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Re: AP6335 with mainline kernel

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Hi Arend,

On Thu, Sep 21, 2017 at 4:26 AM, Arend van Spriel
<arend.vanspriel@xxxxxxxxxxxx> wrote:
> On 20-09-17 21:33, Vanessa Ayumi Maegima wrote:
>>
>> Hi,
>>
>> I am trying to enable Wifi on imx7d-pico using mainline kernel. imx7d-pico
>> has an AP6335 chip.
>>
>> I am facing some issues related to the nvram file. I am using the firmware
>> provided by Buildroot (brcmfmac4339-sdio.bin). I get the following error:
>>
>> [    8.630380] brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000):
>> clkctl 0x50
>>
>> I have tried to use the firmware and nvram provided by TechNexion but I
>> get
>> the same error.
>>
>> Is there anyone that could enable Wifi on AP6335 using kernel mainline?
>> What nvram file was used?
>>
>> I am able to use Wifi on the board if I use the firmware, nvram file and
>> kernel
>> provided by TechNexion. They use a 4.1 kernel from NXP with the bcmdhd
>> driver.
>>
>> So I know that the hardware is functional.
>>
>> Any suggestions as how to get it working with a 4.13 and brcmfmac driver
>> is
>> appreciated.
>
>
> So the nvram file is specific to the wifi chipset on your platform so best
> to stick with the provided one. The "HT Avail timeout" most often is an
> indication that the firmware crashed. So getting more debug output would
> help us understand how it ended up like that. Can you build the brcmfmac
> with CONFIG_BRCMDBG and load the driver using:
>
> $ insmod brcmfmac.ko debug=0x1416

Thanks for the reply!

Here is the log (using 4.14-rc1):

# dmesg | grep brcmfmac
[   19.297206] brcmfmac: brcmfmac_module_init No platform data available.
[   19.307075] brcmfmac: brcmf_sdio_probe Enter
[   19.308384] brcmfmac: F1 signature read @0x18000000=0x16224335
[   19.309026] brcmfmac: brcmf_chip_recognition found AXI chip: BCM4339, rev=2
[   19.317115] brcmfmac: brcmf_chip_cores_check  [1 ] core 0x800:46
base 0x18000000 wrap 0x18100000
[   19.317141] brcmfmac: brcmf_chip_cores_check  [2 ] core 0x812:46
base 0x18001000 wrap 0x18101000
[   19.317165] brcmfmac: brcmf_chip_cores_check  [3 ] core 0x83e:4
base 0x18002000 wrap 0x18102000
[   19.317188] brcmfmac: brcmf_chip_cores_check  [4 ] core 0x83c:4
base 0x18003000 wrap 0x18103000
[   19.317210] brcmfmac: brcmf_chip_cores_check  [5 ] core 0x81a:20
base 0x18004000 wrap 0x18104000
[   19.317233] brcmfmac: brcmf_chip_cores_check  [6 ] core 0x829:21
base 0x18005000 wrap 0x18105000
[   19.317256] brcmfmac: brcmf_chip_cores_check  [7 ] core 0x135:0
base 0x00000000 wrap 0x18109000
[   19.317279] brcmfmac: brcmf_chip_cores_check  [8 ] core 0x240:0
base 0x00000000 wrap 0x00000000
[   19.317298] brcmfmac: brcmf_chip_set_passive Enter
[   19.322232] brcmfmac: brcmf_chip_get_raminfo RAM: base=0x180000
size=786432 (0xc0000) sr=0 (0x0)
[   19.322457] brcmfmac: brcmf_chip_setup ccrev=46, pmurev=23,
pmucaps=0x39cc5f17
[   19.322481] brcmfmac: brcmf_get_module_param Enter, bus=0, chip=17209, rev=2
[   19.322504] brcmfmac: brcmf_sdiod_sgtable_alloc nents=35
[   19.322531] brcmfmac: brcmf_sdio_kso_init Enter
[   19.322618] brcmfmac: brcmf_sdio_drivestrengthinit No SDIO driver
strength init needed for chip 43
39 rev 2 pmurev 23
[   19.323235] brcmfmac: brcmf_attach Enter
[   19.323725] brcmfmac: brcmf_proto_attach Enter
[   19.323769] brcmfmac: brcmf_fweh_register event handler registered
for PSM_WATCHDOG
[   19.324306] brcmfmac: brcmf_sdio_probe completed!!
[   19.324337] brcmfmac: brcmf_fw_map_chip_to_name: using
brcm/brcmfmac4339-sdio.bin for chip 0x00433
9(17209) rev 0x000002
[   19.335353] brcmfmac: brcmf_fw_get_firmwares_pcie enter: dev=mmc0:0001:1
[   19.351787] brcmfmac: brcmf_fw_request_code_done enter: dev=mmc0:0001:1
[   19.353202] brcmfmac: brcmf_fw_request_nvram_done enter: dev=mmc0:0001:1
[   19.353424] brcmfmac: brcmf_sdio_firmware_callback Enter:
dev=mmc0:0001:1, err=0
[   19.353814] brcmfmac: brcmf_sdio_download_code_file Enter
[   19.388586] brcmfmac: brcmf_sdio_verifymemory Compare RAM dl & ul
at 0x00180000; size=493599
[   19.546675] brcmfmac: brcmf_sdio_download_nvram Enter
[   19.547432] brcmfmac: brcmf_sdio_verifymemory Compare RAM dl & ul
at 0x0023f730; size=2256
[   19.548665] brcmfmac: brcmf_chip_set_active Enter
[   20.562974] brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000):
clkctl 0x50
[   20.570490] brcmfmac: brcmf_sdio_firmware_callback failed:
dev=mmc0:0001:1, err=0
[   20.570739] brcmfmac: brcmf_sdio_remove Enter
[   20.570775] brcmfmac: brcmf_detach Enter
[   20.610414] brcmfmac: brcmf_bus_change_state 0 -> 0
[   20.610441] brcmfmac: brcmf_sdio_bus_stop Enter
[   21.622477] brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000):
clkctl 0x50
[   21.630912] brcmfmac: brcmf_proto_detach Enter
[   21.630967] brcmfmac: brcmf_fweh_unregister event handler cleared
for PSM_WATCHDOG
[   22.642457] brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000):
clkctl 0x50
[   22.680131] brcmfmac: brcmf_chip_set_passive Enter
[   22.682580] brcmfmac: brcmf_sdio_remove Disconnected

>
> Regards,
> Arend
>>
>> Thanks!
>>
>> Regards,
>> Vanessa
>>
>



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