USB: gadaget: add Marvell controller support
Signed-off-by: Lei Wen <leiwen@marvell.com>
diff --git a/include/usb/mv_udc.h b/include/usb/mv_udc.h
new file mode 100644
index 0000000..51d36c3
--- /dev/null
+++ b/include/usb/mv_udc.h
@@ -0,0 +1,151 @@
+/*
+ * Copyright 2011, Marvell Semiconductor Inc.
+ * Lei Wen <leiwen@marvell.com>
+ *
+ * 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
+ */
+
+
+#ifndef __MV_UDC_H__
+#define __MV_UDC_H__
+
+#include <asm/byteorder.h>
+#include <asm/errno.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/gadget.h>
+
+/* Endpoint 0 states */
+#define EP0_IDLE 0
+#define EP0_IN_DATA 1
+#define EP0_OUT_DATA 2
+#define EP0_XFER_COMPLETE 3
+
+
+/* Endpoint parameters */
+#define MAX_ENDPOINTS 4
+#define EP_MAX_PACKET_SIZE 0x200
+
+#define EP0_MAX_PACKET_SIZE 64
+#define UDC_OUT_ENDPOINT 0x02
+#define UDC_OUT_PACKET_SIZE EP_MAX_PACKET_SIZE
+#define UDC_IN_ENDPOINT 0x01
+#define UDC_IN_PACKET_SIZE EP_MAX_PACKET_SIZE
+#define UDC_INT_ENDPOINT 0x05
+#define UDC_INT_PACKET_SIZE EP_MAX_PACKET_SIZE
+#define UDC_BULK_PACKET_SIZE EP_MAX_PACKET_SIZE
+
+#define NUM_ENDPOINTS 6
+#define REQ_COUNT 12
+struct mv_ep {
+ struct usb_ep ep;
+ struct usb_request req;
+ struct list_head queue;
+ const struct usb_endpoint_descriptor *desc;
+};
+
+struct mv_udc {
+ u32 pad0[80];
+#define MICRO_8FRAME 0x8
+#define USBCMD_ITC(x) (((x > 0xff) ? 0xff : x) << 16)
+#define USBCMD_FS2 (1 << 15)
+#define USBCMD_RST (1 << 1)
+#define USBCMD_RUN (1)
+ u32 usbcmd; /* 0x140 */
+#define STS_SLI (1 << 8)
+#define STS_URI (1 << 6)
+#define STS_PCI (1 << 2)
+#define STS_UEI (1 << 1)
+#define STS_UI (1 << 0)
+ u32 usbsts; /* 0x144 */
+ u32 pad1[3];
+ u32 devaddr; /* 0x154 */
+ u32 epinitaddr; /* 0x158 */
+ u32 pad2[10];
+#define PTS_ENABLE 2
+#define PTS(x) ((x & 0x3) << 30)
+#define PFSC (1 << 24)
+ u32 portsc; /* 0x184 */
+ u32 pad3[8];
+#define USBMODE_DEVICE 2
+ u32 usbmode; /* 0x1a8 */
+ u32 epstat; /* 0x1ac */
+#define EPT_TX(x) (1 << ((x & 0xffff) + 16))
+#define EPT_RX(x) (1 << (x & 0xffff))
+ u32 epprime; /* 0x1b0 */
+ u32 epflush; /* 0x1b4 */
+ u32 pad4;
+ u32 epcomp; /* 0x1bc */
+#define CTRL_TXE (1 << 23)
+#define CTRL_TXR (1 << 22)
+#define CTRL_RXE (1 << 7)
+#define CTRL_RXR (1 << 6)
+#define CTRL_TXT_BULK (2 << 18)
+#define CTRL_RXT_BULK (2 << 2)
+ u32 epctrl[16]; /* 0x1c0 */
+};
+
+struct mv_drv {
+ struct usb_gadget gadget;
+ struct usb_gadget_driver *driver;
+ struct mv_udc *udc;
+};
+
+struct ept_queue_head {
+ unsigned config;
+ unsigned current; /* read-only */
+
+ unsigned next;
+ unsigned info;
+ unsigned page0;
+ unsigned page1;
+ unsigned page2;
+ unsigned page3;
+ unsigned page4;
+ unsigned reserved_0;
+
+ unsigned char setup_data[8];
+
+ unsigned reserved_1;
+ unsigned reserved_2;
+ unsigned reserved_3;
+ unsigned reserved_4;
+};
+
+#define CONFIG_MAX_PKT(n) ((n) << 16)
+#define CONFIG_ZLT (1 << 29) /* stop on zero-len xfer */
+#define CONFIG_IOS (1 << 15) /* IRQ on setup */
+
+struct ept_queue_item {
+ unsigned next;
+ unsigned info;
+ unsigned page0;
+ unsigned page1;
+ unsigned page2;
+ unsigned page3;
+ unsigned page4;
+ unsigned reserved;
+};
+
+#define TERMINATE 1
+#define INFO_BYTES(n) ((n) << 16)
+#define INFO_IOC (1 << 15)
+#define INFO_ACTIVE (1 << 7)
+#define INFO_HALTED (1 << 6)
+#define INFO_BUFFER_ERROR (1 << 5)
+#define INFO_TX_ERROR (1 << 3)
+
+extern int usb_lowlevel_init(void);
+#endif /* __MV_UDC_H__ */