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Add a DRIVERS_PS2_KEYBOARD option which controls the PS2 keyboard 

initialization.  Not all payloads require it and some keyboards take a
long time to init.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5790 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Kevin O'Connor 2010-09-09 08:34:02 +00:00 committed by Patrick Georgi
parent 080ed7c5d5
commit 9c35c8409d
2 changed files with 17 additions and 0 deletions
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15
src/Kconfig.deprecated_options
View File

@ -31,3 +31,18 @@ config HAVE_BUS_CONFIG
help
This variable specifies whether a given board has a get_bus_conf.c
file containing information about bus routing.
# Will be removed (alongside with the PS2 init code) once payloads
# reliably support PS2 init themselves.
config DRIVERS_PS2_KEYBOARD
bool "PS2 Keyboard init"
default y
help
Enable this option to initialize PS2 keyboards found connected
to the PS2 port. Some payloads (eg, filo) require this
option. Other payloads (eg, SeaBIOS, Linux) do not require
it. Initializing a PS2 keyboard can take several hundred
milliseconds.
If you know you will only use a payload which does not require
this option, then you can say "n" here to speed up boot time.
Otherwise say "y".

2
src/pc80/keyboard.c
View File

@ -162,6 +162,8 @@ static u8 send_keyboard(u8 command)
void pc_keyboard_init(struct pc_keyboard *keyboard)
{
u8 regval;
if (!CONFIG_DRIVERS_PS2_KEYBOARD)
return;
printk(BIOS_DEBUG, "Keyboard init...\n");
/* Run a keyboard controller self-test */