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56 lines
2.0 KiB
Rust
56 lines
2.0 KiB
Rust
// SPDX-License-Identifier: MIT OR Apache-2.0
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//
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// Copyright (c) 2018-2022 Andre Richter <andre.o.richter@gmail.com>
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//! BSP driver support.
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use super::memory::map::mmio;
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use crate::{bsp::device_driver, driver};
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//--------------------------------------------------------------------------------------------------
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// Private Definitions
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//--------------------------------------------------------------------------------------------------
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/// Device Driver Manager type.
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struct BSPDriverManager {
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device_drivers: [&'static (dyn DeviceDriver + Sync); 2],
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}
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//--------------------------------------------------------------------------------------------------
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// Global instances
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//--------------------------------------------------------------------------------------------------
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pub(super) static PL011_UART: device_driver::PL011Uart =
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unsafe { device_driver::PL011Uart::new(mmio::PL011_UART_START) };
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static GPIO: device_driver::GPIO = unsafe { device_driver::GPIO::new(mmio::GPIO_START) };
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static BSP_DRIVER_MANAGER: BSPDriverManager = BSPDriverManager {
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device_drivers: [&PL011_UART, &GPIO],
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};
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//--------------------------------------------------------------------------------------------------
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// Public Code
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//--------------------------------------------------------------------------------------------------
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/// Return a reference to the driver manager.
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pub fn driver_manager() -> &'static impl driver::interface::DriverManager {
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&BSP_DRIVER_MANAGER
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}
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//------------------------------------------------------------------------------
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// OS Interface Code
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//------------------------------------------------------------------------------
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use driver::interface::DeviceDriver;
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impl driver::interface::DriverManager for BSPDriverManager {
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fn all_device_drivers(&self) -> &[&'static (dyn DeviceDriver + Sync)] {
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&self.device_drivers[..]
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}
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fn post_device_driver_init(&self) {
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// Configure PL011Uart's output pins.
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GPIO.map_pl011_uart();
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}
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}
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