h2200: Add USB CDC ethernet support

Add support for ethernet over USB which can be used for e.g. booting
process. It works with tftp and dhcp clients code.

Signed-off-by: Lukasz Dalek <luk0104@gmail.com>

board/h2200/h2200.c

@@ -22,9 +22,16 @@
 #include <asm/arch/pxa.h>
 #include <asm/arch/pxa-regs.h>
 #include <asm/io.h>
+#include <usb.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
+int board_eth_init(bd_t *bis)
+{
+	usb_eth_initialize(bis);
+	return 0;
+}
+
 int board_init(void)
 {
 	/* We have RAM, disable cache */
@@ -36,6 +43,10 @@ int board_init(void)
 	/* adress of boot parameters */
 	gd->bd->bi_boot_params = 0xa0000100;
 
+	/* Let host see that device is disconnected */
+	udc_disconnect();
+	mdelay(500);
+
 	return 0;
 }
 

include/configs/h2200.h

@@ -154,4 +154,29 @@
 
 #define CONFIG_BOOTARGS "root=/dev/ram0 ro console=ttyS0,115200n8"
 
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+#define CONFIG_USB_DEV_PULLUP_GPIO	33
+/* USB VBUS GPIO 3 */
+
+#define CONFIG_CMD_NET
+#define CONFIG_CMD_PING
+
+#define CONFIG_BOOTDELAY		2
+#define CONFIG_BOOTCOMMAND		\
+	"setenv downloaded 0 ; while test $downloaded -eq 0 ; do " \
+	"if bootp ; then setenv downloaded 1 ; fi ; done ; " \
+	"source :script ; " \
+	"bootm ; "
+
+#define CONFIG_USB_GADGET_PXA2XX
+#define CONFIG_USB_ETHER
+#define CONFIG_USB_ETH_SUBSET
+
+#define CONFIG_USBNET_DEV_ADDR		"de:ad:be:ef:00:01"
+#define CONFIG_USBNET_HOST_ADDR	"de:ad:be:ef:00:02"
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"stdin=serial\0" \
+	"stdout=serial\0" \
+	"stderr=serial\0"
+
 #endif /* __CONFIG_H */