From: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Date: Wed, 6 May 2020 08:25:05 +0000 (+0200)
Subject: hw/net/xilinx_axienet: Auto-clear PHY Autoneg
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3e2a0cb99d26fd5fb34ab8c50f90d4292363245d;p=qemu.git

hw/net/xilinx_axienet: Auto-clear PHY Autoneg

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>
---

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