xref: /openbmc/u-boot/include/linux/usb/dwc3.h (revision 7682a998)
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 	u32 g_evntadrlo;
45 	u32 g_evntadrhi;
46 	u32 g_evntsiz;
47 	u32 g_evntcount;
48 };
49 
50 struct d_physical_endpoint {
51 	u32 d_depcmdpar2;
52 	u32 d_depcmdpar1;
53 	u32 d_depcmdpar0;
54 	u32 d_depcmd;
55 };
56 
57 struct dwc3 {					/* offset: 0xC100 */
58 	u32 g_sbuscfg0;
59 	u32 g_sbuscfg1;
60 	u32 g_txthrcfg;
61 	u32 g_rxthrcfg;
62 	u32 g_ctl;
63 
64 	u32 reserved1;
65 
66 	u32 g_sts;
67 
68 	u32 reserved2;
69 
70 	u32 g_snpsid;
71 	u32 g_gpio;
72 	u32 g_uid;
73 	u32 g_uctl;
74 	u64 g_buserraddr;
75 	u64 g_prtbimap;
76 
77 	u32 g_hwparams0;
78 	u32 g_hwparams1;
79 	u32 g_hwparams2;
80 	u32 g_hwparams3;
81 	u32 g_hwparams4;
82 	u32 g_hwparams5;
83 	u32 g_hwparams6;
84 	u32 g_hwparams7;
85 
86 	u32 g_dbgfifospace;
87 	u32 g_dbgltssm;
88 	u32 g_dbglnmcc;
89 	u32 g_dbgbmu;
90 	u32 g_dbglspmux;
91 	u32 g_dbglsp;
92 	u32 g_dbgepinfo0;
93 	u32 g_dbgepinfo1;
94 
95 	u64 g_prtbimap_hs;
96 	u64 g_prtbimap_fs;
97 
98 	u32 reserved3[28];
99 
100 	u32 g_usb2phycfg[16];
101 	u32 g_usb2i2cctl[16];
102 	u32 g_usb2phyacc[16];
103 	u32 g_usb3pipectl[16];
104 
105 	u32 g_txfifosiz[32];
106 	u32 g_rxfifosiz[32];
107 
108 	struct g_event_buffer g_evnt_buf[32];
109 
110 	u32 g_hwparams8;
111 
112 	u32 reserved4[63];
113 
114 	u32 d_cfg;
115 	u32 d_ctl;
116 	u32 d_evten;
117 	u32 d_sts;
118 	u32 d_gcmdpar;
119 	u32 d_gcmd;
120 
121 	u32 reserved5[2];
122 
123 	u32 d_alepena;
124 
125 	u32 reserved6[55];
126 
127 	struct d_physical_endpoint d_phy_ep_cmd[32];
128 
129 	u32 reserved7[128];
130 
131 	u32 o_cfg;
132 	u32 o_ctl;
133 	u32 o_evt;
134 	u32 o_evten;
135 	u32 o_sts;
136 
137 	u32 reserved8[3];
138 
139 	u32 adp_cfg;
140 	u32 adp_ctl;
141 	u32 adp_evt;
142 	u32 adp_evten;
143 
144 	u32 bc_cfg;
145 
146 	u32 reserved9;
147 
148 	u32 bc_evt;
149 	u32 bc_evten;
150 };
151 
152 /* Global Configuration Register */
153 #define DWC3_GCTL_PWRDNSCALE(n)			((n) << 19)
154 #define DWC3_GCTL_U2RSTECN			(1 << 16)
155 #define DWC3_GCTL_RAMCLKSEL(x)			\
156 		(((x) & DWC3_GCTL_CLK_MASK) << 6)
157 #define DWC3_GCTL_CLK_BUS			(0)
158 #define DWC3_GCTL_CLK_PIPE			(1)
159 #define DWC3_GCTL_CLK_PIPEHALF			(2)
160 #define DWC3_GCTL_CLK_MASK			(3)
161 #define DWC3_GCTL_PRTCAP(n)			(((n) & (3 << 12)) >> 12)
162 #define DWC3_GCTL_PRTCAPDIR(n)			((n) << 12)
163 #define DWC3_GCTL_PRTCAP_HOST			1
164 #define DWC3_GCTL_PRTCAP_DEVICE			2
165 #define DWC3_GCTL_PRTCAP_OTG			3
166 #define DWC3_GCTL_CORESOFTRESET			(1 << 11)
167 #define DWC3_GCTL_SCALEDOWN(n)			((n) << 4)
168 #define DWC3_GCTL_SCALEDOWN_MASK		DWC3_GCTL_SCALEDOWN(3)
169 #define DWC3_GCTL_DISSCRAMBLE			(1 << 3)
170 #define DWC3_GCTL_DSBLCLKGTNG			(1 << 0)
171 
172 /* Global HWPARAMS1 Register */
173 #define DWC3_GHWPARAMS1_EN_PWROPT(n)		(((n) & (3 << 24)) >> 24)
174 #define DWC3_GHWPARAMS1_EN_PWROPT_NO		0
175 #define DWC3_GHWPARAMS1_EN_PWROPT_CLK		1
176 
177 /* Global USB2 PHY Configuration Register */
178 #define DWC3_GUSB2PHYCFG_PHYSOFTRST		(1 << 31)
179 #define DWC3_GUSB2PHYCFG_SUSPHY			(1 << 6)
180 
181 /* Global USB3 PIPE Control Register */
182 #define DWC3_GUSB3PIPECTL_PHYSOFTRST		(1 << 31)
183 #define DWC3_GUSB3PIPECTL_SUSPHY		(1 << 17)
184 
185 /* Global TX Fifo Size Register */
186 #define DWC3_GTXFIFOSIZ_TXFDEF(n)		((n) & 0xffff)
187 #define DWC3_GTXFIFOSIZ_TXFSTADDR(n)		((n) & 0xffff0000)
188 
189 /* Device Control Register */
190 #define DWC3_DCTL_RUN_STOP			(1 << 31)
191 #define DWC3_DCTL_CSFTRST			(1 << 30)
192 #define DWC3_DCTL_LSFTRST			(1 << 29)
193 
194 #endif /* __DWC3_H_ */
195