[PATCH v2 1/2] ARM: shmobile: sh73a0: enable PMU(Performance Monitoring Unit)

[Tetsuyuki Kobayashi]

Hello, Will

(2012/09/06 18:11), Will Deacon wrote:
> On Thu, Sep 06, 2012 at 06:30:46AM +0100, Tetsuyuki Kobayshi wrote:
>> From: Tetsuyuki Kobayashi <koba at kmckk.co.jp>
>>
>> This patch enables PMU(Performance Monitoring Unit) for sh73a0.
>>
>> Signed-off-by: Tetsuyuki Kobayashi <koba at kmckk.co.jp>
>> ---
>> Changes for v2:
>> - Removed #ifdef CONFIG_HW_PERF_EVENTS
>> - Added kzm9g_defconfig
>>
>>   arch/arm/configs/kzm9g_defconfig      |    1 +
>>   arch/arm/mach-shmobile/setup-sh73a0.c |   22 ++++++++++++++++++++++
>>   2 files changed, 23 insertions(+)
>>
>> diff --git a/arch/arm/configs/kzm9g_defconfig b/arch/arm/configs/kzm9g_defconfig
>> index 2388c86..5d0c667 100644
>> --- a/arch/arm/configs/kzm9g_defconfig
>> +++ b/arch/arm/configs/kzm9g_defconfig
>> @@ -14,6 +14,7 @@ CONFIG_NAMESPACES=y
>>   CONFIG_CC_OPTIMIZE_FOR_SIZE=y
>>   CONFIG_SYSCTL_SYSCALL=y
>>   CONFIG_EMBEDDED=y
>> +CONFIG_PERF_EVENTS=y
>>   CONFIG_SLAB=y
>>   CONFIG_MODULES=y
>>   CONFIG_MODULE_FORCE_LOAD=y
>> diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
>> index d230af6..8186a08 100644
>> --- a/arch/arm/mach-shmobile/setup-sh73a0.c
>> +++ b/arch/arm/mach-shmobile/setup-sh73a0.c
>> @@ -39,6 +39,7 @@
>>   #include <asm/mach/map.h>
>>   #include <asm/mach/arch.h>
>>   #include <asm/mach/time.h>
>> +#include <asm/pmu.h>
>>
>>   static struct map_desc sh73a0_io_desc[] __initdata = {
>>   	/* create a 1:1 entity map for 0xe6xxxxxx
>> @@ -734,6 +735,26 @@ static struct platform_device mpdma0_device = {
>>   	},
>>   };
>>
>> +static struct resource pmu_resources[] = {
>> +	[0] = {
>> +		.start	= gic_spi(55),
>> +		.end	= gic_spi(55),
>> +		.flags	= IORESOURCE_IRQ,
>> +	},
>> +	[1] = {
>> +		.start	= gic_spi(56),
>> +		.end	= gic_spi(56),
>> +		.flags	= IORESOURCE_IRQ,
>> +	},
>> +};
>> +
>> +static struct platform_device pmu_device = {
>> +	.name		= "arm-pmu",
>> +	.id		= ARM_PMU_DEVICE_CPU,
>> +	.num_resources	= ARRAY_SIZE(pmu_resources),
>> +	.resource	= pmu_resources,
>> +};
>
> Please check my latest perf stuff to go into arm-soc (pmu/cleanup). The
> ARM_PMU_DEVICE_CPU crap has disappeared and you won't need to include
> asm/pmu.h anymore.
>
Thak you, Will. I'm checking out pmu/cleanup branch of arm-soc.
I will post v3 patch based on it.