xref: /openbmc/u-boot/drivers/usb/host/r8a66597.h (revision 00a457b2)
1 /*
2  * R8A66597 HCD (Host Controller Driver) for u-boot
3  *
4  * Copyright (C) 2008  Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
5  *
6  * SPDX-License-Identifier:	GPL-2.0
7  */
8 
9 #ifndef __R8A66597_H__
10 #define __R8A66597_H__
11 
12 #define SYSCFG0		0x00
13 #define SYSCFG1		0x02
14 #define SYSSTS0		0x04
15 #define SYSSTS1		0x06
16 #define DVSTCTR0	0x08
17 #define DVSTCTR1	0x0A
18 #define TESTMODE	0x0C
19 #define PINCFG		0x0E
20 #define DMA0CFG		0x10
21 #define DMA1CFG		0x12
22 #define CFIFO		0x14
23 #define D0FIFO		0x18
24 #define D1FIFO		0x1C
25 #define CFIFOSEL	0x20
26 #define CFIFOCTR	0x22
27 #define CFIFOSIE	0x24
28 #define D0FIFOSEL	0x28
29 #define D0FIFOCTR	0x2A
30 #define D1FIFOSEL	0x2C
31 #define D1FIFOCTR	0x2E
32 #define INTENB0		0x30
33 #define INTENB1		0x32
34 #define INTENB2		0x34
35 #define BRDYENB		0x36
36 #define NRDYENB		0x38
37 #define BEMPENB		0x3A
38 #define SOFCFG		0x3C
39 #define INTSTS0		0x40
40 #define INTSTS1		0x42
41 #define INTSTS2		0x44
42 #define BRDYSTS		0x46
43 #define NRDYSTS		0x48
44 #define BEMPSTS		0x4A
45 #define FRMNUM		0x4C
46 #define UFRMNUM		0x4E
47 #define USBADDR		0x50
48 #define USBREQ		0x54
49 #define USBVAL		0x56
50 #define USBINDX		0x58
51 #define USBLENG		0x5A
52 #define DCPCFG		0x5C
53 #define DCPMAXP		0x5E
54 #define DCPCTR		0x60
55 #define PIPESEL		0x64
56 #define PIPECFG		0x68
57 #define PIPEBUF		0x6A
58 #define PIPEMAXP	0x6C
59 #define PIPEPERI	0x6E
60 #define PIPE1CTR	0x70
61 #define PIPE2CTR	0x72
62 #define PIPE3CTR	0x74
63 #define PIPE4CTR	0x76
64 #define PIPE5CTR	0x78
65 #define PIPE6CTR	0x7A
66 #define PIPE7CTR	0x7C
67 #define PIPE8CTR	0x7E
68 #define PIPE9CTR	0x80
69 #define PIPE1TRE	0x90
70 #define PIPE1TRN	0x92
71 #define PIPE2TRE	0x94
72 #define PIPE2TRN	0x96
73 #define PIPE3TRE	0x98
74 #define PIPE3TRN	0x9A
75 #define PIPE4TRE	0x9C
76 #define	PIPE4TRN	0x9E
77 #define	PIPE5TRE	0xA0
78 #define	PIPE5TRN	0xA2
79 #define DEVADD0		0xD0
80 #define DEVADD1		0xD2
81 #define DEVADD2		0xD4
82 #define DEVADD3		0xD6
83 #define DEVADD4		0xD8
84 #define DEVADD5		0xDA
85 #define DEVADD6		0xDC
86 #define DEVADD7		0xDE
87 #define DEVADD8		0xE0
88 #define DEVADD9		0xE2
89 #define DEVADDA		0xE4
90 
91 /* System Configuration Control Register */
92 #define	XTAL		0xC000	/* b15-14: Crystal selection */
93 #define	  XTAL48	 0x8000	  /* 48MHz */
94 #define	  XTAL24	 0x4000	  /* 24MHz */
95 #define	  XTAL12	 0x0000	  /* 12MHz */
96 #define	XCKE		0x2000	/* b13: External clock enable */
97 #define	PLLC		0x0800	/* b11: PLL control */
98 #define	SCKE		0x0400	/* b10: USB clock enable */
99 #define	PCSDIS		0x0200	/* b9: not CS wakeup */
100 #define	LPSME		0x0100	/* b8: Low power sleep mode */
101 #define	HSE		0x0080	/* b7: Hi-speed enable */
102 #define	DCFM		0x0040	/* b6: Controller function select  */
103 #define	DRPD		0x0020	/* b5: D+/- pull down control */
104 #define	DPRPU		0x0010	/* b4: D+ pull up control */
105 #define	USBE		0x0001	/* b0: USB module operation enable */
106 
107 /* System Configuration Status Register */
108 #define	OVCBIT		0x8000	/* b15-14: Over-current bit */
109 #define	OVCMON		0xC000	/* b15-14: Over-current monitor */
110 #define	SOFEA		0x0020	/* b5: SOF monitor */
111 #define	IDMON		0x0004	/* b3: ID-pin monitor */
112 #define	LNST		0x0003	/* b1-0: D+, D- line status */
113 #define	  SE1		 0x0003	  /* SE1 */
114 #define	  FS_KSTS	 0x0002	  /* Full-Speed K State */
115 #define	  FS_JSTS	 0x0001	  /* Full-Speed J State */
116 #define	  LS_JSTS	 0x0002	  /* Low-Speed J State */
117 #define	  LS_KSTS	 0x0001	  /* Low-Speed K State */
118 #define	  SE0		 0x0000	  /* SE0 */
119 
120 /* Device State Control Register */
121 #define	EXTLP0		0x0400	/* b10: External port */
122 #define	VBOUT		0x0200	/* b9: VBUS output */
123 #define	WKUP		0x0100	/* b8: Remote wakeup */
124 #define	RWUPE		0x0080	/* b7: Remote wakeup sense */
125 #define	USBRST		0x0040	/* b6: USB reset enable */
126 #define	RESUME		0x0020	/* b5: Resume enable */
127 #define	UACT		0x0010	/* b4: USB bus enable */
128 #define	RHST		0x0007	/* b1-0: Reset handshake status */
129 #define	  HSPROC	 0x0004	  /* HS handshake is processing */
130 #define	  HSMODE	 0x0003	  /* Hi-Speed mode */
131 #define	  FSMODE	 0x0002	  /* Full-Speed mode */
132 #define	  LSMODE	 0x0001	  /* Low-Speed mode */
133 #define	  UNDECID	 0x0000	  /* Undecided */
134 
135 /* Test Mode Register */
136 #define	UTST			0x000F	/* b3-0: Test select */
137 #define	  H_TST_PACKET		 0x000C	  /* HOST TEST Packet */
138 #define	  H_TST_SE0_NAK		 0x000B	  /* HOST TEST SE0 NAK */
139 #define	  H_TST_K		 0x000A	  /* HOST TEST K */
140 #define	  H_TST_J		 0x0009	  /* HOST TEST J */
141 #define	  H_TST_NORMAL		 0x0000	  /* HOST Normal Mode */
142 #define	  P_TST_PACKET		 0x0004	  /* PERI TEST Packet */
143 #define	  P_TST_SE0_NAK		 0x0003	  /* PERI TEST SE0 NAK */
144 #define	  P_TST_K		 0x0002	  /* PERI TEST K */
145 #define	  P_TST_J		 0x0001	  /* PERI TEST J */
146 #define	  P_TST_NORMAL		 0x0000	  /* PERI Normal Mode */
147 
148 /* Data Pin Configuration Register */
149 #define	LDRV			0x8000	/* b15: Drive Current Adjust */
150 #define	  VIF1			  0x0000		/* VIF = 1.8V */
151 #define	  VIF3			  0x8000		/* VIF = 3.3V */
152 #define	INTA			0x0001	/* b1: USB INT-pin active */
153 
154 /* DMAx Pin Configuration Register */
155 #define	DREQA			0x4000	/* b14: Dreq active select */
156 #define	BURST			0x2000	/* b13: Burst mode */
157 #define	DACKA			0x0400	/* b10: Dack active select */
158 #define	DFORM			0x0380	/* b9-7: DMA mode select */
159 #define	  CPU_ADR_RD_WR		 0x0000	  /* Address + RD/WR mode (CPU bus) */
160 #define	  CPU_DACK_RD_WR	 0x0100	  /* DACK + RD/WR mode (CPU bus) */
161 #define	  CPU_DACK_ONLY		 0x0180	  /* DACK only mode (CPU bus) */
162 #define	  SPLIT_DACK_ONLY	 0x0200	  /* DACK only mode (SPLIT bus) */
163 #define	DENDA			0x0040	/* b6: Dend active select */
164 #define	PKTM			0x0020	/* b5: Packet mode */
165 #define	DENDE			0x0010	/* b4: Dend enable */
166 #define	OBUS			0x0004	/* b2: OUTbus mode */
167 
168 /* CFIFO/DxFIFO Port Select Register */
169 #define	RCNT		0x8000	/* b15: Read count mode */
170 #define	REW		0x4000	/* b14: Buffer rewind */
171 #define	DCLRM		0x2000	/* b13: DMA buffer clear mode */
172 #define	DREQE		0x1000	/* b12: DREQ output enable */
173 #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
174 #define	MBW		0x0800
175 #else
176 #define	MBW		0x0400	/* b10: Maximum bit width for FIFO access */
177 #endif
178 #define	  MBW_8		 0x0000	  /*  8bit */
179 #define	  MBW_16	 0x0400	  /* 16bit */
180 #define	BIGEND		0x0100	/* b8: Big endian mode */
181 #define	  BYTE_LITTLE	 0x0000		/* little dendian */
182 #define	  BYTE_BIG	 0x0100		/* big endifan */
183 #define	ISEL		0x0020	/* b5: DCP FIFO port direction select */
184 #define	CURPIPE		0x000F	/* b2-0: PIPE select */
185 
186 /* CFIFO/DxFIFO Port Control Register */
187 #define	BVAL		0x8000	/* b15: Buffer valid flag */
188 #define	BCLR		0x4000	/* b14: Buffer clear */
189 #define	FRDY		0x2000	/* b13: FIFO ready */
190 #define	DTLN		0x0FFF	/* b11-0: FIFO received data length */
191 
192 /* Interrupt Enable Register 0 */
193 #define	VBSE	0x8000	/* b15: VBUS interrupt */
194 #define	RSME	0x4000	/* b14: Resume interrupt */
195 #define	SOFE	0x2000	/* b13: Frame update interrupt */
196 #define	DVSE	0x1000	/* b12: Device state transition interrupt */
197 #define	CTRE	0x0800	/* b11: Control transfer stage transition interrupt */
198 #define	BEMPE	0x0400	/* b10: Buffer empty interrupt */
199 #define	NRDYE	0x0200	/* b9: Buffer not ready interrupt */
200 #define	BRDYE	0x0100	/* b8: Buffer ready interrupt */
201 
202 /* Interrupt Enable Register 1 */
203 #define	OVRCRE		0x8000	/* b15: Over-current interrupt */
204 #define	BCHGE		0x4000	/* b14: USB us chenge interrupt */
205 #define	DTCHE		0x1000	/* b12: Detach sense interrupt */
206 #define	ATTCHE		0x0800	/* b11: Attach sense interrupt */
207 #define	EOFERRE		0x0040	/* b6: EOF error interrupt */
208 #define	SIGNE		0x0020	/* b5: SETUP IGNORE interrupt */
209 #define	SACKE		0x0010	/* b4: SETUP ACK interrupt */
210 
211 /* BRDY Interrupt Enable/Status Register */
212 #define	BRDY9		0x0200	/* b9: PIPE9 */
213 #define	BRDY8		0x0100	/* b8: PIPE8 */
214 #define	BRDY7		0x0080	/* b7: PIPE7 */
215 #define	BRDY6		0x0040	/* b6: PIPE6 */
216 #define	BRDY5		0x0020	/* b5: PIPE5 */
217 #define	BRDY4		0x0010	/* b4: PIPE4 */
218 #define	BRDY3		0x0008	/* b3: PIPE3 */
219 #define	BRDY2		0x0004	/* b2: PIPE2 */
220 #define	BRDY1		0x0002	/* b1: PIPE1 */
221 #define	BRDY0		0x0001	/* b1: PIPE0 */
222 
223 /* NRDY Interrupt Enable/Status Register */
224 #define	NRDY9		0x0200	/* b9: PIPE9 */
225 #define	NRDY8		0x0100	/* b8: PIPE8 */
226 #define	NRDY7		0x0080	/* b7: PIPE7 */
227 #define	NRDY6		0x0040	/* b6: PIPE6 */
228 #define	NRDY5		0x0020	/* b5: PIPE5 */
229 #define	NRDY4		0x0010	/* b4: PIPE4 */
230 #define	NRDY3		0x0008	/* b3: PIPE3 */
231 #define	NRDY2		0x0004	/* b2: PIPE2 */
232 #define	NRDY1		0x0002	/* b1: PIPE1 */
233 #define	NRDY0		0x0001	/* b1: PIPE0 */
234 
235 /* BEMP Interrupt Enable/Status Register */
236 #define	BEMP9		0x0200	/* b9: PIPE9 */
237 #define	BEMP8		0x0100	/* b8: PIPE8 */
238 #define	BEMP7		0x0080	/* b7: PIPE7 */
239 #define	BEMP6		0x0040	/* b6: PIPE6 */
240 #define	BEMP5		0x0020	/* b5: PIPE5 */
241 #define	BEMP4		0x0010	/* b4: PIPE4 */
242 #define	BEMP3		0x0008	/* b3: PIPE3 */
243 #define	BEMP2		0x0004	/* b2: PIPE2 */
244 #define	BEMP1		0x0002	/* b1: PIPE1 */
245 #define	BEMP0		0x0001	/* b0: PIPE0 */
246 
247 /* SOF Pin Configuration Register */
248 #define	TRNENSEL	0x0100	/* b8: Select transaction enable period */
249 #define	BRDYM		0x0040	/* b6: BRDY clear timing */
250 #define	INTL		0x0020	/* b5: Interrupt sense select */
251 #define	EDGESTS		0x0010	/* b4:  */
252 #define	SOFMODE		0x000C	/* b3-2: SOF pin select */
253 #define	  SOF_125US	 0x0008	  /* SOF OUT 125us Frame Signal */
254 #define	  SOF_1MS	 0x0004	  /* SOF OUT 1ms Frame Signal */
255 #define	  SOF_DISABLE	 0x0000	  /* SOF OUT Disable */
256 
257 /* Interrupt Status Register 0 */
258 #define	VBINT	0x8000	/* b15: VBUS interrupt */
259 #define	RESM	0x4000	/* b14: Resume interrupt */
260 #define	SOFR	0x2000	/* b13: SOF frame update interrupt */
261 #define	DVST	0x1000	/* b12: Device state transition interrupt */
262 #define	CTRT	0x0800	/* b11: Control transfer stage transition interrupt */
263 #define	BEMP	0x0400	/* b10: Buffer empty interrupt */
264 #define	NRDY	0x0200	/* b9: Buffer not ready interrupt */
265 #define	BRDY	0x0100	/* b8: Buffer ready interrupt */
266 #define	VBSTS	0x0080	/* b7: VBUS input port */
267 #define	DVSQ	0x0070	/* b6-4: Device state */
268 #define	  DS_SPD_CNFG	 0x0070	  /* Suspend Configured */
269 #define	  DS_SPD_ADDR	 0x0060	  /* Suspend Address */
270 #define	  DS_SPD_DFLT	 0x0050	  /* Suspend Default */
271 #define	  DS_SPD_POWR	 0x0040	  /* Suspend Powered */
272 #define	  DS_SUSP	 0x0040	  /* Suspend */
273 #define	  DS_CNFG	 0x0030	  /* Configured */
274 #define	  DS_ADDS	 0x0020	  /* Address */
275 #define	  DS_DFLT	 0x0010	  /* Default */
276 #define	  DS_POWR	 0x0000	  /* Powered */
277 #define	DVSQS		0x0030	/* b5-4: Device state */
278 #define	VALID		0x0008	/* b3: Setup packet detected flag */
279 #define	CTSQ		0x0007	/* b2-0: Control transfer stage */
280 #define	  CS_SQER	 0x0006	  /* Sequence error */
281 #define	  CS_WRND	 0x0005	  /* Control write nodata status stage */
282 #define	  CS_WRSS	 0x0004	  /* Control write status stage */
283 #define	  CS_WRDS	 0x0003	  /* Control write data stage */
284 #define	  CS_RDSS	 0x0002	  /* Control read status stage */
285 #define	  CS_RDDS	 0x0001	  /* Control read data stage */
286 #define	  CS_IDST	 0x0000	  /* Idle or setup stage */
287 
288 /* Interrupt Status Register 1 */
289 #define	OVRCR		0x8000	/* b15: Over-current interrupt */
290 #define	BCHG		0x4000	/* b14: USB bus chenge interrupt */
291 #define	DTCH		0x1000	/* b12: Detach sense interrupt */
292 #define	ATTCH		0x0800	/* b11: Attach sense interrupt */
293 #define	EOFERR		0x0040	/* b6: EOF-error interrupt */
294 #define	SIGN		0x0020	/* b5: Setup ignore interrupt */
295 #define	SACK		0x0010	/* b4: Setup acknowledge interrupt */
296 
297 /* Frame Number Register */
298 #define	OVRN		0x8000	/* b15: Overrun error */
299 #define	CRCE		0x4000	/* b14: Received data error */
300 #define	FRNM		0x07FF	/* b10-0: Frame number */
301 
302 /* Micro Frame Number Register */
303 #define	UFRNM		0x0007	/* b2-0: Micro frame number */
304 
305 /* Default Control Pipe Maxpacket Size Register */
306 /* Pipe Maxpacket Size Register */
307 #define	DEVSEL	0xF000	/* b15-14: Device address select */
308 #define	MAXP	0x007F	/* b6-0: Maxpacket size of default control pipe */
309 
310 /* Default Control Pipe Control Register */
311 #define	BSTS		0x8000	/* b15: Buffer status */
312 #define	SUREQ		0x4000	/* b14: Send USB request  */
313 #define	CSCLR		0x2000	/* b13: complete-split status clear */
314 #define	CSSTS		0x1000	/* b12: complete-split status */
315 #define	SUREQCLR	0x0800	/* b11: stop setup request */
316 #define	SQCLR		0x0100	/* b8: Sequence toggle bit clear */
317 #define	SQSET		0x0080	/* b7: Sequence toggle bit set */
318 #define	SQMON		0x0040	/* b6: Sequence toggle bit monitor */
319 #define	PBUSY		0x0020	/* b5: pipe busy */
320 #define	PINGE		0x0010	/* b4: ping enable */
321 #define	CCPL		0x0004	/* b2: Enable control transfer complete */
322 #define	PID		0x0003	/* b1-0: Response PID */
323 #define	  PID_STALL11	 0x0003	  /* STALL */
324 #define	  PID_STALL	 0x0002	  /* STALL */
325 #define	  PID_BUF	 0x0001	  /* BUF */
326 #define	  PID_NAK	 0x0000	  /* NAK */
327 
328 /* Pipe Window Select Register */
329 #define	PIPENM		0x0007	/* b2-0: Pipe select */
330 
331 /* Pipe Configuration Register */
332 #define	R8A66597_TYP	0xC000	/* b15-14: Transfer type */
333 #define	  R8A66597_ISO	 0xC000		  /* Isochronous */
334 #define	  R8A66597_INT	 0x8000		  /* Interrupt */
335 #define	  R8A66597_BULK	 0x4000		  /* Bulk */
336 #define	R8A66597_BFRE	0x0400	/* b10: Buffer ready interrupt mode select */
337 #define	R8A66597_DBLB	0x0200	/* b9: Double buffer mode select */
338 #define	R8A66597_CNTMD	0x0100	/* b8: Continuous transfer mode select */
339 #define	R8A66597_SHTNAK	0x0080	/* b7: Transfer end NAK */
340 #define	R8A66597_DIR	0x0010	/* b4: Transfer direction select */
341 #define	R8A66597_EPNUM	0x000F	/* b3-0: Eendpoint number select */
342 
343 /* Pipe Buffer Configuration Register */
344 #define	BUFSIZE		0x7C00	/* b14-10: Pipe buffer size */
345 #define	BUFNMB		0x007F	/* b6-0: Pipe buffer number */
346 #define	PIPE0BUF	256
347 #define	PIPExBUF	64
348 
349 /* Pipe Maxpacket Size Register */
350 #define	MXPS		0x07FF	/* b10-0: Maxpacket size */
351 
352 /* Pipe Cycle Configuration Register */
353 #define	IFIS	0x1000	/* b12: Isochronous in-buffer flush mode select */
354 #define	IITV	0x0007	/* b2-0: Isochronous interval */
355 
356 /* Pipex Control Register */
357 #define	BSTS	0x8000	/* b15: Buffer status */
358 #define	INBUFM	0x4000	/* b14: IN buffer monitor (Only for PIPE1 to 5) */
359 #define	CSCLR	0x2000	/* b13: complete-split status clear */
360 #define	CSSTS	0x1000	/* b12: complete-split status */
361 #define	ATREPM	0x0400	/* b10: Auto repeat mode */
362 #define	ACLRM	0x0200	/* b9: Out buffer auto clear mode */
363 #define	SQCLR	0x0100	/* b8: Sequence toggle bit clear */
364 #define	SQSET	0x0080	/* b7: Sequence toggle bit set */
365 #define	SQMON	0x0040	/* b6: Sequence toggle bit monitor */
366 #define	PBUSY	0x0020	/* b5: pipe busy */
367 #define	PID	0x0003	/* b1-0: Response PID */
368 
369 /* PIPExTRE */
370 #define	TRENB		0x0200	/* b9: Transaction counter enable */
371 #define	TRCLR		0x0100	/* b8: Transaction counter clear */
372 
373 /* PIPExTRN */
374 #define	TRNCNT		0xFFFF	/* b15-0: Transaction counter */
375 
376 /* DEVADDx */
377 #define	UPPHUB		0x7800
378 #define	HUBPORT		0x0700
379 #define	USBSPD		0x00C0
380 #define	RTPORT		0x0001
381 
382 #define R8A66597_MAX_NUM_PIPE		10
383 #define R8A66597_BUF_BSIZE		8
384 #define R8A66597_MAX_DEVICE		10
385 #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
386 #define R8A66597_MAX_ROOT_HUB		1
387 #else
388 #define R8A66597_MAX_ROOT_HUB		2
389 #endif
390 #define R8A66597_MAX_SAMPLING		5
391 #define R8A66597_RH_POLL_TIME		10
392 
393 #define BULK_IN_PIPENUM		3
394 #define BULK_IN_BUFNUM		8
395 
396 #define BULK_OUT_PIPENUM	4
397 #define BULK_OUT_BUFNUM		40
398 
399 #define check_bulk_or_isoc(pipenum)	((pipenum >= 1 && pipenum <= 5))
400 #define check_interrupt(pipenum)	((pipenum >= 6 && pipenum <= 9))
401 #define make_devsel(addr)		(addr << 12)
402 
403 struct r8a66597 {
404 	unsigned long reg;
405 	unsigned short pipe_config;	/* bit field */
406 	unsigned short port_status;
407 	unsigned short port_change;
408 	u16 speed;	/* HSMODE or FSMODE or LSMODE */
409 	unsigned char rh_devnum;
410 };
411 
412 static inline u16 r8a66597_read(struct r8a66597 *r8a66597, unsigned long offset)
413 {
414 	return inw(r8a66597->reg + offset);
415 }
416 
417 static inline void r8a66597_read_fifo(struct r8a66597 *r8a66597,
418 				      unsigned long offset, void *buf,
419 				      int len)
420 {
421 	int i;
422 #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
423 	unsigned long fifoaddr = r8a66597->reg + offset;
424 	unsigned long count;
425 	unsigned long *p = buf;
426 
427 	count = len / 4;
428 	for (i = 0; i < count; i++)
429 		p[i] = inl(r8a66597->reg + offset);
430 
431 	if (len & 0x00000003) {
432 		unsigned long tmp = inl(fifoaddr);
433 		memcpy((unsigned char *)buf + count * 4, &tmp, len & 0x03);
434 	}
435 #else
436 	unsigned short *p = buf;
437 
438 	len = (len + 1) / 2;
439 	for (i = 0; i < len; i++)
440 		p[i] = inw(r8a66597->reg + offset);
441 #endif
442 }
443 
444 static inline void r8a66597_write(struct r8a66597 *r8a66597, u16 val,
445 				  unsigned long offset)
446 {
447 	outw(val, r8a66597->reg + offset);
448 }
449 
450 static inline void r8a66597_write_fifo(struct r8a66597 *r8a66597,
451 				       unsigned long offset, void *buf,
452 				       int len)
453 {
454 	int i;
455 	unsigned long fifoaddr = r8a66597->reg + offset;
456 #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
457 	unsigned long count;
458 	unsigned char *pb;
459 	unsigned long *p = buf;
460 
461 	count = len / 4;
462 	for (i = 0; i < count; i++)
463 		outl(p[i], fifoaddr);
464 
465 	if (len & 0x00000003) {
466 		pb = (unsigned char *)buf + count * 4;
467 		for (i = 0; i < (len & 0x00000003); i++) {
468 			if (r8a66597_read(r8a66597, CFIFOSEL) & BIGEND)
469 				outb(pb[i], fifoaddr + i);
470 			else
471 				outb(pb[i], fifoaddr + 3 - i);
472 		}
473 	}
474 #else
475 	int odd = len & 0x0001;
476 	unsigned short *p = buf;
477 
478 	len = len / 2;
479 	for (i = 0; i < len; i++)
480 		outw(p[i], fifoaddr);
481 
482 	if (odd) {
483 		unsigned char *pb = (unsigned char *)(buf + len);
484 		outb(*pb, fifoaddr);
485 	}
486 #endif
487 }
488 
489 static inline void r8a66597_mdfy(struct r8a66597 *r8a66597,
490 				 u16 val, u16 pat, unsigned long offset)
491 {
492 	u16 tmp;
493 	tmp = r8a66597_read(r8a66597, offset);
494 	tmp = tmp & (~pat);
495 	tmp = tmp | val;
496 	r8a66597_write(r8a66597, tmp, offset);
497 }
498 
499 #define r8a66597_bclr(r8a66597, val, offset)	\
500 			r8a66597_mdfy(r8a66597, 0, val, offset)
501 #define r8a66597_bset(r8a66597, val, offset)	\
502 			r8a66597_mdfy(r8a66597, val, 0, offset)
503 
504 static inline unsigned long get_syscfg_reg(int port)
505 {
506 	return port == 0 ? SYSCFG0 : SYSCFG1;
507 }
508 
509 static inline unsigned long get_syssts_reg(int port)
510 {
511 	return port == 0 ? SYSSTS0 : SYSSTS1;
512 }
513 
514 static inline unsigned long get_dvstctr_reg(int port)
515 {
516 	return port == 0 ? DVSTCTR0 : DVSTCTR1;
517 }
518 
519 static inline unsigned long get_dmacfg_reg(int port)
520 {
521 	return port == 0 ? DMA0CFG : DMA1CFG;
522 }
523 
524 static inline unsigned long get_intenb_reg(int port)
525 {
526 	return port == 0 ? INTENB1 : INTENB2;
527 }
528 
529 static inline unsigned long get_intsts_reg(int port)
530 {
531 	return port == 0 ? INTSTS1 : INTSTS2;
532 }
533 
534 static inline u16 get_rh_usb_speed(struct r8a66597 *r8a66597, int port)
535 {
536 	unsigned long dvstctr_reg = get_dvstctr_reg(port);
537 
538 	return r8a66597_read(r8a66597, dvstctr_reg) & RHST;
539 }
540 
541 static inline void r8a66597_port_power(struct r8a66597 *r8a66597, int port,
542 				       int power)
543 {
544 	unsigned long dvstctr_reg = get_dvstctr_reg(port);
545 
546 	if (power)
547 		r8a66597_bset(r8a66597, VBOUT, dvstctr_reg);
548 	else
549 		r8a66597_bclr(r8a66597, VBOUT, dvstctr_reg);
550 }
551 
552 #define get_pipectr_addr(pipenum)	(PIPE1CTR + (pipenum - 1) * 2)
553 #define get_pipetre_addr(pipenum)	(PIPE1TRE + (pipenum - 1) * 4)
554 #define get_pipetrn_addr(pipenum)	(PIPE1TRN + (pipenum - 1) * 4)
555 #define get_devadd_addr(address)	(DEVADD0 + address * 2)
556 
557 
558 /* USB HUB CONSTANTS (not OHCI-specific; see hub.h, based on usb_ohci.h) */
559 
560 /* destination of request */
561 #define RH_INTERFACE		   0x01
562 #define RH_ENDPOINT		   0x02
563 #define RH_OTHER		   0x03
564 
565 #define RH_CLASS		   0x20
566 #define RH_VENDOR		   0x40
567 
568 /* Requests: bRequest << 8 | bmRequestType */
569 #define RH_GET_STATUS		0x0080
570 #define RH_CLEAR_FEATURE	0x0100
571 #define RH_SET_FEATURE		0x0300
572 #define RH_SET_ADDRESS		0x0500
573 #define RH_GET_DESCRIPTOR	0x0680
574 #define RH_SET_DESCRIPTOR	0x0700
575 #define RH_GET_CONFIGURATION	0x0880
576 #define RH_SET_CONFIGURATION	0x0900
577 #define RH_GET_STATE		0x0280
578 #define RH_GET_INTERFACE	0x0A80
579 #define RH_SET_INTERFACE	0x0B00
580 #define RH_SYNC_FRAME		0x0C80
581 /* Our Vendor Specific Request */
582 #define RH_SET_EP		0x2000
583 
584 /* Hub port features */
585 #define RH_PORT_CONNECTION	   0x00
586 #define RH_PORT_ENABLE		   0x01
587 #define RH_PORT_SUSPEND		   0x02
588 #define RH_PORT_OVER_CURRENT	   0x03
589 #define RH_PORT_RESET		   0x04
590 #define RH_PORT_POWER		   0x08
591 #define RH_PORT_LOW_SPEED	   0x09
592 
593 #define RH_C_PORT_CONNECTION	   0x10
594 #define RH_C_PORT_ENABLE	   0x11
595 #define RH_C_PORT_SUSPEND	   0x12
596 #define RH_C_PORT_OVER_CURRENT	   0x13
597 #define RH_C_PORT_RESET		   0x14
598 
599 /* Hub features */
600 #define RH_C_HUB_LOCAL_POWER	   0x00
601 #define RH_C_HUB_OVER_CURRENT	   0x01
602 
603 #define RH_DEVICE_REMOTE_WAKEUP	   0x00
604 #define RH_ENDPOINT_STALL	   0x01
605 
606 #define RH_ACK			   0x01
607 #define RH_REQ_ERR		   -1
608 #define RH_NACK			   0x00
609 
610 /* OHCI ROOT HUB REGISTER MASKS */
611 
612 /* roothub.portstatus [i] bits */
613 #define RH_PS_CCS	0x00000001	/* current connect status */
614 #define RH_PS_PES	0x00000002	/* port enable status*/
615 #define RH_PS_PSS	0x00000004	/* port suspend status */
616 #define RH_PS_POCI	0x00000008	/* port over current indicator */
617 #define RH_PS_PRS	0x00000010	/* port reset status */
618 #define RH_PS_PPS	0x00000100	/* port power status */
619 #define RH_PS_LSDA	0x00000200	/* low speed device attached */
620 #define RH_PS_CSC	0x00010000	/* connect status change */
621 #define RH_PS_PESC	0x00020000	/* port enable status change */
622 #define RH_PS_PSSC	0x00040000	/* port suspend status change */
623 #define RH_PS_OCIC	0x00080000	/* over current indicator change */
624 #define RH_PS_PRSC	0x00100000	/* port reset status change */
625 
626 /* roothub.status bits */
627 #define RH_HS_LPS	0x00000001	/* local power status */
628 #define RH_HS_OCI	0x00000002	/* over current indicator */
629 #define RH_HS_DRWE	0x00008000	/* device remote wakeup enable */
630 #define RH_HS_LPSC	0x00010000	/* local power status change */
631 #define RH_HS_OCIC	0x00020000	/* over current indicator change */
632 #define RH_HS_CRWE	0x80000000	/* clear remote wakeup enable */
633 
634 /* roothub.b masks */
635 #define RH_B_DR		0x0000ffff	/* device removable flags */
636 #define RH_B_PPCM	0xffff0000	/* port power control mask */
637 
638 /* roothub.a masks */
639 #define RH_A_NDP	(0xff << 0)	/* number of downstream ports */
640 #define RH_A_PSM	(1 << 8)	/* power switching mode */
641 #define RH_A_NPS	(1 << 9)	/* no power switching */
642 #define RH_A_DT		(1 << 10)	/* device type (mbz) */
643 #define RH_A_OCPM	(1 << 11)	/* over current protection mode */
644 #define RH_A_NOCP	(1 << 12)	/* no over current protection */
645 #define RH_A_POTPGT	(0xff << 24)	/* power on to power good time */
646 
647 #endif	/* __R8A66597_H__ */
648