diff options
| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2017-12-09 10:00:21 +0000 |
|---|---|---|
| committer | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2017-12-12 18:36:31 +0000 |
| commit | ace0059c18862e7fd2d02e48db38ab23edfd5342 (patch) | |
| tree | fe9398540ac829778153c2e786a30d82df20cef6 /Platform | |
| parent | d7b0eeadeda2622836817ec7d05adeb553365a62 (diff) | |
| download | edk2-platforms-ace0059c18862e7fd2d02e48db38ab23edfd5342.tar.xz | |
Silicon/SynQuacerEvalBoard: enable PCI #0 only when card is detected
The EVB does not boot if PCI RC #0 has no card inserted, and will hang in
the PCIe initialization code. So let's check the presence detect GPIO,
and only enable PCI RC #0 if it is asserted.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Diffstat (limited to 'Platform')
| -rw-r--r-- | Platform/Socionext/SynQuacerEvalBoard/SynQuacerEvalBoard.dsc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Platform/Socionext/SynQuacerEvalBoard/SynQuacerEvalBoard.dsc b/Platform/Socionext/SynQuacerEvalBoard/SynQuacerEvalBoard.dsc index 42c5f64f7f..b4b9239143 100644 --- a/Platform/Socionext/SynQuacerEvalBoard/SynQuacerEvalBoard.dsc +++ b/Platform/Socionext/SynQuacerEvalBoard/SynQuacerEvalBoard.dsc @@ -376,6 +376,10 @@ # set DIP switch DSW3-PIN1 (GPIO pin PD[0] on the SoC) to clear the varstore
gSynQuacerTokenSpaceGuid.PcdClearSettingsGpioPin|0
+ # On the EVB, PCIe RC #0 should not be enabled from software if no card
+ # was inserted, or the boot will hang.
+ gSynQuacerTokenSpaceGuid.PcdPcie0PresenceDetectGpioPin|15
+
!if $(BUILD_NUMBER) > 1
gEfiMdeModulePkgTokenSpaceGuid.PcdFirmwareVersionString|L"$(BUILD_NUMBER)"
!endif
@@ -397,6 +401,9 @@ gArmTokenSpaceGuid.PcdSystemMemoryBase|0x0000000000000000
gArmTokenSpaceGuid.PcdSystemMemorySize|0xFFFFFFFFFFFFFFFF
+ # enable RC #1 only by default, RC #0 will be enabled if an endpoint is detected
+ gSynQuacerTokenSpaceGuid.PcdPcieEnableMask|0x2
+
################################################################################
#
# Components Section - list of all EDK II Modules needed by this Platform
|