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nanopi-air-bt: Load BT firmware according to chip revision

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NanoPi Neo Air commes with tho different BT/WiFi chip versions:
AP6212 or AP6212A.
This commit loads a different BT firmware based on the chip
revisions of this board.

Changelog-entry: nanopi-air-bt: Load BT firmware according to chip revision
Signed-off-by: Sebastian Panceac <sebastian@balena.io>
This commit is contained in:
Sebastian Panceac 2019-03-25 11:43:29 +01:00
parent 18891dbed7
commit 6b338fffb5
1 changed files with 8 additions and 1 deletions
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9
layers/meta-resin-allwinner/recipes-bsp/nanopi-air-bt/nanopi-air-bt/nanopi-air-bt-start
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@ -13,5 +13,12 @@ echo "Resetting BT chip"
echo 0 > /sys/class/gpio/gpio205/value
echo 1 > /sys/class/gpio/gpio205/value
/usr/bin/brcm_patchram_plus -d --patchram /lib/firmware/brcm/bcm43438a1.hcd --no2bytes --tosleep 5000 $1 > /tmp/brcm_log 2>&1
CHIP_REV=`dmesg | grep brcmfm | grep "chip 0x00a9a6" | awk '{print $11}'`
BT_FIRMWARE="bcm43438a0.hcd" # AP6212 chip
if [ "$CHIP_REV" = "0x000001" ]; then
BT_FIRMWARE="bcm43438a1.hcd" # AP6212A chip
fi
/usr/bin/brcm_patchram_plus -d --patchram /lib/firmware/brcm/$BT_FIRMWARE --no2bytes --tosleep 5000 $1 > /tmp/brcm_log 2>&1
hciattach -n $1 bcm43xx 115200 flow