Hi Joel,
On Sat, Jan 11 2020, Joel Johnson wrote:
> Signed-off-by: Joel Johnson <mrj...@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
> +
> endmenu
> diff --git a/board/solidrun/clearfog/clearfog.c
> b/board/solidrun/clearfog/clearfog.c
> index 4f51b19ce9..247785ac56 100644
> --- a/board/solidrun/clearfog/clearfog.c
> +++ b/board/solidrun/clearfog/clearfog.c
> @@ -44,7 +44,11 @@ static struct serdes_map board_serdes_map[] = {
> #else
> {PEX2, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0},
> #endif
> +#if defined (CONFIG_CLEARFOG_SFP_25GB)
> + {SGMII2, SERDES_SPEED_3_125_GBPS, SERDES_DEFAULT_MODE, 0, 0},
> +#else
> {SGMII2, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0},
> +#endif
> };
>
> int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count)
--
http://baruch.siach.name/blog/ ~. .~ Tk Open Systems
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