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memory: tegra: Introduce memory client hot reset

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In order to reset busy HW properly, memory controller needs to be
involved, otherwise it is possible to get corrupted memory or hang machine
if HW was reset during DMA. Introduce memory client 'hot reset' that will
be used for resetting of busy HW.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Dmitry Osipenko
2018-04-13 14:33:49 +03:00
committed by Thierry Reding
parent a8d502fd33
commit 20e92462cd
3 changed files with 245 additions and 0 deletions
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2
drivers/memory/tegra/mc.h
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@@ -41,6 +41,8 @@ static inline void mc_writel(struct tegra_mc *mc, u32 value,
writel(value, mc->regs + offset);
}
extern const struct tegra_mc_reset_ops terga_mc_reset_ops_common;
#ifdef CONFIG_ARCH_TEGRA_2x_SOC
extern const struct tegra_mc_soc tegra20_mc_soc;
#endif