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 ? Neil
