2 * Copyright 2014-2015 Freescale Semiconductor
4 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/arch/fsl_serdes.h>
12 #include <asm/arch/soc.h>
14 #include <asm/global_data.h>
15 #include <asm/arch-fsl-layerscape/config.h>
16 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
19 #ifdef CONFIG_SYS_FSL_DDR
20 #include <fsl_ddr_sdram.h>
23 #ifdef CONFIG_CHAIN_OF_TRUST
24 #include <fsl_validate.h>
27 DECLARE_GLOBAL_DATA_PTR;
29 bool soc_has_dp_ddr(void)
31 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
32 u32 svr = gur_in32(&gur->svr);
34 /* LS2085A, LS2088A, LS2048A has DP_DDR */
35 if ((SVR_SOC_VER(svr) == SVR_LS2085A) ||
36 (SVR_SOC_VER(svr) == SVR_LS2088A) ||
37 (SVR_SOC_VER(svr) == SVR_LS2048A))
43 bool soc_has_aiop(void)
45 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
46 u32 svr = gur_in32(&gur->svr);
48 /* LS2085A has AIOP */
49 if (SVR_SOC_VER(svr) == SVR_LS2085A)
55 #if defined(CONFIG_FSL_LSCH3)
57 * This erratum requires setting a value to eddrtqcr1 to
58 * optimal the DDR performance.
60 static void erratum_a008336(void)
62 #ifdef CONFIG_SYS_FSL_ERRATUM_A008336
65 #ifdef CONFIG_SYS_FSL_DCSR_DDR_ADDR
66 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR_ADDR + 0x800;
67 if (fsl_ddr_get_version(0) == 0x50200)
68 out_le32(eddrtqcr1, 0x63b30002);
70 #ifdef CONFIG_SYS_FSL_DCSR_DDR2_ADDR
71 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR2_ADDR + 0x800;
72 if (fsl_ddr_get_version(0) == 0x50200)
73 out_le32(eddrtqcr1, 0x63b30002);
79 * This erratum requires a register write before being Memory
80 * controller 3 being enabled.
82 static void erratum_a008514(void)
84 #ifdef CONFIG_SYS_FSL_ERRATUM_A008514
87 #ifdef CONFIG_SYS_FSL_DCSR_DDR3_ADDR
88 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR3_ADDR + 0x800;
89 out_le32(eddrtqcr1, 0x63b20002);
93 #ifdef CONFIG_SYS_FSL_ERRATUM_A009635
94 #define PLATFORM_CYCLE_ENV_VAR "a009635_interval_val"
96 static unsigned long get_internval_val_mhz(void)
98 char *interval = getenv(PLATFORM_CYCLE_ENV_VAR);
100 * interval is the number of platform cycles(MHz) between
101 * wake up events generated by EPU.
103 ulong interval_mhz = get_bus_freq(0) / (1000 * 1000);
106 interval_mhz = simple_strtoul(interval, NULL, 10);
111 void erratum_a009635(void)
114 unsigned long interval_mhz = get_internval_val_mhz();
119 val = in_le32(DCSR_CGACRE5);
120 writel(val | 0x00000200, DCSR_CGACRE5);
122 val = in_le32(EPU_EPCMPR5);
123 writel(interval_mhz, EPU_EPCMPR5);
124 val = in_le32(EPU_EPCCR5);
125 writel(val | 0x82820000, EPU_EPCCR5);
126 val = in_le32(EPU_EPSMCR5);
127 writel(val | 0x002f0000, EPU_EPSMCR5);
128 val = in_le32(EPU_EPECR5);
129 writel(val | 0x20000000, EPU_EPECR5);
130 val = in_le32(EPU_EPGCR);
131 writel(val | 0x80000000, EPU_EPGCR);
133 #endif /* CONFIG_SYS_FSL_ERRATUM_A009635 */
135 static void erratum_rcw_src(void)
137 #if defined(CONFIG_SPL)
138 u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
139 u32 __iomem *dcfg_dcsr = (u32 __iomem *)DCFG_DCSR_BASE;
142 val = in_le32(dcfg_ccsr + DCFG_PORSR1 / 4);
143 val &= ~DCFG_PORSR1_RCW_SRC;
144 val |= DCFG_PORSR1_RCW_SRC_NOR;
145 out_le32(dcfg_dcsr + DCFG_DCSR_PORCR1 / 4, val);
149 #define I2C_DEBUG_REG 0x6
150 #define I2C_GLITCH_EN 0x8
152 * This erratum requires setting glitch_en bit to enable
153 * digital glitch filter to improve clock stability.
155 #ifdef CONFIG_SYS_FSL_ERRATUM_A009203
156 static void erratum_a009203(void)
159 #ifdef CONFIG_SYS_I2C
160 #ifdef I2C1_BASE_ADDR
161 ptr = (u8 __iomem *)(I2C1_BASE_ADDR + I2C_DEBUG_REG);
163 writeb(I2C_GLITCH_EN, ptr);
165 #ifdef I2C2_BASE_ADDR
166 ptr = (u8 __iomem *)(I2C2_BASE_ADDR + I2C_DEBUG_REG);
168 writeb(I2C_GLITCH_EN, ptr);
170 #ifdef I2C3_BASE_ADDR
171 ptr = (u8 __iomem *)(I2C3_BASE_ADDR + I2C_DEBUG_REG);
173 writeb(I2C_GLITCH_EN, ptr);
175 #ifdef I2C4_BASE_ADDR
176 ptr = (u8 __iomem *)(I2C4_BASE_ADDR + I2C_DEBUG_REG);
178 writeb(I2C_GLITCH_EN, ptr);
184 void bypass_smmu(void)
187 val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
188 out_le32(SMMU_SCR0, val);
189 val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
190 out_le32(SMMU_NSCR0, val);
192 void fsl_lsch3_early_init_f(void)
195 init_early_memctl_regs(); /* tighten IFC timing */
196 #ifdef CONFIG_SYS_FSL_ERRATUM_A009203
201 #ifdef CONFIG_CHAIN_OF_TRUST
202 /* In case of Secure Boot, the IBR configures the SMMU
203 * to allow only Secure transactions.
204 * SMMU must be reset in bypass mode.
205 * Set the ClientPD bit and Clear the USFCFG Bit
207 if (fsl_check_boot_mode_secure() == 1)
212 #ifdef CONFIG_SCSI_AHCI_PLAT
215 struct ccsr_ahci __iomem *ccsr_ahci;
217 ccsr_ahci = (void *)CONFIG_SYS_SATA2;
218 out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
219 out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
220 out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG);
222 ccsr_ahci = (void *)CONFIG_SYS_SATA1;
223 out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
224 out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
225 out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG);
227 ahci_init((void __iomem *)CONFIG_SYS_SATA1);
234 #elif defined(CONFIG_FSL_LSCH2)
235 #ifdef CONFIG_SCSI_AHCI_PLAT
238 struct ccsr_ahci __iomem *ccsr_ahci = (void *)CONFIG_SYS_SATA;
240 /* Disable SATA ECC */
241 out_le32((void *)CONFIG_SYS_DCSR_DCFG_ADDR + 0x520, 0x80000000);
242 out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
243 out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
244 out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG);
246 ahci_init((void __iomem *)CONFIG_SYS_SATA);
253 static void erratum_a009929(void)
255 #ifdef CONFIG_SYS_FSL_ERRATUM_A009929
256 struct ccsr_gur *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
257 u32 __iomem *dcsr_cop_ccp = (void *)CONFIG_SYS_DCSR_COP_CCP_ADDR;
258 u32 rstrqmr1 = gur_in32(&gur->rstrqmr1);
260 rstrqmr1 |= 0x00000400;
261 gur_out32(&gur->rstrqmr1, rstrqmr1);
262 writel(0x01000000, dcsr_cop_ccp);
267 * This erratum requires setting a value to eddrtqcr1 to optimal
268 * the DDR performance. The eddrtqcr1 register is in SCFG space
269 * of LS1043A and the offset is 0x157_020c.
271 #if defined(CONFIG_SYS_FSL_ERRATUM_A009660) \
272 && defined(CONFIG_SYS_FSL_ERRATUM_A008514)
273 #error A009660 and A008514 can not be both enabled.
276 static void erratum_a009660(void)
278 #ifdef CONFIG_SYS_FSL_ERRATUM_A009660
279 u32 *eddrtqcr1 = (void *)CONFIG_SYS_FSL_SCFG_ADDR + 0x20c;
280 out_be32(eddrtqcr1, 0x63b20042);
284 static void erratum_a008850_early(void)
286 #ifdef CONFIG_SYS_FSL_ERRATUM_A008850
288 struct ccsr_cci400 __iomem *cci = (void *)CONFIG_SYS_CCI400_ADDR;
289 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
291 /* disables propagation of barrier transactions to DDRC from CCI400 */
292 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
294 /* disable the re-ordering in DDRC */
295 ddr_out32(&ddr->eor, DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
299 void erratum_a008850_post(void)
301 #ifdef CONFIG_SYS_FSL_ERRATUM_A008850
303 struct ccsr_cci400 __iomem *cci = (void *)CONFIG_SYS_CCI400_ADDR;
304 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
307 /* enable propagation of barrier transactions to DDRC from CCI400 */
308 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
310 /* enable the re-ordering in DDRC */
311 tmp = ddr_in32(&ddr->eor);
312 tmp &= ~(DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
313 ddr_out32(&ddr->eor, tmp);
317 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315
318 void erratum_a010315(void)
322 for (i = PCIE1; i <= PCIE4; i++)
323 if (!is_serdes_configured(i)) {
324 debug("PCIe%d: disabled all R/W permission!\n", i);
325 set_pcie_ns_access(i, 0);
330 static void erratum_a010539(void)
332 #if defined(CONFIG_SYS_FSL_ERRATUM_A010539) && defined(CONFIG_QSPI_BOOT)
333 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
336 porsr1 = in_be32(&gur->porsr1);
337 porsr1 &= ~FSL_CHASSIS2_CCSR_PORSR1_RCW_MASK;
338 out_be32((void *)(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_PORCR1),
343 /* Get VDD in the unit mV from voltage ID */
344 int get_core_volt_from_fuse(void)
346 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
351 fusesr = in_be32(&gur->dcfg_fusesr);
352 debug("%s: fusesr = 0x%x\n", __func__, fusesr);
353 vid = (fusesr >> FSL_CHASSIS2_DCFG_FUSESR_ALTVID_SHIFT) &
354 FSL_CHASSIS2_DCFG_FUSESR_ALTVID_MASK;
355 if ((vid == 0) || (vid == FSL_CHASSIS2_DCFG_FUSESR_ALTVID_MASK)) {
356 vid = (fusesr >> FSL_CHASSIS2_DCFG_FUSESR_VID_SHIFT) &
357 FSL_CHASSIS2_DCFG_FUSESR_VID_MASK;
359 debug("%s: VID = 0x%x\n", __func__, vid);
361 case 0x00: /* VID isn't supported */
363 debug("%s: The VID feature is not supported\n", __func__);
365 case 0x08: /* 0.9V silicon */
368 case 0x10: /* 1.0V silicon */
371 default: /* Other core voltage */
373 printf("%s: The VID(%x) isn't supported\n", __func__, vid);
376 debug("%s: The required minimum volt of CORE is %dmV\n", __func__, vdd);
381 __weak int board_switch_core_volt(u32 vdd)
386 static int setup_core_volt(u32 vdd)
388 return board_setup_core_volt(vdd);
391 #ifdef CONFIG_SYS_FSL_DDR
392 static void ddr_enable_0v9_volt(bool en)
394 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
397 tmp = ddr_in32(&ddr->ddr_cdr1);
400 tmp |= DDR_CDR1_V0PT9_EN;
402 tmp &= ~DDR_CDR1_V0PT9_EN;
404 ddr_out32(&ddr->ddr_cdr1, tmp);
408 int setup_chip_volt(void)
412 vdd = get_core_volt_from_fuse();
413 /* Nothing to do for silicons doesn't support VID */
417 if (setup_core_volt(vdd))
418 printf("%s: Switch core VDD to %dmV failed\n", __func__, vdd);
419 #ifdef CONFIG_SYS_HAS_SERDES
420 if (setup_serdes_volt(vdd))
421 printf("%s: Switch SVDD to %dmV failed\n", __func__, vdd);
424 #ifdef CONFIG_SYS_FSL_DDR
426 ddr_enable_0v9_volt(true);
432 void fsl_lsch2_early_init_f(void)
434 struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
435 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
437 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
438 enable_layerscape_ns_access();
441 #ifdef CONFIG_FSL_IFC
442 init_early_memctl_regs(); /* tighten IFC timing */
445 #if defined(CONFIG_FSL_QSPI) && !defined(CONFIG_QSPI_BOOT)
446 out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
448 /* Make SEC reads and writes snoopable */
449 setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP |
450 SCFG_SNPCNFGCR_SECWRSNP |
451 SCFG_SNPCNFGCR_SATARDSNP |
452 SCFG_SNPCNFGCR_SATAWRSNP);
455 * Enable snoop requests and DVM message requests for
456 * Slave insterface S4 (A53 core cluster)
458 out_le32(&cci->slave[4].snoop_ctrl,
459 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
462 erratum_a008850_early(); /* part 1 of 2 */
469 #ifdef CONFIG_QSPI_AHB_INIT
470 /* Enable 4bytes address support and fast read */
471 int qspi_ahb_init(void)
473 u32 *qspi_lut, lut_key, *qspi_key;
475 qspi_key = (void *)SYS_FSL_QSPI_ADDR + 0x300;
476 qspi_lut = (void *)SYS_FSL_QSPI_ADDR + 0x310;
478 lut_key = in_be32(qspi_key);
480 if (lut_key == 0x5af05af0) {
481 /* That means the register is BE */
482 out_be32(qspi_key, 0x5af05af0);
483 /* Unlock the lut table */
484 out_be32(qspi_key + 1, 0x00000002);
485 out_be32(qspi_lut, 0x0820040c);
486 out_be32(qspi_lut + 1, 0x1c080c08);
487 out_be32(qspi_lut + 2, 0x00002400);
488 /* Lock the lut table */
489 out_be32(qspi_key, 0x5af05af0);
490 out_be32(qspi_key + 1, 0x00000001);
492 /* That means the register is LE */
493 out_le32(qspi_key, 0x5af05af0);
494 /* Unlock the lut table */
495 out_le32(qspi_key + 1, 0x00000002);
496 out_le32(qspi_lut, 0x0820040c);
497 out_le32(qspi_lut + 1, 0x1c080c08);
498 out_le32(qspi_lut + 2, 0x00002400);
499 /* Lock the lut table */
500 out_le32(qspi_key, 0x5af05af0);
501 out_le32(qspi_key + 1, 0x00000001);
508 #ifdef CONFIG_BOARD_LATE_INIT
509 int board_late_init(void)
511 #ifdef CONFIG_SCSI_AHCI_PLAT
514 #ifdef CONFIG_CHAIN_OF_TRUST
515 fsl_setenv_chain_of_trust();
517 #ifdef CONFIG_QSPI_AHB_INIT