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It seems to depend on the market. For example CPUs that run Linux open reference manuals are still the norm in the industrial range (chips like the NXP i.MX se
by mfuzzey 3y ago
It seems to depend on the market.
For example CPUs that run Linux open reference manuals are still the norm in the industrial range (chips like the NXP i.MX series, the TI SAMA ones or the fairly new STM32MP1) whereas in the mobile market (Qualcomm, Exynos etc) you can't get any information without a NDA and they'll only sign one with you if you're going to be buying millions.
The first category also tend to have good mainline support, the second stuck on ancient vendor kernels.