unicore32: replace unicore32-specific iomap functions with generic li…

…b implementation 1. define and enable CONFIG_GENERIC_IOMAP 2. define unicore32-specific PCI_IOBASE for asm-generic/io.h 3. define HAVE_ARCH_PIO_SIZE and unicore32-specific PIO_* macros 4. remove all unicore32-specific iomap functions Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-and-Acked-by: Arnd Bergmann <arnd@arndb.de>
git-mirror · Mar 17, 2011 · 4fde87c · 4fde87c
1 parent ce443ab
commit 4fde87c
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Showing 4 changed files with 10 additions and 60 deletions.
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
@@ -30,6 +30,9 @@ config GENERIC_CLOCKEVENTS
 config GENERIC_CSUM
 	def_bool y
 
+config GENERIC_IOMAP
+	def_bool y
+
 config NO_IOPORT
 	bool
 

diff --git a/arch/unicore32/include/asm/io.h b/arch/unicore32/include/asm/io.h
@@ -18,6 +18,7 @@
 #include <asm/memory.h>
 #include <asm/system.h>
 
+#define PCI_IOBASE	io_p2v(PKUNITY_PCILIO_BASE)
 #include <asm-generic/io.h>
 
 /*
@@ -38,15 +39,17 @@ extern void __uc32_iounmap(volatile void __iomem *addr);
 #define ioremap_cached(cookie, size)	__uc32_ioremap_cached(cookie, size)
 #define iounmap(cookie)			__uc32_iounmap(cookie)
 
-extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
-extern void ioport_unmap(void __iomem *addr);
-
 /*
  * Convert a physical pointer to a virtual kernel pointer for /dev/mem
  * access
  */
 #undef xlate_dev_mem_ptr
 #define xlate_dev_mem_ptr(p)	__va(p)
 
+#define HAVE_ARCH_PIO_SIZE
+#define PIO_OFFSET		(unsigned int)(PCI_IOBASE)
+#define PIO_MASK		(unsigned int)(IO_SPACE_LIMIT)
+#define PIO_RESERVED		(PIO_OFFSET + PIO_MASK + 1)
+
 #endif	/* __KERNEL__ */
 #endif	/* __UNICORE_IO_H__ */
diff --git a/arch/unicore32/mm/Makefile b/arch/unicore32/mm/Makefile
@@ -3,7 +3,7 @@
 #
 
 obj-y				:= extable.o fault.o init.o pgd.o mmu.o
-obj-y				+= iomap.o flush.o ioremap.o
+obj-y				+= flush.o ioremap.o
 
 obj-$(CONFIG_SWIOTLB)		+= dma-swiotlb.o
 

diff --git a/arch/unicore32/mm/iomap.c b/arch/unicore32/mm/iomap.c