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| author | eric miao <eric.y.miao@gmail.com> | 2007-09-11 19:13:17 -0700 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-10-12 21:15:28 +0100 |
| commit | cd272ab01141c908ccccb068e6d38b7fcd3240ac (patch) | |
| tree | f08ce5ec02da04d15b647b3bc7541f6799cd373c /include/asm-arm/arch-pxa/hardware.h | |
| parent | fa0b62513b7cb55b6764b794b63c6f583b26e813 (diff) | |
| download | lwn-cd272ab01141c908ccccb068e6d38b7fcd3240ac.tar.gz lwn-cd272ab01141c908ccccb068e6d38b7fcd3240ac.zip | |
[ARM] pxa: add PXA3 cpu_is_xxx() macros
Extracted from patch by Eric Miao, this adds the cpu_is_xxx() macros
for identifying PXA3 SoCs.
Signed-off-by: eric miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/arch-pxa/hardware.h')
| -rw-r--r-- | include/asm-arm/arch-pxa/hardware.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/asm-arm/arch-pxa/hardware.h b/include/asm-arm/arch-pxa/hardware.h index 538a34e39e92..fc20d72d4844 100644 --- a/include/asm-arm/arch-pxa/hardware.h +++ b/include/asm-arm/arch-pxa/hardware.h @@ -80,6 +80,24 @@ _id == 0x411; \ }) +#define __cpu_is_pxa300(id) \ + ({ \ + unsigned int _id = (id) >> 4 & 0xfff; \ + _id == 0x688; \ + }) + +#define __cpu_is_pxa310(id) \ + ({ \ + unsigned int _id = (id) >> 4 & 0xfff; \ + _id == 0x689; \ + }) + +#define __cpu_is_pxa320(id) \ + ({ \ + unsigned int _id = (id) >> 4 & 0xfff; \ + _id == 0x603 || _id == 0x682; \ + }) + #define cpu_is_pxa21x() \ ({ \ unsigned int id = read_cpuid(CPUID_ID); \ @@ -98,6 +116,53 @@ __cpu_is_pxa27x(id); \ }) +#define cpu_is_pxa300() \ + ({ \ + unsigned int id = read_cpuid(CPUID_ID); \ + __cpu_is_pxa300(id); \ + }) + +#define cpu_is_pxa310() \ + ({ \ + unsigned int id = read_cpuid(CPUID_ID); \ + __cpu_is_pxa310(id); \ + }) + +#define cpu_is_pxa320() \ + ({ \ + unsigned int id = read_cpuid(CPUID_ID); \ + __cpu_is_pxa320(id); \ + }) + +/* + * CPUID Core Generation Bit + * <= 0x2 for pxa21x/pxa25x/pxa26x/pxa27x + * == 0x3 for pxa300/pxa310/pxa320 + */ +#define __cpu_is_pxa2xx(id) \ + ({ \ + unsigned int _id = (id) >> 13 & 0x7; \ + _id <= 0x2; \ + }) + +#define __cpu_is_pxa3xx(id) \ + ({ \ + unsigned int _id = (id) >> 13 & 0x7; \ + _id == 0x3; \ + }) + +#define cpu_is_pxa2xx() \ + ({ \ + unsigned int id = read_cpuid(CPUID_ID); \ + __cpu_is_pxa2xx(id); \ + }) + +#define cpu_is_pxa3xx() \ + ({ \ + unsigned int id = read_cpuid(CPUID_ID); \ + __cpu_is_pxa3xx(id); \ + }) + /* * Handy routine to set GPIO alternate functions */ |