l2 cache init now done in user app

examples/zedboard/src/bin/ethernet.rs

@@ -48,6 +48,7 @@ use zynq7000_hal::{
     gic::{GicConfigurator, GicInterruptHelper, Interrupt},
     gpio::{GpioPins, Output, PinState},
     gtc::Gtc,
+    l2_cache,
     uart::{ClkConfigRaw, Uart, UartConfig},
 };
 
@@ -208,14 +209,17 @@ async fn tcp_task(mut tcp: TcpSocket<'static>) -> ! {
 #[embassy_executor::main]
 #[unsafe(export_name = "main")]
 async fn main(spawner: Spawner) -> ! {
+    let mut dp = PsPeripherals::take().unwrap();
+    l2_cache::init_with_defaults(&mut dp.l2c);
+
+    // Enable PS-PL level shifters.
+    configure_level_shifter(LevelShifterConfig::EnableAll);
+
     // Configure the uncached memory region using the MMU.
     mmu_l1_table_mut()
         .update(UNCACHED_ADDR, SHAREABLE_DEVICE)
         .expect("configuring uncached memory section failed");
 
-    // Enable PS-PL level shifters.
-    configure_level_shifter(LevelShifterConfig::EnableAll);
-    let dp = PsPeripherals::take().unwrap();
     // Clock was already initialized by PS7 Init TCL script or FSBL, we just read it.
     let clocks = Clocks::new_from_regs(PS_CLOCK_FREQUENCY).unwrap();
     // Set up the global interrupt controller.

examples/zedboard/src/bin/l3gd20h-i2c-mio.rs

@@ -24,7 +24,7 @@ use zynq7000_hal::{
     gic::{GicConfigurator, GicInterruptHelper, Interrupt},
     gpio::{GpioPins, Output, PinState},
     gtc::Gtc,
-    i2c,
+    i2c, l2_cache,
     time::Hertz,
     uart,
 };
@@ -48,9 +48,12 @@ pub extern "C" fn boot_core(cpu_id: u32) -> ! {
 #[embassy_executor::main]
 #[unsafe(export_name = "main")]
 async fn main(_spawner: Spawner) -> ! {
+    let mut dp = PsPeripherals::take().unwrap();
+    l2_cache::init_with_defaults(&mut dp.l2c);
+
     // Enable PS-PL level shifters.
     configure_level_shifter(LevelShifterConfig::EnableAll);
-    let dp = PsPeripherals::take().unwrap();
+
     // Clock was already initialized by PS7 Init TCL script or FSBL, we just read it.
     let clocks = Clocks::new_from_regs(PS_CLOCK_FREQUENCY).unwrap();
 

examples/zedboard/src/bin/l3gd20h-spi-mio.rs

@@ -24,6 +24,7 @@ use zynq7000_hal::{
     gic::{GicConfigurator, GicInterruptHelper, Interrupt},
     gpio::{GpioPins, Output, PinState},
     gtc::Gtc,
+    l2_cache,
     spi::{self, SpiAsync, SpiId, SpiWithHwCs, SpiWithHwCsAsync, on_interrupt},
     time::Hertz,
     uart::{self, TxAsync, on_interrupt_tx},
@@ -50,9 +51,12 @@ pub extern "C" fn boot_core(cpu_id: u32) -> ! {
 #[embassy_executor::main]
 #[unsafe(export_name = "main")]
 async fn main(spawner: Spawner) -> ! {
+    let mut dp = PsPeripherals::take().unwrap();
+    l2_cache::init_with_defaults(&mut dp.l2c);
+
     // Enable PS-PL level shifters.
     configure_level_shifter(LevelShifterConfig::EnableAll);
-    let dp = PsPeripherals::take().unwrap();
+
     // Clock was already initialized by PS7 Init TCL script or FSBL, we just read it.
     let mut clocks = Clocks::new_from_regs(PS_CLOCK_FREQUENCY).unwrap();
 

examples/zedboard/src/bin/uart-blocking.rs

@@ -19,6 +19,7 @@ use zynq7000_hal::{
     gic::{GicConfigurator, GicInterruptHelper, Interrupt},
     gpio::{GpioPins, Output, PinState},
     gtc::Gtc,
+    l2_cache,
     uart::{ClkConfigRaw, Uart, UartConfig},
 };
 
@@ -100,9 +101,11 @@ impl UartMultiplexer {
 #[embassy_executor::main]
 #[unsafe(export_name = "main")]
 async fn main(_spawner: Spawner) -> ! {
+    let mut dp = PsPeripherals::take().unwrap();
+    l2_cache::init_with_defaults(&mut dp.l2c);
+
     // Enable PS-PL level shifters.
     configure_level_shifter(LevelShifterConfig::EnableAll);
-    let dp = PsPeripherals::take().unwrap();
     // Clock was already initialized by PS7 Init TCL script or FSBL, we just read it.
     let clocks = Clocks::new_from_regs(PS_CLOCK_FREQUENCY).unwrap();
     // Set up the global interrupt controller.

examples/zedboard/src/bin/uart-non-blocking.rs

@@ -45,6 +45,7 @@ use zynq7000_hal::{
     gic::{GicConfigurator, GicInterruptHelper, Interrupt},
     gpio::{GpioPins, Output, PinState},
     gtc::Gtc,
+    l2_cache,
     time::Hertz,
     uart::{ClkConfigRaw, Uart, UartConfig},
 };
@@ -165,9 +166,12 @@ impl UartMultiplexer {
 #[embassy_executor::main]
 #[unsafe(export_name = "main")]
 async fn main(spawner: Spawner) -> ! {
+    let mut dp = PsPeripherals::take().unwrap();
+    l2_cache::init_with_defaults(&mut dp.l2c);
+
     // Enable PS-PL level shifters.
     configure_level_shifter(LevelShifterConfig::EnableAll);
-    let dp = PsPeripherals::take().unwrap();
+
     // Clock was already initialized by PS7 Init TCL script or FSBL, we just read it.
     let clocks = Clocks::new_from_regs(PS_CLOCK_FREQUENCY).unwrap();
     // Set up the global interrupt controller.

examples/zedboard/src/main.rs

@@ -16,6 +16,7 @@ use zynq7000_hal::{
     gic::{GicConfigurator, GicInterruptHelper, Interrupt},
     gpio::{GpioPins, Output, PinState},
     gtc::Gtc,
+    l2_cache,
     uart::{ClkConfigRaw, Uart, UartConfig},
 };
 
@@ -36,9 +37,12 @@ pub extern "C" fn boot_core(cpu_id: u32) -> ! {
 #[embassy_executor::main]
 #[unsafe(export_name = "main")]
 async fn main(_spawner: Spawner) -> ! {
+    let mut dp = PsPeripherals::take().unwrap();
+    l2_cache::init_with_defaults(&mut dp.l2c);
+
     // Enable PS-PL level shifters.
     configure_level_shifter(LevelShifterConfig::EnableAll);
-    let dp = PsPeripherals::take().unwrap();
+
     // Clock was already initialized by PS7 Init TCL script or FSBL, we just read it.
     let clocks = Clocks::new_from_regs(PS_CLOCK_FREQUENCY).unwrap();
     // Set up the global interrupt controller.