[S] Change in coreboot[master]: mb/siemens/mc_ehl2: Enable downshift for Marvell PHYs

[Mario Scheithauer (Code Review)]

Mario Scheithauer has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/69887 )

Change subject: mb/siemens/mc_ehl2: Enable downshift for Marvell PHYs
......................................................................

mb/siemens/mc_ehl2: Enable downshift for Marvell PHYs

Set downshift counter to 2 for all Marvell PHYs on this mainboard before
the PHY downshifts to the next highest speed.

Change-Id: I32b5f25a3e1e0f962dff3110143e236992ef8e7d
Signed-off-by: Mario Scheithauer 
---
M src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb
1 file changed, 16 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/87/69887/1

diff --git a/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb b/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb
index 8090927..e1c2972 100644
--- a/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb
+++ b/src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb
@@ -191,6 +191,7 @@
    			register "led_1_ctrl" = "1"
    			# INTn is routed to LED[2] pin
    			register "enable_int" = "true"
+				register "downshift_cnt" = "2"
    			device mdio 0 on    # PHY address
    				ops m88e1512_ops
    			end
@@ -206,6 +207,7 @@
    			register "led_1_ctrl" = "1"
    			# INTn is routed to LED[2] pin
    			register "enable_int" = "true"
+				register "downshift_cnt" = "2"
    			device mdio 1 on    # PHY address
    				ops m88e1512_ops
    			end
@@ -224,6 +226,7 @@
    			register "led_1_ctrl" = "1"
    			# INTn is routed to LED[2] pin
    			register "enable_int" = "true"
+				register "downshift_cnt" = "2"
    			device mdio 1 on    # PHY address
    				ops m88e1512_ops
    			end