3531702772
Near-mainline kernel is feature-complete since quite some time, so lets use that as a default also to simplify boot process, since downstream kernel depends on various blobs loaded into memory by the bootloader. Get rid of quirks required in boot process for mainline kernels also by using a near-mainline u-boot. Prepare for handling rev b devices. Keep Downstream kernel to be able to optimize/compare EPD operation
50 lines
1.7 KiB
Text
50 lines
1.7 KiB
Text
# Unmaintained: not needed by mainline kernel, describes only the hardware
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pkgname=firmware-kobo-clara-downstream
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pkgver=4.26.16704
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pkgrel=0
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pkgdesc="Kobo Clara firmware"
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url="https://wiki.mobileread.com/wiki/Kobo_Firmware_Releases"
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arch="armv7"
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license="proprietary"
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options="!check !archcheck !tracedeps pmb:cross-native"
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source="
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https://download.kobobooks.com/firmwares/kobo7/Feb2021/kobo-update-4.26.16704.zip
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hwcfg.bin
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"
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# Print given number as bytes in 32-bit little-endian
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_le32() {
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printf "%08x" "$1" | sed -E 's/(..)(..)(..)(..)/\\x\4\\x\3\\x\2\\x\1/'
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}
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# Print the magic header for the given file for Kobo u-boot
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_print_header() {
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length=$(stat -L -c %s "$1")
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dd bs=496 count=1 if=/dev/zero
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printf '\xff\xf5\xaf\xff\x78\x56\x34\x12%b\x00\x00\x00\x00' "$(_le32 "$length")"
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}
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build() {
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# Prepend a header to each firmware file loaded by u-boot
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for fw in hwcfg upgrade/mx6sll-ntx/ntxfw-E60K00 ; do
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out="$srcdir/$fw+header.bin"
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_print_header "$srcdir/$fw.bin" > "$out"
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cat "$srcdir/$fw.bin" >> "$out"
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done
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}
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package() {
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# Hardware description struct, passed to kernel by u-boot
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# See https://misc.andi.de1.cc/kobo/
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install -Dm644 "$srcdir/hwcfg+header.bin" \
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"$pkgdir/usr/share/firmware/kobo-clara/hwcfg+header.bin"
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# Value table for the 2-color lm3630 frontlight, passed to kernel by u-boot
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install -Dm644 "$srcdir/upgrade/mx6sll-ntx/ntxfw-E60K00+header.bin" \
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"$pkgdir/usr/share/firmware/kobo-clara/ntxfw-E60K00+header.bin"
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}
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sha512sums="
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c1f89e630777ebad282ad77f40355b5fb50ad3c8fa57ed624b89d53d4fbb788783ed60f85f6f848f786c8c5ea7dcb913d16446fa2a87d68f033277272799d149 kobo-update-4.26.16704.zip
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f7820b6c4624bab4bea92a0e2732cdaae8a37fbbe2ef823e61c48bb3e2400c70f7ee3c7945e7826f01653ba65f9a4034e884b985518fbcb84c8759c9c6351fad hwcfg.bin
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"
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