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1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2013 Boundary Devices Inc.
4  */
5 #ifndef __ASM_ARCH_MX6_DDR_H__
6 #define __ASM_ARCH_MX6_DDR_H__
7 
8 #ifndef CONFIG_SPL_BUILD
9 #ifdef CONFIG_MX6Q
10 #include "mx6q-ddr.h"
11 #else
12 #if defined(CONFIG_MX6DL) || defined(CONFIG_MX6S)
13 #include "mx6dl-ddr.h"
14 #else
15 #ifdef CONFIG_MX6SX
16 #include "mx6sx-ddr.h"
17 #else
18 #if defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL)
19 #include "mx6ul-ddr.h"
20 #else
21 #ifdef CONFIG_MX6SL
22 #include "mx6sl-ddr.h"
23 #else
24 #error "Please select cpu"
25 #endif	/* CONFIG_MX6SL */
26 #endif	/* CONFIG_MX6UL */
27 #endif	/* CONFIG_MX6SX */
28 #endif	/* CONFIG_MX6DL or CONFIG_MX6S */
29 #endif	/* CONFIG_MX6Q */
30 #else
31 
32 enum {
33 	DDR_TYPE_DDR3,
34 	DDR_TYPE_LPDDR2,
35 };
36 
37 /* MMDC P0/P1 Registers */
38 struct mmdc_p_regs {
39 	u32 mdctl;
40 	u32 mdpdc;
41 	u32 mdotc;
42 	u32 mdcfg0;
43 	u32 mdcfg1;
44 	u32 mdcfg2;
45 	u32 mdmisc;
46 	u32 mdscr;
47 	u32 mdref;
48 	u32 res1[2];
49 	u32 mdrwd;
50 	u32 mdor;
51 	u32 mdmrr;
52 	u32 mdcfg3lp;
53 	u32 mdmr4;
54 	u32 mdasp;
55 	u32 res2[239];
56 	u32 maarcr;
57 	u32 mapsr;
58 	u32 maexidr0;
59 	u32 maexidr1;
60 	u32 madpcr0;
61 	u32 madpcr1;
62 	u32 madpsr0;
63 	u32 madpsr1;
64 	u32 madpsr2;
65 	u32 madpsr3;
66 	u32 madpsr4;
67 	u32 madpsr5;
68 	u32 masbs0;
69 	u32 masbs1;
70 	u32 res3[2];
71 	u32 magenp;
72 	u32 res4[239];
73 	u32 mpzqhwctrl;
74 	u32 mpzqswctrl;
75 	u32 mpwlgcr;
76 	u32 mpwldectrl0;
77 	u32 mpwldectrl1;
78 	u32 mpwldlst;
79 	u32 mpodtctrl;
80 	u32 mprddqby0dl;
81 	u32 mprddqby1dl;
82 	u32 mprddqby2dl;
83 	u32 mprddqby3dl;
84 	u32 mpwrdqby0dl;
85 	u32 mpwrdqby1dl;
86 	u32 mpwrdqby2dl;
87 	u32 mpwrdqby3dl;
88 	u32 mpdgctrl0;
89 	u32 mpdgctrl1;
90 	u32 mpdgdlst0;
91 	u32 mprddlctl;
92 	u32 mprddlst;
93 	u32 mpwrdlctl;
94 	u32 mpwrdlst;
95 	u32 mpsdctrl;
96 	u32 mpzqlp2ctl;
97 	u32 mprddlhwctl;
98 	u32 mpwrdlhwctl;
99 	u32 mprddlhwst0;
100 	u32 mprddlhwst1;
101 	u32 mpwrdlhwst0;
102 	u32 mpwrdlhwst1;
103 	u32 mpwlhwerr;
104 	u32 mpdghwst0;
105 	u32 mpdghwst1;
106 	u32 mpdghwst2;
107 	u32 mpdghwst3;
108 	u32 mppdcmpr1;
109 	u32 mppdcmpr2;
110 	u32 mpswdar0;
111 	u32 mpswdrdr0;
112 	u32 mpswdrdr1;
113 	u32 mpswdrdr2;
114 	u32 mpswdrdr3;
115 	u32 mpswdrdr4;
116 	u32 mpswdrdr5;
117 	u32 mpswdrdr6;
118 	u32 mpswdrdr7;
119 	u32 mpmur0;
120 	u32 mpwrcadl;
121 	u32 mpdccr;
122 };
123 
124 #define MX6SL_IOM_DDR_BASE     0x020e0300
125 struct mx6sl_iomux_ddr_regs {
126 	u32 dram_cas;
127 	u32 dram_cs0_b;
128 	u32 dram_cs1_b;
129 	u32 dram_dqm0;
130 	u32 dram_dqm1;
131 	u32 dram_dqm2;
132 	u32 dram_dqm3;
133 	u32 dram_ras;
134 	u32 dram_reset;
135 	u32 dram_sdba0;
136 	u32 dram_sdba1;
137 	u32 dram_sdba2;
138 	u32 dram_sdcke0;
139 	u32 dram_sdcke1;
140 	u32 dram_sdclk_0;
141 	u32 dram_odt0;
142 	u32 dram_odt1;
143 	u32 dram_sdqs0;
144 	u32 dram_sdqs1;
145 	u32 dram_sdqs2;
146 	u32 dram_sdqs3;
147 	u32 dram_sdwe_b;
148 };
149 
150 #define MX6SL_IOM_GRP_BASE     0x020e0500
151 struct mx6sl_iomux_grp_regs {
152 	u32 res1[43];
153 	u32 grp_addds;
154 	u32 grp_ddrmode_ctl;
155 	u32 grp_ddrpke;
156 	u32 grp_ddrpk;
157 	u32 grp_ddrhys;
158 	u32 grp_ddrmode;
159 	u32 grp_b0ds;
160 	u32 grp_ctlds;
161 	u32 grp_b1ds;
162 	u32 grp_ddr_type;
163 	u32 grp_b2ds;
164 	u32 grp_b3ds;
165 };
166 
167 #define MX6UL_IOM_DDR_BASE	0x020e0200
168 struct mx6ul_iomux_ddr_regs {
169 	u32 res1[17];
170 	u32 dram_dqm0;
171 	u32 dram_dqm1;
172 	u32 dram_ras;
173 	u32 dram_cas;
174 	u32 dram_cs0;
175 	u32 dram_cs1;
176 	u32 dram_sdwe_b;
177 	u32 dram_odt0;
178 	u32 dram_odt1;
179 	u32 dram_sdba0;
180 	u32 dram_sdba1;
181 	u32 dram_sdba2;
182 	u32 dram_sdcke0;
183 	u32 dram_sdcke1;
184 	u32 dram_sdclk_0;
185 	u32 dram_sdqs0;
186 	u32 dram_sdqs1;
187 	u32 dram_reset;
188 };
189 
190 #define MX6UL_IOM_GRP_BASE	0x020e0400
191 struct mx6ul_iomux_grp_regs {
192 	u32 res1[36];
193 	u32 grp_addds;
194 	u32 grp_ddrmode_ctl;
195 	u32 grp_b0ds;
196 	u32 grp_ddrpk;
197 	u32 grp_ctlds;
198 	u32 grp_b1ds;
199 	u32 grp_ddrhys;
200 	u32 grp_ddrpke;
201 	u32 grp_ddrmode;
202 	u32 grp_ddr_type;
203 };
204 
205 #define MX6SX_IOM_DDR_BASE	0x020e0200
206 struct mx6sx_iomux_ddr_regs {
207 	u32 res1[59];
208 	u32 dram_dqm0;
209 	u32 dram_dqm1;
210 	u32 dram_dqm2;
211 	u32 dram_dqm3;
212 	u32 dram_ras;
213 	u32 dram_cas;
214 	u32 res2[2];
215 	u32 dram_sdwe_b;
216 	u32 dram_odt0;
217 	u32 dram_odt1;
218 	u32 dram_sdba0;
219 	u32 dram_sdba1;
220 	u32 dram_sdba2;
221 	u32 dram_sdcke0;
222 	u32 dram_sdcke1;
223 	u32 dram_sdclk_0;
224 	u32 dram_sdqs0;
225 	u32 dram_sdqs1;
226 	u32 dram_sdqs2;
227 	u32 dram_sdqs3;
228 	u32 dram_reset;
229 };
230 
231 #define MX6SX_IOM_GRP_BASE	0x020e0500
232 struct mx6sx_iomux_grp_regs {
233 	u32 res1[61];
234 	u32 grp_addds;
235 	u32 grp_ddrmode_ctl;
236 	u32 grp_ddrpke;
237 	u32 grp_ddrpk;
238 	u32 grp_ddrhys;
239 	u32 grp_ddrmode;
240 	u32 grp_b0ds;
241 	u32 grp_b1ds;
242 	u32 grp_ctlds;
243 	u32 grp_ddr_type;
244 	u32 grp_b2ds;
245 	u32 grp_b3ds;
246 };
247 
248 /*
249  * MMDC iomux registers (pinctl/padctl) - (different for IMX6DQ vs IMX6SDL)
250  */
251 #define MX6DQ_IOM_DDR_BASE      0x020e0500
252 struct mx6dq_iomux_ddr_regs {
253 	u32 res1[3];
254 	u32 dram_sdqs5;
255 	u32 dram_dqm5;
256 	u32 dram_dqm4;
257 	u32 dram_sdqs4;
258 	u32 dram_sdqs3;
259 	u32 dram_dqm3;
260 	u32 dram_sdqs2;
261 	u32 dram_dqm2;
262 	u32 res2[16];
263 	u32 dram_cas;
264 	u32 res3[2];
265 	u32 dram_ras;
266 	u32 dram_reset;
267 	u32 res4[2];
268 	u32 dram_sdclk_0;
269 	u32 dram_sdba2;
270 	u32 dram_sdcke0;
271 	u32 dram_sdclk_1;
272 	u32 dram_sdcke1;
273 	u32 dram_sdodt0;
274 	u32 dram_sdodt1;
275 	u32 res5;
276 	u32 dram_sdqs0;
277 	u32 dram_dqm0;
278 	u32 dram_sdqs1;
279 	u32 dram_dqm1;
280 	u32 dram_sdqs6;
281 	u32 dram_dqm6;
282 	u32 dram_sdqs7;
283 	u32 dram_dqm7;
284 };
285 
286 #define MX6DQ_IOM_GRP_BASE      0x020e0700
287 struct mx6dq_iomux_grp_regs {
288 	u32 res1[18];
289 	u32 grp_b7ds;
290 	u32 grp_addds;
291 	u32 grp_ddrmode_ctl;
292 	u32 res2;
293 	u32 grp_ddrpke;
294 	u32 res3[6];
295 	u32 grp_ddrmode;
296 	u32 res4[3];
297 	u32 grp_b0ds;
298 	u32 grp_b1ds;
299 	u32 grp_ctlds;
300 	u32 res5;
301 	u32 grp_b2ds;
302 	u32 grp_ddr_type;
303 	u32 grp_b3ds;
304 	u32 grp_b4ds;
305 	u32 grp_b5ds;
306 	u32 grp_b6ds;
307 };
308 
309 #define MX6SDL_IOM_DDR_BASE     0x020e0400
310 struct mx6sdl_iomux_ddr_regs {
311 	u32 res1[25];
312 	u32 dram_cas;
313 	u32 res2[2];
314 	u32 dram_dqm0;
315 	u32 dram_dqm1;
316 	u32 dram_dqm2;
317 	u32 dram_dqm3;
318 	u32 dram_dqm4;
319 	u32 dram_dqm5;
320 	u32 dram_dqm6;
321 	u32 dram_dqm7;
322 	u32 dram_ras;
323 	u32 dram_reset;
324 	u32 res3[2];
325 	u32 dram_sdba2;
326 	u32 dram_sdcke0;
327 	u32 dram_sdcke1;
328 	u32 dram_sdclk_0;
329 	u32 dram_sdclk_1;
330 	u32 dram_sdodt0;
331 	u32 dram_sdodt1;
332 	u32 dram_sdqs0;
333 	u32 dram_sdqs1;
334 	u32 dram_sdqs2;
335 	u32 dram_sdqs3;
336 	u32 dram_sdqs4;
337 	u32 dram_sdqs5;
338 	u32 dram_sdqs6;
339 	u32 dram_sdqs7;
340 };
341 
342 #define MX6SDL_IOM_GRP_BASE     0x020e0700
343 struct mx6sdl_iomux_grp_regs {
344 	u32 res1[18];
345 	u32 grp_b7ds;
346 	u32 grp_addds;
347 	u32 grp_ddrmode_ctl;
348 	u32 grp_ddrpke;
349 	u32 res2[2];
350 	u32 grp_ddrmode;
351 	u32 grp_b0ds;
352 	u32 res3;
353 	u32 grp_ctlds;
354 	u32 grp_b1ds;
355 	u32 grp_ddr_type;
356 	u32 grp_b2ds;
357 	u32 grp_b3ds;
358 	u32 grp_b4ds;
359 	u32 grp_b5ds;
360 	u32 res4;
361 	u32 grp_b6ds;
362 };
363 
364 /* Device Information: Varies per DDR3 part number and speed grade */
365 struct mx6_ddr3_cfg {
366 	u16 mem_speed;	/* ie 1600 for DDR3-1600 (800,1066,1333,1600) */
367 	u8 density;	/* chip density (Gb) (1,2,4,8) */
368 	u8 width;	/* bus width (bits) (4,8,16) */
369 	u8 banks;	/* number of banks */
370 	u8 rowaddr;	/* row address bits (11-16)*/
371 	u8 coladdr;	/* col address bits (9-12) */
372 	u8 pagesz;	/* page size (K) (1-2) */
373 	u16 trcd;	/* tRCD=tRP=CL (ns*100) */
374 	u16 trcmin;	/* tRC min (ns*100) */
375 	u16 trasmin;	/* tRAS min (ns*100) */
376 	u8 SRT;		/* self-refresh temperature: 0=normal, 1=extended */
377 };
378 
379 /* Device Information: Varies per LPDDR2 part number and speed grade */
380 struct mx6_lpddr2_cfg {
381 	u16 mem_speed;	/* ie 800 for LPDDR2-800 */
382 	u8 density;	/* chip density (Gb) (1,2,4,8) */
383 	u8 width;	/* bus width (bits) (4,8,16) */
384 	u8 banks;	/* number of banks */
385 	u8 rowaddr;	/* row address bits (11-16)*/
386 	u8 coladdr;	/* col address bits (9-12) */
387 	u16 trcd_lp;
388 	u16 trppb_lp;
389 	u16 trpab_lp;
390 	u16 trcmin;	/* tRC min (ns*100) */
391 	u16 trasmin;	/* tRAS min (ns*100) */
392 };
393 
394 /* System Information: Varies per board design, layout, and term choices */
395 struct mx6_ddr_sysinfo {
396 	u8 dsize;	/* size of bus (in dwords: 0=16bit,1=32bit,2=64bit) */
397 	u8 cs_density;	/* density per chip select (Gb) */
398 	u8 ncs;		/* number chip selects used (1|2) */
399 	char cs1_mirror;/* enable address mirror (0|1) */
400 	char bi_on;	/* Bank interleaving enable */
401 	u8 rtt_nom;	/* Rtt_Nom (DDR3_RTT_*) */
402 	u8 rtt_wr;	/* Rtt_Wr (DDR3_RTT_*) */
403 	u8 ralat;	/* Read Additional Latency (0-7) */
404 	u8 walat;	/* Write Additional Latency (0-3) */
405 	u8 mif3_mode;	/* Command prediction working mode */
406 	u8 rst_to_cke;	/* Time from SDE enable to CKE rise */
407 	u8 sde_to_rst;	/* Time from SDE enable until DDR reset# is high */
408 	u8 pd_fast_exit;/* enable precharge powerdown fast-exit */
409 	u8 ddr_type;	/* DDR type: DDR3(0) or LPDDR2(1) */
410 	u8 refsel;	/* REF_SEL field of register MDREF */
411 	u8 refr;	/* REFR field of register MDREF */
412 };
413 
414 /*
415  * Board specific calibration:
416  *   This includes write leveling calibration values as well as DQS gating
417  *   and read/write delays. These values are board/layout/device specific.
418  *   Freescale recommends using the i.MX6 DDR Stress Test Tool V1.0.2
419  *   (DOC-96412) to determine these values over a range of boards and
420  *   temperatures.
421  */
422 struct mx6_mmdc_calibration {
423 	/* write leveling calibration */
424 	u32 p0_mpwldectrl0;
425 	u32 p0_mpwldectrl1;
426 	u32 p1_mpwldectrl0;
427 	u32 p1_mpwldectrl1;
428 	/* read DQS gating */
429 	u32 p0_mpdgctrl0;
430 	u32 p0_mpdgctrl1;
431 	u32 p1_mpdgctrl0;
432 	u32 p1_mpdgctrl1;
433 	/* read delay */
434 	u32 p0_mprddlctl;
435 	u32 p1_mprddlctl;
436 	/* write delay */
437 	u32 p0_mpwrdlctl;
438 	u32 p1_mpwrdlctl;
439 	/* lpddr2 zq hw calibration */
440 	u32 mpzqlp2ctl;
441 };
442 
443 /* configure iomux (pinctl/padctl) */
444 void mx6dq_dram_iocfg(unsigned width,
445 		      const struct mx6dq_iomux_ddr_regs *,
446 		      const struct mx6dq_iomux_grp_regs *);
447 void mx6sdl_dram_iocfg(unsigned width,
448 		       const struct mx6sdl_iomux_ddr_regs *,
449 		       const struct mx6sdl_iomux_grp_regs *);
450 void mx6sx_dram_iocfg(unsigned width,
451 		      const struct mx6sx_iomux_ddr_regs *,
452 		      const struct mx6sx_iomux_grp_regs *);
453 void mx6ul_dram_iocfg(unsigned width,
454 		      const struct mx6ul_iomux_ddr_regs *,
455 		      const struct mx6ul_iomux_grp_regs *);
456 void mx6sl_dram_iocfg(unsigned width,
457 		      const struct mx6sl_iomux_ddr_regs *,
458 		      const struct mx6sl_iomux_grp_regs *);
459 
460 #if defined(CONFIG_MX6_DDRCAL)
461 int mmdc_do_write_level_calibration(struct mx6_ddr_sysinfo const *sysinfo);
462 int mmdc_do_dqs_calibration(struct mx6_ddr_sysinfo const *sysinfo);
463 void mmdc_read_calibration(struct mx6_ddr_sysinfo const *sysinfo,
464                            struct mx6_mmdc_calibration *calib);
465 #endif
466 
467 /* configure mx6 mmdc registers */
468 void mx6_dram_cfg(const struct mx6_ddr_sysinfo *,
469 		  const struct mx6_mmdc_calibration *,
470 		  const void *);
471 
472 #endif /* CONFIG_SPL_BUILD */
473 
474 #define MX6_MMDC_P0_MDCTL	0x021b0000
475 #define MX6_MMDC_P0_MDPDC	0x021b0004
476 #define MX6_MMDC_P0_MDOTC	0x021b0008
477 #define MX6_MMDC_P0_MDCFG0	0x021b000c
478 #define MX6_MMDC_P0_MDCFG1	0x021b0010
479 #define MX6_MMDC_P0_MDCFG2	0x021b0014
480 #define MX6_MMDC_P0_MDMISC	0x021b0018
481 #define MX6_MMDC_P0_MDSCR	0x021b001c
482 #define MX6_MMDC_P0_MDREF	0x021b0020
483 #define MX6_MMDC_P0_MDRWD	0x021b002c
484 #define MX6_MMDC_P0_MDOR	0x021b0030
485 #define MX6_MMDC_P0_MDASP	0x021b0040
486 #define MX6_MMDC_P0_MAPSR	0x021b0404
487 #define MX6_MMDC_P0_MPZQHWCTRL	0x021b0800
488 #define MX6_MMDC_P0_MPWLDECTRL0	0x021b080c
489 #define MX6_MMDC_P0_MPWLDECTRL1	0x021b0810
490 #define MX6_MMDC_P0_MPODTCTRL	0x021b0818
491 #define MX6_MMDC_P0_MPRDDQBY0DL	0x021b081c
492 #define MX6_MMDC_P0_MPRDDQBY1DL	0x021b0820
493 #define MX6_MMDC_P0_MPRDDQBY2DL	0x021b0824
494 #define MX6_MMDC_P0_MPRDDQBY3DL	0x021b0828
495 #define MX6_MMDC_P0_MPDGCTRL0	0x021b083c
496 #define MX6_MMDC_P0_MPDGCTRL1	0x021b0840
497 #define MX6_MMDC_P0_MPRDDLCTL	0x021b0848
498 #define MX6_MMDC_P0_MPWRDLCTL	0x021b0850
499 #define MX6_MMDC_P0_MPZQLP2CTL	0x021b085C
500 #define MX6_MMDC_P0_MPMUR0	0x021b08b8
501 
502 #define MX6_MMDC_P1_MDCTL	0x021b4000
503 #define MX6_MMDC_P1_MDPDC	0x021b4004
504 #define MX6_MMDC_P1_MDOTC	0x021b4008
505 #define MX6_MMDC_P1_MDCFG0	0x021b400c
506 #define MX6_MMDC_P1_MDCFG1	0x021b4010
507 #define MX6_MMDC_P1_MDCFG2	0x021b4014
508 #define MX6_MMDC_P1_MDMISC	0x021b4018
509 #define MX6_MMDC_P1_MDSCR	0x021b401c
510 #define MX6_MMDC_P1_MDREF	0x021b4020
511 #define MX6_MMDC_P1_MDRWD	0x021b402c
512 #define MX6_MMDC_P1_MDOR	0x021b4030
513 #define MX6_MMDC_P1_MDASP	0x021b4040
514 #define MX6_MMDC_P1_MAPSR	0x021b4404
515 #define MX6_MMDC_P1_MPZQHWCTRL	0x021b4800
516 #define MX6_MMDC_P1_MPWLDECTRL0	0x021b480c
517 #define MX6_MMDC_P1_MPWLDECTRL1	0x021b4810
518 #define MX6_MMDC_P1_MPODTCTRL	0x021b4818
519 #define MX6_MMDC_P1_MPRDDQBY0DL	0x021b481c
520 #define MX6_MMDC_P1_MPRDDQBY1DL	0x021b4820
521 #define MX6_MMDC_P1_MPRDDQBY2DL	0x021b4824
522 #define MX6_MMDC_P1_MPRDDQBY3DL	0x021b4828
523 #define MX6_MMDC_P1_MPDGCTRL0	0x021b483c
524 #define MX6_MMDC_P1_MPDGCTRL1	0x021b4840
525 #define MX6_MMDC_P1_MPRDDLCTL	0x021b4848
526 #define MX6_MMDC_P1_MPWRDLCTL	0x021b4850
527 #define MX6_MMDC_P1_MPZQLP2CTL	0x021b485C
528 #define MX6_MMDC_P1_MPMUR0	0x021b48b8
529 
530 #endif	/*__ASM_ARCH_MX6_DDR_H__ */
531