diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2007-05-15 10:26:49 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-07-12 14:28:04 +0100 |
| commit | b23170c01f6e4ea043df7cd9486c2488e01f3d60 (patch) | |
| tree | 3357533ac2d0a889628f9290e045af920e051974 | |
| parent | 7a2b94bc39915041304578188441f0f21aa5532a (diff) | |
[ARM] pxa: introduce cpu_is_pxaXXX macros
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/mach-pxa/generic.c | 6 | ||||
| -rw-r--r-- | include/asm-arm/arch-pxa/hardware.h | 36 |
2 files changed, 38 insertions, 4 deletions
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c index 64b08b744f9..147b7c40d9f 100644 --- a/arch/arm/mach-pxa/generic.c +++ b/arch/arm/mach-pxa/generic.c @@ -448,16 +448,14 @@ static struct platform_device *devices[] __initdata = { static int __init pxa_init(void) { - int cpuid, ret; + int ret; ret = platform_add_devices(devices, ARRAY_SIZE(devices)); if (ret) return ret; /* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */ - cpuid = read_cpuid(CPUID_ID); - if (((cpuid >> 4) & 0xfff) == 0x2d0 || - ((cpuid >> 4) & 0xfff) == 0x290) + if (cpu_is_pxa25x()) ret = platform_device_register(&hwuart_device); return ret; diff --git a/include/asm-arm/arch-pxa/hardware.h b/include/asm-arm/arch-pxa/hardware.h index e2bdc2fbede..38612174641 100644 --- a/include/asm-arm/arch-pxa/hardware.h +++ b/include/asm-arm/arch-pxa/hardware.h @@ -62,6 +62,42 @@ #ifndef __ASSEMBLY__ +#define __cpu_is_pxa21x(id) \ + ({ \ + unsigned int _id = (id) >> 4 & 0xf3f; \ + _id == 0x212; \ + }) + +#define __cpu_is_pxa25x(id) \ + ({ \ + unsigned int _id = (id) >> 4 & 0xfff; \ + _id == 0x2d0 || _id == 0x290; \ + }) + +#define __cpu_is_pxa27x(id) \ + ({ \ + unsigned int _id = (id) >> 4 & 0xfff; \ + _id == 0x411; \ + }) + +#define cpu_is_pxa21x() \ + ({ \ + unsigned int id = read_cpuid(CPUID_ID); \ + __cpu_is_pxa21x(id); \ + }) + +#define cpu_is_pxa25x() \ + ({ \ + unsigned int id = read_cpuid(CPUID_ID); \ + __cpu_is_pxa25x(id); \ + }) + +#define cpu_is_pxa27x() \ + ({ \ + unsigned int id = read_cpuid(CPUID_ID); \ + __cpu_is_pxa27x(id); \ + }) + /* * Handy routine to set GPIO alternate functions */ |