zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/boot/common/src/loader/drivers/dwc_otg_pcd.h b/boot/common/src/loader/drivers/dwc_otg_pcd.h
new file mode 100644
index 0000000..e96d8c7
--- /dev/null
+++ b/boot/common/src/loader/drivers/dwc_otg_pcd.h
@@ -0,0 +1,188 @@
+/* ==========================================================================
+ * $File: //dwh/usb_iip/dev/software/otg/linux/drivers/dwc_otg_pcd.h $
+ * $Revision: #48 $
+ * $Date: 2012/08/10 $
+ * $Change: 2047372 $
+ *
+ * Synopsys HS OTG Linux Software Driver and documentation (hereinafter,
+ * "Software") is an Unsupported proprietary work of Synopsys, Inc. unless
+ * otherwise expressly agreed to in writing between Synopsys and you.
+ *
+ * The Software IS NOT an item of Licensed Software or Licensed Product under
+ * any End User Software License Agreement or Agreement for Licensed Product
+ * with Synopsys or any supplement thereto. You are permitted to use and
+ * redistribute this Software in source and binary forms, with or without
+ * modification, provided that redistributions of source code must retain this
+ * notice. You may not view, use, disclose, copy or distribute this file or
+ * any information contained herein except pursuant to this license grant from
+ * Synopsys. If you do not agree with this notice, including the disclaimer
+ * below, then you are not authorized to use the Software.
+ *
+ * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" BASIS
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ * ========================================================================== */
+#ifndef DWC_HOST_ONLY
+#if !defined(__DWC_PCD_H__)
+#define __DWC_PCD_H__
+#include "usb.h"
+#include "dwc_otg_cil.h"
+#include "dwc_otg_pcd_if.h"
+/**
+ * @file
+ *
+ * This file contains the structures, constants, and interfaces for
+ * the Perpherial Contoller Driver (PCD).
+ *
+ * The Peripheral Controller Driver (PCD) for Linux will implement the
+ * Gadget API, so that the existing Gadget drivers can be used. For
+ * the Mass Storage Function driver the File-backed USB Storage Gadget
+ * (FBS) driver will be used.  The FBS driver supports the
+ * Control-Bulk (CB), Control-Bulk-Interrupt (CBI), and Bulk-Only
+ * transports.
+ *
+ */
+
+/**
+ * Get the pointer to the core_if from the pcd pointer.
+ */
+#define GET_CORE_IF( _pcd ) (_pcd->core_if)
+
+/**
+ * States of EP0.
+ */
+typedef enum ep0_state
+{
+    EP0_DISCONNECT,		/* no host */
+    EP0_IDLE,
+    EP0_IN_DATA_PHASE,
+    EP0_OUT_DATA_PHASE,
+    EP0_IN_STATUS_PHASE,
+    EP0_OUT_STATUS_PHASE,
+    EP0_STALL,
+} ep0state_e;
+
+/** Fordward declaration.*/
+struct dwc_otg_pcd;
+
+/** DWC_otg request structure.
+ * This structure is a list of requests.
+ */
+typedef struct dwc_otg_pcd_request
+{
+    void *priv;
+    void *buf;
+    uint32_t dma;
+    uint32_t length;
+    uint32_t actual;
+    unsigned sent_zlp:1;
+    /**
+     * Used instead of original buffer if
+     * it(physical address) is not dword-aligned.
+     **/
+    uint8_t *dw_align_buf;
+    uint32_t  dw_align_buf_dma;
+} dwc_otg_pcd_request_t;
+
+/**	  PCD EP structure.
+ * This structure describes an EP, there is an array of EPs in the PCD
+ * structure.
+ */
+typedef struct dwc_otg_pcd_ep
+{
+    /** USB EP Descriptor */
+    usb_endpoint_descriptor_t *desc;
+
+    /** queue of dwc_otg_pcd_requests. */
+    unsigned stopped:1;
+    unsigned disabling:1;
+    unsigned dma:1;
+    unsigned queue_sof:1;
+    dwc_ep_t dwc_ep;
+
+    /** Pointer to PCD */
+    struct dwc_otg_pcd *pcd;
+
+    void *priv;
+} dwc_otg_pcd_ep_t;
+
+/** DWC_otg PCD Structure.
+ * This structure encapsulates the data for the dwc_otg PCD.
+ */
+
+typedef union
+{
+    usb_device_request_t req;
+    uint32_t d32[2];
+}u_setup_pkt;
+
+struct dwc_otg_pcd
+{
+    /** The DWC otg device pointer */
+    struct dwc_otg_device *otg_dev;
+    /** Core Interface */
+    dwc_otg_core_if_t *core_if;
+    /** State of EP0 */
+    ep0state_e ep0state;
+    /** EP0 Request is pending */
+    unsigned ep0_pending;
+    /** Indicates when SET CONFIGURATION Request is in process */
+    unsigned request_config;
+    unsigned request_pending;
+
+    /** SETUP packet for EP0
+     * This structure is allocated as a DMA buffer on PCD initialization
+     * with enough space for up to 3 setup packets.
+     */
+    u_setup_pkt *setup_pkt;
+
+    uint32_t setup_pkt_dma_handle;
+    /* Additional buffer and flag for CTRL_WR premature case */
+    uint8_t *backup_buf;
+    unsigned data_terminated;
+
+    /** 2-byte dma buffer used to return status from GET_STATUS */
+    uint16_t *status_buf;
+    uint32_t  status_buf_dma_handle;
+    /** EP0 */
+    dwc_otg_pcd_ep_t ep0;
+
+    /** Array of IN EPs. */
+    dwc_otg_pcd_ep_t in_ep[MAX_EPS_CHANNELS - 1];
+    /** Array of OUT EPs. */
+    dwc_otg_pcd_ep_t out_ep[MAX_EPS_CHANNELS - 1];
+
+#ifdef DWC_UTE_CFI
+    cfiobject_t *cfi;
+#endif
+
+};
+
+#define CLEAR_OUT_EP_INTR(__core_if,__epnum,__intr) \
+do { \
+		doepint_data_t doepint ; \
+		doepint.d32 = 0;\
+		doepint.b.__intr = 1; \
+		DWC_WRITE_REG32(&__core_if->dev_if->out_ep_regs[__epnum]->doepint, \
+		doepint.d32); \
+} while (0)
+
+#define CLEAR_IN_EP_INTR(__core_if,__epnum,__intr) \
+do { \
+		diepint_data_t diepint; \
+		diepint.d32 = 0;\
+		diepint.b.__intr = 1; \
+		DWC_WRITE_REG32(&__core_if->dev_if->in_ep_regs[__epnum]->diepint, \
+		diepint.d32); \
+} while (0)
+
+#endif
+#endif /* DWC_HOST_ONLY */