From: Stefan Herbrechtsmeier stefan.herbrechtsmeier@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.herbrechtsmeier@weidmueller.com ---
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.simek@xilinx.com # Copyright (C) 2019 Luca Ceresoli luca@lucaceresoli.net +# Copyright (C) 2022 Weidmüller Interface GmbH & Co. KG +# Stefan Herbrechtsmeier stefan.herbrechtsmeier@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}