xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-davinci/include/mach/da8xx-usb.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * da8xx-usb.h -- TI's DA8xx platform specific usb wrapper definitions.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Author: Ajay Kumar Gupta <ajay.gupta@ti.com>
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Based on drivers/usb/musb/davinci.h
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * Copyright (C) 2009 Texas Instruments Incorporated
9*4882a593Smuzhiyun  *
10*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
11*4882a593Smuzhiyun  */
12*4882a593Smuzhiyun #ifndef __DA8XX_MUSB_H__
13*4882a593Smuzhiyun #define __DA8XX_MUSB_H__
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #include <asm/arch/hardware.h>
16*4882a593Smuzhiyun #include <asm/arch/gpio.h>
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun /* Base address of da8xx usb0 wrapper */
19*4882a593Smuzhiyun #define DA8XX_USB_OTG_BASE  0x01E00000
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun /* Base address of da8xx musb core */
22*4882a593Smuzhiyun #define DA8XX_USB_OTG_CORE_BASE (DA8XX_USB_OTG_BASE + 0x400)
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun /* Timeout for DA8xx usb module */
25*4882a593Smuzhiyun #define DA8XX_USB_OTG_TIMEOUT 0x3FFFFFF
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun /*
28*4882a593Smuzhiyun  * DA8xx platform USB wrapper register overlay.
29*4882a593Smuzhiyun  */
30*4882a593Smuzhiyun struct da8xx_usb_regs {
31*4882a593Smuzhiyun 	dv_reg	revision;
32*4882a593Smuzhiyun 	dv_reg	control;
33*4882a593Smuzhiyun 	dv_reg 	status;
34*4882a593Smuzhiyun 	dv_reg 	emulation;
35*4882a593Smuzhiyun 	dv_reg 	mode;
36*4882a593Smuzhiyun 	dv_reg 	autoreq;
37*4882a593Smuzhiyun 	dv_reg 	srpfixtime;
38*4882a593Smuzhiyun 	dv_reg 	teardown;
39*4882a593Smuzhiyun 	dv_reg 	intsrc;
40*4882a593Smuzhiyun 	dv_reg 	intsrc_set;
41*4882a593Smuzhiyun 	dv_reg 	intsrc_clr;
42*4882a593Smuzhiyun 	dv_reg 	intmsk;
43*4882a593Smuzhiyun 	dv_reg 	intmsk_set;
44*4882a593Smuzhiyun 	dv_reg 	intmsk_clr;
45*4882a593Smuzhiyun 	dv_reg 	intsrcmsk;
46*4882a593Smuzhiyun 	dv_reg 	eoi;
47*4882a593Smuzhiyun 	dv_reg 	intvector;
48*4882a593Smuzhiyun 	dv_reg 	grndis_size[4];
49*4882a593Smuzhiyun };
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun #define da8xx_usb_regs ((struct da8xx_usb_regs *)DA8XX_USB_OTG_BASE)
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun /* DA8XX interrupt bits definitions */
54*4882a593Smuzhiyun #define DA8XX_USB_TX_ENDPTS_MASK  0x1f	/* ep0 + 4 tx */
55*4882a593Smuzhiyun #define DA8XX_USB_RX_ENDPTS_MASK  0x1e	/* 4 rx */
56*4882a593Smuzhiyun #define DA8XX_USB_TXINT_SHIFT	  0
57*4882a593Smuzhiyun #define DA8XX_USB_RXINT_SHIFT	  8
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun #define DA8XX_USB_USBINT_MASK	  0x01ff0000	/* 8 Mentor, DRVVBUS */
60*4882a593Smuzhiyun #define DA8XX_USB_TXINT_MASK \
61*4882a593Smuzhiyun 		(DA8XX_USB_TX_ENDPTS_MASK << DA8XX_USB_TXINT_SHIFT)
62*4882a593Smuzhiyun #define DA8XX_USB_RXINT_MASK \
63*4882a593Smuzhiyun 		(DA8XX_USB_RX_ENDPTS_MASK << DA8XX_USB_RXINT_SHIFT)
64*4882a593Smuzhiyun 
65*4882a593Smuzhiyun /* DA8xx CFGCHIP2 (USB 2.0 PHY Control) register bits */
66*4882a593Smuzhiyun #define CFGCHIP2_PHYCLKGD	(1 << 17)
67*4882a593Smuzhiyun #define CFGCHIP2_VBUSSENSE	(1 << 16)
68*4882a593Smuzhiyun #define CFGCHIP2_RESET		(1 << 15)
69*4882a593Smuzhiyun #define CFGCHIP2_OTGMODE	(3 << 13)
70*4882a593Smuzhiyun #define CFGCHIP2_NO_OVERRIDE	(0 << 13)
71*4882a593Smuzhiyun #define CFGCHIP2_FORCE_HOST	(1 << 13)
72*4882a593Smuzhiyun #define CFGCHIP2_FORCE_DEVICE 	(2 << 13)
73*4882a593Smuzhiyun #define CFGCHIP2_FORCE_HOST_VBUS_LOW (3 << 13)
74*4882a593Smuzhiyun #define CFGCHIP2_USB1PHYCLKMUX	(1 << 12)
75*4882a593Smuzhiyun #define CFGCHIP2_USB2PHYCLKMUX	(1 << 11)
76*4882a593Smuzhiyun #define CFGCHIP2_PHYPWRDN	(1 << 10)
77*4882a593Smuzhiyun #define CFGCHIP2_OTGPWRDN	(1 << 9)
78*4882a593Smuzhiyun #define CFGCHIP2_DATPOL 	(1 << 8)
79*4882a593Smuzhiyun #define CFGCHIP2_USB1SUSPENDM	(1 << 7)
80*4882a593Smuzhiyun #define CFGCHIP2_PHY_PLLON	(1 << 6)	/* override PLL suspend */
81*4882a593Smuzhiyun #define CFGCHIP2_SESENDEN	(1 << 5)	/* Vsess_end comparator */
82*4882a593Smuzhiyun #define CFGCHIP2_VBDTCTEN	(1 << 4)	/* Vbus comparator */
83*4882a593Smuzhiyun #define CFGCHIP2_REFFREQ	(0xf << 0)
84*4882a593Smuzhiyun #define CFGCHIP2_REFFREQ_12MHZ	(1 << 0)
85*4882a593Smuzhiyun #define CFGCHIP2_REFFREQ_24MHZ	(2 << 0)
86*4882a593Smuzhiyun #define CFGCHIP2_REFFREQ_48MHZ	(3 << 0)
87*4882a593Smuzhiyun 
88*4882a593Smuzhiyun #define DA8XX_USB_VBUS_GPIO	(1 << 15)
89*4882a593Smuzhiyun 
90*4882a593Smuzhiyun int usb_phy_on(void);
91*4882a593Smuzhiyun void usb_phy_off(void);
92*4882a593Smuzhiyun 
93*4882a593Smuzhiyun #endif	/* __DA8XX_MUSB_H__ */
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