1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2014-2015 Freescale Semiconductor
4 * Copyright 2019-2020 NXP
5 */
6
7 #include <common.h>
8 #include <clock_legacy.h>
9 #include <cpu_func.h>
10 #include <env.h>
11 #include <fsl_immap.h>
12 #include <fsl_ifc.h>
13 #include <init.h>
14 #include <linux/sizes.h>
15 #include <log.h>
16 #include <asm/arch/fsl_serdes.h>
17 #include <asm/arch/soc.h>
18 #include <asm/cache.h>
19 #include <asm/io.h>
20 #include <asm/global_data.h>
21 #include <asm/arch-fsl-layerscape/config.h>
22 #include <asm/arch-fsl-layerscape/ns_access.h>
23 #include <asm/arch-fsl-layerscape/fsl_icid.h>
24 #include <asm/gic-v3.h>
25 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
26 #include <fsl_csu.h>
27 #endif
28 #ifdef CONFIG_SYS_FSL_DDR
29 #include <fsl_ddr_sdram.h>
30 #include <fsl_ddr.h>
31 #endif
32 #ifdef CONFIG_CHAIN_OF_TRUST
33 #include <fsl_validate.h>
34 #endif
35 #include <fsl_immap.h>
36 #include <dm.h>
37 #include <dm/device_compat.h>
38 #include <linux/err.h>
39 #ifdef CONFIG_GIC_V3_ITS
40 DECLARE_GLOBAL_DATA_PTR;
41 #endif
42
43 #ifdef CONFIG_GIC_V3_ITS
ls_gic_rd_tables_init(void * blob)44 int ls_gic_rd_tables_init(void *blob)
45 {
46 struct fdt_memory lpi_base;
47 fdt_addr_t addr;
48 fdt_size_t size;
49 int offset, ret;
50
51 offset = fdt_path_offset(gd->fdt_blob, "/syscon@0x80000000");
52 addr = fdtdec_get_addr_size_auto_noparent(gd->fdt_blob, offset, "reg",
53 0, &size, false);
54
55 lpi_base.start = addr;
56 lpi_base.end = addr + size - 1;
57 ret = fdtdec_add_reserved_memory(blob, "lpi_rd_table", &lpi_base, NULL, false);
58 if (ret) {
59 debug("%s: failed to add reserved memory\n", __func__);
60 return ret;
61 }
62
63 ret = gic_lpi_tables_init();
64 if (ret)
65 debug("%s: failed to init gic-lpi-tables\n", __func__);
66
67 return ret;
68 }
69 #endif
70
soc_has_dp_ddr(void)71 bool soc_has_dp_ddr(void)
72 {
73 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
74 u32 svr = gur_in32(&gur->svr);
75
76 /* LS2085A, LS2088A, LS2048A has DP_DDR */
77 if ((SVR_SOC_VER(svr) == SVR_LS2085A) ||
78 (SVR_SOC_VER(svr) == SVR_LS2088A) ||
79 (SVR_SOC_VER(svr) == SVR_LS2048A))
80 return true;
81
82 return false;
83 }
84
soc_has_aiop(void)85 bool soc_has_aiop(void)
86 {
87 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
88 u32 svr = gur_in32(&gur->svr);
89
90 /* LS2085A has AIOP */
91 if (SVR_SOC_VER(svr) == SVR_LS2085A)
92 return true;
93
94 return false;
95 }
96
set_usb_txvreftune(u32 __iomem * scfg,u32 offset)97 static inline void set_usb_txvreftune(u32 __iomem *scfg, u32 offset)
98 {
99 scfg_clrsetbits32(scfg + offset / 4,
100 0xF << 6,
101 SCFG_USB_TXVREFTUNE << 6);
102 }
103
erratum_a009008(void)104 static void erratum_a009008(void)
105 {
106 #ifdef CONFIG_SYS_FSL_ERRATUM_A009008
107 u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
108
109 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
110 defined(CONFIG_ARCH_LS1012A)
111 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB1);
112 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
113 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB2);
114 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB3);
115 #endif
116 #elif defined(CONFIG_ARCH_LS2080A)
117 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR);
118 #endif
119 #endif /* CONFIG_SYS_FSL_ERRATUM_A009008 */
120 }
121
set_usb_sqrxtune(u32 __iomem * scfg,u32 offset)122 static inline void set_usb_sqrxtune(u32 __iomem *scfg, u32 offset)
123 {
124 scfg_clrbits32(scfg + offset / 4,
125 SCFG_USB_SQRXTUNE_MASK << 23);
126 }
127
erratum_a009798(void)128 static void erratum_a009798(void)
129 {
130 #ifdef CONFIG_SYS_FSL_ERRATUM_A009798
131 u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
132
133 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
134 defined(CONFIG_ARCH_LS1012A)
135 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB1);
136 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
137 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB2);
138 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB3);
139 #endif
140 #elif defined(CONFIG_ARCH_LS2080A)
141 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR);
142 #endif
143 #endif /* CONFIG_SYS_FSL_ERRATUM_A009798 */
144 }
145
146 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
147 defined(CONFIG_ARCH_LS1012A)
set_usb_pcstxswingfull(u32 __iomem * scfg,u32 offset)148 static inline void set_usb_pcstxswingfull(u32 __iomem *scfg, u32 offset)
149 {
150 scfg_clrsetbits32(scfg + offset / 4,
151 0x7F << 9,
152 SCFG_USB_PCSTXSWINGFULL << 9);
153 }
154 #endif
155
erratum_a008997(void)156 static void erratum_a008997(void)
157 {
158 #ifdef CONFIG_SYS_FSL_ERRATUM_A008997
159 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
160 defined(CONFIG_ARCH_LS1012A)
161 u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
162
163 set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB1);
164 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
165 set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB2);
166 set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB3);
167 #endif
168 #elif defined(CONFIG_ARCH_LS1028A)
169 clrsetbits_le32(DCSR_BASE + DCSR_USB_IOCR1,
170 0x7F << 11,
171 DCSR_USB_PCSTXSWINGFULL << 11);
172 #endif
173 #endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */
174 }
175
176 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
177 defined(CONFIG_ARCH_LS1012A)
178
179 #define PROGRAM_USB_PHY_RX_OVRD_IN_HI(phy) \
180 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1); \
181 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2); \
182 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3); \
183 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4)
184
185 #elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A) || \
186 defined(CONFIG_ARCH_LS1028A) || defined(CONFIG_ARCH_LX2160A) || \
187 defined(CONFIG_ARCH_LX2162A)
188
189 #define PROGRAM_USB_PHY_RX_OVRD_IN_HI(phy) \
190 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1); \
191 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2); \
192 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3); \
193 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4)
194
195 #endif
196
erratum_a009007(void)197 static void erratum_a009007(void)
198 {
199 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
200 defined(CONFIG_ARCH_LS1012A)
201 void __iomem *usb_phy = (void __iomem *)SCFG_USB_PHY1;
202
203 PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
204 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
205 usb_phy = (void __iomem *)SCFG_USB_PHY2;
206 PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
207
208 usb_phy = (void __iomem *)SCFG_USB_PHY3;
209 PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
210 #endif
211 #elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A) || \
212 defined(CONFIG_ARCH_LS1028A)
213 void __iomem *dcsr = (void __iomem *)DCSR_BASE;
214
215 PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY1);
216 PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY2);
217 #endif /* CONFIG_SYS_FSL_ERRATUM_A009007 */
218 }
219
220 #if defined(CONFIG_FSL_LSCH3)
erratum_a050106(void)221 static void erratum_a050106(void)
222 {
223 #if defined(CONFIG_ARCH_LX2160A) || defined(CONFIG_ARCH_LX2162A)
224 void __iomem *dcsr = (void __iomem *)DCSR_BASE;
225
226 PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY1);
227 PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY2);
228 #endif
229 }
230 /*
231 * This erratum requires setting a value to eddrtqcr1 to
232 * optimal the DDR performance.
233 */
erratum_a008336(void)234 static void erratum_a008336(void)
235 {
236 #ifdef CONFIG_SYS_FSL_ERRATUM_A008336
237 u32 *eddrtqcr1;
238
239 #ifdef CONFIG_SYS_FSL_DCSR_DDR_ADDR
240 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR_ADDR + 0x800;
241 if (fsl_ddr_get_version(0) == 0x50200)
242 out_le32(eddrtqcr1, 0x63b30002);
243 #endif
244 #ifdef CONFIG_SYS_FSL_DCSR_DDR2_ADDR
245 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR2_ADDR + 0x800;
246 if (fsl_ddr_get_version(0) == 0x50200)
247 out_le32(eddrtqcr1, 0x63b30002);
248 #endif
249 #endif
250 }
251
252 /*
253 * This erratum requires a register write before being Memory
254 * controller 3 being enabled.
255 */
erratum_a008514(void)256 static void erratum_a008514(void)
257 {
258 #ifdef CONFIG_SYS_FSL_ERRATUM_A008514
259 u32 *eddrtqcr1;
260
261 #ifdef CONFIG_SYS_FSL_DCSR_DDR3_ADDR
262 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR3_ADDR + 0x800;
263 out_le32(eddrtqcr1, 0x63b20002);
264 #endif
265 #endif
266 }
267 #ifdef CONFIG_SYS_FSL_ERRATUM_A009635
268 #define PLATFORM_CYCLE_ENV_VAR "a009635_interval_val"
269
get_internval_val_mhz(void)270 static unsigned long get_internval_val_mhz(void)
271 {
272 char *interval = env_get(PLATFORM_CYCLE_ENV_VAR);
273 /*
274 * interval is the number of platform cycles(MHz) between
275 * wake up events generated by EPU.
276 */
277 ulong interval_mhz = get_bus_freq(0) / (1000 * 1000);
278
279 if (interval)
280 interval_mhz = simple_strtoul(interval, NULL, 10);
281
282 return interval_mhz;
283 }
284
erratum_a009635(void)285 void erratum_a009635(void)
286 {
287 u32 val;
288 unsigned long interval_mhz = get_internval_val_mhz();
289
290 if (!interval_mhz)
291 return;
292
293 val = in_le32(DCSR_CGACRE5);
294 writel(val | 0x00000200, DCSR_CGACRE5);
295
296 val = in_le32(EPU_EPCMPR5);
297 writel(interval_mhz, EPU_EPCMPR5);
298 val = in_le32(EPU_EPCCR5);
299 writel(val | 0x82820000, EPU_EPCCR5);
300 val = in_le32(EPU_EPSMCR5);
301 writel(val | 0x002f0000, EPU_EPSMCR5);
302 val = in_le32(EPU_EPECR5);
303 writel(val | 0x20000000, EPU_EPECR5);
304 val = in_le32(EPU_EPGCR);
305 writel(val | 0x80000000, EPU_EPGCR);
306 }
307 #endif /* CONFIG_SYS_FSL_ERRATUM_A009635 */
308
erratum_rcw_src(void)309 static void erratum_rcw_src(void)
310 {
311 #if defined(CONFIG_SPL) && defined(CONFIG_NAND_BOOT)
312 u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
313 u32 __iomem *dcfg_dcsr = (u32 __iomem *)DCFG_DCSR_BASE;
314 u32 val;
315
316 val = in_le32(dcfg_ccsr + DCFG_PORSR1 / 4);
317 val &= ~DCFG_PORSR1_RCW_SRC;
318 val |= DCFG_PORSR1_RCW_SRC_NOR;
319 out_le32(dcfg_dcsr + DCFG_DCSR_PORCR1 / 4, val);
320 #endif
321 }
322
323 #define I2C_DEBUG_REG 0x6
324 #define I2C_GLITCH_EN 0x8
325 /*
326 * This erratum requires setting glitch_en bit to enable
327 * digital glitch filter to improve clock stability.
328 */
329 #ifdef CONFIG_SYS_FSL_ERRATUM_A009203
erratum_a009203(void)330 static void erratum_a009203(void)
331 {
332 #ifdef CONFIG_SYS_I2C
333 u8 __iomem *ptr;
334 #ifdef I2C1_BASE_ADDR
335 ptr = (u8 __iomem *)(I2C1_BASE_ADDR + I2C_DEBUG_REG);
336
337 writeb(I2C_GLITCH_EN, ptr);
338 #endif
339 #ifdef I2C2_BASE_ADDR
340 ptr = (u8 __iomem *)(I2C2_BASE_ADDR + I2C_DEBUG_REG);
341
342 writeb(I2C_GLITCH_EN, ptr);
343 #endif
344 #ifdef I2C3_BASE_ADDR
345 ptr = (u8 __iomem *)(I2C3_BASE_ADDR + I2C_DEBUG_REG);
346
347 writeb(I2C_GLITCH_EN, ptr);
348 #endif
349 #ifdef I2C4_BASE_ADDR
350 ptr = (u8 __iomem *)(I2C4_BASE_ADDR + I2C_DEBUG_REG);
351
352 writeb(I2C_GLITCH_EN, ptr);
353 #endif
354 #endif
355 }
356 #endif
357
bypass_smmu(void)358 void bypass_smmu(void)
359 {
360 u32 val;
361 val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
362 out_le32(SMMU_SCR0, val);
363 val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
364 out_le32(SMMU_NSCR0, val);
365 }
fsl_lsch3_early_init_f(void)366 void fsl_lsch3_early_init_f(void)
367 {
368 erratum_rcw_src();
369 #ifdef CONFIG_FSL_IFC
370 init_early_memctl_regs(); /* tighten IFC timing */
371 #endif
372 #ifdef CONFIG_SYS_FSL_ERRATUM_A009203
373 erratum_a009203();
374 #endif
375 erratum_a008514();
376 erratum_a008336();
377 erratum_a009008();
378 erratum_a009798();
379 erratum_a008997();
380 erratum_a009007();
381 erratum_a050106();
382 #ifdef CONFIG_CHAIN_OF_TRUST
383 /* In case of Secure Boot, the IBR configures the SMMU
384 * to allow only Secure transactions.
385 * SMMU must be reset in bypass mode.
386 * Set the ClientPD bit and Clear the USFCFG Bit
387 */
388 if (fsl_check_boot_mode_secure() == 1)
389 bypass_smmu();
390 #endif
391
392 #if defined(CONFIG_ARCH_LS1088A) || defined(CONFIG_ARCH_LS1028A) || \
393 defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LX2160A) || \
394 defined(CONFIG_ARCH_LX2162A)
395 set_icids();
396 #endif
397 }
398
399 /* Get VDD in the unit mV from voltage ID */
get_core_volt_from_fuse(void)400 int get_core_volt_from_fuse(void)
401 {
402 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
403 int vdd;
404 u32 fusesr;
405 u8 vid;
406
407 /* get the voltage ID from fuse status register */
408 fusesr = in_le32(&gur->dcfg_fusesr);
409 debug("%s: fusesr = 0x%x\n", __func__, fusesr);
410 vid = (fusesr >> FSL_CHASSIS3_DCFG_FUSESR_ALTVID_SHIFT) &
411 FSL_CHASSIS3_DCFG_FUSESR_ALTVID_MASK;
412 if ((vid == 0) || (vid == FSL_CHASSIS3_DCFG_FUSESR_ALTVID_MASK)) {
413 vid = (fusesr >> FSL_CHASSIS3_DCFG_FUSESR_VID_SHIFT) &
414 FSL_CHASSIS3_DCFG_FUSESR_VID_MASK;
415 }
416 debug("%s: VID = 0x%x\n", __func__, vid);
417 switch (vid) {
418 case 0x00: /* VID isn't supported */
419 vdd = -EINVAL;
420 debug("%s: The VID feature is not supported\n", __func__);
421 break;
422 case 0x08: /* 0.9V silicon */
423 vdd = 900;
424 break;
425 case 0x10: /* 1.0V silicon */
426 vdd = 1000;
427 break;
428 default: /* Other core voltage */
429 vdd = -EINVAL;
430 debug("%s: The VID(%x) isn't supported\n", __func__, vid);
431 break;
432 }
433 debug("%s: The required minimum volt of CORE is %dmV\n", __func__, vdd);
434
435 return vdd;
436 }
437
438 #elif defined(CONFIG_FSL_LSCH2)
439 /*
440 * This erratum requires setting a value to eddrtqcr1 to optimal
441 * the DDR performance. The eddrtqcr1 register is in SCFG space
442 * of LS1043A and the offset is 0x157_020c.
443 */
444 #if defined(CONFIG_SYS_FSL_ERRATUM_A009660) \
445 && defined(CONFIG_SYS_FSL_ERRATUM_A008514)
446 #error A009660 and A008514 can not be both enabled.
447 #endif
448
erratum_a009660(void)449 static void erratum_a009660(void)
450 {
451 #ifdef CONFIG_SYS_FSL_ERRATUM_A009660
452 u32 *eddrtqcr1 = (void *)CONFIG_SYS_FSL_SCFG_ADDR + 0x20c;
453 out_be32(eddrtqcr1, 0x63b20042);
454 #endif
455 }
456
erratum_a008850_early(void)457 static void erratum_a008850_early(void)
458 {
459 #ifdef CONFIG_SYS_FSL_ERRATUM_A008850
460 /* part 1 of 2 */
461 struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
462 CONFIG_SYS_CCI400_OFFSET);
463 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
464
465 /* Skip if running at lower exception level */
466 if (current_el() < 3)
467 return;
468
469 /* disables propagation of barrier transactions to DDRC from CCI400 */
470 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
471
472 /* disable the re-ordering in DDRC */
473 ddr_out32(&ddr->eor, DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
474 #endif
475 }
476
erratum_a008850_post(void)477 void erratum_a008850_post(void)
478 {
479 #ifdef CONFIG_SYS_FSL_ERRATUM_A008850
480 /* part 2 of 2 */
481 struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
482 CONFIG_SYS_CCI400_OFFSET);
483 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
484 u32 tmp;
485
486 /* Skip if running at lower exception level */
487 if (current_el() < 3)
488 return;
489
490 /* enable propagation of barrier transactions to DDRC from CCI400 */
491 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
492
493 /* enable the re-ordering in DDRC */
494 tmp = ddr_in32(&ddr->eor);
495 tmp &= ~(DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
496 ddr_out32(&ddr->eor, tmp);
497 #endif
498 }
499
500 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315
erratum_a010315(void)501 void erratum_a010315(void)
502 {
503 int i;
504
505 for (i = PCIE1; i <= PCIE4; i++)
506 if (!is_serdes_configured(i)) {
507 debug("PCIe%d: disabled all R/W permission!\n", i);
508 set_pcie_ns_access(i, 0);
509 }
510 }
511 #endif
512
erratum_a010539(void)513 static void erratum_a010539(void)
514 {
515 #if defined(CONFIG_SYS_FSL_ERRATUM_A010539) && defined(CONFIG_QSPI_BOOT)
516 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
517 u32 porsr1;
518
519 porsr1 = in_be32(&gur->porsr1);
520 porsr1 &= ~FSL_CHASSIS2_CCSR_PORSR1_RCW_MASK;
521 out_be32((void *)(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_PORCR1),
522 porsr1);
523 out_be32((void *)(CONFIG_SYS_FSL_SCFG_ADDR + 0x1a8), 0xffffffff);
524 #endif
525 }
526
527 /* Get VDD in the unit mV from voltage ID */
get_core_volt_from_fuse(void)528 int get_core_volt_from_fuse(void)
529 {
530 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
531 int vdd;
532 u32 fusesr;
533 u8 vid;
534
535 fusesr = in_be32(&gur->dcfg_fusesr);
536 debug("%s: fusesr = 0x%x\n", __func__, fusesr);
537 vid = (fusesr >> FSL_CHASSIS2_DCFG_FUSESR_ALTVID_SHIFT) &
538 FSL_CHASSIS2_DCFG_FUSESR_ALTVID_MASK;
539 if ((vid == 0) || (vid == FSL_CHASSIS2_DCFG_FUSESR_ALTVID_MASK)) {
540 vid = (fusesr >> FSL_CHASSIS2_DCFG_FUSESR_VID_SHIFT) &
541 FSL_CHASSIS2_DCFG_FUSESR_VID_MASK;
542 }
543 debug("%s: VID = 0x%x\n", __func__, vid);
544 switch (vid) {
545 case 0x00: /* VID isn't supported */
546 vdd = -EINVAL;
547 debug("%s: The VID feature is not supported\n", __func__);
548 break;
549 case 0x08: /* 0.9V silicon */
550 vdd = 900;
551 break;
552 case 0x10: /* 1.0V silicon */
553 vdd = 1000;
554 break;
555 default: /* Other core voltage */
556 vdd = -EINVAL;
557 printf("%s: The VID(%x) isn't supported\n", __func__, vid);
558 break;
559 }
560 debug("%s: The required minimum volt of CORE is %dmV\n", __func__, vdd);
561
562 return vdd;
563 }
564
board_switch_core_volt(u32 vdd)565 __weak int board_switch_core_volt(u32 vdd)
566 {
567 return 0;
568 }
569
setup_core_volt(u32 vdd)570 static int setup_core_volt(u32 vdd)
571 {
572 return board_setup_core_volt(vdd);
573 }
574
575 #ifdef CONFIG_SYS_FSL_DDR
ddr_enable_0v9_volt(bool en)576 static void ddr_enable_0v9_volt(bool en)
577 {
578 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
579 u32 tmp;
580
581 tmp = ddr_in32(&ddr->ddr_cdr1);
582
583 if (en)
584 tmp |= DDR_CDR1_V0PT9_EN;
585 else
586 tmp &= ~DDR_CDR1_V0PT9_EN;
587
588 ddr_out32(&ddr->ddr_cdr1, tmp);
589 }
590 #endif
591
setup_chip_volt(void)592 int setup_chip_volt(void)
593 {
594 int vdd;
595
596 vdd = get_core_volt_from_fuse();
597 /* Nothing to do for silicons doesn't support VID */
598 if (vdd < 0)
599 return vdd;
600
601 if (setup_core_volt(vdd))
602 printf("%s: Switch core VDD to %dmV failed\n", __func__, vdd);
603 #ifdef CONFIG_SYS_HAS_SERDES
604 if (setup_serdes_volt(vdd))
605 printf("%s: Switch SVDD to %dmV failed\n", __func__, vdd);
606 #endif
607
608 #ifdef CONFIG_SYS_FSL_DDR
609 if (vdd == 900)
610 ddr_enable_0v9_volt(true);
611 #endif
612
613 return 0;
614 }
615
616 #ifdef CONFIG_FSL_PFE
init_pfe_scfg_dcfg_regs(void)617 void init_pfe_scfg_dcfg_regs(void)
618 {
619 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
620 u32 ecccr2;
621
622 out_be32(&scfg->pfeasbcr,
623 in_be32(&scfg->pfeasbcr) | SCFG_PFEASBCR_AWCACHE0);
624 out_be32(&scfg->pfebsbcr,
625 in_be32(&scfg->pfebsbcr) | SCFG_PFEASBCR_AWCACHE0);
626
627 /* CCI-400 QoS settings for PFE */
628 out_be32(&scfg->wr_qos1, (unsigned int)(SCFG_WR_QOS1_PFE1_QOS
629 | SCFG_WR_QOS1_PFE2_QOS));
630 out_be32(&scfg->rd_qos1, (unsigned int)(SCFG_RD_QOS1_PFE1_QOS
631 | SCFG_RD_QOS1_PFE2_QOS));
632
633 ecccr2 = in_be32(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_ECCCR2);
634 out_be32((void *)CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_ECCCR2,
635 ecccr2 | (unsigned int)DISABLE_PFE_ECC);
636 }
637 #endif
638
fsl_lsch2_early_init_f(void)639 void fsl_lsch2_early_init_f(void)
640 {
641 struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
642 CONFIG_SYS_CCI400_OFFSET);
643 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
644 #if defined(CONFIG_FSL_QSPI) && defined(CONFIG_TFABOOT)
645 enum boot_src src;
646 #endif
647
648 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
649 enable_layerscape_ns_access();
650 #endif
651
652 #ifdef CONFIG_FSL_IFC
653 init_early_memctl_regs(); /* tighten IFC timing */
654 #endif
655
656 #if defined(CONFIG_FSL_QSPI) && defined(CONFIG_TFABOOT)
657 src = get_boot_src();
658 if (src != BOOT_SOURCE_QSPI_NOR)
659 out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
660 #else
661 #if defined(CONFIG_FSL_QSPI) && !defined(CONFIG_QSPI_BOOT)
662 out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
663 #endif
664 #endif
665 /* Make SEC reads and writes snoopable */
666 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
667 setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP |
668 SCFG_SNPCNFGCR_SECWRSNP | SCFG_SNPCNFGCR_USB1RDSNP |
669 SCFG_SNPCNFGCR_USB1WRSNP | SCFG_SNPCNFGCR_USB2RDSNP |
670 SCFG_SNPCNFGCR_USB2WRSNP | SCFG_SNPCNFGCR_USB3RDSNP |
671 SCFG_SNPCNFGCR_USB3WRSNP | SCFG_SNPCNFGCR_SATARDSNP |
672 SCFG_SNPCNFGCR_SATAWRSNP);
673 #elif defined(CONFIG_ARCH_LS1012A)
674 setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP |
675 SCFG_SNPCNFGCR_SECWRSNP | SCFG_SNPCNFGCR_USB1RDSNP |
676 SCFG_SNPCNFGCR_USB1WRSNP | SCFG_SNPCNFGCR_SATARDSNP |
677 SCFG_SNPCNFGCR_SATAWRSNP);
678 #else
679 setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP |
680 SCFG_SNPCNFGCR_SECWRSNP |
681 SCFG_SNPCNFGCR_SATARDSNP |
682 SCFG_SNPCNFGCR_SATAWRSNP);
683 #endif
684
685 /*
686 * Enable snoop requests and DVM message requests for
687 * Slave insterface S4 (A53 core cluster)
688 */
689 if (current_el() == 3) {
690 out_le32(&cci->slave[4].snoop_ctrl,
691 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
692 }
693
694 /*
695 * Program Central Security Unit (CSU) to grant access
696 * permission for USB 2.0 controller
697 */
698 #if defined(CONFIG_ARCH_LS1012A) && defined(CONFIG_USB_EHCI_FSL)
699 if (current_el() == 3)
700 set_devices_ns_access(CSU_CSLX_USB_2, CSU_ALL_RW);
701 #endif
702 /* Erratum */
703 erratum_a008850_early(); /* part 1 of 2 */
704 erratum_a009660();
705 erratum_a010539();
706 erratum_a009008();
707 erratum_a009798();
708 erratum_a008997();
709 erratum_a009007();
710
711 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
712 set_icids();
713 #endif
714 }
715 #endif
716
717 #ifdef CONFIG_FSPI_AHB_EN_4BYTE
fspi_ahb_init(void)718 int fspi_ahb_init(void)
719 {
720 /* Enable 4bytes address support and fast read */
721 u32 *fspi_lut, lut_key, *fspi_key;
722
723 fspi_key = (void *)SYS_NXP_FSPI_ADDR + SYS_NXP_FSPI_LUTKEY_BASE_ADDR;
724 fspi_lut = (void *)SYS_NXP_FSPI_ADDR + SYS_NXP_FSPI_LUT_BASE_ADDR;
725
726 lut_key = in_be32(fspi_key);
727
728 if (lut_key == SYS_NXP_FSPI_LUTKEY) {
729 /* That means the register is BE */
730 out_be32(fspi_key, SYS_NXP_FSPI_LUTKEY);
731 /* Unlock the lut table */
732 out_be32(fspi_key + 1, SYS_NXP_FSPI_LUTCR_UNLOCK);
733 /* Create READ LUT */
734 out_be32(fspi_lut, 0x0820040c);
735 out_be32(fspi_lut + 1, 0x24003008);
736 out_be32(fspi_lut + 2, 0x00000000);
737 /* Lock the lut table */
738 out_be32(fspi_key, SYS_NXP_FSPI_LUTKEY);
739 out_be32(fspi_key + 1, SYS_NXP_FSPI_LUTCR_LOCK);
740 } else {
741 /* That means the register is LE */
742 out_le32(fspi_key, SYS_NXP_FSPI_LUTKEY);
743 /* Unlock the lut table */
744 out_le32(fspi_key + 1, SYS_NXP_FSPI_LUTCR_UNLOCK);
745 /* Create READ LUT */
746 out_le32(fspi_lut, 0x0820040c);
747 out_le32(fspi_lut + 1, 0x24003008);
748 out_le32(fspi_lut + 2, 0x00000000);
749 /* Lock the lut table */
750 out_le32(fspi_key, SYS_NXP_FSPI_LUTKEY);
751 out_le32(fspi_key + 1, SYS_NXP_FSPI_LUTCR_LOCK);
752 }
753
754 return 0;
755 }
756 #endif
757
758 #ifdef CONFIG_QSPI_AHB_INIT
759 /* Enable 4bytes address support and fast read */
qspi_ahb_init(void)760 int qspi_ahb_init(void)
761 {
762 u32 *qspi_lut, lut_key, *qspi_key;
763
764 qspi_key = (void *)SYS_FSL_QSPI_ADDR + 0x300;
765 qspi_lut = (void *)SYS_FSL_QSPI_ADDR + 0x310;
766
767 lut_key = in_be32(qspi_key);
768
769 if (lut_key == 0x5af05af0) {
770 /* That means the register is BE */
771 out_be32(qspi_key, 0x5af05af0);
772 /* Unlock the lut table */
773 out_be32(qspi_key + 1, 0x00000002);
774 out_be32(qspi_lut, 0x0820040c);
775 out_be32(qspi_lut + 1, 0x1c080c08);
776 out_be32(qspi_lut + 2, 0x00002400);
777 /* Lock the lut table */
778 out_be32(qspi_key, 0x5af05af0);
779 out_be32(qspi_key + 1, 0x00000001);
780 } else {
781 /* That means the register is LE */
782 out_le32(qspi_key, 0x5af05af0);
783 /* Unlock the lut table */
784 out_le32(qspi_key + 1, 0x00000002);
785 out_le32(qspi_lut, 0x0820040c);
786 out_le32(qspi_lut + 1, 0x1c080c08);
787 out_le32(qspi_lut + 2, 0x00002400);
788 /* Lock the lut table */
789 out_le32(qspi_key, 0x5af05af0);
790 out_le32(qspi_key + 1, 0x00000001);
791 }
792
793 return 0;
794 }
795 #endif
796
797 #ifdef CONFIG_TFABOOT
798 #define MAX_BOOTCMD_SIZE 512
799
fsl_setenv_bootcmd(void)800 int fsl_setenv_bootcmd(void)
801 {
802 int ret;
803 enum boot_src src = get_boot_src();
804 char bootcmd_str[MAX_BOOTCMD_SIZE];
805
806 switch (src) {
807 #ifdef IFC_NOR_BOOTCOMMAND
808 case BOOT_SOURCE_IFC_NOR:
809 sprintf(bootcmd_str, IFC_NOR_BOOTCOMMAND);
810 break;
811 #endif
812 #ifdef QSPI_NOR_BOOTCOMMAND
813 case BOOT_SOURCE_QSPI_NOR:
814 sprintf(bootcmd_str, QSPI_NOR_BOOTCOMMAND);
815 break;
816 #endif
817 #ifdef XSPI_NOR_BOOTCOMMAND
818 case BOOT_SOURCE_XSPI_NOR:
819 sprintf(bootcmd_str, XSPI_NOR_BOOTCOMMAND);
820 break;
821 #endif
822 #ifdef IFC_NAND_BOOTCOMMAND
823 case BOOT_SOURCE_IFC_NAND:
824 sprintf(bootcmd_str, IFC_NAND_BOOTCOMMAND);
825 break;
826 #endif
827 #ifdef QSPI_NAND_BOOTCOMMAND
828 case BOOT_SOURCE_QSPI_NAND:
829 sprintf(bootcmd_str, QSPI_NAND_BOOTCOMMAND);
830 break;
831 #endif
832 #ifdef XSPI_NAND_BOOTCOMMAND
833 case BOOT_SOURCE_XSPI_NAND:
834 sprintf(bootcmd_str, XSPI_NAND_BOOTCOMMAND);
835 break;
836 #endif
837 #ifdef SD_BOOTCOMMAND
838 case BOOT_SOURCE_SD_MMC:
839 sprintf(bootcmd_str, SD_BOOTCOMMAND);
840 break;
841 #endif
842 #ifdef SD2_BOOTCOMMAND
843 case BOOT_SOURCE_SD_MMC2:
844 sprintf(bootcmd_str, SD2_BOOTCOMMAND);
845 break;
846 #endif
847 default:
848 #ifdef QSPI_NOR_BOOTCOMMAND
849 sprintf(bootcmd_str, QSPI_NOR_BOOTCOMMAND);
850 #endif
851 break;
852 }
853
854 ret = env_set("bootcmd", bootcmd_str);
855 if (ret) {
856 printf("Failed to set bootcmd: ret = %d\n", ret);
857 return ret;
858 }
859 return 0;
860 }
861
fsl_setenv_mcinitcmd(void)862 int fsl_setenv_mcinitcmd(void)
863 {
864 int ret = 0;
865 enum boot_src src = get_boot_src();
866
867 switch (src) {
868 #ifdef IFC_MC_INIT_CMD
869 case BOOT_SOURCE_IFC_NAND:
870 case BOOT_SOURCE_IFC_NOR:
871 ret = env_set("mcinitcmd", IFC_MC_INIT_CMD);
872 break;
873 #endif
874 #ifdef QSPI_MC_INIT_CMD
875 case BOOT_SOURCE_QSPI_NAND:
876 case BOOT_SOURCE_QSPI_NOR:
877 ret = env_set("mcinitcmd", QSPI_MC_INIT_CMD);
878 break;
879 #endif
880 #ifdef XSPI_MC_INIT_CMD
881 case BOOT_SOURCE_XSPI_NAND:
882 case BOOT_SOURCE_XSPI_NOR:
883 ret = env_set("mcinitcmd", XSPI_MC_INIT_CMD);
884 break;
885 #endif
886 #ifdef SD_MC_INIT_CMD
887 case BOOT_SOURCE_SD_MMC:
888 ret = env_set("mcinitcmd", SD_MC_INIT_CMD);
889 break;
890 #endif
891 #ifdef SD2_MC_INIT_CMD
892 case BOOT_SOURCE_SD_MMC2:
893 ret = env_set("mcinitcmd", SD2_MC_INIT_CMD);
894 break;
895 #endif
896 default:
897 #ifdef QSPI_MC_INIT_CMD
898 ret = env_set("mcinitcmd", QSPI_MC_INIT_CMD);
899 #endif
900 break;
901 }
902
903 if (ret) {
904 printf("Failed to set mcinitcmd: ret = %d\n", ret);
905 return ret;
906 }
907 return 0;
908 }
909 #endif
910
911 #ifdef CONFIG_BOARD_LATE_INIT
fsl_board_late_init(void)912 __weak int fsl_board_late_init(void)
913 {
914 return 0;
915 }
916
917 #define DWC3_GSBUSCFG0 0xc100
918 #define DWC3_GSBUSCFG0_CACHETYPE_SHIFT 16
919 #define DWC3_GSBUSCFG0_CACHETYPE(n) (((n) & 0xffff) \
920 << DWC3_GSBUSCFG0_CACHETYPE_SHIFT)
921
enable_dwc3_snooping(void)922 void enable_dwc3_snooping(void)
923 {
924 int ret;
925 u32 val;
926 struct udevice *bus;
927 struct uclass *uc;
928 fdt_addr_t dwc3_base;
929
930 ret = uclass_get(UCLASS_USB, &uc);
931 if (ret)
932 return;
933
934 uclass_foreach_dev(bus, uc) {
935 if (!strcmp(bus->driver->of_match->compatible, "fsl,layerscape-dwc3")) {
936 dwc3_base = devfdt_get_addr(bus);
937 if (dwc3_base == FDT_ADDR_T_NONE) {
938 dev_err(bus, "dwc3 regs missing\n");
939 continue;
940 }
941 val = in_le32(dwc3_base + DWC3_GSBUSCFG0);
942 val &= ~DWC3_GSBUSCFG0_CACHETYPE(~0);
943 val |= DWC3_GSBUSCFG0_CACHETYPE(0x2222);
944 writel(val, dwc3_base + DWC3_GSBUSCFG0);
945 }
946 }
947 }
948
board_late_init(void)949 int board_late_init(void)
950 {
951 #ifdef CONFIG_CHAIN_OF_TRUST
952 fsl_setenv_chain_of_trust();
953 #endif
954 #ifdef CONFIG_TFABOOT
955 /*
956 * Set bootcmd and mcinitcmd if they don't exist in the environment.
957 */
958 if (!env_get("bootcmd"))
959 fsl_setenv_bootcmd();
960 if (!env_get("mcinitcmd"))
961 fsl_setenv_mcinitcmd();
962 #endif
963 #ifdef CONFIG_QSPI_AHB_INIT
964 qspi_ahb_init();
965 #endif
966 #ifdef CONFIG_FSPI_AHB_EN_4BYTE
967 fspi_ahb_init();
968 #endif
969
970 if (IS_ENABLED(CONFIG_DM))
971 enable_dwc3_snooping();
972
973 return fsl_board_late_init();
974 }
975 #endif
976