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This code is used on several Intel CPUs. Move it into a common location.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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Most modern x86 CPUs include more than one CPU core. The OS normally requires
that these 'Application Processors' (APs) be brought up by the boot loader.
Add the required support to U-Boot to init additional APs.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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At present the normal update (which happens much later) does not work. This
seems to have something to do with the 'no eviction' mode in the CAR, or at
least moving the microcode update after that causes it not to work.
For now, do an update early on so that it definitely works. Also refuse to
continue unless the microcode update check (later in boot) is successful.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Microcode updates are stored in the device tree. Work through these and
apply any that are needed.
Signed-off-by: Simon Glass <sjg@chromium.org>
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