Re: [PATCH v3 4/5] bcma: add host driver for the BCM6362 integrated WLAN backplane

[Florian Fainelli]

On 11/3/2026 3:31 PM, Alessio Ferri wrote:
> The BCM6362 integrates a WLAN macro on a dedicated bcma backplane.
> CFE leaves the macro clock gated and in reset, the backplane is
> a big-endian peripheral, and none of the cores has a wrapper:
> gating and reset of ChipCommon and of the 802.11 core go through
> per-core control registers in a separate WLAN control block.
>
> Add a host driver for it that:
>
>    - maps the ChipCommon and WLAN control register blocks;
>    - enables the clock, cycles the WLAN and WLAN UBUS resets and runs the
>      macro enable sequence bcma touches the backplane;
>    - provides big-endian register and block I/O ops;
>    - emulates BCMA_IOCTL, BCMA_IOST, BCMA_RESET_CTL and BCMA_RESET_ST
>      on top of the per-core control registers. The PHY bits of
>      BCMA_IOST report what b43 needs to hear;
>    - sets the big_endian and wrapperless bus flags before scanning.
>
> As for the PCI and generic SoC hosts, the driver is linked into
> bcma.ko and registered from bcma_modinit().
>
> Add a MAINTAINERS entry for the driver and its binding.
>
> The 802.11 core (rev 0x16) is handled by b43 once a SPROM is
> available; on this SoC it is not stored on the chip and has to be
> provided. In openwrt i use 6362-sprom plus fixups.
>
> Signed-off-by: Alessio Ferri <alessio.ferri@xxxxxxxxxxx>

Very neat, with Philip's comment addressed:

Reviewed-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
--
Florian