Messages in this thread | | | Date | Wed, 25 Sep 2013 19:41:06 -0300 | From | Emilio López <> | Subject | Re: [PATCH 0/5] Allwinner SoCs High Speed Timer support |
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Hi Maxime,
El 25/09/13 11:03, Maxime Ripard escribió: > Hi everyone, > > Here is a few patches adding support for the High Speed Timers running on the > Allwinner SoCs. > > These timers are 64 bits timers running at a much higher speed than the timers > used for now on these SoCs, since they are no longer wired to the 24MHz > oscillator, but to the AHB clock. > > This HS timers are actually found in all the supported SoCs but the A10. > However, the A20 and A31 come with 4 of these high speed timers, while the A10s > and A13 only have two, hence why we introduce two different compatibles. > > The A31 is not using these for now, as its timers are asserted in reset by a > reset controller that first need to gain some support in the kernel first, but > that's for another patchset. > > Thanks, > Maxime > > Maxime Ripard (5): > clocksource: sun4i: Select CLKSRC_MMIO > clocksource: Add Allwinner SoCs HS timers driver > ARM: sun5i: a10s: Add support for the High Speed Timers > ARM: sun5i: a13: Add support for the High Speed Timers > ARM: sun7i: a20: Add support for the High Speed Timers
I tested these 5 patches on my Cubieboard2 (A20) and it boots and seems to work fine, so
Tested-by: Emilio López <emilio@elopez.com.ar>
# uptime && cat /proc/interrupts 01:45:01 up 1:45, load average: 0.01, 0.03, 0.04 CPU0 33: 56223 GIC 33 serial 54: 0 GIC 54 sun4i_timer0 87: 522 GIC 87 eth0 113: 66980 GIC 113 sun5i_timer0 IPI0: 0 CPU wakeup interrupts IPI1: 0 Timer broadcast interrupts IPI2: 0 Rescheduling interrupts IPI3: 0 Function call interrupts IPI4: 0 Single function call interrupts IPI5: 0 CPU stop interrupts Err: 0
Cheers,
Emilio -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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