arm: mvebu: db-mv784mp-gp: Enable PCI support

This patch enabled the MVEBU PCIe support on the db-mv784mp-gp AXP
eval board. It also enabled the Intel E1000 driver support and
adds the initialization of PCIe network controllers to the
board code.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Anton Schubert <anton.schubert@gmx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>

board/Marvell/db-mv784mp-gp/db-mv784mp-gp.c

@@ -6,6 +6,7 @@
 
 #include <common.h>
 #include <miiphy.h>
+#include <netdev.h>
 #include <asm/io.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/soc.h>
@@ -80,6 +81,12 @@ int checkboard(void)
 	return 0;
 }
 
+int board_eth_init(bd_t *bis)
+{
+	cpu_eth_init(bis); /* Built in controller(s) come first */
+	return pci_eth_init(bis);
+}
+
 #ifdef CONFIG_RESET_PHY_R
 /* Configure and enable MV88E1545 PHY */
 void reset_phy(void)

include/configs/db-mv784mp-gp.h

@@ -33,6 +33,7 @@
 #define CONFIG_CMD_ENV
 #define CONFIG_CMD_I2C
 #define CONFIG_CMD_IDE
+#define CONFIG_CMD_PCI
 #define CONFIG_CMD_PING
 #define CONFIG_CMD_SF
 #define CONFIG_CMD_SPI
@@ -102,6 +103,13 @@
 #define CONFIG_DOS_PARTITION
 #endif /* CONFIG_CMD_IDE */
 
+/* PCIe support */
+#define CONFIG_PCI
+#define CONFIG_PCI_MVEBU
+#define CONFIG_PCI_PNP
+#define CONFIG_PCI_SCAN_SHOW
+#define CONFIG_E1000	/* enable Intel E1000 support for testing */
+
 /*
  * mv-common.h should be defined after CMD configs since it used them
  * to enable certain macros