Affe Null
2504124b25
Part-of: https://gitlab.postmarketos.org/postmarketOS/pmaports/-/merge_requests/6426 [ci:skip-build]: already built successfully in CI
86 lines
1.7 KiB
Bash
86 lines
1.7 KiB
Bash
#!/bin/sh
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log() {
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logger -p daemon.info -t firmware "$@"
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}
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load_error() {
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log "Failed to load $FIRMWARE for $DEVPATH"
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echo "-1" > "/sys$DEVPATH/loading"
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}
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load_blockdev() {
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local blockdev length offset dd_args
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blockdev=$1
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length=$2
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offset=$3
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dd_args="status=none bs=512"
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if [ -n "$length" ]; then
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dd_args="$dd_args count=$((length / 512))"
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fi
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if [ -n "$offset" ]; then
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dd_args="$dd_args skip=$((offset / 512))"
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fi
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log "Loading firmware from $blockdev"
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if [ ! -e "$blockdev" ]; then
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load_error
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else
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echo 1 > "/sys$DEVPATH/loading"
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dd if="$blockdev" of="/sys$DEVPATH/data" $dd_args
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echo 0 > "/sys$DEVPATH/loading"
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log "Loading firmware complete"
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fi
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}
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load_partition() {
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local blockdev
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blockdev=/dev/disk/by-partlabel/$1
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shift
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load_blockdev $blockdev "$@"
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}
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load_zeros() {
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load_blockdev /dev/zero $1
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}
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log "Attempting to load firmware $FIRMWARE for $DEVPATH"
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if [ -e "/sys$DEVPATH/loading" ]; then
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case "$FIRMWARE" in
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sprd/l_modem.bin)
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load_partition l_modem_a 0x1380000
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;;
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sprd/l_deltanv.bin)
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load_partition l_deltanv_a 0x20000
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;;
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sprd/l_fixnv.bin)
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load_partition l_fixnv2_a 0x100000 0x200
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;;
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sprd/l_runtimenv.bin)
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# Do not actually load the NV. The modem generates a valid
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# NV if one does not exist. This script is only used to load
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# the NV if /lib/firmware/sprd/l_runtimenv.bin is missing,
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# which can be created by the NV item daemon after the modem
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# generates the NV.
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load_zeros 0x120000
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;;
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sprd/l_gdsp.bin)
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load_partition l_gdsp_a 0x440000
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;;
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sprd/l_ldsp.bin)
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load_partition l_ldsp_a 0xb00000
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;;
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sprd/pm_sys.bin)
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load_partition pm_sys_a
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;;
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*)
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load_error
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;;
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esac
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fi
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