From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: Jan Luebbe <jlu@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] arm: cpuinfo: display the core name and version
Date: Sun, 14 Jul 2013 22:17:12 +0200 [thread overview]
Message-ID: <20130714201712.GE19197@ns203013.ovh.net> (raw)
In-Reply-To: <1373809662-31482-1-git-send-email-jlu@pengutronix.de>
On 15:47 Sun 14 Jul , Jan Luebbe wrote:
> Signed-off-by: Jan Luebbe <jlu@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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next prev parent reply other threads:[~2013-07-14 20:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-14 13:47 Jan Luebbe
2013-07-14 20:17 ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2013-07-15 6:53 ` Jan Lübbe
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