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author | Luca Ceresoli <luca@lucaceresoli.net> | 2019-05-24 15:40:02 +0200 |
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committer | Michal Simek <michal.simek@xilinx.com> | 2019-07-30 10:20:06 +0200 |
commit | 84a2c83263ff1a82ea9faf1fb2764e17a9de1bc3 (patch) | |
tree | 9d896e22ad76001703d272b874e8860f473becab | |
parent | 04d2b0c7c2e518c1d44a1347e709af004708dce4 (diff) | |
download | u-boot-84a2c83263ff1a82ea9faf1fb2764e17a9de1bc3.zip u-boot-84a2c83263ff1a82ea9faf1fb2764e17a9de1bc3.tar.gz u-boot-84a2c83263ff1a82ea9faf1fb2764e17a9de1bc3.tar.bz2 |
arm64: zynqmp: add tool to minimize psu_init_gpl.c files
This script transforms a pair of psu_init_gpl.c and .h files produced by
the Xilinx Vivado tool for ZynqMP into a smaller psu_init_gpl.c file that
is almost checkpatch compliant.
Based on a script by Michal Simek.
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
-rwxr-xr-x | tools/zynqmp_psu_init_minimize.sh | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/tools/zynqmp_psu_init_minimize.sh b/tools/zynqmp_psu_init_minimize.sh new file mode 100755 index 0000000..b0a07f9 --- /dev/null +++ b/tools/zynqmp_psu_init_minimize.sh @@ -0,0 +1,145 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0+ +# Copyright (C) 2018 Michal Simek <michal.simek@xilinx.com> +# Copyright (C) 2019 Luca Ceresoli <luca@lucaceresoli.net> + +usage() +{ + cat <<EOF + +Transform a pair of psu_init_gpl.c and .h files produced by the Xilinx +Vivado tool for ZynqMP into a smaller psu_init_gpl.c file that is almost +checkpatch compliant. Minor coding style might still be needed. Must be +run from the top-level U-Boot source directory. + +Usage: zynqmp_psu_init_minimize.sh INPUT_DIR OUTPUT_DIR +Example: zynqmp_psu_init_minimize.sh \\ + /path/to/original/psu_init_gpl_c_and_h/ \\ + board/xilinx/zynqmp/<my_board>/ + +Notes: INPUT_DIR must contain both .c and .h files. + If INPUT_DIR and OUTPUT_DIR are the same directory, + psu_init_gpl.c will be overwritten. + +EOF +} + +set -o errexit -o errtrace +set -o nounset + +if [ $# -ne 2 ] +then + usage >&2 + exit 1 +fi + +IN="${1}/psu_init_gpl.c" +OUT="${2}/psu_init_gpl.c" +TMP=$(mktemp /tmp/psu_init_gpl.XXXXXX) +trap "rm ${TMP}" ERR + +# Step through a temp file to allow both $IN!=$OUT and $IN==$OUT +sed -e '/sleep.h/d' \ + -e '/xil_io.h/d' \ + ${IN} >${TMP} +cp ${TMP} ${OUT} + +# preprocess to expand defines, then remove cpp lines starting with '#' +gcc -I${1} -E ${OUT} -o ${TMP} +sed '/^#/d' ${TMP} >${OUT} + +# Remove trivial code before psu_pll_init_data() +sed -ni '/psu_pll_init_data/,$p' ${OUT} + +# Functions are lowercase in U-Boot, rename them +sed -i 's/PSU_Mask_Write/psu_mask_write/g' ${OUT} +sed -i 's/mask_pollOnValue/mask_pollonvalue/g' ${OUT} +sed -i 's/RegValue/regvalue/g' ${OUT} +sed -i 's/MaskStatus/maskstatus/g' ${OUT} + +sed -i '/&= psu_peripherals_powerdwn_data()/d' ${OUT} + +FUNCS_TO_REMOVE="psu_protection +psu_..._protection +psu_init_xppu_aper_ram +mask_delay(u32 +mask_read(u32 +dpll_prog +mask_poll(u32 +mask_pollonvalue(u32 +psu_ps_pl_reset_config_data +psu_ps_pl_isolation_removal_data +psu_apply_master_tz +psu_post_config_data +psu_post_config_data +psu_peripherals_powerdwn_data +psu_init_ddr_self_refresh +xmpu +xppu +" +for i in $FUNCS_TO_REMOVE; do +sed -i "/$i/,/^}$/d" ${OUT} +done + +scripts/Lindent ${OUT} + +# Prepend 'static' to internal functions +sed -i 's/^.*data(void)$/static &/g' ${OUT} +sed -i 's/^.*psu_afi_config(void)$/static &/g' ${OUT} +sed -i 's/^void init_peripheral/static &/g' ${OUT} +sed -i 's/^int serdes/static &/g' ${OUT} +sed -i 's/^int init_serdes/static &/g' ${OUT} +sed -i 's/^unsigned long /static &/g' ${OUT} + +sed -i 's/()$/(void)/g' ${OUT} +sed -i 's/0X/0x/g' ${OUT} + +# Add header +cat << EOF >${TMP} +// SPDX-License-Identifier: GPL-2.0+ +/* + * (c) Copyright 2015 Xilinx, Inc. All rights reserved. + */ + +#include <asm/arch/psu_init_gpl.h> +#include <xil_io.h> + +EOF + +cat ${OUT} >>${TMP} +cp ${TMP} ${OUT} + +# Temporarily convert newlines to do some mangling across lines +tr "\n" "\r" <${OUT} >${TMP} + +# Cleanup empty loops. E.g.: +# |while (e) {| +# | | ==> |while (e)| +# | } | | ; | +# | | +sed -i -r 's| \{\r+(\t*)\}\r\r|\n\1\t;\n|g' ${TMP} + +# Remove empty line between variable declaration +sed -i -r 's|\r(\r\t(unsigned )?int )|\1|g' ${TMP} + +# Remove empty lines at function beginning/end +sed -i -e 's|\r{\r\r|\r{\r|g' ${TMP} +sed -i -e 's|\r\r}\r|\r}\r|g' ${TMP} + +# Remove empty lines after '{' line +sed -i -e 's| {\r\r| {\r|g' ${TMP} + +# Remove braces {} around single statement blocks. E.g.: +# | while (e) { | | while (e) | +# | stg(); | => | stg();| +# | } | +sed -i -r 's| \{(\r[^\r]*;)\r\t*\}|\1|g' ${TMP} + +# Remove Unnecessary parentheses around 'n_code <= 0x3C' and similar. E.g.: +# if ((p_code >= 0x26) && ...) -> if (p_code >= 0x26 && ...) +sed -i -r 's|\((._code .= [x[:xdigit:]]+)\)|\1|g' ${TMP} + +# Convert back newlines +tr "\r" "\n" <${TMP} >${OUT} + +rm ${TMP} |