1 /* SPDX-License-Identifier: GPL-2.0 */
3 * R8A66597 HCD (Host Controller Driver) for u-boot
5 * Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
11 #include <linux/bitops.h>
28 #define D0FIFOSEL 0x28
29 #define D0FIFOCTR 0x2A
30 #define D1FIFOSEL 0x2C
31 #define D1FIFOCTR 0x2E
90 #define SUSPMODE0 0x102 /* RZ/A only */
92 /* System Configuration Control Register */
93 #define HSE 0x0080 /* b7: Hi-speed enable */
94 #define DCFM 0x0040 /* b6: Controller function select */
95 #define DRPD 0x0020 /* b5: D+/- pull down control */
96 #define DPRPU 0x0010 /* b4: D+ pull up control */
97 #define XTAL 0x0004 /* b2: Crystal selection */
98 #define XTAL12 0x0004 /* 12MHz */
99 #define XTAL48 0x0000 /* 48MHz */
100 #define UPLLE 0x0002 /* b1: internal PLL control */
101 #define USBE 0x0001 /* b0: USB module operation enable */
103 /* System Configuration Status Register */
104 #define OVCBIT 0x8000 /* b15-14: Over-current bit */
105 #define OVCMON 0xC000 /* b15-14: Over-current monitor */
106 #define SOFEA 0x0020 /* b5: SOF monitor */
107 #define IDMON 0x0004 /* b3: ID-pin monitor */
108 #define LNST 0x0003 /* b1-0: D+, D- line status */
109 #define SE1 0x0003 /* SE1 */
110 #define FS_KSTS 0x0002 /* Full-Speed K State */
111 #define FS_JSTS 0x0001 /* Full-Speed J State */
112 #define LS_JSTS 0x0002 /* Low-Speed J State */
113 #define LS_KSTS 0x0001 /* Low-Speed K State */
114 #define SE0 0x0000 /* SE0 */
116 /* Device State Control Register */
117 #define EXTLP0 0x0400 /* b10: External port */
118 #define VBOUT 0x0200 /* b9: VBUS output */
119 #define WKUP 0x0100 /* b8: Remote wakeup */
120 #define RWUPE 0x0080 /* b7: Remote wakeup sense */
121 #define USBRST 0x0040 /* b6: USB reset enable */
122 #define RESUME 0x0020 /* b5: Resume enable */
123 #define UACT 0x0010 /* b4: USB bus enable */
124 #define RHST 0x0007 /* b1-0: Reset handshake status */
125 #define HSPROC 0x0004 /* HS handshake is processing */
126 #define HSMODE 0x0003 /* Hi-Speed mode */
127 #define FSMODE 0x0002 /* Full-Speed mode */
128 #define LSMODE 0x0001 /* Low-Speed mode */
129 #define UNDECID 0x0000 /* Undecided */
131 /* Test Mode Register */
132 #define UTST 0x000F /* b3-0: Test select */
133 #define H_TST_PACKET 0x000C /* HOST TEST Packet */
134 #define H_TST_SE0_NAK 0x000B /* HOST TEST SE0 NAK */
135 #define H_TST_K 0x000A /* HOST TEST K */
136 #define H_TST_J 0x0009 /* HOST TEST J */
137 #define H_TST_NORMAL 0x0000 /* HOST Normal Mode */
138 #define P_TST_PACKET 0x0004 /* PERI TEST Packet */
139 #define P_TST_SE0_NAK 0x0003 /* PERI TEST SE0 NAK */
140 #define P_TST_K 0x0002 /* PERI TEST K */
141 #define P_TST_J 0x0001 /* PERI TEST J */
142 #define P_TST_NORMAL 0x0000 /* PERI Normal Mode */
144 /* Data Pin Configuration Register */
145 #define LDRV 0x8000 /* b15: Drive Current Adjust */
146 #define VIF1 0x0000 /* VIF = 1.8V */
147 #define VIF3 0x8000 /* VIF = 3.3V */
148 #define INTA 0x0001 /* b1: USB INT-pin active */
150 /* DMAx Pin Configuration Register */
151 #define DREQA 0x4000 /* b14: Dreq active select */
152 #define BURST 0x2000 /* b13: Burst mode */
153 #define DACKA 0x0400 /* b10: Dack active select */
154 #define DFORM 0x0380 /* b9-7: DMA mode select */
155 #define CPU_ADR_RD_WR 0x0000 /* Address + RD/WR mode (CPU bus) */
156 #define CPU_DACK_RD_WR 0x0100 /* DACK + RD/WR mode (CPU bus) */
157 #define CPU_DACK_ONLY 0x0180 /* DACK only mode (CPU bus) */
158 #define SPLIT_DACK_ONLY 0x0200 /* DACK only mode (SPLIT bus) */
159 #define DENDA 0x0040 /* b6: Dend active select */
160 #define PKTM 0x0020 /* b5: Packet mode */
161 #define DENDE 0x0010 /* b4: Dend enable */
162 #define OBUS 0x0004 /* b2: OUTbus mode */
164 /* CFIFO/DxFIFO Port Select Register */
165 #define RCNT 0x8000 /* b15: Read count mode */
166 #define REW 0x4000 /* b14: Buffer rewind */
167 #define DCLRM 0x2000 /* b13: DMA buffer clear mode */
168 #define DREQE 0x1000 /* b12: DREQ output enable */
169 #define MBW 0x0800 /* b10: Maximum bit width for FIFO access */
170 #define MBW_8 0x0000 /* 8bit */
171 #define MBW_16 0x0400 /* 16bit */
172 #define MBW_32 0x0800 /* 32bit */
173 #define BIGEND 0x0100 /* b8: Big endian mode */
174 #define BYTE_LITTLE 0x0000 /* little dendian */
175 #define BYTE_BIG 0x0100 /* big endifan */
176 #define ISEL 0x0020 /* b5: DCP FIFO port direction select */
177 #define CURPIPE 0x000F /* b2-0: PIPE select */
179 /* CFIFO/DxFIFO Port Control Register */
180 #define BVAL 0x8000 /* b15: Buffer valid flag */
181 #define BCLR 0x4000 /* b14: Buffer clear */
182 #define FRDY 0x2000 /* b13: FIFO ready */
183 #define DTLN 0x0FFF /* b11-0: FIFO received data length */
185 /* Interrupt Enable Register 0 */
186 #define VBSE 0x8000 /* b15: VBUS interrupt */
187 #define RSME 0x4000 /* b14: Resume interrupt */
188 #define SOFE 0x2000 /* b13: Frame update interrupt */
189 #define DVSE 0x1000 /* b12: Device state transition interrupt */
190 #define CTRE 0x0800 /* b11: Control transfer stage transition interrupt */
191 #define BEMPE 0x0400 /* b10: Buffer empty interrupt */
192 #define NRDYE 0x0200 /* b9: Buffer not ready interrupt */
193 #define BRDYE 0x0100 /* b8: Buffer ready interrupt */
195 /* Interrupt Enable Register 1 */
196 #define OVRCRE 0x8000 /* b15: Over-current interrupt */
197 #define BCHGE 0x4000 /* b14: USB us chenge interrupt */
198 #define DTCHE 0x1000 /* b12: Detach sense interrupt */
199 #define ATTCHE 0x0800 /* b11: Attach sense interrupt */
200 #define EOFERRE 0x0040 /* b6: EOF error interrupt */
201 #define SIGNE 0x0020 /* b5: SETUP IGNORE interrupt */
202 #define SACKE 0x0010 /* b4: SETUP ACK interrupt */
204 /* BRDY Interrupt Enable/Status Register */
205 #define BRDY9 0x0200 /* b9: PIPE9 */
206 #define BRDY8 0x0100 /* b8: PIPE8 */
207 #define BRDY7 0x0080 /* b7: PIPE7 */
208 #define BRDY6 0x0040 /* b6: PIPE6 */
209 #define BRDY5 0x0020 /* b5: PIPE5 */
210 #define BRDY4 0x0010 /* b4: PIPE4 */
211 #define BRDY3 0x0008 /* b3: PIPE3 */
212 #define BRDY2 0x0004 /* b2: PIPE2 */
213 #define BRDY1 0x0002 /* b1: PIPE1 */
214 #define BRDY0 0x0001 /* b1: PIPE0 */
216 /* NRDY Interrupt Enable/Status Register */
217 #define NRDY9 0x0200 /* b9: PIPE9 */
218 #define NRDY8 0x0100 /* b8: PIPE8 */
219 #define NRDY7 0x0080 /* b7: PIPE7 */
220 #define NRDY6 0x0040 /* b6: PIPE6 */
221 #define NRDY5 0x0020 /* b5: PIPE5 */
222 #define NRDY4 0x0010 /* b4: PIPE4 */
223 #define NRDY3 0x0008 /* b3: PIPE3 */
224 #define NRDY2 0x0004 /* b2: PIPE2 */
225 #define NRDY1 0x0002 /* b1: PIPE1 */
226 #define NRDY0 0x0001 /* b1: PIPE0 */
228 /* BEMP Interrupt Enable/Status Register */
229 #define BEMP9 0x0200 /* b9: PIPE9 */
230 #define BEMP8 0x0100 /* b8: PIPE8 */
231 #define BEMP7 0x0080 /* b7: PIPE7 */
232 #define BEMP6 0x0040 /* b6: PIPE6 */
233 #define BEMP5 0x0020 /* b5: PIPE5 */
234 #define BEMP4 0x0010 /* b4: PIPE4 */
235 #define BEMP3 0x0008 /* b3: PIPE3 */
236 #define BEMP2 0x0004 /* b2: PIPE2 */
237 #define BEMP1 0x0002 /* b1: PIPE1 */
238 #define BEMP0 0x0001 /* b0: PIPE0 */
240 /* SOF Pin Configuration Register */
241 #define TRNENSEL 0x0100 /* b8: Select transaction enable period */
242 #define BRDYM 0x0040 /* b6: BRDY clear timing */
243 #define INTL 0x0020 /* b5: Interrupt sense select */
244 #define EDGESTS 0x0010 /* b4: */
245 #define SOFMODE 0x000C /* b3-2: SOF pin select */
246 #define SOF_125US 0x0008 /* SOF OUT 125us Frame Signal */
247 #define SOF_1MS 0x0004 /* SOF OUT 1ms Frame Signal */
248 #define SOF_DISABLE 0x0000 /* SOF OUT Disable */
250 /* Interrupt Status Register 0 */
251 #define VBINT 0x8000 /* b15: VBUS interrupt */
252 #define RESM 0x4000 /* b14: Resume interrupt */
253 #define SOFR 0x2000 /* b13: SOF frame update interrupt */
254 #define DVST 0x1000 /* b12: Device state transition interrupt */
255 #define CTRT 0x0800 /* b11: Control transfer stage transition interrupt */
256 #define BEMP 0x0400 /* b10: Buffer empty interrupt */
257 #define NRDY 0x0200 /* b9: Buffer not ready interrupt */
258 #define BRDY 0x0100 /* b8: Buffer ready interrupt */
259 #define VBSTS 0x0080 /* b7: VBUS input port */
260 #define DVSQ 0x0070 /* b6-4: Device state */
261 #define DS_SPD_CNFG 0x0070 /* Suspend Configured */
262 #define DS_SPD_ADDR 0x0060 /* Suspend Address */
263 #define DS_SPD_DFLT 0x0050 /* Suspend Default */
264 #define DS_SPD_POWR 0x0040 /* Suspend Powered */
265 #define DS_SUSP 0x0040 /* Suspend */
266 #define DS_CNFG 0x0030 /* Configured */
267 #define DS_ADDS 0x0020 /* Address */
268 #define DS_DFLT 0x0010 /* Default */
269 #define DS_POWR 0x0000 /* Powered */
270 #define DVSQS 0x0030 /* b5-4: Device state */
271 #define VALID 0x0008 /* b3: Setup packet detected flag */
272 #define CTSQ 0x0007 /* b2-0: Control transfer stage */
273 #define CS_SQER 0x0006 /* Sequence error */
274 #define CS_WRND 0x0005 /* Control write nodata status stage */
275 #define CS_WRSS 0x0004 /* Control write status stage */
276 #define CS_WRDS 0x0003 /* Control write data stage */
277 #define CS_RDSS 0x0002 /* Control read status stage */
278 #define CS_RDDS 0x0001 /* Control read data stage */
279 #define CS_IDST 0x0000 /* Idle or setup stage */
281 /* Interrupt Status Register 1 */
282 #define OVRCR 0x8000 /* b15: Over-current interrupt */
283 #define BCHG 0x4000 /* b14: USB bus chenge interrupt */
284 #define DTCH 0x1000 /* b12: Detach sense interrupt */
285 #define ATTCH 0x0800 /* b11: Attach sense interrupt */
286 #define EOFERR 0x0040 /* b6: EOF-error interrupt */
287 #define SIGN 0x0020 /* b5: Setup ignore interrupt */
288 #define SACK 0x0010 /* b4: Setup acknowledge interrupt */
290 /* Frame Number Register */
291 #define OVRN 0x8000 /* b15: Overrun error */
292 #define CRCE 0x4000 /* b14: Received data error */
293 #define FRNM 0x07FF /* b10-0: Frame number */
295 /* Micro Frame Number Register */
296 #define UFRNM 0x0007 /* b2-0: Micro frame number */
298 /* Default Control Pipe Maxpacket Size Register */
299 /* Pipe Maxpacket Size Register */
300 #define DEVSEL 0xF000 /* b15-14: Device address select */
301 #define MAXP 0x007F /* b6-0: Maxpacket size of default control pipe */
303 /* Default Control Pipe Control Register */
304 #define BSTS 0x8000 /* b15: Buffer status */
305 #define SUREQ 0x4000 /* b14: Send USB request */
306 #define CSCLR 0x2000 /* b13: complete-split status clear */
307 #define CSSTS 0x1000 /* b12: complete-split status */
308 #define SUREQCLR 0x0800 /* b11: stop setup request */
309 #define SQCLR 0x0100 /* b8: Sequence toggle bit clear */
310 #define SQSET 0x0080 /* b7: Sequence toggle bit set */
311 #define SQMON 0x0040 /* b6: Sequence toggle bit monitor */
312 #define PBUSY 0x0020 /* b5: pipe busy */
313 #define PINGE 0x0010 /* b4: ping enable */
314 #define CCPL 0x0004 /* b2: Enable control transfer complete */
315 #define PID 0x0003 /* b1-0: Response PID */
316 #define PID_STALL11 0x0003 /* STALL */
317 #define PID_STALL 0x0002 /* STALL */
318 #define PID_BUF 0x0001 /* BUF */
319 #define PID_NAK 0x0000 /* NAK */
321 /* Pipe Window Select Register */
322 #define PIPENM 0x0007 /* b2-0: Pipe select */
324 /* Pipe Configuration Register */
325 #define R8A66597_TYP 0xC000 /* b15-14: Transfer type */
326 #define R8A66597_ISO 0xC000 /* Isochronous */
327 #define R8A66597_INT 0x8000 /* Interrupt */
328 #define R8A66597_BULK 0x4000 /* Bulk */
329 #define R8A66597_BFRE 0x0400 /* b10: Buffer ready interrupt mode select */
330 #define R8A66597_DBLB 0x0200 /* b9: Double buffer mode select */
331 #define R8A66597_CNTMD 0x0100 /* b8: Continuous transfer mode select */
332 #define R8A66597_SHTNAK 0x0080 /* b7: Transfer end NAK */
333 #define R8A66597_DIR 0x0010 /* b4: Transfer direction select */
334 #define R8A66597_EPNUM 0x000F /* b3-0: Eendpoint number select */
336 /* Pipe Buffer Configuration Register */
337 #define BUFSIZE 0x7C00 /* b14-10: Pipe buffer size */
338 #define BUFNMB 0x007F /* b6-0: Pipe buffer number */
342 /* Pipe Maxpacket Size Register */
343 #define MXPS 0x07FF /* b10-0: Maxpacket size */
345 /* Pipe Cycle Configuration Register */
346 #define IFIS 0x1000 /* b12: Isochronous in-buffer flush mode select */
347 #define IITV 0x0007 /* b2-0: Isochronous interval */
349 /* Pipex Control Register */
350 #define BSTS 0x8000 /* b15: Buffer status */
351 #define INBUFM 0x4000 /* b14: IN buffer monitor (Only for PIPE1 to 5) */
352 #define CSCLR 0x2000 /* b13: complete-split status clear */
353 #define CSSTS 0x1000 /* b12: complete-split status */
354 #define ATREPM 0x0400 /* b10: Auto repeat mode */
355 #define ACLRM 0x0200 /* b9: Out buffer auto clear mode */
356 #define SQCLR 0x0100 /* b8: Sequence toggle bit clear */
357 #define SQSET 0x0080 /* b7: Sequence toggle bit set */
358 #define SQMON 0x0040 /* b6: Sequence toggle bit monitor */
359 #define PBUSY 0x0020 /* b5: pipe busy */
360 #define PID 0x0003 /* b1-0: Response PID */
363 #define TRENB 0x0200 /* b9: Transaction counter enable */
364 #define TRCLR 0x0100 /* b8: Transaction counter clear */
367 #define TRNCNT 0xFFFF /* b15-0: Transaction counter */
370 #define UPPHUB 0x7800
371 #define HUBPORT 0x0700
372 #define USBSPD 0x00C0
373 #define RTPORT 0x0001
375 /* Suspend Mode Register */
376 #define SUSPM 0x4000 /* b14: Suspend */
378 #define R8A66597_MAX_NUM_PIPE 10
379 #define R8A66597_BUF_BSIZE 8
380 #define R8A66597_MAX_DEVICE 10
381 #define R8A66597_MAX_ROOT_HUB 2
382 #define R8A66597_MAX_SAMPLING 5
383 #define R8A66597_RH_POLL_TIME 10
385 #define BULK_IN_PIPENUM 3
386 #define BULK_IN_BUFNUM 8
388 #define BULK_OUT_PIPENUM 4
389 #define BULK_OUT_BUFNUM 40
391 #define make_devsel(addr) ((addr) << 12)
395 unsigned short pipe_config; /* bit field */
396 unsigned short port_status;
397 unsigned short port_change;
398 u16 speed; /* HSMODE or FSMODE or LSMODE */
399 unsigned char rh_devnum;
400 struct udevice *vbus_supply;
403 static inline u16 r8a66597_read(struct r8a66597 *r8a66597, unsigned long offset)
405 return readw(r8a66597->reg + offset);
408 static inline void r8a66597_read_fifo(struct r8a66597 *r8a66597,
409 unsigned long offset, void *buf,
413 unsigned long fifoaddr = r8a66597->reg + offset;
415 unsigned long *p = buf;
418 for (i = 0; i < count; i++)
419 p[i] = readl(r8a66597->reg + offset);
421 if (len & 0x00000003) {
422 unsigned long tmp = readl(fifoaddr);
424 memcpy((unsigned char *)buf + count * 4, &tmp, len & 0x03);
428 static inline void r8a66597_write(struct r8a66597 *r8a66597, u16 val,
429 unsigned long offset)
431 writew(val, r8a66597->reg + offset);
434 static inline void r8a66597_write_fifo(struct r8a66597 *r8a66597,
435 unsigned long offset, void *buf,
439 unsigned long fifoaddr = r8a66597->reg + offset;
442 unsigned long *p = buf;
445 for (i = 0; i < count; i++)
446 writel(p[i], fifoaddr);
448 if (len & 0x00000003) {
449 pb = (unsigned char *)buf + count * 4;
450 for (i = 0; i < (len & 0x00000003); i++) {
451 if (r8a66597_read(r8a66597, CFIFOSEL) & BIGEND)
452 writeb(pb[i], fifoaddr + i);
454 writeb(pb[i], fifoaddr + 3 - i);
459 static inline void r8a66597_mdfy(struct r8a66597 *r8a66597,
460 u16 val, u16 pat, unsigned long offset)
464 tmp = r8a66597_read(r8a66597, offset);
467 r8a66597_write(r8a66597, tmp, offset);
470 #define r8a66597_bclr(r8a66597, val, offset) \
471 r8a66597_mdfy(r8a66597, 0, val, offset)
472 #define r8a66597_bset(r8a66597, val, offset) \
473 r8a66597_mdfy(r8a66597, val, 0, offset)
475 static inline unsigned long get_syscfg_reg(int port)
477 return port == 0 ? SYSCFG0 : SYSCFG1;
480 static inline unsigned long get_syssts_reg(int port)
482 return port == 0 ? SYSSTS0 : SYSSTS1;
485 static inline unsigned long get_dvstctr_reg(int port)
487 return port == 0 ? DVSTCTR0 : DVSTCTR1;
490 static inline unsigned long get_dmacfg_reg(int port)
492 return port == 0 ? DMA0CFG : DMA1CFG;
495 static inline unsigned long get_intenb_reg(int port)
497 return port == 0 ? INTENB1 : INTENB2;
500 static inline unsigned long get_intsts_reg(int port)
502 return port == 0 ? INTSTS1 : INTSTS2;
505 static inline u16 get_rh_usb_speed(struct r8a66597 *r8a66597, int port)
507 unsigned long dvstctr_reg = get_dvstctr_reg(port);
509 return r8a66597_read(r8a66597, dvstctr_reg) & RHST;
512 static inline void r8a66597_port_power(struct r8a66597 *r8a66597, int port,
515 unsigned long dvstctr_reg = get_dvstctr_reg(port);
518 r8a66597_bset(r8a66597, VBOUT, dvstctr_reg);
520 r8a66597_bclr(r8a66597, VBOUT, dvstctr_reg);
523 #define get_pipectr_addr(pipenum) (PIPE1CTR + (pipenum - 1) * 2)
524 #define get_pipetre_addr(pipenum) (PIPE1TRE + (pipenum - 1) * 4)
525 #define get_pipetrn_addr(pipenum) (PIPE1TRN + (pipenum - 1) * 4)
526 #define get_devadd_addr(address) (DEVADD0 + address * 2)
528 /* USB HUB CONSTANTS (not OHCI-specific; see hub.h, based on usb_ohci.h) */
530 /* destination of request */
531 #define RH_INTERFACE 0x01
532 #define RH_ENDPOINT 0x02
533 #define RH_OTHER 0x03
535 #define RH_CLASS 0x20
536 #define RH_VENDOR 0x40
538 /* Requests: bRequest << 8 | bmRequestType */
539 #define RH_GET_STATUS 0x0080
540 #define RH_CLEAR_FEATURE 0x0100
541 #define RH_SET_FEATURE 0x0300
542 #define RH_SET_ADDRESS 0x0500
543 #define RH_GET_DESCRIPTOR 0x0680
544 #define RH_SET_DESCRIPTOR 0x0700
545 #define RH_GET_CONFIGURATION 0x0880
546 #define RH_SET_CONFIGURATION 0x0900
547 #define RH_GET_STATE 0x0280
548 #define RH_GET_INTERFACE 0x0A80
549 #define RH_SET_INTERFACE 0x0B00
550 #define RH_SYNC_FRAME 0x0C80
551 /* Our Vendor Specific Request */
552 #define RH_SET_EP 0x2000
554 /* Hub port features */
555 #define RH_PORT_CONNECTION 0x00
556 #define RH_PORT_ENABLE 0x01
557 #define RH_PORT_SUSPEND 0x02
558 #define RH_PORT_OVER_CURRENT 0x03
559 #define RH_PORT_RESET 0x04
560 #define RH_PORT_POWER 0x08
561 #define RH_PORT_LOW_SPEED 0x09
563 #define RH_C_PORT_CONNECTION 0x10
564 #define RH_C_PORT_ENABLE 0x11
565 #define RH_C_PORT_SUSPEND 0x12
566 #define RH_C_PORT_OVER_CURRENT 0x13
567 #define RH_C_PORT_RESET 0x14
570 #define RH_C_HUB_LOCAL_POWER 0x00
571 #define RH_C_HUB_OVER_CURRENT 0x01
573 #define RH_DEVICE_REMOTE_WAKEUP 0x00
574 #define RH_ENDPOINT_STALL 0x01
577 #define RH_REQ_ERR -1
580 /* OHCI ROOT HUB REGISTER MASKS */
582 /* roothub.portstatus [i] bits */
583 #define RH_PS_CCS 0x00000001 /* current connect status */
584 #define RH_PS_PES 0x00000002 /* port enable status*/
585 #define RH_PS_PSS 0x00000004 /* port suspend status */
586 #define RH_PS_POCI 0x00000008 /* port over current indicator */
587 #define RH_PS_PRS 0x00000010 /* port reset status */
588 #define RH_PS_PPS 0x00000100 /* port power status */
589 #define RH_PS_LSDA 0x00000200 /* low speed device attached */
590 #define RH_PS_CSC 0x00010000 /* connect status change */
591 #define RH_PS_PESC 0x00020000 /* port enable status change */
592 #define RH_PS_PSSC 0x00040000 /* port suspend status change */
593 #define RH_PS_OCIC 0x00080000 /* over current indicator change */
594 #define RH_PS_PRSC 0x00100000 /* port reset status change */
596 /* roothub.status bits */
597 #define RH_HS_LPS 0x00000001 /* local power status */
598 #define RH_HS_OCI 0x00000002 /* over current indicator */
599 #define RH_HS_DRWE 0x00008000 /* device remote wakeup enable */
600 #define RH_HS_LPSC 0x00010000 /* local power status change */
601 #define RH_HS_OCIC 0x00020000 /* over current indicator change */
602 #define RH_HS_CRWE 0x80000000 /* clear remote wakeup enable */
604 /* roothub.b masks */
605 #define RH_B_DR 0x0000ffff /* device removable flags */
606 #define RH_B_PPCM 0xffff0000 /* port power control mask */
608 /* roothub.a masks */
609 #define RH_A_NDP (0xff << 0) /* number of downstream ports */
610 #define RH_A_PSM BIT(8) /* power switching mode */
611 #define RH_A_NPS BIT(9) /* no power switching */
612 #define RH_A_DT BIT(10) /* device type (mbz) */
613 #define RH_A_OCPM BIT(11) /* over current protection mode */
614 #define RH_A_NOCP BIT(12) /* no over current protection */
615 #define RH_A_POTPGT (0xff << 24) /* power on to power good time */
617 #endif /* __R8A66597_H__ */