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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: NXF11wzklQdSRDp-Ode2Db2hilvkeAgz X-Authority-Analysis: v=2.4 cv=PcrPQChd c=1 sm=1 tr=0 ts=69f0c2d5 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=gjCkitBQ8UzLeNF7HDgA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-ORIG-GUID: NXF11wzklQdSRDp-Ode2Db2hilvkeAgz X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI4MDEzNiBTYWx0ZWRfXy1zOqSZUETBp vg5MCMWVF4OUBlhsZ7ilD+n1WzDUvE1k3h1aXGMjBXQege/j6tdnFnv0jJPYDIdDDiuX3neXOv2 t6ub4pvLus63XXEZe9lR7+4/5hbsWmjY3UBduLHJxXAwQWm/2WSPPnC0co8604W/ze9++CAmjFj O8LV4/Mn+qeKrNbfOQ0xd+PDamSO3Rq5QC+uuMrUMJZ2jfBRWY/4Nqk/epzPlwQ8op/boF3HDqm T9IsNqY1PYI++WHz4MfLmJqwkQheTy54Tz8Y3NakRIXT3kfW5Rn4Jm4Oa3HvsbAsMYujPwjzg2O r8D1sC0y+rWXi0/ZaiHjp3UKgUhileDZxh97lYnK/SvfH5YEWs0Nt082jglCVN9uTl8Ihy50T3M aviYoiIaliHk4unNqFaIN8p7bGR/1wuFjhDy9qIeHhgHkjmPwYjm6vEFR2hTYIDcMbI5vnAhkD0 lezn6yfq/h2KJ4FNU1Q== 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 impostorscore=0 spamscore=0 lowpriorityscore=0 suspectscore=0 clxscore=1015 malwarescore=0 adultscore=0 priorityscore=1501 bulkscore=0 phishscore=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