1 /*
2  *
3  * BRIEF MODULE DESCRIPTION
4  *	Include file for Alchemy Semiconductor's Au1k CPU.
5  *
6  * Copyright 2004 Embedded Edge, LLC
7  *	dan@embeddededge.com
8  *
9  *  This program is free software; you can redistribute  it and/or modify it
10  *  under  the terms of  the GNU General  Public License as published by the
11  *  Free Software Foundation;  either version 2 of the  License, or (at your
12  *  option) any later version.
13  *
14  *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
15  *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
16  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
17  *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
18  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
20  *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21  *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
22  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  *
25  *  You should have received a copy of the  GNU General Public License along
26  *  with this program; if not, write  to the Free Software Foundation, Inc.,
27  *  675 Mass Ave, Cambridge, MA 02139, USA.
28  */
29 
30 /* Specifics for the Au1xxx Programmable Serial Controllers, first
31  * seen in the AU1550 part.
32  */
33 #ifndef _AU1000_PSC_H_
34 #define _AU1000_PSC_H_
35 
36 /* The PSC base addresses.  */
37 #ifdef CONFIG_SOC_AU1550
38 #define PSC0_BASE_ADDR		0xb1a00000
39 #define PSC1_BASE_ADDR		0xb1b00000
40 #define PSC2_BASE_ADDR		0xb0a00000
41 #define PSC3_BASE_ADDR		0xb0b00000
42 #endif
43 
44 #ifdef CONFIG_SOC_AU1200
45 #define PSC0_BASE_ADDR		0xb1a00000
46 #define PSC1_BASE_ADDR		0xb1b00000
47 #endif
48 
49 /*
50  * The PSC select and control registers are common to all protocols.
51  */
52 #define PSC_SEL_OFFSET		0x00000000
53 #define PSC_CTRL_OFFSET		0x00000004
54 
55 #define PSC_SEL_CLK_MASK	(3 << 4)
56 #define PSC_SEL_CLK_INTCLK	(0 << 4)
57 #define PSC_SEL_CLK_EXTCLK	(1 << 4)
58 #define PSC_SEL_CLK_SERCLK	(2 << 4)
59 
60 #define PSC_SEL_PS_MASK		0x00000007
61 #define PSC_SEL_PS_DISABLED	0
62 #define PSC_SEL_PS_SPIMODE	2
63 #define PSC_SEL_PS_I2SMODE	3
64 #define PSC_SEL_PS_AC97MODE	4
65 #define PSC_SEL_PS_SMBUSMODE	5
66 
67 #define PSC_CTRL_DISABLE	0
68 #define PSC_CTRL_SUSPEND	2
69 #define PSC_CTRL_ENABLE 	3
70 
71 /* AC97 Registers. */
72 #define PSC_AC97CFG_OFFSET	0x00000008
73 #define PSC_AC97MSK_OFFSET	0x0000000c
74 #define PSC_AC97PCR_OFFSET	0x00000010
75 #define PSC_AC97STAT_OFFSET	0x00000014
76 #define PSC_AC97EVNT_OFFSET	0x00000018
77 #define PSC_AC97TXRX_OFFSET	0x0000001c
78 #define PSC_AC97CDC_OFFSET	0x00000020
79 #define PSC_AC97RST_OFFSET	0x00000024
80 #define PSC_AC97GPO_OFFSET	0x00000028
81 #define PSC_AC97GPI_OFFSET	0x0000002c
82 
83 #define AC97_PSC_SEL		(AC97_PSC_BASE + PSC_SEL_OFFSET)
84 #define AC97_PSC_CTRL		(AC97_PSC_BASE + PSC_CTRL_OFFSET)
85 #define PSC_AC97CFG		(AC97_PSC_BASE + PSC_AC97CFG_OFFSET)
86 #define PSC_AC97MSK		(AC97_PSC_BASE + PSC_AC97MSK_OFFSET)
87 #define PSC_AC97PCR		(AC97_PSC_BASE + PSC_AC97PCR_OFFSET)
88 #define PSC_AC97STAT		(AC97_PSC_BASE + PSC_AC97STAT_OFFSET)
89 #define PSC_AC97EVNT		(AC97_PSC_BASE + PSC_AC97EVNT_OFFSET)
90 #define PSC_AC97TXRX		(AC97_PSC_BASE + PSC_AC97TXRX_OFFSET)
91 #define PSC_AC97CDC		(AC97_PSC_BASE + PSC_AC97CDC_OFFSET)
92 #define PSC_AC97RST		(AC97_PSC_BASE + PSC_AC97RST_OFFSET)
93 #define PSC_AC97GPO		(AC97_PSC_BASE + PSC_AC97GPO_OFFSET)
94 #define PSC_AC97GPI		(AC97_PSC_BASE + PSC_AC97GPI_OFFSET)
95 
96 /* AC97 Config Register. */
97 #define PSC_AC97CFG_RT_MASK	(3 << 30)
98 #define PSC_AC97CFG_RT_FIFO1	(0 << 30)
99 #define PSC_AC97CFG_RT_FIFO2	(1 << 30)
100 #define PSC_AC97CFG_RT_FIFO4	(2 << 30)
101 #define PSC_AC97CFG_RT_FIFO8	(3 << 30)
102 
103 #define PSC_AC97CFG_TT_MASK	(3 << 28)
104 #define PSC_AC97CFG_TT_FIFO1	(0 << 28)
105 #define PSC_AC97CFG_TT_FIFO2	(1 << 28)
106 #define PSC_AC97CFG_TT_FIFO4	(2 << 28)
107 #define PSC_AC97CFG_TT_FIFO8	(3 << 28)
108 
109 #define PSC_AC97CFG_DD_DISABLE	(1 << 27)
110 #define PSC_AC97CFG_DE_ENABLE	(1 << 26)
111 #define PSC_AC97CFG_SE_ENABLE	(1 << 25)
112 
113 #define PSC_AC97CFG_LEN_MASK	(0xf << 21)
114 #define PSC_AC97CFG_TXSLOT_MASK	(0x3ff << 11)
115 #define PSC_AC97CFG_RXSLOT_MASK	(0x3ff << 1)
116 #define PSC_AC97CFG_GE_ENABLE	(1)
117 
118 /* Enable slots 3-12. */
119 #define PSC_AC97CFG_TXSLOT_ENA(x)	(1 << (((x) - 3) + 11))
120 #define PSC_AC97CFG_RXSLOT_ENA(x)	(1 << (((x) - 3) + 1))
121 
122 /*
123  * The word length equation is ((x) * 2) + 2, so choose 'x' appropriately.
124  * The only sensible numbers are 7, 9, or possibly 11.  Nah, just do the
125  * arithmetic in the macro.
126  */
127 #define PSC_AC97CFG_SET_LEN(x)	(((((x) - 2) / 2) & 0xf) << 21)
128 #define PSC_AC97CFG_GET_LEN(x)	(((((x) >> 21) & 0xf) * 2) + 2)
129 
130 /* AC97 Mask Register. */
131 #define PSC_AC97MSK_GR		(1 << 25)
132 #define PSC_AC97MSK_CD		(1 << 24)
133 #define PSC_AC97MSK_RR		(1 << 13)
134 #define PSC_AC97MSK_RO		(1 << 12)
135 #define PSC_AC97MSK_RU		(1 << 11)
136 #define PSC_AC97MSK_TR		(1 << 10)
137 #define PSC_AC97MSK_TO		(1 << 9)
138 #define PSC_AC97MSK_TU		(1 << 8)
139 #define PSC_AC97MSK_RD		(1 << 5)
140 #define PSC_AC97MSK_TD		(1 << 4)
141 #define PSC_AC97MSK_ALLMASK	(PSC_AC97MSK_GR | PSC_AC97MSK_CD | \
142 				 PSC_AC97MSK_RR | PSC_AC97MSK_RO | \
143 				 PSC_AC97MSK_RU | PSC_AC97MSK_TR | \
144 				 PSC_AC97MSK_TO | PSC_AC97MSK_TU | \
145 				 PSC_AC97MSK_RD | PSC_AC97MSK_TD)
146 
147 /* AC97 Protocol Control Register. */
148 #define PSC_AC97PCR_RC		(1 << 6)
149 #define PSC_AC97PCR_RP		(1 << 5)
150 #define PSC_AC97PCR_RS		(1 << 4)
151 #define PSC_AC97PCR_TC		(1 << 2)
152 #define PSC_AC97PCR_TP		(1 << 1)
153 #define PSC_AC97PCR_TS		(1 << 0)
154 
155 /* AC97 Status register (read only). */
156 #define PSC_AC97STAT_CB		(1 << 26)
157 #define PSC_AC97STAT_CP		(1 << 25)
158 #define PSC_AC97STAT_CR		(1 << 24)
159 #define PSC_AC97STAT_RF		(1 << 13)
160 #define PSC_AC97STAT_RE		(1 << 12)
161 #define PSC_AC97STAT_RR		(1 << 11)
162 #define PSC_AC97STAT_TF		(1 << 10)
163 #define PSC_AC97STAT_TE		(1 << 9)
164 #define PSC_AC97STAT_TR		(1 << 8)
165 #define PSC_AC97STAT_RB		(1 << 5)
166 #define PSC_AC97STAT_TB		(1 << 4)
167 #define PSC_AC97STAT_DI		(1 << 2)
168 #define PSC_AC97STAT_DR		(1 << 1)
169 #define PSC_AC97STAT_SR		(1 << 0)
170 
171 /* AC97 Event Register. */
172 #define PSC_AC97EVNT_GR		(1 << 25)
173 #define PSC_AC97EVNT_CD		(1 << 24)
174 #define PSC_AC97EVNT_RR		(1 << 13)
175 #define PSC_AC97EVNT_RO		(1 << 12)
176 #define PSC_AC97EVNT_RU		(1 << 11)
177 #define PSC_AC97EVNT_TR		(1 << 10)
178 #define PSC_AC97EVNT_TO		(1 << 9)
179 #define PSC_AC97EVNT_TU		(1 << 8)
180 #define PSC_AC97EVNT_RD		(1 << 5)
181 #define PSC_AC97EVNT_TD		(1 << 4)
182 
183 /* CODEC Command Register. */
184 #define PSC_AC97CDC_RD		(1 << 25)
185 #define PSC_AC97CDC_ID_MASK	(3 << 23)
186 #define PSC_AC97CDC_INDX_MASK	(0x7f << 16)
187 #define PSC_AC97CDC_ID(x)	(((x) & 0x03) << 23)
188 #define PSC_AC97CDC_INDX(x)	(((x) & 0x7f) << 16)
189 
190 /* AC97 Reset Control Register. */
191 #define PSC_AC97RST_RST		(1 << 1)
192 #define PSC_AC97RST_SNC		(1 << 0)
193 
194 /* PSC in I2S Mode. */
195 typedef struct	psc_i2s {
196 	u32	psc_sel;
197 	u32	psc_ctrl;
198 	u32	psc_i2scfg;
199 	u32	psc_i2smsk;
200 	u32	psc_i2spcr;
201 	u32	psc_i2sstat;
202 	u32	psc_i2sevent;
203 	u32	psc_i2stxrx;
204 	u32	psc_i2sudf;
205 } psc_i2s_t;
206 
207 #define PSC_I2SCFG_OFFSET	0x08
208 #define PSC_I2SMASK_OFFSET	0x0C
209 #define PSC_I2SPCR_OFFSET	0x10
210 #define PSC_I2SSTAT_OFFSET	0x14
211 #define PSC_I2SEVENT_OFFSET	0x18
212 #define PSC_I2SRXTX_OFFSET	0x1C
213 #define PSC_I2SUDF_OFFSET	0x20
214 
215 /* I2S Config Register. */
216 #define PSC_I2SCFG_RT_MASK	(3 << 30)
217 #define PSC_I2SCFG_RT_FIFO1	(0 << 30)
218 #define PSC_I2SCFG_RT_FIFO2	(1 << 30)
219 #define PSC_I2SCFG_RT_FIFO4	(2 << 30)
220 #define PSC_I2SCFG_RT_FIFO8	(3 << 30)
221 
222 #define PSC_I2SCFG_TT_MASK	(3 << 28)
223 #define PSC_I2SCFG_TT_FIFO1	(0 << 28)
224 #define PSC_I2SCFG_TT_FIFO2	(1 << 28)
225 #define PSC_I2SCFG_TT_FIFO4	(2 << 28)
226 #define PSC_I2SCFG_TT_FIFO8	(3 << 28)
227 
228 #define PSC_I2SCFG_DD_DISABLE	(1 << 27)
229 #define PSC_I2SCFG_DE_ENABLE	(1 << 26)
230 #define PSC_I2SCFG_SET_WS(x)	(((((x) / 2) - 1) & 0x7f) << 16)
231 #define PSC_I2SCFG_WS(n)	((n & 0xFF) << 16)
232 #define PSC_I2SCFG_WS_MASK	(PSC_I2SCFG_WS(0x3F))
233 #define PSC_I2SCFG_WI		(1 << 15)
234 
235 #define PSC_I2SCFG_DIV_MASK	(3 << 13)
236 #define PSC_I2SCFG_DIV2		(0 << 13)
237 #define PSC_I2SCFG_DIV4		(1 << 13)
238 #define PSC_I2SCFG_DIV8		(2 << 13)
239 #define PSC_I2SCFG_DIV16	(3 << 13)
240 
241 #define PSC_I2SCFG_BI		(1 << 12)
242 #define PSC_I2SCFG_BUF		(1 << 11)
243 #define PSC_I2SCFG_MLJ		(1 << 10)
244 #define PSC_I2SCFG_XM		(1 << 9)
245 
246 /* The word length equation is simply LEN+1. */
247 #define PSC_I2SCFG_SET_LEN(x)	((((x) - 1) & 0x1f) << 4)
248 #define PSC_I2SCFG_GET_LEN(x)	((((x) >> 4) & 0x1f) + 1)
249 
250 #define PSC_I2SCFG_LB		(1 << 2)
251 #define PSC_I2SCFG_MLF		(1 << 1)
252 #define PSC_I2SCFG_MS		(1 << 0)
253 
254 /* I2S Mask Register. */
255 #define PSC_I2SMSK_RR		(1 << 13)
256 #define PSC_I2SMSK_RO		(1 << 12)
257 #define PSC_I2SMSK_RU		(1 << 11)
258 #define PSC_I2SMSK_TR		(1 << 10)
259 #define PSC_I2SMSK_TO		(1 << 9)
260 #define PSC_I2SMSK_TU		(1 << 8)
261 #define PSC_I2SMSK_RD		(1 << 5)
262 #define PSC_I2SMSK_TD		(1 << 4)
263 #define PSC_I2SMSK_ALLMASK	(PSC_I2SMSK_RR | PSC_I2SMSK_RO | \
264 				 PSC_I2SMSK_RU | PSC_I2SMSK_TR | \
265 				 PSC_I2SMSK_TO | PSC_I2SMSK_TU | \
266 				 PSC_I2SMSK_RD | PSC_I2SMSK_TD)
267 
268 /* I2S Protocol Control Register. */
269 #define PSC_I2SPCR_RC		(1 << 6)
270 #define PSC_I2SPCR_RP		(1 << 5)
271 #define PSC_I2SPCR_RS		(1 << 4)
272 #define PSC_I2SPCR_TC		(1 << 2)
273 #define PSC_I2SPCR_TP		(1 << 1)
274 #define PSC_I2SPCR_TS		(1 << 0)
275 
276 /* I2S Status register (read only). */
277 #define PSC_I2SSTAT_RF		(1 << 13)
278 #define PSC_I2SSTAT_RE		(1 << 12)
279 #define PSC_I2SSTAT_RR		(1 << 11)
280 #define PSC_I2SSTAT_TF		(1 << 10)
281 #define PSC_I2SSTAT_TE		(1 << 9)
282 #define PSC_I2SSTAT_TR		(1 << 8)
283 #define PSC_I2SSTAT_RB		(1 << 5)
284 #define PSC_I2SSTAT_TB		(1 << 4)
285 #define PSC_I2SSTAT_DI		(1 << 2)
286 #define PSC_I2SSTAT_DR		(1 << 1)
287 #define PSC_I2SSTAT_SR		(1 << 0)
288 
289 /* I2S Event Register. */
290 #define PSC_I2SEVNT_RR		(1 << 13)
291 #define PSC_I2SEVNT_RO		(1 << 12)
292 #define PSC_I2SEVNT_RU		(1 << 11)
293 #define PSC_I2SEVNT_TR		(1 << 10)
294 #define PSC_I2SEVNT_TO		(1 << 9)
295 #define PSC_I2SEVNT_TU		(1 << 8)
296 #define PSC_I2SEVNT_RD		(1 << 5)
297 #define PSC_I2SEVNT_TD		(1 << 4)
298 
299 /* PSC in SPI Mode. */
300 typedef struct	psc_spi {
301 	u32	psc_sel;
302 	u32	psc_ctrl;
303 	u32	psc_spicfg;
304 	u32	psc_spimsk;
305 	u32	psc_spipcr;
306 	u32	psc_spistat;
307 	u32	psc_spievent;
308 	u32	psc_spitxrx;
309 } psc_spi_t;
310 
311 /* SPI Config Register. */
312 #define PSC_SPICFG_RT_MASK	(3 << 30)
313 #define PSC_SPICFG_RT_FIFO1	(0 << 30)
314 #define PSC_SPICFG_RT_FIFO2	(1 << 30)
315 #define PSC_SPICFG_RT_FIFO4	(2 << 30)
316 #define PSC_SPICFG_RT_FIFO8	(3 << 30)
317 
318 #define PSC_SPICFG_TT_MASK	(3 << 28)
319 #define PSC_SPICFG_TT_FIFO1	(0 << 28)
320 #define PSC_SPICFG_TT_FIFO2	(1 << 28)
321 #define PSC_SPICFG_TT_FIFO4	(2 << 28)
322 #define PSC_SPICFG_TT_FIFO8	(3 << 28)
323 
324 #define PSC_SPICFG_DD_DISABLE	(1 << 27)
325 #define PSC_SPICFG_DE_ENABLE	(1 << 26)
326 #define PSC_SPICFG_CLR_BAUD(x)	((x) & ~((0x3f) << 15))
327 #define PSC_SPICFG_SET_BAUD(x)	(((x) & 0x3f) << 15)
328 
329 #define PSC_SPICFG_SET_DIV(x)	(((x) & 0x03) << 13)
330 #define PSC_SPICFG_DIV2		0
331 #define PSC_SPICFG_DIV4		1
332 #define PSC_SPICFG_DIV8		2
333 #define PSC_SPICFG_DIV16	3
334 
335 #define PSC_SPICFG_BI		(1 << 12)
336 #define PSC_SPICFG_PSE		(1 << 11)
337 #define PSC_SPICFG_CGE		(1 << 10)
338 #define PSC_SPICFG_CDE		(1 << 9)
339 
340 #define PSC_SPICFG_CLR_LEN(x)	((x) & ~((0x1f) << 4))
341 #define PSC_SPICFG_SET_LEN(x)	(((x-1) & 0x1f) << 4)
342 
343 #define PSC_SPICFG_LB		(1 << 3)
344 #define PSC_SPICFG_MLF		(1 << 1)
345 #define PSC_SPICFG_MO		(1 << 0)
346 
347 /* SPI Mask Register. */
348 #define PSC_SPIMSK_MM		(1 << 16)
349 #define PSC_SPIMSK_RR		(1 << 13)
350 #define PSC_SPIMSK_RO		(1 << 12)
351 #define PSC_SPIMSK_RU		(1 << 11)
352 #define PSC_SPIMSK_TR		(1 << 10)
353 #define PSC_SPIMSK_TO		(1 << 9)
354 #define PSC_SPIMSK_TU		(1 << 8)
355 #define PSC_SPIMSK_SD		(1 << 5)
356 #define PSC_SPIMSK_MD		(1 << 4)
357 #define PSC_SPIMSK_ALLMASK	(PSC_SPIMSK_MM | PSC_SPIMSK_RR | \
358 				 PSC_SPIMSK_RO | PSC_SPIMSK_TO | \
359 				 PSC_SPIMSK_TU | PSC_SPIMSK_SD | \
360 				 PSC_SPIMSK_MD)
361 
362 /* SPI Protocol Control Register. */
363 #define PSC_SPIPCR_RC		(1 << 6)
364 #define PSC_SPIPCR_SP		(1 << 5)
365 #define PSC_SPIPCR_SS		(1 << 4)
366 #define PSC_SPIPCR_TC		(1 << 2)
367 #define PSC_SPIPCR_MS		(1 << 0)
368 
369 /* SPI Status register (read only). */
370 #define PSC_SPISTAT_RF		(1 << 13)
371 #define PSC_SPISTAT_RE		(1 << 12)
372 #define PSC_SPISTAT_RR		(1 << 11)
373 #define PSC_SPISTAT_TF		(1 << 10)
374 #define PSC_SPISTAT_TE		(1 << 9)
375 #define PSC_SPISTAT_TR		(1 << 8)
376 #define PSC_SPISTAT_SB		(1 << 5)
377 #define PSC_SPISTAT_MB		(1 << 4)
378 #define PSC_SPISTAT_DI		(1 << 2)
379 #define PSC_SPISTAT_DR		(1 << 1)
380 #define PSC_SPISTAT_SR		(1 << 0)
381 
382 /* SPI Event Register. */
383 #define PSC_SPIEVNT_MM		(1 << 16)
384 #define PSC_SPIEVNT_RR		(1 << 13)
385 #define PSC_SPIEVNT_RO		(1 << 12)
386 #define PSC_SPIEVNT_RU		(1 << 11)
387 #define PSC_SPIEVNT_TR		(1 << 10)
388 #define PSC_SPIEVNT_TO		(1 << 9)
389 #define PSC_SPIEVNT_TU		(1 << 8)
390 #define PSC_SPIEVNT_SD		(1 << 5)
391 #define PSC_SPIEVNT_MD		(1 << 4)
392 
393 /* Transmit register control. */
394 #define PSC_SPITXRX_LC		(1 << 29)
395 #define PSC_SPITXRX_SR		(1 << 28)
396 
397 /* PSC in SMBus (I2C) Mode. */
398 typedef struct	psc_smb {
399 	u32	psc_sel;
400 	u32	psc_ctrl;
401 	u32	psc_smbcfg;
402 	u32	psc_smbmsk;
403 	u32	psc_smbpcr;
404 	u32	psc_smbstat;
405 	u32	psc_smbevnt;
406 	u32	psc_smbtxrx;
407 	u32	psc_smbtmr;
408 } psc_smb_t;
409 
410 /* SMBus Config Register. */
411 #define PSC_SMBCFG_RT_MASK	(3 << 30)
412 #define PSC_SMBCFG_RT_FIFO1	(0 << 30)
413 #define PSC_SMBCFG_RT_FIFO2	(1 << 30)
414 #define PSC_SMBCFG_RT_FIFO4	(2 << 30)
415 #define PSC_SMBCFG_RT_FIFO8	(3 << 30)
416 
417 #define PSC_SMBCFG_TT_MASK	(3 << 28)
418 #define PSC_SMBCFG_TT_FIFO1	(0 << 28)
419 #define PSC_SMBCFG_TT_FIFO2	(1 << 28)
420 #define PSC_SMBCFG_TT_FIFO4	(2 << 28)
421 #define PSC_SMBCFG_TT_FIFO8	(3 << 28)
422 
423 #define PSC_SMBCFG_DD_DISABLE	(1 << 27)
424 #define PSC_SMBCFG_DE_ENABLE	(1 << 26)
425 
426 #define PSC_SMBCFG_SET_DIV(x)	(((x) & 0x03) << 13)
427 #define PSC_SMBCFG_DIV2		0
428 #define PSC_SMBCFG_DIV4		1
429 #define PSC_SMBCFG_DIV8		2
430 #define PSC_SMBCFG_DIV16	3
431 
432 #define PSC_SMBCFG_GCE		(1 << 9)
433 #define PSC_SMBCFG_SFM		(1 << 8)
434 
435 #define PSC_SMBCFG_SET_SLV(x)	(((x) & 0x7f) << 1)
436 
437 /* SMBus Mask Register. */
438 #define PSC_SMBMSK_DN		(1 << 30)
439 #define PSC_SMBMSK_AN		(1 << 29)
440 #define PSC_SMBMSK_AL		(1 << 28)
441 #define PSC_SMBMSK_RR		(1 << 13)
442 #define PSC_SMBMSK_RO		(1 << 12)
443 #define PSC_SMBMSK_RU		(1 << 11)
444 #define PSC_SMBMSK_TR		(1 << 10)
445 #define PSC_SMBMSK_TO		(1 << 9)
446 #define PSC_SMBMSK_TU		(1 << 8)
447 #define PSC_SMBMSK_SD		(1 << 5)
448 #define PSC_SMBMSK_MD		(1 << 4)
449 #define PSC_SMBMSK_ALLMASK	(PSC_SMBMSK_DN | PSC_SMBMSK_AN | \
450 				 PSC_SMBMSK_AL | PSC_SMBMSK_RR | \
451 				 PSC_SMBMSK_RO | PSC_SMBMSK_TO | \
452 				 PSC_SMBMSK_TU | PSC_SMBMSK_SD | \
453 				 PSC_SMBMSK_MD)
454 
455 /* SMBus Protocol Control Register. */
456 #define PSC_SMBPCR_DC		(1 << 2)
457 #define PSC_SMBPCR_MS		(1 << 0)
458 
459 /* SMBus Status register (read only). */
460 #define PSC_SMBSTAT_BB		(1 << 28)
461 #define PSC_SMBSTAT_RF		(1 << 13)
462 #define PSC_SMBSTAT_RE		(1 << 12)
463 #define PSC_SMBSTAT_RR		(1 << 11)
464 #define PSC_SMBSTAT_TF		(1 << 10)
465 #define PSC_SMBSTAT_TE		(1 << 9)
466 #define PSC_SMBSTAT_TR		(1 << 8)
467 #define PSC_SMBSTAT_SB		(1 << 5)
468 #define PSC_SMBSTAT_MB		(1 << 4)
469 #define PSC_SMBSTAT_DI		(1 << 2)
470 #define PSC_SMBSTAT_DR		(1 << 1)
471 #define PSC_SMBSTAT_SR		(1 << 0)
472 
473 /* SMBus Event Register. */
474 #define PSC_SMBEVNT_DN		(1 << 30)
475 #define PSC_SMBEVNT_AN		(1 << 29)
476 #define PSC_SMBEVNT_AL		(1 << 28)
477 #define PSC_SMBEVNT_RR		(1 << 13)
478 #define PSC_SMBEVNT_RO		(1 << 12)
479 #define PSC_SMBEVNT_RU		(1 << 11)
480 #define PSC_SMBEVNT_TR		(1 << 10)
481 #define PSC_SMBEVNT_TO		(1 << 9)
482 #define PSC_SMBEVNT_TU		(1 << 8)
483 #define PSC_SMBEVNT_SD		(1 << 5)
484 #define PSC_SMBEVNT_MD		(1 << 4)
485 #define PSC_SMBEVNT_ALLCLR	(PSC_SMBEVNT_DN | PSC_SMBEVNT_AN | \
486 				 PSC_SMBEVNT_AL | PSC_SMBEVNT_RR | \
487 				 PSC_SMBEVNT_RO | PSC_SMBEVNT_TO | \
488 				 PSC_SMBEVNT_TU | PSC_SMBEVNT_SD | \
489 				 PSC_SMBEVNT_MD)
490 
491 /* Transmit register control. */
492 #define PSC_SMBTXRX_RSR		(1 << 28)
493 #define PSC_SMBTXRX_STP		(1 << 29)
494 #define PSC_SMBTXRX_DATAMASK	0xff
495 
496 /* SMBus protocol timers register. */
497 #define PSC_SMBTMR_SET_TH(x)	(((x) & 0x03) << 30)
498 #define PSC_SMBTMR_SET_PS(x)	(((x) & 0x1f) << 25)
499 #define PSC_SMBTMR_SET_PU(x)	(((x) & 0x1f) << 20)
500 #define PSC_SMBTMR_SET_SH(x)	(((x) & 0x1f) << 15)
501 #define PSC_SMBTMR_SET_SU(x)	(((x) & 0x1f) << 10)
502 #define PSC_SMBTMR_SET_CL(x)	(((x) & 0x1f) << 5)
503 #define PSC_SMBTMR_SET_CH(x)	(((x) & 0x1f) << 0)
504 
505 #endif /* _AU1000_PSC_H_ */
506