From 831079f95fa54b88d1ea8d37bc6fc19cd62c3e26 Mon Sep 17 00:00:00 2001
From: mwojcik <mw@m-labs.hk>
Date: Thu, 19 Jan 2023 14:22:22 +0800
Subject: [PATCH] rtio_clocking: PLL requires a bit more time to lock

---
 src/runtime/src/main.rs          | 4 ++--
 src/runtime/src/rtio_clocking.rs | 5 +++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/runtime/src/main.rs b/src/runtime/src/main.rs
index 956a81d..b83b2a4 100644
--- a/src/runtime/src/main.rs
+++ b/src/runtime/src/main.rs
@@ -111,6 +111,8 @@ pub fn main_core0() {
     ram::init_alloc_core0();
     gic::InterruptController::gic(mpcore::RegisterBlock::mpcore()).enable_interrupts();
 
+    info!("gateware ident: {}", identifier_read(&mut [0; 64]));
+
     i2c::init();
 
     #[cfg(feature = "target_kasli_soc")]
@@ -141,9 +143,7 @@ pub fn main_core0() {
     };
 
     rtio_clocking::init(&mut timer, &cfg);
-
     init_gateware();
-    info!("gateware ident: {}", identifier_read(&mut [0; 64]));
 
     task::spawn(report_async_rtio_errors());
 
diff --git a/src/runtime/src/rtio_clocking.rs b/src/runtime/src/rtio_clocking.rs
index 732ee32..4e15347 100644
--- a/src/runtime/src/rtio_clocking.rs
+++ b/src/runtime/src/rtio_clocking.rs
@@ -72,12 +72,13 @@ fn init_rtio(timer: &mut GlobalTimer, _clk: RtioClock) {
     unsafe {
         pl::csr::sys_crg::clock_switch_write(1);
     }
-    timer.delay_ms(2);
+    timer.delay_ms(10);
+    // if it's not locked, it will hang at the CSR.
     unsafe {
         pl::csr::rtio_core::reset_phy_write(1);
     }
-    // if it's not locked, it will hang at the CSR.
     info!("SYS PLL locked");
+    
 }
 
 #[cfg(has_drtio)]