@@ -34,6 +34,9 @@ [Guids.common]
gArmVirtTokenSpaceGuid = { 0x0B6F5CA7, 0x4F53, 0x445A, { 0xB7, 0x6E, 0x2E, 0x36, 0x5B, 0x80, 0x63, 0x66 } }
gEarlyPL011BaseAddressGuid = { 0xB199DEA9, 0xFD5C, 0x4A84, { 0x80, 0x82, 0x2F, 0x41, 0x70, 0x78, 0x03, 0x05 } }
+[Protocols]
+ gFdtClientProtocolGuid = { 0xE11FACA0, 0x4710, 0x4C8E, { 0xA7, 0xA2, 0x01, 0xBA, 0xA2, 0x59, 0x1B, 0x4C } }
+
[PcdsFixedAtBuild, PcdsPatchableInModule]
#
# This is the physical address where the device tree is expected to be stored
new file mode 100644
@@ -0,0 +1,108 @@
+/** @file
+
+ DISCLAIMER: the FDT_CLIENT_PROTOCOL introduced here is a work in progress,
+ and should not be used outside of the EDK II tree.
+
+ Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __FDT_CLIENT_H__
+#define __FDT_CLIENT_H__
+
+#define FDT_CLIENT_PROTOCOL_GUID { \
+ 0xE11FACA0, 0x4710, 0x4C8E, {0xA7, 0xA2, 0x01, 0xBA, 0xA2, 0x59, 0x1B, 0x4C }\
+ }
+
+//
+// Protocol interface structure
+//
+typedef struct _FDT_CLIENT_PROTOCOL FDT_CLIENT_PROTOCOL;
+
+typedef
+EFI_STATUS
+(EFIAPI *FDT_CLIENT_GET_NODE_PROPERTY) (
+ IN FDT_CLIENT_PROTOCOL *This,
+ IN INT32 Node,
+ IN CONST CHAR8 *PropertyName,
+ OUT CONST VOID **Prop,
+ OUT UINT32 *PropSize OPTIONAL
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *FDT_CLIENT_SET_NODE_PROPERTY) (
+ IN FDT_CLIENT_PROTOCOL *This,
+ IN INT32 Node,
+ IN CONST CHAR8 *PropertyName,
+ IN CONST VOID *Prop,
+ IN UINT32 PropSize
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *FDT_CLIENT_FIND_COMPATIBLE_NODE) (
+ IN FDT_CLIENT_PROTOCOL *This,
+ IN CONST CHAR8 *CompatibleString,
+ OUT INT32 *Node
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *FDT_CLIENT_FIND_NEXT_COMPATIBLE_NODE) (
+ IN FDT_CLIENT_PROTOCOL *This,
+ IN CONST CHAR8 *CompatibleString,
+ IN INT32 PrevNode,
+ OUT INT32 *Node
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *FDT_CLIENT_FIND_COMPATIBLE_NODE_PROPERTY) (
+ IN FDT_CLIENT_PROTOCOL *This,
+ IN CONST CHAR8 *CompatibleString,
+ IN CONST CHAR8 *PropertyName,
+ OUT CONST VOID **Prop,
+ OUT UINT32 *PropSize OPTIONAL
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *FDT_CLIENT_FIND_COMPATIBLE_NODE_REG) (
+ IN FDT_CLIENT_PROTOCOL *This,
+ IN CONST CHAR8 *CompatibleString,
+ OUT CONST VOID **Reg,
+ OUT UINT32 *RegElemSize,
+ OUT UINT32 *RegSize
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *FDT_CLIENT_GET_CHOSEN_NODE) (
+ IN FDT_CLIENT_PROTOCOL *This,
+ OUT INT32 *Node
+ );
+
+struct _FDT_CLIENT_PROTOCOL {
+ FDT_CLIENT_GET_NODE_PROPERTY GetNodeProperty;
+ FDT_CLIENT_SET_NODE_PROPERTY SetNodeProperty;
+
+ FDT_CLIENT_FIND_COMPATIBLE_NODE FindCompatibleNode;
+ FDT_CLIENT_FIND_NEXT_COMPATIBLE_NODE FindNextCompatibleNode;
+ FDT_CLIENT_FIND_COMPATIBLE_NODE_PROPERTY FindCompatibleNodeProperty;
+ FDT_CLIENT_FIND_COMPATIBLE_NODE_REG FindCompatibleNodeReg;
+
+ FDT_CLIENT_GET_CHOSEN_NODE GetOrInsertChosenNode;
+};
+
+extern EFI_GUID gFdtClientProtocolGuid;
+
+#endif
This introduces the FdtClientProtocol, which will be used to expose the device tree provided by the host to other DXE drivers. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> --- ArmVirtPkg/ArmVirtPkg.dec | 3 + ArmVirtPkg/Include/Protocol/FdtClient.h | 108 ++++++++++++++++++++ 2 files changed, 111 insertions(+) -- 2.5.0 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel