe we need to have a different __io macro, which can write
into PCIe address space.
Signed-off-by: Pratyush Anand <pratyush.anand@xxxxxx>
---
arch/arm/mach-spear13xx/include/mach/io.h | 35 +++++++++++++++++++++++++++++
1 files changed, 35 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-spear13xx/include/mach/io.h
diff --git a/arch/arm/mach-spear13xx/include/mach/io.h b/arch/arm/mach-spear13xx/include/mach/io.h
new file mode 100644
index 0000000..a0d93ca
--- /dev/null
+++ b/arch/arm/mach-spear13xx/include/mach/io.h
@@ -0,0 +1,35 @@
+/*
+ * arch/arm/mach-spear13xx/include/mach/io.h
+ *
+ * spear13xx machine family generic header file
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Pratyush Anand <pratyush.anand@xxxxxx>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __MACH_IO_H
+#define __MACH_IO_H
+
+#define IO_SPACE_LIMIT 0xFFFF
+
+#ifdef CONFIG_SPEAR13XX_PCI
+extern void __iomem *spear13xx_pcie_io_base(unsigned long addr);
+
+static inline void __iomem *__io(unsigned long addr)
+{
+ return spear13xx_pcie_io_base(addr) + (addr & IO_SPACE_LIMIT);
+}
+#else
+static inline void __iomem *__io(unsigned long addr)
+{
+ return (void __iomem *)addr;
+}
+#endif
+
+#define __io(a) __io(a)
+
+#endif /* __MACH_IO_H */
--
1.7.5.4
--
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