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aarch64: Add PL061 for device tree implementation

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This commit adds a new legacy device PL011 for the AArch64 device
tree implementation.

Signed-off-by: Henry Wang <Henry.Wang@arm.com>
This commit is contained in:
Henry Wang
2021-03-07 20:11:07 +08:00
committed by Michael
parent 7c86ef8a69
commit a59ff42a95
5 changed files with 103 additions and 0 deletions
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arch/src/aarch64/layout.rs
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@@ -51,6 +51,7 @@ pub const MAPPED_IO_START: u64 = 0x0900_0000;
/// Space 0x0900_0000 ~ 0x1000_0000 is reserved for legacy devices.
pub const LEGACY_SERIAL_MAPPED_IO_START: u64 = 0x0900_0000;
pub const LEGACY_RTC_MAPPED_IO_START: u64 = 0x0901_0000;
pub const LEGACY_GPIO_MAPPED_IO_START: u64 = 0x0902_0000;
/// Legacy space will be allocated at once whiling setting up legacy devices.
pub const LEGACY_DEVICES_MAPPED_IO_SIZE: u64 = 0x0700_0000;