firmware: xilinx: Add support to get platform information

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Add function to get family code and sub family code from the idcode. This
family code and sub family code helps to identify the platform.
Family code of any platform is on bits 21 to 27 and Sub family code is on
bits 19 and 20.

Signed-off-by: Dhaval Shah <dhaval.r.shah@amd.com>
Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@amd.com>
Reviewed-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20230731095026.3766675-2-sai.krishna.potthuri@amd.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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Dhaval Shah 2023-07-31 15:20:23 +05:30 • committed by Linus Walleij

parent 046d354675

commit 03ffa9af3a

2 changed files with 51 additions and 0 deletions

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40

drivers/firmware/xilinx/zynqmp.c

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11

include/linux/firmware/xlnx-zynqmp.h

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