ArmVirtPkg: GUID Hob for 16550 UART base address

[mirror_edk2.git] / ArmVirtPkg / Include / Guid / Early16550UartBaseAddress.h

diff --git a/ArmVirtPkg/Include/Guid/Early16550UartBaseAddress.h b/ArmVirtPkg/Include/Guid/Early16550UartBaseAddress.h
new file mode 100644 (file)
index 0000000..6b76f37
--- /dev/null
+++ b/ArmVirtPkg/Include/Guid/Early16550UartBaseAddress.h
@@ -0,0 +1,22 @@
+/** @file\r
+  GUID for the HOB that caches the base address of the 16550 serial port, for\r
+  when PCD access is not available.\r
+\r
+  Copyright (c) 2020, ARM Limited. All rights reserved.\r
+\r
+  SPDX-License-Identifier: BSD-2-Clause-Patent\r
+\r
+**/\r
+\r
+#ifndef EARLY_16550_UART_BASE_ADDRESS_H__\r
+#define EARLY_16550_UART_BASE_ADDRESS_H__\r
+\r
+#define EARLY_16550_UART_BASE_ADDRESS_GUID {       \\r
+  0xea67ca3e, 0x1f54, 0x436b, {                    \\r
+    0x97, 0x88, 0xd4, 0xeb, 0x29, 0xc3, 0x42, 0x67 \\r
+    }                                              \\r
+  }\r
+\r
+extern EFI_GUID gEarly16550UartBaseAddressGuid;\r
+\r
+#endif // EARLY_16550_UART_BASE_ADDRESS_H__\r