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

Joel Johnson mrjoel at lixil.net
Sat Jan 11 20:36:34 CET 2020


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.
+
 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)
-- 
2.20.1



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