* [PATCH] arm: cpuinfo: display the core name and version
@ 2013-07-14 13:47 Jan Luebbe
2013-07-14 20:17 ` Jean-Christophe PLAGNIOL-VILLARD
0 siblings, 1 reply; 3+ messages in thread
From: Jan Luebbe @ 2013-07-14 13:47 UTC (permalink / raw)
To: barebox
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
+
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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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] arm: cpuinfo: display the core name and version
2013-07-14 13:47 [PATCH] arm: cpuinfo: display the core name and version Jan Luebbe
@ 2013-07-14 20:17 ` Jean-Christophe PLAGNIOL-VILLARD
2013-07-15 6:53 ` Jan Lübbe
0 siblings, 1 reply; 3+ messages in thread
From: Jean-Christophe PLAGNIOL-VILLARD @ 2013-07-14 20:17 UTC (permalink / raw)
To: Jan Luebbe; +Cc: barebox
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
>
>
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] arm: cpuinfo: display the core name and version
2013-07-14 20:17 ` Jean-Christophe PLAGNIOL-VILLARD
@ 2013-07-15 6:53 ` Jan Lübbe
0 siblings, 0 replies; 3+ messages in thread
From: Jan Lübbe @ 2013-07-15 6:53 UTC (permalink / raw)
To: Jean-Christophe PLAGNIOL-VILLARD; +Cc: barebox
On Sun, 2013-07-14 at 22:17 +0200, Jean-Christophe PLAGNIOL-VILLARD
wrote:
> > +#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
Thanks. So cpuinfo.c should probably reworked based on that code.
I'll take a look.
Regards,
Jan
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2013-07-14 13:47 [PATCH] arm: cpuinfo: display the core name and version Jan Luebbe
2013-07-14 20:17 ` Jean-Christophe PLAGNIOL-VILLARD
2013-07-15 6:53 ` Jan Lübbe
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