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libpayload-x86: Add common i8042 driver

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Add a common i8042 driver that uses multiple overflowing
fifos to seperate PS/2 port and PS/2 aux port.

Required to support PC keyboard and PC mouse at the same time.

Tested on Lenovo T500.

Change-Id: I4ca803bfa3ed45111776eef1f4dccd3fab02ea39
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/18594
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Patrick Rudolph
2017-03-01 19:07:37 +01:00
committed by Patrick Georgi
parent 2b2f89565e
commit e6a3821b97
4 changed files with 425 additions and 0 deletions
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6
payloads/libpayload/Kconfig
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@@ -329,6 +329,12 @@ config FONT_SCALE_FACTOR
By default (value of 0), the scale factor is automatically
calculated to ensure at least 130 columns (when possible).
config PC_I8042
bool "A common PC i8042 driver"
default n
help
To be used by PC_KEYBOARD and PC_MOUSE.
config PC_KEYBOARD
bool "Allow input from a PC keyboard"
default y if ARCH_X86 # uses IO