]>
Commit | Line | Data |
---|---|---|
1bfda055 | 1 | /** @file\r |
2 | *\r | |
41fb5d46 | 3 | * Copyright (c) 2011-2015, ARM Limited. All rights reserved.\r |
1bfda055 | 4 | *\r |
397bdc99 OM |
5 | * This program and the accompanying materials\r |
6 | * are licensed and made available under the terms and conditions of the BSD License\r | |
7 | * which accompanies this distribution. The full text of the license may be found at\r | |
8 | * http://opensource.org/licenses/bsd-license.php\r | |
9 | *\r | |
10 | * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
1bfda055 | 12 | *\r |
13 | **/\r | |
14 | \r | |
438311a3 | 15 | #include <Uefi.h>\r |
1bfda055 | 16 | #include <Library/IoLib.h>\r |
55a0d64b | 17 | #include <Library/ArmGicLib.h>\r |
1bfda055 | 18 | \r |
1bfda055 | 19 | VOID\r |
20 | EFIAPI\r | |
55a0d64b | 21 | ArmGicEnableDistributor (\r |
1bfda055 | 22 | IN INTN GicDistributorBase\r |
23 | )\r | |
24 | {\r | |
41fb5d46 OM |
25 | ARM_GIC_ARCH_REVISION Revision;\r |
26 | \r | |
438311a3 | 27 | /*\r |
28 | * Enable GIC distributor in Non-Secure world.\r | |
29 | * Note: The ICDDCR register is banked when Security extensions are implemented\r | |
30 | */\r | |
41fb5d46 OM |
31 | Revision = ArmGicGetSupportedArchRevision ();\r |
32 | if (Revision == ARM_GIC_ARCH_REVISION_2) {\r | |
33 | MmioWrite32 (GicDistributorBase + ARM_GIC_ICDDCR, 0x1);\r | |
34 | } else {\r | |
152ac489 | 35 | if (MmioRead32 (GicDistributorBase + ARM_GIC_ICDDCR) & ARM_GIC_ICDDCR_ARE) {\r |
33ed33f1 | 36 | MmioOr32 (GicDistributorBase + ARM_GIC_ICDDCR, 0x2);\r |
152ac489 | 37 | } else {\r |
33ed33f1 | 38 | MmioOr32 (GicDistributorBase + ARM_GIC_ICDDCR, 0x1);\r |
152ac489 | 39 | }\r |
41fb5d46 | 40 | }\r |
1bfda055 | 41 | }\r |