From aa9ae8eb1a917c8794bceef0a8e6ff1f4d7c46de Mon Sep 17 00:00:00 2001 From: Ian Molton Date: Wed, 25 Jun 2008 22:17:16 +0100 Subject: 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 --- include/asm-arm/arch-pxa/hardware.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include/asm-arm') diff --git a/include/asm-arm/arch-pxa/hardware.h b/include/asm-arm/arch-pxa/hardware.h index d9af6dabc89..b6a8317c2ec 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()); \ -- cgit v1.2.3-18-g5258