Johnny Lin 2bb5ecbcd6 drivers/ocp/vpd: Overwrite Linux payload's kernel command via VPD ... Add a new Kconfig LINUXPAYLOAD_CMDLINE_VPD_OVERWRITE that can overwrite Linux payload's kernel command line from VPD. Currently only overwrite Linux kernel command line 'loglevel' via VPD key 'kernel_log_level'. TESTED=On OCP Delta Lake, with kernel_log_level set to 0, warm reboot time can see about 10 seconds improvement comparing to kernel log level 7. Change-Id: Idf06c7ab9958c940fc3b23d560bb9dade991a6da Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/75510 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: David Hendricks <david.hendricks@gmail.com>		2023-06-01 13:12:18 +00:00
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vpd.h	drivers/ocp/vpd: Overwrite Linux payload's kernel command via VPD	2023-06-01 13:12:18 +00:00