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usb.h
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1 /*
2  * FIXME correct answer depends on hmc_mode,
3  * as does (on omap1) any nonzero value for config->otg port number
4  */
5 #ifdef CONFIG_USB_GADGET_OMAP
6 #define is_usb0_device(config) 1
7 #else
8 #define is_usb0_device(config) 0
9 #endif
10 
11 struct omap_usb_config {
12  /* Configure drivers according to the connectors on your board:
13  * - "A" connector (rectagular)
14  * ... for host/OHCI use, set "register_host".
15  * - "B" connector (squarish) or "Mini-B"
16  * ... for device/gadget use, set "register_dev".
17  * - "Mini-AB" connector (very similar to Mini-B)
18  * ... for OTG use as device OR host, initialize "otg"
19  */
20  unsigned register_host:1;
21  unsigned register_dev:1;
22  u8 otg; /* port number, 1-based: usb1 == 2 */
23 
24  u8 hmc_mode;
25 
26  /* implicitly true if otg: host supports remote wakeup? */
27  u8 rwc;
28 
29  /* signaling pins used to talk to transceiver on usbN:
30  * 0 == usbN unused
31  * 2 == usb0-only, using internal transceiver
32  * 3 == 3 wire bidirectional
33  * 4 == 4 wire bidirectional
34  * 6 == 6 wire unidirectional (or TLL)
35  */
36  u8 pins[3];
37 
38  struct platform_device *udc_device;
39  struct platform_device *ohci_device;
40  struct platform_device *otg_device;
41 
42  u32 (*usb0_init)(unsigned nwires, unsigned is_device);
43  u32 (*usb1_init)(unsigned nwires);
44  u32 (*usb2_init)(unsigned nwires, unsigned alt_pingroup);
45 
46  int (*ocpi_enable)(void);
47 };
48 
49 void omap_otg_init(struct omap_usb_config *config);
50 
51 #if defined(CONFIG_USB) || defined(CONFIG_USB_MODULE)
52 void omap1_usb_init(struct omap_usb_config *pdata);
53 #else
54 static inline void omap1_usb_init(struct omap_usb_config *pdata)
55 {
56 }
57 #endif
58 
59 #define OMAP1_OTG_BASE 0xfffb0400
60 #define OMAP1_UDC_BASE 0xfffb4000
61 #define OMAP1_OHCI_BASE 0xfffba000
62 
63 #define OMAP2_OHCI_BASE 0x4805e000
64 #define OMAP2_UDC_BASE 0x4805e200
65 #define OMAP2_OTG_BASE 0x4805e300
66 #define OTG_BASE OMAP1_OTG_BASE
67 #define UDC_BASE OMAP1_UDC_BASE
68 #define OMAP_OHCI_BASE OMAP1_OHCI_BASE
69 
70 /*
71  * OTG and transceiver registers, for OMAPs starting with ARM926
72  */
73 #define OTG_REV (OTG_BASE + 0x00)
74 #define OTG_SYSCON_1 (OTG_BASE + 0x04)
75 # define USB2_TRX_MODE(w) (((w)>>24)&0x07)
76 # define USB1_TRX_MODE(w) (((w)>>20)&0x07)
77 # define USB0_TRX_MODE(w) (((w)>>16)&0x07)
78 # define OTG_IDLE_EN (1 << 15)
79 # define HST_IDLE_EN (1 << 14)
80 # define DEV_IDLE_EN (1 << 13)
81 # define OTG_RESET_DONE (1 << 2)
82 # define OTG_SOFT_RESET (1 << 1)
83 #define OTG_SYSCON_2 (OTG_BASE + 0x08)
84 # define OTG_EN (1 << 31)
85 # define USBX_SYNCHRO (1 << 30)
86 # define OTG_MST16 (1 << 29)
87 # define SRP_GPDATA (1 << 28)
88 # define SRP_GPDVBUS (1 << 27)
89 # define SRP_GPUVBUS(w) (((w)>>24)&0x07)
90 # define A_WAIT_VRISE(w) (((w)>>20)&0x07)
91 # define B_ASE_BRST(w) (((w)>>16)&0x07)
92 # define SRP_DPW (1 << 14)
93 # define SRP_DATA (1 << 13)
94 # define SRP_VBUS (1 << 12)
95 # define OTG_PADEN (1 << 10)
96 # define HMC_PADEN (1 << 9)
97 # define UHOST_EN (1 << 8)
98 # define HMC_TLLSPEED (1 << 7)
99 # define HMC_TLLATTACH (1 << 6)
100 # define OTG_HMC(w) (((w)>>0)&0x3f)
101 #define OTG_CTRL (OTG_BASE + 0x0c)
102 # define OTG_USB2_EN (1 << 29)
103 # define OTG_USB2_DP (1 << 28)
104 # define OTG_USB2_DM (1 << 27)
105 # define OTG_USB1_EN (1 << 26)
106 # define OTG_USB1_DP (1 << 25)
107 # define OTG_USB1_DM (1 << 24)
108 # define OTG_USB0_EN (1 << 23)
109 # define OTG_USB0_DP (1 << 22)
110 # define OTG_USB0_DM (1 << 21)
111 # define OTG_ASESSVLD (1 << 20)
112 # define OTG_BSESSEND (1 << 19)
113 # define OTG_BSESSVLD (1 << 18)
114 # define OTG_VBUSVLD (1 << 17)
115 # define OTG_ID (1 << 16)
116 # define OTG_DRIVER_SEL (1 << 15)
117 # define OTG_A_SETB_HNPEN (1 << 12)
118 # define OTG_A_BUSREQ (1 << 11)
119 # define OTG_B_HNPEN (1 << 9)
120 # define OTG_B_BUSREQ (1 << 8)
121 # define OTG_BUSDROP (1 << 7)
122 # define OTG_PULLDOWN (1 << 5)
123 # define OTG_PULLUP (1 << 4)
124 # define OTG_DRV_VBUS (1 << 3)
125 # define OTG_PD_VBUS (1 << 2)
126 # define OTG_PU_VBUS (1 << 1)
127 # define OTG_PU_ID (1 << 0)
128 #define OTG_IRQ_EN (OTG_BASE + 0x10) /* 16-bit */
129 # define DRIVER_SWITCH (1 << 15)
130 # define A_VBUS_ERR (1 << 13)
131 # define A_REQ_TMROUT (1 << 12)
132 # define A_SRP_DETECT (1 << 11)
133 # define B_HNP_FAIL (1 << 10)
134 # define B_SRP_TMROUT (1 << 9)
135 # define B_SRP_DONE (1 << 8)
136 # define B_SRP_STARTED (1 << 7)
137 # define OPRT_CHG (1 << 0)
138 #define OTG_IRQ_SRC (OTG_BASE + 0x14) /* 16-bit */
139  // same bits as in IRQ_EN
140 #define OTG_OUTCTRL (OTG_BASE + 0x18) /* 16-bit */
141 # define OTGVPD (1 << 14)
142 # define OTGVPU (1 << 13)
143 # define OTGPUID (1 << 12)
144 # define USB2VDR (1 << 10)
145 # define USB2PDEN (1 << 9)
146 # define USB2PUEN (1 << 8)
147 # define USB1VDR (1 << 6)
148 # define USB1PDEN (1 << 5)
149 # define USB1PUEN (1 << 4)
150 # define USB0VDR (1 << 2)
151 # define USB0PDEN (1 << 1)
152 # define USB0PUEN (1 << 0)
153 #define OTG_TEST (OTG_BASE + 0x20) /* 16-bit */
154 #define OTG_VENDOR_CODE (OTG_BASE + 0xfc) /* 16-bit */
155 
156 /*-------------------------------------------------------------------------*/
157 
158 /* OMAP1 */
159 #define USB_TRANSCEIVER_CTRL (0xfffe1000 + 0x0064)
160 # define CONF_USB2_UNI_R (1 << 8)
161 # define CONF_USB1_UNI_R (1 << 7)
162 # define CONF_USB_PORT0_R(x) (((x)>>4)&0x7)
163 # define CONF_USB0_ISOLATE_R (1 << 3)
164 # define CONF_USB_PWRDN_DM_R (1 << 2)
165 # define CONF_USB_PWRDN_DP_R (1 << 1)
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