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Posted to commits@nuttx.apache.org by "linguini1 (via GitHub)" <gi...@apache.org> on 2025/09/01 18:51:35 UTC

[I] [FEATURE] RPi 4B Ethernet networking [nuttx]

linguini1 opened a new issue, #16953:
URL: https://github.com/apache/nuttx/issues/16953

   ### Is your feature request related to a problem? Please describe.
   
   There is currently no Ethernet networking support for the RPi 4B.
   
   ### Describe the solution you'd like
   
   I would like Ethernet networking support to be implemented for the Pi 4B so that users can use all of the NuttX networking stack on this device.
   
   ### Describe alternatives you've considered
   
   _No response_
   
   ### Verification
   
   - [x] I have verified before submitting the report.


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Re: [I] [FEATURE] RPi 4B Ethernet networking [nuttx]

Posted by "linguini1 (via GitHub)" <gi...@apache.org>.
linguini1 commented on issue #16953:
URL: https://github.com/apache/nuttx/issues/16953#issuecomment-4857014549

   Ethernet transceiver: BCM54213PE
   
   https://www.broadcom.com/products/ethernet-connectivity/phy-and-poe/copper/gigabit/bcm54213pe?source=post_page---------------------------


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Re: [I] [FEATURE] RPi 4B Ethernet networking [nuttx]

Posted by "linguini1 (via GitHub)" <gi...@apache.org>.
linguini1 commented on issue #16953:
URL: https://github.com/apache/nuttx/issues/16953#issuecomment-4661975356

   Device tree files:
   https://github.com/raspberrypi/linux/blob/rpi-6.18.y/arch/arm/boot/dts/broadcom/bcm2711-rpi-4-b.dts
   
   Genet driver:
   https://github.com/raspberrypi/linux/blob/rpi-5.4.y/drivers/net/ethernet/broadcom/genet/bcmgenet.c


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Re: [I] [FEATURE] RPi 4B Ethernet networking [nuttx]

Posted by "linguini1 (via GitHub)" <gi...@apache.org>.
linguini1 commented on issue #16953:
URL: https://github.com/apache/nuttx/issues/16953#issuecomment-4857034009

   OpenBSD: https://github.com/openbsd/src/blob/master/sys/dev/ic/bcmgenet.c
   U-boot: https://github.com/u-boot/u-boot/blob/master/drivers/net/bcmgenet.c


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Re: [I] [FEATURE] RPi 4B Ethernet networking [nuttx]

Posted by "linguini1 (via GitHub)" <gi...@apache.org>.
linguini1 commented on issue #16953:
URL: https://github.com/apache/nuttx/issues/16953#issuecomment-4877651168

   What looks to be a mostly AI-generated version of the driver for Zephyr: https://github.com/zephyrproject-rtos/zephyr/commit/fc2b0341250c952997543e5c86ae7ba02efe2c9a


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