[U-Boot-Users] PATCH: add support for MII-connected ethernet switch for IPX42x

Michael Schwingen rincewind at discworld.dascon.de
Sat Nov 10 16:34:48 CET 2007


Hi,

the following patch adds support for an ethernet switch that is connected to
the MII port. In that case, there is no PHY with which auto-negotiation can
be done, and the MII port always runs in full-duplex 100MBit/s mode.

Signed-off-by: Michael Schwingen <michael at schwingen.org>

diff --git a/cpu/ixp/npe/npe.c b/cpu/ixp/npe/npe.c
index 7e4af44..88d0183 100644
--- a/cpu/ixp/npe/npe.c
+++ b/cpu/ixp/npe/npe.c
@@ -361,6 +361,10 @@ static int npe_init(struct eth_device *dev, bd_t * bis)
 
 	debug("%s: 1\n", __FUNCTION__);
 
+#ifdef CONFIG_MII_ETHSWITCH
+	speed = _100BASET;
+	duplex = FULL;
+#else
 	miiphy_read (dev->name, p_npe->phy_no, PHY_BMSR, &reg_short);
 
 	/*
@@ -396,6 +400,7 @@ static int npe_init(struct eth_device *dev, bd_t * bis)
 		printf ("ENET Speed is %d Mbps - %s duplex connection\n",
 			(int) speed, (duplex == HALF) ? "HALF" : "FULL");
 	}
+#endif
 
 	npe_alloc_end = npe_alloc_pool + sizeof(npe_alloc_pool);
 	npe_alloc_free = (u8 *)(((unsigned)npe_alloc_pool +






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