On 16/11/17 14:29, Peter De Schrijver wrote:
> Apply the memory built-in self test work around when ungating certain
> Tegra210 power domains.
>
> Signed-off-by: Peter De Schrijver <pdeschrijver@xxxxxxxxxx>
> ---
> drivers/soc/tegra/pmc.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
> index 0453ff6..4c0582d 100644
> --- a/drivers/soc/tegra/pmc.c
> +++ b/drivers/soc/tegra/pmc.c
> @@ -142,6 +142,7 @@ struct tegra_pmc_soc {
>
> bool has_tsense_reset;
> bool has_gpu_clamps;
> + bool needs_mbist_war;
>
> const struct tegra_io_pad_soc *io_pads;
> unsigned int num_io_pads;
> @@ -411,6 +412,9 @@ static int tegra_powergate_power_up(struct tegra_powergate *pg,
>
> usleep_range(10, 20);
>
> + if (pg->pmc->soc->needs_mbist_war)
> + tegra210_handle_mbist_war(pg->id);
> +
> if (disable_clocks)
> tegra_powergate_disable_clocks(pg);
>
> @@ -1712,6 +1716,7 @@ static int tegra_pmc_resume(struct device *dev)
> .cpu_powergates = tegra210_cpu_powergates,
> .has_tsense_reset = true,
> .has_gpu_clamps = true,
> + .needs_mbist_war = true,
> .num_io_pads = ARRAY_SIZE(tegra210_io_pads),
> .io_pads = tegra210_io_pads,
> };
After applying this series, tegra210-smaug no longer boots (no output
from the console). Reverting this patch allows it to boot again. So
something here is not working ...
Cheers
Jon
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