arm: socfpga: Add example UDC config

Add example of an USB UDC configuration with DFU and UMS.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <clsee@altera.com>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Vince Bridgers <vbridger@altera.com>
Acked-by: Pavel Machek <pavel@denx.de>
Cc: Stefan Roese <sr@denx.de>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>

board/altera/socfpga/socfpga_cyclone5.c

@@ -8,6 +8,10 @@
 #include <asm/arch/reset_manager.h>
 #include <asm/io.h>
 
+#include <usb.h>
+#include <usb/s3c_udc.h>
+#include <usb_mass_storage.h>
+
 #include <netdev.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -39,3 +43,20 @@ int board_init(void)
 
 	return 0;
 }
+
+#ifdef CONFIG_USB_GADGET
+struct s3c_plat_otg_data socfpga_otg_data = {
+	.regs_otg	= CONFIG_USB_DWC2_REG_ADDR,
+	.usb_gusbcfg	= 0x1417,
+};
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+	return s3c_udc_probe(&socfpga_otg_data);
+}
+
+int g_dnl_board_usb_cable_connected(void)
+{
+	return 1;
+}
+#endif

include/configs/socfpga_common.h

@@ -37,7 +37,7 @@
  */
 #define CONFIG_NR_DRAM_BANKS		1
 #define PHYS_SDRAM_1			0x0
-#define CONFIG_SYS_MALLOC_LEN		(10 * 1024 * 1024)
+#define CONFIG_SYS_MALLOC_LEN		(64 * 1024 * 1024)
 #define CONFIG_SYS_MEMTEST_START	PHYS_SDRAM_1
 #define CONFIG_SYS_MEMTEST_END		PHYS_SDRAM_1_SIZE
 
@@ -171,6 +171,34 @@
  */
 #endif
 
+/*
+ * USB Gadget (DFU, UMS)
+ */
+#if defined(CONFIG_CMD_DFU) || defined(CONFIG_CMD_USB_MASS_STORAGE)
+#define CONFIG_USB_GADGET
+#define CONFIG_USB_GADGET_S3C_UDC_OTG
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_GADGET_VBUS_DRAW	2
+
+/* USB Composite download gadget - g_dnl */
+#define CONFIG_USBDOWNLOAD_GADGET
+#define CONFIG_USB_GADGET_MASS_STORAGE
+
+#define CONFIG_DFU_FUNCTION
+#define CONFIG_DFU_MMC
+#define CONFIG_SYS_DFU_DATA_BUF_SIZE	(32 * 1024 * 1024)
+#define DFU_DEFAULT_POLL_TIMEOUT	300
+
+/* USB IDs */
+#define CONFIG_G_DNL_VENDOR_NUM		0x0525	/* NetChip */
+#define CONFIG_G_DNL_PRODUCT_NUM	0xA4A5	/* Linux-USB File-backed Storage Gadget */
+#define CONFIG_G_DNL_UMS_VENDOR_NUM	CONFIG_G_DNL_VENDOR_NUM
+#define CONFIG_G_DNL_UMS_PRODUCT_NUM	CONFIG_G_DNL_PRODUCT_NUM
+#ifndef CONFIG_G_DNL_MANUFACTURER
+#define CONFIG_G_DNL_MANUFACTURER	"Altera"
+#endif
+#endif
+
 /*
  * U-Boot environment
  */