From 00c73d62ad1361ab5a814ab8844f13217027112a Mon Sep 17 00:00:00 2001
From: sago35 <sago35@gmail.com>
Date: Thu, 23 Sep 2021 13:49:55 +0900
Subject: [PATCH] rp2040: add CPUFrequency()

---
 src/machine/machine_rp2040_clocks.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/machine/machine_rp2040_clocks.go b/src/machine/machine_rp2040_clocks.go
index 9edaa2ed..7b272d77 100644
--- a/src/machine/machine_rp2040_clocks.go
+++ b/src/machine/machine_rp2040_clocks.go
@@ -14,6 +14,10 @@ const (
 	MHz = 1000000
 )
 
+func CPUFrequency() uint32 {
+	return 125 * MHz
+}
+
 // clockIndex identifies a hardware clock
 type clockIndex uint8