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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman Cc: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-block@vger.kernel.org, linux-wireless@vger.kernel.org, ath10k@lists.infradead.org, linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, daniel@makrotopia.org, Loic Poulain X-Mailer: b4 0.14.2 X-Proofpoint-GUID: 6ap7GmDDsS8S89GJzX0Knvn8RdansxKb X-Authority-Analysis: v=2.4 cv=R4gz39RX c=1 sm=1 tr=0 ts=69f0c2d5 cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=gjCkitBQ8UzLeNF7HDgA:9 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI4MDEzNiBTYWx0ZWRfXw65JcnM2yN5g VzYQolI+dVhlApR0A4R52VqIXvOvGksYBKNKAeli2+UGv/c4r5U8pDergeZb3XFJA28t7DuVD2+ 73RSFefS0NGS0jajunmdSPnyZDwCspKWrRm8yHsY0sEX3QPblsb/PHkodGBOG3Pzk6JkJ/+GL+q 5gkLya+w6L7fh832c8/MKGnk5hhYQKxolje7dTxG7pAJuwUfUMvhBYLqIqB9MmrfKLx9p43/CNz fhnPgbl7RwXIJcUTPsRTBkgyHPuS8o53JA2Yo9qlPngJwIolMv+VckamG7XzBdoRnLkWFKZokvB S9FzZ1pzDDzN41ba2LXOqA1ukuLsQOEHGdJ4mO33rRntD/B9djom0G6UIGwNP8Hf38dg+4uxsk7 HiCJ5fl35nj3bgp9vUaM3RMtDTlbVLac8lq+jKJsXbPQB8oM0TO7ZCXOdu1GPJii0cMC667JzRZ feRFi6+j3iiscPRk4xQ== X-Proofpoint-ORIG-GUID: 6ap7GmDDsS8S89GJzX0Knvn8RdansxKb X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-28_04,2026-04-28_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 impostorscore=0 spamscore=0 adultscore=0 bulkscore=0 phishscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604280136 On Arduino Uno-Q, the eMMC boot1 partition is factory provisioned with device-specific information such as the WiFi MAC address and the Bluetooth BD address. This partition can serve as an alternative to additional non-volatile memory, such as a dedicated EEPROM. The eMMC boot partitions are typically good candidates, as they are realively small, read-only by default (and can be enforced as hardware read-only), and are not affected by board reflashing procedures, which generally target the eMMC user or GP partitions. Describe the corresponding nvmem-layout for the WiFi and Bluetooth addresses. Signed-off-by: Loic Poulain --- arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts b/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts index bf088fa9807f040f0c8f405f9111b01790b09377..dc85cf94f71cac8666cab30ccf37cc2d2f8fd941 100644 --- a/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts +++ b/arch/arm64/boot/dts/qcom/qrb2210-arduino-imola.dts @@ -409,7 +409,31 @@ &sdhc_1 { no-sdio; no-sd; + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + card@0 { + compatible = "mmc-card"; + reg = <0>; + + partitions-boot1 { + nvmem-layout { + compatible = "fixed-layout"; + #address-cells = <1>; + #size-cells = <1>; + + wifi_mac_addr: mac-addr@4400 { + reg = <0x4400 0x6>; + }; + + bd_addr: bd-addr@5400 { + reg = <0x5400 0x6>; + }; + }; + }; + }; }; &spi5 { -- 2.34.1