From: Stefan Herbrechtsmeier <stefan.herbrechtsme...@weidmueller.com>
There is no reason to do serial initialization. Uart driver does it
already based on DT. Good effect is that it is clear which interface is
console.
The resulting change was done in past by commit 84d2bbf082fa ("arm64:
zynqmp: Remove low level UART setting").
Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsme...@weidmueller.com>
---
(no changes since v1)
tools/zynqmp_psu_init_minimize.sh | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/tools/zynqmp_psu_init_minimize.sh
b/tools/zynqmp_psu_init_minimize.sh
index 4ee418f07e..31fbeac327 100755
--- a/tools/zynqmp_psu_init_minimize.sh
+++ b/tools/zynqmp_psu_init_minimize.sh
@@ -2,6 +2,8 @@
# SPDX-License-Identifier: GPL-2.0+
# Copyright (C) 2018 Michal Simek <michal.si...@xilinx.com>
# Copyright (C) 2019 Luca Ceresoli <l...@lucaceresoli.net>
+# Copyright (C) 2022 Weidmüller Interface GmbH & Co. KG
+# Stefan Herbrechtsmeier <stefan.herbrechtsme...@weidmueller.com>
usage()
{
@@ -144,4 +146,19 @@ sed -i -r 's|\((._code .= [x[:xdigit:]]+)\)|\1|g' ${TMP}
# Convert back newlines
tr "\r" "\n" <${TMP} >${OUT}
+# Remove unnecessary settings
+# - Low level UART
+SETTINGS_TO_REMOVE="0xFF000000
+0xFF000004
+0xFF000018
+0xFF000034
+0xFF010000
+0xFF010004
+0xFF010018
+0xFF010034
+"
+for i in $SETTINGS_TO_REMOVE; do
+sed -i "/^\tpsu_mask_write($i,.*$/d" ${OUT}
+done
+
rm ${TMP}
--
2.30.2
