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Diffstat (limited to 'arch/sh/include/asm/io.h')
-rw-r--r--arch/sh/include/asm/io.h27
1 files changed, 14 insertions, 13 deletions
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 5be45ea4dfec..026dd659a640 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -90,15 +90,11 @@
#define ctrl_outl __raw_writel
#define ctrl_outq __raw_writeq
+extern unsigned long generic_io_base;
+
static inline void ctrl_delay(void)
{
-#ifdef CONFIG_CPU_SH4
- __raw_readw(CCN_PVR);
-#elif defined(P2SEG)
- __raw_readw(P2SEG);
-#else
-#error "Need a dummy address for delay"
-#endif
+ __raw_readw(generic_io_base);
}
#define __BUILD_MEMORY_STRING(bwlq, type) \
@@ -186,8 +182,6 @@ __BUILD_MEMORY_STRING(q, u64)
#define IO_SPACE_LIMIT 0xffffffff
-extern unsigned long generic_io_base;
-
/*
* This function provides a method for the generic case where a
* board-specific ioport_map simply needs to return the port + some
@@ -239,14 +233,20 @@ unsigned long long poke_real_address_q(unsigned long long addr,
* doesn't exist, so everything must go through page tables.
*/
#ifdef CONFIG_MMU
-void __iomem *__ioremap(unsigned long offset, unsigned long size,
- unsigned long flags);
+void __iomem *__ioremap_caller(unsigned long offset, unsigned long size,
+ unsigned long flags, void *caller);
void __iounmap(void __iomem *addr);
static inline void __iomem *
+__ioremap(unsigned long offset, unsigned long size, unsigned long flags)
+{
+ return __ioremap_caller(offset, size, flags, __builtin_return_address(0));
+}
+
+static inline void __iomem *
__ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags)
{
-#if defined(CONFIG_SUPERH32) && !defined(CONFIG_PMB_FIXED)
+#if defined(CONFIG_SUPERH32) && !defined(CONFIG_PMB_FIXED) && !defined(CONFIG_PMB)
unsigned long last_addr = offset + size - 1;
#endif
void __iomem *ret;
@@ -255,7 +255,7 @@ __ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags)
if (ret)
return ret;
-#if defined(CONFIG_SUPERH32) && !defined(CONFIG_PMB_FIXED)
+#if defined(CONFIG_SUPERH32) && !defined(CONFIG_PMB_FIXED) && !defined(CONFIG_PMB)
/*
* For P1 and P2 space this is trivial, as everything is already
* mapped. Uncached access for P1 addresses are done through P2.
@@ -277,6 +277,7 @@ __ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags)
return __ioremap(offset, size, flags);
}
#else
+#define __ioremap(offset, size, flags) ((void __iomem *)(offset))
#define __ioremap_mode(offset, size, flags) ((void __iomem *)(offset))
#define __iounmap(addr) do { } while (0)
#endif /* CONFIG_MMU */