From patchwork Sat Jan 11 19:36:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Johnson X-Patchwork-Id: 239470 List-Id: U-Boot discussion From: mrjoel at lixil.net (Joel Johnson) Date: Sat, 11 Jan 2020 12:36:34 -0700 Subject: [PATCH 05/10] arm: mvebu: clearfog: Add option for 2.5 Gbps SFP In-Reply-To: <20200111193639.19022-1-mrjoel@lixil.net> References: <20200111193639.19022-1-mrjoel@lixil.net> Message-ID: <20200111193639.19022-5-mrjoel@lixil.net> Signed-off-by: Joel Johnson --- 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)