mirror of
https://github.com/AsahiLinux/u-boot
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151 lines
3.8 KiB
C
151 lines
3.8 KiB
C
/*
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* Copyright 2011, Marvell Semiconductor Inc.
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* Lei Wen <leiwen@marvell.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __MV_UDC_H__
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#define __MV_UDC_H__
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#include <asm/byteorder.h>
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#include <asm/errno.h>
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#include <linux/usb/ch9.h>
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#include <linux/usb/gadget.h>
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/* Endpoint 0 states */
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#define EP0_IDLE 0
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#define EP0_IN_DATA 1
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#define EP0_OUT_DATA 2
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#define EP0_XFER_COMPLETE 3
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/* Endpoint parameters */
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#define MAX_ENDPOINTS 4
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#define EP_MAX_PACKET_SIZE 0x200
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#define EP0_MAX_PACKET_SIZE 64
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#define UDC_OUT_ENDPOINT 0x02
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#define UDC_OUT_PACKET_SIZE EP_MAX_PACKET_SIZE
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#define UDC_IN_ENDPOINT 0x01
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#define UDC_IN_PACKET_SIZE EP_MAX_PACKET_SIZE
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#define UDC_INT_ENDPOINT 0x05
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#define UDC_INT_PACKET_SIZE EP_MAX_PACKET_SIZE
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#define UDC_BULK_PACKET_SIZE EP_MAX_PACKET_SIZE
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#define NUM_ENDPOINTS 6
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#define REQ_COUNT 12
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struct mv_ep {
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struct usb_ep ep;
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struct usb_request req;
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struct list_head queue;
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const struct usb_endpoint_descriptor *desc;
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};
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struct mv_udc {
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u32 pad0[80];
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#define MICRO_8FRAME 0x8
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#define USBCMD_ITC(x) (((x > 0xff) ? 0xff : x) << 16)
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#define USBCMD_FS2 (1 << 15)
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#define USBCMD_RST (1 << 1)
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#define USBCMD_RUN (1)
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u32 usbcmd; /* 0x140 */
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#define STS_SLI (1 << 8)
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#define STS_URI (1 << 6)
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#define STS_PCI (1 << 2)
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#define STS_UEI (1 << 1)
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#define STS_UI (1 << 0)
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u32 usbsts; /* 0x144 */
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u32 pad1[3];
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u32 devaddr; /* 0x154 */
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u32 epinitaddr; /* 0x158 */
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u32 pad2[10];
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#define PTS_ENABLE 2
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#define PTS(x) ((x & 0x3) << 30)
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#define PFSC (1 << 24)
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u32 portsc; /* 0x184 */
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u32 pad3[8];
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#define USBMODE_DEVICE 2
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u32 usbmode; /* 0x1a8 */
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u32 epstat; /* 0x1ac */
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#define EPT_TX(x) (1 << ((x & 0xffff) + 16))
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#define EPT_RX(x) (1 << (x & 0xffff))
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u32 epprime; /* 0x1b0 */
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u32 epflush; /* 0x1b4 */
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u32 pad4;
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u32 epcomp; /* 0x1bc */
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#define CTRL_TXE (1 << 23)
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#define CTRL_TXR (1 << 22)
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#define CTRL_RXE (1 << 7)
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#define CTRL_RXR (1 << 6)
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#define CTRL_TXT_BULK (2 << 18)
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#define CTRL_RXT_BULK (2 << 2)
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u32 epctrl[16]; /* 0x1c0 */
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};
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struct mv_drv {
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struct usb_gadget gadget;
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struct usb_gadget_driver *driver;
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struct mv_udc *udc;
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};
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struct ept_queue_head {
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unsigned config;
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unsigned current; /* read-only */
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unsigned next;
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unsigned info;
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unsigned page0;
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unsigned page1;
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unsigned page2;
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unsigned page3;
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unsigned page4;
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unsigned reserved_0;
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unsigned char setup_data[8];
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unsigned reserved_1;
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unsigned reserved_2;
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unsigned reserved_3;
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unsigned reserved_4;
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};
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#define CONFIG_MAX_PKT(n) ((n) << 16)
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#define CONFIG_ZLT (1 << 29) /* stop on zero-len xfer */
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#define CONFIG_IOS (1 << 15) /* IRQ on setup */
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struct ept_queue_item {
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unsigned next;
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unsigned info;
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unsigned page0;
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unsigned page1;
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unsigned page2;
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unsigned page3;
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unsigned page4;
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unsigned reserved;
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};
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#define TERMINATE 1
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#define INFO_BYTES(n) ((n) << 16)
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#define INFO_IOC (1 << 15)
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#define INFO_ACTIVE (1 << 7)
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#define INFO_HALTED (1 << 6)
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#define INFO_BUFFER_ERROR (1 << 5)
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#define INFO_TX_ERROR (1 << 3)
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extern int usb_lowlevel_init(void);
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#endif /* __MV_UDC_H__ */
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