OP-TEE is optional on Developerbox controlled via SCP firmware. To check if we need to enable OP-TEE DT node, we use "IsOpteePresent" OpteeLib api.
Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Sumit Garg <[email protected]> Cc: Leif Lindholm <[email protected]> Reviewed-by: Ard Biesheuvel <[email protected]> --- Platform/Socionext/DeveloperBox/DeveloperBox.dsc | 1 + .../Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi | 8 +++++++ .../SynQuacerDtbLoaderLib/SynQuacerDtbLoaderLib.c | 28 ++++++++++++++++++++++ .../SynQuacerDtbLoaderLib.inf | 2 ++ 4 files changed, 39 insertions(+) diff --git a/Platform/Socionext/DeveloperBox/DeveloperBox.dsc b/Platform/Socionext/DeveloperBox/DeveloperBox.dsc index fc498eb65217..4ff5df978e8e 100644 --- a/Platform/Socionext/DeveloperBox/DeveloperBox.dsc +++ b/Platform/Socionext/DeveloperBox/DeveloperBox.dsc @@ -76,6 +76,7 @@ [LibraryClasses.common] ArmPlatformStackLib|ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.inf ArmSmcLib|ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf ArmGenericTimerCounterLib|ArmPkg/Library/ArmGenericTimerPhyCounterLib/ArmGenericTimerPhyCounterLib.inf + OpteeLib|ArmPkg/Library/OpteeLib/OpteeLib.inf BaseLib|MdePkg/Library/BaseLib/BaseLib.inf BmpSupportLib|MdeModulePkg/Library/BaseBmpSupportLib/BaseBmpSupportLib.inf diff --git a/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi b/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi index 37d642e4b237..d6a5f013e58c 100644 --- a/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi +++ b/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi @@ -574,6 +574,14 @@ #address-cells = <1>; #size-cells = <0>; }; + + firmware { + optee { + compatible = "linaro,optee-tz"; + method = "smc"; + status = "disabled"; + }; + }; }; #include "SynQuacerCaches.dtsi" diff --git a/Silicon/Socionext/SynQuacer/Library/SynQuacerDtbLoaderLib/SynQuacerDtbLoaderLib.c b/Silicon/Socionext/SynQuacer/Library/SynQuacerDtbLoaderLib/SynQuacerDtbLoaderLib.c index 897d06743708..77db30c204fe 100644 --- a/Silicon/Socionext/SynQuacer/Library/SynQuacerDtbLoaderLib/SynQuacerDtbLoaderLib.c +++ b/Silicon/Socionext/SynQuacer/Library/SynQuacerDtbLoaderLib/SynQuacerDtbLoaderLib.c @@ -19,6 +19,7 @@ #include <Library/DebugLib.h> #include <Library/DxeServicesLib.h> #include <Library/MemoryAllocationLib.h> +#include <Library/OpteeLib.h> #include <Platform/VarStore.h> // add enough space for three instances of 'status = "disabled"' @@ -47,6 +48,29 @@ DisableDtNode ( } } +STATIC +VOID +EnableDtNode ( + IN VOID *Dtb, + IN CONST CHAR8 *NodePath + ) +{ + INT32 Node; + INT32 Rc; + + Node = fdt_path_offset (Dtb, NodePath); + if (Node < 0) { + DEBUG ((DEBUG_ERROR, "%a: failed to locate DT path '%a': %a\n", + __FUNCTION__, NodePath, fdt_strerror (Node))); + return; + } + Rc = fdt_setprop_string (Dtb, Node, "status", "okay"); + if (Rc < 0) { + DEBUG ((DEBUG_ERROR, "%a: failed to set status to 'disabled' on '%a': %a\n", + __FUNCTION__, NodePath, fdt_strerror (Rc))); + } +} + /** Return a pool allocated copy of the DTB image that is appropriate for booting the current platform via DT. @@ -107,6 +131,10 @@ DtPlatformLoadDtb ( DisableDtNode (CopyDtb, "/sdhci@52300000"); } + if (IsOpteePresent()) { + EnableDtNode (CopyDtb, "/firmware/optee"); + } + *Dtb = CopyDtb; *DtbSize = CopyDtbSize; diff --git a/Silicon/Socionext/SynQuacer/Library/SynQuacerDtbLoaderLib/SynQuacerDtbLoaderLib.inf b/Silicon/Socionext/SynQuacer/Library/SynQuacerDtbLoaderLib/SynQuacerDtbLoaderLib.inf index 548d62fd5c0a..fd21f7c376ce 100644 --- a/Silicon/Socionext/SynQuacer/Library/SynQuacerDtbLoaderLib/SynQuacerDtbLoaderLib.inf +++ b/Silicon/Socionext/SynQuacer/Library/SynQuacerDtbLoaderLib/SynQuacerDtbLoaderLib.inf @@ -24,6 +24,7 @@ [Sources] SynQuacerDtbLoaderLib.c [Packages] + ArmPkg/ArmPkg.dec MdePkg/MdePkg.dec EmbeddedPkg/EmbeddedPkg.dec Silicon/Socionext/SynQuacer/SynQuacer.dec @@ -34,6 +35,7 @@ [LibraryClasses] DxeServicesLib FdtLib MemoryAllocationLib + OpteeLib [Pcd] gSynQuacerTokenSpaceGuid.PcdPcieEnableMask -- 2.7.4 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel

