[PULL v1 01/14] hw/net/xilinx_axienet: Auto-clear PHY Autoneg

Edgar E. Iglesias posted 14 patches 5 years, 6 months ago
Maintainers: Alistair Francis <alistair@alistair23.me>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Jason Wang <jasowang@redhat.com>, Peter Maydell <peter.maydell@linaro.org>
[PULL v1 01/14] hw/net/xilinx_axienet: Auto-clear PHY Autoneg
Posted by Edgar E. Iglesias 5 years, 6 months ago
From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>

Auto-clear PHY CR Autoneg bits. This makes this model
work with recent Linux kernels.

Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-Id: <20200506082513.18751-2-edgar.iglesias@gmail.com>
---
 hw/net/xilinx_axienet.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/net/xilinx_axienet.c b/hw/net/xilinx_axienet.c
index 704788811a..0f97510d8a 100644
--- a/hw/net/xilinx_axienet.c
+++ b/hw/net/xilinx_axienet.c
@@ -149,8 +149,8 @@ tdk_write(struct PHY *phy, unsigned int req, unsigned int data)
             break;
     }
 
-    /* Unconditionally clear regs[BMCR][BMCR_RESET] */
-    phy->regs[0] &= ~0x8000;
+    /* Unconditionally clear regs[BMCR][BMCR_RESET] and auto-neg */
+    phy->regs[0] &= ~0x8200;
 }
 
 static void
-- 
2.20.1