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arm: mvebu: clearfog: Add option for 2.5 Gbps SFP

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While newer Linux kernels provide autoconfiguration of SFP, provide
an option for setting in U-Boot Kconfig for use prior to booting.

Signed-off-by: Joel Johnson <mrjoel@lixil.net>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Joel Johnson 2020-03-23 14:21:33 -06:00 committed by Stefan Roese
parent 9f205d658d
commit 8a86308a87
2 changed files with 12 additions and 0 deletions
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7
board/solidrun/clearfog/Kconfig
View File

@ -15,4 +15,11 @@ config TARGET_CLEARFOG_BASE
detection via additional EEPROM hardware. This option enables selecting
the Base variant for older hardware revisions.
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.
endmenu

5
board/solidrun/clearfog/clearfog.c
View File

@ -63,6 +63,11 @@ int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count)
{
cf_read_tlv_data();
/* Apply build configuration options before runtime configuration */
if (IS_ENABLED(CONFIG_CLEARFOG_SFP_25GB))
board_serdes_map[5].serdes_speed = SERDES_SPEED_3_125_GBPS;
/* Apply runtime detection changes */
if (sr_product_is(&cf_tlv_data, "Clearfog GTR")) {
board_serdes_map[0].serdes_type = PEX0;
board_serdes_map[0].serdes_speed = SERDES_SPEED_5_GBPS;