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zynq-rs
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Merge pull request 'libboard_zynq: dead code, peripheral & regblock ctor names consistency' (#63) from harry/zynq-rs:cleanup into master

This commit is contained in:
Astro 2020-08-17 23:38:22 +08:00
parent 4b258c19f5 1a96a7550a
commit 64db9b0142
22 changed files with 90 additions and 114 deletions
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20
experiments/src/main.rs
View File

@ -56,8 +56,8 @@ static CORE1_RESTART: AtomicBool = AtomicBool::new(false);
#[naked]
pub unsafe extern "C" fn IRQ() {
if MPIDR.read().cpu_id() == 1{
let mpcore = mpcore::RegisterBlock::new();
let mut gic = gic::InterruptController::new(mpcore);
let mpcore = mpcore::RegisterBlock::mpcore();
let mut gic = gic::InterruptController::gic(mpcore);
let id = gic.get_interrupt_id();
if id.0 == 0 {
gic.end_interrupt(id);
@ -75,7 +75,7 @@ pub unsafe extern "C" fn IRQ() {
}
pub fn restart_core1() {
let mut interrupt_controller = gic::InterruptController::new(mpcore::RegisterBlock::new());
let mut interrupt_controller = gic::InterruptController::gic(mpcore::RegisterBlock::mpcore());
CORE1_RESTART.store(true, Ordering::Relaxed);
interrupt_controller.send_sgi(gic::InterruptId(0), gic::CPUCore::Core1.into());
while CORE1_RESTART.load(Ordering::Relaxed) {
@ -87,7 +87,7 @@ pub fn restart_core1() {
pub fn main_core0() {
// zynq::clocks::CpuClocks::enable_io(1_250_000_000);
println!("\nzc706 main");
let mut interrupt_controller = gic::InterruptController::new(mpcore::RegisterBlock::new());
let mut interrupt_controller = gic::InterruptController::gic(mpcore::RegisterBlock::mpcore());
interrupt_controller.enable_interrupts();
// ps7_init::apply();
libboard_zynq::stdio::drop_uart();
@ -97,7 +97,7 @@ pub fn main_core0() {
info!(
"Boot mode: {:?}",
zynq::slcr::RegisterBlock::new()
zynq::slcr::RegisterBlock::slcr()
.boot_mode
.read()
.boot_mode_pins()
@ -131,7 +131,7 @@ pub fn main_core0() {
clocks.cpu_1x()
);
let mut flash = zynq::flash::Flash::new(200_000_000).linear_addressing_mode();
let mut flash = zynq::flash::Flash::flash(200_000_000).linear_addressing_mode();
let flash_ram: &[u8] = unsafe { core::slice::from_raw_parts(flash.ptr(), flash.size()) };
for i in 0..=1 {
print!("Flash {}:", i);
@ -144,7 +144,7 @@ pub fn main_core0() {
let timer = libboard_zynq::timer::GlobalTimer::start();
let mut ddr = zynq::ddr::DdrRam::new();
let mut ddr = zynq::ddr::DdrRam::ddrram();
#[cfg(not(feature = "target_zc706"))]
ddr.memtest();
ram::init_alloc_ddr(&mut ddr);
@ -207,7 +207,7 @@ pub fn main_core0() {
// Test I2C
#[cfg(feature = "target_zc706")]
{
let mut i2c = zynq::i2c::I2C::i2c();
let mut i2c = zynq::i2c::I2c::i2c0();
i2c.init();
println!("I2C bit-banging enabled");
let mut eeprom = zynq::i2c::eeprom::EEPROM::new(&mut i2c, 16);
@ -237,7 +237,7 @@ pub fn main_core0() {
println!("");
}
let eth = zynq::eth::Eth::default(HWADDR.clone());
let eth = zynq::eth::Eth::eth0(HWADDR.clone());
println!("Eth on");
const RX_LEN: usize = 4096;
@ -331,7 +331,7 @@ static DONE: Mutex<bool> = Mutex::new(false);
#[no_mangle]
pub fn main_core1() {
println!("Hello from core1!");
let mut interrupt_controller = gic::InterruptController::new(mpcore::RegisterBlock::new());
let mut interrupt_controller = gic::InterruptController::gic(mpcore::RegisterBlock::mpcore());
interrupt_controller.enable_interrupts();
let req = unsafe { &mut CORE1_REQ.1 };
let res = unsafe { &mut CORE1_RES.0 };

8
libboard_zynq/src/clocks/mod.rs
View File

@ -14,7 +14,7 @@ enum CpuClockMode {
impl CpuClockMode {
pub fn get() -> Self {
let regs = slcr::RegisterBlock::new();
let regs = slcr::RegisterBlock::slcr();
if regs.clk_621_true.read().clk_621_true() {
CpuClockMode::C621
} else {
@ -59,7 +59,7 @@ impl Clocks {
}
pub fn cpu_6x4x(&self) -> u32 {
let slcr = slcr::RegisterBlock::new();
let slcr = slcr::RegisterBlock::slcr();
let arm_clk_ctrl = slcr.arm_clk_ctrl.read();
let pll = match arm_clk_ctrl.srcsel() {
ArmPllSource::ArmPll => self.arm,
@ -92,7 +92,7 @@ impl Clocks {
}
pub fn uart_ref_clk(&self) -> u32 {
let regs = slcr::RegisterBlock::new();
let regs = slcr::RegisterBlock::slcr();
let uart_clk_ctrl = regs.uart_clk_ctrl.read();
let pll = match uart_clk_ctrl.srcsel() {
slcr::PllSource::ArmPll =>
@ -106,7 +106,7 @@ impl Clocks {
}
pub fn sdio_ref_clk(&self) -> u32 {
let regs = slcr::RegisterBlock::new();
let regs = slcr::RegisterBlock::slcr();
let sdio_clk_ctrl = regs.sdio_clk_ctrl.read();
let pll = match sdio_clk_ctrl.srcsel() {
slcr::PllSource::ArmPll =>

2
libboard_zynq/src/clocks/source.rs
View File

@ -44,7 +44,7 @@ pub trait ClockSource {
/// get configured frequency
fn freq() -> u32 {
let mut slcr = slcr::RegisterBlock::new();
let mut slcr = slcr::RegisterBlock::slcr();
let (pll_ctrl, _, _) = Self::pll_regs(&mut slcr);
u32::from(pll_ctrl.read().pll_fdiv()) * PS_CLK
}

4
libboard_zynq/src/ddr/mod.rs
View File

@ -22,12 +22,12 @@ pub struct DdrRam {
}
impl DdrRam {
pub fn new() -> Self {
pub fn ddrram() -> Self {
let clocks = Self::clock_setup();
Self::calibrate_iob_impedance(&clocks);
Self::configure_iob();
let regs = unsafe { regs::RegisterBlock::new() };
let regs = unsafe { regs::RegisterBlock::ddrc() };
let mut ddr = DdrRam { regs };
ddr.configure();
ddr.reset_ddrc();

8
libboard_zynq/src/ddr/regs.rs
View File

@ -1,6 +1,6 @@
use volatile_register::{RO, RW};
use libregister::{register, register_bit, register_bits, register_bits_typed};
use libregister::{register, register_at, register_bit, register_bits, register_bits_typed};
#[allow(unused)]
#[derive(Clone, Copy)]
@ -158,11 +158,7 @@ pub struct RegisterBlock {
pub lpddr_ctrl3: RW<u32>,
}
impl RegisterBlock {
pub unsafe fn new() -> &'static mut Self {
&mut *(0xF8006000 as *mut _)
}
}
register_at!(RegisterBlock, 0xF8006000, ddrc);
register!(ddrc_ctrl, DdrcCtrl, RW, u32);
register_bit!(ddrc_ctrl,

11
libboard_zynq/src/eth/mod.rs
View File

@ -148,7 +148,7 @@ pub struct Eth<GEM: Gem, RX, TX> {
}
impl Eth<Gem0, (), ()> {
pub fn default(macaddr: [u8; 6]) -> Self {
pub fn eth0(macaddr: [u8; 6]) -> Self {
slcr::RegisterBlock::unlocked(|slcr| {
// Manual example: 0x0000_1280
// MDIO
@ -280,19 +280,22 @@ impl Eth<Gem0, (), ()> {
}
pub fn gem0(macaddr: [u8; 6]) -> Self {
Self::new(macaddr)
Self::gem_common(macaddr)
}
}
impl Eth<Gem1, (), ()> {
// TODO: Add a `eth1()`
pub fn gem1(macaddr: [u8; 6]) -> Self {
Self::new(macaddr)
Self::gem_common(macaddr)
}
}
impl<GEM: Gem> Eth<GEM, (), ()> {
fn new(macaddr: [u8; 6]) -> Self {
fn gem_common(macaddr: [u8; 6]) -> Self {
GEM::setup_clock(TX_1000);
let mut inner = EthInner {

16
libboard_zynq/src/eth/regs.rs
View File

@ -1,6 +1,6 @@
use volatile_register::{RO, WO, RW};
use libregister::{register, register_bit, register_bits, register_bits_typed};
use libregister::{register, register_at, register_bit, register_bits, register_bits_typed};
#[repr(C)]
pub struct RegisterBlock {
@ -110,18 +110,8 @@ pub struct RegisterBlock {
pub design_cfg5: RO<u32>,
}
impl RegisterBlock {
const GEM0: *mut Self = 0xE000B000 as *mut _;
const GEM1: *mut Self = 0xE000C000 as *mut _;
pub fn gem0() -> &'static mut Self {
unsafe { &mut *Self::GEM0 }
}
pub fn gem1() -> &'static mut Self {
unsafe { &mut *Self::GEM1 }
}
}
register_at!(RegisterBlock, 0xE000B000, gem0);
register_at!(RegisterBlock, 0xE000C000, gem1);
register!(net_ctrl, NetCtrl, RW, u32);
register_bit!(net_ctrl, loopback_local, 1);

2
libboard_zynq/src/flash/mod.rs
View File

@ -116,7 +116,7 @@ impl<MODE> Flash<MODE> {
}
impl Flash<()> {
pub fn new(clock: u32) -> Self {
pub fn flash(clock: u32) -> Self {
Self::enable_clocks(clock);
Self::setup_signals();
Self::reset();

10
libboard_zynq/src/flash/regs.rs
View File

@ -1,6 +1,6 @@
use volatile_register::{RO, WO, RW};
use libregister::{register, register_bit, register_bits};
use libregister::{register, register_at, register_bit, register_bits};
#[repr(C)]
pub struct RegisterBlock {
@ -30,13 +30,9 @@ pub struct RegisterBlock {
pub mod_id: RW<u32>,
}
impl RegisterBlock {
const BASE_ADDRESS: *mut Self = 0xE000D000 as *mut _;
const BASE_ADDRESS: u32 = 0xE000D000;
pub fn qspi() -> &'static mut Self {
unsafe { &mut *Self::BASE_ADDRESS }
}
}
register_at!(RegisterBlock, 0xE000D000, qspi);
register!(config, Config, RW, u32);
register_bit!(config,

2
libboard_zynq/src/gic.rs
View File

@ -62,7 +62,7 @@ pub struct InterruptController {
}
impl InterruptController {
pub fn new(mpcore: &'static mut mpcore::RegisterBlock) -> Self {
pub fn gic(mpcore: &'static mut mpcore::RegisterBlock) -> Self {
InterruptController { mpcore }
}

6
libboard_zynq/src/i2c/eeprom.rs
View File

@ -1,9 +1,9 @@
use super::I2C;
use super::I2c;
use crate::time::Milliseconds;
use embedded_hal::timer::CountDown;
pub struct EEPROM<'a> {
i2c: &'a mut I2C,
i2c: &'a mut I2c,
port: u8,
address: u8,
page_size: u8,
@ -12,7 +12,7 @@ pub struct EEPROM<'a> {
impl<'a> EEPROM<'a> {
#[cfg(feature = "target_zc706")]
pub fn new(i2c: &'a mut I2C, page_size: u8) -> Self {
pub fn new(i2c: &'a mut I2c, page_size: u8) -> Self {
EEPROM {
i2c: i2c,
port: 2,

18
libboard_zynq/src/i2c/mod.rs
View File

@ -2,22 +2,19 @@
mod regs;
pub mod eeprom;
use super::clocks::Clocks;
use super::slcr;
use super::time::Microseconds;
use embedded_hal::timer::CountDown;
use libregister::{RegisterR, RegisterRW, RegisterW};
const INVALID_BUS: &'static str = "Invalid I2C bus";
pub struct I2C {
regs: regs::RegisterWrapper,
pub struct I2c {
regs: regs::RegisterBlock,
count_down: super::timer::global::CountDown<Microseconds>
}
impl I2C {
impl I2c {
#[cfg(feature = "target_zc706")]
pub fn i2c() -> Self {
pub fn i2c0() -> Self {
// Route I2C 0 SCL / SDA Signals to MIO Pins 50 / 51
slcr::RegisterBlock::unlocked(|slcr| {
// SCL
@ -40,14 +37,13 @@ impl I2C {
slcr.gpio_rst_ctrl.reset_gpio();
});
Self::ctor_common(0xFFFF - 0x000C)
Self::i2c_common(0xFFFF - 0x000C)
}
fn ctor_common(gpio_output_mask: u16) -> Self {
fn i2c_common(gpio_output_mask: u16) -> Self {
// Setup register block
let clocks = Clocks::get();
let self_ = Self {
regs: regs::RegisterWrapper::new(),
regs: regs::RegisterBlock::i2c(),
count_down: unsafe { super::timer::GlobalTimer::get() }.countdown()
};

8
libboard_zynq/src/i2c/regs.rs
View File

@ -1,5 +1,3 @@
use volatile_register::{RO, WO, RW};
use libregister::{
register, register_at,
register_bit, register_bits
@ -23,15 +21,15 @@ use libregister::{
// Current compatibility:
// zc706: GPIO 50, 51 == SCL, SDA
pub struct RegisterWrapper {
pub struct RegisterBlock {
pub gpio_output_mask: &'static mut GPIOOutputMask,
pub gpio_input: &'static mut GPIOInput,
pub gpio_direction: &'static mut GPIODirection,
pub gpio_output_enable: &'static mut GPIOOutputEnable,
}
impl RegisterWrapper {
pub fn new() -> Self {
impl RegisterBlock {
pub fn i2c() -> Self {
Self {
gpio_output_mask: GPIOOutputMask::new(),
gpio_input: GPIOInput::new(),

2
libboard_zynq/src/mpcore.rs
View File

@ -138,7 +138,7 @@ pub struct RegisterBlock {
pub icdsgir: ICDSGIR,
}
register_at!(RegisterBlock, 0xF8F00000, new);
register_at!(RegisterBlock, 0xF8F00000, mpcore);
register!(value_register, ValueRegister, RW, u32);
register_bits!(value_register, value, u32, 0, 31);

4
libboard_zynq/src/sdio/adma.rs
View File

@ -1,6 +1,6 @@
/// ADMA library
use core::mem::MaybeUninit;
use super::SDIO;
use super::Sdio;
use libcortex_a9::cache;
use libregister::{
register, register_bit,
@ -32,7 +32,7 @@ impl Adma2DescTable {
}
/// Initialize the table and setup `adma_system_address`
pub fn setup(&mut self, sdio: &mut SDIO, blk_cnt: u32, buffer: &[u8]) {
pub fn setup(&mut self, sdio: &mut Sdio, blk_cnt: u32, buffer: &[u8]) {
let descr_table = &mut self.0;
let blk_size = sdio
.regs

6
libboard_zynq/src/sdio/mod.rs
View File

@ -12,7 +12,7 @@ use log::{trace, debug};
use nb;
/// Basic SDIO Struct with common low-level functions.
pub struct SDIO {
pub struct Sdio {
regs: &'static mut regs::RegisterBlock,
count_down: super::timer::global::CountDown<Milliseconds>,
input_clk_hz: u32,
@ -48,7 +48,7 @@ pub enum CardType {
CardMmc,
}
impl SDIO {
impl Sdio {
/// Initialize SDIO0
/// card_detect means if we would use the card detect pin,
/// false to disable card detection (assume there is card inserted)
@ -121,7 +121,7 @@ impl SDIO {
slcr.sdio_clk_ctrl.enable_sdio0();
});
let clocks = Clocks::get();
let mut self_ = SDIO {
let mut self_ = Sdio {
regs: regs::RegisterBlock::sdio0(),
count_down: unsafe { super::timer::GlobalTimer::get() }.countdown(),
input_clk_hz: clocks.sdio_ref_clk(),

12
libboard_zynq/src/sdio/sd_card.rs
View File

@ -1,4 +1,4 @@
use super::{adma::Adma2DescTable, cmd, CardType, CmdTransferError, SDIO};
use super::{adma::Adma2DescTable, cmd, CardType, CmdTransferError, Sdio};
use libcortex_a9::cache;
use libregister::{RegisterR, RegisterRW, RegisterW};
use log::{trace, debug};
@ -37,7 +37,7 @@ enum CardVersion {
}
pub struct SdCard {
sdio: SDIO,
sdio: Sdio,
adma2_desc_table: Adma2DescTable,
card_version: CardVersion,
hcs: bool,
@ -171,8 +171,8 @@ impl SdCard {
Ok(())
}
/// Convert SDIO into SdCard struct, error if no card inserted or it is not an SD card.
pub fn from_sdio(mut sdio: SDIO) -> Result<Self, CardInitializationError> {
/// Convert Sdio into SdCard struct, error if no card inserted or it is not an SD card.
pub fn from_sdio(mut sdio: Sdio) -> Result<Self, CardInitializationError> {
match sdio.identify_card()? {
CardType::CardSd => (),
_ => return Err(CardInitializationError::NoCardInserted),
@ -192,8 +192,8 @@ impl SdCard {
Ok(_self)
}
/// Convert SdCard struct back to SDIO struct.
pub fn to_sdio(self) -> SDIO {
/// Convert SdCard struct back to Sdio struct.
pub fn to_sdio(self) -> Sdio {
self.sdio
}

4
libboard_zynq/src/slcr.rs
View File

@ -253,12 +253,12 @@ pub struct RegisterBlock {
pub ddriob_dci_ctrl: DdriobDciCtrl,
pub ddriob_dci_status: DdriobDciStatus,
}
register_at!(RegisterBlock, 0xF8000000, new);
register_at!(RegisterBlock, 0xF8000000, slcr);
impl RegisterBlock {
/// Required to modify any sclr register
pub fn unlocked<F: FnMut(&mut Self) -> R, R>(mut f: F) -> R {
let mut self_ = Self::new();
let mut self_ = Self::slcr();
self_.slcr_unlock.unlock();
let r = f(&mut self_);
self_.slcr_lock.lock();

5
libboard_zynq/src/stdio.rs
View File

@ -37,7 +37,10 @@ impl DerefMut for LazyUart {
fn deref_mut(&mut self) -> &mut Uart {
match self {
LazyUart::Uninitialized => {
let uart = Uart::serial(UART_RATE);
#[cfg(feature = "target_cora_z7_10")]
let uart = Uart::uart0(UART_RATE);
#[cfg(feature = "target_zc706")]
let uart = Uart::uart1(UART_RATE);
*self = LazyUart::Initialized(uart);
self
}

4
libboard_zynq/src/timer/global.rs
View File

@ -16,13 +16,13 @@ pub struct GlobalTimer {
impl GlobalTimer {
/// Get the potentially uninitialized timer
pub unsafe fn get() -> GlobalTimer {
let regs = mpcore::RegisterBlock::new();
let regs = mpcore::RegisterBlock::mpcore();
GlobalTimer { regs }
}
/// Get the timer with a reset
pub fn start() -> GlobalTimer {
let mut regs = mpcore::RegisterBlock::new();
let mut regs = mpcore::RegisterBlock::mpcore();
Self::reset(&mut regs);
GlobalTimer { regs }
}

48
libboard_zynq/src/uart/mod.rs
View File

@ -13,31 +13,8 @@ pub struct Uart {
}
impl Uart {
#[cfg(feature = "target_zc706")]
pub fn serial(baudrate: u32) -> Self {
slcr::RegisterBlock::unlocked(|slcr| {
// Route UART 1 RxD/TxD Signals to MIO Pins
// TX pin
slcr.mio_pin_48.write(
slcr::MioPin48::zeroed()
.l3_sel(0b111)
.io_type(slcr::IoBufferType::Lvcmos18)
.pullup(true)
);
// RX pin
slcr.mio_pin_49.write(
slcr::MioPin49::zeroed()
.tri_enable(true)
.l3_sel(0b111)
.io_type(slcr::IoBufferType::Lvcmos18)
.pullup(true)
);
});
Self::uart1(baudrate)
}
#[cfg(feature = "target_cora_z7_10")]
pub fn serial(baudrate: u32) -> Self {
pub fn uart0(baudrate: u32) -> Self {
slcr::RegisterBlock::unlocked(|slcr| {
// Route UART 0 RxD/TxD Signals to MIO Pins
// TX pin
@ -56,10 +33,7 @@ impl Uart {
.pullup(true)
);
});
Self::uart0(baudrate)
}
pub fn uart0(baudrate: u32) -> Self {
slcr::RegisterBlock::unlocked(|slcr| {
slcr.uart_rst_ctrl.reset_uart0();
slcr.aper_clk_ctrl.enable_uart0();
@ -72,7 +46,27 @@ impl Uart {
self_
}
#[cfg(feature = "target_zc706")]
pub fn uart1(baudrate: u32) -> Self {
slcr::RegisterBlock::unlocked(|slcr| {
// Route UART 1 RxD/TxD Signals to MIO Pins
// TX pin
slcr.mio_pin_48.write(
slcr::MioPin48::zeroed()
.l3_sel(0b111)
.io_type(slcr::IoBufferType::Lvcmos18)
.pullup(true)
);
// RX pin
slcr.mio_pin_49.write(
slcr::MioPin49::zeroed()
.tri_enable(true)
.l3_sel(0b111)
.io_type(slcr::IoBufferType::Lvcmos18)
.pullup(true)
);
});
slcr::RegisterBlock::unlocked(|slcr| {
slcr.uart_rst_ctrl.reset_uart1();
slcr.aper_clk_ctrl.enable_uart1();

4
libsupport_zynq/src/boot.rs
View File

@ -43,7 +43,7 @@ pub unsafe extern "C" fn Reset() -> ! {
unsafe fn boot_core0() -> ! {
l1_cache_init();
let mpcore = mpcore::RegisterBlock::new();
let mpcore = mpcore::RegisterBlock::mpcore();
mpcore.scu_invalidate.invalidate_all_cores();
zero_bss(&mut __bss_start, &mut __bss_end);
@ -68,7 +68,7 @@ unsafe fn boot_core0() -> ! {
unsafe fn boot_core1() -> ! {
l1_cache_init();
let mpcore = mpcore::RegisterBlock::new();
let mpcore = mpcore::RegisterBlock::mpcore();
mpcore.scu_invalidate.invalidate_core1();
let mmu_table = mmu::L1Table::get();