1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2014-2015 Freescale Semiconductor
9 #include <asm/arch/fsl_serdes.h>
10 #include <asm/arch/soc.h>
12 #include <asm/global_data.h>
13 #include <asm/arch-fsl-layerscape/config.h>
14 #include <asm/arch-fsl-layerscape/fsl_icid.h>
15 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
18 #ifdef CONFIG_SYS_FSL_DDR
19 #include <fsl_ddr_sdram.h>
22 #ifdef CONFIG_CHAIN_OF_TRUST
23 #include <fsl_validate.h>
25 #include <fsl_immap.h>
27 bool soc_has_dp_ddr(void)
29 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
30 u32 svr = gur_in32(&gur->svr);
32 /* LS2085A, LS2088A, LS2048A has DP_DDR */
33 if ((SVR_SOC_VER(svr) == SVR_LS2085A) ||
34 (SVR_SOC_VER(svr) == SVR_LS2088A) ||
35 (SVR_SOC_VER(svr) == SVR_LS2048A))
41 bool soc_has_aiop(void)
43 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
44 u32 svr = gur_in32(&gur->svr);
46 /* LS2085A has AIOP */
47 if (SVR_SOC_VER(svr) == SVR_LS2085A)
53 static inline void set_usb_txvreftune(u32 __iomem *scfg, u32 offset)
55 scfg_clrsetbits32(scfg + offset / 4,
57 SCFG_USB_TXVREFTUNE << 6);
60 static void erratum_a009008(void)
62 #ifdef CONFIG_SYS_FSL_ERRATUM_A009008
63 u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
65 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
66 defined(CONFIG_ARCH_LS1012A)
67 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB1);
68 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
69 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB2);
70 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB3);
72 #elif defined(CONFIG_ARCH_LS2080A)
73 set_usb_txvreftune(scfg, SCFG_USB3PRM1CR);
75 #endif /* CONFIG_SYS_FSL_ERRATUM_A009008 */
78 static inline void set_usb_sqrxtune(u32 __iomem *scfg, u32 offset)
80 scfg_clrbits32(scfg + offset / 4,
81 SCFG_USB_SQRXTUNE_MASK << 23);
84 static void erratum_a009798(void)
86 #ifdef CONFIG_SYS_FSL_ERRATUM_A009798
87 u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
89 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
90 defined(CONFIG_ARCH_LS1012A)
91 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB1);
92 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
93 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB2);
94 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB3);
96 #elif defined(CONFIG_ARCH_LS2080A)
97 set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR);
99 #endif /* CONFIG_SYS_FSL_ERRATUM_A009798 */
102 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
103 defined(CONFIG_ARCH_LS1012A)
104 static inline void set_usb_pcstxswingfull(u32 __iomem *scfg, u32 offset)
106 scfg_clrsetbits32(scfg + offset / 4,
108 SCFG_USB_PCSTXSWINGFULL << 9);
112 static void erratum_a008997(void)
114 #ifdef CONFIG_SYS_FSL_ERRATUM_A008997
115 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
116 defined(CONFIG_ARCH_LS1012A)
117 u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
119 set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB1);
120 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
121 set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB2);
122 set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB3);
125 #endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */
128 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
129 defined(CONFIG_ARCH_LS1012A)
131 #define PROGRAM_USB_PHY_RX_OVRD_IN_HI(phy) \
132 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1); \
133 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2); \
134 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3); \
135 out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4)
137 #elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A)
139 #define PROGRAM_USB_PHY_RX_OVRD_IN_HI(phy) \
140 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1); \
141 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2); \
142 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3); \
143 out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4)
147 static void erratum_a009007(void)
149 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
150 defined(CONFIG_ARCH_LS1012A)
151 void __iomem *usb_phy = (void __iomem *)SCFG_USB_PHY1;
153 PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
154 #if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
155 usb_phy = (void __iomem *)SCFG_USB_PHY2;
156 PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
158 usb_phy = (void __iomem *)SCFG_USB_PHY3;
159 PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
161 #elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A)
162 void __iomem *dcsr = (void __iomem *)DCSR_BASE;
164 PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY1);
165 PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY2);
166 #endif /* CONFIG_SYS_FSL_ERRATUM_A009007 */
169 #if defined(CONFIG_FSL_LSCH3)
171 * This erratum requires setting a value to eddrtqcr1 to
172 * optimal the DDR performance.
174 static void erratum_a008336(void)
176 #ifdef CONFIG_SYS_FSL_ERRATUM_A008336
179 #ifdef CONFIG_SYS_FSL_DCSR_DDR_ADDR
180 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR_ADDR + 0x800;
181 if (fsl_ddr_get_version(0) == 0x50200)
182 out_le32(eddrtqcr1, 0x63b30002);
184 #ifdef CONFIG_SYS_FSL_DCSR_DDR2_ADDR
185 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR2_ADDR + 0x800;
186 if (fsl_ddr_get_version(0) == 0x50200)
187 out_le32(eddrtqcr1, 0x63b30002);
193 * This erratum requires a register write before being Memory
194 * controller 3 being enabled.
196 static void erratum_a008514(void)
198 #ifdef CONFIG_SYS_FSL_ERRATUM_A008514
201 #ifdef CONFIG_SYS_FSL_DCSR_DDR3_ADDR
202 eddrtqcr1 = (void *)CONFIG_SYS_FSL_DCSR_DDR3_ADDR + 0x800;
203 out_le32(eddrtqcr1, 0x63b20002);
207 #ifdef CONFIG_SYS_FSL_ERRATUM_A009635
208 #define PLATFORM_CYCLE_ENV_VAR "a009635_interval_val"
210 static unsigned long get_internval_val_mhz(void)
212 char *interval = env_get(PLATFORM_CYCLE_ENV_VAR);
214 * interval is the number of platform cycles(MHz) between
215 * wake up events generated by EPU.
217 ulong interval_mhz = get_bus_freq(0) / (1000 * 1000);
220 interval_mhz = simple_strtoul(interval, NULL, 10);
225 void erratum_a009635(void)
228 unsigned long interval_mhz = get_internval_val_mhz();
233 val = in_le32(DCSR_CGACRE5);
234 writel(val | 0x00000200, DCSR_CGACRE5);
236 val = in_le32(EPU_EPCMPR5);
237 writel(interval_mhz, EPU_EPCMPR5);
238 val = in_le32(EPU_EPCCR5);
239 writel(val | 0x82820000, EPU_EPCCR5);
240 val = in_le32(EPU_EPSMCR5);
241 writel(val | 0x002f0000, EPU_EPSMCR5);
242 val = in_le32(EPU_EPECR5);
243 writel(val | 0x20000000, EPU_EPECR5);
244 val = in_le32(EPU_EPGCR);
245 writel(val | 0x80000000, EPU_EPGCR);
247 #endif /* CONFIG_SYS_FSL_ERRATUM_A009635 */
249 static void erratum_rcw_src(void)
251 #if defined(CONFIG_SPL) && defined(CONFIG_NAND_BOOT)
252 u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
253 u32 __iomem *dcfg_dcsr = (u32 __iomem *)DCFG_DCSR_BASE;
256 val = in_le32(dcfg_ccsr + DCFG_PORSR1 / 4);
257 val &= ~DCFG_PORSR1_RCW_SRC;
258 val |= DCFG_PORSR1_RCW_SRC_NOR;
259 out_le32(dcfg_dcsr + DCFG_DCSR_PORCR1 / 4, val);
263 #define I2C_DEBUG_REG 0x6
264 #define I2C_GLITCH_EN 0x8
266 * This erratum requires setting glitch_en bit to enable
267 * digital glitch filter to improve clock stability.
269 #ifdef CONFIG_SYS_FSL_ERRATUM_A009203
270 static void erratum_a009203(void)
272 #ifdef CONFIG_SYS_I2C
274 #ifdef I2C1_BASE_ADDR
275 ptr = (u8 __iomem *)(I2C1_BASE_ADDR + I2C_DEBUG_REG);
277 writeb(I2C_GLITCH_EN, ptr);
279 #ifdef I2C2_BASE_ADDR
280 ptr = (u8 __iomem *)(I2C2_BASE_ADDR + I2C_DEBUG_REG);
282 writeb(I2C_GLITCH_EN, ptr);
284 #ifdef I2C3_BASE_ADDR
285 ptr = (u8 __iomem *)(I2C3_BASE_ADDR + I2C_DEBUG_REG);
287 writeb(I2C_GLITCH_EN, ptr);
289 #ifdef I2C4_BASE_ADDR
290 ptr = (u8 __iomem *)(I2C4_BASE_ADDR + I2C_DEBUG_REG);
292 writeb(I2C_GLITCH_EN, ptr);
298 void bypass_smmu(void)
301 val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
302 out_le32(SMMU_SCR0, val);
303 val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
304 out_le32(SMMU_NSCR0, val);
306 void fsl_lsch3_early_init_f(void)
309 #ifdef CONFIG_FSL_IFC
310 init_early_memctl_regs(); /* tighten IFC timing */
312 #ifdef CONFIG_SYS_FSL_ERRATUM_A009203
321 #ifdef CONFIG_CHAIN_OF_TRUST
322 /* In case of Secure Boot, the IBR configures the SMMU
323 * to allow only Secure transactions.
324 * SMMU must be reset in bypass mode.
325 * Set the ClientPD bit and Clear the USFCFG Bit
327 if (fsl_check_boot_mode_secure() == 1)
332 /* Get VDD in the unit mV from voltage ID */
333 int get_core_volt_from_fuse(void)
335 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
340 /* get the voltage ID from fuse status register */
341 fusesr = in_le32(&gur->dcfg_fusesr);
342 debug("%s: fusesr = 0x%x\n", __func__, fusesr);
343 vid = (fusesr >> FSL_CHASSIS3_DCFG_FUSESR_ALTVID_SHIFT) &
344 FSL_CHASSIS3_DCFG_FUSESR_ALTVID_MASK;
345 if ((vid == 0) || (vid == FSL_CHASSIS3_DCFG_FUSESR_ALTVID_MASK)) {
346 vid = (fusesr >> FSL_CHASSIS3_DCFG_FUSESR_VID_SHIFT) &
347 FSL_CHASSIS3_DCFG_FUSESR_VID_MASK;
349 debug("%s: VID = 0x%x\n", __func__, vid);
351 case 0x00: /* VID isn't supported */
353 debug("%s: The VID feature is not supported\n", __func__);
355 case 0x08: /* 0.9V silicon */
358 case 0x10: /* 1.0V silicon */
361 default: /* Other core voltage */
363 debug("%s: The VID(%x) isn't supported\n", __func__, vid);
366 debug("%s: The required minimum volt of CORE is %dmV\n", __func__, vdd);
371 #elif defined(CONFIG_FSL_LSCH2)
373 static void erratum_a009929(void)
375 #ifdef CONFIG_SYS_FSL_ERRATUM_A009929
376 struct ccsr_gur *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
377 u32 __iomem *dcsr_cop_ccp = (void *)CONFIG_SYS_DCSR_COP_CCP_ADDR;
378 u32 rstrqmr1 = gur_in32(&gur->rstrqmr1);
380 rstrqmr1 |= 0x00000400;
381 gur_out32(&gur->rstrqmr1, rstrqmr1);
382 writel(0x01000000, dcsr_cop_ccp);
387 * This erratum requires setting a value to eddrtqcr1 to optimal
388 * the DDR performance. The eddrtqcr1 register is in SCFG space
389 * of LS1043A and the offset is 0x157_020c.
391 #if defined(CONFIG_SYS_FSL_ERRATUM_A009660) \
392 && defined(CONFIG_SYS_FSL_ERRATUM_A008514)
393 #error A009660 and A008514 can not be both enabled.
396 static void erratum_a009660(void)
398 #ifdef CONFIG_SYS_FSL_ERRATUM_A009660
399 u32 *eddrtqcr1 = (void *)CONFIG_SYS_FSL_SCFG_ADDR + 0x20c;
400 out_be32(eddrtqcr1, 0x63b20042);
404 static void erratum_a008850_early(void)
406 #ifdef CONFIG_SYS_FSL_ERRATUM_A008850
408 struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
409 CONFIG_SYS_CCI400_OFFSET);
410 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
412 /* Skip if running at lower exception level */
413 if (current_el() < 3)
416 /* disables propagation of barrier transactions to DDRC from CCI400 */
417 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
419 /* disable the re-ordering in DDRC */
420 ddr_out32(&ddr->eor, DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
424 void erratum_a008850_post(void)
426 #ifdef CONFIG_SYS_FSL_ERRATUM_A008850
428 struct ccsr_cci400 __iomem *cci = (void *)(CONFIG_SYS_IMMR +
429 CONFIG_SYS_CCI400_OFFSET);
430 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
433 /* Skip if running at lower exception level */
434 if (current_el() < 3)
437 /* enable propagation of barrier transactions to DDRC from CCI400 */
438 out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
440 /* enable the re-ordering in DDRC */
441 tmp = ddr_in32(&ddr->eor);
442 tmp &= ~(DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS);
443 ddr_out32(&ddr->eor, tmp);
447 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315
448 void erratum_a010315(void)
452 for (i = PCIE1; i <= PCIE4; i++)
453 if (!is_serdes_configured(i)) {
454 debug("PCIe%d: disabled all R/W permission!\n", i);
455 set_pcie_ns_access(i, 0);
460 static void erratum_a010539(void)
462 #if defined(CONFIG_SYS_FSL_ERRATUM_A010539) && defined(CONFIG_QSPI_BOOT)
463 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
466 porsr1 = in_be32(&gur->porsr1);
467 porsr1 &= ~FSL_CHASSIS2_CCSR_PORSR1_RCW_MASK;
468 out_be32((void *)(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_PORCR1),
470 out_be32((void *)(CONFIG_SYS_FSL_SCFG_ADDR + 0x1a8), 0xffffffff);
474 /* Get VDD in the unit mV from voltage ID */
475 int get_core_volt_from_fuse(void)
477 struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
482 fusesr = in_be32(&gur->dcfg_fusesr);
483 debug("%s: fusesr = 0x%x\n", __func__, fusesr);
484 vid = (fusesr >> FSL_CHASSIS2_DCFG_FUSESR_ALTVID_SHIFT) &
485 FSL_CHASSIS2_DCFG_FUSESR_ALTVID_MASK;
486 if ((vid == 0) || (vid == FSL_CHASSIS2_DCFG_FUSESR_ALTVID_MASK)) {
487 vid = (fusesr >> FSL_CHASSIS2_DCFG_FUSESR_VID_SHIFT) &
488 FSL_CHASSIS2_DCFG_FUSESR_VID_MASK;
490 debug("%s: VID = 0x%x\n", __func__, vid);
492 case 0x00: /* VID isn't supported */
494 debug("%s: The VID feature is not supported\n", __func__);
496 case 0x08: /* 0.9V silicon */
499 case 0x10: /* 1.0V silicon */
502 default: /* Other core voltage */
504 printf("%s: The VID(%x) isn't supported\n", __func__, vid);
507 debug("%s: The required minimum volt of CORE is %dmV\n", __func__, vdd);
512 __weak int board_switch_core_volt(u32 vdd)
517 static int setup_core_volt(u32 vdd)
519 return board_setup_core_volt(vdd);
522 #ifdef CONFIG_SYS_FSL_DDR
523 static void ddr_enable_0v9_volt(bool en)
525 struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR;
528 tmp = ddr_in32(&ddr->ddr_cdr1);
531 tmp |= DDR_CDR1_V0PT9_EN;
533 tmp &= ~DDR_CDR1_V0PT9_EN;
535 ddr_out32(&ddr->ddr_cdr1, tmp);
539 int setup_chip_volt(void)
543 vdd = get_core_volt_from_fuse();
544 /* Nothing to do for silicons doesn't support VID */
548 if (setup_core_volt(vdd))
549 printf("%s: Switch core VDD to %dmV failed\n", __func__, vdd);
550 #ifdef CONFIG_SYS_HAS_SERDES
551 if (setup_serdes_volt(vdd))
552 printf("%s: Switch SVDD to %dmV failed\n", __func__, vdd);
555 #ifdef CONFIG_SYS_FSL_DDR
557 ddr_enable_0v9_volt(true);
563 #ifdef CONFIG_FSL_PFE
564 void init_pfe_scfg_dcfg_regs(void)
566 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
569 out_be32(&scfg->pfeasbcr,
570 in_be32(&scfg->pfeasbcr) | SCFG_PFEASBCR_AWCACHE0);
571 out_be32(&scfg->pfebsbcr,
572 in_be32(&scfg->pfebsbcr) | SCFG_PFEASBCR_AWCACHE0);
574 /* CCI-400 QoS settings for PFE */
575 out_be32(&scfg->wr_qos1, (unsigned int)(SCFG_WR_QOS1_PFE1_QOS
576 | SCFG_WR_QOS1_PFE2_QOS));
577 out_be32(&scfg->rd_qos1, (unsigned int)(SCFG_RD_QOS1_PFE1_QOS
578 | SCFG_RD_QOS1_PFE2_QOS));
580 ecccr2 = in_be32(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_ECCCR2);
581 out_be32((void *)CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_ECCCR2,
582 ecccr2 | (unsigned int)DISABLE_PFE_ECC);
586 void fsl_lsch2_early_init_f(void)
588 struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
589 CONFIG_SYS_CCI400_OFFSET);
590 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
592 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
593 enable_layerscape_ns_access();
596 #ifdef CONFIG_FSL_IFC
597 init_early_memctl_regs(); /* tighten IFC timing */
600 #if defined(CONFIG_FSL_QSPI) && !defined(CONFIG_QSPI_BOOT)
601 out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
603 /* Make SEC reads and writes snoopable */
604 setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP |
605 SCFG_SNPCNFGCR_SECWRSNP |
606 SCFG_SNPCNFGCR_SATARDSNP |
607 SCFG_SNPCNFGCR_SATAWRSNP);
610 * Enable snoop requests and DVM message requests for
611 * Slave insterface S4 (A53 core cluster)
613 if (current_el() == 3) {
614 out_le32(&cci->slave[4].snoop_ctrl,
615 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
619 erratum_a008850_early(); /* part 1 of 2 */
628 #ifdef CONFIG_ARCH_LS1046A
634 #ifdef CONFIG_QSPI_AHB_INIT
635 /* Enable 4bytes address support and fast read */
636 int qspi_ahb_init(void)
638 u32 *qspi_lut, lut_key, *qspi_key;
640 qspi_key = (void *)SYS_FSL_QSPI_ADDR + 0x300;
641 qspi_lut = (void *)SYS_FSL_QSPI_ADDR + 0x310;
643 lut_key = in_be32(qspi_key);
645 if (lut_key == 0x5af05af0) {
646 /* That means the register is BE */
647 out_be32(qspi_key, 0x5af05af0);
648 /* Unlock the lut table */
649 out_be32(qspi_key + 1, 0x00000002);
650 out_be32(qspi_lut, 0x0820040c);
651 out_be32(qspi_lut + 1, 0x1c080c08);
652 out_be32(qspi_lut + 2, 0x00002400);
653 /* Lock the lut table */
654 out_be32(qspi_key, 0x5af05af0);
655 out_be32(qspi_key + 1, 0x00000001);
657 /* That means the register is LE */
658 out_le32(qspi_key, 0x5af05af0);
659 /* Unlock the lut table */
660 out_le32(qspi_key + 1, 0x00000002);
661 out_le32(qspi_lut, 0x0820040c);
662 out_le32(qspi_lut + 1, 0x1c080c08);
663 out_le32(qspi_lut + 2, 0x00002400);
664 /* Lock the lut table */
665 out_le32(qspi_key, 0x5af05af0);
666 out_le32(qspi_key + 1, 0x00000001);
673 #ifdef CONFIG_BOARD_LATE_INIT
674 int board_late_init(void)
676 #ifdef CONFIG_CHAIN_OF_TRUST
677 fsl_setenv_chain_of_trust();
679 #ifdef CONFIG_QSPI_AHB_INIT