This driver is using some dangerous hack to set MMIO address for HPET,
which might break systems with other kinds of PCH.
Also, as Loongson-3 cpufreq driver never appeared in mainline,
this driver rarely got used.
So we temporarily mark it as broken until we find a better solution.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
config RS780_HPET
bool "RS780/SBX00 HPET Timer"
depends on MACH_LOONGSON64
+ depends on BROKEN
select MIPS_EXTERNAL_TIMER
help
This option enables the hpet timer of AMD RS780/SBX00.
- If you want to enable the Loongson3 CPUFreq Driver, Please enable
- this option at first, otherwise, You will get wrong system time.
-
- If unsure, say Yes.
-
+ Note: This driver is doing some dangerous hack. Please only enable
+ it on RS780E systems.
endif # MACH_LOONGSON64