Messages in this thread | | | Subject | Re: [PATCH 02/17] irqchip: Add PLX Technology RPS IRQ Controller | From | Marc Zyngier <> | Date | Thu, 3 Mar 2016 17:17:39 +0000 |
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On 03/03/16 16:56, Neil Armstrong wrote: > On 03/03/2016 04:32 PM, Ma Haijun wrote: >> Hi Neil, >> >> Glad to see the mainline efforts of this SoC family. >> >> Previously, I did not really understand what this "RPS" stood for. >> After some digging(1)., now I believe it means ARM's Reference Peripheral >> Specification >> though the spec itself seems not publicly available, the peripheral specs >> are accessible. >> The interrupt controller is an AMBA Interrupt Controller(2) and the timers >> are >> AMBA Timer(3). Besides, ARM Dual-Timer Module (SP804)(4) looks like an >> extended version >> of the AMBA timer >> >> 1) >> http://infocenter.arm.com/help/topic/com.arm.doc.dai0030a/DAI0030A_sw_int_ap >> psnote.pdf >> 2) http://infocenter.arm.com/help/topic/com.arm.doc.ddi0047d/DDI0047.pdf >> 3) http://infocenter.arm.com/help/topic/com.arm.doc.ddi0049c/AMBA_Timer.pdf >> 4) http://infocenter.arm.com/help/topic/com.arm.doc.ddi0271d/DDI0271.pdf >> >> Regards, >> Haijun > > Hi Haijun, > > Thanks for the tips ! > > Indeed the timer looks like the timer-sp804 actually upstream, I'll try this driver before posting a v2. > > Concerning the IRQ controller, I did not find any similar drivers. > > Marc, Arnd, should I create a specific "arm RPS irq controller" instead ?
Why not - I wonder which HW this controller got slapped on... It doesn't even have a cryptic name! ;-)
Thanks,
M. -- Jazz is not dead. It just smells funny...
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