Messages in this thread | | | Subject | Re: [PATCH v1 1/4] ARM: tegra: Fix missed EMC registers latching on resume from LP1 on Tegra30+ | From | Jon Hunter <> | Date | Mon, 19 Nov 2018 21:27:32 +0000 |
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On 30/08/2018 19:54, Dmitry Osipenko wrote: > The memory interface configuration and re-calibration interval are left > unassigned on resume from LP1 because these registers are shadowed and > require latching after being adjusted. > > Signed-off-by: Dmitry Osipenko <digetx@gmail.com> > --- > arch/arm/mach-tegra/sleep-tegra30.S | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm/mach-tegra/sleep-tegra30.S b/arch/arm/mach-tegra/sleep-tegra30.S > index 127fc78365fe..801fe58978ae 100644 > --- a/arch/arm/mach-tegra/sleep-tegra30.S > +++ b/arch/arm/mach-tegra/sleep-tegra30.S > @@ -521,6 +521,8 @@ zcal_done: > ldr r1, [r5, #0x0] @ restore EMC_CFG > str r1, [r0, #EMC_CFG] > > + emc_timing_update r1, r0 > + > /* Tegra114 had dual EMC channel, now config the other one */ > cmp r10, #TEGRA114 > bne __no_dual_emc_chanl >
This is stated in the TRM as what needs to be done. So ...
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Cheers Jon
-- nvpublic
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