From f2327dc7b7b5b18a3bce204d5b38751ed1817d85 Mon Sep 17 00:00:00 2001
From: Matt Mets <matt@blinkinlabs.com>
Date: Sun, 1 Dec 2024 23:38:49 +0100
Subject: [PATCH] Initialize the tick source for timer0

---
 src/machine/machine_rp2.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/machine/machine_rp2.go b/src/machine/machine_rp2.go
index d24ef12613..a468fb6ba0 100644
--- a/src/machine/machine_rp2.go
+++ b/src/machine/machine_rp2.go
@@ -57,6 +57,12 @@ func machineInit() {
 
 	// Peripheral clocks should now all be running
 	unresetBlockWait(RESETS_RESET_Msk)
+
+    // RP2350 only
+    // Configure tick generator source for TIMER0
+    rp.TICKS.SetTIMER0_CTRL_ENABLE(0)
+    rp.TICKS.SetTIMER0_CYCLES(12)
+    rp.TICKS.SetTIMER0_CTRL_ENABLE(1)
 }
 
 //go:linkname ticks runtime.machineTicks