uboot/arch/arm/cpu/armv8/fsl-layerscape/soc.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright 2014-2015 Freescale Semiconductor
   4 * Copyright 2019-2021 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
  40DECLARE_GLOBAL_DATA_PTR;
  41#endif
  42
  43#ifdef CONFIG_GIC_V3_ITS
  44int 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
  71bool 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
  85bool 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
  97static 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
 104static 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
 122static 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
 128static 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)
 148static 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
 156static 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
 197static 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)
 221static void erratum_a050204(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 */
 234static 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 */
 256static 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
 270static 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 = dectoul(interval, NULL);
 281
 282        return interval_mhz;
 283}
 284
 285void 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
 309static 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
 330static void erratum_a009203(void)
 331{
 332#ifdef CONFIG_SYS_I2C_LEGACY
 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
 358void 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}
 366void 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_a050204();
 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 */
 400int 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
 449static 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
 457static 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
 477void 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
 501void 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
 513static 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 */
 528int 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
 565__weak int board_switch_core_volt(u32 vdd)
 566{
 567        return 0;
 568}
 569
 570static int setup_core_volt(u32 vdd)
 571{
 572        return board_setup_core_volt(vdd);
 573}
 574
 575#ifdef CONFIG_SYS_FSL_DDR
 576static 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
 592int 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
 617void 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
 639void 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
 718int 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 */
 760int 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
 800int 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
 862int 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
 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
 922void 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
 949int 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 "fsl_bootcmd_mcinitcmd_set" does
 957         * not exists in env
 958         */
 959        if (env_get_yesno("fsl_bootcmd_mcinitcmd_set") <= 0) {
 960                // Set bootcmd and mcinitcmd as per boot source
 961                fsl_setenv_bootcmd();
 962                fsl_setenv_mcinitcmd();
 963                env_set("fsl_bootcmd_mcinitcmd_set", "y");
 964        }
 965#endif
 966#ifdef CONFIG_QSPI_AHB_INIT
 967        qspi_ahb_init();
 968#endif
 969#ifdef CONFIG_FSPI_AHB_EN_4BYTE
 970        fspi_ahb_init();
 971#endif
 972
 973        if (IS_ENABLED(CONFIG_DM))
 974                enable_dwc3_snooping();
 975
 976        return fsl_board_late_init();
 977}
 978#endif
 979