]>
Commit | Line | Data |
---|---|---|
1 | /** @file\r | |
2 | *\r | |
3 | * Copyright (c) 2011-2015, ARM Limited. All rights reserved.\r | |
4 | *\r | |
5 | * SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
6 | *\r | |
7 | **/\r | |
8 | \r | |
9 | #include <Uefi.h>\r | |
10 | #include <Library/IoLib.h>\r | |
11 | #include <Library/ArmGicLib.h>\r | |
12 | \r | |
13 | VOID\r | |
14 | EFIAPI\r | |
15 | ArmGicEnableDistributor (\r | |
16 | IN INTN GicDistributorBase\r | |
17 | )\r | |
18 | {\r | |
19 | ARM_GIC_ARCH_REVISION Revision;\r | |
20 | \r | |
21 | /*\r | |
22 | * Enable GIC distributor in Non-Secure world.\r | |
23 | * Note: The ICDDCR register is banked when Security extensions are implemented\r | |
24 | */\r | |
25 | Revision = ArmGicGetSupportedArchRevision ();\r | |
26 | if (Revision == ARM_GIC_ARCH_REVISION_2) {\r | |
27 | MmioWrite32 (GicDistributorBase + ARM_GIC_ICDDCR, 0x1);\r | |
28 | } else {\r | |
29 | if (MmioRead32 (GicDistributorBase + ARM_GIC_ICDDCR) & ARM_GIC_ICDDCR_ARE) {\r | |
30 | MmioOr32 (GicDistributorBase + ARM_GIC_ICDDCR, 0x2);\r | |
31 | } else {\r | |
32 | MmioOr32 (GicDistributorBase + ARM_GIC_ICDDCR, 0x1);\r | |
33 | }\r | |
34 | }\r | |
35 | }\r |