1 files changed, 132 insertions, 37 deletions

diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 026dd659a640..7dab7b23a5ec 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -22,6 +22,7 @@
  * for old compat code for I/O offseting to SuperIOs, all of which are
  * better handled through the machvec ioport mapping routines these days.
  */
+#include <linux/errno.h>
 #include <asm/cache.h>
 #include <asm/system.h>
 #include <asm/addrspace.h>
@@ -79,16 +80,51 @@
 #define writel(v,a)             ({ __raw_writel((v),(a)); mb(); })
 #define writeq(v,a)             ({ __raw_writeq((v),(a)); mb(); })
 
-/* SuperH on-chip I/O functions */
-#define ctrl_inb                __raw_readb
-#define ctrl_inw                __raw_readw
-#define ctrl_inl                __raw_readl
-#define ctrl_inq                __raw_readq
+/*
+ * Legacy SuperH on-chip I/O functions
+ *
+ * These are all deprecated, all new (and especially cross-platform) code
+ * should be using the __raw_xxx() routines directly.
+ */
+static inline u8 __deprecated ctrl_inb(unsigned long addr)
+{
+        return __raw_readb(addr);
+}
+
+static inline u16 __deprecated ctrl_inw(unsigned long addr)
+{
+        return __raw_readw(addr);
+}
+
+static inline u32 __deprecated ctrl_inl(unsigned long addr)
+{
+        return __raw_readl(addr);
+}
+
+static inline u64 __deprecated ctrl_inq(unsigned long addr)
+{
+        return __raw_readq(addr);
+}
+
+static inline void __deprecated ctrl_outb(u8 v, unsigned long addr)
+{
+        __raw_writeb(v, addr);
+}
+
+static inline void __deprecated ctrl_outw(u16 v, unsigned long addr)
+{
+        __raw_writew(v, addr);
+}
 
-#define ctrl_outb               __raw_writeb
-#define ctrl_outw               __raw_writew
-#define ctrl_outl               __raw_writel
-#define ctrl_outq               __raw_writeq
+static inline void __deprecated ctrl_outl(u32 v, unsigned long addr)
+{
+        __raw_writel(v, addr);
+}
+
+static inline void __deprecated ctrl_outq(u64 v, unsigned long addr)
+{
+        __raw_writeq(v, addr);
+}
 
 extern unsigned long generic_io_base;
 
@@ -97,6 +133,28 @@ static inline void ctrl_delay(void)
         __raw_readw(generic_io_base);
 }
 
+#define __BUILD_UNCACHED_IO(bwlq, type)                                 \
+static inline type read##bwlq##_uncached(unsigned long addr)            \
+{                                                                       \
+        type ret;                                                       \
+        jump_to_uncached();                                             \
+        ret = __raw_read##bwlq(addr);                                   \
+        back_to_cached();                                               \
+        return ret;                                                     \
+}                                                                       \
+                                                                        \
+static inline void write##bwlq##_uncached(type v, unsigned long addr)   \
+{                                                                       \
+        jump_to_uncached();                                             \
+        __raw_write##bwlq(v, addr);                                     \
+        back_to_cached();                                               \
+}
+
+__BUILD_UNCACHED_IO(b, u8)
+__BUILD_UNCACHED_IO(w, u16)
+__BUILD_UNCACHED_IO(l, u32)
+__BUILD_UNCACHED_IO(q, u64)
+
 #define __BUILD_MEMORY_STRING(bwlq, type)                               \
                                                                         \
 static inline void __raw_writes##bwlq(volatile void __iomem *mem,       \
@@ -234,28 +292,21 @@ unsigned long long poke_real_address_q(unsigned long long addr,
  */
 #ifdef CONFIG_MMU
 void __iomem *__ioremap_caller(unsigned long offset, unsigned long size,
-                               unsigned long flags, void *caller);
+                               pgprot_t prot, void *caller);
 void __iounmap(void __iomem *addr);
 
 static inline void __iomem *
-__ioremap(unsigned long offset, unsigned long size, unsigned long flags)
+__ioremap(unsigned long offset, unsigned long size, pgprot_t prot)
 {
-        return __ioremap_caller(offset, size, flags, __builtin_return_address(0));
+        return __ioremap_caller(offset, size, prot, __builtin_return_address(0));
 }
 
 static inline void __iomem *
-__ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags)
+__ioremap_29bit(unsigned long offset, unsigned long size, pgprot_t prot)
 {
-#if defined(CONFIG_SUPERH32) && !defined(CONFIG_PMB_FIXED) && !defined(CONFIG_PMB)
+#ifdef CONFIG_29BIT
         unsigned long last_addr = offset + size - 1;
-#endif
-        void __iomem *ret;
 
-        ret = __ioremap_trapped(offset, size);
-        if (ret)
-                return ret;
-
-#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.
@@ -263,7 +314,7 @@ __ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags)
          * mapping must be done by the PMB or by using page tables.
          */
         if (likely(PXSEG(offset) < P3SEG && PXSEG(last_addr) < P3SEG)) {
-                if (unlikely(flags & _PAGE_CACHABLE))
+                if (unlikely(pgprot_val(prot) & _PAGE_CACHABLE))
                         return (void __iomem *)P1SEGADDR(offset);
 
                 return (void __iomem *)P2SEGADDR(offset);
@@ -274,26 +325,70 @@ __ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags)
                 return (void __iomem *)P4SEGADDR(offset);
 #endif
 
-        return __ioremap(offset, size, flags);
+        return NULL;
+}
+
+static inline void __iomem *
+__ioremap_mode(unsigned long offset, unsigned long size, pgprot_t prot)
+{
+        void __iomem *ret;
+
+        ret = __ioremap_trapped(offset, size);
+        if (ret)
+                return ret;
+
+        ret = __ioremap_29bit(offset, size, prot);
+        if (ret)
+                return ret;
+
+        return __ioremap(offset, size, prot);
 }
 #else
-#define __ioremap(offset, size, flags)          ((void __iomem *)(offset))
-#define __ioremap_mode(offset, size, flags)     ((void __iomem *)(offset))
+#define __ioremap(offset, size, prot)           ((void __iomem *)(offset))
+#define __ioremap_mode(offset, size, prot)      ((void __iomem *)(offset))
 #define __iounmap(addr)                         do { } while (0)
 #endif /* CONFIG_MMU */
 
-#define ioremap(offset, size)                           \
-        __ioremap_mode((offset), (size), 0)
-#define ioremap_nocache(offset, size)                   \
-        __ioremap_mode((offset), (size), 0)
-#define ioremap_cache(offset, size)                     \
-        __ioremap_mode((offset), (size), _PAGE_CACHABLE)
-#define p3_ioremap(offset, size, flags)                 \
-        __ioremap((offset), (size), (flags))
-#define ioremap_prot(offset, size, flags)               \
-        __ioremap_mode((offset), (size), (flags))
-#define iounmap(addr)                                   \
-        __iounmap((addr))
+static inline void __iomem *
+ioremap(unsigned long offset, unsigned long size)
+{
+        return __ioremap_mode(offset, size, PAGE_KERNEL_NOCACHE);
+}
+
+static inline void __iomem *
+ioremap_cache(unsigned long offset, unsigned long size)
+{
+        return __ioremap_mode(offset, size, PAGE_KERNEL);
+}
+
+#ifdef CONFIG_HAVE_IOREMAP_PROT
+static inline void __iomem *
+ioremap_prot(resource_size_t offset, unsigned long size, unsigned long flags)
+{
+        return __ioremap_mode(offset, size, __pgprot(flags));
+}
+#endif
+
+#ifdef CONFIG_IOREMAP_FIXED
+extern void __iomem *ioremap_fixed(resource_size_t, unsigned long,
+                                   unsigned long, pgprot_t);
+extern int iounmap_fixed(void __iomem *);
+extern void ioremap_fixed_init(void);
+#else
+static inline void __iomem *
+ioremap_fixed(resource_size_t phys_addr, unsigned long offset,
+              unsigned long size, pgprot_t prot)
+{
+        BUG();
+        return NULL;
+}
+
+static inline void ioremap_fixed_init(void) { }
+static inline int iounmap_fixed(void __iomem *addr) { return -EINVAL; }
+#endif
+
+#define ioremap_nocache ioremap
+#define iounmap         __iounmap
 
 #define maybebadio(port) \
         printk(KERN_ERR "bad PC-like io %s:%u for port 0x%lx at 0x%08x\n", \