1 /*
2 * Copyright 2017 NXP
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6 #include <common.h>
7 #include <i2c.h>
8 #include <malloc.h>
9 #include <errno.h>
10 #include <netdev.h>
11 #include <fsl_ifc.h>
12 #include <fsl_ddr.h>
13 #include <fsl_sec.h>
14 #include <asm/io.h>
15 #include <fdt_support.h>
16 #include <linux/libfdt.h>
17 #include <fsl-mc/fsl_mc.h>
18 #include <environment.h>
19 #include <asm/arch-fsl-layerscape/soc.h>
20 #include <asm/arch/ppa.h>
21 #include <hwconfig.h>
22 #include <asm/arch/fsl_serdes.h>
23 #include <asm/arch/soc.h>
24
25 #include "../common/qixis.h"
26 #include "ls1088a_qixis.h"
27 #include "../common/vid.h"
28 #include <fsl_immap.h>
29
30 DECLARE_GLOBAL_DATA_PTR;
31
board_early_init_f(void)32 int board_early_init_f(void)
33 {
34 fsl_lsch3_early_init_f();
35 return 0;
36 }
37
38 #ifdef CONFIG_FSL_QIXIS
get_qixis_addr(void)39 unsigned long long get_qixis_addr(void)
40 {
41 unsigned long long addr;
42
43 if (gd->flags & GD_FLG_RELOC)
44 addr = QIXIS_BASE_PHYS;
45 else
46 addr = QIXIS_BASE_PHYS_EARLY;
47
48 /*
49 * IFC address under 256MB is mapped to 0x30000000, any address above
50 * is mapped to 0x5_10000000 up to 4GB.
51 */
52 addr = addr > 0x10000000 ? addr + 0x500000000ULL : addr + 0x30000000;
53
54 return addr;
55 }
56 #endif
57
58 #if defined(CONFIG_VID)
init_func_vid(void)59 int init_func_vid(void)
60 {
61 if (adjust_vdd(0) < 0)
62 printf("core voltage not adjusted\n");
63
64 return 0;
65 }
66 #endif
67
68 #if !defined(CONFIG_SPL_BUILD)
checkboard(void)69 int checkboard(void)
70 {
71 char buf[64];
72 u8 sw;
73 static const char *const freq[] = {"100", "125", "156.25",
74 "100 separate SSCG"};
75 int clock;
76
77 #ifdef CONFIG_TARGET_LS1088AQDS
78 printf("Board: LS1088A-QDS, ");
79 #else
80 printf("Board: LS1088A-RDB, ");
81 #endif
82
83 sw = QIXIS_READ(arch);
84 printf("Board Arch: V%d, ", sw >> 4);
85
86 #ifdef CONFIG_TARGET_LS1088AQDS
87 printf("Board version: %c, boot from ", (sw & 0xf) + 'A' - 1);
88 #else
89 printf("Board version: %c, boot from ", (sw & 0xf) + 'A');
90 #endif
91
92 memset((u8 *)buf, 0x00, ARRAY_SIZE(buf));
93
94 sw = QIXIS_READ(brdcfg[0]);
95 sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
96
97 #ifdef CONFIG_SD_BOOT
98 puts("SD card\n");
99 #endif
100 switch (sw) {
101 #ifdef CONFIG_TARGET_LS1088AQDS
102 case 0:
103 case 1:
104 case 2:
105 case 3:
106 case 4:
107 case 5:
108 case 6:
109 case 7:
110 printf("vBank: %d\n", sw);
111 break;
112 case 8:
113 puts("PromJet\n");
114 break;
115 case 15:
116 puts("IFCCard\n");
117 break;
118 case 14:
119 #else
120 case 0:
121 #endif
122 puts("QSPI:");
123 sw = QIXIS_READ(brdcfg[0]);
124 sw = (sw & QIXIS_QMAP_MASK) >> QIXIS_QMAP_SHIFT;
125 if (sw == 0 || sw == 4)
126 puts("0\n");
127 else if (sw == 1)
128 puts("1\n");
129 else
130 puts("EMU\n");
131 break;
132
133 default:
134 printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
135 break;
136 }
137
138 #ifdef CONFIG_TARGET_LS1088AQDS
139 printf("FPGA: v%d (%s), build %d",
140 (int)QIXIS_READ(scver), qixis_read_tag(buf),
141 (int)qixis_read_minor());
142 /* the timestamp string contains "\n" at the end */
143 printf(" on %s", qixis_read_time(buf));
144 #else
145 printf("CPLD: v%d.%d\n", QIXIS_READ(scver), QIXIS_READ(tagdata));
146 #endif
147
148 /*
149 * Display the actual SERDES reference clocks as configured by the
150 * dip switches on the board. Note that the SWx registers could
151 * technically be set to force the reference clocks to match the
152 * values that the SERDES expects (or vice versa). For now, however,
153 * we just display both values and hope the user notices when they
154 * don't match.
155 */
156 puts("SERDES1 Reference : ");
157 sw = QIXIS_READ(brdcfg[2]);
158 clock = (sw >> 6) & 3;
159 printf("Clock1 = %sMHz ", freq[clock]);
160 clock = (sw >> 4) & 3;
161 printf("Clock2 = %sMHz", freq[clock]);
162
163 puts("\nSERDES2 Reference : ");
164 clock = (sw >> 2) & 3;
165 printf("Clock1 = %sMHz ", freq[clock]);
166 clock = (sw >> 0) & 3;
167 printf("Clock2 = %sMHz\n", freq[clock]);
168
169 return 0;
170 }
171
if_board_diff_clk(void)172 bool if_board_diff_clk(void)
173 {
174 #ifdef CONFIG_TARGET_LS1088AQDS
175 u8 diff_conf = QIXIS_READ(brdcfg[11]);
176 return diff_conf & 0x40;
177 #else
178 u8 diff_conf = QIXIS_READ(dutcfg[11]);
179 return diff_conf & 0x80;
180 #endif
181 }
182
get_board_sys_clk(void)183 unsigned long get_board_sys_clk(void)
184 {
185 u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
186
187 switch (sysclk_conf & 0x0f) {
188 case QIXIS_SYSCLK_83:
189 return 83333333;
190 case QIXIS_SYSCLK_100:
191 return 100000000;
192 case QIXIS_SYSCLK_125:
193 return 125000000;
194 case QIXIS_SYSCLK_133:
195 return 133333333;
196 case QIXIS_SYSCLK_150:
197 return 150000000;
198 case QIXIS_SYSCLK_160:
199 return 160000000;
200 case QIXIS_SYSCLK_166:
201 return 166666666;
202 }
203
204 return 66666666;
205 }
206
get_board_ddr_clk(void)207 unsigned long get_board_ddr_clk(void)
208 {
209 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
210
211 if (if_board_diff_clk())
212 return get_board_sys_clk();
213 switch ((ddrclk_conf & 0x30) >> 4) {
214 case QIXIS_DDRCLK_100:
215 return 100000000;
216 case QIXIS_DDRCLK_125:
217 return 125000000;
218 case QIXIS_DDRCLK_133:
219 return 133333333;
220 }
221
222 return 66666666;
223 }
224 #endif
225
select_i2c_ch_pca9547(u8 ch)226 int select_i2c_ch_pca9547(u8 ch)
227 {
228 int ret;
229
230 ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
231 if (ret) {
232 puts("PCA: failed to select proper channel\n");
233 return ret;
234 }
235
236 return 0;
237 }
238
239 #if !defined(CONFIG_SPL_BUILD)
board_retimer_init(void)240 void board_retimer_init(void)
241 {
242 u8 reg;
243
244 /* Retimer is connected to I2C1_CH5 */
245 select_i2c_ch_pca9547(I2C_MUX_CH5);
246
247 /* Access to Control/Shared register */
248 reg = 0x0;
249 i2c_write(I2C_RETIMER_ADDR, 0xff, 1, ®, 1);
250
251 /* Read device revision and ID */
252 i2c_read(I2C_RETIMER_ADDR, 1, 1, ®, 1);
253 debug("Retimer version id = 0x%x\n", reg);
254
255 /* Enable Broadcast. All writes target all channel register sets */
256 reg = 0x0c;
257 i2c_write(I2C_RETIMER_ADDR, 0xff, 1, ®, 1);
258
259 /* Reset Channel Registers */
260 i2c_read(I2C_RETIMER_ADDR, 0, 1, ®, 1);
261 reg |= 0x4;
262 i2c_write(I2C_RETIMER_ADDR, 0, 1, ®, 1);
263
264 /* Set data rate as 10.3125 Gbps */
265 reg = 0x90;
266 i2c_write(I2C_RETIMER_ADDR, 0x60, 1, ®, 1);
267 reg = 0xb3;
268 i2c_write(I2C_RETIMER_ADDR, 0x61, 1, ®, 1);
269 reg = 0x90;
270 i2c_write(I2C_RETIMER_ADDR, 0x62, 1, ®, 1);
271 reg = 0xb3;
272 i2c_write(I2C_RETIMER_ADDR, 0x63, 1, ®, 1);
273 reg = 0xcd;
274 i2c_write(I2C_RETIMER_ADDR, 0x64, 1, ®, 1);
275
276 /* Select VCO Divider to full rate (000) */
277 i2c_read(I2C_RETIMER_ADDR, 0x2F, 1, ®, 1);
278 reg &= 0x0f;
279 reg |= 0x70;
280 i2c_write(I2C_RETIMER_ADDR, 0x2F, 1, ®, 1);
281
282 #ifdef CONFIG_TARGET_LS1088AQDS
283 /* Retimer is connected to I2C1_CH5 */
284 select_i2c_ch_pca9547(I2C_MUX_CH5);
285
286 /* Access to Control/Shared register */
287 reg = 0x0;
288 i2c_write(I2C_RETIMER_ADDR2, 0xff, 1, ®, 1);
289
290 /* Read device revision and ID */
291 i2c_read(I2C_RETIMER_ADDR2, 1, 1, ®, 1);
292 debug("Retimer version id = 0x%x\n", reg);
293
294 /* Enable Broadcast. All writes target all channel register sets */
295 reg = 0x0c;
296 i2c_write(I2C_RETIMER_ADDR2, 0xff, 1, ®, 1);
297
298 /* Reset Channel Registers */
299 i2c_read(I2C_RETIMER_ADDR2, 0, 1, ®, 1);
300 reg |= 0x4;
301 i2c_write(I2C_RETIMER_ADDR2, 0, 1, ®, 1);
302
303 /* Set data rate as 10.3125 Gbps */
304 reg = 0x90;
305 i2c_write(I2C_RETIMER_ADDR2, 0x60, 1, ®, 1);
306 reg = 0xb3;
307 i2c_write(I2C_RETIMER_ADDR2, 0x61, 1, ®, 1);
308 reg = 0x90;
309 i2c_write(I2C_RETIMER_ADDR2, 0x62, 1, ®, 1);
310 reg = 0xb3;
311 i2c_write(I2C_RETIMER_ADDR2, 0x63, 1, ®, 1);
312 reg = 0xcd;
313 i2c_write(I2C_RETIMER_ADDR2, 0x64, 1, ®, 1);
314
315 /* Select VCO Divider to full rate (000) */
316 i2c_read(I2C_RETIMER_ADDR2, 0x2F, 1, ®, 1);
317 reg &= 0x0f;
318 reg |= 0x70;
319 i2c_write(I2C_RETIMER_ADDR2, 0x2F, 1, ®, 1);
320 #endif
321 /*return the default channel*/
322 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
323 }
324
325 #ifdef CONFIG_MISC_INIT_R
misc_init_r(void)326 int misc_init_r(void)
327 {
328 #ifdef CONFIG_TARGET_LS1088ARDB
329 u8 brdcfg5;
330
331 if (hwconfig("esdhc-force-sd")) {
332 brdcfg5 = QIXIS_READ(brdcfg[5]);
333 brdcfg5 &= ~BRDCFG5_SPISDHC_MASK;
334 brdcfg5 |= BRDCFG5_FORCE_SD;
335 QIXIS_WRITE(brdcfg[5], brdcfg5);
336 }
337 #endif
338 return 0;
339 }
340 #endif
341 #endif
342
i2c_multiplexer_select_vid_channel(u8 channel)343 int i2c_multiplexer_select_vid_channel(u8 channel)
344 {
345 return select_i2c_ch_pca9547(channel);
346 }
347
348 #ifdef CONFIG_TARGET_LS1088AQDS
349 /* read the current value(SVDD) of the LTM Regulator Voltage */
get_serdes_volt(void)350 int get_serdes_volt(void)
351 {
352 int ret, vcode = 0;
353 u8 chan = PWM_CHANNEL0;
354
355 /* Select the PAGE 0 using PMBus commands PAGE for VDD */
356 ret = i2c_write(I2C_SVDD_MONITOR_ADDR,
357 PMBUS_CMD_PAGE, 1, &chan, 1);
358 if (ret) {
359 printf("VID: failed to select VDD Page 0\n");
360 return ret;
361 }
362
363 /* Read the output voltage using PMBus command READ_VOUT */
364 ret = i2c_read(I2C_SVDD_MONITOR_ADDR,
365 PMBUS_CMD_READ_VOUT, 1, (void *)&vcode, 2);
366 if (ret) {
367 printf("VID: failed to read the volatge\n");
368 return ret;
369 }
370
371 return vcode;
372 }
373
set_serdes_volt(int svdd)374 int set_serdes_volt(int svdd)
375 {
376 int ret, vdd_last;
377 u8 buff[5] = {0x04, PWM_CHANNEL0, PMBUS_CMD_VOUT_COMMAND,
378 svdd & 0xFF, (svdd & 0xFF00) >> 8};
379
380 /* Write the desired voltage code to the SVDD regulator */
381 ret = i2c_write(I2C_SVDD_MONITOR_ADDR,
382 PMBUS_CMD_PAGE_PLUS_WRITE, 1, (void *)&buff, 5);
383 if (ret) {
384 printf("VID: I2C failed to write to the volatge regulator\n");
385 return -1;
386 }
387
388 /* Wait for the volatge to get to the desired value */
389 do {
390 vdd_last = get_serdes_volt();
391 if (vdd_last < 0) {
392 printf("VID: Couldn't read sensor abort VID adjust\n");
393 return -1;
394 }
395 } while (vdd_last != svdd);
396
397 return 1;
398 }
399 #else
get_serdes_volt(void)400 int get_serdes_volt(void)
401 {
402 return 0;
403 }
404
set_serdes_volt(int svdd)405 int set_serdes_volt(int svdd)
406 {
407 int ret;
408 u8 brdcfg4;
409
410 printf("SVDD changing of RDB\n");
411
412 /* Read the BRDCFG54 via CLPD */
413 ret = i2c_read(CONFIG_SYS_I2C_FPGA_ADDR,
414 QIXIS_BRDCFG4_OFFSET, 1, (void *)&brdcfg4, 1);
415 if (ret) {
416 printf("VID: I2C failed to read the CPLD BRDCFG4\n");
417 return -1;
418 }
419
420 brdcfg4 = brdcfg4 | 0x08;
421
422 /* Write to the BRDCFG4 */
423 ret = i2c_write(CONFIG_SYS_I2C_FPGA_ADDR,
424 QIXIS_BRDCFG4_OFFSET, 1, (void *)&brdcfg4, 1);
425 if (ret) {
426 debug("VID: I2C failed to set the SVDD CPLD BRDCFG4\n");
427 return -1;
428 }
429
430 /* Wait for the volatge to get to the desired value */
431 udelay(10000);
432
433 return 1;
434 }
435 #endif
436
437 /* this function disables the SERDES, changes the SVDD Voltage and enables it*/
board_adjust_vdd(int vdd)438 int board_adjust_vdd(int vdd)
439 {
440 int ret = 0;
441
442 debug("%s: vdd = %d\n", __func__, vdd);
443
444 /* Special settings to be performed when voltage is 900mV */
445 if (vdd == 900) {
446 ret = setup_serdes_volt(vdd);
447 if (ret < 0) {
448 ret = -1;
449 goto exit;
450 }
451 }
452 exit:
453 return ret;
454 }
455
456 #if !defined(CONFIG_SPL_BUILD)
board_init(void)457 int board_init(void)
458 {
459 init_final_memctl_regs();
460 #if defined(CONFIG_TARGET_LS1088ARDB) && defined(CONFIG_FSL_MC_ENET)
461 u32 __iomem *irq_ccsr = (u32 __iomem *)ISC_BASE;
462 #endif
463
464 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
465 board_retimer_init();
466
467 #ifdef CONFIG_ENV_IS_NOWHERE
468 gd->env_addr = (ulong)&default_environment[0];
469 #endif
470
471 #if defined(CONFIG_TARGET_LS1088ARDB) && defined(CONFIG_FSL_MC_ENET)
472 /* invert AQR105 IRQ pins polarity */
473 out_le32(irq_ccsr + IRQCR_OFFSET / 4, AQR105_IRQ_MASK);
474 #endif
475
476 #ifdef CONFIG_FSL_CAAM
477 sec_init();
478 #endif
479 #ifdef CONFIG_FSL_LS_PPA
480 ppa_init();
481 #endif
482 return 0;
483 }
484
detail_board_ddr_info(void)485 void detail_board_ddr_info(void)
486 {
487 puts("\nDDR ");
488 print_size(gd->bd->bi_dram[0].size + gd->bd->bi_dram[1].size, "");
489 print_ddr_info(0);
490 }
491
492 #if defined(CONFIG_ARCH_MISC_INIT)
arch_misc_init(void)493 int arch_misc_init(void)
494 {
495 return 0;
496 }
497 #endif
498
499 #ifdef CONFIG_FSL_MC_ENET
fdt_fixup_board_enet(void * fdt)500 void fdt_fixup_board_enet(void *fdt)
501 {
502 int offset;
503
504 offset = fdt_path_offset(fdt, "/fsl-mc");
505
506 if (offset < 0)
507 offset = fdt_path_offset(fdt, "/fsl,dprc@0");
508
509 if (offset < 0) {
510 printf("%s: ERROR: fsl-mc node not found in device tree (error %d)\n",
511 __func__, offset);
512 return;
513 }
514
515 if ((get_mc_boot_status() == 0) && (get_dpl_apply_status() == 0))
516 fdt_status_okay(fdt, offset);
517 else
518 fdt_status_fail(fdt, offset);
519 }
520 #endif
521
522 #ifdef CONFIG_OF_BOARD_SETUP
fsl_fdt_fixup_flash(void * fdt)523 void fsl_fdt_fixup_flash(void *fdt)
524 {
525 int offset;
526
527 /*
528 * IFC-NOR and QSPI are muxed on SoC.
529 * So disable IFC node in dts if QSPI is enabled or
530 * disable QSPI node in dts in case QSPI is not enabled.
531 */
532
533 #ifdef CONFIG_FSL_QSPI
534 offset = fdt_path_offset(fdt, "/soc/ifc/nor");
535
536 if (offset < 0)
537 offset = fdt_path_offset(fdt, "/ifc/nor");
538 #else
539 offset = fdt_path_offset(fdt, "/soc/quadspi");
540
541 if (offset < 0)
542 offset = fdt_path_offset(fdt, "/quadspi");
543 #endif
544 if (offset < 0)
545 return;
546
547 fdt_status_disabled(fdt, offset);
548 }
549
ft_board_setup(void * blob,bd_t * bd)550 int ft_board_setup(void *blob, bd_t *bd)
551 {
552 int err, i;
553 u64 base[CONFIG_NR_DRAM_BANKS];
554 u64 size[CONFIG_NR_DRAM_BANKS];
555
556 ft_cpu_setup(blob, bd);
557
558 /* fixup DT for the two GPP DDR banks */
559 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
560 base[i] = gd->bd->bi_dram[i].start;
561 size[i] = gd->bd->bi_dram[i].size;
562 }
563
564 #ifdef CONFIG_RESV_RAM
565 /* reduce size if reserved memory is within this bank */
566 if (gd->arch.resv_ram >= base[0] &&
567 gd->arch.resv_ram < base[0] + size[0])
568 size[0] = gd->arch.resv_ram - base[0];
569 else if (gd->arch.resv_ram >= base[1] &&
570 gd->arch.resv_ram < base[1] + size[1])
571 size[1] = gd->arch.resv_ram - base[1];
572 #endif
573
574 fdt_fixup_memory_banks(blob, base, size, CONFIG_NR_DRAM_BANKS);
575
576 fsl_fdt_fixup_flash(blob);
577
578 #ifdef CONFIG_FSL_MC_ENET
579 fdt_fixup_board_enet(blob);
580 err = fsl_mc_ldpaa_exit(bd);
581 if (err)
582 return err;
583 #endif
584
585 return 0;
586 }
587 #endif
588 #endif /* defined(CONFIG_SPL_BUILD) */
589