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Tegra210 has a hw bug which can cause IP blocks to lock up when ungating a domain. The reason is that the logic responsible for resetting the memory built-in self test mode can come up in an undefined state because its clock is gated by a second level clock gate (SLCG). Work around this by making sure the logic will get some clock edges by ensuring the relevant clock is enabled and temporarily override the relevant SLCGs. Unfortunately for some IP blocks, the control bits for overriding the SLCGs are not in CAR, but in the IP block itself. This means we need to map a few extra register banks in the clock code. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Reviewed-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Hector Martin <marcan@marcan.st> Tested-by: Andre Heider <a.heider@gmail.com> Tested-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> fixup mbist
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.