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SubjectRe: [PATCH 0/5] Allwinner SoCs High Speed Timer support
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
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