diff -Nru u-boot-2021.01+dfsg/debian/changelog u-boot-2021.01+dfsg/debian/changelog
--- u-boot-2021.01+dfsg/debian/changelog	2021-07-30 16:38:17.000000000 +0200
+++ u-boot-2021.01+dfsg/debian/changelog	2021-09-21 17:55:38.000000000 +0200
@@ -1,3 +1,11 @@
+u-boot (2021.01+dfsg-3ubuntu0~20.04.4) focal; urgency=medium
+
+  * Raise CPU frequency to 1.2 GHz as used in upstream U-Boot in
+    d/p/0011-riscv-sifive-dts-fu740-Add-board-u-boot.dtsi-files.patch
+    (LP: #1941622) 
+
+ -- Heinrich Schuchardt <heinrich.schuchardt@canonical.com>  Tue, 21 Sep 2021 17:55:38 +0200
+
 u-boot (2021.01+dfsg-3ubuntu0~20.04.3) focal; urgency=medium
 
   * debian/u-boot-sifive.postinst: use correct target names for u-boot
diff -Nru u-boot-2021.01+dfsg/debian/patches/riscv64/0011-riscv-sifive-dts-fu740-Add-board-u-boot.dtsi-files.patch u-boot-2021.01+dfsg/debian/patches/riscv64/0011-riscv-sifive-dts-fu740-Add-board-u-boot.dtsi-files.patch
--- u-boot-2021.01+dfsg/debian/patches/riscv64/0011-riscv-sifive-dts-fu740-Add-board-u-boot.dtsi-files.patch	2021-07-27 11:51:09.000000000 +0200
+++ u-boot-2021.01+dfsg/debian/patches/riscv64/0011-riscv-sifive-dts-fu740-Add-board-u-boot.dtsi-files.patch	2021-09-21 17:55:38.000000000 +0200
@@ -34,7 +34,7 @@
 +/ {
 +	cpus {
 +		assigned-clocks = <&prci PRCI_CLK_COREPLL>;
-+		assigned-clock-rates = <1001000000>;
++		assigned-clock-rates = <1200000000>;
 +		u-boot,dm-spl;
 +		cpu0: cpu@0 {
 +			clocks = <&prci PRCI_CLK_COREPLL>;