From patchwork Sat Apr 11 19:26:20 2020
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X-Patchwork-Submitter: Pawel Dembicki <paweldembicki@gmail.com>
X-Patchwork-Id: 237700
List-Id: U-Boot discussion <u-boot.lists.denx.de>
From: paweldembicki at gmail.com (Pawel Dembicki)
Date: Sat, 11 Apr 2020 21:26:20 +0200
Subject: [PATCH] net: mvgbe: add support for differ PHY addresses
Message-ID: <20200411192619.24133-1-paweldembicki@gmail.com>

PHYs on some boards have not subsequential addresses.
This patch introduces define PHY_BASE_ADR2, which allow
to configure separate PHY addresses for both interfaces.

Cc: Joe Hershberger <joe.hershberger at ni.com>
Cc: Chris Packham <judge.packham at gmail.com>
Signed-off-by: Pawel Dembicki <paweldembicki at gmail.com>
---
 drivers/net/mvgbe.c | 23 ++++++++++++++++++++---
 drivers/net/mvgbe.h |  4 ++++
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/drivers/net/mvgbe.c b/drivers/net/mvgbe.c
index 037e59ec6e..d40fb5af81 100644
--- a/drivers/net/mvgbe.c
+++ b/drivers/net/mvgbe.c
@@ -874,7 +874,15 @@ int mvgbe_initialize(bd_t *bis)
 		eth_register(dev);
 
 #if defined(CONFIG_PHYLIB)
-		mvgbe_phylib_init(dev, PHY_BASE_ADR + devnum);
+
+		if (devnum == 0)
+			mvgbe_phylib_init(dev, PHY_BASE_ADR);
+		else
+#if defined(PHY_BASE_ADR2)
+			mvgbe_phylib_init(dev, PHY_BASE_ADR2);
+#else
+			mvgbe_phylib_init(dev, PHY_BASE_ADR + devnum);
+#endif
 #elif defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
 		int retval;
 		struct mii_dev *mdiodev = mdio_alloc();
@@ -888,8 +896,17 @@ int mvgbe_initialize(bd_t *bis)
 		if (retval < 0)
 			return retval;
 		/* Set phy address of the port */
-		miiphy_write(dev->name, MV_PHY_ADR_REQUEST,
-				MV_PHY_ADR_REQUEST, PHY_BASE_ADR + devnum);
+		if (devnum == 0)
+			miiphy_write(dev->name, MV_PHY_ADR_REQUEST,
+				     MV_PHY_ADR_REQUEST, PHY_BASE_ADR);
+		else
+#if defined(PHY_BASE_ADR2)
+			miiphy_write(dev->name, MV_PHY_ADR_REQUEST,
+				     MV_PHY_ADR_REQUEST, PHY_BASE_ADR2);
+#else
+			miiphy_write(dev->name, MV_PHY_ADR_REQUEST,
+				     MV_PHY_ADR_REQUEST, PHY_BASE_ADR + devnum);
+#endif
 #endif
 	}
 	return 0;
diff --git a/drivers/net/mvgbe.h b/drivers/net/mvgbe.h
index 44541c0a85..f37d4c3d59 100644
--- a/drivers/net/mvgbe.h
+++ b/drivers/net/mvgbe.h
@@ -18,6 +18,10 @@
 #define PHY_BASE_ADR		0x08	/* default phy base addr */
 #endif
 
+#if defined(CONFIG_PHY_BASE_ADR2)
+#define PHY_BASE_ADR2		CONFIG_PHY_BASE_ADR2
+#endif
+
 /* Constants */
 #define INT_CAUSE_UNMASK_ALL		0x0007ffff
 #define INT_CAUSE_UNMASK_ALL_EXT	0x0011ffff