blob: 756c3aed83a969f68bae5ede689baaa8a11bd482 [file] [log] [blame]
Ajay Kumar Guptadbea3242010-07-09 11:43:48 +05301/*
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 */
43struct 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__ */