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| author | Ian Molton <spyro@f2s.com> | 2008-06-25 22:17:16 +0100 |
|---|---|---|
| committer | Ian Molton <spyro@f2s.com> | 2008-07-10 10:28:36 +0100 |
| commit | aa9ae8eb1a917c8794bceef0a8e6ff1f4d7c46de (patch) | |
| tree | d3628cce8f72609640c952f4eeddc19a464a6141 /include/asm-arm | |
| parent | c0b8556f2f8146bd38324b14b1ce00f249ba8ed9 (diff) | |
| download | lwn-aa9ae8eb1a917c8794bceef0a8e6ff1f4d7c46de.tar.gz lwn-aa9ae8eb1a917c8794bceef0a8e6ff1f4d7c46de.zip | |
Fix serial broken-ness on PXA250
PXA255 and 26x are the only PXA CPUs with HWUART. This patch prevents bogus
initialisation on other models.
Signed-off-by: Ian Molton <spyro@f2s.com>
Diffstat (limited to 'include/asm-arm')
| -rw-r--r-- | include/asm-arm/arch-pxa/hardware.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-arm/arch-pxa/hardware.h b/include/asm-arm/arch-pxa/hardware.h index d9af6dabc899..b6a8317c2ec4 100644 --- a/include/asm-arm/arch-pxa/hardware.h +++ b/include/asm-arm/arch-pxa/hardware.h @@ -69,6 +69,12 @@ _id == 0x212; \ }) +#define __cpu_is_pxa255(id) \ + ({ \ + unsigned int _id = (id) >> 4 & 0xfff; \ + _id == 0x2d0; \ + }) + #define __cpu_is_pxa25x(id) \ ({ \ unsigned int _id = (id) >> 4 & 0xfff; \ @@ -76,6 +82,7 @@ }) #else #define __cpu_is_pxa21x(id) (0) +#define __cpu_is_pxa255(id) (0) #define __cpu_is_pxa25x(id) (0) #endif @@ -124,6 +131,11 @@ __cpu_is_pxa21x(read_cpuid_id()); \ }) +#define cpu_is_pxa255() \ + ({ \ + __cpu_is_pxa255(read_cpuid_id()); \ + }) + #define cpu_is_pxa25x() \ ({ \ __cpu_is_pxa25x(read_cpuid_id()); \ |