1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2015 Freescale Semiconductor, Inc.
4  * Copyright 2019-2020 NXP
5  */
6 
7 #include <common.h>
8 #include <i2c.h>
9 #include <fdt_support.h>
10 #include <fsl_ddr_sdram.h>
11 #include <init.h>
12 #include <log.h>
13 #include <asm/global_data.h>
14 #include <asm/io.h>
15 #include <asm/arch/clock.h>
16 #include <asm/arch/fsl_serdes.h>
17 #include <asm/arch/ppa.h>
18 #include <asm/arch/fdt.h>
19 #include <asm/arch/mmu.h>
20 #include <asm/arch/cpu.h>
21 #include <asm/arch/soc.h>
22 #include <asm/arch-fsl-layerscape/fsl_icid.h>
23 #include <ahci.h>
24 #include <hwconfig.h>
25 #include <mmc.h>
26 #include <scsi.h>
27 #include <fm_eth.h>
28 #include <fsl_esdhc.h>
29 #include <fsl_ifc.h>
30 #include <spl.h>
31 #include "../common/i2c_mux.h"
32 
33 #include "../common/qixis.h"
34 #include "ls1043aqds_qixis.h"
35 
36 DECLARE_GLOBAL_DATA_PTR;
37 
38 enum {
39 	MUX_TYPE_GPIO,
40 };
41 
42 /* LS1043AQDS serdes mux */
43 #define CFG_SD_MUX1_SLOT2	0x0 /* SLOT2 TX/RX0 */
44 #define CFG_SD_MUX1_SLOT1	0x1 /* SLOT1 TX/RX1 */
45 #define CFG_SD_MUX2_SLOT3	0x0 /* SLOT3 TX/RX0 */
46 #define CFG_SD_MUX2_SLOT1	0x1 /* SLOT1 TX/RX2 */
47 #define CFG_SD_MUX3_SLOT4	0x0 /* SLOT4 TX/RX0 */
48 #define CFG_SD_MUX3_MUX4	0x1 /* MUX4 */
49 #define CFG_SD_MUX4_SLOT3	0x0 /* SLOT3 TX/RX1 */
50 #define CFG_SD_MUX4_SLOT1	0x1 /* SLOT1 TX/RX3 */
51 #define CFG_UART_MUX_MASK	0x6
52 #define CFG_UART_MUX_SHIFT	1
53 #define CFG_LPUART_EN		0x1
54 
55 #ifdef CONFIG_TFABOOT
56 struct ifc_regs ifc_cfg_nor_boot[CONFIG_SYS_FSL_IFC_BANK_COUNT] = {
57 	{
58 		"nor0",
59 		CONFIG_SYS_NOR0_CSPR,
60 		CONFIG_SYS_NOR0_CSPR_EXT,
61 		CONFIG_SYS_NOR_AMASK,
62 		CONFIG_SYS_NOR_CSOR,
63 		{
64 			CONFIG_SYS_NOR_FTIM0,
65 			CONFIG_SYS_NOR_FTIM1,
66 			CONFIG_SYS_NOR_FTIM2,
67 			CONFIG_SYS_NOR_FTIM3
68 		},
69 
70 	},
71 	{
72 		"nor1",
73 		CONFIG_SYS_NOR1_CSPR,
74 		CONFIG_SYS_NOR1_CSPR_EXT,
75 		CONFIG_SYS_NOR_AMASK,
76 		CONFIG_SYS_NOR_CSOR,
77 		{
78 			CONFIG_SYS_NOR_FTIM0,
79 			CONFIG_SYS_NOR_FTIM1,
80 			CONFIG_SYS_NOR_FTIM2,
81 			CONFIG_SYS_NOR_FTIM3
82 		},
83 	},
84 	{
85 		"nand",
86 		CONFIG_SYS_NAND_CSPR,
87 		CONFIG_SYS_NAND_CSPR_EXT,
88 		CONFIG_SYS_NAND_AMASK,
89 		CONFIG_SYS_NAND_CSOR,
90 		{
91 			CONFIG_SYS_NAND_FTIM0,
92 			CONFIG_SYS_NAND_FTIM1,
93 			CONFIG_SYS_NAND_FTIM2,
94 			CONFIG_SYS_NAND_FTIM3
95 		},
96 	},
97 	{
98 		"fpga",
99 		CONFIG_SYS_FPGA_CSPR,
100 		CONFIG_SYS_FPGA_CSPR_EXT,
101 		CONFIG_SYS_FPGA_AMASK,
102 		CONFIG_SYS_FPGA_CSOR,
103 		{
104 			CONFIG_SYS_FPGA_FTIM0,
105 			CONFIG_SYS_FPGA_FTIM1,
106 			CONFIG_SYS_FPGA_FTIM2,
107 			CONFIG_SYS_FPGA_FTIM3
108 		},
109 	}
110 };
111 
112 struct ifc_regs ifc_cfg_nand_boot[CONFIG_SYS_FSL_IFC_BANK_COUNT] = {
113 	{
114 		"nand",
115 		CONFIG_SYS_NAND_CSPR,
116 		CONFIG_SYS_NAND_CSPR_EXT,
117 		CONFIG_SYS_NAND_AMASK,
118 		CONFIG_SYS_NAND_CSOR,
119 		{
120 			CONFIG_SYS_NAND_FTIM0,
121 			CONFIG_SYS_NAND_FTIM1,
122 			CONFIG_SYS_NAND_FTIM2,
123 			CONFIG_SYS_NAND_FTIM3
124 		},
125 	},
126 	{
127 		"nor0",
128 		CONFIG_SYS_NOR0_CSPR,
129 		CONFIG_SYS_NOR0_CSPR_EXT,
130 		CONFIG_SYS_NOR_AMASK,
131 		CONFIG_SYS_NOR_CSOR,
132 		{
133 			CONFIG_SYS_NOR_FTIM0,
134 			CONFIG_SYS_NOR_FTIM1,
135 			CONFIG_SYS_NOR_FTIM2,
136 			CONFIG_SYS_NOR_FTIM3
137 		},
138 	},
139 	{
140 		"nor1",
141 		CONFIG_SYS_NOR1_CSPR,
142 		CONFIG_SYS_NOR1_CSPR_EXT,
143 		CONFIG_SYS_NOR_AMASK,
144 		CONFIG_SYS_NOR_CSOR,
145 		{
146 			CONFIG_SYS_NOR_FTIM0,
147 			CONFIG_SYS_NOR_FTIM1,
148 			CONFIG_SYS_NOR_FTIM2,
149 			CONFIG_SYS_NOR_FTIM3
150 		},
151 	},
152 	{
153 		"fpga",
154 		CONFIG_SYS_FPGA_CSPR,
155 		CONFIG_SYS_FPGA_CSPR_EXT,
156 		CONFIG_SYS_FPGA_AMASK,
157 		CONFIG_SYS_FPGA_CSOR,
158 		{
159 			CONFIG_SYS_FPGA_FTIM0,
160 			CONFIG_SYS_FPGA_FTIM1,
161 			CONFIG_SYS_FPGA_FTIM2,
162 			CONFIG_SYS_FPGA_FTIM3
163 		},
164 	}
165 };
166 
ifc_cfg_boot_info(struct ifc_regs_info * regs_info)167 void ifc_cfg_boot_info(struct ifc_regs_info *regs_info)
168 {
169 	enum boot_src src = get_boot_src();
170 
171 	if (src == BOOT_SOURCE_IFC_NAND)
172 		regs_info->regs = ifc_cfg_nand_boot;
173 	else
174 		regs_info->regs = ifc_cfg_nor_boot;
175 	regs_info->cs_size = CONFIG_SYS_FSL_IFC_BANK_COUNT;
176 }
177 #endif
178 
checkboard(void)179 int checkboard(void)
180 {
181 #ifdef CONFIG_TFABOOT
182 	enum boot_src src = get_boot_src();
183 #endif
184 	char buf[64];
185 #ifndef CONFIG_SD_BOOT
186 	u8 sw;
187 #endif
188 
189 	puts("Board: LS1043AQDS, boot from ");
190 
191 #ifdef CONFIG_TFABOOT
192 	if (src == BOOT_SOURCE_SD_MMC)
193 		puts("SD\n");
194 	else {
195 #endif
196 
197 #ifdef CONFIG_SD_BOOT
198 	puts("SD\n");
199 #else
200 	sw = QIXIS_READ(brdcfg[0]);
201 	sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
202 
203 	if (sw < 0x8)
204 		printf("vBank: %d\n", sw);
205 	else if (sw == 0x8)
206 		puts("PromJet\n");
207 	else if (sw == 0x9)
208 		puts("NAND\n");
209 	else if (sw == 0xF)
210 		printf("QSPI\n");
211 	else
212 		printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
213 #endif
214 
215 #ifdef CONFIG_TFABOOT
216 	}
217 #endif
218 	printf("Sys ID: 0x%02x, Sys Ver: 0x%02x\n",
219 	       QIXIS_READ(id), QIXIS_READ(arch));
220 
221 	printf("FPGA:  v%d (%s), build %d\n",
222 	       (int)QIXIS_READ(scver), qixis_read_tag(buf),
223 	       (int)qixis_read_minor());
224 
225 	return 0;
226 }
227 
if_board_diff_clk(void)228 bool if_board_diff_clk(void)
229 {
230 	u8 diff_conf = QIXIS_READ(brdcfg[11]);
231 
232 	return diff_conf & 0x40;
233 }
234 
get_board_sys_clk(void)235 unsigned long get_board_sys_clk(void)
236 {
237 	u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
238 
239 	switch (sysclk_conf & 0x0f) {
240 	case QIXIS_SYSCLK_64:
241 		return 64000000;
242 	case QIXIS_SYSCLK_83:
243 		return 83333333;
244 	case QIXIS_SYSCLK_100:
245 		return 100000000;
246 	case QIXIS_SYSCLK_125:
247 		return 125000000;
248 	case QIXIS_SYSCLK_133:
249 		return 133333333;
250 	case QIXIS_SYSCLK_150:
251 		return 150000000;
252 	case QIXIS_SYSCLK_160:
253 		return 160000000;
254 	case QIXIS_SYSCLK_166:
255 		return 166666666;
256 	}
257 
258 	return 66666666;
259 }
260 
get_board_ddr_clk(void)261 unsigned long get_board_ddr_clk(void)
262 {
263 	u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
264 
265 	if (if_board_diff_clk())
266 		return get_board_sys_clk();
267 	switch ((ddrclk_conf & 0x30) >> 4) {
268 	case QIXIS_DDRCLK_100:
269 		return 100000000;
270 	case QIXIS_DDRCLK_125:
271 		return 125000000;
272 	case QIXIS_DDRCLK_133:
273 		return 133333333;
274 	}
275 
276 	return 66666666;
277 }
278 
dram_init(void)279 int dram_init(void)
280 {
281 	/*
282 	 * When resuming from deep sleep, the I2C channel may not be
283 	 * in the default channel. So, switch to the default channel
284 	 * before accessing DDR SPD.
285 	 *
286 	 * PCA9547 mount on I2C1 bus
287 	 */
288 	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
289 	fsl_initdram();
290 #if (!defined(CONFIG_SPL) && !defined(CONFIG_TFABOOT)) || \
291 	defined(CONFIG_SPL_BUILD)
292 	/* This will break-before-make MMU for DDR */
293 	update_early_mmu_table();
294 #endif
295 
296 	return 0;
297 }
298 
i2c_multiplexer_select_vid_channel(u8 channel)299 int i2c_multiplexer_select_vid_channel(u8 channel)
300 {
301 	return select_i2c_ch_pca9547(channel, 0);
302 }
303 
board_retimer_init(void)304 void board_retimer_init(void)
305 {
306 	u8 reg;
307 	int bus_num = 0;
308 
309 	/* Retimer is connected to I2C1_CH7_CH5 */
310 	select_i2c_ch_pca9547(I2C_MUX_CH7, bus_num);
311 	reg = I2C_MUX_CH5;
312 #if CONFIG_IS_ENABLED(DM_I2C)
313 	struct udevice *dev;
314 	int ret;
315 
316 	ret = i2c_get_chip_for_busnum(bus_num, I2C_MUX_PCA_ADDR_SEC,
317 				      1, &dev);
318 	if (ret) {
319 		printf("%s: Cannot find udev for a bus %d\n", __func__,
320 		       bus_num);
321 		return;
322 	}
323 	dm_i2c_write(dev, 0, &reg, 1);
324 
325 	/* Access to Control/Shared register */
326 	ret = i2c_get_chip_for_busnum(bus_num, I2C_RETIMER_ADDR,
327 				      1, &dev);
328 	if (ret) {
329 		printf("%s: Cannot find udev for a bus %d\n", __func__,
330 		       bus_num);
331 		return;
332 	}
333 
334 	reg = 0x0;
335 	dm_i2c_write(dev, 0xff, &reg, 1);
336 
337 	/* Read device revision and ID */
338 	dm_i2c_read(dev, 1, &reg, 1);
339 	debug("Retimer version id = 0x%x\n", reg);
340 
341 	/* Enable Broadcast. All writes target all channel register sets */
342 	reg = 0x0c;
343 	dm_i2c_write(dev, 0xff, &reg, 1);
344 
345 	/* Reset Channel Registers */
346 	dm_i2c_read(dev, 0, &reg, 1);
347 	reg |= 0x4;
348 	dm_i2c_write(dev, 0, &reg, 1);
349 
350 	/* Enable override divider select and Enable Override Output Mux */
351 	dm_i2c_read(dev, 9, &reg, 1);
352 	reg |= 0x24;
353 	dm_i2c_write(dev, 9, &reg, 1);
354 
355 	/* Select VCO Divider to full rate (000) */
356 	dm_i2c_read(dev, 0x18, &reg, 1);
357 	reg &= 0x8f;
358 	dm_i2c_write(dev, 0x18, &reg, 1);
359 
360 	/* Selects active PFD MUX Input as Re-timed Data (001) */
361 	dm_i2c_read(dev, 0x1e, &reg, 1);
362 	reg &= 0x3f;
363 	reg |= 0x20;
364 	dm_i2c_write(dev, 0x1e, &reg, 1);
365 
366 	/* Set data rate as 10.3125 Gbps */
367 	reg = 0x0;
368 	dm_i2c_write(dev, 0x60, &reg, 1);
369 	reg = 0xb2;
370 	dm_i2c_write(dev, 0x61, &reg, 1);
371 	reg = 0x90;
372 	dm_i2c_write(dev, 0x62, &reg, 1);
373 	reg = 0xb3;
374 	dm_i2c_write(dev, 0x63, &reg, 1);
375 	reg = 0xcd;
376 	dm_i2c_write(dev, 0x64, &reg, 1);
377 #else
378 	i2c_write(I2C_MUX_PCA_ADDR_SEC, 0, 1, &reg, 1);
379 
380 	/* Access to Control/Shared register */
381 	reg = 0x0;
382 	i2c_write(I2C_RETIMER_ADDR, 0xff, 1, &reg, 1);
383 
384 	/* Read device revision and ID */
385 	i2c_read(I2C_RETIMER_ADDR, 1, 1, &reg, 1);
386 	debug("Retimer version id = 0x%x\n", reg);
387 
388 	/* Enable Broadcast. All writes target all channel register sets */
389 	reg = 0x0c;
390 	i2c_write(I2C_RETIMER_ADDR, 0xff, 1, &reg, 1);
391 
392 	/* Reset Channel Registers */
393 	i2c_read(I2C_RETIMER_ADDR, 0, 1, &reg, 1);
394 	reg |= 0x4;
395 	i2c_write(I2C_RETIMER_ADDR, 0, 1, &reg, 1);
396 
397 	/* Enable override divider select and Enable Override Output Mux */
398 	i2c_read(I2C_RETIMER_ADDR, 9, 1, &reg, 1);
399 	reg |= 0x24;
400 	i2c_write(I2C_RETIMER_ADDR, 9, 1, &reg, 1);
401 
402 	/* Select VCO Divider to full rate (000) */
403 	i2c_read(I2C_RETIMER_ADDR, 0x18, 1, &reg, 1);
404 	reg &= 0x8f;
405 	i2c_write(I2C_RETIMER_ADDR, 0x18, 1, &reg, 1);
406 
407 	/* Selects active PFD MUX Input as Re-timed Data (001) */
408 	i2c_read(I2C_RETIMER_ADDR, 0x1e, 1, &reg, 1);
409 	reg &= 0x3f;
410 	reg |= 0x20;
411 	i2c_write(I2C_RETIMER_ADDR, 0x1e, 1, &reg, 1);
412 
413 	/* Set data rate as 10.3125 Gbps */
414 	reg = 0x0;
415 	i2c_write(I2C_RETIMER_ADDR, 0x60, 1, &reg, 1);
416 	reg = 0xb2;
417 	i2c_write(I2C_RETIMER_ADDR, 0x61, 1, &reg, 1);
418 	reg = 0x90;
419 	i2c_write(I2C_RETIMER_ADDR, 0x62, 1, &reg, 1);
420 	reg = 0xb3;
421 	i2c_write(I2C_RETIMER_ADDR, 0x63, 1, &reg, 1);
422 	reg = 0xcd;
423 	i2c_write(I2C_RETIMER_ADDR, 0x64, 1, &reg, 1);
424 #endif
425 
426 	/* Return the default channel */
427 	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, bus_num);
428 }
429 
board_early_init_f(void)430 int board_early_init_f(void)
431 {
432 	u32 __iomem *cntcr = (u32 *)CONFIG_SYS_FSL_TIMER_ADDR;
433 #ifdef CONFIG_HAS_FSL_XHCI_USB
434 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
435 	u32 usb_pwrfault;
436 #endif
437 #ifdef CONFIG_LPUART
438 	u8 uart;
439 #endif
440 
441 	/*
442 	 * Enable secure system counter for timer
443 	 */
444 	out_le32(cntcr, 0x1);
445 
446 #if defined(CONFIG_SYS_I2C_EARLY_INIT)
447 	i2c_early_init_f();
448 #endif
449 	fsl_lsch2_early_init_f();
450 
451 #ifdef CONFIG_HAS_FSL_XHCI_USB
452 	out_be32(&scfg->rcwpmuxcr0, 0x3333);
453 	out_be32(&scfg->usbdrvvbus_selcr, SCFG_USBDRVVBUS_SELCR_USB1);
454 	usb_pwrfault =
455 		(SCFG_USBPWRFAULT_DEDICATED << SCFG_USBPWRFAULT_USB3_SHIFT) |
456 		(SCFG_USBPWRFAULT_DEDICATED << SCFG_USBPWRFAULT_USB2_SHIFT) |
457 		(SCFG_USBPWRFAULT_SHARED << SCFG_USBPWRFAULT_USB1_SHIFT);
458 	out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault);
459 #endif
460 
461 #ifdef CONFIG_LPUART
462 	/* We use lpuart0 as system console */
463 	uart = QIXIS_READ(brdcfg[14]);
464 	uart &= ~CFG_UART_MUX_MASK;
465 	uart |= CFG_LPUART_EN << CFG_UART_MUX_SHIFT;
466 	QIXIS_WRITE(brdcfg[14], uart);
467 #endif
468 
469 	return 0;
470 }
471 
472 #ifdef CONFIG_FSL_DEEP_SLEEP
473 /* determine if it is a warm boot */
is_warm_boot(void)474 bool is_warm_boot(void)
475 {
476 #define DCFG_CCSR_CRSTSR_WDRFR	(1 << 3)
477 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
478 
479 	if (in_be32(&gur->crstsr) & DCFG_CCSR_CRSTSR_WDRFR)
480 		return 1;
481 
482 	return 0;
483 }
484 #endif
485 
config_board_mux(int ctrl_type)486 int config_board_mux(int ctrl_type)
487 {
488 	u8 reg14;
489 
490 	reg14 = QIXIS_READ(brdcfg[14]);
491 
492 	switch (ctrl_type) {
493 	case MUX_TYPE_GPIO:
494 		reg14 = (reg14 & (~0x30)) | 0x20;
495 		break;
496 	default:
497 		puts("Unsupported mux interface type\n");
498 		return -1;
499 	}
500 
501 	QIXIS_WRITE(brdcfg[14], reg14);
502 
503 	return 0;
504 }
505 
config_serdes_mux(void)506 int config_serdes_mux(void)
507 {
508 	return 0;
509 }
510 
511 
512 #ifdef CONFIG_MISC_INIT_R
misc_init_r(void)513 int misc_init_r(void)
514 {
515 	if (hwconfig("gpio"))
516 		config_board_mux(MUX_TYPE_GPIO);
517 
518 	return 0;
519 }
520 #endif
521 
board_init(void)522 int board_init(void)
523 {
524 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315
525 	erratum_a010315();
526 #endif
527 
528 	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
529 	board_retimer_init();
530 
531 #ifdef CONFIG_SYS_FSL_SERDES
532 	config_serdes_mux();
533 #endif
534 
535 #ifdef CONFIG_FSL_LS_PPA
536 	ppa_init();
537 #endif
538 
539 	return 0;
540 }
541 
542 #ifdef CONFIG_OF_BOARD_SETUP
ft_board_setup(void * blob,struct bd_info * bd)543 int ft_board_setup(void *blob, struct bd_info *bd)
544 {
545 	u64 base[CONFIG_NR_DRAM_BANKS];
546 	u64 size[CONFIG_NR_DRAM_BANKS];
547 	u8 reg;
548 
549 	/* fixup DT for the two DDR banks */
550 	base[0] = gd->bd->bi_dram[0].start;
551 	size[0] = gd->bd->bi_dram[0].size;
552 	base[1] = gd->bd->bi_dram[1].start;
553 	size[1] = gd->bd->bi_dram[1].size;
554 
555 	fdt_fixup_memory_banks(blob, base, size, 2);
556 	ft_cpu_setup(blob, bd);
557 
558 #ifdef CONFIG_SYS_DPAA_FMAN
559 #ifndef CONFIG_DM_ETH
560 	fdt_fixup_fman_ethernet(blob);
561 #endif
562 	fdt_fixup_board_enet(blob);
563 #endif
564 
565 	fdt_fixup_icid(blob);
566 
567 	reg = QIXIS_READ(brdcfg[0]);
568 	reg = (reg & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
569 
570 	/* Disable IFC if QSPI is enabled */
571 	if (reg == 0xF)
572 		do_fixup_by_compat(blob, "fsl,ifc",
573 				   "status", "disabled", 8 + 1, 1);
574 
575 	return 0;
576 }
577 #endif
578 
flash_read8(void * addr)579 u8 flash_read8(void *addr)
580 {
581 	return __raw_readb(addr + 1);
582 }
583 
flash_write16(u16 val,void * addr)584 void flash_write16(u16 val, void *addr)
585 {
586 	u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
587 
588 	__raw_writew(shftval, addr);
589 }
590 
flash_read16(void * addr)591 u16 flash_read16(void *addr)
592 {
593 	u16 val = __raw_readw(addr);
594 
595 	return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
596 }
597 
598 #if defined(CONFIG_TFABOOT) && defined(CONFIG_ENV_IS_IN_SPI_FLASH)
env_sf_get_env_addr(void)599 void *env_sf_get_env_addr(void)
600 {
601 	return (void *)(CONFIG_SYS_FSL_QSPI_BASE + CONFIG_ENV_OFFSET);
602 }
603 #endif
604