Merge branch 'sh/iomap'

9 files changed, 57 insertions, 34 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 22d25113d76..573fca1fbd9 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/boards/Kconfig b/arch/sh/boards/Kconfig
index 938e87d5148..07b35ca2f64 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -154,6 +154,7 @@ config SH_SDK7786
 	bool "SDK7786"
 	depends on CPU_SUBTYPE_SH7786
 	select SYS_SUPPORTS_PCI
+	select NO_IOPORT if !PCI
 	help
 	  Select SDK7786 if configuring for a Renesas Technology Europe
 	  SH7786-65nm board.
@@ -190,6 +191,7 @@ config SH_URQUELL
 	depends on CPU_SUBTYPE_SH7786
 	select ARCH_REQUIRE_GPIOLIB
 	select SYS_SUPPORTS_PCI
+	select NO_IOPORT if !PCI
 
 config SH_MIGOR
 	bool "Migo-R"
@@ -286,6 +288,7 @@ config SH_LBOX_RE2
 config SH_X3PROTO
 	bool "SH-X3 Prototype board"
 	depends on CPU_SUBTYPE_SHX3
+	select NO_IOPORT if !PCI
 
 config SH_MAGIC_PANEL_R2
 	bool "Magic Panel R2"
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
 }