Martin Roth (martin.roth@se-eng.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5735
-gerrit
commit e7a3b6ba264b033326abb4323b9643ff5d6f8b8a Author: Martin Roth gaumless@gmail.com Date: Mon May 12 21:52:54 2014 -0600
add rtc_init() to romstage
The FSP clears the bit that tells us whether or not the RTC has lost power when it sets up memory. Because of this, we need to initialize the RTC in romstage instead of ramstage.
Change-Id: I158e4339fc539d32cfb2428042df6156d312a5f4 Signed-off-by: Martin Roth gaumless@gmail.com --- src/drivers/pc80/Kconfig | 6 ++++++ src/drivers/pc80/Makefile.inc | 1 + 2 files changed, 7 insertions(+)
diff --git a/src/drivers/pc80/Kconfig b/src/drivers/pc80/Kconfig index 1348dd4..6fb379d 100644 --- a/src/drivers/pc80/Kconfig +++ b/src/drivers/pc80/Kconfig @@ -23,3 +23,9 @@ config TPM Enable this option to enable TPM support in coreboot.
If unsure, say N. + +config ROMSTAGE_RTC_INIT + bool + default n + help + Enable this option to use rtc_init() in romstage diff --git a/src/drivers/pc80/Makefile.inc b/src/drivers/pc80/Makefile.inc index 4d0a280..2e264ab 100644 --- a/src/drivers/pc80/Makefile.inc +++ b/src/drivers/pc80/Makefile.inc @@ -1,4 +1,5 @@ ramstage-y += mc146818rtc.c +romstage-$(CONFIG_ROMSTAGE_RTC_INIT) += mc146818rtc.c ramstage-y += isa-dma.c ramstage-y += i8254.c ramstage-y += i8259.c
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Martin Roth