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63 lines
1.9 KiB
Rust
63 lines
1.9 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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//! Top-level BSP file for the Raspberry Pi 3 and 4.
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pub mod console;
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pub mod cpu;
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pub mod driver;
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pub mod exception;
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pub mod memory;
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use super::device_driver;
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use crate::memory::mmu::MMIODescriptor;
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use memory::map::mmio;
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//--------------------------------------------------------------------------------------------------
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// Global instances
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//--------------------------------------------------------------------------------------------------
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static GPIO: device_driver::GPIO =
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unsafe { device_driver::GPIO::new(MMIODescriptor::new(mmio::GPIO_START, mmio::GPIO_SIZE)) };
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static PL011_UART: device_driver::PL011Uart = unsafe {
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device_driver::PL011Uart::new(
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MMIODescriptor::new(mmio::PL011_UART_START, mmio::PL011_UART_SIZE),
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exception::asynchronous::irq_map::PL011_UART,
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)
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};
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#[cfg(feature = "bsp_rpi3")]
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static INTERRUPT_CONTROLLER: device_driver::InterruptController = unsafe {
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device_driver::InterruptController::new(
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MMIODescriptor::new(mmio::LOCAL_IC_START, mmio::LOCAL_IC_SIZE),
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MMIODescriptor::new(mmio::PERIPHERAL_IC_START, mmio::PERIPHERAL_IC_SIZE),
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)
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};
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#[cfg(feature = "bsp_rpi4")]
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static INTERRUPT_CONTROLLER: device_driver::GICv2 = unsafe {
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device_driver::GICv2::new(
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MMIODescriptor::new(mmio::GICD_START, mmio::GICD_SIZE),
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MMIODescriptor::new(mmio::GICC_START, mmio::GICC_SIZE),
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)
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};
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//--------------------------------------------------------------------------------------------------
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// Public Code
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//--------------------------------------------------------------------------------------------------
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/// Board identification.
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pub fn board_name() -> &'static str {
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#[cfg(feature = "bsp_rpi3")]
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{
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"Raspberry Pi 3"
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}
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#[cfg(feature = "bsp_rpi4")]
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{
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"Raspberry Pi 4"
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}
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}
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