[PATCH 05/10] arm: mvebu: clearfog: Add option for 2.5 Gbps SFP

[Joel Johnson]

On January 12, 2020 10:21:05 AM UTC, Baruch Siach <baruch at tkos.co.il> wrote:
>Hi Joel,
>
>On Sat, Jan 11 2020, Joel Johnson wrote:
>> Signed-off-by: Joel Johnson <mrjoel at lixil.net>
>> ---
>>
>>  board/solidrun/clearfog/Kconfig    | 7 +++++++
>>  board/solidrun/clearfog/clearfog.c | 4 ++++
>>  2 files changed, 11 insertions(+)
>>
>> diff --git a/board/solidrun/clearfog/Kconfig
>b/board/solidrun/clearfog/Kconfig
>> index 30f53508c2..53f01daf7a 100644
>> --- a/board/solidrun/clearfog/Kconfig
>> +++ b/board/solidrun/clearfog/Kconfig
>> @@ -24,4 +24,11 @@ config CLEARFOG_CON2_SATA
>>  	 modules, but the desired protocol must be configured at build
>>  	 time since it affects the SerDes topology layout.
>>
>> +config CLEARFOG_SFP_25GB
>> +	bool "Enable 2.5 Gbps mode for SFP"
>> +	help
>> +	 Set the SFP module connection to support 2.5 Gbps transfer speed
>for the
>> +	 SGMII connection (requires a supporting SFP). By default, transfer
>speed
>> +	 of 1.25 Gbps is used, suitable for a more common 1 Gbps SFP
>module.
>
>Note that recent Linux kernels support run-time SFP detection and
>serdes
>speed configuration. This patch is still useful for older kernels.
>
>baruch

Older kernels I suppose is a nice side effect also, but I was mainly targeting differentiating within U-Boot for network support options.

Joel