Bug#1065611: Additional support for SolidRun HoneyComb
Hi Diederik,
May I ask if you are analyzing dts manually, or whether you are aware
of an automatic tool?
sincerely
Josua Mayer
Am 12.03.24 um 18:04 schrieb Diederik de Haas:
> Hi Josua,
>
> On Tuesday, 12 March 2024 16:28:06 CET Josua Mayer wrote:
>> I believe I found the answer:
>> EDAC_MPC85XX is for power-pc only,
>> EDAC_LAYERSCAPE is for arm (see drivers/edac/layerscape_edac.c).
> You're right. In the commit I referenced earlier (ea2eb9a8b6207ee4),
> I misinterpreted the commit message.
> That commit also created ``drivers/edac/fsl_ddr_edac.c`` which got the arch
> independent (or at least dual arch) parts. Its header has this:
> ```
> * Support Power-based SoCs including MPC85xx, MPC86xx, MPC83xx and
> * ARM-based Layerscape SoCs including LS2xxx. Originally split
> * out from mpc85xx_edac EDAC driver.
> ```
>
>> Am 12.03.24 um 16:13 schrieb Josua Mayer:
>>> Thank you for taking care of this!
>>> First the additional changes you found seem reasonable.
> Excellent, then I'll make a MR for them (except EDAC_MPC85XX):
> - drivers/hwmon/pmbus: Enable PMBUS, SENSORS_PMBUS and
> SENSORS_LTC2978 as modules
> - drivers/nvmem: Enable NVMEM_LAYERSCAPE_SFP as module
> - drivers/rtc: Enable RTC_DRV_FSL_FTM_ALARM as module
> - drivers/soc/fsl: Enable FSL_RCPM
>
>>> Regarding edac - I checked NXPs reference BSP for LX2160,
>>> and their linux fork has the same status, driver can not be enabled on
>>> arm64.
>>> However I also agree it should be enabled if it were possible.
>>> The driver appears to setup ecc bit error interrupts so that hey can be
>>> reported by Linux.
>>> ...
>>> I may have access to an lx2160a system with ecc memory within the coming
>>> week, so I could test (on vendor kernel based on 5.10 only) whether any
>>> problems show up. If not, perhaps a patch to the kernel is advisable.
> As EDAC_LAYERSCAPE got enabled in 5.5.17-1 via bug 948576 (with a patch from
> you), ECC support should already work with the Stable 6.1 kernel (or newer).
>
>>> Am 07.03.24 um 13:34 schrieb Diederik de Haas:
>>>> On Thursday, 18 January 2024 17:40:38 CET Josua Mayer wrote:
>>>>
>>>>> LX2160 SoC early silicon revisions have a pci-e generation 4
>>>>> controller.
>>>>> It requires a different driver from newer gen-3 silicon.
>>>>>
>>>>> This affects the SolidRun Honeycomb Workstation which
>>>>> is otherwise fully supported in Debian.
>>>> I cloned bug report #1061116 into #1065611 to discuss some additional
>>>> support for the SolidRun HoneyComb.
>>>>
>>>> I analyzed the HoneyComb dts file and the following included .dtsi
>>>> files:
>>>> - arch/arm64/boot/dts/freescale/fsl-lx2160a-clearfog-itx.dtsi
>>>> - arch/arm64/boot/dts/freescale/fsl-lx2160a-cex7.dtsi
>>>> - arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
> If my MR gets merged, then there's truly full support in Debian :)
>
> Cheers,
> Diederik
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