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 Semicondutor, 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[0x78];
30 } __attribute__ ((packed));
31 
32 /* QE Interrupt Controller */
33 struct qe_ic_regs {
34 	__be32	qicr;
35 	__be32	qivec;
36 	__be32	qripnr;
37 	__be32	qipnr;
38 	__be32	qipxcc;
39 	__be32	qipycc;
40 	__be32	qipwcc;
41 	__be32	qipzcc;
42 	__be32	qimr;
43 	__be32	qrimr;
44 	__be32	qicnr;
45 	u8	res0[0x4];
46 	__be32	qiprta;
47 	__be32	qiprtb;
48 	u8	res1[0x4];
49 	__be32	qricr;
50 	u8	res2[0x20];
51 	__be32	qhivec;
52 	u8	res3[0x1C];
53 } __attribute__ ((packed));
54 
55 /* Communications Processor */
56 struct cp_qe {
57 	__be32	cecr;		/* QE command register */
58 	__be32	ceccr;		/* QE controller configuration register */
59 	__be32	cecdr;		/* QE command data register */
60 	u8	res0[0xA];
61 	__be16	ceter;		/* QE timer event register */
62 	u8	res1[0x2];
63 	__be16	cetmr;		/* QE timers mask register */
64 	__be32	cetscr;		/* QE time-stamp timer control register */
65 	__be32	cetsr1;		/* QE time-stamp register 1 */
66 	__be32	cetsr2;		/* QE time-stamp register 2 */
67 	u8	res2[0x8];
68 	__be32	cevter;		/* QE virtual tasks event register */
69 	__be32	cevtmr;		/* QE virtual tasks mask register */
70 	__be16	cercr;		/* QE RAM control register */
71 	u8	res3[0x2];
72 	u8	res4[0x24];
73 	__be16	ceexe1;		/* QE external request 1 event register */
74 	u8	res5[0x2];
75 	__be16	ceexm1;		/* QE external request 1 mask register */
76 	u8	res6[0x2];
77 	__be16	ceexe2;		/* QE external request 2 event register */
78 	u8	res7[0x2];
79 	__be16	ceexm2;		/* QE external request 2 mask register */
80 	u8	res8[0x2];
81 	__be16	ceexe3;		/* QE external request 3 event register */
82 	u8	res9[0x2];
83 	__be16	ceexm3;		/* QE external request 3 mask register */
84 	u8	res10[0x2];
85 	__be16	ceexe4;		/* QE external request 4 event register */
86 	u8	res11[0x2];
87 	__be16	ceexm4;		/* QE external request 4 mask register */
88 	u8	res12[0x3A];
89 	__be32	ceurnr;		/* QE microcode revision number register */
90 	u8	res13[0x244];
91 } __attribute__ ((packed));
92 
93 /* QE Multiplexer */
94 struct qe_mux {
95 	__be32	cmxgcr;		/* CMX general clock route register */
96 	__be32	cmxsi1cr_l;	/* CMX SI1 clock route low register */
97 	__be32	cmxsi1cr_h;	/* CMX SI1 clock route high register */
98 	__be32	cmxsi1syr;	/* CMX SI1 SYNC route register */
99 	__be32	cmxucr[4];	/* CMX UCCx clock route registers */
100 	__be32	cmxupcr;	/* CMX UPC clock route register */
101 	u8	res0[0x1C];
102 } __attribute__ ((packed));
103 
104 /* QE Timers */
105 struct qe_timers {
106 	u8	gtcfr1;		/* Timer 1 and Timer 2 global config register*/
107 	u8	res0[0x3];
108 	u8	gtcfr2;		/* Timer 3 and timer 4 global config register*/
109 	u8	res1[0xB];
110 	__be16	gtmdr1;		/* Timer 1 mode register */
111 	__be16	gtmdr2;		/* Timer 2 mode register */
112 	__be16	gtrfr1;		/* Timer 1 reference register */
113 	__be16	gtrfr2;		/* Timer 2 reference register */
114 	__be16	gtcpr1;		/* Timer 1 capture register */
115 	__be16	gtcpr2;		/* Timer 2 capture register */
116 	__be16	gtcnr1;		/* Timer 1 counter */
117 	__be16	gtcnr2;		/* Timer 2 counter */
118 	__be16	gtmdr3;		/* Timer 3 mode register */
119 	__be16	gtmdr4;		/* Timer 4 mode register */
120 	__be16	gtrfr3;		/* Timer 3 reference register */
121 	__be16	gtrfr4;		/* Timer 4 reference register */
122 	__be16	gtcpr3;		/* Timer 3 capture register */
123 	__be16	gtcpr4;		/* Timer 4 capture register */
124 	__be16	gtcnr3;		/* Timer 3 counter */
125 	__be16	gtcnr4;		/* Timer 4 counter */
126 	__be16	gtevr1;		/* Timer 1 event register */
127 	__be16	gtevr2;		/* Timer 2 event register */
128 	__be16	gtevr3;		/* Timer 3 event register */
129 	__be16	gtevr4;		/* Timer 4 event register */
130 	__be16	gtps;		/* Timer 1 prescale register */
131 	u8 res2[0x46];
132 } __attribute__ ((packed));
133 
134 /* BRG */
135 struct qe_brg {
136 	__be32	brgc[16];	/* BRG configuration registers */
137 	u8	res0[0x40];
138 } __attribute__ ((packed));
139 
140 /* SPI */
141 struct spi {
142 	u8	res0[0x20];
143 	__be32	spmode;		/* SPI mode register */
144 	u8	res1[0x2];
145 	u8	spie;		/* SPI event register */
146 	u8	res2[0x1];
147 	u8	res3[0x2];
148 	u8	spim;		/* SPI mask register */
149 	u8	res4[0x1];
150 	u8	res5[0x1];
151 	u8	spcom;		/* SPI command register */
152 	u8	res6[0x2];
153 	__be32	spitd;		/* SPI transmit data register (cpu mode) */
154 	__be32	spird;		/* SPI receive data register (cpu mode) */
155 	u8	res7[0x8];
156 } __attribute__ ((packed));
157 
158 /* SI */
159 struct si1 {
160 	__be16	siamr1;		/* SI1 TDMA mode register */
161 	__be16	sibmr1;		/* SI1 TDMB mode register */
162 	__be16	sicmr1;		/* SI1 TDMC mode register */
163 	__be16	sidmr1;		/* SI1 TDMD mode register */
164 	u8	siglmr1_h;	/* SI1 global mode register high */
165 	u8	res0[0x1];
166 	u8	sicmdr1_h;	/* SI1 command register high */
167 	u8	res2[0x1];
168 	u8	sistr1_h;	/* SI1 status register high */
169 	u8	res3[0x1];
170 	__be16	sirsr1_h;	/* SI1 RAM shadow address register high */
171 	u8	sitarc1;	/* SI1 RAM counter Tx TDMA */
172 	u8	sitbrc1;	/* SI1 RAM counter Tx TDMB */
173 	u8	sitcrc1;	/* SI1 RAM counter Tx TDMC */
174 	u8	sitdrc1;	/* SI1 RAM counter Tx TDMD */
175 	u8	sirarc1;	/* SI1 RAM counter Rx TDMA */
176 	u8	sirbrc1;	/* SI1 RAM counter Rx TDMB */
177 	u8	sircrc1;	/* SI1 RAM counter Rx TDMC */
178 	u8	sirdrc1;	/* SI1 RAM counter Rx TDMD */
179 	u8	res4[0x8];
180 	__be16	siemr1;		/* SI1 TDME mode register 16 bits */
181 	__be16	sifmr1;		/* SI1 TDMF mode register 16 bits */
182 	__be16	sigmr1;		/* SI1 TDMG mode register 16 bits */
183 	__be16	sihmr1;		/* SI1 TDMH mode register 16 bits */
184 	u8	siglmg1_l;	/* SI1 global mode register low 8 bits */
185 	u8	res5[0x1];
186 	u8	sicmdr1_l;	/* SI1 command register low 8 bits */
187 	u8	res6[0x1];
188 	u8	sistr1_l;	/* SI1 status register low 8 bits */
189 	u8	res7[0x1];
190 	__be16	sirsr1_l;	/* SI1 RAM shadow address register low 16 bits*/
191 	u8	siterc1;	/* SI1 RAM counter Tx TDME 8 bits */
192 	u8	sitfrc1;	/* SI1 RAM counter Tx TDMF 8 bits */
193 	u8	sitgrc1;	/* SI1 RAM counter Tx TDMG 8 bits */
194 	u8	sithrc1;	/* SI1 RAM counter Tx TDMH 8 bits */
195 	u8	sirerc1;	/* SI1 RAM counter Rx TDME 8 bits */
196 	u8	sirfrc1;	/* SI1 RAM counter Rx TDMF 8 bits */
197 	u8	sirgrc1;	/* SI1 RAM counter Rx TDMG 8 bits */
198 	u8	sirhrc1;	/* SI1 RAM counter Rx TDMH 8 bits */
199 	u8	res8[0x8];
200 	__be32	siml1;		/* SI1 multiframe limit register */
201 	u8	siedm1;		/* SI1 extended diagnostic mode register */
202 	u8	res9[0xBB];
203 } __attribute__ ((packed));
204 
205 /* SI Routing Tables */
206 struct sir {
207 	u8 	tx[0x400];
208 	u8	rx[0x400];
209 	u8	res0[0x800];
210 } __attribute__ ((packed));
211 
212 /* USB Controller */
213 struct qe_usb_ctlr {
214 	u8	usb_usmod;
215 	u8	usb_usadr;
216 	u8	usb_uscom;
217 	u8	res1[1];
218 	__be16  usb_usep[4];
219 	u8	res2[4];
220 	__be16	usb_usber;
221 	u8	res3[2];
222 	__be16	usb_usbmr;
223 	u8	res4[1];
224 	u8	usb_usbs;
225 	__be16	usb_ussft;
226 	u8	res5[2];
227 	__be16	usb_usfrn;
228 	u8	res6[0x22];
229 } __attribute__ ((packed));
230 
231 /* MCC */
232 struct qe_mcc {
233 	__be32	mcce;		/* MCC event register */
234 	__be32	mccm;		/* MCC mask register */
235 	__be32	mccf;		/* MCC configuration register */
236 	__be32	merl;		/* MCC emergency request level register */
237 	u8	res0[0xF0];
238 } __attribute__ ((packed));
239 
240 /* QE UCC Slow */
241 struct ucc_slow {
242 	__be32	gumr_l;		/* UCCx general mode register (low) */
243 	__be32	gumr_h;		/* UCCx general mode register (high) */
244 	__be16	upsmr;		/* UCCx protocol-specific mode register */
245 	u8	res0[0x2];
246 	__be16	utodr;		/* UCCx transmit on demand register */
247 	__be16	udsr;		/* UCCx data synchronization register */
248 	__be16	ucce;		/* UCCx event register */
249 	u8	res1[0x2];
250 	__be16	uccm;		/* UCCx mask register */
251 	u8	res2[0x1];
252 	u8	uccs;		/* UCCx status register */
253 	u8	res3[0x24];
254 	__be16	utpt;
255 	u8	res4[0x52];
256 	u8	guemr;		/* UCC general extended mode register */
257 } __attribute__ ((packed));
258 
259 /* QE UCC Fast */
260 struct ucc_fast {
261 	__be32	gumr;		/* UCCx general mode register */
262 	__be32	upsmr;		/* UCCx protocol-specific mode register */
263 	__be16	utodr;		/* UCCx transmit on demand register */
264 	u8	res0[0x2];
265 	__be16	udsr;		/* UCCx data synchronization register */
266 	u8	res1[0x2];
267 	__be32	ucce;		/* UCCx event register */
268 	__be32	uccm;		/* UCCx mask register */
269 	u8	uccs;		/* UCCx status register */
270 	u8	res2[0x7];
271 	__be32	urfb;		/* UCC receive FIFO base */
272 	__be16	urfs;		/* UCC receive FIFO size */
273 	u8	res3[0x2];
274 	__be16	urfet;		/* UCC receive FIFO emergency threshold */
275 	__be16	urfset;		/* UCC receive FIFO special emergency
276 				   threshold */
277 	__be32	utfb;		/* UCC transmit FIFO base */
278 	__be16	utfs;		/* UCC transmit FIFO size */
279 	u8	res4[0x2];
280 	__be16	utfet;		/* UCC transmit FIFO emergency threshold */
281 	u8	res5[0x2];
282 	__be16	utftt;		/* UCC transmit FIFO transmit threshold */
283 	u8	res6[0x2];
284 	__be16	utpt;		/* UCC transmit polling timer */
285 	u8	res7[0x2];
286 	__be32	urtry;		/* UCC retry counter register */
287 	u8	res8[0x4C];
288 	u8	guemr;		/* UCC general extended mode register */
289 } __attribute__ ((packed));
290 
291 struct ucc {
292 	union {
293 		struct	ucc_slow slow;
294 		struct	ucc_fast fast;
295 		u8	res[0x200];	/* UCC blocks are 512 bytes each */
296 	};
297 } __attribute__ ((packed));
298 
299 /* MultiPHY UTOPIA POS Controllers (UPC) */
300 struct upc {
301 	__be32	upgcr;		/* UTOPIA/POS general configuration register */
302 	__be32	uplpa;		/* UTOPIA/POS last PHY address */
303 	__be32	uphec;		/* ATM HEC register */
304 	__be32	upuc;		/* UTOPIA/POS UCC configuration */
305 	__be32	updc1;		/* UTOPIA/POS device 1 configuration */
306 	__be32	updc2;		/* UTOPIA/POS device 2 configuration */
307 	__be32	updc3;		/* UTOPIA/POS device 3 configuration */
308 	__be32	updc4;		/* UTOPIA/POS device 4 configuration */
309 	__be32	upstpa;		/* UTOPIA/POS STPA threshold */
310 	u8	res0[0xC];
311 	__be32	updrs1_h;	/* UTOPIA/POS device 1 rate select */
312 	__be32	updrs1_l;	/* UTOPIA/POS device 1 rate select */
313 	__be32	updrs2_h;	/* UTOPIA/POS device 2 rate select */
314 	__be32	updrs2_l;	/* UTOPIA/POS device 2 rate select */
315 	__be32	updrs3_h;	/* UTOPIA/POS device 3 rate select */
316 	__be32	updrs3_l;	/* UTOPIA/POS device 3 rate select */
317 	__be32	updrs4_h;	/* UTOPIA/POS device 4 rate select */
318 	__be32	updrs4_l;	/* UTOPIA/POS device 4 rate select */
319 	__be32	updrp1;		/* UTOPIA/POS device 1 receive priority low */
320 	__be32	updrp2;		/* UTOPIA/POS device 2 receive priority low */
321 	__be32	updrp3;		/* UTOPIA/POS device 3 receive priority low */
322 	__be32	updrp4;		/* UTOPIA/POS device 4 receive priority low */
323 	__be32	upde1;		/* UTOPIA/POS device 1 event */
324 	__be32	upde2;		/* UTOPIA/POS device 2 event */
325 	__be32	upde3;		/* UTOPIA/POS device 3 event */
326 	__be32	upde4;		/* UTOPIA/POS device 4 event */
327 	__be16	uprp1;
328 	__be16	uprp2;
329 	__be16	uprp3;
330 	__be16	uprp4;
331 	u8	res1[0x8];
332 	__be16	uptirr1_0;	/* Device 1 transmit internal rate 0 */
333 	__be16	uptirr1_1;	/* Device 1 transmit internal rate 1 */
334 	__be16	uptirr1_2;	/* Device 1 transmit internal rate 2 */
335 	__be16	uptirr1_3;	/* Device 1 transmit internal rate 3 */
336 	__be16	uptirr2_0;	/* Device 2 transmit internal rate 0 */
337 	__be16	uptirr2_1;	/* Device 2 transmit internal rate 1 */
338 	__be16	uptirr2_2;	/* Device 2 transmit internal rate 2 */
339 	__be16	uptirr2_3;	/* Device 2 transmit internal rate 3 */
340 	__be16	uptirr3_0;	/* Device 3 transmit internal rate 0 */
341 	__be16	uptirr3_1;	/* Device 3 transmit internal rate 1 */
342 	__be16	uptirr3_2;	/* Device 3 transmit internal rate 2 */
343 	__be16	uptirr3_3;	/* Device 3 transmit internal rate 3 */
344 	__be16	uptirr4_0;	/* Device 4 transmit internal rate 0 */
345 	__be16	uptirr4_1;	/* Device 4 transmit internal rate 1 */
346 	__be16	uptirr4_2;	/* Device 4 transmit internal rate 2 */
347 	__be16	uptirr4_3;	/* Device 4 transmit internal rate 3 */
348 	__be32	uper1;		/* Device 1 port enable register */
349 	__be32	uper2;		/* Device 2 port enable register */
350 	__be32	uper3;		/* Device 3 port enable register */
351 	__be32	uper4;		/* Device 4 port enable register */
352 	u8	res2[0x150];
353 } __attribute__ ((packed));
354 
355 /* SDMA */
356 struct sdma {
357 	__be32	sdsr;		/* Serial DMA status register */
358 	__be32	sdmr;		/* Serial DMA mode register */
359 	__be32	sdtr1;		/* SDMA system bus threshold register */
360 	__be32	sdtr2;		/* SDMA secondary bus threshold register */
361 	__be32	sdhy1;		/* SDMA system bus hysteresis register */
362 	__be32	sdhy2;		/* SDMA secondary bus hysteresis register */
363 	__be32	sdta1;		/* SDMA system bus address register */
364 	__be32	sdta2;		/* SDMA secondary bus address register */
365 	__be32	sdtm1;		/* SDMA system bus MSNUM register */
366 	__be32	sdtm2;		/* SDMA secondary bus MSNUM register */
367 	u8	res0[0x10];
368 	__be32	sdaqr;		/* SDMA address bus qualify register */
369 	__be32	sdaqmr;		/* SDMA address bus qualify mask register */
370 	u8	res1[0x4];
371 	__be32	sdebcr;		/* SDMA CAM entries base register */
372 	u8	res2[0x38];
373 } __attribute__ ((packed));
374 
375 /* Debug Space */
376 struct dbg {
377 	__be32	bpdcr;		/* Breakpoint debug command register */
378 	__be32	bpdsr;		/* Breakpoint debug status register */
379 	__be32	bpdmr;		/* Breakpoint debug mask register */
380 	__be32	bprmrr0;	/* Breakpoint request mode risc register 0 */
381 	__be32	bprmrr1;	/* Breakpoint request mode risc register 1 */
382 	u8	res0[0x8];
383 	__be32	bprmtr0;	/* Breakpoint request mode trb register 0 */
384 	__be32	bprmtr1;	/* Breakpoint request mode trb register 1 */
385 	u8	res1[0x8];
386 	__be32	bprmir;		/* Breakpoint request mode immediate register */
387 	__be32	bprmsr;		/* Breakpoint request mode serial register */
388 	__be32	bpemr;		/* Breakpoint exit mode register */
389 	u8	res2[0x48];
390 } __attribute__ ((packed));
391 
392 /*
393  * RISC Special Registers (Trap and Breakpoint).  These are described in
394  * the QE Developer's Handbook.
395  */
396 struct rsp {
397 	__be32 tibcr[16];	/* Trap/instruction breakpoint control regs */
398 	u8 res0[64];
399 	__be32 ibcr0;
400 	__be32 ibs0;
401 	__be32 ibcnr0;
402 	u8 res1[4];
403 	__be32 ibcr1;
404 	__be32 ibs1;
405 	__be32 ibcnr1;
406 	__be32 npcr;
407 	__be32 dbcr;
408 	__be32 dbar;
409 	__be32 dbamr;
410 	__be32 dbsr;
411 	__be32 dbcnr;
412 	u8 res2[12];
413 	__be32 dbdr_h;
414 	__be32 dbdr_l;
415 	__be32 dbdmr_h;
416 	__be32 dbdmr_l;
417 	__be32 bsr;
418 	__be32 bor;
419 	__be32 bior;
420 	u8 res3[4];
421 	__be32 iatr[4];
422 	__be32 eccr;		/* Exception control configuration register */
423 	__be32 eicr;
424 	u8 res4[0x100-0xf8];
425 } __attribute__ ((packed));
426 
427 struct qe_immap {
428 	struct qe_iram		iram;		/* I-RAM */
429 	struct qe_ic_regs	ic;		/* Interrupt Controller */
430 	struct cp_qe		cp;		/* Communications Processor */
431 	struct qe_mux		qmx;		/* QE Multiplexer */
432 	struct qe_timers	qet;		/* QE Timers */
433 	struct spi		spi[0x2];	/* spi */
434 	struct qe_mcc		mcc;		/* mcc */
435 	struct qe_brg		brg;		/* brg */
436 	struct qe_usb_ctlr	usb;		/* USB */
437 	struct si1		si1;		/* SI */
438 	u8			res11[0x800];
439 	struct sir		sir;		/* SI Routing Tables */
440 	struct ucc		ucc1;		/* ucc1 */
441 	struct ucc		ucc3;		/* ucc3 */
442 	struct ucc		ucc5;		/* ucc5 */
443 	struct ucc		ucc7;		/* ucc7 */
444 	u8			res12[0x600];
445 	struct upc		upc1;		/* MultiPHY UTOPIA POS Ctrlr 1*/
446 	struct ucc		ucc2;		/* ucc2 */
447 	struct ucc		ucc4;		/* ucc4 */
448 	struct ucc		ucc6;		/* ucc6 */
449 	struct ucc		ucc8;		/* ucc8 */
450 	u8			res13[0x600];
451 	struct upc		upc2;		/* MultiPHY UTOPIA POS Ctrlr 2*/
452 	struct sdma		sdma;		/* SDMA */
453 	struct dbg		dbg;		/* 0x104080 - 0x1040FF
454 						   Debug Space */
455 	struct rsp		rsp[0x2];	/* 0x104100 - 0x1042FF
456 						   RISC Special Registers
457 						   (Trap and Breakpoint) */
458 	u8			res14[0x300];	/* 0x104300 - 0x1045FF */
459 	u8			res15[0x3A00];	/* 0x104600 - 0x107FFF */
460 	u8			res16[0x8000];	/* 0x108000 - 0x110000 */
461 	u8			muram[0xC000];	/* 0x110000 - 0x11C000
462 						   Multi-user RAM */
463 	u8			res17[0x24000];	/* 0x11C000 - 0x140000 */
464 	u8			res18[0xC0000];	/* 0x140000 - 0x200000 */
465 } __attribute__ ((packed));
466 
467 extern struct qe_immap __iomem *qe_immr;
468 extern phys_addr_t get_qe_base(void);
469 
470 /*
471  * Returns the offset within the QE address space of the given pointer.
472  *
473  * Note that the QE does not support 36-bit physical addresses, so if
474  * get_qe_base() returns a number above 4GB, the caller will probably fail.
475  */
immrbar_virt_to_phys(void * address)476 static inline phys_addr_t immrbar_virt_to_phys(void *address)
477 {
478 	void *q = (void *)qe_immr;
479 
480 	/* Is it a MURAM address? */
481 	if ((address >= q) && (address < (q + QE_IMMAP_SIZE)))
482 		return get_qe_base() + (address - q);
483 
484 	/* It's an address returned by kmalloc */
485 	return virt_to_phys(address);
486 }
487 
488 #endif /* __KERNEL__ */
489 #endif /* _ASM_POWERPC_IMMAP_QE_H */
490