xref: /openbmc/u-boot/include/linux/usb/dwc3.h (revision c15b0b86)
1 /* include/linux/usb/dwc3.h
2  *
3  * Copyright (c) 2012 Samsung Electronics Co. Ltd
4  *
5  * Designware SuperSpeed USB 3.0 DRD Controller global and OTG registers
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #ifndef __DWC3_H_
11 #define __DWC3_H_
12 
13 /* Global constants */
14 #define DWC3_ENDPOINTS_NUM			32
15 
16 #define DWC3_EVENT_BUFFERS_SIZE			PAGE_SIZE
17 #define DWC3_EVENT_TYPE_MASK			0xfe
18 
19 #define DWC3_EVENT_TYPE_DEV			0
20 #define DWC3_EVENT_TYPE_CARKIT			3
21 #define DWC3_EVENT_TYPE_I2C			4
22 
23 #define DWC3_DEVICE_EVENT_DISCONNECT		0
24 #define DWC3_DEVICE_EVENT_RESET			1
25 #define DWC3_DEVICE_EVENT_CONNECT_DONE		2
26 #define DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE	3
27 #define DWC3_DEVICE_EVENT_WAKEUP		4
28 #define DWC3_DEVICE_EVENT_EOPF			6
29 #define DWC3_DEVICE_EVENT_SOF			7
30 #define DWC3_DEVICE_EVENT_ERRATIC_ERROR		9
31 #define DWC3_DEVICE_EVENT_CMD_CMPL		10
32 #define DWC3_DEVICE_EVENT_OVERFLOW		11
33 
34 #define DWC3_GEVNTCOUNT_MASK			0xfffc
35 #define DWC3_GSNPSID_MASK			0xffff0000
36 #define DWC3_GSNPSID_SHIFT			16
37 #define DWC3_GSNPSREV_MASK			0xffff
38 
39 #define DWC3_REVISION_MASK			0xffff
40 
41 #define DWC3_REG_OFFSET				0xC100
42 
43 struct g_event_buffer {
44 	u64 g_evntadr;
45 	u32 g_evntsiz;
46 	u32 g_evntcount;
47 };
48 
49 struct d_physical_endpoint {
50 	u32 d_depcmdpar2;
51 	u32 d_depcmdpar1;
52 	u32 d_depcmdpar0;
53 	u32 d_depcmd;
54 };
55 
56 struct dwc3 {					/* offset: 0xC100 */
57 	u32 g_sbuscfg0;
58 	u32 g_sbuscfg1;
59 	u32 g_txthrcfg;
60 	u32 g_rxthrcfg;
61 	u32 g_ctl;
62 
63 	u32 reserved1;
64 
65 	u32 g_sts;
66 
67 	u32 reserved2;
68 
69 	u32 g_snpsid;
70 	u32 g_gpio;
71 	u32 g_uid;
72 	u32 g_uctl;
73 	u64 g_buserraddr;
74 	u64 g_prtbimap;
75 
76 	u32 g_hwparams0;
77 	u32 g_hwparams1;
78 	u32 g_hwparams2;
79 	u32 g_hwparams3;
80 	u32 g_hwparams4;
81 	u32 g_hwparams5;
82 	u32 g_hwparams6;
83 	u32 g_hwparams7;
84 
85 	u32 g_dbgfifospace;
86 	u32 g_dbgltssm;
87 	u32 g_dbglnmcc;
88 	u32 g_dbgbmu;
89 	u32 g_dbglspmux;
90 	u32 g_dbglsp;
91 	u32 g_dbgepinfo0;
92 	u32 g_dbgepinfo1;
93 
94 	u64 g_prtbimap_hs;
95 	u64 g_prtbimap_fs;
96 
97 	u32 reserved3[28];
98 
99 	u32 g_usb2phycfg[16];
100 	u32 g_usb2i2cctl[16];
101 	u32 g_usb2phyacc[16];
102 	u32 g_usb3pipectl[16];
103 
104 	u32 g_txfifosiz[32];
105 	u32 g_rxfifosiz[32];
106 
107 	struct g_event_buffer g_evnt_buf[32];
108 
109 	u32 g_hwparams8;
110 
111 	u32 reserved4[63];
112 
113 	u32 d_cfg;
114 	u32 d_ctl;
115 	u32 d_evten;
116 	u32 d_sts;
117 	u32 d_gcmdpar;
118 	u32 d_gcmd;
119 
120 	u32 reserved5[2];
121 
122 	u32 d_alepena;
123 
124 	u32 reserved6[55];
125 
126 	struct d_physical_endpoint d_phy_ep_cmd[32];
127 
128 	u32 reserved7[128];
129 
130 	u32 o_cfg;
131 	u32 o_ctl;
132 	u32 o_evt;
133 	u32 o_evten;
134 	u32 o_sts;
135 
136 	u32 reserved8[3];
137 
138 	u32 adp_cfg;
139 	u32 adp_ctl;
140 	u32 adp_evt;
141 	u32 adp_evten;
142 
143 	u32 bc_cfg;
144 
145 	u32 reserved9;
146 
147 	u32 bc_evt;
148 	u32 bc_evten;
149 };
150 
151 /* Global Configuration Register */
152 #define DWC3_GCTL_PWRDNSCALE(n)			((n) << 19)
153 #define DWC3_GCTL_U2RSTECN			(1 << 16)
154 #define DWC3_GCTL_RAMCLKSEL(x)			\
155 		(((x) & DWC3_GCTL_CLK_MASK) << 6)
156 #define DWC3_GCTL_CLK_BUS			(0)
157 #define DWC3_GCTL_CLK_PIPE			(1)
158 #define DWC3_GCTL_CLK_PIPEHALF			(2)
159 #define DWC3_GCTL_CLK_MASK			(3)
160 #define DWC3_GCTL_PRTCAP(n)			(((n) & (3 << 12)) >> 12)
161 #define DWC3_GCTL_PRTCAPDIR(n)			((n) << 12)
162 #define DWC3_GCTL_PRTCAP_HOST			1
163 #define DWC3_GCTL_PRTCAP_DEVICE			2
164 #define DWC3_GCTL_PRTCAP_OTG			3
165 #define DWC3_GCTL_CORESOFTRESET			(1 << 11)
166 #define DWC3_GCTL_SCALEDOWN(n)			((n) << 4)
167 #define DWC3_GCTL_SCALEDOWN_MASK		DWC3_GCTL_SCALEDOWN(3)
168 #define DWC3_GCTL_DISSCRAMBLE			(1 << 3)
169 #define DWC3_GCTL_DSBLCLKGTNG			(1 << 0)
170 
171 /* Global HWPARAMS1 Register */
172 #define DWC3_GHWPARAMS1_EN_PWROPT(n)		(((n) & (3 << 24)) >> 24)
173 #define DWC3_GHWPARAMS1_EN_PWROPT_NO		0
174 #define DWC3_GHWPARAMS1_EN_PWROPT_CLK		1
175 
176 /* Global USB2 PHY Configuration Register */
177 #define DWC3_GUSB2PHYCFG_PHYSOFTRST		(1 << 31)
178 #define DWC3_GUSB2PHYCFG_SUSPHY			(1 << 6)
179 
180 /* Global USB3 PIPE Control Register */
181 #define DWC3_GUSB3PIPECTL_PHYSOFTRST		(1 << 31)
182 #define DWC3_GUSB3PIPECTL_SUSPHY		(1 << 17)
183 
184 /* Global TX Fifo Size Register */
185 #define DWC3_GTXFIFOSIZ_TXFDEF(n)		((n) & 0xffff)
186 #define DWC3_GTXFIFOSIZ_TXFSTADDR(n)		((n) & 0xffff0000)
187 
188 #endif /* __DWC3_H_ */
189