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This commit adds the implementation for the AArch64 PL031 Real Time Clock (RTC) that provides a long time base counter. This is achieved by generating an interrupt signal after counting a programmed number of cycles of a real-time clock input. The AArch64 guest VM of the cloud-hypervisor will use this RTC to sync the time in itself. Signed-off-by: Henry Wang <Henry.Wang@arm.com>
26 lines
699 B
Rust
26 lines
699 B
Rust
// Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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//
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// Portions Copyright 2017 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE-BSD-3-Clause file.
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#[cfg(feature = "cmos")]
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mod cmos;
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#[cfg(feature = "fwdebug")]
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mod fwdebug;
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mod i8042;
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#[cfg(target_arch = "aarch64")]
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mod rtc_pl031;
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mod serial;
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#[cfg(feature = "cmos")]
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pub use self::cmos::Cmos;
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#[cfg(feature = "fwdebug")]
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pub use self::fwdebug::FwDebugDevice;
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pub use self::i8042::I8042Device;
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pub use self::serial::Serial;
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#[cfg(target_arch = "aarch64")]
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pub use self::rtc_pl031::RTC;
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