drivers/usb/musb/am35x.h

   1 /*
   2  * am35x.h - TI's AM35x platform specific usb wrapper definitions.
   3  *
   4  * Author: Ajay Kumar Gupta <ajay.gupta@ti.com>
   5  *
   6  * Based on drivers/usb/musb/da8xx.h
   7  *
   8  * Copyright (c) 2010 Texas Instruments Incorporated
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 #ifndef __AM35X_USB_H__
  26 #define __AM35X_USB_H__
  27
  28 #include <asm/arch/am35x_def.h>
  29 #include "musb_core.h"
  30
  31 /* Base address of musb wrapper */
  32 #define AM35X_USB_OTG_BASE      0x5C040000
  33
  34 /* Base address of musb core */
  35 #define AM35X_USB_OTG_CORE_BASE (AM35X_USB_OTG_BASE + 0x400)
  36
  37 /* Timeout for AM35x usb module */
  38 #define AM35X_USB_OTG_TIMEOUT   0x3FFFFFF
  39
  40 /*
  41  * AM35x platform USB wrapper register overlay.
  42  */
  43 struct am35x_usb_regs {
  44         u32     revision;
  45         u32     control;
  46         u32     status;
  47         u32     emulation;
  48         u32     reserved0[1];
  49         u32     autoreq;
  50         u32     srpfixtime;
  51         u32     ep_intsrc;
  52         u32     ep_intsrcset;
  53         u32     ep_intsrcclr;
  54         u32     ep_intmsk;
  55         u32     ep_intmskset;
  56         u32     ep_intmskclr;
  57         u32     ep_intsrcmsked;
  58         u32     reserved1[1];
  59         u32     core_intsrc;
  60         u32     core_intsrcset;
  61         u32     core_intsrcclr;
  62         u32     core_intmsk;
  63         u32     core_intmskset;
  64         u32     core_intmskclr;
  65         u32     core_intsrcmsked;
  66         u32     reserved2[1];
  67         u32     eoi;
  68         u32     mop_sop_en;
  69         u32     reserved3[2];
  70         u32     txmode;
  71         u32     rxmode;
  72         u32     epcount_mode;
  73 };
  74
  75 #define am35x_usb_regs ((struct am35x_usb_regs *)AM35X_USB_OTG_BASE)
  76
  77 /* USB 2.0 PHY Control */
  78 #define DEVCONF2_PHY_GPIOMODE   (1 << 23)
  79 #define DEVCONF2_OTGMODE        (3 << 14)
  80 #define DEVCONF2_SESENDEN       (1 << 13)       /* Vsess_end comparator */
  81 #define DEVCONF2_VBDTCTEN       (1 << 12)       /* Vbus comparator */
  82 #define DEVCONF2_REFFREQ_24MHZ  (2 << 8)
  83 #define DEVCONF2_REFFREQ_26MHZ  (7 << 8)
  84 #define DEVCONF2_REFFREQ_13MHZ  (6 << 8)
  85 #define DEVCONF2_REFFREQ        (0xf << 8)
  86 #define DEVCONF2_PHYCKGD        (1 << 7)
  87 #define DEVCONF2_VBUSSENSE      (1 << 6)
  88 #define DEVCONF2_PHY_PLLON      (1 << 5)        /* override PLL suspend */
  89 #define DEVCONF2_RESET          (1 << 4)
  90 #define DEVCONF2_PHYPWRDN       (1 << 3)
  91 #define DEVCONF2_OTGPWRDN       (1 << 2)
  92 #define DEVCONF2_DATPOL         (1 << 1)
  93
  94 #endif  /* __AM35X_USB_H__ */