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550064a85b
QCM2290 can support two memory configurations: single-channel, 32-bit wide LPDDR3 @ up to 933MHz (bus clock) or dual-channel, 16-bit wide LPDDR4X @ up to 1804 MHz. The interconnect driver in its current form seems to gravitate towards the first one, however there are no LPDDR3- equipped boards upstream and we still don't have a great way to discern the DDR generations on the kernel side. To make DDR scaling possible on the only currently-supported 2290 board, stick with the LPDDR4X config by default. The side effect on any potential LPDDR3 board would be that the requested bus clock rate is too high (but still capped to the firmware-configured FMAX). Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Link: https://lore.kernel.org/r/20230726-topic-icc_coeff-v4-7-c04b60caa467@linaro.org Signed-off-by: Georgi Djakov <djakov@kernel.org> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.