Introduce netdev.h header file and remove externs

This addresses all drivers whose initializers have already
been moved to board_eth_init()/cpu_eth_init().

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/board/atmel/atngw100/atngw100.c b/board/atmel/atngw100/atngw100.c
index 7f3e485..fa1a2aa 100644
--- a/board/atmel/atngw100/atngw100.c
+++ b/board/atmel/atngw100/atngw100.c
@@ -26,6 +26,7 @@
 #include <asm/arch/clk.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/hmatrix.h>
+#include <netdev.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -93,8 +94,6 @@
 	gd->bd->bi_phy_id[1] = 0x03;
 }
 
-extern int macb_eth_initialize(int id, void *regs, unsigned int phy_addr);
-
 #ifdef CONFIG_CMD_NET
 int board_eth_init(bd_t *bi)
 {
diff --git a/board/atmel/atstk1000/atstk1000.c b/board/atmel/atstk1000/atstk1000.c
index 915b1c3..94523b5 100644
--- a/board/atmel/atstk1000/atstk1000.c
+++ b/board/atmel/atstk1000/atstk1000.c
@@ -26,6 +26,7 @@
 #include <asm/arch/clk.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/hmatrix.h>
+#include <netdev.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -116,8 +117,6 @@
 	gd->bd->bi_phy_id[1] = 0x11;
 }
 
-extern int macb_eth_initialize(int id, void *regs, unsigned int phy_addr);
-
 #ifdef CONFIG_CMD_NET
 int board_eth_init(bd_t *bi)
 {
diff --git a/board/bf537-stamp/bf537-stamp.c b/board/bf537-stamp/bf537-stamp.c
index a9b7a68..4567213 100644
--- a/board/bf537-stamp/bf537-stamp.c
+++ b/board/bf537-stamp/bf537-stamp.c
@@ -32,6 +32,7 @@
 #include <asm/io.h>
 #include <net.h>
 #include <asm/mach-common/bits/bootrom.h>
+#include <netdev.h>
 
 /**
  * is_valid_ether_addr - Determine if the given Ethernet address is valid
@@ -156,8 +157,6 @@
 
 #if defined(CONFIG_BFIN_MAC)
 
-extern int bfin_EMAC_initialize(bd_t *bis);
-
 int board_eth_init(bd_t *bis)
 {
 	return bfin_EMAC_initialize(bis);
diff --git a/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c b/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c
index da69e75..da05589 100644
--- a/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c
+++ b/board/earthlcd/favr-32-ezkit/favr-32-ezkit.c
@@ -18,6 +18,7 @@
  * Place, Suite 330, Boston, MA 02111-1307 USA
  */
 #include <common.h>
+#include <netdev.h>
 
 #include <asm/io.h>
 #include <asm/sdram.h>
@@ -87,8 +88,6 @@
 }
 
 #if defined(CONFIG_MACB) && defined(CONFIG_CMD_NET)
-extern int macb_eth_initialize(int id, void *regs, unsigned int phy_addr);
-
 int board_eth_init(bd_t *bi)
 {
 	return macb_eth_initialize(0, (void *)MACB0_BASE, bi->bi_phy_id[0]);
diff --git a/board/freescale/mpc8610hpcd/mpc8610hpcd.c b/board/freescale/mpc8610hpcd/mpc8610hpcd.c
index af79fc2..130f7aa 100644
--- a/board/freescale/mpc8610hpcd/mpc8610hpcd.c
+++ b/board/freescale/mpc8610hpcd/mpc8610hpcd.c
@@ -32,6 +32,7 @@
 #include <libfdt.h>
 #include <fdt_support.h>
 #include <spd_sdram.h>
+#include <netdev.h>
 
 #include "../common/pixis.h"
 
@@ -520,12 +521,7 @@
 	return val;
 }
 
-extern int uli526x_initialize(bd_t *);
-
 int board_eth_init(bd_t *bis)
 {
-#if defined(CONFIG_ULI526)
-	uli526x_initialize(bis);
-#endif
-	return 0;
+	return pci_eth_init(bis);
 }
diff --git a/board/mimc/mimc200/mimc200.c b/board/mimc/mimc200/mimc200.c
index 4ece11a..8516dcb 100644
--- a/board/mimc/mimc200/mimc200.c
+++ b/board/mimc/mimc200/mimc200.c
@@ -20,6 +20,7 @@
  * MA 02111-1307 USA
  */
 #include <common.h>
+#include <netdev.h>
 
 #include <asm/io.h>
 #include <asm/sdram.h>
@@ -195,8 +196,6 @@
 #endif /* CONFIG_ATMEL_SPI */
 
 #ifdef CONFIG_CMD_NET
-extern int macb_eth_initialize(int id, void *regs, unsigned int phy_addr);
-
 int board_eth_init(bd_t *bi)
 {
 	macb_eth_initialize(0, (void *)MACB0_BASE, bi->bi_phy_id[0]);
diff --git a/board/miromico/hammerhead/hammerhead.c b/board/miromico/hammerhead/hammerhead.c
index 738ece2..d3875f4 100644
--- a/board/miromico/hammerhead/hammerhead.c
+++ b/board/miromico/hammerhead/hammerhead.c
@@ -25,6 +25,7 @@
 #include "../cpu/at32ap/at32ap700x/sm.h"
 
 #include <common.h>
+#include <netdev.h>
 
 #include <asm/io.h>
 #include <asm/sdram.h>
@@ -51,8 +52,6 @@
 	.refresh_period	= (781 * (SDRAMC_BUS_HZ / 1000)) / 100000,
 };
 
-extern int macb_eth_initialize(int id, void *regs, unsigned int phy_addr);
-
 #ifdef CONFIG_CMD_NET
 int board_eth_init(bd_t *bis)
 {
diff --git a/board/sl8245/sl8245.c b/board/sl8245/sl8245.c
index c853755..e66272e 100644
--- a/board/sl8245/sl8245.c
+++ b/board/sl8245/sl8245.c
@@ -24,6 +24,7 @@
 #include <common.h>
 #include <mpc824x.h>
 #include <pci.h>
+#include <netdev.h>
 
 int checkboard (void)
 {
@@ -67,8 +68,6 @@
 	pci_mpc824x_init(&hose);
 }
 
-extern int skge_initialize(bd_t *bis);
-
 int board_eth_init(bd_t *bis)
 {
 	int rc = 0;
diff --git a/cpu/leon2/cpu.c b/cpu/leon2/cpu.c
index 5de1c52..d6e23b1 100644
--- a/cpu/leon2/cpu.c
+++ b/cpu/leon2/cpu.c
@@ -25,6 +25,7 @@
 #include <common.h>
 #include <watchdog.h>
 #include <command.h>
+#include <netdev.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -57,8 +58,6 @@
 
 /* ------------------------------------------------------------------------- */
 
-extern int greth_initialize(bd_t *bis);
-
 #ifdef CONFIG_GRETH
 int cpu_eth_init(bd_t *bis)
 {
diff --git a/cpu/leon3/cpu.c b/cpu/leon3/cpu.c
index 1725fdb..976f311 100644
--- a/cpu/leon3/cpu.c
+++ b/cpu/leon3/cpu.c
@@ -25,6 +25,7 @@
 #include <common.h>
 #include <watchdog.h>
 #include <command.h>
+#include <netdev.h>
 
 #include <asm/io.h>
 #include <asm/processor.h>
@@ -65,7 +66,6 @@
 }
 
 /* ------------------------------------------------------------------------- */
-extern int greth_initialize(bd_t *bis);
 
 #ifdef CONFIG_GRETH
 int cpu_eth_init(bd_t *bis)
diff --git a/cpu/mcf523x/cpu.c b/cpu/mcf523x/cpu.c
index 8d2152d..bdc152f 100644
--- a/cpu/mcf523x/cpu.c
+++ b/cpu/mcf523x/cpu.c
@@ -28,6 +28,7 @@
 #include <common.h>
 #include <watchdog.h>
 #include <command.h>
+#include <netdev.h>
 
 #include <asm/immap.h>
 
@@ -114,8 +115,6 @@
  * 	int board_eth_init(bd_t *bis)
  */
 
-extern int mcffec_initialize(bd_t*);
-
 int cpu_eth_init(bd_t *bis)
 {
 	return mcffec_initialize(bis);
diff --git a/cpu/mcf52x2/cpu.c b/cpu/mcf52x2/cpu.c
index 2af31cb..167097a 100644
--- a/cpu/mcf52x2/cpu.c
+++ b/cpu/mcf52x2/cpu.c
@@ -32,6 +32,7 @@
 #include <watchdog.h>
 #include <command.h>
 #include <asm/immap.h>
+#include <netdev.h>
 
 #ifdef  CONFIG_M5271
 /*
@@ -328,8 +329,6 @@
  * 	int board_eth_init(bd_t *bis)
  */
 
-extern int mcffec_initialize(bd_t*);
-
 int cpu_eth_init(bd_t *bis)
 {
 	return mcffec_initialize(bis);
diff --git a/cpu/mcf532x/cpu.c b/cpu/mcf532x/cpu.c
index 20d0d5c..260d6e6 100644
--- a/cpu/mcf532x/cpu.c
+++ b/cpu/mcf532x/cpu.c
@@ -28,6 +28,7 @@
 #include <common.h>
 #include <watchdog.h>
 #include <command.h>
+#include <netdev.h>
 
 #include <asm/immap.h>
 
@@ -136,8 +137,6 @@
  * 	int board_eth_init(bd_t *bis)
  */
 
-extern int mcffec_initialize(bd_t*);
-
 int cpu_eth_init(bd_t *bis)
 {
 	return mcffec_initialize(bis);
diff --git a/cpu/mcf5445x/cpu.c b/cpu/mcf5445x/cpu.c
index ab342dd..a30c327 100644
--- a/cpu/mcf5445x/cpu.c
+++ b/cpu/mcf5445x/cpu.c
@@ -28,6 +28,7 @@
 #include <common.h>
 #include <watchdog.h>
 #include <command.h>
+#include <netdev.h>
 
 #include <asm/immap.h>
 
@@ -102,8 +103,6 @@
  * 	int board_eth_init(bd_t *bis)
  */
 
-extern int mcffec_initialize(bd_t*);
-
 int cpu_eth_init(bd_t *bis)
 {
 	return mcffec_initialize(bis);
diff --git a/cpu/mcf547x_8x/cpu.c b/cpu/mcf547x_8x/cpu.c
index 1ba7aa8..ab4ad28 100644
--- a/cpu/mcf547x_8x/cpu.c
+++ b/cpu/mcf547x_8x/cpu.c
@@ -28,6 +28,7 @@
 #include <common.h>
 #include <watchdog.h>
 #include <command.h>
+#include <netdev.h>
 
 #include <asm/immap.h>
 
@@ -148,9 +149,6 @@
  * 	int board_eth_init(bd_t *bis)
  */
 
-extern int mcdmafec_initialize(bd_t *bis);
-extern int mcffec_initialize(bd_t*);
-
 int cpu_eth_init(bd_t *bis)
 {
 #if defined(CONFIG_FSLDMAFEC)
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index 3ee5d96..c5e74b8 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -9,6 +9,7 @@
 #include <common.h>
 #include <config.h>
 #include <net.h>
+#include <netdev.h>
 #include <command.h>
 #include <malloc.h>
 
diff --git a/drivers/net/greth.c b/drivers/net/greth.c
index 90c5338..79bc4d9 100644
--- a/drivers/net/greth.c
+++ b/drivers/net/greth.c
@@ -27,6 +27,7 @@
 #include <common.h>
 #include <command.h>
 #include <net.h>
+#include <netdev.h>
 #include <malloc.h>
 #include <asm/processor.h>
 #include <ambapp.h>
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index aa39284..08bebf7 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -40,6 +40,7 @@
  */
 
 #include <net.h>
+#include <netdev.h>
 #include <malloc.h>
 
 #include <linux/mii.h>
diff --git a/drivers/net/mcffec.c b/drivers/net/mcffec.c
index 50d6508..f93cf59 100644
--- a/drivers/net/mcffec.c
+++ b/drivers/net/mcffec.c
@@ -32,6 +32,7 @@
 
 #include <command.h>
 #include <net.h>
+#include <netdev.h>
 #include <miiphy.h>
 
 #undef	ET_DEBUG
diff --git a/drivers/net/sk98lin/uboot_drv.c b/drivers/net/sk98lin/uboot_drv.c
index 205e7d2..0199b33 100644
--- a/drivers/net/sk98lin/uboot_drv.c
+++ b/drivers/net/sk98lin/uboot_drv.c
@@ -24,6 +24,7 @@
  */
 
 #include <common.h>
+#include <netdev.h>
 
 #include "h/skdrv1st.h"
 #include "h/skdrv2nd.h"
diff --git a/drivers/net/uli526x.c b/drivers/net/uli526x.c
index d87638c..9ea5ac2 100644
--- a/drivers/net/uli526x.c
+++ b/drivers/net/uli526x.c
@@ -16,6 +16,7 @@
 #include <common.h>
 #include <malloc.h>
 #include <net.h>
+#include <netdev.h>
 #include <asm/io.h>
 #include <pci.h>
 #include <miiphy.h>
diff --git a/include/netdev.h b/include/netdev.h
new file mode 100644
index 0000000..3ec9212
--- /dev/null
+++ b/include/netdev.h
@@ -0,0 +1,66 @@
+/*
+ * (C) Copyright 2008
+ * Benjamin Warren, biggerbadderben@gmail.com
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+/*
+ * netdev.h - definitions an prototypes for network devices
+ */
+
+#ifndef _NETDEV_H_
+#define _NETDEV_H_
+
+/*
+ * Board and CPU-specific initialization functions
+ * board_eth_init() has highest priority.  cpu_eth_init() only
+ * gets called if board_eth_init() isn't instantiated or fails.
+ * Return values:
+ *      0: success
+ *     -1: failure
+ */
+
+int board_eth_init(bd_t *bis);
+int cpu_eth_init(bd_t *bis);
+
+/* Driver initialization prototypes */
+int bfin_EMAC_initialize(bd_t *bis);
+int greth_initialize(bd_t *bis);
+int macb_eth_initialize(int id, void *regs, unsigned int phy_addr);
+int mcdmafec_initialize(bd_t *bis);
+int mcffec_initialize(bd_t *bis);
+int skge_initialize(bd_t *bis);
+int uli526x_initialize(bd_t *bis);
+
+/* Boards with PCI network controllers can call this from their board_eth_init()
+ * function to initialize whatever's on board.
+ * Return value is total # of devices found */
+
+static inline int pci_eth_init(bd_t *bis)
+{
+	int num = 0;
+#if defined(CONFIG_ULI526)
+	num += uli526x_initialize(bis);
+#endif
+	return num;
+}
+
+#endif /* _NETDEV_H_ */
+