8 files changed, 54 insertions, 34 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 0e318c905ee..1eef24d04bb 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -9,7 +9,7 @@ config SUPERH
         def_bool y
         select EMBEDDED
         select HAVE_CLK
-        select HAVE_IDE
+        select HAVE_IDE if HAS_IOPORT
         select HAVE_LMB
         select HAVE_OPROFILE
         select HAVE_GENERIC_DMA_COHERENT
@@ -174,6 +174,9 @@ config ARCH_HAS_DEFAULT_IDLE
 config ARCH_HAS_CPU_IDLE_WAIT
         def_bool y
 
+config NO_IOPORT
+        bool
+
 config IO_TRAPPED
         bool
 
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index f689554e17c..b237d525d59 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -39,6 +39,8 @@
 #include <asm/io_generic.h>
 #include <asm/io_trapped.h>
 
+#ifdef CONFIG_HAS_IOPORT
+
 #define inb(p)                  sh_mv.mv_inb((p))
 #define inw(p)                  sh_mv.mv_inw((p))
 #define inl(p)                  sh_mv.mv_inl((p))
@@ -60,6 +62,8 @@
 #define outsw(p,b,c)            sh_mv.mv_outsw((p), (b), (c))
 #define outsl(p,b,c)            sh_mv.mv_outsl((p), (b), (c))
 
+#endif
+
 #define __raw_writeb(v,a)       (__chk_io_ptr(a), *(volatile u8  __force *)(a) = (v))
 #define __raw_writew(v,a)       (__chk_io_ptr(a), *(volatile u16 __force *)(a) = (v))
 #define __raw_writel(v,a)       (__chk_io_ptr(a), *(volatile u32 __force *)(a) = (v))
@@ -240,6 +244,8 @@ __BUILD_MEMORY_STRING(q, u64)
 
 #define IO_SPACE_LIMIT 0xffffffff
 
+#ifdef CONFIG_HAS_IOPORT
+
 /*
  * This function provides a method for the generic case where a
  * board-specific ioport_map simply needs to return the port + some
@@ -255,6 +261,8 @@ static inline void __set_io_port_base(unsigned long pbase)
 
 #define __ioport_map(p, n) sh_mv.mv_ioport_map((p), (n))
 
+#endif
+
 /* We really want to try and get these to memcpy etc */
 void memcpy_fromio(void *, const volatile void __iomem *, unsigned long);
 void memcpy_toio(volatile void __iomem *, const void *, unsigned long);
diff --git a/arch/sh/include/asm/machvec.h b/arch/sh/include/asm/machvec.h
index bc0218cb72e..a0b0cf79cf8 100644
--- a/arch/sh/include/asm/machvec.h
+++ b/arch/sh/include/asm/machvec.h
@@ -19,6 +19,10 @@ struct sh_machine_vector {
         const char *mv_name;
         int mv_nr_irqs;
 
+        int (*mv_irq_demux)(int irq);
+        void (*mv_init_irq)(void);
+
+#ifdef CONFIG_HAS_IOPORT
         u8 (*mv_inb)(unsigned long);
         u16 (*mv_inw)(unsigned long);
         u32 (*mv_inl)(unsigned long);
@@ -40,12 +44,9 @@ struct sh_machine_vector {
         void (*mv_outsw)(unsigned long, const void *src, unsigned long count);
         void (*mv_outsl)(unsigned long, const void *src, unsigned long count);
 
-        int (*mv_irq_demux)(int irq);
-
-        void (*mv_init_irq)(void);
-
         void __iomem *(*mv_ioport_map)(unsigned long port, unsigned int size);
         void (*mv_ioport_unmap)(void __iomem *);
+#endif
 
         int (*mv_clk_init)(void);
         int (*mv_mode_pins)(void);
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index 650b92f00ee..e25f3c69525 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -12,7 +12,7 @@ endif
 CFLAGS_REMOVE_return_address.o = -pg
 
 obj-y   := clkdev.o debugtraps.o dma-nommu.o dumpstack.o                \
-           idle.o io.o io_generic.o irq.o                               \
+           idle.o io.o irq.o                                            \
            irq_$(BITS).o machvec.o nmi_debug.o process.o                \
            process_$(BITS).o ptrace_$(BITS).o                           \
            reboot.o return_address.o                                    \
@@ -39,6 +39,7 @@ obj-$(CONFIG_DUMP_CODE)		+= disassemble.o
 obj-$(CONFIG_HIBERNATION)       += swsusp.o
 obj-$(CONFIG_DWARF_UNWINDER)    += dwarf.o
 obj-$(CONFIG_PERF_EVENTS)       += perf_event.o perf_callchain.o
+obj-$(CONFIG_HAS_IOPORT)        += io_generic.o
 
 obj-$(CONFIG_HAVE_HW_BREAKPOINT)                += hw_breakpoint.o
 obj-$(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)     += localtimer.o
diff --git a/arch/sh/kernel/io.c b/arch/sh/kernel/io.c
index 4770c241c67..5c51b794ba2 100644
--- a/arch/sh/kernel/io.c
+++ b/arch/sh/kernel/io.c
@@ -112,25 +112,3 @@ void memset_io(volatile void __iomem *dst, int c, unsigned long count)
         }
 }
 EXPORT_SYMBOL(memset_io);
-
-#ifndef CONFIG_GENERIC_IOMAP
-
-void __iomem *ioport_map(unsigned long port, unsigned int nr)
-{
-        void __iomem *ret;
-
-        ret = __ioport_map_trapped(port, nr);
-        if (ret)
-                return ret;
-
-        return __ioport_map(port, nr);
-}
-EXPORT_SYMBOL(ioport_map);
-
-void ioport_unmap(void __iomem *addr)
-{
-        sh_mv.mv_ioport_unmap(addr);
-}
-EXPORT_SYMBOL(ioport_unmap);
-
-#endif /* CONFIG_GENERIC_IOMAP */
diff --git a/arch/sh/kernel/io_generic.c b/arch/sh/kernel/io_generic.c
index e1e1dbd1955..447d78f666f 100644
--- a/arch/sh/kernel/io_generic.c
+++ b/arch/sh/kernel/io_generic.c
@@ -158,3 +158,23 @@ void __iomem *generic_ioport_map(unsigned long addr, unsigned int size)
 void generic_ioport_unmap(void __iomem *addr)
 {
 }
+
+#ifndef CONFIG_GENERIC_IOMAP
+void __iomem *ioport_map(unsigned long port, unsigned int nr)
+{
+        void __iomem *ret;
+
+        ret = __ioport_map_trapped(port, nr);
+        if (ret)
+                return ret;
+
+        return __ioport_map(port, nr);
+}
+EXPORT_SYMBOL(ioport_map);
+
+void ioport_unmap(void __iomem *addr)
+{
+        sh_mv.mv_ioport_unmap(addr);
+}
+EXPORT_SYMBOL(ioport_unmap);
+#endif /* CONFIG_GENERIC_IOMAP */
diff --git a/arch/sh/kernel/io_trapped.c b/arch/sh/kernel/io_trapped.c
index 4a8bb4eeb8a..2947d2bd129 100644
--- a/arch/sh/kernel/io_trapped.c
+++ b/arch/sh/kernel/io_trapped.c
@@ -91,10 +91,14 @@ int register_trapped_io(struct trapped_io *tiop)
         tiop->magic = IO_TRAPPED_MAGIC;
         INIT_LIST_HEAD(&tiop->list);
         spin_lock_irq(&trapped_lock);
+#ifdef CONFIG_HAS_IOPORT
         if (flags & IORESOURCE_IO)
                 list_add(&tiop->list, &trapped_io);
+#endif
+#ifdef CONFIG_HAS_IOMEM
         if (flags & IORESOURCE_MEM)
                 list_add(&tiop->list, &trapped_mem);
+#endif
         spin_unlock_irq(&trapped_lock);
 
         return 0;
diff --git a/arch/sh/kernel/machvec.c b/arch/sh/kernel/machvec.c
index 85cfaf916fd..9f9bb63616a 100644
--- a/arch/sh/kernel/machvec.c
+++ b/arch/sh/kernel/machvec.c
@@ -118,6 +118,14 @@ void __init sh_mv_setup(void)
                 sh_mv.mv_##elem = generic_##elem; \
 } while (0)
 
+#ifdef CONFIG_HAS_IOPORT
+
+#ifdef P2SEG
+        __set_io_port_base(P2SEG);
+#else
+        __set_io_port_base(0);
+#endif
+
         mv_set(inb);    mv_set(inw);    mv_set(inl);
         mv_set(outb);   mv_set(outw);   mv_set(outl);
 
@@ -129,16 +137,13 @@ void __init sh_mv_setup(void)
 
         mv_set(ioport_map);
         mv_set(ioport_unmap);
+
+#endif
+
         mv_set(irq_demux);
         mv_set(mode_pins);
         mv_set(mem_init);
 
         if (!sh_mv.mv_nr_irqs)
                 sh_mv.mv_nr_irqs = NR_IRQS;
-
-#ifdef P2SEG
-        __set_io_port_base(P2SEG);
-#else
-        __set_io_port_base(0);
-#endif
 }