From 53087e0ef4562ae2f8f48e72c73a547127a74bcc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert=20J=C3=B6rdens?= <rj@quartiq.de>
Date: Wed, 28 Jul 2021 11:50:14 +0000
Subject: [PATCH] setup: explicitly use hclk for spi

---
 src/hardware/setup.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hardware/setup.rs b/src/hardware/setup.rs
index 61b9a2d..36d9d06 100644
--- a/src/hardware/setup.rs
+++ b/src/hardware/setup.rs
@@ -200,6 +200,8 @@ pub fn setup(
         .d2ccip1r
         .modify(|_, w| w.spi123sel().pll2_p().spi45sel().pll2_q());
 
+    device.RCC.d1ccipr.modify(|_, w| w.qspisel().rcc_hclk3());
+
     let rcc = device.RCC.constrain();
     let ccdr = rcc
         .use_hse(8.mhz())