[U-Boot] [PATCH 4/6] net: macb: add support for SGMII phy interface

Ramon Fried
2019-07-16T19:03:03Z

This patch adds support for the sgmii phy interface,
available only to DM users, dictated by current driver
design.

Signed-off-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Tested-by: Anup Patel <anup.patel@wdc.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
---
v2: nothing.
drivers/net/macb.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index a968a4bd06..cf76270ad8 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -759,6 +759,13 @@ static int _macb_init(struct macb_device *macb, const char *name)
gem_writel(macb, USRIO, GEM_BIT(RGMII));
else
gem_writel(macb, USRIO, 0);
+
+ if (macb->phy_interface == PHY_INTERFACE_MODE_SGMII) {
+ unsigned int ncfgr = macb_readl(macb, NCFGR);
+
+ ncfgr |= GEM_BIT(SGMIIEN) | GEM_BIT(PCSSEL);
+ macb_writel(macb, NCFGR, ncfgr);
+ }
#else
#if defined(CONFIG_RGMII) || defined(CONFIG_RMII)
gem_writel(macb, USRIO, GEM_BIT(RGMII));
--
2.22.0