system76-firmware-open/scripts/coreboot-gpio.sh
2021-04-15 11:56:23 -06:00

115 lines
2.6 KiB
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Executable File

#!/usr/bin/env bash
set -e
if [ ! -e "$1" ]
then
echo "$0 [coreboot-collector output]"
exit 1
fi
cat <<"EOF"
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef MAINBOARD_GPIO_H
#define MAINBOARD_GPIO_H
#include <soc/gpe.h>
#include <soc/gpio.h>
#ifndef __ACPI__
/* Pad configuration in ramstage. */
static const struct pad_config gpio_table[] = {
EOF
grep ^GP "$1" | \
cut -d ' ' -f1,3,4 | \
sort -V | \
while read line
do
parts=()
for part in $line
do
parts+=("$part")
done
parts[1]="$(printf '0x%08x' "$((${parts[1]} & 0xfffffffd))")"
parts[2]="$(printf '0x%04x' "$((${parts[2]} & 0x00003c00))")"
case "${parts[1]}" in
0x0???????)
reset="PWROK" # RSMRST?
;;
0x4???????)
reset="DEEP"
;;
0x8???????)
reset="PLTRST"
;;
*)
reset="TODO_${parts[1]}"
;;
esac
case "${parts[2]}" in
0x0000)
term="NONE"
;;
0x1000)
term="DN_20K"
;;
0x3000)
term="UP_20K"
;;
0x3c00)
term="NATIVE"
;;
*)
term="TODO_${parts[2]}"
;;
esac
case "${parts[1]}" in
0x??000000 | 0x??000200)
if [ "${term}" = "NONE" ]; then
echo -e "\tPAD_CFG_GPO(${parts[0]}, 0, ${reset}),"
else
echo -e "\tPAD_CFG_TERM_GPO(${parts[0]}, 0, ${term}, ${reset}),"
fi
;;
0x??000001 | 0x??000201)
if [ "${term}" = "NONE" ]; then
echo -e "\tPAD_CFG_GPO(${parts[0]}, 1, ${reset}),"
else
echo -e "\tPAD_CFG_TERM_GPO(${parts[0]}, 1, ${term}, ${reset}),"
fi
;;
0x??000100)
echo -e "\tPAD_CFG_GPI(${parts[0]}, ${term}, ${reset}),"
;;
0x4?000300)
echo -e "\tPAD_NC(${parts[0]}, ${term}),"
;;
0x??000400 | 0x??000500 | 0x??000600 | 0x??000700)
echo -e "\tPAD_CFG_NF(${parts[0]}, ${term}, ${reset}, NF1),"
;;
0x??000800 | 0x??000900 | 0x??000a00 | 0x??000b00)
echo -e "\tPAD_CFG_NF(${parts[0]}, ${term}, ${reset}, NF2),"
;;
0x??000c00 | 0x??000d00 | 0x??000e00 | 0x??000f00)
echo -e "\tPAD_CFG_NF(${parts[0]}, ${term}, ${reset}, NF3),"
;;
*)
echo -e "\t_PAD_CFG_STRUCT(${parts[0]}, ${parts[1]}, ${parts[2]}),"
;;
esac
done
cat <<"EOF"
};
#endif
#endif
EOF