doc: SPI: Add qspi test details on AM43xx

[karo-tx-uboot.git] / drivers / net / macb.c

diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index b7802a2fed70828c7f9f38c10013a1f15d5abf25..781a272cff2edec4650025c5c3b94515186e0f41 100644 (file)
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -1,19 +1,7 @@
 /*
  * Copyright (C) 2005-2006 Atmel Corporation
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 #include <common.h>
 
@@ -48,6 +36,7 @@
 #include <asm/io.h>
 #include <asm/dma-mapping.h>
 #include <asm/arch/clk.h>
+#include <asm-generic/errno.h>
 
 #include "macb.h"
 
@@ -409,9 +398,14 @@ static int macb_phy_init(struct macb_device *macb)
        }
 
 #ifdef CONFIG_PHYLIB
-       phydev->bus = macb->bus;
-       phydev->dev = netdev;
-       phydev->addr = macb->phy_addr;
+       /* need to consider other phy interface mode */
+       phydev = phy_connect(macb->bus, macb->phy_addr, netdev,
+                            PHY_INTERFACE_MODE_RGMII);
+       if (!phydev) {
+               printf("phy_connect failed\n");
+               return -ENODEV;
+       }
+
        phy_config(phydev);
 #endif
 
@@ -627,6 +621,24 @@ static u32 gem_mdc_clk_div(int id, struct macb_device *macb)
        return config;
 }
 
+/*
+ * Get the DMA bus width field of the network configuration register that we
+ * should program. We find the width from decoding the design configuration
+ * register to find the maximum supported data bus width.
+ */
+static u32 macb_dbw(struct macb_device *macb)
+{
+       switch (GEM_BFEXT(DBWDEF, gem_readl(macb, DCFG1))) {
+       case 4:
+               return GEM_BF(DBW, GEM_DBW128);
+       case 2:
+               return GEM_BF(DBW, GEM_DBW64);
+       case 1:
+       default:
+               return GEM_BF(DBW, GEM_DBW32);
+       }
+}
+
 int macb_eth_initialize(int id, void *regs, unsigned int phy_addr)
 {
        struct macb_device *macb;
@@ -671,7 +683,7 @@ int macb_eth_initialize(int id, void *regs, unsigned int phy_addr)
         */
        if (macb_is_gem(macb)) {
                ncfgr = gem_mdc_clk_div(id, macb);
-               ncfgr |= GEM_BF(DBW, 1);
+               ncfgr |= macb_dbw(macb);
        } else {
                ncfgr = macb_mdc_clk_div(id, macb);
        }