[PATCH] arm: cpuinfo: display the core name and version

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Sun Jul 14 16:17:12 EDT 2013


On 15:47 Sun 14 Jul     , Jan Luebbe wrote:
> Signed-off-by: Jan Luebbe <jlu at pengutronix.de>
> ---
>  arch/arm/cpu/cpuinfo.c | 33 +++++++++++++++++++++++++++++++++
>  1 file changed, 33 insertions(+)
> 
> diff --git a/arch/arm/cpu/cpuinfo.c b/arch/arm/cpu/cpuinfo.c
> index 8aea4b4..260d47b 100644
> --- a/arch/arm/cpu/cpuinfo.c
> +++ b/arch/arm/cpu/cpuinfo.c
> @@ -31,6 +31,12 @@
>  #define CPU_ARCH_ARMv6		8
>  #define CPU_ARCH_ARMv7		9
>  
> +#define ARM_CPU_PART_CORTEX_A5      0xC050
> +#define ARM_CPU_PART_CORTEX_A7      0xC070
> +#define ARM_CPU_PART_CORTEX_A8      0xC080
> +#define ARM_CPU_PART_CORTEX_A9      0xC090
> +#define ARM_CPU_PART_CORTEX_A15     0xC0F0
> +

reuse instead

arch/arm/include/asm/system_info.h

Best Regards,
J.
>  static void decode_cache(unsigned long size)
>  {
>  	int linelen = 1 << ((size & 0x3) + 3);
> @@ -154,6 +160,33 @@ static int do_cpuinfo(int argc, char *argv[])
>  	printf("implementer: %s\narchitecture: %s\n",
>  			implementer, architecture);
>  
> +	if (cpu_arch == CPU_ARCH_ARMv7) {
> +		unsigned int major, minor;
> +		char *part;
> +		major = (mainid >> 20) & 0xf;
> +		minor = mainid & 0xf;
> +		switch (mainid & 0xfff0) {
> +		case ARM_CPU_PART_CORTEX_A5:
> +			part = "Cortex-A5";
> +			break;
> +		case ARM_CPU_PART_CORTEX_A7:
> +			part = "Cortex-A7";
> +			break;
> +		case ARM_CPU_PART_CORTEX_A8:
> +			part = "Cortex-A8";
> +			break;
> +		case ARM_CPU_PART_CORTEX_A9:
> +			part = "Cortex-A9";
> +			break;
> +		case ARM_CPU_PART_CORTEX_A15:
> +			part = "Cortex-A15";
> +			break;
> +		default:
> +			part = "unknown";
> +		}
> +		printf("core: %s r%up%u\n", part, major, minor);
> +	}
> +
>  	if (cache & (1 << 24)) {
>  		/* separate I/D cache */
>  		printf("I-cache: ");
> -- 
> 1.8.3.2
> 
> 
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