x86: add force_hpet boot option

add force_hpet boot option.

(this will be useful to make the forced-enable quirks depend on.)

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Thomas Gleixner
2007-10-19 20:35:02 +02:00
parent 764922376c
commit b17530bda2
3 changed files with 8 additions and 2 deletions

View File

@@ -431,8 +431,10 @@ and is between 256 and 4096 characters. It is defined in the file
over the 8254 in addition to over the IO-APIC. The
kernel tries to set a sensible default.
hpet= [X86-32,HPET] option to disable HPET and use PIT.
Format: disable
hpet= [X86-32,HPET] option to control HPET usage
Format: { enable (default) | disable | force }
disable: disable HPET and use PIT instead
force: allow force enabled of undocumented chips (ICH4, VIA)
com20020= [HW,NET] ARCnet - COM20020 chipset
Format: