1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Driver for the NXP ISP1760 chip
5 * Copyright 2021 Linaro, Rui Miguel Silva
6 * Copyright 2014 Laurent Pinchart
7 * Copyright 2007 Sebastian Siewior
15 #ifndef _ISP176x_REGS_H_
16 #define _ISP176x_REGS_H_
18 /* -----------------------------------------------------------------------------
23 /* EHCI capability registers */
24 #define ISP176x_HC_VERSION 0x002
25 #define ISP176x_HC_HCSPARAMS 0x004
26 #define ISP176x_HC_HCCPARAMS 0x008
28 /* EHCI operational registers */
29 #define ISP176x_HC_USBCMD 0x020
30 #define ISP176x_HC_USBSTS 0x024
31 #define ISP176x_HC_FRINDEX 0x02c
33 #define ISP176x_HC_CONFIGFLAG 0x060
34 #define ISP176x_HC_PORTSC1 0x064
36 #define ISP176x_HC_ISO_PTD_DONEMAP 0x130
37 #define ISP176x_HC_ISO_PTD_SKIPMAP 0x134
38 #define ISP176x_HC_ISO_PTD_LASTPTD 0x138
39 #define ISP176x_HC_INT_PTD_DONEMAP 0x140
40 #define ISP176x_HC_INT_PTD_SKIPMAP 0x144
41 #define ISP176x_HC_INT_PTD_LASTPTD 0x148
42 #define ISP176x_HC_ATL_PTD_DONEMAP 0x150
43 #define ISP176x_HC_ATL_PTD_SKIPMAP 0x154
44 #define ISP176x_HC_ATL_PTD_LASTPTD 0x158
46 /* Configuration Register */
47 #define ISP176x_HC_HW_MODE_CTRL 0x300
48 #define ISP176x_HC_CHIP_ID 0x304
49 #define ISP176x_HC_SCRATCH 0x308
50 #define ISP176x_HC_RESET 0x30c
51 #define ISP176x_HC_BUFFER_STATUS 0x334
52 #define ISP176x_HC_MEMORY 0x33c
54 /* Interrupt Register */
55 #define ISP176x_HC_INTERRUPT 0x310
56 #define ISP176x_HC_INTERRUPT_ENABLE 0x314
57 #define ISP176x_HC_ISO_IRQ_MASK_OR 0x318
58 #define ISP176x_HC_INT_IRQ_MASK_OR 0x31c
59 #define ISP176x_HC_ATL_IRQ_MASK_OR 0x320
60 #define ISP176x_HC_ISO_IRQ_MASK_AND 0x324
61 #define ISP176x_HC_INT_IRQ_MASK_AND 0x328
62 #define ISP176x_HC_ATL_IRQ_MASK_AND 0x32c
64 #define ISP176x_HC_OTG_CTRL 0x374
65 #define ISP176x_HC_OTG_CTRL_SET 0x374
66 #define ISP176x_HC_OTG_CTRL_CLEAR 0x376
68 enum isp176x_host_controller_fields {
70 PORT_OWNER, PORT_POWER, PORT_LSTATUS, PORT_RESET, PORT_SUSPEND,
71 PORT_RESUME, PORT_PE, PORT_CSC, PORT_CONNECT,
75 HCC_ISOC_CACHE, HCC_ISOC_THRES,
77 CMD_LRESET, CMD_RESET, CMD_RUN,
85 HC_ISO_PTD_DONEMAP, HC_ISO_PTD_SKIPMAP, HC_ISO_PTD_LASTPTD,
86 HC_INT_PTD_DONEMAP, HC_INT_PTD_SKIPMAP, HC_INT_PTD_LASTPTD,
87 HC_ATL_PTD_DONEMAP, HC_ATL_PTD_SKIPMAP, HC_ATL_PTD_LASTPTD,
89 ALL_ATX_RESET, HW_ANA_DIGI_OC, HW_DEV_DMA, HW_COMN_IRQ, HW_COMN_DMA,
90 HW_DATA_BUS_WIDTH, HW_DACK_POL_HIGH, HW_DREQ_POL_HIGH, HW_INTR_HIGH_ACT,
91 HW_INTF_LOCK, HW_INTR_EDGE_TRIG, HW_GLOBAL_INTR_EN,
93 HC_CHIP_ID_HIGH, HC_CHIP_ID_LOW, HC_CHIP_REV,
97 SW_RESET_RESET_ATX, SW_RESET_RESET_HC, SW_RESET_RESET_ALL,
98 /* HC_BUFFER_STATUS */
99 ISO_BUF_FILL, INT_BUF_FILL, ATL_BUF_FILL,
101 MEM_BANK_SEL, MEM_START_ADDR,
106 /* HC_INTERRUPT_ENABLE */
107 HC_INT_IRQ_ENABLE, HC_ATL_IRQ_ENABLE,
108 /* INTERRUPT MASKS */
109 HC_ISO_IRQ_MASK_OR, HC_INT_IRQ_MASK_OR, HC_ATL_IRQ_MASK_OR,
110 HC_ISO_IRQ_MASK_AND, HC_INT_IRQ_MASK_AND, HC_ATL_IRQ_MASK_AND,
111 /* HW_OTG_CTRL_SET */
112 HW_OTG_DISABLE, HW_SW_SEL_HC_DC, HW_VBUS_DRV, HW_SEL_CP_EXT,
113 HW_DM_PULLDOWN, HW_DP_PULLDOWN, HW_DP_PULLUP, HW_HC_2_DIS,
114 /* HW_OTG_CTRL_CLR */
115 HW_OTG_DISABLE_CLEAR, HW_SW_SEL_HC_DC_CLEAR, HW_VBUS_DRV_CLEAR,
116 HW_SEL_CP_EXT_CLEAR, HW_DM_PULLDOWN_CLEAR, HW_DP_PULLDOWN_CLEAR,
117 HW_DP_PULLUP_CLEAR, HW_HC_2_DIS_CLEAR,
123 /* EHCI operational registers */
124 #define ISP1763_HC_USBCMD 0x8c
125 #define ISP1763_HC_USBSTS 0x90
126 #define ISP1763_HC_FRINDEX 0x98
128 #define ISP1763_HC_CONFIGFLAG 0x9c
129 #define ISP1763_HC_PORTSC1 0xa0
131 #define ISP1763_HC_ISO_PTD_DONEMAP 0xa4
132 #define ISP1763_HC_ISO_PTD_SKIPMAP 0xa6
133 #define ISP1763_HC_ISO_PTD_LASTPTD 0xa8
134 #define ISP1763_HC_INT_PTD_DONEMAP 0xaa
135 #define ISP1763_HC_INT_PTD_SKIPMAP 0xac
136 #define ISP1763_HC_INT_PTD_LASTPTD 0xae
137 #define ISP1763_HC_ATL_PTD_DONEMAP 0xb0
138 #define ISP1763_HC_ATL_PTD_SKIPMAP 0xb2
139 #define ISP1763_HC_ATL_PTD_LASTPTD 0xb4
141 /* Configuration Register */
142 #define ISP1763_HC_HW_MODE_CTRL 0xb6
143 #define ISP1763_HC_CHIP_REV 0x70
144 #define ISP1763_HC_CHIP_ID 0x72
145 #define ISP1763_HC_SCRATCH 0x78
146 #define ISP1763_HC_RESET 0xb8
147 #define ISP1763_HC_BUFFER_STATUS 0xba
148 #define ISP1763_HC_MEMORY 0xc4
149 #define ISP1763_HC_DATA 0xc6
151 /* Interrupt Register */
152 #define ISP1763_HC_INTERRUPT 0xd4
153 #define ISP1763_HC_INTERRUPT_ENABLE 0xd6
154 #define ISP1763_HC_ISO_IRQ_MASK_OR 0xd8
155 #define ISP1763_HC_INT_IRQ_MASK_OR 0xda
156 #define ISP1763_HC_ATL_IRQ_MASK_OR 0xdc
157 #define ISP1763_HC_ISO_IRQ_MASK_AND 0xde
158 #define ISP1763_HC_INT_IRQ_MASK_AND 0xe0
159 #define ISP1763_HC_ATL_IRQ_MASK_AND 0xe2
161 #define ISP1763_HC_OTG_CTRL_SET 0xe4
162 #define ISP1763_HC_OTG_CTRL_CLEAR 0xe6
164 /* -----------------------------------------------------------------------------
165 * Peripheral Controller
168 #define DC_IEPTX(n) (1 << (11 + 2 * (n)))
169 #define DC_IEPRX(n) (1 << (10 + 2 * (n)))
170 #define DC_IEPRXTX(n) (3 << (10 + 2 * (n)))
172 #define ISP176x_DC_CDBGMOD_ACK BIT(6)
173 #define ISP176x_DC_DDBGMODIN_ACK BIT(4)
174 #define ISP176x_DC_DDBGMODOUT_ACK BIT(2)
176 #define ISP176x_DC_IEP0SETUP BIT(8)
177 #define ISP176x_DC_IEVBUS BIT(7)
178 #define ISP176x_DC_IEHS_STA BIT(5)
179 #define ISP176x_DC_IERESM BIT(4)
180 #define ISP176x_DC_IESUSP BIT(3)
181 #define ISP176x_DC_IEBRST BIT(0)
183 #define ISP176x_HW_OTG_DISABLE_CLEAR BIT(26)
184 #define ISP176x_HW_SW_SEL_HC_DC_CLEAR BIT(23)
185 #define ISP176x_HW_VBUS_DRV_CLEAR BIT(20)
186 #define ISP176x_HW_SEL_CP_EXT_CLEAR BIT(19)
187 #define ISP176x_HW_DM_PULLDOWN_CLEAR BIT(18)
188 #define ISP176x_HW_DP_PULLDOWN_CLEAR BIT(17)
189 #define ISP176x_HW_DP_PULLUP_CLEAR BIT(16)
190 #define ISP176x_HW_OTG_DISABLE BIT(10)
191 #define ISP176x_HW_SW_SEL_HC_DC BIT(7)
192 #define ISP176x_HW_VBUS_DRV BIT(4)
193 #define ISP176x_HW_SEL_CP_EXT BIT(3)
194 #define ISP176x_HW_DM_PULLDOWN BIT(2)
195 #define ISP176x_HW_DP_PULLDOWN BIT(1)
196 #define ISP176x_HW_DP_PULLUP BIT(0)
198 #define ISP176x_DC_ENDPTYP_ISOC 0x01
199 #define ISP176x_DC_ENDPTYP_BULK 0x02
200 #define ISP176x_DC_ENDPTYP_INTERRUPT 0x03
202 /* Initialization Registers */
203 #define ISP176x_DC_ADDRESS 0x0200
204 #define ISP176x_DC_MODE 0x020c
205 #define ISP176x_DC_INTCONF 0x0210
206 #define ISP176x_DC_DEBUG 0x0212
207 #define ISP176x_DC_INTENABLE 0x0214
209 /* Data Flow Registers */
210 #define ISP176x_DC_EPMAXPKTSZ 0x0204
211 #define ISP176x_DC_EPTYPE 0x0208
213 #define ISP176x_DC_BUFLEN 0x021c
214 #define ISP176x_DC_BUFSTAT 0x021e
215 #define ISP176x_DC_DATAPORT 0x0220
217 #define ISP176x_DC_CTRLFUNC 0x0228
218 #define ISP176x_DC_EPINDEX 0x022c
221 #define ISP176x_DC_DMACMD 0x0230
222 #define ISP176x_DC_DMATXCOUNT 0x0234
223 #define ISP176x_DC_DMACONF 0x0238
224 #define ISP176x_DC_DMAHW 0x023c
225 #define ISP176x_DC_DMAINTREASON 0x0250
226 #define ISP176x_DC_DMAINTEN 0x0254
227 #define ISP176x_DC_DMAEP 0x0258
228 #define ISP176x_DC_DMABURSTCOUNT 0x0264
230 /* General Registers */
231 #define ISP176x_DC_INTERRUPT 0x0218
232 #define ISP176x_DC_CHIPID 0x0270
233 #define ISP176x_DC_FRAMENUM 0x0274
234 #define ISP176x_DC_SCRATCH 0x0278
235 #define ISP176x_DC_UNLOCKDEV 0x027c
236 #define ISP176x_DC_INTPULSEWIDTH 0x0280
237 #define ISP176x_DC_TESTMODE 0x0284
239 enum isp176x_device_controller_fields {
241 DC_DEVEN, DC_DEVADDR,
243 DC_VBUSSTAT, DC_SFRESET, DC_GLINTENA,
245 DC_CDBGMOD_ACK, DC_DDBGMODIN_ACK, DC_DDBGMODOUT_ACK, DC_INTPOL,
247 DC_IEPRXTX_7, DC_IEPRXTX_6, DC_IEPRXTX_5, DC_IEPRXTX_4, DC_IEPRXTX_3,
248 DC_IEPRXTX_2, DC_IEPRXTX_1, DC_IEPRXTX_0,
249 DC_IEP0SETUP, DC_IEVBUS, DC_IEHS_STA, DC_IERESM, DC_IESUSP, DC_IEBRST,
251 DC_EP0SETUP, DC_ENDPIDX, DC_EPDIR,
253 DC_CLBUF, DC_VENDP, DC_DSEN, DC_STATUS, DC_STALL,
259 DC_EPENABLE, DC_ENDPTYP,
261 DC_FRAMENUM, DC_UFRAMENUM,
263 DC_CHIP_ID_HIGH, DC_CHIP_ID_LOW,
271 /* Initialization Registers */
272 #define ISP1763_DC_ADDRESS 0x00
273 #define ISP1763_DC_MODE 0x0c
274 #define ISP1763_DC_INTCONF 0x10
275 #define ISP1763_DC_INTENABLE 0x14
277 /* Data Flow Registers */
278 #define ISP1763_DC_EPMAXPKTSZ 0x04
279 #define ISP1763_DC_EPTYPE 0x08
281 #define ISP1763_DC_BUFLEN 0x1c
282 #define ISP1763_DC_BUFSTAT 0x1e
283 #define ISP1763_DC_DATAPORT 0x20
285 #define ISP1763_DC_CTRLFUNC 0x28
286 #define ISP1763_DC_EPINDEX 0x2c
289 #define ISP1763_DC_DMACMD 0x30
290 #define ISP1763_DC_DMATXCOUNT 0x34
291 #define ISP1763_DC_DMACONF 0x38
292 #define ISP1763_DC_DMAHW 0x3c
293 #define ISP1763_DC_DMAINTREASON 0x50
294 #define ISP1763_DC_DMAINTEN 0x54
295 #define ISP1763_DC_DMAEP 0x58
296 #define ISP1763_DC_DMABURSTCOUNT 0x64
298 /* General Registers */
299 #define ISP1763_DC_INTERRUPT 0x18
300 #define ISP1763_DC_CHIPID_LOW 0x70
301 #define ISP1763_DC_CHIPID_HIGH 0x72
302 #define ISP1763_DC_FRAMENUM 0x74
303 #define ISP1763_DC_SCRATCH 0x78
304 #define ISP1763_DC_UNLOCKDEV 0x7c
305 #define ISP1763_DC_INTPULSEWIDTH 0x80
306 #define ISP1763_DC_TESTMODE 0x84