xref: /openbmc/linux/include/soc/fsl/qe/immap_qe.h (revision 23c2b932)
1 /*
2  * QUICC Engine (QE) Internal Memory Map.
3  * The Internal Memory Map for devices with QE on them. This
4  * is the superset of all QE devices (8360, etc.).
5 
6  * Copyright (C) 2006. Freescale Semiconductor, Inc. All rights reserved.
7  *
8  * Authors: 	Shlomi Gridish <gridish@freescale.com>
9  * 		Li Yang <leoli@freescale.com>
10  *
11  * This program is free software; you can redistribute  it and/or modify it
12  * under  the terms of  the GNU General  Public License as published by the
13  * Free Software Foundation;  either version 2 of the  License, or (at your
14  * option) any later version.
15  */
16 #ifndef _ASM_POWERPC_IMMAP_QE_H
17 #define _ASM_POWERPC_IMMAP_QE_H
18 #ifdef __KERNEL__
19 
20 #include <linux/kernel.h>
21 #include <asm/io.h>
22 
23 #define QE_IMMAP_SIZE	(1024 * 1024)	/* 1MB from 1MB+IMMR */
24 
25 /* QE I-RAM */
26 struct qe_iram {
27 	__be32	iadd;		/* I-RAM Address Register */
28 	__be32	idata;		/* I-RAM Data Register */
29 	u8	res0[0x04];
30 	__be32	iready;		/* I-RAM Ready Register */
31 	u8	res1[0x70];
32 } __attribute__ ((packed));
33 
34 /* QE Interrupt Controller */
35 struct qe_ic_regs {
36 	__be32	qicr;
37 	__be32	qivec;
38 	__be32	qripnr;
39 	__be32	qipnr;
40 	__be32	qipxcc;
41 	__be32	qipycc;
42 	__be32	qipwcc;
43 	__be32	qipzcc;
44 	__be32	qimr;
45 	__be32	qrimr;
46 	__be32	qicnr;
47 	u8	res0[0x4];
48 	__be32	qiprta;
49 	__be32	qiprtb;
50 	u8	res1[0x4];
51 	__be32	qricr;
52 	u8	res2[0x20];
53 	__be32	qhivec;
54 	u8	res3[0x1C];
55 } __attribute__ ((packed));
56 
57 /* Communications Processor */
58 struct cp_qe {
59 	__be32	cecr;		/* QE command register */
60 	__be32	ceccr;		/* QE controller configuration register */
61 	__be32	cecdr;		/* QE command data register */
62 	u8	res0[0xA];
63 	__be16	ceter;		/* QE timer event register */
64 	u8	res1[0x2];
65 	__be16	cetmr;		/* QE timers mask register */
66 	__be32	cetscr;		/* QE time-stamp timer control register */
67 	__be32	cetsr1;		/* QE time-stamp register 1 */
68 	__be32	cetsr2;		/* QE time-stamp register 2 */
69 	u8	res2[0x8];
70 	__be32	cevter;		/* QE virtual tasks event register */
71 	__be32	cevtmr;		/* QE virtual tasks mask register */
72 	__be16	cercr;		/* QE RAM control register */
73 	u8	res3[0x2];
74 	u8	res4[0x24];
75 	__be16	ceexe1;		/* QE external request 1 event register */
76 	u8	res5[0x2];
77 	__be16	ceexm1;		/* QE external request 1 mask register */
78 	u8	res6[0x2];
79 	__be16	ceexe2;		/* QE external request 2 event register */
80 	u8	res7[0x2];
81 	__be16	ceexm2;		/* QE external request 2 mask register */
82 	u8	res8[0x2];
83 	__be16	ceexe3;		/* QE external request 3 event register */
84 	u8	res9[0x2];
85 	__be16	ceexm3;		/* QE external request 3 mask register */
86 	u8	res10[0x2];
87 	__be16	ceexe4;		/* QE external request 4 event register */
88 	u8	res11[0x2];
89 	__be16	ceexm4;		/* QE external request 4 mask register */
90 	u8	res12[0x3A];
91 	__be32	ceurnr;		/* QE microcode revision number register */
92 	u8	res13[0x244];
93 } __attribute__ ((packed));
94 
95 /* QE Multiplexer */
96 struct qe_mux {
97 	__be32	cmxgcr;		/* CMX general clock route register */
98 	__be32	cmxsi1cr_l;	/* CMX SI1 clock route low register */
99 	__be32	cmxsi1cr_h;	/* CMX SI1 clock route high register */
100 	__be32	cmxsi1syr;	/* CMX SI1 SYNC route register */
101 	__be32	cmxucr[4];	/* CMX UCCx clock route registers */
102 	__be32	cmxupcr;	/* CMX UPC clock route register */
103 	u8	res0[0x1C];
104 } __attribute__ ((packed));
105 
106 /* QE Timers */
107 struct qe_timers {
108 	u8	gtcfr1;		/* Timer 1 and Timer 2 global config register*/
109 	u8	res0[0x3];
110 	u8	gtcfr2;		/* Timer 3 and timer 4 global config register*/
111 	u8	res1[0xB];
112 	__be16	gtmdr1;		/* Timer 1 mode register */
113 	__be16	gtmdr2;		/* Timer 2 mode register */
114 	__be16	gtrfr1;		/* Timer 1 reference register */
115 	__be16	gtrfr2;		/* Timer 2 reference register */
116 	__be16	gtcpr1;		/* Timer 1 capture register */
117 	__be16	gtcpr2;		/* Timer 2 capture register */
118 	__be16	gtcnr1;		/* Timer 1 counter */
119 	__be16	gtcnr2;		/* Timer 2 counter */
120 	__be16	gtmdr3;		/* Timer 3 mode register */
121 	__be16	gtmdr4;		/* Timer 4 mode register */
122 	__be16	gtrfr3;		/* Timer 3 reference register */
123 	__be16	gtrfr4;		/* Timer 4 reference register */
124 	__be16	gtcpr3;		/* Timer 3 capture register */
125 	__be16	gtcpr4;		/* Timer 4 capture register */
126 	__be16	gtcnr3;		/* Timer 3 counter */
127 	__be16	gtcnr4;		/* Timer 4 counter */
128 	__be16	gtevr1;		/* Timer 1 event register */
129 	__be16	gtevr2;		/* Timer 2 event register */
130 	__be16	gtevr3;		/* Timer 3 event register */
131 	__be16	gtevr4;		/* Timer 4 event register */
132 	__be16	gtps;		/* Timer 1 prescale register */
133 	u8 res2[0x46];
134 } __attribute__ ((packed));
135 
136 /* BRG */
137 struct qe_brg {
138 	__be32	brgc[16];	/* BRG configuration registers */
139 	u8	res0[0x40];
140 } __attribute__ ((packed));
141 
142 /* SPI */
143 struct spi {
144 	u8	res0[0x20];
145 	__be32	spmode;		/* SPI mode register */
146 	u8	res1[0x2];
147 	u8	spie;		/* SPI event register */
148 	u8	res2[0x1];
149 	u8	res3[0x2];
150 	u8	spim;		/* SPI mask register */
151 	u8	res4[0x1];
152 	u8	res5[0x1];
153 	u8	spcom;		/* SPI command register */
154 	u8	res6[0x2];
155 	__be32	spitd;		/* SPI transmit data register (cpu mode) */
156 	__be32	spird;		/* SPI receive data register (cpu mode) */
157 	u8	res7[0x8];
158 } __attribute__ ((packed));
159 
160 /* SI */
161 struct si1 {
162 	__be16	siamr1;		/* SI1 TDMA mode register */
163 	__be16	sibmr1;		/* SI1 TDMB mode register */
164 	__be16	sicmr1;		/* SI1 TDMC mode register */
165 	__be16	sidmr1;		/* SI1 TDMD mode register */
166 	u8	siglmr1_h;	/* SI1 global mode register high */
167 	u8	res0[0x1];
168 	u8	sicmdr1_h;	/* SI1 command register high */
169 	u8	res2[0x1];
170 	u8	sistr1_h;	/* SI1 status register high */
171 	u8	res3[0x1];
172 	__be16	sirsr1_h;	/* SI1 RAM shadow address register high */
173 	u8	sitarc1;	/* SI1 RAM counter Tx TDMA */
174 	u8	sitbrc1;	/* SI1 RAM counter Tx TDMB */
175 	u8	sitcrc1;	/* SI1 RAM counter Tx TDMC */
176 	u8	sitdrc1;	/* SI1 RAM counter Tx TDMD */
177 	u8	sirarc1;	/* SI1 RAM counter Rx TDMA */
178 	u8	sirbrc1;	/* SI1 RAM counter Rx TDMB */
179 	u8	sircrc1;	/* SI1 RAM counter Rx TDMC */
180 	u8	sirdrc1;	/* SI1 RAM counter Rx TDMD */
181 	u8	res4[0x8];
182 	__be16	siemr1;		/* SI1 TDME mode register 16 bits */
183 	__be16	sifmr1;		/* SI1 TDMF mode register 16 bits */
184 	__be16	sigmr1;		/* SI1 TDMG mode register 16 bits */
185 	__be16	sihmr1;		/* SI1 TDMH mode register 16 bits */
186 	u8	siglmg1_l;	/* SI1 global mode register low 8 bits */
187 	u8	res5[0x1];
188 	u8	sicmdr1_l;	/* SI1 command register low 8 bits */
189 	u8	res6[0x1];
190 	u8	sistr1_l;	/* SI1 status register low 8 bits */
191 	u8	res7[0x1];
192 	__be16	sirsr1_l;	/* SI1 RAM shadow address register low 16 bits*/
193 	u8	siterc1;	/* SI1 RAM counter Tx TDME 8 bits */
194 	u8	sitfrc1;	/* SI1 RAM counter Tx TDMF 8 bits */
195 	u8	sitgrc1;	/* SI1 RAM counter Tx TDMG 8 bits */
196 	u8	sithrc1;	/* SI1 RAM counter Tx TDMH 8 bits */
197 	u8	sirerc1;	/* SI1 RAM counter Rx TDME 8 bits */
198 	u8	sirfrc1;	/* SI1 RAM counter Rx TDMF 8 bits */
199 	u8	sirgrc1;	/* SI1 RAM counter Rx TDMG 8 bits */
200 	u8	sirhrc1;	/* SI1 RAM counter Rx TDMH 8 bits */
201 	u8	res8[0x8];
202 	__be32	siml1;		/* SI1 multiframe limit register */
203 	u8	siedm1;		/* SI1 extended diagnostic mode register */
204 	u8	res9[0xBB];
205 } __attribute__ ((packed));
206 
207 /* SI Routing Tables */
208 struct sir {
209 	u8 	tx[0x400];
210 	u8	rx[0x400];
211 	u8	res0[0x800];
212 } __attribute__ ((packed));
213 
214 /* USB Controller */
215 struct qe_usb_ctlr {
216 	u8	usb_usmod;
217 	u8	usb_usadr;
218 	u8	usb_uscom;
219 	u8	res1[1];
220 	__be16  usb_usep[4];
221 	u8	res2[4];
222 	__be16	usb_usber;
223 	u8	res3[2];
224 	__be16	usb_usbmr;
225 	u8	res4[1];
226 	u8	usb_usbs;
227 	__be16	usb_ussft;
228 	u8	res5[2];
229 	__be16	usb_usfrn;
230 	u8	res6[0x22];
231 } __attribute__ ((packed));
232 
233 /* MCC */
234 struct qe_mcc {
235 	__be32	mcce;		/* MCC event register */
236 	__be32	mccm;		/* MCC mask register */
237 	__be32	mccf;		/* MCC configuration register */
238 	__be32	merl;		/* MCC emergency request level register */
239 	u8	res0[0xF0];
240 } __attribute__ ((packed));
241 
242 /* QE UCC Slow */
243 struct ucc_slow {
244 	__be32	gumr_l;		/* UCCx general mode register (low) */
245 	__be32	gumr_h;		/* UCCx general mode register (high) */
246 	__be16	upsmr;		/* UCCx protocol-specific mode register */
247 	u8	res0[0x2];
248 	__be16	utodr;		/* UCCx transmit on demand register */
249 	__be16	udsr;		/* UCCx data synchronization register */
250 	__be16	ucce;		/* UCCx event register */
251 	u8	res1[0x2];
252 	__be16	uccm;		/* UCCx mask register */
253 	u8	res2[0x1];
254 	u8	uccs;		/* UCCx status register */
255 	u8	res3[0x24];
256 	__be16	utpt;
257 	u8	res4[0x52];
258 	u8	guemr;		/* UCC general extended mode register */
259 } __attribute__ ((packed));
260 
261 /* QE UCC Fast */
262 struct ucc_fast {
263 	__be32	gumr;		/* UCCx general mode register */
264 	__be32	upsmr;		/* UCCx protocol-specific mode register */
265 	__be16	utodr;		/* UCCx transmit on demand register */
266 	u8	res0[0x2];
267 	__be16	udsr;		/* UCCx data synchronization register */
268 	u8	res1[0x2];
269 	__be32	ucce;		/* UCCx event register */
270 	__be32	uccm;		/* UCCx mask register */
271 	u8	uccs;		/* UCCx status register */
272 	u8	res2[0x7];
273 	__be32	urfb;		/* UCC receive FIFO base */
274 	__be16	urfs;		/* UCC receive FIFO size */
275 	u8	res3[0x2];
276 	__be16	urfet;		/* UCC receive FIFO emergency threshold */
277 	__be16	urfset;		/* UCC receive FIFO special emergency
278 				   threshold */
279 	__be32	utfb;		/* UCC transmit FIFO base */
280 	__be16	utfs;		/* UCC transmit FIFO size */
281 	u8	res4[0x2];
282 	__be16	utfet;		/* UCC transmit FIFO emergency threshold */
283 	u8	res5[0x2];
284 	__be16	utftt;		/* UCC transmit FIFO transmit threshold */
285 	u8	res6[0x2];
286 	__be16	utpt;		/* UCC transmit polling timer */
287 	u8	res7[0x2];
288 	__be32	urtry;		/* UCC retry counter register */
289 	u8	res8[0x4C];
290 	u8	guemr;		/* UCC general extended mode register */
291 } __attribute__ ((packed));
292 
293 struct ucc {
294 	union {
295 		struct	ucc_slow slow;
296 		struct	ucc_fast fast;
297 		u8	res[0x200];	/* UCC blocks are 512 bytes each */
298 	};
299 } __attribute__ ((packed));
300 
301 /* MultiPHY UTOPIA POS Controllers (UPC) */
302 struct upc {
303 	__be32	upgcr;		/* UTOPIA/POS general configuration register */
304 	__be32	uplpa;		/* UTOPIA/POS last PHY address */
305 	__be32	uphec;		/* ATM HEC register */
306 	__be32	upuc;		/* UTOPIA/POS UCC configuration */
307 	__be32	updc1;		/* UTOPIA/POS device 1 configuration */
308 	__be32	updc2;		/* UTOPIA/POS device 2 configuration */
309 	__be32	updc3;		/* UTOPIA/POS device 3 configuration */
310 	__be32	updc4;		/* UTOPIA/POS device 4 configuration */
311 	__be32	upstpa;		/* UTOPIA/POS STPA threshold */
312 	u8	res0[0xC];
313 	__be32	updrs1_h;	/* UTOPIA/POS device 1 rate select */
314 	__be32	updrs1_l;	/* UTOPIA/POS device 1 rate select */
315 	__be32	updrs2_h;	/* UTOPIA/POS device 2 rate select */
316 	__be32	updrs2_l;	/* UTOPIA/POS device 2 rate select */
317 	__be32	updrs3_h;	/* UTOPIA/POS device 3 rate select */
318 	__be32	updrs3_l;	/* UTOPIA/POS device 3 rate select */
319 	__be32	updrs4_h;	/* UTOPIA/POS device 4 rate select */
320 	__be32	updrs4_l;	/* UTOPIA/POS device 4 rate select */
321 	__be32	updrp1;		/* UTOPIA/POS device 1 receive priority low */
322 	__be32	updrp2;		/* UTOPIA/POS device 2 receive priority low */
323 	__be32	updrp3;		/* UTOPIA/POS device 3 receive priority low */
324 	__be32	updrp4;		/* UTOPIA/POS device 4 receive priority low */
325 	__be32	upde1;		/* UTOPIA/POS device 1 event */
326 	__be32	upde2;		/* UTOPIA/POS device 2 event */
327 	__be32	upde3;		/* UTOPIA/POS device 3 event */
328 	__be32	upde4;		/* UTOPIA/POS device 4 event */
329 	__be16	uprp1;
330 	__be16	uprp2;
331 	__be16	uprp3;
332 	__be16	uprp4;
333 	u8	res1[0x8];
334 	__be16	uptirr1_0;	/* Device 1 transmit internal rate 0 */
335 	__be16	uptirr1_1;	/* Device 1 transmit internal rate 1 */
336 	__be16	uptirr1_2;	/* Device 1 transmit internal rate 2 */
337 	__be16	uptirr1_3;	/* Device 1 transmit internal rate 3 */
338 	__be16	uptirr2_0;	/* Device 2 transmit internal rate 0 */
339 	__be16	uptirr2_1;	/* Device 2 transmit internal rate 1 */
340 	__be16	uptirr2_2;	/* Device 2 transmit internal rate 2 */
341 	__be16	uptirr2_3;	/* Device 2 transmit internal rate 3 */
342 	__be16	uptirr3_0;	/* Device 3 transmit internal rate 0 */
343 	__be16	uptirr3_1;	/* Device 3 transmit internal rate 1 */
344 	__be16	uptirr3_2;	/* Device 3 transmit internal rate 2 */
345 	__be16	uptirr3_3;	/* Device 3 transmit internal rate 3 */
346 	__be16	uptirr4_0;	/* Device 4 transmit internal rate 0 */
347 	__be16	uptirr4_1;	/* Device 4 transmit internal rate 1 */
348 	__be16	uptirr4_2;	/* Device 4 transmit internal rate 2 */
349 	__be16	uptirr4_3;	/* Device 4 transmit internal rate 3 */
350 	__be32	uper1;		/* Device 1 port enable register */
351 	__be32	uper2;		/* Device 2 port enable register */
352 	__be32	uper3;		/* Device 3 port enable register */
353 	__be32	uper4;		/* Device 4 port enable register */
354 	u8	res2[0x150];
355 } __attribute__ ((packed));
356 
357 /* SDMA */
358 struct sdma {
359 	__be32	sdsr;		/* Serial DMA status register */
360 	__be32	sdmr;		/* Serial DMA mode register */
361 	__be32	sdtr1;		/* SDMA system bus threshold register */
362 	__be32	sdtr2;		/* SDMA secondary bus threshold register */
363 	__be32	sdhy1;		/* SDMA system bus hysteresis register */
364 	__be32	sdhy2;		/* SDMA secondary bus hysteresis register */
365 	__be32	sdta1;		/* SDMA system bus address register */
366 	__be32	sdta2;		/* SDMA secondary bus address register */
367 	__be32	sdtm1;		/* SDMA system bus MSNUM register */
368 	__be32	sdtm2;		/* SDMA secondary bus MSNUM register */
369 	u8	res0[0x10];
370 	__be32	sdaqr;		/* SDMA address bus qualify register */
371 	__be32	sdaqmr;		/* SDMA address bus qualify mask register */
372 	u8	res1[0x4];
373 	__be32	sdebcr;		/* SDMA CAM entries base register */
374 	u8	res2[0x38];
375 } __attribute__ ((packed));
376 
377 /* Debug Space */
378 struct dbg {
379 	__be32	bpdcr;		/* Breakpoint debug command register */
380 	__be32	bpdsr;		/* Breakpoint debug status register */
381 	__be32	bpdmr;		/* Breakpoint debug mask register */
382 	__be32	bprmrr0;	/* Breakpoint request mode risc register 0 */
383 	__be32	bprmrr1;	/* Breakpoint request mode risc register 1 */
384 	u8	res0[0x8];
385 	__be32	bprmtr0;	/* Breakpoint request mode trb register 0 */
386 	__be32	bprmtr1;	/* Breakpoint request mode trb register 1 */
387 	u8	res1[0x8];
388 	__be32	bprmir;		/* Breakpoint request mode immediate register */
389 	__be32	bprmsr;		/* Breakpoint request mode serial register */
390 	__be32	bpemr;		/* Breakpoint exit mode register */
391 	u8	res2[0x48];
392 } __attribute__ ((packed));
393 
394 /*
395  * RISC Special Registers (Trap and Breakpoint).  These are described in
396  * the QE Developer's Handbook.
397  */
398 struct rsp {
399 	__be32 tibcr[16];	/* Trap/instruction breakpoint control regs */
400 	u8 res0[64];
401 	__be32 ibcr0;
402 	__be32 ibs0;
403 	__be32 ibcnr0;
404 	u8 res1[4];
405 	__be32 ibcr1;
406 	__be32 ibs1;
407 	__be32 ibcnr1;
408 	__be32 npcr;
409 	__be32 dbcr;
410 	__be32 dbar;
411 	__be32 dbamr;
412 	__be32 dbsr;
413 	__be32 dbcnr;
414 	u8 res2[12];
415 	__be32 dbdr_h;
416 	__be32 dbdr_l;
417 	__be32 dbdmr_h;
418 	__be32 dbdmr_l;
419 	__be32 bsr;
420 	__be32 bor;
421 	__be32 bior;
422 	u8 res3[4];
423 	__be32 iatr[4];
424 	__be32 eccr;		/* Exception control configuration register */
425 	__be32 eicr;
426 	u8 res4[0x100-0xf8];
427 } __attribute__ ((packed));
428 
429 struct qe_immap {
430 	struct qe_iram		iram;		/* I-RAM */
431 	struct qe_ic_regs	ic;		/* Interrupt Controller */
432 	struct cp_qe		cp;		/* Communications Processor */
433 	struct qe_mux		qmx;		/* QE Multiplexer */
434 	struct qe_timers	qet;		/* QE Timers */
435 	struct spi		spi[0x2];	/* spi */
436 	struct qe_mcc		mcc;		/* mcc */
437 	struct qe_brg		brg;		/* brg */
438 	struct qe_usb_ctlr	usb;		/* USB */
439 	struct si1		si1;		/* SI */
440 	u8			res11[0x800];
441 	struct sir		sir;		/* SI Routing Tables */
442 	struct ucc		ucc1;		/* ucc1 */
443 	struct ucc		ucc3;		/* ucc3 */
444 	struct ucc		ucc5;		/* ucc5 */
445 	struct ucc		ucc7;		/* ucc7 */
446 	u8			res12[0x600];
447 	struct upc		upc1;		/* MultiPHY UTOPIA POS Ctrlr 1*/
448 	struct ucc		ucc2;		/* ucc2 */
449 	struct ucc		ucc4;		/* ucc4 */
450 	struct ucc		ucc6;		/* ucc6 */
451 	struct ucc		ucc8;		/* ucc8 */
452 	u8			res13[0x600];
453 	struct upc		upc2;		/* MultiPHY UTOPIA POS Ctrlr 2*/
454 	struct sdma		sdma;		/* SDMA */
455 	struct dbg		dbg;		/* 0x104080 - 0x1040FF
456 						   Debug Space */
457 	struct rsp		rsp[0x2];	/* 0x104100 - 0x1042FF
458 						   RISC Special Registers
459 						   (Trap and Breakpoint) */
460 	u8			res14[0x300];	/* 0x104300 - 0x1045FF */
461 	u8			res15[0x3A00];	/* 0x104600 - 0x107FFF */
462 	u8			res16[0x8000];	/* 0x108000 - 0x110000 */
463 	u8			muram[0xC000];	/* 0x110000 - 0x11C000
464 						   Multi-user RAM */
465 	u8			res17[0x24000];	/* 0x11C000 - 0x140000 */
466 	u8			res18[0xC0000];	/* 0x140000 - 0x200000 */
467 } __attribute__ ((packed));
468 
469 extern struct qe_immap __iomem *qe_immr;
470 extern phys_addr_t get_qe_base(void);
471 
472 /*
473  * Returns the offset within the QE address space of the given pointer.
474  *
475  * Note that the QE does not support 36-bit physical addresses, so if
476  * get_qe_base() returns a number above 4GB, the caller will probably fail.
477  */
478 static inline phys_addr_t immrbar_virt_to_phys(void *address)
479 {
480 	void *q = (void *)qe_immr;
481 
482 	/* Is it a MURAM address? */
483 	if ((address >= q) && (address < (q + QE_IMMAP_SIZE)))
484 		return get_qe_base() + (address - q);
485 
486 	/* It's an address returned by kmalloc */
487 	return virt_to_phys(address);
488 }
489 
490 #endif /* __KERNEL__ */
491 #endif /* _ASM_POWERPC_IMMAP_QE_H */
492