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memory: tegra: Ensure timing control debug features are disabled

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Timing control debug features should be disabled at a boot time, but you
never now and hence it's better to disable them explicitly because some of
those features are crucial for the driver to do a proper thing.

Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Dmitry Osipenko 2019-08-12 00:00:41 +03:00 committed by Thierry Reding
parent e34212c75a
commit 77b7182ff1
2 changed files with 5 additions and 0 deletions
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3
drivers/memory/tegra/mc.c
View file

@ -667,6 +667,9 @@ static int tegra_mc_probe(struct platform_device *pdev)
} else
#endif
{
/* ensure that debug features are disabled */
mc_writel(mc, 0x00000000, MC_TIMING_CONTROL_DBG);
err = tegra_mc_setup_latency_allowance(mc);
if (err < 0) {
dev_err(&pdev->dev,

2
drivers/memory/tegra/mc.h
View file

@ -30,6 +30,8 @@
#define MC_EMEM_ARB_OVERRIDE 0xe8
#define MC_EMEM_ARB_OVERRIDE_EACK_MASK 0x3
#define MC_TIMING_CONTROL_DBG 0xf8
#define MC_TIMING_CONTROL 0xfc
#define MC_TIMING_UPDATE BIT(0)