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authorMario Scheithauer <mario.scheithauer@siemens.com>2022-11-22 11:40:01 +0100
committerMartin L Roth <gaumless@gmail.com>2022-11-24 06:04:03 +0000
commit0f633f7f7f1ff38f9f55d98fd0c5e5c26b2a2e07 (patch)
tree7cacf700059475060269027325987d53b5a7533c /src/mainboard/siemens
parent16dd1c31c22d56e53d4e37c66c52e1177f6c38f2 (diff)
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 <mario.scheithauer@siemens.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/69887 Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/siemens')
-rw-r--r--src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb3
1 files changed, 3 insertions, 0 deletions
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 8090927661..e1c297274c 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 @@ chip soc/intel/elkhartlake
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 @@ chip soc/intel/elkhartlake
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 @@ chip soc/intel/elkhartlake
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