1 // SPDX-License-Identifier: GPL-2.0
3 * Driver for the NXP ISP1760 chip
5 * Copyright 2014 Laurent Pinchart
6 * Copyright 2007 Sebastian Siewior
9 * Sebastian Siewior <bigeasy@linutronix.de>
10 * Laurent Pinchart <laurent.pinchart@ideasonboard.com>
13 #ifndef _ISP1760_REGS_H_
14 #define _ISP1760_REGS_H_
16 /* -----------------------------------------------------------------------------
20 /* EHCI capability registers */
21 #define HC_CAPLENGTH 0x000
22 #define HC_LENGTH(p) (((p) >> 00) & 0x00ff) /* bits 7:0 */
23 #define HC_VERSION(p) (((p) >> 16) & 0xffff) /* bits 31:16 */
25 #define HC_HCSPARAMS 0x004
26 #define HCS_INDICATOR(p) ((p) & (1 << 16)) /* true: has port indicators */
27 #define HCS_PPC(p) ((p) & (1 << 4)) /* true: port power control */
28 #define HCS_N_PORTS(p) (((p) >> 0) & 0xf) /* bits 3:0, ports on HC */
30 #define HC_HCCPARAMS 0x008
31 #define HCC_ISOC_CACHE(p) ((p) & (1 << 7)) /* true: can cache isoc frame */
32 #define HCC_ISOC_THRES(p) (((p) >> 4) & 0x7) /* bits 6:4, uframes cached */
34 /* EHCI operational registers */
35 #define HC_USBCMD 0x020
36 #define CMD_LRESET (1 << 7) /* partial reset (no ports, etc) */
37 #define CMD_RESET (1 << 1) /* reset HC not bus */
38 #define CMD_RUN (1 << 0) /* start/stop HC */
40 #define HC_USBSTS 0x024
41 #define STS_PCD (1 << 2) /* port change detect */
43 #define HC_FRINDEX 0x02c
45 #define HC_CONFIGFLAG 0x060
46 #define FLAG_CF (1 << 0) /* true: we'll support "high speed" */
48 #define HC_PORTSC1 0x064
49 #define PORT_OWNER (1 << 13) /* true: companion hc owns this port */
50 #define PORT_POWER (1 << 12) /* true: has power (see PPC) */
51 #define PORT_USB11(x) (((x) & (3 << 10)) == (1 << 10)) /* USB 1.1 device */
52 #define PORT_RESET (1 << 8) /* reset port */
53 #define PORT_SUSPEND (1 << 7) /* suspend port */
54 #define PORT_RESUME (1 << 6) /* resume it */
55 #define PORT_PE (1 << 2) /* port enable */
56 #define PORT_CSC (1 << 1) /* connect status change */
57 #define PORT_CONNECT (1 << 0) /* device connected */
58 #define PORT_RWC_BITS (PORT_CSC)
60 #define HC_ISO_PTD_DONEMAP_REG 0x130
61 #define HC_ISO_PTD_SKIPMAP_REG 0x134
62 #define HC_ISO_PTD_LASTPTD_REG 0x138
63 #define HC_INT_PTD_DONEMAP_REG 0x140
64 #define HC_INT_PTD_SKIPMAP_REG 0x144
65 #define HC_INT_PTD_LASTPTD_REG 0x148
66 #define HC_ATL_PTD_DONEMAP_REG 0x150
67 #define HC_ATL_PTD_SKIPMAP_REG 0x154
68 #define HC_ATL_PTD_LASTPTD_REG 0x158
70 /* Configuration Register */
71 #define HC_HW_MODE_CTRL 0x300
72 #define ALL_ATX_RESET (1 << 31)
73 #define HW_ANA_DIGI_OC (1 << 15)
74 #define HW_DEV_DMA (1 << 11)
75 #define HW_COMN_IRQ (1 << 10)
76 #define HW_COMN_DMA (1 << 9)
77 #define HW_DATA_BUS_32BIT (1 << 8)
78 #define HW_DACK_POL_HIGH (1 << 6)
79 #define HW_DREQ_POL_HIGH (1 << 5)
80 #define HW_INTR_HIGH_ACT (1 << 2)
81 #define HW_INTR_EDGE_TRIG (1 << 1)
82 #define HW_GLOBAL_INTR_EN (1 << 0)
84 #define HC_CHIP_ID_REG 0x304
85 #define HC_SCRATCH_REG 0x308
87 #define HC_RESET_REG 0x30c
88 #define SW_RESET_RESET_HC (1 << 1)
89 #define SW_RESET_RESET_ALL (1 << 0)
91 #define HC_BUFFER_STATUS_REG 0x334
92 #define ISO_BUF_FILL (1 << 2)
93 #define INT_BUF_FILL (1 << 1)
94 #define ATL_BUF_FILL (1 << 0)
96 #define HC_MEMORY_REG 0x33c
97 #define ISP_BANK(x) ((x) << 16)
99 #define HC_PORT1_CTRL 0x374
100 #define PORT1_POWER (3 << 3)
101 #define PORT1_INIT1 (1 << 7)
102 #define PORT1_INIT2 (1 << 23)
103 #define HW_OTG_CTRL_SET 0x374
104 #define HW_OTG_CTRL_CLR 0x376
105 #define HW_OTG_DISABLE (1 << 10)
106 #define HW_OTG_SE0_EN (1 << 9)
107 #define HW_BDIS_ACON_EN (1 << 8)
108 #define HW_SW_SEL_HC_DC (1 << 7)
109 #define HW_VBUS_CHRG (1 << 6)
110 #define HW_VBUS_DISCHRG (1 << 5)
111 #define HW_VBUS_DRV (1 << 4)
112 #define HW_SEL_CP_EXT (1 << 3)
113 #define HW_DM_PULLDOWN (1 << 2)
114 #define HW_DP_PULLDOWN (1 << 1)
115 #define HW_DP_PULLUP (1 << 0)
117 /* Interrupt Register */
118 #define HC_INTERRUPT_REG 0x310
120 #define HC_INTERRUPT_ENABLE 0x314
121 #define HC_ISO_INT (1 << 9)
122 #define HC_ATL_INT (1 << 8)
123 #define HC_INTL_INT (1 << 7)
124 #define HC_EOT_INT (1 << 3)
125 #define HC_SOT_INT (1 << 1)
126 #define INTERRUPT_ENABLE_MASK (HC_INTL_INT | HC_ATL_INT)
128 #define HC_ISO_IRQ_MASK_OR_REG 0x318
129 #define HC_INT_IRQ_MASK_OR_REG 0x31c
130 #define HC_ATL_IRQ_MASK_OR_REG 0x320
131 #define HC_ISO_IRQ_MASK_AND_REG 0x324
132 #define HC_INT_IRQ_MASK_AND_REG 0x328
133 #define HC_ATL_IRQ_MASK_AND_REG 0x32c
135 /* -----------------------------------------------------------------------------
136 * Peripheral Controller
139 /* Initialization Registers */
140 #define DC_ADDRESS 0x0200
141 #define DC_DEVEN (1 << 7)
143 #define DC_MODE 0x020c
144 #define DC_DMACLKON (1 << 9)
145 #define DC_VBUSSTAT (1 << 8)
146 #define DC_CLKAON (1 << 7)
147 #define DC_SNDRSU (1 << 6)
148 #define DC_GOSUSP (1 << 5)
149 #define DC_SFRESET (1 << 4)
150 #define DC_GLINTENA (1 << 3)
151 #define DC_WKUPCS (1 << 2)
153 #define DC_INTCONF 0x0210
154 #define DC_CDBGMOD_ACK_NAK (0 << 6)
155 #define DC_CDBGMOD_ACK (1 << 6)
156 #define DC_CDBGMOD_ACK_1NAK (2 << 6)
157 #define DC_DDBGMODIN_ACK_NAK (0 << 4)
158 #define DC_DDBGMODIN_ACK (1 << 4)
159 #define DC_DDBGMODIN_ACK_1NAK (2 << 4)
160 #define DC_DDBGMODOUT_ACK_NYET_NAK (0 << 2)
161 #define DC_DDBGMODOUT_ACK_NYET (1 << 2)
162 #define DC_DDBGMODOUT_ACK_NYET_1NAK (2 << 2)
163 #define DC_INTLVL (1 << 1)
164 #define DC_INTPOL (1 << 0)
166 #define DC_DEBUG 0x0212
167 #define DC_INTENABLE 0x0214
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)))
171 #define DC_IEP0SETUP (1 << 8)
172 #define DC_IEVBUS (1 << 7)
173 #define DC_IEDMA (1 << 6)
174 #define DC_IEHS_STA (1 << 5)
175 #define DC_IERESM (1 << 4)
176 #define DC_IESUSP (1 << 3)
177 #define DC_IEPSOF (1 << 2)
178 #define DC_IESOF (1 << 1)
179 #define DC_IEBRST (1 << 0)
181 /* Data Flow Registers */
182 #define DC_EPINDEX 0x022c
183 #define DC_EP0SETUP (1 << 5)
184 #define DC_ENDPIDX(n) ((n) << 1)
185 #define DC_EPDIR (1 << 0)
187 #define DC_CTRLFUNC 0x0228
188 #define DC_CLBUF (1 << 4)
189 #define DC_VENDP (1 << 3)
190 #define DC_DSEN (1 << 2)
191 #define DC_STATUS (1 << 1)
192 #define DC_STALL (1 << 0)
194 #define DC_DATAPORT 0x0220
195 #define DC_BUFLEN 0x021c
196 #define DC_DATACOUNT_MASK 0xffff
197 #define DC_BUFSTAT 0x021e
198 #define DC_EPMAXPKTSZ 0x0204
200 #define DC_EPTYPE 0x0208
201 #define DC_NOEMPKT (1 << 4)
202 #define DC_EPENABLE (1 << 3)
203 #define DC_DBLBUF (1 << 2)
204 #define DC_ENDPTYP_ISOC (1 << 0)
205 #define DC_ENDPTYP_BULK (2 << 0)
206 #define DC_ENDPTYP_INTERRUPT (3 << 0)
209 #define DC_DMACMD 0x0230
210 #define DC_DMATXCOUNT 0x0234
211 #define DC_DMACONF 0x0238
212 #define DC_DMAHW 0x023c
213 #define DC_DMAINTREASON 0x0250
214 #define DC_DMAINTEN 0x0254
215 #define DC_DMAEP 0x0258
216 #define DC_DMABURSTCOUNT 0x0264
218 /* General Registers */
219 #define DC_INTERRUPT 0x0218
220 #define DC_CHIPID 0x0270
221 #define DC_FRAMENUM 0x0274
222 #define DC_SCRATCH 0x0278
223 #define DC_UNLOCKDEV 0x027c
224 #define DC_INTPULSEWIDTH 0x0280
225 #define DC_TESTMODE 0x0284