1 /* linux/arch/arm/plat-s3c/include/plat/regs-otg.h
2  *
3  * Copyright (C) 2004 Herbert Poetzl <herbert@13thfloor.at>
4  *
5  * Registers remapping:
6  * Lukasz Majewski <l.majewski@samsumg.com>
7  *
8  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 #ifndef __ASM_ARCH_REGS_USB_OTG_HS_H
12 #define __ASM_ARCH_REGS_USB_OTG_HS_H
13 
14 /* USB2.0 OTG Controller register */
15 struct dwc2_usbotg_phy {
16 	u32 phypwr;
17 	u32 phyclk;
18 	u32 rstcon;
19 };
20 
21 /* Device Logical IN Endpoint-Specific Registers */
22 struct dwc2_dev_in_endp {
23 	u32 diepctl;
24 	u8  res1[4];
25 	u32 diepint;
26 	u8  res2[4];
27 	u32 dieptsiz;
28 	u32 diepdma;
29 	u8  res3[4];
30 	u32 diepdmab;
31 };
32 
33 /* Device Logical OUT Endpoint-Specific Registers */
34 struct dwc2_dev_out_endp {
35 	u32 doepctl;
36 	u8  res1[4];
37 	u32 doepint;
38 	u8  res2[4];
39 	u32 doeptsiz;
40 	u32 doepdma;
41 	u8  res3[4];
42 	u32 doepdmab;
43 };
44 
45 struct ep_fifo {
46 	u32 fifo;
47 	u8  res[4092];
48 };
49 
50 /* USB2.0 OTG Controller register */
51 struct dwc2_usbotg_reg {
52 	/* Core Global Registers */
53 	u32 gotgctl; /* OTG Control & Status */
54 	u32 gotgint; /* OTG Interrupt */
55 	u32 gahbcfg; /* Core AHB Configuration */
56 	u32 gusbcfg; /* Core USB Configuration */
57 	u32 grstctl; /* Core Reset */
58 	u32 gintsts; /* Core Interrupt */
59 	u32 gintmsk; /* Core Interrupt Mask */
60 	u32 grxstsr; /* Receive Status Debug Read/Status Read */
61 	u32 grxstsp; /* Receive Status Debug Pop/Status Pop */
62 	u32 grxfsiz; /* Receive FIFO Size */
63 	u32 gnptxfsiz; /* Non-Periodic Transmit FIFO Size */
64 	u8  res1[216];
65 	u32 dieptxf[15]; /* Device Periodic Transmit FIFO size register */
66 	u8  res2[1728];
67 	/* Device Configuration */
68 	u32 dcfg; /* Device Configuration Register */
69 	u32 dctl; /* Device Control */
70 	u32 dsts; /* Device Status */
71 	u8  res3[4];
72 	u32 diepmsk; /* Device IN Endpoint Common Interrupt Mask */
73 	u32 doepmsk; /* Device OUT Endpoint Common Interrupt Mask */
74 	u32 daint; /* Device All Endpoints Interrupt */
75 	u32 daintmsk; /* Device All Endpoints Interrupt Mask */
76 	u8  res4[224];
77 	struct dwc2_dev_in_endp in_endp[16];
78 	struct dwc2_dev_out_endp out_endp[16];
79 	u8  res5[768];
80 	struct ep_fifo ep[16];
81 };
82 
83 /*===================================================================== */
84 /*definitions related to CSR setting */
85 
86 /* DWC2_UDC_OTG_GOTGCTL */
87 #define B_SESSION_VALID		(0x1<<19)
88 #define A_SESSION_VALID		(0x1<<18)
89 
90 /* DWC2_UDC_OTG_GAHBCFG */
91 #define PTXFE_HALF			(0<<8)
92 #define PTXFE_ZERO			(1<<8)
93 #define NPTXFE_HALF			(0<<7)
94 #define NPTXFE_ZERO			(1<<7)
95 #define MODE_SLAVE			(0<<5)
96 #define MODE_DMA			(1<<5)
97 #define BURST_SINGLE			(0<<1)
98 #define BURST_INCR			(1<<1)
99 #define BURST_INCR4			(3<<1)
100 #define BURST_INCR8			(5<<1)
101 #define BURST_INCR16			(7<<1)
102 #define GBL_INT_UNMASK			(1<<0)
103 #define GBL_INT_MASK			(0<<0)
104 
105 /* DWC2_UDC_OTG_GRSTCTL */
106 #define AHB_MASTER_IDLE		(1u<<31)
107 #define CORE_SOFT_RESET		(0x1<<0)
108 
109 /* DWC2_UDC_OTG_GINTSTS/DWC2_UDC_OTG_GINTMSK core interrupt register */
110 #define INT_RESUME			(1u<<31)
111 #define INT_DISCONN			(0x1<<29)
112 #define INT_CONN_ID_STS_CNG		(0x1<<28)
113 #define INT_OUT_EP			(0x1<<19)
114 #define INT_IN_EP			(0x1<<18)
115 #define INT_ENUMDONE			(0x1<<13)
116 #define INT_RESET			(0x1<<12)
117 #define INT_SUSPEND			(0x1<<11)
118 #define INT_EARLY_SUSPEND		(0x1<<10)
119 #define INT_NP_TX_FIFO_EMPTY		(0x1<<5)
120 #define INT_RX_FIFO_NOT_EMPTY		(0x1<<4)
121 #define INT_SOF			(0x1<<3)
122 #define INT_DEV_MODE			(0x0<<0)
123 #define INT_HOST_MODE			(0x1<<1)
124 #define INT_GOUTNakEff			(0x01<<7)
125 #define INT_GINNakEff			(0x01<<6)
126 
127 #define FULL_SPEED_CONTROL_PKT_SIZE	8
128 #define FULL_SPEED_BULK_PKT_SIZE	64
129 
130 #define HIGH_SPEED_CONTROL_PKT_SIZE	64
131 #define HIGH_SPEED_BULK_PKT_SIZE	512
132 
133 #define RX_FIFO_SIZE			(1024)
134 #define NPTX_FIFO_SIZE			(1024)
135 #define PTX_FIFO_SIZE			(384)
136 
137 #define DEPCTL_TXFNUM_0		(0x0<<22)
138 #define DEPCTL_TXFNUM_1		(0x1<<22)
139 #define DEPCTL_TXFNUM_2		(0x2<<22)
140 #define DEPCTL_TXFNUM_3		(0x3<<22)
141 #define DEPCTL_TXFNUM_4		(0x4<<22)
142 
143 /* Enumeration speed */
144 #define USB_HIGH_30_60MHZ		(0x0<<1)
145 #define USB_FULL_30_60MHZ		(0x1<<1)
146 #define USB_LOW_6MHZ			(0x2<<1)
147 #define USB_FULL_48MHZ			(0x3<<1)
148 
149 /* DWC2_UDC_OTG_GRXSTSP STATUS */
150 #define OUT_PKT_RECEIVED		(0x2<<17)
151 #define OUT_TRANSFER_COMPLELTED	(0x3<<17)
152 #define SETUP_TRANSACTION_COMPLETED	(0x4<<17)
153 #define SETUP_PKT_RECEIVED		(0x6<<17)
154 #define GLOBAL_OUT_NAK			(0x1<<17)
155 
156 /* DWC2_UDC_OTG_DCTL device control register */
157 #define NORMAL_OPERATION		(0x1<<0)
158 #define SOFT_DISCONNECT		(0x1<<1)
159 
160 /* DWC2_UDC_OTG_DAINT device all endpoint interrupt register */
161 #define DAINT_OUT_BIT			(16)
162 #define DAINT_MASK			(0xFFFF)
163 
164 /* DWC2_UDC_OTG_DIEPCTL0/DOEPCTL0 device
165    control IN/OUT endpoint 0 control register */
166 #define DEPCTL_EPENA			(0x1<<31)
167 #define DEPCTL_EPDIS			(0x1<<30)
168 #define DEPCTL_SETD1PID		(0x1<<29)
169 #define DEPCTL_SETD0PID		(0x1<<28)
170 #define DEPCTL_SNAK			(0x1<<27)
171 #define DEPCTL_CNAK			(0x1<<26)
172 #define DEPCTL_STALL			(0x1<<21)
173 #define DEPCTL_TYPE_BIT		(18)
174 #define DEPCTL_TYPE_MASK		(0x3<<18)
175 #define DEPCTL_CTRL_TYPE		(0x0<<18)
176 #define DEPCTL_ISO_TYPE		(0x1<<18)
177 #define DEPCTL_BULK_TYPE		(0x2<<18)
178 #define DEPCTL_INTR_TYPE		(0x3<<18)
179 #define DEPCTL_USBACTEP		(0x1<<15)
180 #define DEPCTL_NEXT_EP_BIT		(11)
181 #define DEPCTL_MPS_BIT			(0)
182 #define DEPCTL_MPS_MASK		(0x7FF)
183 
184 #define DEPCTL0_MPS_64			(0x0<<0)
185 #define DEPCTL0_MPS_32			(0x1<<0)
186 #define DEPCTL0_MPS_16			(0x2<<0)
187 #define DEPCTL0_MPS_8			(0x3<<0)
188 #define DEPCTL_MPS_BULK_512		(512<<0)
189 #define DEPCTL_MPS_INT_MPS_16		(16<<0)
190 
191 #define DIEPCTL0_NEXT_EP_BIT		(11)
192 
193 
194 /* DWC2_UDC_OTG_DIEPMSK/DOEPMSK device IN/OUT endpoint
195    common interrupt mask register */
196 /* DWC2_UDC_OTG_DIEPINTn/DOEPINTn device IN/OUT endpoint interrupt register */
197 #define BACK2BACK_SETUP_RECEIVED	(0x1<<6)
198 #define INTKNEPMIS			(0x1<<5)
199 #define INTKN_TXFEMP			(0x1<<4)
200 #define NON_ISO_IN_EP_TIMEOUT		(0x1<<3)
201 #define CTRL_OUT_EP_SETUP_PHASE_DONE	(0x1<<3)
202 #define AHB_ERROR			(0x1<<2)
203 #define EPDISBLD			(0x1<<1)
204 #define TRANSFER_DONE			(0x1<<0)
205 
206 #define USB_PHY_CTRL_EN0                (0x1 << 0)
207 
208 /* OPHYPWR */
209 #define PHY_0_SLEEP                     (0x1 << 5)
210 #define OTG_DISABLE_0                   (0x1 << 4)
211 #define ANALOG_PWRDOWN                  (0x1 << 3)
212 #define FORCE_SUSPEND_0                 (0x1 << 0)
213 
214 /* URSTCON */
215 #define HOST_SW_RST                     (0x1 << 4)
216 #define PHY_SW_RST1                     (0x1 << 3)
217 #define PHYLNK_SW_RST                   (0x1 << 2)
218 #define LINK_SW_RST                     (0x1 << 1)
219 #define PHY_SW_RST0                     (0x1 << 0)
220 
221 /* OPHYCLK */
222 #define COMMON_ON_N1                    (0x1 << 7)
223 #define COMMON_ON_N0                    (0x1 << 4)
224 #define ID_PULLUP0                      (0x1 << 2)
225 #define CLK_SEL_24MHZ                   (0x3 << 0)
226 #define CLK_SEL_12MHZ                   (0x2 << 0)
227 #define CLK_SEL_48MHZ                   (0x0 << 0)
228 
229 #define EXYNOS4X12_ID_PULLUP0		(0x01 << 3)
230 #define EXYNOS4X12_COMMON_ON_N0	(0x01 << 4)
231 #define EXYNOS4X12_CLK_SEL_12MHZ	(0x02 << 0)
232 #define EXYNOS4X12_CLK_SEL_24MHZ	(0x05 << 0)
233 
234 /* Device Configuration Register DCFG */
235 #define DEV_SPEED_HIGH_SPEED_20         (0x0 << 0)
236 #define DEV_SPEED_FULL_SPEED_20         (0x1 << 0)
237 #define DEV_SPEED_LOW_SPEED_11          (0x2 << 0)
238 #define DEV_SPEED_FULL_SPEED_11         (0x3 << 0)
239 #define EP_MISS_CNT(x)                  (x << 18)
240 #define DEVICE_ADDRESS(x)               (x << 4)
241 
242 /* Core Reset Register (GRSTCTL) */
243 #define TX_FIFO_FLUSH                   (0x1 << 5)
244 #define RX_FIFO_FLUSH                   (0x1 << 4)
245 #define TX_FIFO_NUMBER(x)               (x << 6)
246 #define TX_FIFO_FLUSH_ALL               TX_FIFO_NUMBER(0x10)
247 
248 /* Masks definitions */
249 #define GINTMSK_INIT	(INT_OUT_EP | INT_IN_EP | INT_RESUME | INT_ENUMDONE\
250 			| INT_RESET | INT_SUSPEND)
251 #define DOEPMSK_INIT	(CTRL_OUT_EP_SETUP_PHASE_DONE | AHB_ERROR|TRANSFER_DONE)
252 #define DIEPMSK_INIT	(NON_ISO_IN_EP_TIMEOUT|AHB_ERROR|TRANSFER_DONE)
253 #define GAHBCFG_INIT	(PTXFE_HALF | NPTXFE_HALF | MODE_DMA | BURST_INCR4\
254 			| GBL_INT_UNMASK)
255 
256 /* Device Endpoint X Transfer Size Register (DIEPTSIZX) */
257 #define DIEPT_SIZ_PKT_CNT(x)                      (x << 19)
258 #define DIEPT_SIZ_XFER_SIZE(x)                    (x << 0)
259 
260 /* Device OUT Endpoint X Transfer Size Register (DOEPTSIZX) */
261 #define DOEPT_SIZ_PKT_CNT(x)                      (x << 19)
262 #define DOEPT_SIZ_XFER_SIZE(x)                    (x << 0)
263 #define DOEPT_SIZ_XFER_SIZE_MAX_EP0               (0x7F << 0)
264 #define DOEPT_SIZ_XFER_SIZE_MAX_EP                (0x7FFF << 0)
265 
266 /* Device Endpoint-N Control Register (DIEPCTLn/DOEPCTLn) */
267 #define DIEPCTL_TX_FIFO_NUM(x)                    (x << 22)
268 #define DIEPCTL_TX_FIFO_NUM_MASK                  (~DIEPCTL_TX_FIFO_NUM(0xF))
269 
270 /* Device ALL Endpoints Interrupt Register (DAINT) */
271 #define DAINT_IN_EP_INT(x)                        (x << 0)
272 #define DAINT_OUT_EP_INT(x)                       (x << 16)
273 #endif
274