Struct MvebuMbus 

pub struct MvebuMbus {
    mbus_regs: MmioRegion,
    sdram_regs: MmioRegion,
    bridge_regs: MmioRegion,
    num_wins: usize,
    has_bridge: bool,
    hw_io_coherency: bool,
    saved_wins: [MbusWindowData; 20],
    power_state: PowerState,
}

Fields

mbus_regs: MmioRegion

sdram_regs: MmioRegion

bridge_regs: MmioRegion

num_wins: usize

has_bridge: bool

hw_io_coherency: bool

saved_wins: [MbusWindowData; 20]

power_state: PowerState

Implementations

impl MvebuMbus

pub fn new(num_wins: usize, has_bridge: bool) -> Self

Creates a new instance.

pub fn init_sdram_regs(&mut self, base: usize, size: usize)

Initializes sdram regs.

pub fn init_bridge_regs(&mut self, base: usize, size: usize)

Initializes bridge regs.

pub fn set_hw_io_coherency(&mut self, enable: bool)

Sets hw io coherency.

fn win_offset(&self, win: usize) -> usize

Performs the win offset operation.

fn has_remap(&self, win: usize) -> bool

Returns whether remap is available.

pub fn read_window(&self, win: usize) -> MbusWindowData

Reads window.

pub fn setup_window( &self, win: usize, base: u32, size: u32, target: u8, attr: u8, remap: Option<u64>, )

Performs the setup window operation.

pub fn disable_window(&self, win: usize)

Disables window.

pub fn save_windows(&mut self)

Performs the save windows operation.

pub fn restore_windows(&self)

Performs the restore windows operation.

Trait Implementations

impl BusDriver for MvebuMbus

fn name(&self) -> &str

Performs the name operation.

fn compatible(&self) -> &[&str]

Performs the compatible operation.

fn init(&mut self, base: usize) -> Result<(), BusError>

Performs the init operation.

fn shutdown(&mut self) -> Result<(), BusError>

Performs the shutdown operation.

fn suspend(&mut self) -> Result<(), BusError>

Performs the suspend operation.

fn resume(&mut self) -> Result<(), BusError>

Performs the resume operation.

fn read_reg(&self, offset: usize) -> Result<u32, BusError>

Reads reg.

fn write_reg(&mut self, offset: usize, value: u32) -> Result<(), BusError>

Writes reg.

fn as_firewall(&self) -> Option<&dyn FirewallController>

Returns the optional [FirewallController] capability, if any.

fn probe(&self) -> bool

Returns true if the driver believes the hardware is present.

fn error_count(&self) -> u64

Performs the error count operation.

fn children(&self) -> Vec<BusChild>

Performs the children operation.

fn handle_irq(&mut self) -> bool

Handles irq.