summaryrefslogtreecommitdiff
path: root/arch/arm/plat-omap/include/plat/usb.h
blob: 59c7fe731f28779944202463137234d000b997e2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
// include/asm-arm/mach-omap/usb.h

#ifndef	__ASM_ARCH_OMAP_USB_H
#define	__ASM_ARCH_OMAP_USB_H

#include <linux/usb/musb.h>
#include <plat/board.h>

#define OMAP3_HS_USB_PORTS	3
enum ehci_hcd_omap_mode {
	EHCI_HCD_OMAP_MODE_UNKNOWN,
	EHCI_HCD_OMAP_MODE_PHY,
	EHCI_HCD_OMAP_MODE_TLL,
};

enum ohci_omap3_port_mode {
	OMAP_OHCI_PORT_MODE_UNUSED,
	OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0,
	OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM,
	OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0,
	OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM,
	OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0,
	OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM,
	OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0,
	OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM,
	OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0,
	OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM,
};

struct ehci_hcd_omap_platform_data {
	enum ehci_hcd_omap_mode		port_mode[OMAP3_HS_USB_PORTS];
	unsigned			phy_reset:1;

	/* have to be valid if phy_reset is true and portx is in phy mode */
	int	reset_gpio_port[OMAP3_HS_USB_PORTS];
};

struct ohci_hcd_omap_platform_data {
	enum ohci_omap3_port_mode	port_mode[OMAP3_HS_USB_PORTS];

	/* Set this to true for ES2.x silicon */
	unsigned			es2_compatibility:1;
};

/*-------------------------------------------------------------------------*/

#define OMAP1_OTG_BASE			0xfffb0400
#define OMAP1_UDC_BASE			0xfffb4000
#define OMAP1_OHCI_BASE			0xfffba000

#define OMAP2_OHCI_BASE			0x4805e000
#define OMAP2_UDC_BASE			0x4805e200
#define OMAP2_OTG_BASE			0x4805e300

#ifdef CONFIG_ARCH_OMAP1

#define OTG_BASE			OMAP1_OTG_BASE
#define UDC_BASE			OMAP1_UDC_BASE
#define OMAP_OHCI_BASE			OMAP1_OHCI_BASE

#else

#define OTG_BASE			OMAP2_OTG_BASE
#define UDC_BASE			OMAP2_UDC_BASE
#define OMAP_OHCI_BASE			OMAP2_OHCI_BASE

struct omap_musb_board_data {
	u8	interface_type;
	u8	mode;
	u16	power;
	unsigned extvbus:1;
};

enum musb_interface    {MUSB_INTERFACE_ULPI, MUSB_INTERFACE_UTMI};

extern void usb_musb_init(struct omap_musb_board_data *board_data);

extern void usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata);

extern void usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata);

#endif


/*
 * FIXME correct answer depends on hmc_mode,
 * as does (on omap1) any nonzero value for config->otg port number
 */
#ifdef	CONFIG_USB_GADGET_OMAP
#define	is_usb0_device(config)	1
#else
#define	is_usb0_device(config)	0
#endif

void omap_otg_init(struct omap_usb_config *config);

#if defined(CONFIG_USB) || defined(CONFIG_USB_MODULE)
void omap1_usb_init(struct omap_usb_config *pdata);
#else
static inline void omap1_usb_init(struct omap_usb_config *pdata)
{
}
#endif

#if defined(CONFIG_ARCH_OMAP_OTG) || defined(CONFIG_ARCH_OMAP_OTG_MODULE)
void omap2_usbfs_init(struct omap_usb_config *pdata);
#else
static inline void omap2_usbfs_init(struct omap_usb_config *pdata)
{
}
#endif

/*-------------------------------------------------------------------------*/

/*
 * OTG and transceiver registers, for OMAPs starting with ARM926
 */
#define OTG_REV				(OTG_BASE + 0x00)
#define OTG_SYSCON_1			(OTG_BASE + 0x04)
#	define	 USB2_TRX_MODE(w)	(((w)>>24)&0x07)
#	define	 USB1_TRX_MODE(w)	(((w)>>20)&0x07)
#	define	 USB0_TRX_MODE(w)	(((w)>>16)&0x07)
#	define	 OTG_IDLE_EN		(1 << 15)
#	define	 HST_IDLE_EN		(1 << 14)
#	define	 DEV_IDLE_EN		(1 << 13)
#	define	 OTG_RESET_DONE		(1 << 2)
#	define	 OTG_SOFT_RESET		(1 << 1)
#define OTG_SYSCON_2			(OTG_BASE + 0x08)
#	define	 OTG_EN			(1 << 31)
#	define	 USBX_SYNCHRO		(1 << 30)
#	define	 OTG_MST16		(1 << 29)
#	define	 SRP_GPDATA		(1 << 28)
#	define	 SRP_GPDVBUS		(1 << 27)
#	define	 SRP_GPUVBUS(w)		(((w)>>24)&0x07)
#	define	 A_WAIT_VRISE(w)	(((w)>>20)&0x07)
#	define	 B_ASE_BRST(w)		(((w)>>16)&0x07)
#	define	 SRP_DPW		(1 << 14)
#	define	 SRP_DATA		(1 << 13)
#	define	 SRP_VBUS		(1 << 12)
#	define	 OTG_PADEN		(1 << 10)
#	define	 HMC_PADEN		(1 << 9)
#	define	 UHOST_EN		(1 << 8)
#	define	 HMC_TLLSPEED		(1 << 7)
#	define	 HMC_TLLATTACH		(1 << 6)
#	define	 OTG_HMC(w)		(((w)>>0)&0x3f)
#define OTG_CTRL			(OTG_BASE + 0x0c)
#	define	 OTG_USB2_EN		(1 << 29)
#	define	 OTG_USB2_DP		(1 << 28)
#	define	 OTG_USB2_DM		(1 << 27)
#	define	 OTG_USB1_EN		(1 << 26)
#	define	 OTG_USB1_DP		(1 << 25)
#	define	 OTG_USB1_DM		(1 << 24)
#	define	 OTG_USB0_EN		(1 << 23)
#	define	 OTG_USB0_DP		(1 << 22)
#	define	 OTG_USB0_DM		(1 << 21)
#	define	 OTG_ASESSVLD		(1 << 20)
#	define	 OTG_BSESSEND		(1 << 19)
#	define	 OTG_BSESSVLD		(1 << 18)
#	define	 OTG_VBUSVLD		(1 << 17)
#	define	 OTG_ID			(1 << 16)
#	define	 OTG_DRIVER_SEL		(1 << 15)
#	define	 OTG_A_SETB_HNPEN	(1 << 12)
#	define	 OTG_A_BUSREQ		(1 << 11)
#	define	 OTG_B_HNPEN		(1 << 9)
#	define	 OTG_B_BUSREQ		(1 << 8)
#	define	 OTG_BUSDROP		(1 << 7)
#	define	 OTG_PULLDOWN		(1 << 5)
#	define	 OTG_PULLUP		(1 << 4)
#	define	 OTG_DRV_VBUS		(1 << 3)
#	define	 OTG_PD_VBUS		(1 << 2)
#	define	 OTG_PU_VBUS		(1 << 1)
#	define	 OTG_PU_ID		(1 << 0)
#define OTG_IRQ_EN			(OTG_BASE + 0x10)	/* 16-bit */
#	define	 DRIVER_SWITCH		(1 << 15)
#	define	 A_VBUS_ERR		(1 << 13)
#	define	 A_REQ_TMROUT		(1 << 12)
#	define	 A_SRP_DETECT		(1 << 11)
#	define	 B_HNP_FAIL		(1 << 10)
#	define	 B_SRP_TMROUT		(1 << 9)
#	define	 B_SRP_DONE		(1 << 8)
#	define	 B_SRP_STARTED		(1 << 7)
#	define	 OPRT_CHG		(1 << 0)
#define OTG_IRQ_SRC			(OTG_BASE + 0x14)	/* 16-bit */
	// same bits as in IRQ_EN
#define OTG_OUTCTRL			(OTG_BASE + 0x18)	/* 16-bit */
#	define	 OTGVPD			(1 << 14)
#	define	 OTGVPU			(1 << 13)
#	define	 OTGPUID		(1 << 12)
#	define	 USB2VDR		(1 << 10)
#	define	 USB2PDEN		(1 << 9)
#	define	 USB2PUEN		(1 << 8)
#	define	 USB1VDR		(1 << 6)
#	define	 USB1PDEN		(1 << 5)
#	define	 USB1PUEN		(1 << 4)
#	define	 USB0VDR		(1 << 2)
#	define	 USB0PDEN		(1 << 1)
#	define	 USB0PUEN		(1 << 0)
#define OTG_TEST			(OTG_BASE + 0x20)	/* 16-bit */
#define OTG_VENDOR_CODE			(OTG_BASE + 0xfc)	/* 16-bit */

/*-------------------------------------------------------------------------*/

/* OMAP1 */
#define	USB_TRANSCEIVER_CTRL		(0xfffe1000 + 0x0064)
#	define	CONF_USB2_UNI_R		(1 << 8)
#	define	CONF_USB1_UNI_R		(1 << 7)
#	define	CONF_USB_PORT0_R(x)	(((x)>>4)&0x7)
#	define	CONF_USB0_ISOLATE_R	(1 << 3)
#	define	CONF_USB_PWRDN_DM_R	(1 << 2)
#	define	CONF_USB_PWRDN_DP_R	(1 << 1)

/* OMAP2 */
#	define	USB_UNIDIR			0x0
#	define	USB_UNIDIR_TLL			0x1
#	define	USB_BIDIR			0x2
#	define	USB_BIDIR_TLL			0x3
#	define	USBTXWRMODEI(port, x)	((x) << (22 - (port * 2)))
#	define	USBT2TLL5PI		(1 << 17)
#	define	USB0PUENACTLOI		(1 << 16)
#	define	USBSTANDBYCTRL		(1 << 15)
/* AM35x */
/* USB 2.0 PHY Control */
#define CONF2_PHY_GPIOMODE	(1 << 23)
#define CONF2_OTGMODE		(3 << 14)
#define CONF2_NO_OVERRIDE	(0 << 14)
#define CONF2_FORCE_HOST	(1 << 14)
#define CONF2_FORCE_DEVICE	(2 << 14)
#define CONF2_FORCE_HOST_VBUS_LOW (3 << 14)
#define CONF2_SESENDEN		(1 << 13)
#define CONF2_VBDTCTEN		(1 << 12)
#define CONF2_REFFREQ_24MHZ	(2 << 8)
#define CONF2_REFFREQ_26MHZ	(7 << 8)
#define CONF2_REFFREQ_13MHZ	(6 << 8)
#define CONF2_REFFREQ		(0xf << 8)
#define CONF2_PHYCLKGD		(1 << 7)
#define CONF2_VBUSSENSE		(1 << 6)
#define CONF2_PHY_PLLON		(1 << 5)
#define CONF2_RESET		(1 << 4)
#define CONF2_PHYPWRDN		(1 << 3)
#define CONF2_OTGPWRDN		(1 << 2)
#define CONF2_DATPOL		(1 << 1)

#if defined(CONFIG_ARCH_OMAP1) && defined(CONFIG_USB)
u32 omap1_usb0_init(unsigned nwires, unsigned is_device);
u32 omap1_usb1_init(unsigned nwires);
u32 omap1_usb2_init(unsigned nwires, unsigned alt_pingroup);
#else
static inline u32 omap1_usb0_init(unsigned nwires, unsigned is_device)
{
	return 0;
}
static inline u32 omap1_usb1_init(unsigned nwires)
{
	return 0;

}
static inline u32 omap1_usb2_init(unsigned nwires, unsigned alt_pingroup)
{
	return 0;
}
#endif

#endif	/* __ASM_ARCH_OMAP_USB_H */