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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-12 14:53:08 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-13 16:33:19 +0000 |
| commit | c7baab5d1e97437a2fca63b71d467f193dbebb02 (patch) | |
| tree | 227c8a1ffb2465035c1fd4466301d1bf5617892a /arch/arm/mach-footbridge/common.c | |
| parent | 0d782dc430d94dc36b47cb11c2e33ecb1bb38234 (diff) | |
| download | talos-obmc-linux-c7baab5d1e97437a2fca63b71d467f193dbebb02.tar.gz talos-obmc-linux-c7baab5d1e97437a2fca63b71d467f193dbebb02.zip | |
ARM: fix clps711x, footbridge, integrator, ixp2000, ixp2300 and s3c build bug
Anders Grafström reports that footbridge fails to build after 1c4a4f4.
Fix this by adding the necessary definitions for __pfn_to_bus and
__bus_to_pfn.
Reported-by: Anders Grafström <anders.grafstrom@netinsight.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-footbridge/common.c')
| -rw-r--r-- | arch/arm/mach-footbridge/common.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/arch/arm/mach-footbridge/common.c b/arch/arm/mach-footbridge/common.c index b97f529e58e8..41febc796b1c 100644 --- a/arch/arm/mach-footbridge/common.c +++ b/arch/arm/mach-footbridge/common.c @@ -201,6 +201,11 @@ void __init footbridge_map_io(void) #ifdef CONFIG_FOOTBRIDGE_ADDIN +static inline unsigned long fb_bus_sdram_offset(void) +{ + return *CSR_PCISDRAMBASE & 0xfffffff0; +} + /* * These two functions convert virtual addresses to PCI addresses and PCI * addresses to virtual addresses. Note that it is only legal to use these @@ -210,14 +215,13 @@ unsigned long __virt_to_bus(unsigned long res) { WARN_ON(res < PAGE_OFFSET || res >= (unsigned long)high_memory); - return (res - PAGE_OFFSET) + (*CSR_PCISDRAMBASE & 0xfffffff0); + return res + (fb_bus_sdram_offset() - PAGE_OFFSET); } EXPORT_SYMBOL(__virt_to_bus); unsigned long __bus_to_virt(unsigned long res) { - res -= (*CSR_PCISDRAMBASE & 0xfffffff0); - res += PAGE_OFFSET; + res = res - (fb_bus_sdram_offset() - PAGE_OFFSET); WARN_ON(res < PAGE_OFFSET || res >= (unsigned long)high_memory); @@ -225,4 +229,16 @@ unsigned long __bus_to_virt(unsigned long res) } EXPORT_SYMBOL(__bus_to_virt); +unsigned long __pfn_to_bus(unsigned long pfn) +{ + return __pfn_to_phys(pfn) + (fb_bus_sdram_offset() - PHYS_OFFSET)); +} +EXPORT_SYMBOL(__pfn_to_bus); + +unsigned long __bus_to_pfn(unsigned long bus) +{ + return __phys_to_pfn(bus - (fb_bus_sdram_offset() - PHYS_OFFSET)); +} +EXPORT_SYMBOL(__bus_to_pfn); + #endif |
