On 17 November 2017 at 15:51, Leif Lindholm <[email protected]> wrote: > On Fri, Nov 10, 2017 at 02:21:22PM +0000, Ard Biesheuvel wrote: >> Ordinary computers typically have a physical switch or jumper on the >> board that allows non-volatile settings to be cleared. Let's implement >> the same using DIP switch #1 on block #3, and clear the EFI variable >> store if it is set to ON at boot time. >> >> Contributed-under: TianoCore Contribution Agreement 1.1 >> Signed-off-by: Ard Biesheuvel <[email protected]> >> --- >> Platform/Socionext/DeveloperBox/DeveloperBox.dsc >> | 4 ++++ >> Platform/Socionext/SynQuacerEvalBoard/SynQuacerEvalBoard.dsc >> | 4 ++++ >> Platform/Socionext/SynQuacerEvalBoard/SynQuacerEvalBoard.fdf >> | 1 + >> >> Silicon/Socionext/SynQuacer/Library/SynQuacerPlatformPeiLib/SynQuacerPlatformPeiLib.c >> | 25 +++++++++++++++++++- >> >> Silicon/Socionext/SynQuacer/Library/SynQuacerPlatformPeiLib/SynQuacerPlatformPeiLib.inf >> | 6 +++++ >> Silicon/Socionext/SynQuacer/SynQuacer.dec >> | 2 ++ >> 6 files changed, 41 insertions(+), 1 deletion(-) >> >> diff --git a/Platform/Socionext/DeveloperBox/DeveloperBox.dsc >> b/Platform/Socionext/DeveloperBox/DeveloperBox.dsc >> index 10d070773cdc..af978db2c034 100644 >> --- a/Platform/Socionext/DeveloperBox/DeveloperBox.dsc >> +++ b/Platform/Socionext/DeveloperBox/DeveloperBox.dsc >> @@ -381,6 +381,9 @@ [PcdsFixedAtBuild.common] >> gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultCreatorId|0x4f524e4c # LNRO >> gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultCreatorRevision|1 >> >> + # set DIP switch DSW3-PIN1 to clear the varstore >> + gSynQuacerTokenSpaceGuid.PcdClearSettingsGpioPin|0 > > Just one question - how does 0 end up being pin 1 on block 3? >
Blocks 1 and 2 are not connected to GPIOs at all, but to other SoC PINs for boot mode, debug, etc. _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
