xref: /openbmc/u-boot/drivers/ddr/fsl/interactive.c (revision 014a953c)
1 /*
2  * Copyright 2010-2014 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 /*
8  * Generic driver for Freescale DDR/DDR2/DDR3 memory controller.
9  * Based on code from spd_sdram.c
10  * Author: James Yang [at freescale.com]
11  *         York Sun [at freescale.com]
12  */
13 
14 #include <common.h>
15 #include <cli.h>
16 #include <linux/ctype.h>
17 #include <asm/types.h>
18 #include <asm/io.h>
19 
20 #include <fsl_ddr_sdram.h>
21 #include <fsl_ddr.h>
22 
23 /* Option parameter Structures */
24 struct options_string {
25 	const char *option_name;
26 	size_t offset;
27 	unsigned int size;
28 	const char printhex;
29 };
30 
31 static unsigned int picos_to_mhz(unsigned int picos)
32 {
33 	return 1000000 / picos;
34 }
35 
36 static void print_option_table(const struct options_string *table,
37 			 int table_size,
38 			 const void *base)
39 {
40 	unsigned int i;
41 	unsigned int *ptr;
42 	unsigned long long *ptr_l;
43 
44 	for (i = 0; i < table_size; i++) {
45 		switch (table[i].size) {
46 		case 4:
47 			ptr = (unsigned int *) (base + table[i].offset);
48 			if (table[i].printhex) {
49 				printf("%s = 0x%08X\n",
50 					table[i].option_name, *ptr);
51 			} else {
52 				printf("%s = %u\n",
53 					table[i].option_name, *ptr);
54 			}
55 			break;
56 		case 8:
57 			ptr_l = (unsigned long long *) (base + table[i].offset);
58 			printf("%s = %llu\n",
59 				table[i].option_name, *ptr_l);
60 			break;
61 		default:
62 			printf("Unrecognized size!\n");
63 			break;
64 		}
65 	}
66 }
67 
68 static int handle_option_table(const struct options_string *table,
69 			 int table_size,
70 			 void *base,
71 			 const char *opt,
72 			 const char *val)
73 {
74 	unsigned int i;
75 	unsigned int value, *ptr;
76 	unsigned long long value_l, *ptr_l;
77 
78 	for (i = 0; i < table_size; i++) {
79 		if (strcmp(table[i].option_name, opt) != 0)
80 			continue;
81 		switch (table[i].size) {
82 		case 4:
83 			value = simple_strtoul(val, NULL, 0);
84 			ptr = base + table[i].offset;
85 			*ptr = value;
86 			break;
87 		case 8:
88 			value_l = simple_strtoull(val, NULL, 0);
89 			ptr_l = base + table[i].offset;
90 			*ptr_l = value_l;
91 			break;
92 		default:
93 			printf("Unrecognized size!\n");
94 			break;
95 		}
96 		return 1;
97 	}
98 
99 	return 0;
100 }
101 
102 static void fsl_ddr_generic_edit(void *pdata,
103 			   void *pend,
104 			   unsigned int element_size,
105 			   unsigned int element_num,
106 			   unsigned int value)
107 {
108 	char *pcdata = (char *)pdata;		/* BIG ENDIAN ONLY */
109 
110 	pcdata += element_num * element_size;
111 	if ((pcdata + element_size) > (char *) pend) {
112 		printf("trying to write past end of data\n");
113 		return;
114 	}
115 
116 	switch (element_size) {
117 	case 1:
118 		__raw_writeb(value, pcdata);
119 		break;
120 	case 2:
121 		__raw_writew(value, pcdata);
122 		break;
123 	case 4:
124 		__raw_writel(value, pcdata);
125 		break;
126 	default:
127 		printf("unexpected element size %u\n", element_size);
128 		break;
129 	}
130 }
131 
132 static void fsl_ddr_spd_edit(fsl_ddr_info_t *pinfo,
133 		       unsigned int ctrl_num,
134 		       unsigned int dimm_num,
135 		       unsigned int element_num,
136 		       unsigned int value)
137 {
138 	generic_spd_eeprom_t *pspd;
139 
140 	pspd = &(pinfo->spd_installed_dimms[ctrl_num][dimm_num]);
141 	fsl_ddr_generic_edit(pspd, pspd + 1, 1, element_num, value);
142 }
143 
144 #define COMMON_TIMING(x) {#x, offsetof(common_timing_params_t, x), \
145 	sizeof((common_timing_params_t *)0)->x, 0}
146 
147 static void lowest_common_dimm_parameters_edit(fsl_ddr_info_t *pinfo,
148 					unsigned int ctrl_num,
149 					const char *optname_str,
150 					const char *value_str)
151 {
152 	common_timing_params_t *p = &pinfo->common_timing_params[ctrl_num];
153 
154 	static const struct options_string options[] = {
155 		COMMON_TIMING(tckmin_x_ps),
156 		COMMON_TIMING(tckmax_ps),
157 #if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
158 		COMMON_TIMING(taamin_ps),
159 #endif
160 		COMMON_TIMING(trcd_ps),
161 		COMMON_TIMING(trp_ps),
162 		COMMON_TIMING(tras_ps),
163 
164 #ifdef CONFIG_SYS_FSL_DDR4
165 		COMMON_TIMING(trfc1_ps),
166 		COMMON_TIMING(trfc2_ps),
167 		COMMON_TIMING(trfc4_ps),
168 		COMMON_TIMING(trrds_ps),
169 		COMMON_TIMING(trrdl_ps),
170 		COMMON_TIMING(tccdl_ps),
171 #else
172 		COMMON_TIMING(twtr_ps),
173 		COMMON_TIMING(trfc_ps),
174 		COMMON_TIMING(trrd_ps),
175 		COMMON_TIMING(trtp_ps),
176 #endif
177 		COMMON_TIMING(twr_ps),
178 		COMMON_TIMING(trc_ps),
179 		COMMON_TIMING(refresh_rate_ps),
180 		COMMON_TIMING(extended_op_srt),
181 #if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
182 		COMMON_TIMING(tis_ps),
183 		COMMON_TIMING(tih_ps),
184 		COMMON_TIMING(tds_ps),
185 		COMMON_TIMING(tdh_ps),
186 		COMMON_TIMING(tdqsq_max_ps),
187 		COMMON_TIMING(tqhs_ps),
188 #endif
189 		COMMON_TIMING(ndimms_present),
190 		COMMON_TIMING(lowest_common_spd_caslat),
191 		COMMON_TIMING(highest_common_derated_caslat),
192 		COMMON_TIMING(additive_latency),
193 		COMMON_TIMING(all_dimms_burst_lengths_bitmask),
194 		COMMON_TIMING(all_dimms_registered),
195 		COMMON_TIMING(all_dimms_unbuffered),
196 		COMMON_TIMING(all_dimms_ecc_capable),
197 		COMMON_TIMING(total_mem),
198 		COMMON_TIMING(base_address),
199 	};
200 	static const unsigned int n_opts = ARRAY_SIZE(options);
201 
202 	if (handle_option_table(options, n_opts, p, optname_str, value_str))
203 		return;
204 
205 	printf("Error: couldn't find option string %s\n", optname_str);
206 }
207 
208 #define DIMM_PARM(x) {#x, offsetof(dimm_params_t, x), \
209 	sizeof((dimm_params_t *)0)->x, 0}
210 #define DIMM_PARM_HEX(x) {#x, offsetof(dimm_params_t, x), \
211 	sizeof((dimm_params_t *)0)->x, 1}
212 
213 static void fsl_ddr_dimm_parameters_edit(fsl_ddr_info_t *pinfo,
214 				   unsigned int ctrl_num,
215 				   unsigned int dimm_num,
216 				   const char *optname_str,
217 				   const char *value_str)
218 {
219 	dimm_params_t *p = &(pinfo->dimm_params[ctrl_num][dimm_num]);
220 
221 	static const struct options_string options[] = {
222 		DIMM_PARM(n_ranks),
223 		DIMM_PARM(data_width),
224 		DIMM_PARM(primary_sdram_width),
225 		DIMM_PARM(ec_sdram_width),
226 		DIMM_PARM(registered_dimm),
227 		DIMM_PARM(mirrored_dimm),
228 		DIMM_PARM(device_width),
229 
230 		DIMM_PARM(n_row_addr),
231 		DIMM_PARM(n_col_addr),
232 		DIMM_PARM(edc_config),
233 #ifdef CONFIG_SYS_FSL_DDR4
234 		DIMM_PARM(bank_addr_bits),
235 		DIMM_PARM(bank_group_bits),
236 #else
237 		DIMM_PARM(n_banks_per_sdram_device),
238 #endif
239 		DIMM_PARM(burst_lengths_bitmask),
240 		DIMM_PARM(row_density),
241 
242 		DIMM_PARM(tckmin_x_ps),
243 		DIMM_PARM(tckmin_x_minus_1_ps),
244 		DIMM_PARM(tckmin_x_minus_2_ps),
245 		DIMM_PARM(tckmax_ps),
246 
247 		DIMM_PARM(caslat_x),
248 		DIMM_PARM(caslat_x_minus_1),
249 		DIMM_PARM(caslat_x_minus_2),
250 
251 		DIMM_PARM(caslat_lowest_derated),
252 
253 		DIMM_PARM(trcd_ps),
254 		DIMM_PARM(trp_ps),
255 		DIMM_PARM(tras_ps),
256 #ifdef CONFIG_SYS_FSL_DDR4
257 		DIMM_PARM(trfc1_ps),
258 		DIMM_PARM(trfc2_ps),
259 		DIMM_PARM(trfc4_ps),
260 		DIMM_PARM(trrds_ps),
261 		DIMM_PARM(trrdl_ps),
262 		DIMM_PARM(tccdl_ps),
263 #else
264 		DIMM_PARM(twr_ps),
265 		DIMM_PARM(twtr_ps),
266 		DIMM_PARM(trfc_ps),
267 		DIMM_PARM(trrd_ps),
268 		DIMM_PARM(trtp_ps),
269 #endif
270 		DIMM_PARM(trc_ps),
271 		DIMM_PARM(refresh_rate_ps),
272 		DIMM_PARM(extended_op_srt),
273 
274 #if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
275 		DIMM_PARM(tis_ps),
276 		DIMM_PARM(tih_ps),
277 		DIMM_PARM(tds_ps),
278 		DIMM_PARM(tdh_ps),
279 		DIMM_PARM(tdqsq_max_ps),
280 		DIMM_PARM(tqhs_ps),
281 #endif
282 #ifdef CONFIG_SYS_FSL_DDR4
283 		DIMM_PARM_HEX(dq_mapping[0]),
284 		DIMM_PARM_HEX(dq_mapping[1]),
285 		DIMM_PARM_HEX(dq_mapping[2]),
286 		DIMM_PARM_HEX(dq_mapping[3]),
287 		DIMM_PARM_HEX(dq_mapping[4]),
288 		DIMM_PARM_HEX(dq_mapping[5]),
289 		DIMM_PARM_HEX(dq_mapping[6]),
290 		DIMM_PARM_HEX(dq_mapping[7]),
291 		DIMM_PARM_HEX(dq_mapping[8]),
292 		DIMM_PARM_HEX(dq_mapping[9]),
293 		DIMM_PARM_HEX(dq_mapping[10]),
294 		DIMM_PARM_HEX(dq_mapping[11]),
295 		DIMM_PARM_HEX(dq_mapping[12]),
296 		DIMM_PARM_HEX(dq_mapping[13]),
297 		DIMM_PARM_HEX(dq_mapping[14]),
298 		DIMM_PARM_HEX(dq_mapping[15]),
299 		DIMM_PARM_HEX(dq_mapping[16]),
300 		DIMM_PARM_HEX(dq_mapping[17]),
301 		DIMM_PARM(dq_mapping_ors),
302 #endif
303 		DIMM_PARM(rank_density),
304 		DIMM_PARM(capacity),
305 		DIMM_PARM(base_address),
306 	};
307 
308 	static const unsigned int n_opts = ARRAY_SIZE(options);
309 
310 	if (handle_option_table(options, n_opts, p, optname_str, value_str))
311 		return;
312 
313 	printf("couldn't find option string %s\n", optname_str);
314 }
315 
316 static void print_dimm_parameters(const dimm_params_t *pdimm)
317 {
318 	static const struct options_string options[] = {
319 		DIMM_PARM(n_ranks),
320 		DIMM_PARM(data_width),
321 		DIMM_PARM(primary_sdram_width),
322 		DIMM_PARM(ec_sdram_width),
323 		DIMM_PARM(registered_dimm),
324 		DIMM_PARM(mirrored_dimm),
325 		DIMM_PARM(device_width),
326 
327 		DIMM_PARM(n_row_addr),
328 		DIMM_PARM(n_col_addr),
329 		DIMM_PARM(edc_config),
330 #ifdef CONFIG_SYS_FSL_DDR4
331 		DIMM_PARM(bank_addr_bits),
332 		DIMM_PARM(bank_group_bits),
333 #else
334 		DIMM_PARM(n_banks_per_sdram_device),
335 #endif
336 
337 		DIMM_PARM(tckmin_x_ps),
338 		DIMM_PARM(tckmin_x_minus_1_ps),
339 		DIMM_PARM(tckmin_x_minus_2_ps),
340 		DIMM_PARM(tckmax_ps),
341 
342 		DIMM_PARM(caslat_x),
343 		DIMM_PARM_HEX(caslat_x),
344 		DIMM_PARM(taa_ps),
345 		DIMM_PARM(caslat_x_minus_1),
346 		DIMM_PARM(caslat_x_minus_2),
347 		DIMM_PARM(caslat_lowest_derated),
348 
349 		DIMM_PARM(trcd_ps),
350 		DIMM_PARM(trp_ps),
351 		DIMM_PARM(tras_ps),
352 #if defined(CONFIG_SYS_FSL_DDR4) || defined(CONFIG_SYS_FSL_DDR3)
353 		DIMM_PARM(tfaw_ps),
354 #endif
355 #ifdef CONFIG_SYS_FSL_DDR4
356 		DIMM_PARM(trfc1_ps),
357 		DIMM_PARM(trfc2_ps),
358 		DIMM_PARM(trfc4_ps),
359 		DIMM_PARM(trrds_ps),
360 		DIMM_PARM(trrdl_ps),
361 		DIMM_PARM(tccdl_ps),
362 #else
363 		DIMM_PARM(twr_ps),
364 		DIMM_PARM(twtr_ps),
365 		DIMM_PARM(trfc_ps),
366 		DIMM_PARM(trrd_ps),
367 		DIMM_PARM(trtp_ps),
368 #endif
369 		DIMM_PARM(trc_ps),
370 		DIMM_PARM(refresh_rate_ps),
371 
372 #if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
373 		DIMM_PARM(tis_ps),
374 		DIMM_PARM(tih_ps),
375 		DIMM_PARM(tds_ps),
376 		DIMM_PARM(tdh_ps),
377 		DIMM_PARM(tdqsq_max_ps),
378 		DIMM_PARM(tqhs_ps),
379 #endif
380 #ifdef CONFIG_SYS_FSL_DDR4
381 		DIMM_PARM_HEX(dq_mapping[0]),
382 		DIMM_PARM_HEX(dq_mapping[1]),
383 		DIMM_PARM_HEX(dq_mapping[2]),
384 		DIMM_PARM_HEX(dq_mapping[3]),
385 		DIMM_PARM_HEX(dq_mapping[4]),
386 		DIMM_PARM_HEX(dq_mapping[5]),
387 		DIMM_PARM_HEX(dq_mapping[6]),
388 		DIMM_PARM_HEX(dq_mapping[7]),
389 		DIMM_PARM_HEX(dq_mapping[8]),
390 		DIMM_PARM_HEX(dq_mapping[9]),
391 		DIMM_PARM_HEX(dq_mapping[10]),
392 		DIMM_PARM_HEX(dq_mapping[11]),
393 		DIMM_PARM_HEX(dq_mapping[12]),
394 		DIMM_PARM_HEX(dq_mapping[13]),
395 		DIMM_PARM_HEX(dq_mapping[14]),
396 		DIMM_PARM_HEX(dq_mapping[15]),
397 		DIMM_PARM_HEX(dq_mapping[16]),
398 		DIMM_PARM_HEX(dq_mapping[17]),
399 		DIMM_PARM(dq_mapping_ors),
400 #endif
401 	};
402 	static const unsigned int n_opts = ARRAY_SIZE(options);
403 
404 	if (pdimm->n_ranks == 0) {
405 		printf("DIMM not present\n");
406 		return;
407 	}
408 	printf("DIMM organization parameters:\n");
409 	printf("module part name = %s\n", pdimm->mpart);
410 	printf("rank_density = %llu bytes (%llu megabytes)\n",
411 	       pdimm->rank_density, pdimm->rank_density / 0x100000);
412 	printf("capacity = %llu bytes (%llu megabytes)\n",
413 	       pdimm->capacity, pdimm->capacity / 0x100000);
414 	printf("burst_lengths_bitmask = %02X\n",
415 	       pdimm->burst_lengths_bitmask);
416 	printf("base_addresss = %llu (%08llX %08llX)\n",
417 	       pdimm->base_address,
418 	       (pdimm->base_address >> 32),
419 	       pdimm->base_address & 0xFFFFFFFF);
420 	print_option_table(options, n_opts, pdimm);
421 }
422 
423 static void print_lowest_common_dimm_parameters(
424 		const common_timing_params_t *plcd_dimm_params)
425 {
426 	static const struct options_string options[] = {
427 #if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
428 		COMMON_TIMING(taamin_ps),
429 #endif
430 		COMMON_TIMING(trcd_ps),
431 		COMMON_TIMING(trp_ps),
432 		COMMON_TIMING(tras_ps),
433 #ifdef CONFIG_SYS_FSL_DDR4
434 		COMMON_TIMING(trfc1_ps),
435 		COMMON_TIMING(trfc2_ps),
436 		COMMON_TIMING(trfc4_ps),
437 		COMMON_TIMING(trrds_ps),
438 		COMMON_TIMING(trrdl_ps),
439 		COMMON_TIMING(tccdl_ps),
440 #else
441 		COMMON_TIMING(twtr_ps),
442 		COMMON_TIMING(trfc_ps),
443 		COMMON_TIMING(trrd_ps),
444 		COMMON_TIMING(trtp_ps),
445 #endif
446 		COMMON_TIMING(twr_ps),
447 		COMMON_TIMING(trc_ps),
448 		COMMON_TIMING(refresh_rate_ps),
449 		COMMON_TIMING(extended_op_srt),
450 #if defined(CONFIG_SYS_FSL_DDR1) || defined(CONFIG_SYS_FSL_DDR2)
451 		COMMON_TIMING(tis_ps),
452 		COMMON_TIMING(tih_ps),
453 		COMMON_TIMING(tds_ps),
454 		COMMON_TIMING(tdh_ps),
455 		COMMON_TIMING(tdqsq_max_ps),
456 		COMMON_TIMING(tqhs_ps),
457 #endif
458 		COMMON_TIMING(lowest_common_spd_caslat),
459 		COMMON_TIMING(highest_common_derated_caslat),
460 		COMMON_TIMING(additive_latency),
461 		COMMON_TIMING(ndimms_present),
462 		COMMON_TIMING(all_dimms_registered),
463 		COMMON_TIMING(all_dimms_unbuffered),
464 		COMMON_TIMING(all_dimms_ecc_capable),
465 	};
466 	static const unsigned int n_opts = ARRAY_SIZE(options);
467 
468 	/* Clock frequencies */
469 	printf("tckmin_x_ps = %u (%u MHz)\n",
470 	       plcd_dimm_params->tckmin_x_ps,
471 	       picos_to_mhz(plcd_dimm_params->tckmin_x_ps));
472 	printf("tckmax_ps = %u (%u MHz)\n",
473 	       plcd_dimm_params->tckmax_ps,
474 	       picos_to_mhz(plcd_dimm_params->tckmax_ps));
475 	printf("all_dimms_burst_lengths_bitmask = %02X\n",
476 	       plcd_dimm_params->all_dimms_burst_lengths_bitmask);
477 
478 	print_option_table(options, n_opts, plcd_dimm_params);
479 
480 	printf("total_mem = %llu (%llu megabytes)\n",
481 	       plcd_dimm_params->total_mem,
482 	       plcd_dimm_params->total_mem / 0x100000);
483 	printf("base_address = %llu (%llu megabytes)\n",
484 	       plcd_dimm_params->base_address,
485 	       plcd_dimm_params->base_address / 0x100000);
486 }
487 
488 #define CTRL_OPTIONS(x) {#x, offsetof(memctl_options_t, x), \
489 	sizeof((memctl_options_t *)0)->x, 0}
490 #define CTRL_OPTIONS_CS(x, y) {"cs" #x "_" #y, \
491 	offsetof(memctl_options_t, cs_local_opts[x].y), \
492 	sizeof((memctl_options_t *)0)->cs_local_opts[x].y, 0}
493 
494 static void fsl_ddr_options_edit(fsl_ddr_info_t *pinfo,
495 			   unsigned int ctl_num,
496 			   const char *optname_str,
497 			   const char *value_str)
498 {
499 	memctl_options_t *p = &(pinfo->memctl_opts[ctl_num]);
500 	/*
501 	 * This array all on the stack and *computed* each time this
502 	 * function is rung.
503 	 */
504 	static const struct options_string options[] = {
505 		CTRL_OPTIONS_CS(0, odt_rd_cfg),
506 		CTRL_OPTIONS_CS(0, odt_wr_cfg),
507 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 1)
508 		CTRL_OPTIONS_CS(1, odt_rd_cfg),
509 		CTRL_OPTIONS_CS(1, odt_wr_cfg),
510 #endif
511 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2)
512 		CTRL_OPTIONS_CS(2, odt_rd_cfg),
513 		CTRL_OPTIONS_CS(2, odt_wr_cfg),
514 #endif
515 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2)
516 		CTRL_OPTIONS_CS(3, odt_rd_cfg),
517 		CTRL_OPTIONS_CS(3, odt_wr_cfg),
518 #endif
519 #if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
520 		CTRL_OPTIONS_CS(0, odt_rtt_norm),
521 		CTRL_OPTIONS_CS(0, odt_rtt_wr),
522 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 1)
523 		CTRL_OPTIONS_CS(1, odt_rtt_norm),
524 		CTRL_OPTIONS_CS(1, odt_rtt_wr),
525 #endif
526 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2)
527 		CTRL_OPTIONS_CS(2, odt_rtt_norm),
528 		CTRL_OPTIONS_CS(2, odt_rtt_wr),
529 #endif
530 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2)
531 		CTRL_OPTIONS_CS(3, odt_rtt_norm),
532 		CTRL_OPTIONS_CS(3, odt_rtt_wr),
533 #endif
534 #endif
535 		CTRL_OPTIONS(memctl_interleaving),
536 		CTRL_OPTIONS(memctl_interleaving_mode),
537 		CTRL_OPTIONS(ba_intlv_ctl),
538 		CTRL_OPTIONS(ecc_mode),
539 		CTRL_OPTIONS(ecc_init_using_memctl),
540 		CTRL_OPTIONS(dqs_config),
541 		CTRL_OPTIONS(self_refresh_in_sleep),
542 		CTRL_OPTIONS(dynamic_power),
543 		CTRL_OPTIONS(data_bus_width),
544 		CTRL_OPTIONS(burst_length),
545 		CTRL_OPTIONS(cas_latency_override),
546 		CTRL_OPTIONS(cas_latency_override_value),
547 		CTRL_OPTIONS(use_derated_caslat),
548 		CTRL_OPTIONS(additive_latency_override),
549 		CTRL_OPTIONS(additive_latency_override_value),
550 		CTRL_OPTIONS(clk_adjust),
551 		CTRL_OPTIONS(cpo_override),
552 		CTRL_OPTIONS(write_data_delay),
553 		CTRL_OPTIONS(half_strength_driver_enable),
554 
555 		/*
556 		 * These can probably be changed to 2T_EN and 3T_EN
557 		 * (using a leading numerical character) without problem
558 		 */
559 		CTRL_OPTIONS(twot_en),
560 		CTRL_OPTIONS(threet_en),
561 		CTRL_OPTIONS(ap_en),
562 		CTRL_OPTIONS(x4_en),
563 		CTRL_OPTIONS(bstopre),
564 		CTRL_OPTIONS(wrlvl_override),
565 		CTRL_OPTIONS(wrlvl_sample),
566 		CTRL_OPTIONS(wrlvl_start),
567 		CTRL_OPTIONS(cswl_override),
568 		CTRL_OPTIONS(rcw_override),
569 		CTRL_OPTIONS(rcw_1),
570 		CTRL_OPTIONS(rcw_2),
571 		CTRL_OPTIONS(ddr_cdr1),
572 		CTRL_OPTIONS(ddr_cdr2),
573 		CTRL_OPTIONS(tfaw_window_four_activates_ps),
574 		CTRL_OPTIONS(trwt_override),
575 		CTRL_OPTIONS(trwt),
576 		CTRL_OPTIONS(rtt_override),
577 		CTRL_OPTIONS(rtt_override_value),
578 		CTRL_OPTIONS(rtt_wr_override_value),
579 	};
580 
581 	static const unsigned int n_opts = ARRAY_SIZE(options);
582 
583 	if (handle_option_table(options, n_opts, p,
584 					optname_str, value_str))
585 		return;
586 
587 	printf("couldn't find option string %s\n", optname_str);
588 }
589 
590 #define CFG_REGS(x) {#x, offsetof(fsl_ddr_cfg_regs_t, x), \
591 	sizeof((fsl_ddr_cfg_regs_t *)0)->x, 1}
592 #define CFG_REGS_CS(x, y) {"cs" #x "_" #y, \
593 	offsetof(fsl_ddr_cfg_regs_t, cs[x].y), \
594 	sizeof((fsl_ddr_cfg_regs_t *)0)->cs[x].y, 1}
595 
596 static void print_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr)
597 {
598 	unsigned int i;
599 	static const struct options_string options[] = {
600 		CFG_REGS_CS(0, bnds),
601 		CFG_REGS_CS(0, config),
602 		CFG_REGS_CS(0, config_2),
603 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 1)
604 		CFG_REGS_CS(1, bnds),
605 		CFG_REGS_CS(1, config),
606 		CFG_REGS_CS(1, config_2),
607 #endif
608 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2)
609 		CFG_REGS_CS(2, bnds),
610 		CFG_REGS_CS(2, config),
611 		CFG_REGS_CS(2, config_2),
612 #endif
613 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2)
614 		CFG_REGS_CS(3, bnds),
615 		CFG_REGS_CS(3, config),
616 		CFG_REGS_CS(3, config_2),
617 #endif
618 		CFG_REGS(timing_cfg_3),
619 		CFG_REGS(timing_cfg_0),
620 		CFG_REGS(timing_cfg_1),
621 		CFG_REGS(timing_cfg_2),
622 		CFG_REGS(ddr_sdram_cfg),
623 		CFG_REGS(ddr_sdram_cfg_2),
624 		CFG_REGS(ddr_sdram_cfg_3),
625 		CFG_REGS(ddr_sdram_mode),
626 		CFG_REGS(ddr_sdram_mode_2),
627 		CFG_REGS(ddr_sdram_mode_3),
628 		CFG_REGS(ddr_sdram_mode_4),
629 		CFG_REGS(ddr_sdram_mode_5),
630 		CFG_REGS(ddr_sdram_mode_6),
631 		CFG_REGS(ddr_sdram_mode_7),
632 		CFG_REGS(ddr_sdram_mode_8),
633 #ifdef CONFIG_SYS_FSL_DDR4
634 		CFG_REGS(ddr_sdram_mode_9),
635 		CFG_REGS(ddr_sdram_mode_10),
636 		CFG_REGS(ddr_sdram_mode_11),
637 		CFG_REGS(ddr_sdram_mode_12),
638 		CFG_REGS(ddr_sdram_mode_13),
639 		CFG_REGS(ddr_sdram_mode_14),
640 		CFG_REGS(ddr_sdram_mode_15),
641 		CFG_REGS(ddr_sdram_mode_16),
642 #endif
643 		CFG_REGS(ddr_sdram_interval),
644 		CFG_REGS(ddr_data_init),
645 		CFG_REGS(ddr_sdram_clk_cntl),
646 		CFG_REGS(ddr_init_addr),
647 		CFG_REGS(ddr_init_ext_addr),
648 		CFG_REGS(timing_cfg_4),
649 		CFG_REGS(timing_cfg_5),
650 #ifdef CONFIG_SYS_FSL_DDR4
651 		CFG_REGS(timing_cfg_6),
652 		CFG_REGS(timing_cfg_7),
653 		CFG_REGS(timing_cfg_8),
654 		CFG_REGS(timing_cfg_9),
655 #endif
656 		CFG_REGS(ddr_zq_cntl),
657 		CFG_REGS(ddr_wrlvl_cntl),
658 		CFG_REGS(ddr_wrlvl_cntl_2),
659 		CFG_REGS(ddr_wrlvl_cntl_3),
660 		CFG_REGS(ddr_sr_cntr),
661 		CFG_REGS(ddr_sdram_rcw_1),
662 		CFG_REGS(ddr_sdram_rcw_2),
663 		CFG_REGS(ddr_cdr1),
664 		CFG_REGS(ddr_cdr2),
665 		CFG_REGS(dq_map_0),
666 		CFG_REGS(dq_map_1),
667 		CFG_REGS(dq_map_2),
668 		CFG_REGS(dq_map_3),
669 		CFG_REGS(err_disable),
670 		CFG_REGS(err_int_en),
671 		CFG_REGS(ddr_eor),
672 	};
673 	static const unsigned int n_opts = ARRAY_SIZE(options);
674 
675 	print_option_table(options, n_opts, ddr);
676 
677 	for (i = 0; i < 64; i++)
678 		printf("debug_%02d = 0x%08X\n", i+1, ddr->debug[i]);
679 }
680 
681 static void fsl_ddr_regs_edit(fsl_ddr_info_t *pinfo,
682 			unsigned int ctrl_num,
683 			const char *regname,
684 			const char *value_str)
685 {
686 	unsigned int i;
687 	fsl_ddr_cfg_regs_t *ddr;
688 	char buf[20];
689 	static const struct options_string options[] = {
690 		CFG_REGS_CS(0, bnds),
691 		CFG_REGS_CS(0, config),
692 		CFG_REGS_CS(0, config_2),
693 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 1)
694 		CFG_REGS_CS(1, bnds),
695 		CFG_REGS_CS(1, config),
696 		CFG_REGS_CS(1, config_2),
697 #endif
698 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2)
699 		CFG_REGS_CS(2, bnds),
700 		CFG_REGS_CS(2, config),
701 		CFG_REGS_CS(2, config_2),
702 #endif
703 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 3)
704 		CFG_REGS_CS(3, bnds),
705 		CFG_REGS_CS(3, config),
706 		CFG_REGS_CS(3, config_2),
707 #endif
708 		CFG_REGS(timing_cfg_3),
709 		CFG_REGS(timing_cfg_0),
710 		CFG_REGS(timing_cfg_1),
711 		CFG_REGS(timing_cfg_2),
712 		CFG_REGS(ddr_sdram_cfg),
713 		CFG_REGS(ddr_sdram_cfg_2),
714 		CFG_REGS(ddr_sdram_cfg_3),
715 		CFG_REGS(ddr_sdram_mode),
716 		CFG_REGS(ddr_sdram_mode_2),
717 		CFG_REGS(ddr_sdram_mode_3),
718 		CFG_REGS(ddr_sdram_mode_4),
719 		CFG_REGS(ddr_sdram_mode_5),
720 		CFG_REGS(ddr_sdram_mode_6),
721 		CFG_REGS(ddr_sdram_mode_7),
722 		CFG_REGS(ddr_sdram_mode_8),
723 #ifdef CONFIG_SYS_FSL_DDR4
724 		CFG_REGS(ddr_sdram_mode_9),
725 		CFG_REGS(ddr_sdram_mode_10),
726 		CFG_REGS(ddr_sdram_mode_11),
727 		CFG_REGS(ddr_sdram_mode_12),
728 		CFG_REGS(ddr_sdram_mode_13),
729 		CFG_REGS(ddr_sdram_mode_14),
730 		CFG_REGS(ddr_sdram_mode_15),
731 		CFG_REGS(ddr_sdram_mode_16),
732 #endif
733 		CFG_REGS(ddr_sdram_interval),
734 		CFG_REGS(ddr_data_init),
735 		CFG_REGS(ddr_sdram_clk_cntl),
736 		CFG_REGS(ddr_init_addr),
737 		CFG_REGS(ddr_init_ext_addr),
738 		CFG_REGS(timing_cfg_4),
739 		CFG_REGS(timing_cfg_5),
740 #ifdef CONFIG_SYS_FSL_DDR4
741 		CFG_REGS(timing_cfg_6),
742 		CFG_REGS(timing_cfg_7),
743 		CFG_REGS(timing_cfg_8),
744 		CFG_REGS(timing_cfg_9),
745 #endif
746 		CFG_REGS(ddr_zq_cntl),
747 		CFG_REGS(ddr_wrlvl_cntl),
748 		CFG_REGS(ddr_wrlvl_cntl_2),
749 		CFG_REGS(ddr_wrlvl_cntl_3),
750 		CFG_REGS(ddr_sr_cntr),
751 		CFG_REGS(ddr_sdram_rcw_1),
752 		CFG_REGS(ddr_sdram_rcw_2),
753 		CFG_REGS(ddr_cdr1),
754 		CFG_REGS(ddr_cdr2),
755 		CFG_REGS(dq_map_0),
756 		CFG_REGS(dq_map_1),
757 		CFG_REGS(dq_map_2),
758 		CFG_REGS(dq_map_3),
759 		CFG_REGS(err_disable),
760 		CFG_REGS(err_int_en),
761 		CFG_REGS(ddr_sdram_rcw_2),
762 		CFG_REGS(ddr_sdram_rcw_2),
763 		CFG_REGS(ddr_eor),
764 	};
765 	static const unsigned int n_opts = ARRAY_SIZE(options);
766 
767 	debug("fsl_ddr_regs_edit: ctrl_num = %u, "
768 		"regname = %s, value = %s\n",
769 		ctrl_num, regname, value_str);
770 	if (ctrl_num > CONFIG_SYS_NUM_DDR_CTLRS)
771 		return;
772 
773 	ddr = &(pinfo->fsl_ddr_config_reg[ctrl_num]);
774 
775 	if (handle_option_table(options, n_opts, ddr, regname, value_str))
776 		return;
777 
778 	for (i = 0; i < 64; i++) {
779 		unsigned int value = simple_strtoul(value_str, NULL, 0);
780 		sprintf(buf, "debug_%u", i + 1);
781 		if (strcmp(buf, regname) == 0) {
782 			ddr->debug[i] = value;
783 			return;
784 		}
785 	}
786 	printf("Error: couldn't find register string %s\n", regname);
787 }
788 
789 #define CTRL_OPTIONS_HEX(x) {#x, offsetof(memctl_options_t, x), \
790 	sizeof((memctl_options_t *)0)->x, 1}
791 
792 static void print_memctl_options(const memctl_options_t *popts)
793 {
794 	static const struct options_string options[] = {
795 		CTRL_OPTIONS_CS(0, odt_rd_cfg),
796 		CTRL_OPTIONS_CS(0, odt_wr_cfg),
797 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 1)
798 		CTRL_OPTIONS_CS(1, odt_rd_cfg),
799 		CTRL_OPTIONS_CS(1, odt_wr_cfg),
800 #endif
801 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2)
802 		CTRL_OPTIONS_CS(2, odt_rd_cfg),
803 		CTRL_OPTIONS_CS(2, odt_wr_cfg),
804 #endif
805 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 3)
806 		CTRL_OPTIONS_CS(3, odt_rd_cfg),
807 		CTRL_OPTIONS_CS(3, odt_wr_cfg),
808 #endif
809 #if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
810 		CTRL_OPTIONS_CS(0, odt_rtt_norm),
811 		CTRL_OPTIONS_CS(0, odt_rtt_wr),
812 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 1)
813 		CTRL_OPTIONS_CS(1, odt_rtt_norm),
814 		CTRL_OPTIONS_CS(1, odt_rtt_wr),
815 #endif
816 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2)
817 		CTRL_OPTIONS_CS(2, odt_rtt_norm),
818 		CTRL_OPTIONS_CS(2, odt_rtt_wr),
819 #endif
820 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 3)
821 		CTRL_OPTIONS_CS(3, odt_rtt_norm),
822 		CTRL_OPTIONS_CS(3, odt_rtt_wr),
823 #endif
824 #endif
825 		CTRL_OPTIONS(memctl_interleaving),
826 		CTRL_OPTIONS(memctl_interleaving_mode),
827 		CTRL_OPTIONS_HEX(ba_intlv_ctl),
828 		CTRL_OPTIONS(ecc_mode),
829 		CTRL_OPTIONS(ecc_init_using_memctl),
830 		CTRL_OPTIONS(dqs_config),
831 		CTRL_OPTIONS(self_refresh_in_sleep),
832 		CTRL_OPTIONS(dynamic_power),
833 		CTRL_OPTIONS(data_bus_width),
834 		CTRL_OPTIONS(burst_length),
835 		CTRL_OPTIONS(cas_latency_override),
836 		CTRL_OPTIONS(cas_latency_override_value),
837 		CTRL_OPTIONS(use_derated_caslat),
838 		CTRL_OPTIONS(additive_latency_override),
839 		CTRL_OPTIONS(additive_latency_override_value),
840 		CTRL_OPTIONS(clk_adjust),
841 		CTRL_OPTIONS(cpo_override),
842 		CTRL_OPTIONS(write_data_delay),
843 		CTRL_OPTIONS(half_strength_driver_enable),
844 		/*
845 		 * These can probably be changed to 2T_EN and 3T_EN
846 		 * (using a leading numerical character) without problem
847 		 */
848 		CTRL_OPTIONS(twot_en),
849 		CTRL_OPTIONS(threet_en),
850 		CTRL_OPTIONS(registered_dimm_en),
851 		CTRL_OPTIONS(mirrored_dimm),
852 		CTRL_OPTIONS(ap_en),
853 		CTRL_OPTIONS(x4_en),
854 		CTRL_OPTIONS(bstopre),
855 		CTRL_OPTIONS(wrlvl_override),
856 		CTRL_OPTIONS(wrlvl_sample),
857 		CTRL_OPTIONS(wrlvl_start),
858 		CTRL_OPTIONS_HEX(cswl_override),
859 		CTRL_OPTIONS(rcw_override),
860 		CTRL_OPTIONS(rcw_1),
861 		CTRL_OPTIONS(rcw_2),
862 		CTRL_OPTIONS_HEX(ddr_cdr1),
863 		CTRL_OPTIONS_HEX(ddr_cdr2),
864 		CTRL_OPTIONS(tfaw_window_four_activates_ps),
865 		CTRL_OPTIONS(trwt_override),
866 		CTRL_OPTIONS(trwt),
867 		CTRL_OPTIONS(rtt_override),
868 		CTRL_OPTIONS(rtt_override_value),
869 		CTRL_OPTIONS(rtt_wr_override_value),
870 	};
871 	static const unsigned int n_opts = ARRAY_SIZE(options);
872 
873 	print_option_table(options, n_opts, popts);
874 }
875 
876 #ifdef CONFIG_SYS_FSL_DDR1
877 void ddr1_spd_dump(const ddr1_spd_eeprom_t *spd)
878 {
879 	unsigned int i;
880 
881 	printf("%-3d    : %02x %s\n", 0, spd->info_size,
882 	       " spd->info_size,   *  0 # bytes written into serial memory *");
883 	printf("%-3d    : %02x %s\n", 1, spd->chip_size,
884 	       " spd->chip_size,   *  1 Total # bytes of SPD memory device *");
885 	printf("%-3d    : %02x %s\n", 2, spd->mem_type,
886 	       " spd->mem_type,    *  2 Fundamental memory type *");
887 	printf("%-3d    : %02x %s\n", 3, spd->nrow_addr,
888 	       " spd->nrow_addr,   *  3 # of Row Addresses on this assembly *");
889 	printf("%-3d    : %02x %s\n", 4, spd->ncol_addr,
890 	       " spd->ncol_addr,   *  4 # of Column Addrs on this assembly *");
891 	printf("%-3d    : %02x %s\n", 5, spd->nrows,
892 	       " spd->nrows        *  5 # of DIMM Banks *");
893 	printf("%-3d    : %02x %s\n", 6, spd->dataw_lsb,
894 	       " spd->dataw_lsb,   *  6 Data Width lsb of this assembly *");
895 	printf("%-3d    : %02x %s\n", 7, spd->dataw_msb,
896 	       " spd->dataw_msb,   *  7 Data Width msb of this assembly *");
897 	printf("%-3d    : %02x %s\n", 8, spd->voltage,
898 	       " spd->voltage,     *  8 Voltage intf std of this assembly *");
899 	printf("%-3d    : %02x %s\n", 9, spd->clk_cycle,
900 	       " spd->clk_cycle,   *  9 SDRAM Cycle time at CL=X *");
901 	printf("%-3d    : %02x %s\n", 10, spd->clk_access,
902 	       " spd->clk_access,  * 10 SDRAM Access from Clock at CL=X *");
903 	printf("%-3d    : %02x %s\n", 11, spd->config,
904 	       " spd->config,      * 11 DIMM Configuration type *");
905 	printf("%-3d    : %02x %s\n", 12, spd->refresh,
906 	       " spd->refresh,     * 12 Refresh Rate/Type *");
907 	printf("%-3d    : %02x %s\n", 13, spd->primw,
908 	       " spd->primw,       * 13 Primary SDRAM Width *");
909 	printf("%-3d    : %02x %s\n", 14, spd->ecw,
910 	       " spd->ecw,         * 14 Error Checking SDRAM width *");
911 	printf("%-3d    : %02x %s\n", 15, spd->min_delay,
912 	       " spd->min_delay,   * 15 Back to Back Random Access *");
913 	printf("%-3d    : %02x %s\n", 16, spd->burstl,
914 	       " spd->burstl,      * 16 Burst Lengths Supported *");
915 	printf("%-3d    : %02x %s\n", 17, spd->nbanks,
916 	       " spd->nbanks,      * 17 # of Banks on Each SDRAM Device *");
917 	printf("%-3d    : %02x %s\n", 18, spd->cas_lat,
918 	       " spd->cas_lat,     * 18 CAS# Latencies Supported *");
919 	printf("%-3d    : %02x %s\n", 19, spd->cs_lat,
920 	       " spd->cs_lat,      * 19 Chip Select Latency *");
921 	printf("%-3d    : %02x %s\n", 20, spd->write_lat,
922 	       " spd->write_lat,   * 20 Write Latency/Recovery *");
923 	printf("%-3d    : %02x %s\n", 21, spd->mod_attr,
924 	       " spd->mod_attr,    * 21 SDRAM Module Attributes *");
925 	printf("%-3d    : %02x %s\n", 22, spd->dev_attr,
926 	       " spd->dev_attr,    * 22 SDRAM Device Attributes *");
927 	printf("%-3d    : %02x %s\n", 23, spd->clk_cycle2,
928 	       " spd->clk_cycle2,  * 23 Min SDRAM Cycle time at CL=X-1 *");
929 	printf("%-3d    : %02x %s\n", 24, spd->clk_access2,
930 	       " spd->clk_access2, * 24 SDRAM Access from Clock at CL=X-1 *");
931 	printf("%-3d    : %02x %s\n", 25, spd->clk_cycle3,
932 	       " spd->clk_cycle3,  * 25 Min SDRAM Cycle time at CL=X-2 *");
933 	printf("%-3d    : %02x %s\n", 26, spd->clk_access3,
934 	       " spd->clk_access3, * 26 Max Access from Clock at CL=X-2 *");
935 	printf("%-3d    : %02x %s\n", 27, spd->trp,
936 	       " spd->trp,         * 27 Min Row Precharge Time (tRP)*");
937 	printf("%-3d    : %02x %s\n", 28, spd->trrd,
938 	       " spd->trrd,        * 28 Min Row Active to Row Active (tRRD) *");
939 	printf("%-3d    : %02x %s\n", 29, spd->trcd,
940 	       " spd->trcd,        * 29 Min RAS to CAS Delay (tRCD) *");
941 	printf("%-3d    : %02x %s\n", 30, spd->tras,
942 	       " spd->tras,        * 30 Minimum RAS Pulse Width (tRAS) *");
943 	printf("%-3d    : %02x %s\n", 31, spd->bank_dens,
944 	       " spd->bank_dens,   * 31 Density of each bank on module *");
945 	printf("%-3d    : %02x %s\n", 32, spd->ca_setup,
946 	       " spd->ca_setup,    * 32 Cmd + Addr signal input setup time *");
947 	printf("%-3d    : %02x %s\n", 33, spd->ca_hold,
948 	       " spd->ca_hold,     * 33 Cmd and Addr signal input hold time *");
949 	printf("%-3d    : %02x %s\n", 34, spd->data_setup,
950 	       " spd->data_setup,  * 34 Data signal input setup time *");
951 	printf("%-3d    : %02x %s\n", 35, spd->data_hold,
952 	       " spd->data_hold,   * 35 Data signal input hold time *");
953 	printf("%-3d    : %02x %s\n", 36, spd->res_36_40[0],
954 	       " spd->res_36_40[0], * 36 Reserved / tWR *");
955 	printf("%-3d    : %02x %s\n", 37, spd->res_36_40[1],
956 	       " spd->res_36_40[1], * 37 Reserved / tWTR *");
957 	printf("%-3d    : %02x %s\n", 38, spd->res_36_40[2],
958 	       " spd->res_36_40[2], * 38 Reserved / tRTP *");
959 	printf("%-3d    : %02x %s\n", 39, spd->res_36_40[3],
960 	       " spd->res_36_40[3], * 39 Reserved / mem_probe *");
961 	printf("%-3d    : %02x %s\n", 40, spd->res_36_40[4],
962 	       " spd->res_36_40[4], * 40 Reserved / trc,trfc extensions *");
963 	printf("%-3d    : %02x %s\n", 41, spd->trc,
964 	       " spd->trc,         * 41 Min Active to Auto refresh time tRC *");
965 	printf("%-3d    : %02x %s\n", 42, spd->trfc,
966 	       " spd->trfc,        * 42 Min Auto to Active period tRFC *");
967 	printf("%-3d    : %02x %s\n", 43, spd->tckmax,
968 	       " spd->tckmax,      * 43 Max device cycle time tCKmax *");
969 	printf("%-3d    : %02x %s\n", 44, spd->tdqsq,
970 	       " spd->tdqsq,       * 44 Max DQS to DQ skew *");
971 	printf("%-3d    : %02x %s\n", 45, spd->tqhs,
972 	       " spd->tqhs,        * 45 Max Read DataHold skew tQHS *");
973 	printf("%-3d    : %02x %s\n", 46, spd->res_46,
974 	       " spd->res_46,  * 46 Reserved/ PLL Relock time *");
975 	printf("%-3d    : %02x %s\n", 47, spd->dimm_height,
976 	       " spd->dimm_height  * 47 SDRAM DIMM Height *");
977 
978 	printf("%-3d-%3d: ",  48, 61);
979 
980 	for (i = 0; i < 14; i++)
981 		printf("%02x", spd->res_48_61[i]);
982 
983 	printf(" * 48-61 IDD in SPD and Reserved space *\n");
984 
985 	printf("%-3d    : %02x %s\n", 62, spd->spd_rev,
986 	       " spd->spd_rev,     * 62 SPD Data Revision Code *");
987 	printf("%-3d    : %02x %s\n", 63, spd->cksum,
988 	       " spd->cksum,       * 63 Checksum for bytes 0-62 *");
989 	printf("%-3d-%3d: ",  64, 71);
990 
991 	for (i = 0; i < 8; i++)
992 		printf("%02x", spd->mid[i]);
993 
994 	printf("* 64 Mfr's JEDEC ID code per JEP-108E *\n");
995 	printf("%-3d    : %02x %s\n", 72, spd->mloc,
996 	       " spd->mloc,        * 72 Manufacturing Location *");
997 
998 	printf("%-3d-%3d: >>",  73, 90);
999 
1000 	for (i = 0; i < 18; i++)
1001 		printf("%c", spd->mpart[i]);
1002 
1003 	printf("<<* 73 Manufacturer's Part Number *\n");
1004 
1005 	printf("%-3d-%3d: %02x %02x %s\n", 91, 92, spd->rev[0], spd->rev[1],
1006 	       "* 91 Revision Code *");
1007 	printf("%-3d-%3d: %02x %02x %s\n", 93, 94, spd->mdate[0], spd->mdate[1],
1008 	       "* 93 Manufacturing Date *");
1009 	printf("%-3d-%3d: ", 95, 98);
1010 
1011 	for (i = 0; i < 4; i++)
1012 		printf("%02x", spd->sernum[i]);
1013 
1014 	printf("* 95 Assembly Serial Number *\n");
1015 
1016 	printf("%-3d-%3d: ", 99, 127);
1017 
1018 	for (i = 0; i < 27; i++)
1019 		printf("%02x", spd->mspec[i]);
1020 
1021 	printf("* 99 Manufacturer Specific Data *\n");
1022 }
1023 #endif
1024 
1025 #ifdef CONFIG_SYS_FSL_DDR2
1026 void ddr2_spd_dump(const ddr2_spd_eeprom_t *spd)
1027 {
1028 	unsigned int i;
1029 
1030 	printf("%-3d    : %02x %s\n", 0, spd->info_size,
1031 	       " spd->info_size,   *  0 # bytes written into serial memory *");
1032 	printf("%-3d    : %02x %s\n", 1, spd->chip_size,
1033 	       " spd->chip_size,   *  1 Total # bytes of SPD memory device *");
1034 	printf("%-3d    : %02x %s\n", 2, spd->mem_type,
1035 	       " spd->mem_type,    *  2 Fundamental memory type *");
1036 	printf("%-3d    : %02x %s\n", 3, spd->nrow_addr,
1037 	       " spd->nrow_addr,   *  3 # of Row Addresses on this assembly *");
1038 	printf("%-3d    : %02x %s\n", 4, spd->ncol_addr,
1039 	       " spd->ncol_addr,   *  4 # of Column Addrs on this assembly *");
1040 	printf("%-3d    : %02x %s\n", 5, spd->mod_ranks,
1041 	       " spd->mod_ranks    *  5 # of Module Rows on this assembly *");
1042 	printf("%-3d    : %02x %s\n", 6, spd->dataw,
1043 	       " spd->dataw,       *  6 Data Width of this assembly *");
1044 	printf("%-3d    : %02x %s\n", 7, spd->res_7,
1045 	       " spd->res_7,       *  7 Reserved *");
1046 	printf("%-3d    : %02x %s\n", 8, spd->voltage,
1047 	       " spd->voltage,     *  8 Voltage intf std of this assembly *");
1048 	printf("%-3d    : %02x %s\n", 9, spd->clk_cycle,
1049 	       " spd->clk_cycle,   *  9 SDRAM Cycle time at CL=X *");
1050 	printf("%-3d    : %02x %s\n", 10, spd->clk_access,
1051 	       " spd->clk_access,  * 10 SDRAM Access from Clock at CL=X *");
1052 	printf("%-3d    : %02x %s\n", 11, spd->config,
1053 	       " spd->config,      * 11 DIMM Configuration type *");
1054 	printf("%-3d    : %02x %s\n", 12, spd->refresh,
1055 	       " spd->refresh,     * 12 Refresh Rate/Type *");
1056 	printf("%-3d    : %02x %s\n", 13, spd->primw,
1057 	       " spd->primw,       * 13 Primary SDRAM Width *");
1058 	printf("%-3d    : %02x %s\n", 14, spd->ecw,
1059 	       " spd->ecw,         * 14 Error Checking SDRAM width *");
1060 	printf("%-3d    : %02x %s\n", 15, spd->res_15,
1061 	       " spd->res_15,      * 15 Reserved *");
1062 	printf("%-3d    : %02x %s\n", 16, spd->burstl,
1063 	       " spd->burstl,      * 16 Burst Lengths Supported *");
1064 	printf("%-3d    : %02x %s\n", 17, spd->nbanks,
1065 	       " spd->nbanks,      * 17 # of Banks on Each SDRAM Device *");
1066 	printf("%-3d    : %02x %s\n", 18, spd->cas_lat,
1067 	       " spd->cas_lat,     * 18 CAS# Latencies Supported *");
1068 	printf("%-3d    : %02x %s\n", 19, spd->mech_char,
1069 	       " spd->mech_char,   * 19 Mechanical Characteristics *");
1070 	printf("%-3d    : %02x %s\n", 20, spd->dimm_type,
1071 	       " spd->dimm_type,   * 20 DIMM type *");
1072 	printf("%-3d    : %02x %s\n", 21, spd->mod_attr,
1073 	       " spd->mod_attr,    * 21 SDRAM Module Attributes *");
1074 	printf("%-3d    : %02x %s\n", 22, spd->dev_attr,
1075 	       " spd->dev_attr,    * 22 SDRAM Device Attributes *");
1076 	printf("%-3d    : %02x %s\n", 23, spd->clk_cycle2,
1077 	       " spd->clk_cycle2,  * 23 Min SDRAM Cycle time at CL=X-1 *");
1078 	printf("%-3d    : %02x %s\n", 24, spd->clk_access2,
1079 	       " spd->clk_access2, * 24 SDRAM Access from Clock at CL=X-1 *");
1080 	printf("%-3d    : %02x %s\n", 25, spd->clk_cycle3,
1081 	       " spd->clk_cycle3,  * 25 Min SDRAM Cycle time at CL=X-2 *");
1082 	printf("%-3d    : %02x %s\n", 26, spd->clk_access3,
1083 	       " spd->clk_access3, * 26 Max Access from Clock at CL=X-2 *");
1084 	printf("%-3d    : %02x %s\n", 27, spd->trp,
1085 	       " spd->trp,         * 27 Min Row Precharge Time (tRP)*");
1086 	printf("%-3d    : %02x %s\n", 28, spd->trrd,
1087 	       " spd->trrd,        * 28 Min Row Active to Row Active (tRRD) *");
1088 	printf("%-3d    : %02x %s\n", 29, spd->trcd,
1089 	       " spd->trcd,        * 29 Min RAS to CAS Delay (tRCD) *");
1090 	printf("%-3d    : %02x %s\n", 30, spd->tras,
1091 	       " spd->tras,        * 30 Minimum RAS Pulse Width (tRAS) *");
1092 	printf("%-3d    : %02x %s\n", 31, spd->rank_dens,
1093 	       " spd->rank_dens,   * 31 Density of each rank on module *");
1094 	printf("%-3d    : %02x %s\n", 32, spd->ca_setup,
1095 	       " spd->ca_setup,    * 32 Cmd + Addr signal input setup time *");
1096 	printf("%-3d    : %02x %s\n", 33, spd->ca_hold,
1097 	       " spd->ca_hold,     * 33 Cmd and Addr signal input hold time *");
1098 	printf("%-3d    : %02x %s\n", 34, spd->data_setup,
1099 	       " spd->data_setup,  * 34 Data signal input setup time *");
1100 	printf("%-3d    : %02x %s\n", 35, spd->data_hold,
1101 	       " spd->data_hold,   * 35 Data signal input hold time *");
1102 	printf("%-3d    : %02x %s\n", 36, spd->twr,
1103 	       " spd->twr,         * 36 Write Recovery time tWR *");
1104 	printf("%-3d    : %02x %s\n", 37, spd->twtr,
1105 	       " spd->twtr,        * 37 Int write to read delay tWTR *");
1106 	printf("%-3d    : %02x %s\n", 38, spd->trtp,
1107 	       " spd->trtp,        * 38 Int read to precharge delay tRTP *");
1108 	printf("%-3d    : %02x %s\n", 39, spd->mem_probe,
1109 	       " spd->mem_probe,   * 39 Mem analysis probe characteristics *");
1110 	printf("%-3d    : %02x %s\n", 40, spd->trctrfc_ext,
1111 	       " spd->trctrfc_ext, * 40 Extensions to trc and trfc *");
1112 	printf("%-3d    : %02x %s\n", 41, spd->trc,
1113 	       " spd->trc,         * 41 Min Active to Auto refresh time tRC *");
1114 	printf("%-3d    : %02x %s\n", 42, spd->trfc,
1115 	       " spd->trfc,        * 42 Min Auto to Active period tRFC *");
1116 	printf("%-3d    : %02x %s\n", 43, spd->tckmax,
1117 	       " spd->tckmax,      * 43 Max device cycle time tCKmax *");
1118 	printf("%-3d    : %02x %s\n", 44, spd->tdqsq,
1119 	       " spd->tdqsq,       * 44 Max DQS to DQ skew *");
1120 	printf("%-3d    : %02x %s\n", 45, spd->tqhs,
1121 	       " spd->tqhs,        * 45 Max Read DataHold skew tQHS *");
1122 	printf("%-3d    : %02x %s\n", 46, spd->pll_relock,
1123 	       " spd->pll_relock,  * 46 PLL Relock time *");
1124 	printf("%-3d    : %02x %s\n", 47, spd->t_casemax,
1125 	       " spd->t_casemax,    * 47 t_casemax *");
1126 	printf("%-3d    : %02x %s\n", 48, spd->psi_ta_dram,
1127 	       " spd->psi_ta_dram,   * 48 Thermal Resistance of DRAM Package "
1128 	       "from Top (Case) to Ambient (Psi T-A DRAM) *");
1129 	printf("%-3d    : %02x %s\n", 49, spd->dt0_mode,
1130 	       " spd->dt0_mode,    * 49 DRAM Case Temperature Rise from "
1131 	       "Ambient due to Activate-Precharge/Mode Bits "
1132 	       "(DT0/Mode Bits) *)");
1133 	printf("%-3d    : %02x %s\n", 50, spd->dt2n_dt2q,
1134 	       " spd->dt2n_dt2q,   * 50 DRAM Case Temperature Rise from "
1135 	       "Ambient due to Precharge/Quiet Standby "
1136 	       "(DT2N/DT2Q) *");
1137 	printf("%-3d    : %02x %s\n", 51, spd->dt2p,
1138 	       " spd->dt2p,        * 51 DRAM Case Temperature Rise from "
1139 	       "Ambient due to Precharge Power-Down (DT2P) *");
1140 	printf("%-3d    : %02x %s\n", 52, spd->dt3n,
1141 	       " spd->dt3n,        * 52 DRAM Case Temperature Rise from "
1142 	       "Ambient due to Active Standby (DT3N) *");
1143 	printf("%-3d    : %02x %s\n", 53, spd->dt3pfast,
1144 	       " spd->dt3pfast,    * 53 DRAM Case Temperature Rise from "
1145 	       "Ambient due to Active Power-Down with Fast PDN Exit "
1146 	       "(DT3Pfast) *");
1147 	printf("%-3d    : %02x %s\n", 54, spd->dt3pslow,
1148 	       " spd->dt3pslow,    * 54 DRAM Case Temperature Rise from "
1149 	       "Ambient due to Active Power-Down with Slow PDN Exit "
1150 	       "(DT3Pslow) *");
1151 	printf("%-3d    : %02x %s\n", 55, spd->dt4r_dt4r4w,
1152 	       " spd->dt4r_dt4r4w, * 55 DRAM Case Temperature Rise from "
1153 	       "Ambient due to Page Open Burst Read/DT4R4W Mode Bit "
1154 	       "(DT4R/DT4R4W Mode Bit) *");
1155 	printf("%-3d    : %02x %s\n", 56, spd->dt5b,
1156 	       " spd->dt5b,        * 56 DRAM Case Temperature Rise from "
1157 	       "Ambient due to Burst Refresh (DT5B) *");
1158 	printf("%-3d    : %02x %s\n", 57, spd->dt7,
1159 	       " spd->dt7,         * 57 DRAM Case Temperature Rise from "
1160 	       "Ambient due to Bank Interleave Reads with "
1161 	       "Auto-Precharge (DT7) *");
1162 	printf("%-3d    : %02x %s\n", 58, spd->psi_ta_pll,
1163 	       " spd->psi_ta_pll,    * 58 Thermal Resistance of PLL Package form"
1164 	       " Top (Case) to Ambient (Psi T-A PLL) *");
1165 	printf("%-3d    : %02x %s\n", 59, spd->psi_ta_reg,
1166 	       " spd->psi_ta_reg,    * 59 Thermal Reisitance of Register Package"
1167 	       " from Top (Case) to Ambient (Psi T-A Register) *");
1168 	printf("%-3d    : %02x %s\n", 60, spd->dtpllactive,
1169 	       " spd->dtpllactive, * 60 PLL Case Temperature Rise from "
1170 	       "Ambient due to PLL Active (DT PLL Active) *");
1171 	printf("%-3d    : %02x %s\n", 61, spd->dtregact,
1172 	       " spd->dtregact,    "
1173 	       "* 61 Register Case Temperature Rise from Ambient due to "
1174 	       "Register Active/Mode Bit (DT Register Active/Mode Bit) *");
1175 	printf("%-3d    : %02x %s\n", 62, spd->spd_rev,
1176 	       " spd->spd_rev,     * 62 SPD Data Revision Code *");
1177 	printf("%-3d    : %02x %s\n", 63, spd->cksum,
1178 	       " spd->cksum,       * 63 Checksum for bytes 0-62 *");
1179 
1180 	printf("%-3d-%3d: ",  64, 71);
1181 
1182 	for (i = 0; i < 8; i++)
1183 		printf("%02x", spd->mid[i]);
1184 
1185 	printf("* 64 Mfr's JEDEC ID code per JEP-108E *\n");
1186 
1187 	printf("%-3d    : %02x %s\n", 72, spd->mloc,
1188 	       " spd->mloc,        * 72 Manufacturing Location *");
1189 
1190 	printf("%-3d-%3d: >>",  73, 90);
1191 	for (i = 0; i < 18; i++)
1192 		printf("%c", spd->mpart[i]);
1193 
1194 
1195 	printf("<<* 73 Manufacturer's Part Number *\n");
1196 
1197 	printf("%-3d-%3d: %02x %02x %s\n", 91, 92, spd->rev[0], spd->rev[1],
1198 	       "* 91 Revision Code *");
1199 	printf("%-3d-%3d: %02x %02x %s\n", 93, 94, spd->mdate[0], spd->mdate[1],
1200 	       "* 93 Manufacturing Date *");
1201 	printf("%-3d-%3d: ", 95, 98);
1202 
1203 	for (i = 0; i < 4; i++)
1204 		printf("%02x", spd->sernum[i]);
1205 
1206 	printf("* 95 Assembly Serial Number *\n");
1207 
1208 	printf("%-3d-%3d: ", 99, 127);
1209 	for (i = 0; i < 27; i++)
1210 		printf("%02x", spd->mspec[i]);
1211 
1212 
1213 	printf("* 99 Manufacturer Specific Data *\n");
1214 }
1215 #endif
1216 
1217 #ifdef CONFIG_SYS_FSL_DDR3
1218 void ddr3_spd_dump(const ddr3_spd_eeprom_t *spd)
1219 {
1220 	unsigned int i;
1221 
1222 	/* General Section: Bytes 0-59 */
1223 
1224 #define PRINT_NXS(x, y, z...) printf("%-3d    : %02x " z "\n", x, (u8)y);
1225 #define PRINT_NNXXS(n0, n1, x0, x1, s) \
1226 	printf("%-3d-%3d: %02x %02x " s "\n", n0, n1, x0, x1);
1227 
1228 	PRINT_NXS(0, spd->info_size_crc,
1229 		"info_size_crc  bytes written into serial memory, "
1230 		"CRC coverage");
1231 	PRINT_NXS(1, spd->spd_rev,
1232 		"spd_rev        SPD Revision");
1233 	PRINT_NXS(2, spd->mem_type,
1234 		"mem_type       Key Byte / DRAM Device Type");
1235 	PRINT_NXS(3, spd->module_type,
1236 		"module_type    Key Byte / Module Type");
1237 	PRINT_NXS(4, spd->density_banks,
1238 		"density_banks  SDRAM Density and Banks");
1239 	PRINT_NXS(5, spd->addressing,
1240 		"addressing     SDRAM Addressing");
1241 	PRINT_NXS(6, spd->module_vdd,
1242 		"module_vdd     Module Nominal Voltage, VDD");
1243 	PRINT_NXS(7, spd->organization,
1244 		"organization   Module Organization");
1245 	PRINT_NXS(8, spd->bus_width,
1246 		"bus_width      Module Memory Bus Width");
1247 	PRINT_NXS(9, spd->ftb_div,
1248 		"ftb_div        Fine Timebase (FTB) Dividend / Divisor");
1249 	PRINT_NXS(10, spd->mtb_dividend,
1250 		"mtb_dividend   Medium Timebase (MTB) Dividend");
1251 	PRINT_NXS(11, spd->mtb_divisor,
1252 		"mtb_divisor    Medium Timebase (MTB) Divisor");
1253 	PRINT_NXS(12, spd->tck_min,
1254 		  "tck_min        SDRAM Minimum Cycle Time");
1255 	PRINT_NXS(13, spd->res_13,
1256 		"res_13         Reserved");
1257 	PRINT_NXS(14, spd->caslat_lsb,
1258 		"caslat_lsb     CAS Latencies Supported, LSB");
1259 	PRINT_NXS(15, spd->caslat_msb,
1260 		"caslat_msb     CAS Latencies Supported, MSB");
1261 	PRINT_NXS(16, spd->taa_min,
1262 		  "taa_min        Min CAS Latency Time");
1263 	PRINT_NXS(17, spd->twr_min,
1264 		  "twr_min        Min Write REcovery Time");
1265 	PRINT_NXS(18, spd->trcd_min,
1266 		  "trcd_min       Min RAS# to CAS# Delay Time");
1267 	PRINT_NXS(19, spd->trrd_min,
1268 		  "trrd_min       Min Row Active to Row Active Delay Time");
1269 	PRINT_NXS(20, spd->trp_min,
1270 		  "trp_min        Min Row Precharge Delay Time");
1271 	PRINT_NXS(21, spd->tras_trc_ext,
1272 		  "tras_trc_ext   Upper Nibbles for tRAS and tRC");
1273 	PRINT_NXS(22, spd->tras_min_lsb,
1274 		  "tras_min_lsb   Min Active to Precharge Delay Time, LSB");
1275 	PRINT_NXS(23, spd->trc_min_lsb,
1276 		  "trc_min_lsb Min Active to Active/Refresh Delay Time, LSB");
1277 	PRINT_NXS(24, spd->trfc_min_lsb,
1278 		  "trfc_min_lsb   Min Refresh Recovery Delay Time LSB");
1279 	PRINT_NXS(25, spd->trfc_min_msb,
1280 		  "trfc_min_msb   Min Refresh Recovery Delay Time MSB");
1281 	PRINT_NXS(26, spd->twtr_min,
1282 		  "twtr_min Min Internal Write to Read Command Delay Time");
1283 	PRINT_NXS(27, spd->trtp_min,
1284 		  "trtp_min "
1285 		  "Min Internal Read to Precharge Command Delay Time");
1286 	PRINT_NXS(28, spd->tfaw_msb,
1287 		  "tfaw_msb       Upper Nibble for tFAW");
1288 	PRINT_NXS(29, spd->tfaw_min,
1289 		  "tfaw_min       Min Four Activate Window Delay Time");
1290 	PRINT_NXS(30, spd->opt_features,
1291 		"opt_features   SDRAM Optional Features");
1292 	PRINT_NXS(31, spd->therm_ref_opt,
1293 		"therm_ref_opt  SDRAM Thermal and Refresh Opts");
1294 	PRINT_NXS(32, spd->therm_sensor,
1295 		"therm_sensor  SDRAM Thermal Sensor");
1296 	PRINT_NXS(33, spd->device_type,
1297 		"device_type  SDRAM Device Type");
1298 	PRINT_NXS(34, spd->fine_tck_min,
1299 		  "fine_tck_min  Fine offset for tCKmin");
1300 	PRINT_NXS(35, spd->fine_taa_min,
1301 		  "fine_taa_min  Fine offset for tAAmin");
1302 	PRINT_NXS(36, spd->fine_trcd_min,
1303 		  "fine_trcd_min Fine offset for tRCDmin");
1304 	PRINT_NXS(37, spd->fine_trp_min,
1305 		  "fine_trp_min  Fine offset for tRPmin");
1306 	PRINT_NXS(38, spd->fine_trc_min,
1307 		  "fine_trc_min  Fine offset for tRCmin");
1308 
1309 	printf("%-3d-%3d: ",  39, 59);  /* Reserved, General Section */
1310 
1311 	for (i = 39; i <= 59; i++)
1312 		printf("%02x ", spd->res_39_59[i - 39]);
1313 
1314 	puts("\n");
1315 
1316 	switch (spd->module_type) {
1317 	case 0x02:  /* UDIMM */
1318 	case 0x03:  /* SO-DIMM */
1319 	case 0x04:  /* Micro-DIMM */
1320 	case 0x06:  /* Mini-UDIMM */
1321 		PRINT_NXS(60, spd->mod_section.unbuffered.mod_height,
1322 			"mod_height    (Unbuffered) Module Nominal Height");
1323 		PRINT_NXS(61, spd->mod_section.unbuffered.mod_thickness,
1324 			"mod_thickness (Unbuffered) Module Maximum Thickness");
1325 		PRINT_NXS(62, spd->mod_section.unbuffered.ref_raw_card,
1326 			"ref_raw_card  (Unbuffered) Reference Raw Card Used");
1327 		PRINT_NXS(63, spd->mod_section.unbuffered.addr_mapping,
1328 			"addr_mapping  (Unbuffered) Address mapping from "
1329 			"Edge Connector to DRAM");
1330 		break;
1331 	case 0x01:  /* RDIMM */
1332 	case 0x05:  /* Mini-RDIMM */
1333 		PRINT_NXS(60, spd->mod_section.registered.mod_height,
1334 			"mod_height    (Registered) Module Nominal Height");
1335 		PRINT_NXS(61, spd->mod_section.registered.mod_thickness,
1336 			"mod_thickness (Registered) Module Maximum Thickness");
1337 		PRINT_NXS(62, spd->mod_section.registered.ref_raw_card,
1338 			"ref_raw_card  (Registered) Reference Raw Card Used");
1339 		PRINT_NXS(63, spd->mod_section.registered.modu_attr,
1340 			"modu_attr     (Registered) DIMM Module Attributes");
1341 		PRINT_NXS(64, spd->mod_section.registered.thermal,
1342 			"thermal       (Registered) Thermal Heat "
1343 			"Spreader Solution");
1344 		PRINT_NXS(65, spd->mod_section.registered.reg_id_lo,
1345 			"reg_id_lo     (Registered) Register Manufacturer ID "
1346 			"Code, LSB");
1347 		PRINT_NXS(66, spd->mod_section.registered.reg_id_hi,
1348 			"reg_id_hi     (Registered) Register Manufacturer ID "
1349 			"Code, MSB");
1350 		PRINT_NXS(67, spd->mod_section.registered.reg_rev,
1351 			"reg_rev       (Registered) Register "
1352 			"Revision Number");
1353 		PRINT_NXS(68, spd->mod_section.registered.reg_type,
1354 			"reg_type      (Registered) Register Type");
1355 		for (i = 69; i <= 76; i++) {
1356 			printf("%-3d    : %02x rcw[%d]\n", i,
1357 				spd->mod_section.registered.rcw[i-69], i-69);
1358 		}
1359 		break;
1360 	default:
1361 		/* Module-specific Section, Unsupported Module Type */
1362 		printf("%-3d-%3d: ", 60, 116);
1363 
1364 		for (i = 60; i <= 116; i++)
1365 			printf("%02x", spd->mod_section.uc[i - 60]);
1366 
1367 		break;
1368 	}
1369 
1370 	/* Unique Module ID: Bytes 117-125 */
1371 	PRINT_NXS(117, spd->mmid_lsb, "Module MfgID Code LSB - JEP-106");
1372 	PRINT_NXS(118, spd->mmid_msb, "Module MfgID Code MSB - JEP-106");
1373 	PRINT_NXS(119, spd->mloc,     "Mfg Location");
1374 	PRINT_NNXXS(120, 121, spd->mdate[0], spd->mdate[1], "Mfg Date");
1375 
1376 	printf("%-3d-%3d: ", 122, 125);
1377 
1378 	for (i = 122; i <= 125; i++)
1379 		printf("%02x ", spd->sernum[i - 122]);
1380 	printf("   Module Serial Number\n");
1381 
1382 	/* CRC: Bytes 126-127 */
1383 	PRINT_NNXXS(126, 127, spd->crc[0], spd->crc[1], "  SPD CRC");
1384 
1385 	/* Other Manufacturer Fields and User Space: Bytes 128-255 */
1386 	printf("%-3d-%3d: ", 128, 145);
1387 	for (i = 128; i <= 145; i++)
1388 		printf("%02x ", spd->mpart[i - 128]);
1389 	printf("   Mfg's Module Part Number\n");
1390 
1391 	PRINT_NNXXS(146, 147, spd->mrev[0], spd->mrev[1],
1392 		"Module Revision code");
1393 
1394 	PRINT_NXS(148, spd->dmid_lsb, "DRAM MfgID Code LSB - JEP-106");
1395 	PRINT_NXS(149, spd->dmid_msb, "DRAM MfgID Code MSB - JEP-106");
1396 
1397 	printf("%-3d-%3d: ", 150, 175);
1398 	for (i = 150; i <= 175; i++)
1399 		printf("%02x ", spd->msd[i - 150]);
1400 	printf("   Mfg's Specific Data\n");
1401 
1402 	printf("%-3d-%3d: ", 176, 255);
1403 	for (i = 176; i <= 255; i++)
1404 		printf("%02x", spd->cust[i - 176]);
1405 	printf("   Mfg's Specific Data\n");
1406 
1407 }
1408 #endif
1409 
1410 #ifdef CONFIG_SYS_FSL_DDR4
1411 void ddr4_spd_dump(const struct ddr4_spd_eeprom_s *spd)
1412 {
1413 	unsigned int i;
1414 
1415 	/* General Section: Bytes 0-127 */
1416 
1417 #define PRINT_NXS(x, y, z...) printf("%-3d    : %02x " z "\n", x, (u8)y);
1418 #define PRINT_NNXXS(n0, n1, x0, x1, s) \
1419 	printf("%-3d-%3d: %02x %02x " s "\n", n0, n1, x0, x1);
1420 
1421 	PRINT_NXS(0, spd->info_size_crc,
1422 		  "info_size_crc  bytes written into serial memory, CRC coverage");
1423 	PRINT_NXS(1, spd->spd_rev,
1424 		  "spd_rev        SPD Revision");
1425 	PRINT_NXS(2, spd->mem_type,
1426 		  "mem_type       Key Byte / DRAM Device Type");
1427 	PRINT_NXS(3, spd->module_type,
1428 		  "module_type    Key Byte / Module Type");
1429 	PRINT_NXS(4, spd->density_banks,
1430 		  "density_banks  SDRAM Density and Banks");
1431 	PRINT_NXS(5, spd->addressing,
1432 		  "addressing     SDRAM Addressing");
1433 	PRINT_NXS(6, spd->package_type,
1434 		  "package_type   Package type");
1435 	PRINT_NXS(7, spd->opt_feature,
1436 		  "opt_feature    Optional features");
1437 	PRINT_NXS(8, spd->thermal_ref,
1438 		  "thermal_ref    Thermal and Refresh options");
1439 	PRINT_NXS(9, spd->oth_opt_features,
1440 		  "oth_opt_features Other SDRAM optional features");
1441 	PRINT_NXS(10, spd->res_10,
1442 		  "res_10         Reserved");
1443 	PRINT_NXS(11, spd->module_vdd,
1444 		  "module_vdd     Module Nominal Voltage, VDD");
1445 	PRINT_NXS(12, spd->organization,
1446 		  "organization Module Organization");
1447 	PRINT_NXS(13, spd->bus_width,
1448 		  "bus_width      Module Memory Bus Width");
1449 	PRINT_NXS(14, spd->therm_sensor,
1450 		  "therm_sensor   Module Thermal Sensor");
1451 	PRINT_NXS(15, spd->ext_type,
1452 		  "ext_type       Extended module type");
1453 	PRINT_NXS(16, spd->res_16,
1454 		  "res_16       Reserved");
1455 	PRINT_NXS(17, spd->timebases,
1456 		  "timebases    MTb and FTB");
1457 	PRINT_NXS(18, spd->tck_min,
1458 		  "tck_min      tCKAVGmin");
1459 	PRINT_NXS(19, spd->tck_max,
1460 		  "tck_max      TCKAVGmax");
1461 	PRINT_NXS(20, spd->caslat_b1,
1462 		  "caslat_b1    CAS latencies, 1st byte");
1463 	PRINT_NXS(21, spd->caslat_b2,
1464 		  "caslat_b2    CAS latencies, 2nd byte");
1465 	PRINT_NXS(22, spd->caslat_b3,
1466 		  "caslat_b3    CAS latencies, 3rd byte ");
1467 	PRINT_NXS(23, spd->caslat_b4,
1468 		  "caslat_b4    CAS latencies, 4th byte");
1469 	PRINT_NXS(24, spd->taa_min,
1470 		  "taa_min      Min CAS Latency Time");
1471 	PRINT_NXS(25, spd->trcd_min,
1472 		  "trcd_min     Min RAS# to CAS# Delay Time");
1473 	PRINT_NXS(26, spd->trp_min,
1474 		  "trp_min      Min Row Precharge Delay Time");
1475 	PRINT_NXS(27, spd->tras_trc_ext,
1476 		  "tras_trc_ext Upper Nibbles for tRAS and tRC");
1477 	PRINT_NXS(28, spd->tras_min_lsb,
1478 		  "tras_min_lsb tRASmin, lsb");
1479 	PRINT_NXS(29, spd->trc_min_lsb,
1480 		  "trc_min_lsb  tRCmin, lsb");
1481 	PRINT_NXS(30, spd->trfc1_min_lsb,
1482 		  "trfc1_min_lsb  Min Refresh Recovery Delay Time, LSB");
1483 	PRINT_NXS(31, spd->trfc1_min_msb,
1484 		  "trfc1_min_msb  Min Refresh Recovery Delay Time, MSB ");
1485 	PRINT_NXS(32, spd->trfc2_min_lsb,
1486 		  "trfc2_min_lsb  Min Refresh Recovery Delay Time, LSB");
1487 	PRINT_NXS(33, spd->trfc2_min_msb,
1488 		  "trfc2_min_msb  Min Refresh Recovery Delay Time, MSB");
1489 	PRINT_NXS(34, spd->trfc4_min_lsb,
1490 		  "trfc4_min_lsb Min Refresh Recovery Delay Time, LSB");
1491 	PRINT_NXS(35, spd->trfc4_min_msb,
1492 		  "trfc4_min_msb Min Refresh Recovery Delay Time, MSB");
1493 	PRINT_NXS(36, spd->tfaw_msb,
1494 		  "tfaw_msb      Upper Nibble for tFAW");
1495 	PRINT_NXS(37, spd->tfaw_min,
1496 		  "tfaw_min      tFAW, lsb");
1497 	PRINT_NXS(38, spd->trrds_min,
1498 		  "trrds_min     tRRD_Smin, MTB");
1499 	PRINT_NXS(39, spd->trrdl_min,
1500 		  "trrdl_min     tRRD_Lmin, MTB");
1501 	PRINT_NXS(40, spd->tccdl_min,
1502 		  "tccdl_min     tCCS_Lmin, MTB");
1503 
1504 	printf("%-3d-%3d: ", 41, 59);  /* Reserved, General Section */
1505 	for (i = 41; i <= 59; i++)
1506 		printf("%02x ", spd->res_41[i - 41]);
1507 
1508 	puts("\n");
1509 	printf("%-3d-%3d: ", 60, 77);
1510 	for (i = 60; i <= 77; i++)
1511 		printf("%02x ", spd->mapping[i - 60]);
1512 	puts("   mapping[] Connector to SDRAM bit map\n");
1513 
1514 	PRINT_NXS(117, spd->fine_tccdl_min,
1515 		  "fine_tccdl_min Fine offset for tCCD_Lmin");
1516 	PRINT_NXS(118, spd->fine_trrdl_min,
1517 		  "fine_trrdl_min Fine offset for tRRD_Lmin");
1518 	PRINT_NXS(119, spd->fine_trrds_min,
1519 		  "fine_trrds_min Fine offset for tRRD_Smin");
1520 	PRINT_NXS(120, spd->fine_trc_min,
1521 		  "fine_trc_min   Fine offset for tRCmin");
1522 	PRINT_NXS(121, spd->fine_trp_min,
1523 		  "fine_trp_min   Fine offset for tRPmin");
1524 	PRINT_NXS(122, spd->fine_trcd_min,
1525 		  "fine_trcd_min  Fine offset for tRCDmin");
1526 	PRINT_NXS(123, spd->fine_taa_min,
1527 		  "fine_taa_min   Fine offset for tAAmin");
1528 	PRINT_NXS(124, spd->fine_tck_max,
1529 		  "fine_tck_max   Fine offset for tCKAVGmax");
1530 	PRINT_NXS(125, spd->fine_tck_min,
1531 		  "fine_tck_min   Fine offset for tCKAVGmin");
1532 
1533 	/* CRC: Bytes 126-127 */
1534 	PRINT_NNXXS(126, 127, spd->crc[0], spd->crc[1], "  SPD CRC");
1535 
1536 	switch (spd->module_type) {
1537 	case 0x02:  /* UDIMM */
1538 	case 0x03:  /* SO-DIMM */
1539 		PRINT_NXS(128, spd->mod_section.unbuffered.mod_height,
1540 			  "mod_height    (Unbuffered) Module Nominal Height");
1541 		PRINT_NXS(129, spd->mod_section.unbuffered.mod_thickness,
1542 			  "mod_thickness (Unbuffered) Module Maximum Thickness");
1543 		PRINT_NXS(130, spd->mod_section.unbuffered.ref_raw_card,
1544 			  "ref_raw_card  (Unbuffered) Reference Raw Card Used");
1545 		PRINT_NXS(131, spd->mod_section.unbuffered.addr_mapping,
1546 			  "addr_mapping  (Unbuffered) Address mapping from Edge Connector to DRAM");
1547 		PRINT_NNXXS(254, 255, spd->mod_section.unbuffered.crc[0],
1548 			    spd->mod_section.unbuffered.crc[1], "  Module CRC");
1549 		break;
1550 	case 0x01:  /* RDIMM */
1551 		PRINT_NXS(128, spd->mod_section.registered.mod_height,
1552 			  "mod_height    (Registered) Module Nominal Height");
1553 		PRINT_NXS(129, spd->mod_section.registered.mod_thickness,
1554 			  "mod_thickness (Registered) Module Maximum Thickness");
1555 		PRINT_NXS(130, spd->mod_section.registered.ref_raw_card,
1556 			  "ref_raw_card  (Registered) Reference Raw Card Used");
1557 		PRINT_NXS(131, spd->mod_section.registered.modu_attr,
1558 			  "modu_attr     (Registered) DIMM Module Attributes");
1559 		PRINT_NXS(132, spd->mod_section.registered.thermal,
1560 			  "thermal       (Registered) Thermal Heat Spreader Solution");
1561 		PRINT_NXS(133, spd->mod_section.registered.reg_id_lo,
1562 			  "reg_id_lo     (Registered) Register Manufacturer ID Code, LSB");
1563 		PRINT_NXS(134, spd->mod_section.registered.reg_id_hi,
1564 			  "reg_id_hi     (Registered) Register Manufacturer ID Code, MSB");
1565 		PRINT_NXS(135, spd->mod_section.registered.reg_rev,
1566 			  "reg_rev       (Registered) Register Revision Number");
1567 		PRINT_NXS(136, spd->mod_section.registered.reg_map,
1568 			  "reg_map       (Registered) Address mapping");
1569 		PRINT_NNXXS(254, 255, spd->mod_section.registered.crc[0],
1570 			    spd->mod_section.registered.crc[1], "  Module CRC");
1571 		break;
1572 	case 0x04:  /* LRDIMM */
1573 		PRINT_NXS(128, spd->mod_section.loadreduced.mod_height,
1574 			  "mod_height    (Loadreduced) Module Nominal Height");
1575 		PRINT_NXS(129, spd->mod_section.loadreduced.mod_thickness,
1576 			  "mod_thickness (Loadreduced) Module Maximum Thickness");
1577 		PRINT_NXS(130, spd->mod_section.loadreduced.ref_raw_card,
1578 			  "ref_raw_card  (Loadreduced) Reference Raw Card Used");
1579 		PRINT_NXS(131, spd->mod_section.loadreduced.modu_attr,
1580 			  "modu_attr     (Loadreduced) DIMM Module Attributes");
1581 		PRINT_NXS(132, spd->mod_section.loadreduced.thermal,
1582 			  "thermal       (Loadreduced) Thermal Heat Spreader Solution");
1583 		PRINT_NXS(133, spd->mod_section.loadreduced.reg_id_lo,
1584 			  "reg_id_lo     (Loadreduced) Register Manufacturer ID Code, LSB");
1585 		PRINT_NXS(134, spd->mod_section.loadreduced.reg_id_hi,
1586 			  "reg_id_hi     (Loadreduced) Register Manufacturer ID Code, MSB");
1587 		PRINT_NXS(135, spd->mod_section.loadreduced.reg_rev,
1588 			  "reg_rev       (Loadreduced) Register Revision Number");
1589 		PRINT_NXS(136, spd->mod_section.loadreduced.reg_map,
1590 			  "reg_map       (Loadreduced) Address mapping");
1591 		PRINT_NXS(137, spd->mod_section.loadreduced.reg_drv,
1592 			  "reg_drv       (Loadreduced) Reg output drive strength");
1593 		PRINT_NXS(138, spd->mod_section.loadreduced.reg_drv_ck,
1594 			  "reg_drv_ck    (Loadreduced) Reg output drive strength for CK");
1595 		PRINT_NXS(139, spd->mod_section.loadreduced.data_buf_rev,
1596 			  "data_buf_rev  (Loadreduced) Data Buffer Revision Numbe");
1597 		PRINT_NXS(140, spd->mod_section.loadreduced.vrefqe_r0,
1598 			  "vrefqe_r0     (Loadreduced) DRAM VrefDQ for Package Rank 0");
1599 		PRINT_NXS(141, spd->mod_section.loadreduced.vrefqe_r1,
1600 			  "vrefqe_r1     (Loadreduced) DRAM VrefDQ for Package Rank 1");
1601 		PRINT_NXS(142, spd->mod_section.loadreduced.vrefqe_r2,
1602 			  "vrefqe_r2     (Loadreduced) DRAM VrefDQ for Package Rank 2");
1603 		PRINT_NXS(143, spd->mod_section.loadreduced.vrefqe_r3,
1604 			  "vrefqe_r3     (Loadreduced) DRAM VrefDQ for Package Rank 3");
1605 		PRINT_NXS(144, spd->mod_section.loadreduced.data_intf,
1606 			  "data_intf     (Loadreduced) Data Buffer VrefDQ for DRAM Interface");
1607 		PRINT_NXS(145, spd->mod_section.loadreduced.data_drv_1866,
1608 			  "data_drv_1866 (Loadreduced) Data Buffer MDQ Drive Strength and RTT");
1609 		PRINT_NXS(146, spd->mod_section.loadreduced.data_drv_2400,
1610 			  "data_drv_2400 (Loadreduced) Data Buffer MDQ Drive Strength and RTT");
1611 		PRINT_NXS(147, spd->mod_section.loadreduced.data_drv_3200,
1612 			  "data_drv_3200 (Loadreduced) Data Buffer MDQ Drive Strength and RTT");
1613 		PRINT_NXS(148, spd->mod_section.loadreduced.dram_drv,
1614 			  "dram_drv      (Loadreduced) DRAM Drive Strength");
1615 		PRINT_NXS(149, spd->mod_section.loadreduced.dram_odt_1866,
1616 			  "dram_odt_1866 (Loadreduced) DRAM ODT (RTT_WR, RTT_NOM)");
1617 		PRINT_NXS(150, spd->mod_section.loadreduced.dram_odt_2400,
1618 			  "dram_odt_2400 (Loadreduced) DRAM ODT (RTT_WR, RTT_NOM)");
1619 		PRINT_NXS(151, spd->mod_section.loadreduced.dram_odt_3200,
1620 			  "dram_odt_3200 (Loadreduced) DRAM ODT (RTT_WR, RTT_NOM)");
1621 		PRINT_NXS(152, spd->mod_section.loadreduced.dram_odt_park_1866,
1622 			  "dram_odt_park_1866 (Loadreduced) DRAM ODT (RTT_PARK)");
1623 		PRINT_NXS(153, spd->mod_section.loadreduced.dram_odt_park_2400,
1624 			  "dram_odt_park_2400 (Loadreduced) DRAM ODT (RTT_PARK)");
1625 		PRINT_NXS(154, spd->mod_section.loadreduced.dram_odt_park_3200,
1626 			  "dram_odt_park_3200 (Loadreduced) DRAM ODT (RTT_PARK)");
1627 		PRINT_NNXXS(254, 255, spd->mod_section.loadreduced.crc[0],
1628 			    spd->mod_section.loadreduced.crc[1],
1629 			    "  Module CRC");
1630 		break;
1631 	default:
1632 		/* Module-specific Section, Unsupported Module Type */
1633 		printf("%-3d-%3d: ", 128, 255);
1634 
1635 		for (i = 128; i <= 255; i++)
1636 			printf("%02x", spd->mod_section.uc[i - 128]);
1637 
1638 		break;
1639 	}
1640 
1641 	/* Unique Module ID: Bytes 320-383 */
1642 	PRINT_NXS(320, spd->mmid_lsb, "Module MfgID Code LSB - JEP-106");
1643 	PRINT_NXS(321, spd->mmid_msb, "Module MfgID Code MSB - JEP-106");
1644 	PRINT_NXS(322, spd->mloc,     "Mfg Location");
1645 	PRINT_NNXXS(323, 324, spd->mdate[0], spd->mdate[1], "Mfg Date");
1646 
1647 	printf("%-3d-%3d: ", 325, 328);
1648 
1649 	for (i = 325; i <= 328; i++)
1650 		printf("%02x ", spd->sernum[i - 325]);
1651 	printf("   Module Serial Number\n");
1652 
1653 	printf("%-3d-%3d: ", 329, 348);
1654 	for (i = 329; i <= 348; i++)
1655 		printf("%02x ", spd->mpart[i - 329]);
1656 	printf("   Mfg's Module Part Number\n");
1657 
1658 	PRINT_NXS(349, spd->mrev, "Module Revision code");
1659 	PRINT_NXS(350, spd->dmid_lsb, "DRAM MfgID Code LSB - JEP-106");
1660 	PRINT_NXS(351, spd->dmid_msb, "DRAM MfgID Code MSB - JEP-106");
1661 	PRINT_NXS(352, spd->stepping, "DRAM stepping");
1662 
1663 	printf("%-3d-%3d: ", 353, 381);
1664 	for (i = 353; i <= 381; i++)
1665 		printf("%02x ", spd->msd[i - 353]);
1666 	printf("   Mfg's Specific Data\n");
1667 }
1668 #endif
1669 
1670 static inline void generic_spd_dump(const generic_spd_eeprom_t *spd)
1671 {
1672 #if defined(CONFIG_SYS_FSL_DDR1)
1673 	ddr1_spd_dump(spd);
1674 #elif defined(CONFIG_SYS_FSL_DDR2)
1675 	ddr2_spd_dump(spd);
1676 #elif defined(CONFIG_SYS_FSL_DDR3)
1677 	ddr3_spd_dump(spd);
1678 #elif defined(CONFIG_SYS_FSL_DDR4)
1679 	ddr4_spd_dump(spd);
1680 #endif
1681 }
1682 
1683 static void fsl_ddr_printinfo(const fsl_ddr_info_t *pinfo,
1684 			unsigned int ctrl_mask,
1685 			unsigned int dimm_mask,
1686 			unsigned int do_mask)
1687 {
1688 	unsigned int i, j, retval;
1689 
1690 	/* STEP 1:  DIMM SPD data */
1691 	if (do_mask & STEP_GET_SPD) {
1692 		for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
1693 			if (!(ctrl_mask & (1 << i)))
1694 				continue;
1695 
1696 			for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
1697 				if (!(dimm_mask & (1 << j)))
1698 					continue;
1699 
1700 				printf("SPD info:  Controller=%u "
1701 						"DIMM=%u\n", i, j);
1702 				generic_spd_dump(
1703 					&(pinfo->spd_installed_dimms[i][j]));
1704 				printf("\n");
1705 			}
1706 			printf("\n");
1707 		}
1708 		printf("\n");
1709 	}
1710 
1711 	/* STEP 2:  DIMM Parameters */
1712 	if (do_mask & STEP_COMPUTE_DIMM_PARMS) {
1713 		for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
1714 			if (!(ctrl_mask & (1 << i)))
1715 				continue;
1716 			for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
1717 				if (!(dimm_mask & (1 << j)))
1718 					continue;
1719 				printf("DIMM parameters:  Controller=%u "
1720 						"DIMM=%u\n", i, j);
1721 				print_dimm_parameters(
1722 					&(pinfo->dimm_params[i][j]));
1723 				printf("\n");
1724 			}
1725 			printf("\n");
1726 		}
1727 		printf("\n");
1728 	}
1729 
1730 	/* STEP 3:  Common Parameters */
1731 	if (do_mask & STEP_COMPUTE_COMMON_PARMS) {
1732 		for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
1733 			if (!(ctrl_mask & (1 << i)))
1734 				continue;
1735 			printf("\"lowest common\" DIMM parameters:  "
1736 					"Controller=%u\n", i);
1737 			print_lowest_common_dimm_parameters(
1738 				&pinfo->common_timing_params[i]);
1739 			printf("\n");
1740 		}
1741 		printf("\n");
1742 	}
1743 
1744 	/* STEP 4:  User Configuration Options */
1745 	if (do_mask & STEP_GATHER_OPTS) {
1746 		for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
1747 			if (!(ctrl_mask & (1 << i)))
1748 				continue;
1749 			printf("User Config Options: Controller=%u\n", i);
1750 			print_memctl_options(&pinfo->memctl_opts[i]);
1751 			printf("\n");
1752 		}
1753 		printf("\n");
1754 	}
1755 
1756 	/* STEP 5:  Address assignment */
1757 	if (do_mask & STEP_ASSIGN_ADDRESSES) {
1758 		for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
1759 			if (!(ctrl_mask & (1 << i)))
1760 				continue;
1761 			for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
1762 				printf("Address Assignment: Controller=%u "
1763 						"DIMM=%u\n", i, j);
1764 				printf("Don't have this functionality yet\n");
1765 			}
1766 			printf("\n");
1767 		}
1768 		printf("\n");
1769 	}
1770 
1771 	/* STEP 6:  computed controller register values */
1772 	if (do_mask & STEP_COMPUTE_REGS) {
1773 		for (i = 0; i < CONFIG_SYS_NUM_DDR_CTLRS; i++) {
1774 			if (!(ctrl_mask & (1 << i)))
1775 				continue;
1776 			printf("Computed Register Values: Controller=%u\n", i);
1777 			print_fsl_memctl_config_regs(
1778 				&pinfo->fsl_ddr_config_reg[i]);
1779 			retval = check_fsl_memctl_config_regs(
1780 				&pinfo->fsl_ddr_config_reg[i]);
1781 			if (retval) {
1782 				printf("check_fsl_memctl_config_regs "
1783 					"result = %u\n", retval);
1784 			}
1785 			printf("\n");
1786 		}
1787 		printf("\n");
1788 	}
1789 }
1790 
1791 struct data_strings {
1792 	const char *data_name;
1793 	unsigned int step_mask;
1794 	unsigned int dimm_number_required;
1795 };
1796 
1797 #define DATA_OPTIONS(name, step, dimm) {#name, step, dimm}
1798 
1799 static unsigned int fsl_ddr_parse_interactive_cmd(
1800 	char **argv,
1801 	int argc,
1802 	unsigned int *pstep_mask,
1803 	unsigned int *pctlr_mask,
1804 	unsigned int *pdimm_mask,
1805 	unsigned int *pdimm_number_required
1806 	 ) {
1807 
1808 	static const struct data_strings options[] = {
1809 		DATA_OPTIONS(spd, STEP_GET_SPD, 1),
1810 		DATA_OPTIONS(dimmparms, STEP_COMPUTE_DIMM_PARMS, 1),
1811 		DATA_OPTIONS(commonparms, STEP_COMPUTE_COMMON_PARMS, 0),
1812 		DATA_OPTIONS(opts, STEP_GATHER_OPTS, 0),
1813 		DATA_OPTIONS(addresses, STEP_ASSIGN_ADDRESSES, 0),
1814 		DATA_OPTIONS(regs, STEP_COMPUTE_REGS, 0),
1815 	};
1816 	static const unsigned int n_opts = ARRAY_SIZE(options);
1817 
1818 	unsigned int i, j;
1819 	unsigned int error = 0;
1820 
1821 	for (i = 1; i < argc; i++) {
1822 		unsigned int matched = 0;
1823 
1824 		for (j = 0; j < n_opts; j++) {
1825 			if (strcmp(options[j].data_name, argv[i]) != 0)
1826 				continue;
1827 			*pstep_mask |= options[j].step_mask;
1828 			*pdimm_number_required =
1829 				options[j].dimm_number_required;
1830 			matched = 1;
1831 			break;
1832 		}
1833 
1834 		if (matched)
1835 			continue;
1836 
1837 		if (argv[i][0] == 'c') {
1838 			char c = argv[i][1];
1839 			if (isdigit(c))
1840 				*pctlr_mask |= 1 << (c - '0');
1841 			continue;
1842 		}
1843 
1844 		if (argv[i][0] == 'd') {
1845 			char c = argv[i][1];
1846 			if (isdigit(c))
1847 				*pdimm_mask |= 1 << (c - '0');
1848 			continue;
1849 		}
1850 
1851 		printf("unknown arg %s\n", argv[i]);
1852 		*pstep_mask = 0;
1853 		error = 1;
1854 		break;
1855 	}
1856 
1857 	return error;
1858 }
1859 
1860 int fsl_ddr_interactive_env_var_exists(void)
1861 {
1862 	char buffer[CONFIG_SYS_CBSIZE];
1863 
1864 	if (env_get_f("ddr_interactive", buffer, CONFIG_SYS_CBSIZE) >= 0)
1865 		return 1;
1866 
1867 	return 0;
1868 }
1869 
1870 unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo, int var_is_set)
1871 {
1872 	unsigned long long ddrsize;
1873 	const char *prompt = "FSL DDR>";
1874 	char buffer[CONFIG_SYS_CBSIZE];
1875 	char buffer2[CONFIG_SYS_CBSIZE];
1876 	char *p = NULL;
1877 	char *argv[CONFIG_SYS_MAXARGS + 1];	/* NULL terminated */
1878 	int argc;
1879 	unsigned int next_step = STEP_GET_SPD;
1880 	const char *usage = {
1881 		"commands:\n"
1882 		"print      print SPD and intermediate computed data\n"
1883 		"reset      reboot machine\n"
1884 		"recompute  reload SPD and options to default and recompute regs\n"
1885 		"edit       modify spd, parameter, or option\n"
1886 		"compute    recompute registers from current next_step to end\n"
1887 		"copy       copy parameters\n"
1888 		"next_step  shows current next_step\n"
1889 		"help       this message\n"
1890 		"go         program the memory controller and continue with u-boot\n"
1891 	};
1892 
1893 	if (var_is_set) {
1894 		if (env_get_f("ddr_interactive", buffer2,
1895 			      CONFIG_SYS_CBSIZE) > 0)
1896 			p = buffer2;
1897 		else
1898 			var_is_set = 0;
1899 	}
1900 
1901 	/*
1902 	 * The strategy for next_step is that it points to the next
1903 	 * step in the computation process that needs to be done.
1904 	 */
1905 	while (1) {
1906 		if (var_is_set) {
1907 			char *pend = strchr(p, ';');
1908 			if (pend) {
1909 				/* found command separator, copy sub-command */
1910 				*pend = '\0';
1911 				strcpy(buffer, p);
1912 				p = pend + 1;
1913 			} else {
1914 				/* separator not found, copy whole string */
1915 				strcpy(buffer, p);
1916 				p = NULL;
1917 				var_is_set = 0;
1918 			}
1919 		} else {
1920 			/*
1921 			 * No need to worry for buffer overflow here in
1922 			 * this function;  cli_readline() maxes out at
1923 			 * CFG_CBSIZE
1924 			 */
1925 			cli_readline_into_buffer(prompt, buffer, 0);
1926 		}
1927 		argc = cli_simple_parse_line(buffer, argv);
1928 		if (argc == 0)
1929 			continue;
1930 
1931 
1932 		if (strcmp(argv[0], "help") == 0) {
1933 			puts(usage);
1934 			continue;
1935 		}
1936 
1937 		if (strcmp(argv[0], "next_step") == 0) {
1938 			printf("next_step = 0x%02X (%s)\n",
1939 			       next_step,
1940 			       step_to_string(next_step));
1941 			continue;
1942 		}
1943 
1944 		if (strcmp(argv[0], "copy") == 0) {
1945 			unsigned int error = 0;
1946 			unsigned int step_mask = 0;
1947 			unsigned int src_ctlr_mask = 0;
1948 			unsigned int src_dimm_mask = 0;
1949 			unsigned int dimm_number_required = 0;
1950 			unsigned int src_ctlr_num = 0;
1951 			unsigned int src_dimm_num = 0;
1952 			unsigned int dst_ctlr_num = -1;
1953 			unsigned int dst_dimm_num = -1;
1954 			unsigned int i, num_dest_parms;
1955 
1956 			if (argc == 1) {
1957 				printf("copy <src c#> <src d#> <spd|dimmparms|commonparms|opts|addresses|regs> <dst c#> <dst d#>\n");
1958 				continue;
1959 			}
1960 
1961 			error = fsl_ddr_parse_interactive_cmd(
1962 				argv, argc,
1963 				&step_mask,
1964 				&src_ctlr_mask,
1965 				&src_dimm_mask,
1966 				&dimm_number_required
1967 			);
1968 
1969 			/* XXX: only dimm_number_required and step_mask will
1970 			   be used by this function.  Parse the controller and
1971 			   DIMM number separately because it is easier.  */
1972 
1973 			if (error)
1974 				continue;
1975 
1976 			/* parse source destination controller / DIMM */
1977 
1978 			num_dest_parms = dimm_number_required ? 2 : 1;
1979 
1980 			for (i = 0; i < argc; i++) {
1981 				if (argv[i][0] == 'c') {
1982 					char c = argv[i][1];
1983 					if (isdigit(c)) {
1984 						src_ctlr_num = (c - '0');
1985 						break;
1986 					}
1987 				}
1988 			}
1989 
1990 			for (i = 0; i < argc; i++) {
1991 				if (argv[i][0] == 'd') {
1992 					char c = argv[i][1];
1993 					if (isdigit(c)) {
1994 						src_dimm_num = (c - '0');
1995 						break;
1996 					}
1997 				}
1998 			}
1999 
2000 			/* parse destination controller / DIMM */
2001 
2002 			for (i = argc - 1; i >= argc - num_dest_parms; i--) {
2003 				if (argv[i][0] == 'c') {
2004 					char c = argv[i][1];
2005 					if (isdigit(c)) {
2006 						dst_ctlr_num = (c - '0');
2007 						break;
2008 					}
2009 				}
2010 			}
2011 
2012 			for (i = argc - 1; i >= argc - num_dest_parms; i--) {
2013 				if (argv[i][0] == 'd') {
2014 					char c = argv[i][1];
2015 					if (isdigit(c)) {
2016 						dst_dimm_num = (c - '0');
2017 						break;
2018 					}
2019 				}
2020 			}
2021 
2022 			/* TODO: validate inputs */
2023 
2024 			debug("src_ctlr_num = %u, src_dimm_num = %u, dst_ctlr_num = %u, dst_dimm_num = %u, step_mask = %x\n",
2025 				src_ctlr_num, src_dimm_num, dst_ctlr_num, dst_dimm_num, step_mask);
2026 
2027 
2028 			switch (step_mask) {
2029 
2030 			case STEP_GET_SPD:
2031 				memcpy(&(pinfo->spd_installed_dimms[dst_ctlr_num][dst_dimm_num]),
2032 					&(pinfo->spd_installed_dimms[src_ctlr_num][src_dimm_num]),
2033 					sizeof(pinfo->spd_installed_dimms[0][0]));
2034 				break;
2035 
2036 			case STEP_COMPUTE_DIMM_PARMS:
2037 				memcpy(&(pinfo->dimm_params[dst_ctlr_num][dst_dimm_num]),
2038 					&(pinfo->dimm_params[src_ctlr_num][src_dimm_num]),
2039 					sizeof(pinfo->dimm_params[0][0]));
2040 				break;
2041 
2042 			case STEP_COMPUTE_COMMON_PARMS:
2043 				memcpy(&(pinfo->common_timing_params[dst_ctlr_num]),
2044 					&(pinfo->common_timing_params[src_ctlr_num]),
2045 					sizeof(pinfo->common_timing_params[0]));
2046 				break;
2047 
2048 			case STEP_GATHER_OPTS:
2049 				memcpy(&(pinfo->memctl_opts[dst_ctlr_num]),
2050 					&(pinfo->memctl_opts[src_ctlr_num]),
2051 					sizeof(pinfo->memctl_opts[0]));
2052 				break;
2053 
2054 			/* someday be able to have addresses to copy addresses... */
2055 
2056 			case STEP_COMPUTE_REGS:
2057 				memcpy(&(pinfo->fsl_ddr_config_reg[dst_ctlr_num]),
2058 					&(pinfo->fsl_ddr_config_reg[src_ctlr_num]),
2059 					sizeof(pinfo->memctl_opts[0]));
2060 				break;
2061 
2062 			default:
2063 				printf("unexpected step_mask value\n");
2064 			}
2065 
2066 			continue;
2067 
2068 		}
2069 
2070 		if (strcmp(argv[0], "edit") == 0) {
2071 			unsigned int error = 0;
2072 			unsigned int step_mask = 0;
2073 			unsigned int ctlr_mask = 0;
2074 			unsigned int dimm_mask = 0;
2075 			char *p_element = NULL;
2076 			char *p_value = NULL;
2077 			unsigned int dimm_number_required = 0;
2078 			unsigned int ctrl_num;
2079 			unsigned int dimm_num;
2080 
2081 			if (argc == 1) {
2082 				/* Only the element and value must be last */
2083 				printf("edit <c#> <d#> "
2084 					"<spd|dimmparms|commonparms|opts|"
2085 					"addresses|regs> <element> <value>\n");
2086 				printf("for spd, specify byte number for "
2087 					"element\n");
2088 				continue;
2089 			}
2090 
2091 			error = fsl_ddr_parse_interactive_cmd(
2092 				argv, argc - 2,
2093 				&step_mask,
2094 				&ctlr_mask,
2095 				&dimm_mask,
2096 				&dimm_number_required
2097 			);
2098 
2099 			if (error)
2100 				continue;
2101 
2102 
2103 			/* Check arguments */
2104 
2105 			/* ERROR: If no steps were found */
2106 			if (step_mask == 0) {
2107 				printf("Error: No valid steps were specified "
2108 						"in argument.\n");
2109 				continue;
2110 			}
2111 
2112 			/* ERROR: If multiple steps were found */
2113 			if (step_mask & (step_mask - 1)) {
2114 				printf("Error: Multiple steps specified in "
2115 						"argument.\n");
2116 				continue;
2117 			}
2118 
2119 			/* ERROR: Controller not specified */
2120 			if (ctlr_mask == 0) {
2121 				printf("Error: controller number not "
2122 					"specified or no element and "
2123 					"value specified\n");
2124 				continue;
2125 			}
2126 
2127 			if (ctlr_mask & (ctlr_mask - 1)) {
2128 				printf("Error: multiple controllers "
2129 						"specified, %X\n", ctlr_mask);
2130 				continue;
2131 			}
2132 
2133 			/* ERROR: DIMM number not specified */
2134 			if (dimm_number_required && dimm_mask == 0) {
2135 				printf("Error: DIMM number number not "
2136 					"specified or no element and "
2137 					"value specified\n");
2138 				continue;
2139 			}
2140 
2141 			if (dimm_mask & (dimm_mask - 1)) {
2142 				printf("Error: multipled DIMMs specified\n");
2143 				continue;
2144 			}
2145 
2146 			p_element = argv[argc - 2];
2147 			p_value = argv[argc - 1];
2148 
2149 			ctrl_num = __ilog2(ctlr_mask);
2150 			dimm_num = __ilog2(dimm_mask);
2151 
2152 			switch (step_mask) {
2153 			case STEP_GET_SPD:
2154 				{
2155 					unsigned int element_num;
2156 					unsigned int value;
2157 
2158 					element_num = simple_strtoul(p_element,
2159 								     NULL, 0);
2160 					value = simple_strtoul(p_value,
2161 							       NULL, 0);
2162 					fsl_ddr_spd_edit(pinfo,
2163 							       ctrl_num,
2164 							       dimm_num,
2165 							       element_num,
2166 							       value);
2167 					next_step = STEP_COMPUTE_DIMM_PARMS;
2168 				}
2169 				break;
2170 
2171 			case STEP_COMPUTE_DIMM_PARMS:
2172 				fsl_ddr_dimm_parameters_edit(
2173 						 pinfo, ctrl_num, dimm_num,
2174 						 p_element, p_value);
2175 				next_step = STEP_COMPUTE_COMMON_PARMS;
2176 				break;
2177 
2178 			case STEP_COMPUTE_COMMON_PARMS:
2179 				lowest_common_dimm_parameters_edit(pinfo,
2180 						ctrl_num, p_element, p_value);
2181 				next_step = STEP_GATHER_OPTS;
2182 				break;
2183 
2184 			case STEP_GATHER_OPTS:
2185 				fsl_ddr_options_edit(pinfo, ctrl_num,
2186 							   p_element, p_value);
2187 				next_step = STEP_ASSIGN_ADDRESSES;
2188 				break;
2189 
2190 			case STEP_ASSIGN_ADDRESSES:
2191 				printf("editing of address assignment "
2192 						"not yet implemented\n");
2193 				break;
2194 
2195 			case STEP_COMPUTE_REGS:
2196 				{
2197 					fsl_ddr_regs_edit(pinfo,
2198 								ctrl_num,
2199 								p_element,
2200 								p_value);
2201 					next_step = STEP_PROGRAM_REGS;
2202 				}
2203 				break;
2204 
2205 			default:
2206 				printf("programming error\n");
2207 				while (1)
2208 					;
2209 				break;
2210 			}
2211 			continue;
2212 		}
2213 
2214 		if (strcmp(argv[0], "reset") == 0) {
2215 			/*
2216 			 * Reboot machine.
2217 			 * Args don't seem to matter because this
2218 			 * doesn't return
2219 			 */
2220 			do_reset(NULL, 0, 0, NULL);
2221 			printf("Reset didn't work\n");
2222 		}
2223 
2224 		if (strcmp(argv[0], "recompute") == 0) {
2225 			/*
2226 			 * Recalculate everything, starting with
2227 			 * loading SPD EEPROM from DIMMs
2228 			 */
2229 			next_step = STEP_GET_SPD;
2230 			ddrsize = fsl_ddr_compute(pinfo, next_step, 0);
2231 			continue;
2232 		}
2233 
2234 		if (strcmp(argv[0], "compute") == 0) {
2235 			/*
2236 			 * Compute rest of steps starting at
2237 			 * the current next_step/
2238 			 */
2239 			ddrsize = fsl_ddr_compute(pinfo, next_step, 0);
2240 			continue;
2241 		}
2242 
2243 		if (strcmp(argv[0], "print") == 0) {
2244 			unsigned int error = 0;
2245 			unsigned int step_mask = 0;
2246 			unsigned int ctlr_mask = 0;
2247 			unsigned int dimm_mask = 0;
2248 			unsigned int dimm_number_required = 0;
2249 
2250 			if (argc == 1) {
2251 				printf("print [c<n>] [d<n>] [spd] [dimmparms] "
2252 				  "[commonparms] [opts] [addresses] [regs]\n");
2253 				continue;
2254 			}
2255 
2256 			error = fsl_ddr_parse_interactive_cmd(
2257 				argv, argc,
2258 				&step_mask,
2259 				&ctlr_mask,
2260 				&dimm_mask,
2261 				&dimm_number_required
2262 			);
2263 
2264 			if (error)
2265 				continue;
2266 
2267 			/* If no particular controller was found, print all */
2268 			if (ctlr_mask == 0)
2269 				ctlr_mask = 0xFF;
2270 
2271 			/* If no particular dimm was found, print all dimms. */
2272 			if (dimm_mask == 0)
2273 				dimm_mask = 0xFF;
2274 
2275 			/* If no steps were found, print all steps. */
2276 			if (step_mask == 0)
2277 				step_mask = STEP_ALL;
2278 
2279 			fsl_ddr_printinfo(pinfo, ctlr_mask,
2280 						dimm_mask, step_mask);
2281 			continue;
2282 		}
2283 
2284 		if (strcmp(argv[0], "go") == 0) {
2285 			if (next_step)
2286 				ddrsize = fsl_ddr_compute(pinfo, next_step, 0);
2287 			break;
2288 		}
2289 
2290 		printf("unknown command %s\n", argv[0]);
2291 	}
2292 
2293 	debug("end of memory = %llu\n", (u64)ddrsize);
2294 
2295 	return ddrsize;
2296 }
2297