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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2007-03-03 12:51:31 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-04-21 21:34:37 +0200 |
| commit | 27350afdfc94a78adbdee20bb00f6058a0ef1eab (patch) | |
| tree | b5f9019f4c6729cb6935f3cad43fb0ad2b899ed2 | |
| parent | [ARM] Add ability to dump exception stacks to kernel backtraces (diff) | |
| download | linux-27350afdfc94a78adbdee20bb00f6058a0ef1eab.tar.xz linux-27350afdfc94a78adbdee20bb00f6058a0ef1eab.zip | |
[ARM] EBSA110: Add readsw/readsl/writesw/writesl
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/mach-ebsa110/io.c | 40 | ||||
| -rw-r--r-- | include/asm-arm/arch-ebsa110/io.h | 8 |
2 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/mach-ebsa110/io.c b/arch/arm/mach-ebsa110/io.c index db38afb2aa88..bbf0d332407e 100644 --- a/arch/arm/mach-ebsa110/io.c +++ b/arch/arm/mach-ebsa110/io.c @@ -102,6 +102,26 @@ EXPORT_SYMBOL(__readb); EXPORT_SYMBOL(__readw); EXPORT_SYMBOL(__readl); +void readsw(void __iomem *addr, void *data, int len) +{ + void __iomem *a = __isamem_convert_addr(addr); + + BUG_ON((unsigned long)addr & 1); + + __raw_readsw(a, data, len); +} +EXPORT_SYMBOL(readsw); + +void readsl(void __iomem *addr, void *data, int len) +{ + void __iomem *a = __isamem_convert_addr(addr); + + BUG_ON((unsigned long)addr & 3); + + __raw_readsl(a, data, len); +} +EXPORT_SYMBOL(readsl); + void __writeb(u8 val, void __iomem *addr) { void __iomem *a = __isamem_convert_addr(addr); @@ -137,6 +157,26 @@ EXPORT_SYMBOL(__writeb); EXPORT_SYMBOL(__writew); EXPORT_SYMBOL(__writel); +void writesw(void __iomem *addr, void *data, int len) +{ + void __iomem *a = __isamem_convert_addr(addr); + + BUG_ON((unsigned long)addr & 1); + + __raw_writesw(a, data, len); +} +EXPORT_SYMBOL(writesw); + +void writesl(void __iomem *addr, void *data, int len) +{ + void __iomem *a = __isamem_convert_addr(addr); + + BUG_ON((unsigned long)addr & 3); + + __raw_writesl(a, data, len); +} +EXPORT_SYMBOL(writesl); + #define SUPERIO_PORT(p) \ (((p) >> 3) == (0x3f8 >> 3) || \ ((p) >> 3) == (0x2f8 >> 3) || \ diff --git a/include/asm-arm/arch-ebsa110/io.h b/include/asm-arm/arch-ebsa110/io.h index 722c5e086285..44a4001de807 100644 --- a/include/asm-arm/arch-ebsa110/io.h +++ b/include/asm-arm/arch-ebsa110/io.h @@ -81,4 +81,12 @@ extern void outsb(unsigned int port, const void *buf, int sz); extern void outsw(unsigned int port, const void *buf, int sz); extern void outsl(unsigned int port, const void *buf, int sz); +/* can't support writesb atm */ +extern void writesw(void __iomem *addr, const void *data, int wordlen); +extern void writesl(void __iomem *addr, const void *data, int longlen); + +/* can't support readsb atm */ +extern void readsw(const void __iomem *addr, void *data, int wordlen); +extern void readsl(const void __iomem *addr, void *data, int longlen); + #endif |