xtensa: implement ccount calibration for s6000
Calculate core frequency from timers at boot time
instead of assuming a fixed frequency. This is
useful as the true frequency is set up by the
boot loader, thus variable.
Signed-off-by: Oskar Schirmer <os@emlix.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 30d21a9..ebe228d 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -80,6 +80,7 @@
bool "s6000 - Stretch software configurable processor"
select VARIANT_IRQ_SWITCH
select ARCH_REQUIRE_GPIOLIB
+ select XTENSA_CALIBRATE_CCOUNT
endchoice
config XTENSA_UNALIGNED_USER