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