On Tue, Jun 12, 2012 at 11:07 PM, Pandita, Vikram <vikram.pand...@ti.com> wrote:
> On Thu, Jun 7, 2012 at 2:22 PM, Jon Hunter <jon-hun...@ti.com> wrote:
>> In order to use the CTI interrupts inconjunction with the DEBUGSS we need to
>> re-map the CTI IRQs to the DEBUGSS HWMOD. The purpose for doing this is so we
>> can create a PMU device based upon the DEBUGSS HWMOD and use the CTI
>> interrupts
>> for routing ARM PMU events for OMAP4430 devices.
>>
>> This is based upon Benoit Cousson's patch [1].
>>
>> [1]
>> http://lists.infradead.org/pipermail/linux-arm-kernel/2011-November/073319.html
>>
>> Cc: Ming Lei <ming....@canonical.com>
>> Cc: Will Deacon <will.dea...@arm.com>
>> Cc: Benoit Cousson <b-cous...@ti.com>
>> Cc: Paul Walmsley <p...@pwsan.com>
>> Cc: Kevin Hilman <khil...@ti.com>
>>
>> Reviewed-by: Santosh Shilimkar <santosh.shilim...@ti.com>
>> Signed-off-by: Jon Hunter <jon-hun...@ti.com>
>> ---
>> arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 9 +++++++--
>> 1 file changed, 7 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
>> b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
>> index 950454a..faf5a6d 100644
>> --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
>> +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
>> @@ -482,10 +482,17 @@ static struct omap_hwmod_class
>> omap44xx_debugss_hwmod_class = {
>> };
>>
>> /* debugss */
>> +static struct omap_hwmod_irq_info omap44xx_debugss_irqs[] = {
>> + { .name = "cti0", .irq = 1 + OMAP44XX_IRQ_GIC_START },
>> + { .name = "cti1", .irq = 2 + OMAP44XX_IRQ_GIC_START },
>
> Data manual assigns cit0 == MA_IRQ_1 and cti1 == MA_IRQ_2
> Why do you add 32 base GIC_START ?
Looks we do the same for pl310:
{ .name = "pl310", .irq = 0 + OMAP44XX_IRQ_GIC_START },
so u can ignore my comment .. excuse the noise...
>
>> + { .irq = -1 }
>> +};
>> +
>> static struct omap_hwmod omap44xx_debugss_hwmod = {
>> .name = "debugss",
>> .class = &omap44xx_debugss_hwmod_class,
>> .clkdm_name = "emu_sys_clkdm",
>> + .mpu_irqs = omap44xx_debugss_irqs,
>> .main_clk = "trace_clk_div_ck",
>> .prcm = {
>> .omap4 = {
>> @@ -2447,8 +2454,6 @@ static struct omap_hwmod_class
>> omap44xx_mpu_hwmod_class = {
>> /* mpu */
>> static struct omap_hwmod_irq_info omap44xx_mpu_irqs[] = {
>> { .name = "pl310", .irq = 0 + OMAP44XX_IRQ_GIC_START },
>> - { .name = "cti0", .irq = 1 + OMAP44XX_IRQ_GIC_START },
>> - { .name = "cti1", .irq = 2 + OMAP44XX_IRQ_GIC_START },
>> { .irq = -1 }
>> };
>>
>> --
>> 1.7.9.5
>>
>>
>> _______________________________________________
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>> linux-arm-ker...@lists.infradead.org
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