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authorPaul Mundt <lethal@linux-sh.org>2009-11-12 02:36:26 -0500
committerPaul Mundt <lethal@linux-sh.org>2009-11-12 02:36:26 -0500
commite9c58fc57b17bfa75c256fb4f45ce22de6626858 (patch)
tree0617f394e34af76156a8b1c10435b6cb5753c8fe /arch/sh
parentc4e708dc52b0e68d81a322ad11b280374685956e (diff)
sh: Use the generic I/O port base for slowdown.
This fixes up the build and behaviour for various configurations. Namely the CONFIG_32BIT cases where legacy mappings do not exist, as well as the sh64 build. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/include/asm/io.h12
-rw-r--r--arch/sh/kernel/io_generic.c4
-rw-r--r--arch/sh/kernel/machvec.c4
3 files changed, 10 insertions, 10 deletions
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 0cf2a5708e26..512cd3e9d0ca 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -90,15 +90,11 @@
90#define ctrl_outl __raw_writel 90#define ctrl_outl __raw_writel
91#define ctrl_outq __raw_writeq 91#define ctrl_outq __raw_writeq
92 92
93extern unsigned long generic_io_base;
94
93static inline void ctrl_delay(void) 95static inline void ctrl_delay(void)
94{ 96{
95#ifdef CONFIG_CPU_SH4 97 __raw_readw(generic_io_base);
96 __raw_readw(CCN_PVR);
97#elif defined(P2SEG)
98 __raw_readw(P2SEG);
99#else
100#error "Need a dummy address for delay"
101#endif
102} 98}
103 99
104#define __BUILD_MEMORY_STRING(bwlq, type) \ 100#define __BUILD_MEMORY_STRING(bwlq, type) \
@@ -186,8 +182,6 @@ __BUILD_MEMORY_STRING(q, u64)
186 182
187#define IO_SPACE_LIMIT 0xffffffff 183#define IO_SPACE_LIMIT 0xffffffff
188 184
189extern unsigned long generic_io_base;
190
191/* 185/*
192 * This function provides a method for the generic case where a 186 * This function provides a method for the generic case where a
193 * board-specific ioport_map simply needs to return the port + some 187 * board-specific ioport_map simply needs to return the port + some
diff --git a/arch/sh/kernel/io_generic.c b/arch/sh/kernel/io_generic.c
index b8fa6524760a..e1e1dbd19557 100644
--- a/arch/sh/kernel/io_generic.c
+++ b/arch/sh/kernel/io_generic.c
@@ -24,7 +24,7 @@
24#define dummy_read() 24#define dummy_read()
25#endif 25#endif
26 26
27unsigned long generic_io_base; 27unsigned long generic_io_base = 0;
28 28
29u8 generic_inb(unsigned long port) 29u8 generic_inb(unsigned long port)
30{ 30{
@@ -147,8 +147,10 @@ void generic_outsl(unsigned long port, const void *src, unsigned long count)
147 147
148void __iomem *generic_ioport_map(unsigned long addr, unsigned int size) 148void __iomem *generic_ioport_map(unsigned long addr, unsigned int size)
149{ 149{
150#ifdef P1SEG
150 if (PXSEG(addr) >= P1SEG) 151 if (PXSEG(addr) >= P1SEG)
151 return (void __iomem *)addr; 152 return (void __iomem *)addr;
153#endif
152 154
153 return (void __iomem *)(addr + generic_io_base); 155 return (void __iomem *)(addr + generic_io_base);
154} 156}
diff --git a/arch/sh/kernel/machvec.c b/arch/sh/kernel/machvec.c
index cbce639b108a..1652340ba3f2 100644
--- a/arch/sh/kernel/machvec.c
+++ b/arch/sh/kernel/machvec.c
@@ -135,5 +135,9 @@ void __init sh_mv_setup(void)
135 if (!sh_mv.mv_nr_irqs) 135 if (!sh_mv.mv_nr_irqs)
136 sh_mv.mv_nr_irqs = NR_IRQS; 136 sh_mv.mv_nr_irqs = NR_IRQS;
137 137
138#ifdef P2SEG
138 __set_io_port_base(P2SEG); 139 __set_io_port_base(P2SEG);
140#else
141 __set_io_port_base(0);
142#endif
139} 143}