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authorDavid Woodhouse <David.Woodhouse@intel.com>2012-10-09 18:03:21 +0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-10-09 18:04:25 +0400
commitffe315012510165ce82e4dd4767f0a5dba9edbf7 (patch)
treef601cd980af9d0ced5ca9aedecef4fa0d2ca0e15 /arch/microblaze/include/asm/io.h
parente2d3a35ee427aaba99b6c68a56609ce276c51270 (diff)
parent4a8e43feeac7996b8de2d5b2823e316917493df4 (diff)
downloadlinux-ffe315012510165ce82e4dd4767f0a5dba9edbf7.tar.xz
Merge tag 'disintegrate-mtd-20121009' of git://git.infradead.org/users/dhowells/linux-headers
UAPI Disintegration 2012-10-09 Conflicts: MAINTAINERS arch/arm/configs/bcmring_defconfig arch/arm/mach-imx/clk-imx51-imx53.c drivers/mtd/nand/Kconfig drivers/mtd/nand/bcm_umi_nand.c drivers/mtd/nand/nand_bcm_umi.h drivers/mtd/nand/orion_nand.c
Diffstat (limited to 'arch/microblaze/include/asm/io.h')
-rw-r--r--arch/microblaze/include/asm/io.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
index 8cdac14b55b0..4fbfdc1ac7f8 100644
--- a/arch/microblaze/include/asm/io.h
+++ b/arch/microblaze/include/asm/io.h
@@ -35,6 +35,10 @@ extern resource_size_t isa_mem_base;
#define IO_SPACE_LIMIT (0xFFFFFFFF)
+/* the following is needed to support PCI with some drivers */
+
+#define mmiowb()
+
static inline unsigned char __raw_readb(const volatile void __iomem *addr)
{
return *(volatile unsigned char __force *)addr;
@@ -248,4 +252,94 @@ static inline void __iomem *__ioremap(phys_addr_t address, unsigned long size,
#define ioport_map(port, nr) ((void __iomem *)(port))
#define ioport_unmap(addr)
+/* from asm-generic/io.h */
+#ifndef insb
+static inline void insb(unsigned long addr, void *buffer, int count)
+{
+ if (count) {
+ u8 *buf = buffer;
+ do {
+ u8 x = inb(addr);
+ *buf++ = x;
+ } while (--count);
+ }
+}
+#endif
+
+#ifndef insw
+static inline void insw(unsigned long addr, void *buffer, int count)
+{
+ if (count) {
+ u16 *buf = buffer;
+ do {
+ u16 x = inw(addr);
+ *buf++ = x;
+ } while (--count);
+ }
+}
+#endif
+
+#ifndef insl
+static inline void insl(unsigned long addr, void *buffer, int count)
+{
+ if (count) {
+ u32 *buf = buffer;
+ do {
+ u32 x = inl(addr);
+ *buf++ = x;
+ } while (--count);
+ }
+}
+#endif
+
+#ifndef outsb
+static inline void outsb(unsigned long addr, const void *buffer, int count)
+{
+ if (count) {
+ const u8 *buf = buffer;
+ do {
+ outb(*buf++, addr);
+ } while (--count);
+ }
+}
+#endif
+
+#ifndef outsw
+static inline void outsw(unsigned long addr, const void *buffer, int count)
+{
+ if (count) {
+ const u16 *buf = buffer;
+ do {
+ outw(*buf++, addr);
+ } while (--count);
+ }
+}
+#endif
+
+#ifndef outsl
+static inline void outsl(unsigned long addr, const void *buffer, int count)
+{
+ if (count) {
+ const u32 *buf = buffer;
+ do {
+ outl(*buf++, addr);
+ } while (--count);
+ }
+}
+#endif
+
+#define ioread8_rep(p, dst, count) \
+ insb((unsigned long) (p), (dst), (count))
+#define ioread16_rep(p, dst, count) \
+ insw((unsigned long) (p), (dst), (count))
+#define ioread32_rep(p, dst, count) \
+ insl((unsigned long) (p), (dst), (count))
+
+#define iowrite8_rep(p, src, count) \
+ outsb((unsigned long) (p), (src), (count))
+#define iowrite16_rep(p, src, count) \
+ outsw((unsigned long) (p), (src), (count))
+#define iowrite32_rep(p, src, count) \
+ outsl((unsigned long) (p), (src), (count))
+
#endif /* _ASM_MICROBLAZE_IO_H */