1 /*
2  * Copyright 2014 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <i2c.h>
9 #include <asm/io.h>
10 #include <asm/arch/immap_ls102xa.h>
11 #include <asm/arch/ns_access.h>
12 #include <asm/arch/clock.h>
13 #include <asm/arch/fsl_serdes.h>
14 #include <asm/arch/ls102xa_stream_id.h>
15 #include <asm/pcie_layerscape.h>
16 #include <hwconfig.h>
17 #include <mmc.h>
18 #include <fsl_esdhc.h>
19 #include <fsl_ifc.h>
20 #include <fsl_sec.h>
21 #include <spl.h>
22 
23 #include "../common/qixis.h"
24 #include "ls1021aqds_qixis.h"
25 #ifdef CONFIG_U_QE
26 #include "../../../drivers/qe/qe.h"
27 #endif
28 
29 #define PIN_MUX_SEL_CAN		0x03
30 #define PIN_MUX_SEL_IIC2	0xa0
31 #define PIN_MUX_SEL_RGMII	0x00
32 #define PIN_MUX_SEL_SAI		0x0c
33 #define PIN_MUX_SEL_SDHC	0x00
34 
35 #define SET_SDHC_MUX_SEL(reg, value)	((reg & 0x0f) | value)
36 #define SET_EC_MUX_SEL(reg, value)	((reg & 0xf0) | value)
37 DECLARE_GLOBAL_DATA_PTR;
38 
39 enum {
40 	MUX_TYPE_CAN,
41 	MUX_TYPE_IIC2,
42 	MUX_TYPE_RGMII,
43 	MUX_TYPE_SAI,
44 	MUX_TYPE_SDHC,
45 	MUX_TYPE_SD_PCI4,
46 	MUX_TYPE_SD_PC_SA_SG_SG,
47 	MUX_TYPE_SD_PC_SA_PC_SG,
48 	MUX_TYPE_SD_PC_SG_SG,
49 };
50 
51 int checkboard(void)
52 {
53 #ifndef CONFIG_QSPI_BOOT
54 	char buf[64];
55 #endif
56 #if !defined(CONFIG_SD_BOOT) && !defined(CONFIG_QSPI_BOOT)
57 	u8 sw;
58 #endif
59 
60 	puts("Board: LS1021AQDS\n");
61 
62 #ifdef CONFIG_SD_BOOT
63 	puts("SD\n");
64 #elif CONFIG_QSPI_BOOT
65 	puts("QSPI\n");
66 #else
67 	sw = QIXIS_READ(brdcfg[0]);
68 	sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
69 
70 	if (sw < 0x8)
71 		printf("vBank: %d\n", sw);
72 	else if (sw == 0x8)
73 		puts("PromJet\n");
74 	else if (sw == 0x9)
75 		puts("NAND\n");
76 	else if (sw == 0x15)
77 		printf("IFCCard\n");
78 	else
79 		printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
80 #endif
81 
82 #ifndef CONFIG_QSPI_BOOT
83 	printf("Sys ID:0x%02x, Sys Ver: 0x%02x\n",
84 	       QIXIS_READ(id), QIXIS_READ(arch));
85 
86 	printf("FPGA:  v%d (%s), build %d\n",
87 	       (int)QIXIS_READ(scver), qixis_read_tag(buf),
88 	       (int)qixis_read_minor());
89 #endif
90 
91 	return 0;
92 }
93 
94 unsigned long get_board_sys_clk(void)
95 {
96 	u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
97 
98 	switch (sysclk_conf & 0x0f) {
99 	case QIXIS_SYSCLK_64:
100 		return 64000000;
101 	case QIXIS_SYSCLK_83:
102 		return 83333333;
103 	case QIXIS_SYSCLK_100:
104 		return 100000000;
105 	case QIXIS_SYSCLK_125:
106 		return 125000000;
107 	case QIXIS_SYSCLK_133:
108 		return 133333333;
109 	case QIXIS_SYSCLK_150:
110 		return 150000000;
111 	case QIXIS_SYSCLK_160:
112 		return 160000000;
113 	case QIXIS_SYSCLK_166:
114 		return 166666666;
115 	}
116 	return 66666666;
117 }
118 
119 unsigned long get_board_ddr_clk(void)
120 {
121 	u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
122 
123 	switch ((ddrclk_conf & 0x30) >> 4) {
124 	case QIXIS_DDRCLK_100:
125 		return 100000000;
126 	case QIXIS_DDRCLK_125:
127 		return 125000000;
128 	case QIXIS_DDRCLK_133:
129 		return 133333333;
130 	}
131 	return 66666666;
132 }
133 
134 int select_i2c_ch_pca9547(u8 ch)
135 {
136 	int ret;
137 
138 	ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
139 	if (ret) {
140 		puts("PCA: failed to select proper channel\n");
141 		return ret;
142 	}
143 
144 	return 0;
145 }
146 
147 int dram_init(void)
148 {
149 	/*
150 	 * When resuming from deep sleep, the I2C channel may not be
151 	 * in the default channel. So, switch to the default channel
152 	 * before accessing DDR SPD.
153 	 */
154 	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
155 	gd->ram_size = initdram(0);
156 
157 	return 0;
158 }
159 
160 #ifdef CONFIG_FSL_ESDHC
161 struct fsl_esdhc_cfg esdhc_cfg[1] = {
162 	{CONFIG_SYS_FSL_ESDHC_ADDR},
163 };
164 
165 int board_mmc_init(bd_t *bis)
166 {
167 	esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
168 
169 	return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
170 }
171 #endif
172 
173 int board_early_init_f(void)
174 {
175 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
176 	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
177 
178 #ifdef CONFIG_TSEC_ENET
179 	out_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
180 	out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125);
181 #endif
182 
183 #ifdef CONFIG_FSL_IFC
184 	init_early_memctl_regs();
185 #endif
186 
187 #ifdef CONFIG_FSL_QSPI
188 	out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
189 #endif
190 
191 	/* Workaround for the issue that DDR could not respond to
192 	 * barrier transaction which is generated by executing DSB/ISB
193 	 * instruction. Set CCI-400 control override register to
194 	 * terminate the barrier transaction. After DDR is initialized,
195 	 * allow barrier transaction to DDR again */
196 	out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
197 
198 	return 0;
199 }
200 
201 #ifdef CONFIG_SPL_BUILD
202 void board_init_f(ulong dummy)
203 {
204 	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
205 
206 #ifdef CONFIG_NAND_BOOT
207 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
208 	u32 porsr1, pinctl;
209 
210 	/*
211 	 * There is LS1 SoC issue where NOR, FPGA are inaccessible during
212 	 * NAND boot because IFC signals > IFC_AD7 are not enabled.
213 	 * This workaround changes RCW source to make all signals enabled.
214 	 */
215 	porsr1 = in_be32(&gur->porsr1);
216 	pinctl = ((porsr1 & ~(DCFG_CCSR_PORSR1_RCW_MASK)) |
217 		 DCFG_CCSR_PORSR1_RCW_SRC_I2C);
218 	out_be32((unsigned int *)(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_PORCR1),
219 		 pinctl);
220 #endif
221 
222 	/* Set global data pointer */
223 	gd = &gdata;
224 
225 	/* Clear the BSS */
226 	memset(__bss_start, 0, __bss_end - __bss_start);
227 
228 #ifdef CONFIG_FSL_IFC
229 	init_early_memctl_regs();
230 #endif
231 
232 	get_clocks();
233 
234 	preloader_console_init();
235 
236 #ifdef CONFIG_SPL_I2C_SUPPORT
237 	i2c_init_all();
238 #endif
239 	out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
240 
241 	dram_init();
242 
243 	board_init_r(NULL, 0);
244 }
245 #endif
246 
247 int config_board_mux(int ctrl_type)
248 {
249 	u8 reg12, reg14;
250 
251 	reg12 = QIXIS_READ(brdcfg[12]);
252 	reg14 = QIXIS_READ(brdcfg[14]);
253 
254 	switch (ctrl_type) {
255 	case MUX_TYPE_CAN:
256 		reg14 = SET_EC_MUX_SEL(reg14, PIN_MUX_SEL_CAN);
257 		break;
258 	case MUX_TYPE_IIC2:
259 		reg14 = SET_SDHC_MUX_SEL(reg14, PIN_MUX_SEL_IIC2);
260 		break;
261 	case MUX_TYPE_RGMII:
262 		reg14 = SET_EC_MUX_SEL(reg14, PIN_MUX_SEL_RGMII);
263 		break;
264 	case MUX_TYPE_SAI:
265 		reg14 = SET_EC_MUX_SEL(reg14, PIN_MUX_SEL_SAI);
266 		break;
267 	case MUX_TYPE_SDHC:
268 		reg14 = SET_SDHC_MUX_SEL(reg14, PIN_MUX_SEL_SDHC);
269 		break;
270 	case MUX_TYPE_SD_PCI4:
271 		reg12 = 0x38;
272 		break;
273 	case MUX_TYPE_SD_PC_SA_SG_SG:
274 		reg12 = 0x01;
275 		break;
276 	case MUX_TYPE_SD_PC_SA_PC_SG:
277 		reg12 = 0x01;
278 		break;
279 	case MUX_TYPE_SD_PC_SG_SG:
280 		reg12 = 0x21;
281 		break;
282 	default:
283 		printf("Wrong mux interface type\n");
284 		return -1;
285 	}
286 
287 	QIXIS_WRITE(brdcfg[12], reg12);
288 	QIXIS_WRITE(brdcfg[14], reg14);
289 
290 	return 0;
291 }
292 
293 int config_serdes_mux(void)
294 {
295 	struct ccsr_gur *gur = (struct ccsr_gur *)CONFIG_SYS_FSL_GUTS_ADDR;
296 	u32 cfg;
297 
298 	cfg = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK;
299 	cfg >>= RCWSR4_SRDS1_PRTCL_SHIFT;
300 
301 	switch (cfg) {
302 	case 0x0:
303 		config_board_mux(MUX_TYPE_SD_PCI4);
304 		break;
305 	case 0x30:
306 		config_board_mux(MUX_TYPE_SD_PC_SA_SG_SG);
307 		break;
308 	case 0x60:
309 		config_board_mux(MUX_TYPE_SD_PC_SG_SG);
310 		break;
311 	case 0x70:
312 		config_board_mux(MUX_TYPE_SD_PC_SA_PC_SG);
313 		break;
314 	default:
315 		printf("SRDS1 prtcl:0x%x\n", cfg);
316 		break;
317 	}
318 
319 	return 0;
320 }
321 
322 int misc_init_r(void)
323 {
324 	int conflict_flag;
325 
326 	/* some signals can not enable simultaneous*/
327 	conflict_flag = 0;
328 	if (hwconfig("sdhc"))
329 		conflict_flag++;
330 	if (hwconfig("iic2"))
331 		conflict_flag++;
332 	if (conflict_flag > 1) {
333 		printf("WARNING: pin conflict !\n");
334 		return 0;
335 	}
336 
337 	conflict_flag = 0;
338 	if (hwconfig("rgmii"))
339 		conflict_flag++;
340 	if (hwconfig("can"))
341 		conflict_flag++;
342 	if (hwconfig("sai"))
343 		conflict_flag++;
344 	if (conflict_flag > 1) {
345 		printf("WARNING: pin conflict !\n");
346 		return 0;
347 	}
348 
349 	if (hwconfig("can"))
350 		config_board_mux(MUX_TYPE_CAN);
351 	else if (hwconfig("rgmii"))
352 		config_board_mux(MUX_TYPE_RGMII);
353 	else if (hwconfig("sai"))
354 		config_board_mux(MUX_TYPE_SAI);
355 
356 	if (hwconfig("iic2"))
357 		config_board_mux(MUX_TYPE_IIC2);
358 	else if (hwconfig("sdhc"))
359 		config_board_mux(MUX_TYPE_SDHC);
360 
361 #ifdef CONFIG_FSL_CAAM
362 	return sec_init();
363 #endif
364 	return 0;
365 }
366 
367 #ifdef CONFIG_LS102XA_NS_ACCESS
368 static struct csu_ns_dev ns_dev[] = {
369 	{ CSU_CSLX_PCIE2_IO, CSU_ALL_RW },
370 	{ CSU_CSLX_PCIE1_IO, CSU_ALL_RW },
371 	{ CSU_CSLX_MG2TPR_IP, CSU_ALL_RW },
372 	{ CSU_CSLX_IFC_MEM, CSU_ALL_RW },
373 	{ CSU_CSLX_OCRAM, CSU_ALL_RW },
374 	{ CSU_CSLX_GIC, CSU_ALL_RW },
375 	{ CSU_CSLX_PCIE1, CSU_ALL_RW },
376 	{ CSU_CSLX_OCRAM2, CSU_ALL_RW },
377 	{ CSU_CSLX_QSPI_MEM, CSU_ALL_RW },
378 	{ CSU_CSLX_PCIE2, CSU_ALL_RW },
379 	{ CSU_CSLX_SATA, CSU_ALL_RW },
380 	{ CSU_CSLX_USB3, CSU_ALL_RW },
381 	{ CSU_CSLX_SERDES, CSU_ALL_RW },
382 	{ CSU_CSLX_QDMA, CSU_ALL_RW },
383 	{ CSU_CSLX_LPUART2, CSU_ALL_RW },
384 	{ CSU_CSLX_LPUART1, CSU_ALL_RW },
385 	{ CSU_CSLX_LPUART4, CSU_ALL_RW },
386 	{ CSU_CSLX_LPUART3, CSU_ALL_RW },
387 	{ CSU_CSLX_LPUART6, CSU_ALL_RW },
388 	{ CSU_CSLX_LPUART5, CSU_ALL_RW },
389 	{ CSU_CSLX_DSPI2, CSU_ALL_RW },
390 	{ CSU_CSLX_DSPI1, CSU_ALL_RW },
391 	{ CSU_CSLX_QSPI, CSU_ALL_RW },
392 	{ CSU_CSLX_ESDHC, CSU_ALL_RW },
393 	{ CSU_CSLX_2D_ACE, CSU_ALL_RW },
394 	{ CSU_CSLX_IFC, CSU_ALL_RW },
395 	{ CSU_CSLX_I2C1, CSU_ALL_RW },
396 	{ CSU_CSLX_USB2, CSU_ALL_RW },
397 	{ CSU_CSLX_I2C3, CSU_ALL_RW },
398 	{ CSU_CSLX_I2C2, CSU_ALL_RW },
399 	{ CSU_CSLX_DUART2, CSU_ALL_RW },
400 	{ CSU_CSLX_DUART1, CSU_ALL_RW },
401 	{ CSU_CSLX_WDT2, CSU_ALL_RW },
402 	{ CSU_CSLX_WDT1, CSU_ALL_RW },
403 	{ CSU_CSLX_EDMA, CSU_ALL_RW },
404 	{ CSU_CSLX_SYS_CNT, CSU_ALL_RW },
405 	{ CSU_CSLX_DMA_MUX2, CSU_ALL_RW },
406 	{ CSU_CSLX_DMA_MUX1, CSU_ALL_RW },
407 	{ CSU_CSLX_DDR, CSU_ALL_RW },
408 	{ CSU_CSLX_QUICC, CSU_ALL_RW },
409 	{ CSU_CSLX_DCFG_CCU_RCPM, CSU_ALL_RW },
410 	{ CSU_CSLX_SECURE_BOOTROM, CSU_ALL_RW },
411 	{ CSU_CSLX_SFP, CSU_ALL_RW },
412 	{ CSU_CSLX_TMU, CSU_ALL_RW },
413 	{ CSU_CSLX_SECURE_MONITOR, CSU_ALL_RW },
414 	{ CSU_CSLX_RESERVED0, CSU_ALL_RW },
415 	{ CSU_CSLX_ETSEC1, CSU_ALL_RW },
416 	{ CSU_CSLX_SEC5_5, CSU_ALL_RW },
417 	{ CSU_CSLX_ETSEC3, CSU_ALL_RW },
418 	{ CSU_CSLX_ETSEC2, CSU_ALL_RW },
419 	{ CSU_CSLX_GPIO2, CSU_ALL_RW },
420 	{ CSU_CSLX_GPIO1, CSU_ALL_RW },
421 	{ CSU_CSLX_GPIO4, CSU_ALL_RW },
422 	{ CSU_CSLX_GPIO3, CSU_ALL_RW },
423 	{ CSU_CSLX_PLATFORM_CONT, CSU_ALL_RW },
424 	{ CSU_CSLX_CSU, CSU_ALL_RW },
425 	{ CSU_CSLX_ASRC, CSU_ALL_RW },
426 	{ CSU_CSLX_SPDIF, CSU_ALL_RW },
427 	{ CSU_CSLX_FLEXCAN2, CSU_ALL_RW },
428 	{ CSU_CSLX_FLEXCAN1, CSU_ALL_RW },
429 	{ CSU_CSLX_FLEXCAN4, CSU_ALL_RW },
430 	{ CSU_CSLX_FLEXCAN3, CSU_ALL_RW },
431 	{ CSU_CSLX_SAI2, CSU_ALL_RW },
432 	{ CSU_CSLX_SAI1, CSU_ALL_RW },
433 	{ CSU_CSLX_SAI4, CSU_ALL_RW },
434 	{ CSU_CSLX_SAI3, CSU_ALL_RW },
435 	{ CSU_CSLX_FTM2, CSU_ALL_RW },
436 	{ CSU_CSLX_FTM1, CSU_ALL_RW },
437 	{ CSU_CSLX_FTM4, CSU_ALL_RW },
438 	{ CSU_CSLX_FTM3, CSU_ALL_RW },
439 	{ CSU_CSLX_FTM6, CSU_ALL_RW },
440 	{ CSU_CSLX_FTM5, CSU_ALL_RW },
441 	{ CSU_CSLX_FTM8, CSU_ALL_RW },
442 	{ CSU_CSLX_FTM7, CSU_ALL_RW },
443 	{ CSU_CSLX_COP_DCSR, CSU_ALL_RW },
444 	{ CSU_CSLX_EPU, CSU_ALL_RW },
445 	{ CSU_CSLX_GDI, CSU_ALL_RW },
446 	{ CSU_CSLX_DDI, CSU_ALL_RW },
447 	{ CSU_CSLX_RESERVED1, CSU_ALL_RW },
448 	{ CSU_CSLX_USB3_PHY, CSU_ALL_RW },
449 	{ CSU_CSLX_RESERVED2, CSU_ALL_RW },
450 };
451 #endif
452 
453 struct smmu_stream_id dev_stream_id[] = {
454 	{ 0x100, 0x01, "ETSEC MAC1" },
455 	{ 0x104, 0x02, "ETSEC MAC2" },
456 	{ 0x108, 0x03, "ETSEC MAC3" },
457 	{ 0x10c, 0x04, "PEX1" },
458 	{ 0x110, 0x05, "PEX2" },
459 	{ 0x114, 0x06, "qDMA" },
460 	{ 0x118, 0x07, "SATA" },
461 	{ 0x11c, 0x08, "USB3" },
462 	{ 0x120, 0x09, "QE" },
463 	{ 0x124, 0x0a, "eSDHC" },
464 	{ 0x128, 0x0b, "eMA" },
465 	{ 0x14c, 0x0c, "2D-ACE" },
466 	{ 0x150, 0x0d, "USB2" },
467 	{ 0x18c, 0x0e, "DEBUG" },
468 };
469 
470 int board_init(void)
471 {
472 	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
473 
474 	/* Set CCI-400 control override register to
475 	 * enable barrier transaction */
476 	out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
477 	/*
478 	 * Set CCI-400 Slave interface S0, S1, S2 Shareable Override Register
479 	 * All transactions are treated as non-shareable
480 	 */
481 	out_le32(&cci->slave[0].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
482 	out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
483 	out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
484 
485 	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
486 
487 #ifndef CONFIG_SYS_FSL_NO_SERDES
488 	fsl_serdes_init();
489 	config_serdes_mux();
490 #endif
491 
492 	ls102xa_config_smmu_stream_id(dev_stream_id,
493 				      ARRAY_SIZE(dev_stream_id));
494 
495 #ifdef CONFIG_LS102XA_NS_ACCESS
496 	enable_devices_ns_access(ns_dev, ARRAY_SIZE(ns_dev));
497 #endif
498 
499 #ifdef CONFIG_U_QE
500 	u_qe_init();
501 #endif
502 
503 	return 0;
504 }
505 
506 int ft_board_setup(void *blob, bd_t *bd)
507 {
508 	ft_cpu_setup(blob, bd);
509 
510 #ifdef CONFIG_PCIE_LAYERSCAPE
511 	ft_pcie_setup(blob, bd);
512 #endif
513 
514 	return 0;
515 }
516 
517 u8 flash_read8(void *addr)
518 {
519 	return __raw_readb(addr + 1);
520 }
521 
522 void flash_write16(u16 val, void *addr)
523 {
524 	u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
525 
526 	__raw_writew(shftval, addr);
527 }
528 
529 u16 flash_read16(void *addr)
530 {
531 	u16 val = __raw_readw(addr);
532 
533 	return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
534 }
535