1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2014 Freescale Semiconductor, Inc.
4 */
5
6 #include <common.h>
7 #include <i2c.h>
8 #include <asm/io.h>
9 #include <asm/arch/immap_ls102xa.h>
10 #include <asm/arch/clock.h>
11 #include <asm/arch/fsl_serdes.h>
12 #include <asm/arch/ls102xa_soc.h>
13 #include <asm/arch/ls102xa_devdis.h>
14 #include <asm/arch/ls102xa_sata.h>
15 #include <hwconfig.h>
16 #include <mmc.h>
17 #include <fsl_csu.h>
18 #include <fsl_esdhc.h>
19 #include <fsl_ifc.h>
20 #include <fsl_sec.h>
21 #include <spl.h>
22 #include <fsl_devdis.h>
23 #include <fsl_validate.h>
24 #include <fsl_ddr.h>
25 #include "../common/sleep.h"
26 #include "../common/qixis.h"
27 #include "ls1021aqds_qixis.h"
28 #ifdef CONFIG_U_QE
29 #include <fsl_qe.h>
30 #endif
31
32 #define PIN_MUX_SEL_CAN 0x03
33 #define PIN_MUX_SEL_IIC2 0xa0
34 #define PIN_MUX_SEL_RGMII 0x00
35 #define PIN_MUX_SEL_SAI 0x0c
36 #define PIN_MUX_SEL_SDHC 0x00
37
38 #define SET_SDHC_MUX_SEL(reg, value) ((reg & 0x0f) | value)
39 #define SET_EC_MUX_SEL(reg, value) ((reg & 0xf0) | value)
40 enum {
41 MUX_TYPE_CAN,
42 MUX_TYPE_IIC2,
43 MUX_TYPE_RGMII,
44 MUX_TYPE_SAI,
45 MUX_TYPE_SDHC,
46 MUX_TYPE_SD_PCI4,
47 MUX_TYPE_SD_PC_SA_SG_SG,
48 MUX_TYPE_SD_PC_SA_PC_SG,
49 MUX_TYPE_SD_PC_SG_SG,
50 };
51
52 enum {
53 GE0_CLK125,
54 GE2_CLK125,
55 GE1_CLK125,
56 };
57
checkboard(void)58 int checkboard(void)
59 {
60 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
61 char buf[64];
62 #endif
63 #if !defined(CONFIG_SD_BOOT) && !defined(CONFIG_QSPI_BOOT)
64 u8 sw;
65 #endif
66
67 puts("Board: LS1021AQDS\n");
68
69 #ifdef CONFIG_SD_BOOT
70 puts("SD\n");
71 #elif CONFIG_QSPI_BOOT
72 puts("QSPI\n");
73 #else
74 sw = QIXIS_READ(brdcfg[0]);
75 sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
76
77 if (sw < 0x8)
78 printf("vBank: %d\n", sw);
79 else if (sw == 0x8)
80 puts("PromJet\n");
81 else if (sw == 0x9)
82 puts("NAND\n");
83 else if (sw == 0x15)
84 printf("IFCCard\n");
85 else
86 printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
87 #endif
88
89 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
90 printf("Sys ID:0x%02x, Sys Ver: 0x%02x\n",
91 QIXIS_READ(id), QIXIS_READ(arch));
92
93 printf("FPGA: v%d (%s), build %d\n",
94 (int)QIXIS_READ(scver), qixis_read_tag(buf),
95 (int)qixis_read_minor());
96 #endif
97
98 return 0;
99 }
100
get_board_sys_clk(void)101 unsigned long get_board_sys_clk(void)
102 {
103 u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
104
105 switch (sysclk_conf & 0x0f) {
106 case QIXIS_SYSCLK_64:
107 return 64000000;
108 case QIXIS_SYSCLK_83:
109 return 83333333;
110 case QIXIS_SYSCLK_100:
111 return 100000000;
112 case QIXIS_SYSCLK_125:
113 return 125000000;
114 case QIXIS_SYSCLK_133:
115 return 133333333;
116 case QIXIS_SYSCLK_150:
117 return 150000000;
118 case QIXIS_SYSCLK_160:
119 return 160000000;
120 case QIXIS_SYSCLK_166:
121 return 166666666;
122 }
123 return 66666666;
124 }
125
get_board_ddr_clk(void)126 unsigned long get_board_ddr_clk(void)
127 {
128 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
129
130 switch ((ddrclk_conf & 0x30) >> 4) {
131 case QIXIS_DDRCLK_100:
132 return 100000000;
133 case QIXIS_DDRCLK_125:
134 return 125000000;
135 case QIXIS_DDRCLK_133:
136 return 133333333;
137 }
138 return 66666666;
139 }
140
select_i2c_ch_pca9547(u8 ch)141 int select_i2c_ch_pca9547(u8 ch)
142 {
143 int ret;
144
145 ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
146 if (ret) {
147 puts("PCA: failed to select proper channel\n");
148 return ret;
149 }
150
151 return 0;
152 }
153
dram_init(void)154 int dram_init(void)
155 {
156 /*
157 * When resuming from deep sleep, the I2C channel may not be
158 * in the default channel. So, switch to the default channel
159 * before accessing DDR SPD.
160 */
161 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
162 return fsl_initdram();
163 }
164
165 #ifdef CONFIG_FSL_ESDHC
166 struct fsl_esdhc_cfg esdhc_cfg[1] = {
167 {CONFIG_SYS_FSL_ESDHC_ADDR},
168 };
169
board_mmc_init(bd_t * bis)170 int board_mmc_init(bd_t *bis)
171 {
172 esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
173
174 return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
175 }
176 #endif
177
board_early_init_f(void)178 int board_early_init_f(void)
179 {
180 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
181
182 #ifdef CONFIG_TSEC_ENET
183 /* clear BD & FR bits for BE BD's and frame data */
184 clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
185 #endif
186
187 #ifdef CONFIG_FSL_IFC
188 init_early_memctl_regs();
189 #endif
190
191 arch_soc_init();
192
193 #if defined(CONFIG_DEEP_SLEEP)
194 if (is_warm_boot())
195 fsl_dp_disable_console();
196 #endif
197
198 return 0;
199 }
200
201 #ifdef CONFIG_SPL_BUILD
board_init_f(ulong dummy)202 void board_init_f(ulong dummy)
203 {
204 struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
205 CONFIG_SYS_CCI400_OFFSET);
206 unsigned int major;
207
208 #ifdef CONFIG_NAND_BOOT
209 struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
210 u32 porsr1, pinctl;
211
212 /*
213 * There is LS1 SoC issue where NOR, FPGA are inaccessible during
214 * NAND boot because IFC signals > IFC_AD7 are not enabled.
215 * This workaround changes RCW source to make all signals enabled.
216 */
217 porsr1 = in_be32(&gur->porsr1);
218 pinctl = ((porsr1 & ~(DCFG_CCSR_PORSR1_RCW_MASK)) |
219 DCFG_CCSR_PORSR1_RCW_SRC_I2C);
220 out_be32((unsigned int *)(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_PORCR1),
221 pinctl);
222 #endif
223
224 /* Clear the BSS */
225 memset(__bss_start, 0, __bss_end - __bss_start);
226
227 #ifdef CONFIG_FSL_IFC
228 init_early_memctl_regs();
229 #endif
230
231 get_clocks();
232
233 #if defined(CONFIG_DEEP_SLEEP)
234 if (is_warm_boot())
235 fsl_dp_disable_console();
236 #endif
237
238 preloader_console_init();
239
240 #ifdef CONFIG_SPL_I2C_SUPPORT
241 i2c_init_all();
242 #endif
243
244 major = get_soc_major_rev();
245 if (major == SOC_MAJOR_VER_1_0)
246 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
247
248 dram_init();
249
250 /* Allow OCRAM access permission as R/W */
251 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
252 enable_layerscape_ns_access();
253 #endif
254
255 board_init_r(NULL, 0);
256 }
257 #endif
258
config_etseccm_source(int etsec_gtx_125_mux)259 void config_etseccm_source(int etsec_gtx_125_mux)
260 {
261 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
262
263 switch (etsec_gtx_125_mux) {
264 case GE0_CLK125:
265 out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE0_CLK125);
266 debug("etseccm set to GE0_CLK125\n");
267 break;
268
269 case GE2_CLK125:
270 out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125);
271 debug("etseccm set to GE2_CLK125\n");
272 break;
273
274 case GE1_CLK125:
275 out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE1_CLK125);
276 debug("etseccm set to GE1_CLK125\n");
277 break;
278
279 default:
280 printf("Error! trying to set etseccm to invalid value\n");
281 break;
282 }
283 }
284
config_board_mux(int ctrl_type)285 int config_board_mux(int ctrl_type)
286 {
287 u8 reg12, reg14;
288
289 reg12 = QIXIS_READ(brdcfg[12]);
290 reg14 = QIXIS_READ(brdcfg[14]);
291
292 switch (ctrl_type) {
293 case MUX_TYPE_CAN:
294 config_etseccm_source(GE2_CLK125);
295 reg14 = SET_EC_MUX_SEL(reg14, PIN_MUX_SEL_CAN);
296 break;
297 case MUX_TYPE_IIC2:
298 reg14 = SET_SDHC_MUX_SEL(reg14, PIN_MUX_SEL_IIC2);
299 break;
300 case MUX_TYPE_RGMII:
301 reg14 = SET_EC_MUX_SEL(reg14, PIN_MUX_SEL_RGMII);
302 break;
303 case MUX_TYPE_SAI:
304 config_etseccm_source(GE2_CLK125);
305 reg14 = SET_EC_MUX_SEL(reg14, PIN_MUX_SEL_SAI);
306 break;
307 case MUX_TYPE_SDHC:
308 reg14 = SET_SDHC_MUX_SEL(reg14, PIN_MUX_SEL_SDHC);
309 break;
310 case MUX_TYPE_SD_PCI4:
311 reg12 = 0x38;
312 break;
313 case MUX_TYPE_SD_PC_SA_SG_SG:
314 reg12 = 0x01;
315 break;
316 case MUX_TYPE_SD_PC_SA_PC_SG:
317 reg12 = 0x01;
318 break;
319 case MUX_TYPE_SD_PC_SG_SG:
320 reg12 = 0x21;
321 break;
322 default:
323 printf("Wrong mux interface type\n");
324 return -1;
325 }
326
327 QIXIS_WRITE(brdcfg[12], reg12);
328 QIXIS_WRITE(brdcfg[14], reg14);
329
330 return 0;
331 }
332
config_serdes_mux(void)333 int config_serdes_mux(void)
334 {
335 struct ccsr_gur *gur = (struct ccsr_gur *)CONFIG_SYS_FSL_GUTS_ADDR;
336 u32 cfg;
337
338 cfg = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK;
339 cfg >>= RCWSR4_SRDS1_PRTCL_SHIFT;
340
341 switch (cfg) {
342 case 0x0:
343 config_board_mux(MUX_TYPE_SD_PCI4);
344 break;
345 case 0x30:
346 config_board_mux(MUX_TYPE_SD_PC_SA_SG_SG);
347 break;
348 case 0x60:
349 config_board_mux(MUX_TYPE_SD_PC_SG_SG);
350 break;
351 case 0x70:
352 config_board_mux(MUX_TYPE_SD_PC_SA_PC_SG);
353 break;
354 default:
355 printf("SRDS1 prtcl:0x%x\n", cfg);
356 break;
357 }
358
359 return 0;
360 }
361
362 #ifdef CONFIG_BOARD_LATE_INIT
board_late_init(void)363 int board_late_init(void)
364 {
365 #ifdef CONFIG_SCSI_AHCI_PLAT
366 ls1021a_sata_init();
367 #endif
368 #ifdef CONFIG_CHAIN_OF_TRUST
369 fsl_setenv_chain_of_trust();
370 #endif
371
372 return 0;
373 }
374 #endif
375
misc_init_r(void)376 int misc_init_r(void)
377 {
378 int conflict_flag;
379
380 /* some signals can not enable simultaneous*/
381 conflict_flag = 0;
382 if (hwconfig("sdhc"))
383 conflict_flag++;
384 if (hwconfig("iic2"))
385 conflict_flag++;
386 if (conflict_flag > 1) {
387 printf("WARNING: pin conflict !\n");
388 return 0;
389 }
390
391 conflict_flag = 0;
392 if (hwconfig("rgmii"))
393 conflict_flag++;
394 if (hwconfig("can"))
395 conflict_flag++;
396 if (hwconfig("sai"))
397 conflict_flag++;
398 if (conflict_flag > 1) {
399 printf("WARNING: pin conflict !\n");
400 return 0;
401 }
402
403 if (hwconfig("can"))
404 config_board_mux(MUX_TYPE_CAN);
405 else if (hwconfig("rgmii"))
406 config_board_mux(MUX_TYPE_RGMII);
407 else if (hwconfig("sai"))
408 config_board_mux(MUX_TYPE_SAI);
409
410 if (hwconfig("iic2"))
411 config_board_mux(MUX_TYPE_IIC2);
412 else if (hwconfig("sdhc"))
413 config_board_mux(MUX_TYPE_SDHC);
414
415 #ifdef CONFIG_FSL_DEVICE_DISABLE
416 device_disable(devdis_tbl, ARRAY_SIZE(devdis_tbl));
417 #endif
418 #ifdef CONFIG_FSL_CAAM
419 return sec_init();
420 #endif
421 return 0;
422 }
423
board_init(void)424 int board_init(void)
425 {
426 struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
427 CONFIG_SYS_CCI400_OFFSET);
428 unsigned int major;
429
430 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315
431 erratum_a010315();
432 #endif
433 #ifdef CONFIG_SYS_FSL_ERRATUM_A009942
434 erratum_a009942_check_cpo();
435 #endif
436 major = get_soc_major_rev();
437 if (major == SOC_MAJOR_VER_1_0) {
438 /* Set CCI-400 control override register to
439 * enable barrier transaction */
440 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
441 }
442
443 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
444
445 #ifndef CONFIG_SYS_FSL_NO_SERDES
446 fsl_serdes_init();
447 config_serdes_mux();
448 #endif
449
450 ls102xa_smmu_stream_id_init();
451
452 #ifdef CONFIG_U_QE
453 u_qe_init();
454 #endif
455
456 return 0;
457 }
458
459 #if defined(CONFIG_DEEP_SLEEP)
board_sleep_prepare(void)460 void board_sleep_prepare(void)
461 {
462 struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
463 CONFIG_SYS_CCI400_OFFSET);
464 unsigned int major;
465
466 major = get_soc_major_rev();
467 if (major == SOC_MAJOR_VER_1_0) {
468 /* Set CCI-400 control override register to
469 * enable barrier transaction */
470 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
471 }
472
473
474 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
475 enable_layerscape_ns_access();
476 #endif
477 }
478 #endif
479
ft_board_setup(void * blob,bd_t * bd)480 int ft_board_setup(void *blob, bd_t *bd)
481 {
482 ft_cpu_setup(blob, bd);
483
484 #ifdef CONFIG_PCI
485 ft_pci_setup(blob, bd);
486 #endif
487
488 return 0;
489 }
490
flash_read8(void * addr)491 u8 flash_read8(void *addr)
492 {
493 return __raw_readb(addr + 1);
494 }
495
flash_write16(u16 val,void * addr)496 void flash_write16(u16 val, void *addr)
497 {
498 u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
499
500 __raw_writew(shftval, addr);
501 }
502
flash_read16(void * addr)503 u16 flash_read16(void *addr)
504 {
505 u16 val = __raw_readw(addr);
506
507 return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
508 }
509