hikey: Add UEFI sources for reference
UEFI needs to be built outside Android build system.
Please follow the instructions in README.
The sources correspond to:
https://github.com/96boards/edk2/commit/14eae0c12e71fd33c4c0fc51e4475e8db02566cf
https://github.com/96boards/arm-trusted-firmware/commit/e9b4909dcd75fc4ae7041cfb83d28ab9adb7afdf
https://github.com/96boards/l-loader/commit/6b784ad5c4ab00e2b1c6f53cd5f74054e5d00a78
https://git.linaro.org/uefi/uefi-tools.git/commit/abe618f8ab72034fff1ce46c9c006a2c6bd40a7e
Change-Id: Ieeefdb63e673e0c8e64e0a1f02c7bddc63b2c7fb
Signed-off-by: Vishal Bhoj <vishal.bhoj@linaro.org>
diff --git a/uefi/linaro-edk2/ArmPkg/Drivers/ArmGic/ArmGicSecLib.c b/uefi/linaro-edk2/ArmPkg/Drivers/ArmGic/ArmGicSecLib.c
new file mode 100644
index 0000000..1fdd4d7
--- /dev/null
+++ b/uefi/linaro-edk2/ArmPkg/Drivers/ArmGic/ArmGicSecLib.c
@@ -0,0 +1,66 @@
+/** @file
+*
+* Copyright (c) 2011-2014, ARM Limited. All rights reserved.
+*
+* 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.
+*
+**/
+
+#include <Base.h>
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/ArmGicLib.h>
+
+#include "GicV2/ArmGicV2Lib.h"
+
+/*
+ * This function configures the interrupts set by the mask to be secure.
+ *
+ */
+VOID
+EFIAPI
+ArmGicSetSecureInterrupts (
+ IN UINTN GicDistributorBase,
+ IN UINTN* GicSecureInterruptMask,
+ IN UINTN GicSecureInterruptMaskSize
+ )
+{
+ UINTN Index;
+ UINT32 InterruptStatus;
+
+ // We must not have more interrupts defined by the mask than the number of available interrupts
+ ASSERT(GicSecureInterruptMaskSize <= (ArmGicGetMaxNumInterrupts (GicDistributorBase) / 32));
+
+ // Set all the interrupts defined by the mask as Secure
+ for (Index = 0; Index < GicSecureInterruptMaskSize; Index++) {
+ InterruptStatus = MmioRead32 (GicDistributorBase + ARM_GIC_ICDISR + (Index * 4));
+ MmioWrite32 (GicDistributorBase + ARM_GIC_ICDISR + (Index * 4), InterruptStatus & (~GicSecureInterruptMask[Index]));
+ }
+}
+
+VOID
+EFIAPI
+ArmGicEnableDistributor (
+ IN INTN GicDistributorBase
+ )
+{
+ // Turn on the GIC distributor
+ MmioWrite32 (GicDistributorBase + ARM_GIC_ICDDCR, 1);
+}
+
+VOID
+EFIAPI
+ArmGicSetupNonSecure (
+ IN UINTN MpId,
+ IN INTN GicDistributorBase,
+ IN INTN GicInterruptInterfaceBase
+ )
+{
+ ArmGicV2SetupNonSecure (MpId, GicDistributorBase, GicInterruptInterfaceBase);
+}