uboot/board/freescale/ls1021atwr/ls1021atwr.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright 2014 Freescale Semiconductor, Inc.
   4 * Copyright 2019 NXP
   5 */
   6
   7#include <common.h>
   8#include <clock_legacy.h>
   9#include <command.h>
  10#include <fdt_support.h>
  11#include <i2c.h>
  12#include <init.h>
  13#include <net.h>
  14#include <asm/global_data.h>
  15#include <asm/io.h>
  16#include <asm/arch/immap_ls102xa.h>
  17#include <asm/arch/clock.h>
  18#include <asm/arch/fsl_serdes.h>
  19#include <asm/arch/ls102xa_devdis.h>
  20#include <asm/arch/ls102xa_soc.h>
  21#include <hwconfig.h>
  22#include <mmc.h>
  23#include <fsl_csu.h>
  24#include <fsl_ifc.h>
  25#include <fsl_immap.h>
  26#include <netdev.h>
  27#include <fsl_mdio.h>
  28#include <tsec.h>
  29#include <fsl_sec.h>
  30#include <fsl_devdis.h>
  31#include <spl.h>
  32#include <linux/delay.h>
  33#include "../common/sleep.h"
  34#ifdef CONFIG_U_QE
  35#include <fsl_qe.h>
  36#endif
  37#include <fsl_validate.h>
  38
  39
  40DECLARE_GLOBAL_DATA_PTR;
  41
  42#define VERSION_MASK            0x00FF
  43#define BANK_MASK               0x0001
  44#define CFG_RESET               0x1
  45#define INIT_RESET              0x1
  46
  47#define CPLD_SET_MUX_SERDES     0x20
  48#define CPLD_SET_BOOT_BANK      0x40
  49
  50#define BOOT_FROM_UPPER_BANK    0x0
  51#define BOOT_FROM_LOWER_BANK    0x1
  52
  53#define LANEB_SATA              (0x01)
  54#define LANEB_SGMII1            (0x02)
  55#define LANEC_SGMII1            (0x04)
  56#define LANEC_PCIEX1            (0x08)
  57#define LANED_PCIEX2            (0x10)
  58#define LANED_SGMII2            (0x20)
  59
  60#define MASK_LANE_B             0x1
  61#define MASK_LANE_C             0x2
  62#define MASK_LANE_D             0x4
  63#define MASK_SGMII              0x8
  64
  65#define KEEP_STATUS             0x0
  66#define NEED_RESET              0x1
  67
  68#define SOFT_MUX_ON_I2C3_IFC    0x2
  69#define SOFT_MUX_ON_CAN3_USB2   0x8
  70#define SOFT_MUX_ON_QE_LCD      0x10
  71
  72#define PIN_I2C3_IFC_MUX_I2C3   0x0
  73#define PIN_I2C3_IFC_MUX_IFC    0x1
  74#define PIN_CAN3_USB2_MUX_USB2  0x0
  75#define PIN_CAN3_USB2_MUX_CAN3  0x1
  76#define PIN_QE_LCD_MUX_LCD      0x0
  77#define PIN_QE_LCD_MUX_QE       0x1
  78
  79struct cpld_data {
  80        u8 cpld_ver;            /* cpld revision */
  81        u8 cpld_ver_sub;        /* cpld sub revision */
  82        u8 pcba_ver;            /* pcb revision number */
  83        u8 system_rst;          /* reset system by cpld */
  84        u8 soft_mux_on;         /* CPLD override physical switches Enable */
  85        u8 cfg_rcw_src1;        /* Reset config word 1 */
  86        u8 cfg_rcw_src2;        /* Reset config word 2 */
  87        u8 vbank;               /* Flash bank selection Control */
  88        u8 gpio;                /* GPIO for TWR-ELEV */
  89        u8 i2c3_ifc_mux;
  90        u8 mux_spi2;
  91        u8 can3_usb2_mux;       /* CAN3 and USB2 Selection */
  92        u8 qe_lcd_mux;          /* QE and LCD Selection */
  93        u8 serdes_mux;          /* Multiplexed pins for SerDes Lanes */
  94        u8 global_rst;          /* reset with init CPLD reg to default */
  95        u8 rev1;                /* Reserved */
  96        u8 rev2;                /* Reserved */
  97};
  98
  99#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
 100static void cpld_show(void)
 101{
 102        struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
 103
 104        printf("CPLD:  V%x.%x\nPCBA:  V%x.0\nVBank: %d\n",
 105               in_8(&cpld_data->cpld_ver) & VERSION_MASK,
 106               in_8(&cpld_data->cpld_ver_sub) & VERSION_MASK,
 107               in_8(&cpld_data->pcba_ver) & VERSION_MASK,
 108               in_8(&cpld_data->vbank) & BANK_MASK);
 109
 110#ifdef CONFIG_DEBUG
 111        printf("soft_mux_on =%x\n",
 112               in_8(&cpld_data->soft_mux_on));
 113        printf("cfg_rcw_src1 =%x\n",
 114               in_8(&cpld_data->cfg_rcw_src1));
 115        printf("cfg_rcw_src2 =%x\n",
 116               in_8(&cpld_data->cfg_rcw_src2));
 117        printf("vbank =%x\n",
 118               in_8(&cpld_data->vbank));
 119        printf("gpio =%x\n",
 120               in_8(&cpld_data->gpio));
 121        printf("i2c3_ifc_mux =%x\n",
 122               in_8(&cpld_data->i2c3_ifc_mux));
 123        printf("mux_spi2 =%x\n",
 124               in_8(&cpld_data->mux_spi2));
 125        printf("can3_usb2_mux =%x\n",
 126               in_8(&cpld_data->can3_usb2_mux));
 127        printf("qe_lcd_mux =%x\n",
 128               in_8(&cpld_data->qe_lcd_mux));
 129        printf("serdes_mux =%x\n",
 130               in_8(&cpld_data->serdes_mux));
 131#endif
 132}
 133#endif
 134
 135int checkboard(void)
 136{
 137        puts("Board: LS1021ATWR\n");
 138#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
 139        cpld_show();
 140#endif
 141
 142        return 0;
 143}
 144
 145void ddrmc_init(void)
 146{
 147        struct ccsr_ddr *ddr = (struct ccsr_ddr *)CONFIG_SYS_FSL_DDR_ADDR;
 148        u32 temp_sdram_cfg, tmp;
 149
 150        out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG);
 151
 152        out_be32(&ddr->cs0_bnds, DDR_CS0_BNDS);
 153        out_be32(&ddr->cs0_config, DDR_CS0_CONFIG);
 154
 155        out_be32(&ddr->timing_cfg_0, DDR_TIMING_CFG_0);
 156        out_be32(&ddr->timing_cfg_1, DDR_TIMING_CFG_1);
 157        out_be32(&ddr->timing_cfg_2, DDR_TIMING_CFG_2);
 158        out_be32(&ddr->timing_cfg_3, DDR_TIMING_CFG_3);
 159        out_be32(&ddr->timing_cfg_4, DDR_TIMING_CFG_4);
 160        out_be32(&ddr->timing_cfg_5, DDR_TIMING_CFG_5);
 161
 162#ifdef CONFIG_DEEP_SLEEP
 163        if (is_warm_boot()) {
 164                out_be32(&ddr->sdram_cfg_2,
 165                         DDR_SDRAM_CFG_2 & ~SDRAM_CFG2_D_INIT);
 166                out_be32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE);
 167                out_be32(&ddr->init_ext_addr, (1 << 31));
 168
 169                /* DRAM VRef will not be trained */
 170                out_be32(&ddr->ddr_cdr2,
 171                         DDR_DDR_CDR2 & ~DDR_CDR2_VREF_TRAIN_EN);
 172        } else
 173#endif
 174        {
 175                out_be32(&ddr->sdram_cfg_2, DDR_SDRAM_CFG_2);
 176                out_be32(&ddr->ddr_cdr2, DDR_DDR_CDR2);
 177        }
 178
 179        out_be32(&ddr->sdram_mode, DDR_SDRAM_MODE);
 180        out_be32(&ddr->sdram_mode_2, DDR_SDRAM_MODE_2);
 181
 182        out_be32(&ddr->sdram_interval, DDR_SDRAM_INTERVAL);
 183
 184        out_be32(&ddr->ddr_wrlvl_cntl, DDR_DDR_WRLVL_CNTL);
 185
 186        out_be32(&ddr->ddr_wrlvl_cntl_2, DDR_DDR_WRLVL_CNTL_2);
 187        out_be32(&ddr->ddr_wrlvl_cntl_3, DDR_DDR_WRLVL_CNTL_3);
 188
 189        out_be32(&ddr->ddr_cdr1, DDR_DDR_CDR1);
 190
 191        out_be32(&ddr->sdram_clk_cntl, DDR_SDRAM_CLK_CNTL);
 192        out_be32(&ddr->ddr_zq_cntl, DDR_DDR_ZQ_CNTL);
 193
 194        out_be32(&ddr->cs0_config_2, DDR_CS0_CONFIG_2);
 195
 196        /* DDR erratum A-009942 */
 197        tmp = in_be32(&ddr->debug[28]);
 198        out_be32(&ddr->debug[28], tmp | 0x0070006f);
 199
 200        udelay(1);
 201
 202#ifdef CONFIG_DEEP_SLEEP
 203        if (is_warm_boot()) {
 204                /* enter self-refresh */
 205                temp_sdram_cfg = in_be32(&ddr->sdram_cfg_2);
 206                temp_sdram_cfg |= SDRAM_CFG2_FRC_SR;
 207                out_be32(&ddr->sdram_cfg_2, temp_sdram_cfg);
 208
 209                temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN | SDRAM_CFG_BI);
 210        } else
 211#endif
 212                temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN & ~SDRAM_CFG_BI);
 213
 214        out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG | temp_sdram_cfg);
 215
 216#ifdef CONFIG_DEEP_SLEEP
 217        if (is_warm_boot()) {
 218                /* exit self-refresh */
 219                temp_sdram_cfg = in_be32(&ddr->sdram_cfg_2);
 220                temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR;
 221                out_be32(&ddr->sdram_cfg_2, temp_sdram_cfg);
 222        }
 223#endif
 224}
 225
 226int dram_init(void)
 227{
 228#if (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD))
 229        ddrmc_init();
 230#endif
 231
 232        erratum_a008850_post();
 233
 234        gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
 235
 236#if defined(CONFIG_DEEP_SLEEP) && !defined(CONFIG_SPL_BUILD)
 237        fsl_dp_resume();
 238#endif
 239
 240        return 0;
 241}
 242
 243int board_eth_init(struct bd_info *bis)
 244{
 245        return pci_eth_init(bis);
 246}
 247
 248#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
 249static void convert_serdes_mux(int type, int need_reset)
 250{
 251        char current_serdes;
 252        struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
 253
 254        current_serdes = cpld_data->serdes_mux;
 255
 256        switch (type) {
 257        case LANEB_SATA:
 258                current_serdes &= ~MASK_LANE_B;
 259                break;
 260        case LANEB_SGMII1:
 261                current_serdes |= (MASK_LANE_B | MASK_SGMII | MASK_LANE_C);
 262                break;
 263        case LANEC_SGMII1:
 264                current_serdes &= ~(MASK_LANE_B | MASK_SGMII | MASK_LANE_C);
 265                break;
 266        case LANED_SGMII2:
 267                current_serdes |= MASK_LANE_D;
 268                break;
 269        case LANEC_PCIEX1:
 270                current_serdes |= MASK_LANE_C;
 271                break;
 272        case (LANED_PCIEX2 | LANEC_PCIEX1):
 273                current_serdes |= MASK_LANE_C;
 274                current_serdes &= ~MASK_LANE_D;
 275                break;
 276        default:
 277                printf("CPLD serdes MUX: unsupported MUX type 0x%x\n", type);
 278                return;
 279        }
 280
 281        cpld_data->soft_mux_on |= CPLD_SET_MUX_SERDES;
 282        cpld_data->serdes_mux = current_serdes;
 283
 284        if (need_reset == 1) {
 285                printf("Reset board to enable configuration\n");
 286                cpld_data->system_rst = CFG_RESET;
 287        }
 288}
 289
 290int config_serdes_mux(void)
 291{
 292        struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
 293        u32 protocol = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK;
 294
 295        protocol >>= RCWSR4_SRDS1_PRTCL_SHIFT;
 296        switch (protocol) {
 297        case 0x10:
 298                convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
 299                convert_serdes_mux(LANED_PCIEX2 |
 300                                LANEC_PCIEX1, KEEP_STATUS);
 301                break;
 302        case 0x20:
 303                convert_serdes_mux(LANEB_SGMII1, KEEP_STATUS);
 304                convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS);
 305                convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
 306                break;
 307        case 0x30:
 308                convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
 309                convert_serdes_mux(LANEC_SGMII1, KEEP_STATUS);
 310                convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
 311                break;
 312        case 0x70:
 313                convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
 314                convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS);
 315                convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
 316                break;
 317        }
 318
 319        return 0;
 320}
 321#endif
 322
 323#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
 324int config_board_mux(void)
 325{
 326        struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
 327        int conflict_flag;
 328
 329        conflict_flag = 0;
 330        if (hwconfig("i2c3")) {
 331                conflict_flag++;
 332                cpld_data->soft_mux_on |= SOFT_MUX_ON_I2C3_IFC;
 333                cpld_data->i2c3_ifc_mux = PIN_I2C3_IFC_MUX_I2C3;
 334        }
 335
 336        if (hwconfig("ifc")) {
 337                conflict_flag++;
 338                /* some signals can not enable simultaneous*/
 339                if (conflict_flag > 1)
 340                        goto conflict;
 341                cpld_data->soft_mux_on |= SOFT_MUX_ON_I2C3_IFC;
 342                cpld_data->i2c3_ifc_mux = PIN_I2C3_IFC_MUX_IFC;
 343        }
 344
 345        conflict_flag = 0;
 346        if (hwconfig("usb2")) {
 347                conflict_flag++;
 348                cpld_data->soft_mux_on |= SOFT_MUX_ON_CAN3_USB2;
 349                cpld_data->can3_usb2_mux = PIN_CAN3_USB2_MUX_USB2;
 350        }
 351
 352        if (hwconfig("can3")) {
 353                conflict_flag++;
 354                /* some signals can not enable simultaneous*/
 355                if (conflict_flag > 1)
 356                        goto conflict;
 357                cpld_data->soft_mux_on |= SOFT_MUX_ON_CAN3_USB2;
 358                cpld_data->can3_usb2_mux = PIN_CAN3_USB2_MUX_CAN3;
 359        }
 360
 361        conflict_flag = 0;
 362        if (hwconfig("lcd")) {
 363                conflict_flag++;
 364                cpld_data->soft_mux_on |= SOFT_MUX_ON_QE_LCD;
 365                cpld_data->qe_lcd_mux = PIN_QE_LCD_MUX_LCD;
 366        }
 367
 368        if (hwconfig("qe")) {
 369                conflict_flag++;
 370                /* some signals can not enable simultaneous*/
 371                if (conflict_flag > 1)
 372                        goto conflict;
 373                cpld_data->soft_mux_on |= SOFT_MUX_ON_QE_LCD;
 374                cpld_data->qe_lcd_mux = PIN_QE_LCD_MUX_QE;
 375        }
 376
 377        return 0;
 378
 379conflict:
 380        printf("WARNING: pin conflict! MUX setting may failed!\n");
 381        return 0;
 382}
 383#endif
 384
 385int board_early_init_f(void)
 386{
 387        struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
 388
 389#ifdef CONFIG_TSEC_ENET
 390        /* clear BD & FR bits for BE BD's and frame data */
 391        clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
 392        out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125);
 393#endif
 394
 395#ifdef CONFIG_FSL_IFC
 396        init_early_memctl_regs();
 397#endif
 398
 399        arch_soc_init();
 400
 401#if defined(CONFIG_DEEP_SLEEP)
 402        if (is_warm_boot()) {
 403                timer_init();
 404                dram_init();
 405        }
 406#endif
 407
 408        return 0;
 409}
 410
 411#ifdef CONFIG_SPL_BUILD
 412void board_init_f(ulong dummy)
 413{
 414        void (*second_uboot)(void);
 415
 416        /* Clear the BSS */
 417        memset(__bss_start, 0, __bss_end - __bss_start);
 418
 419        get_clocks();
 420
 421#if defined(CONFIG_DEEP_SLEEP)
 422        if (is_warm_boot())
 423                fsl_dp_disable_console();
 424#endif
 425
 426        preloader_console_init();
 427
 428        timer_init();
 429        dram_init();
 430
 431        /* Allow OCRAM access permission as R/W */
 432#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
 433        enable_layerscape_ns_access();
 434#endif
 435
 436        /*
 437         * if it is woken up from deep sleep, then jump to second
 438         * stage uboot and continue executing without recopying
 439         * it from SD since it has already been reserved in memeory
 440         * in last boot.
 441         */
 442        if (is_warm_boot()) {
 443                second_uboot = (void (*)(void))CONFIG_SYS_TEXT_BASE;
 444                second_uboot();
 445        }
 446
 447        board_init_r(NULL, 0);
 448}
 449#endif
 450
 451#ifdef CONFIG_DEEP_SLEEP
 452/* program the regulator (MC34VR500) to support deep sleep */
 453void ls1twr_program_regulator(void)
 454{
 455        u8 i2c_device_id;
 456
 457#define LS1TWR_I2C_BUS_MC34VR500        1
 458#define MC34VR500_ADDR                  0x8
 459#define MC34VR500_DEVICEID              0x4
 460#define MC34VR500_DEVICEID_MASK         0x0f
 461#if CONFIG_IS_ENABLED(DM_I2C)
 462        struct udevice *dev;
 463        int ret;
 464
 465        ret = i2c_get_chip_for_busnum(LS1TWR_I2C_BUS_MC34VR500, MC34VR500_ADDR,
 466                                      1, &dev);
 467        if (ret) {
 468                printf("%s: Cannot find udev for a bus %d\n", __func__,
 469                       LS1TWR_I2C_BUS_MC34VR500);
 470                return;
 471        }
 472        i2c_device_id = dm_i2c_reg_read(dev, 0x0) &
 473                                        MC34VR500_DEVICEID_MASK;
 474        if (i2c_device_id != MC34VR500_DEVICEID) {
 475                printf("The regulator (MC34VR500) does not exist. The device does not support deep sleep.\n");
 476                return;
 477        }
 478
 479        dm_i2c_reg_write(dev, 0x31, 0x4);
 480        dm_i2c_reg_write(dev, 0x4d, 0x4);
 481        dm_i2c_reg_write(dev, 0x6d, 0x38);
 482        dm_i2c_reg_write(dev, 0x6f, 0x37);
 483        dm_i2c_reg_write(dev, 0x71, 0x30);
 484#else
 485        unsigned int i2c_bus;
 486        i2c_bus = i2c_get_bus_num();
 487        i2c_set_bus_num(LS1TWR_I2C_BUS_MC34VR500);
 488        i2c_device_id = i2c_reg_read(MC34VR500_ADDR, 0x0) &
 489                                        MC34VR500_DEVICEID_MASK;
 490        if (i2c_device_id != MC34VR500_DEVICEID) {
 491                printf("The regulator (MC34VR500) does not exist. The device does not support deep sleep.\n");
 492                return;
 493        }
 494
 495        i2c_reg_write(MC34VR500_ADDR, 0x31, 0x4);
 496        i2c_reg_write(MC34VR500_ADDR, 0x4d, 0x4);
 497        i2c_reg_write(MC34VR500_ADDR, 0x6d, 0x38);
 498        i2c_reg_write(MC34VR500_ADDR, 0x6f, 0x37);
 499        i2c_reg_write(MC34VR500_ADDR, 0x71, 0x30);
 500
 501        i2c_set_bus_num(i2c_bus);
 502#endif
 503}
 504#endif
 505
 506int board_init(void)
 507{
 508#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
 509        erratum_a010315();
 510#endif
 511
 512#ifndef CONFIG_SYS_FSL_NO_SERDES
 513        fsl_serdes_init();
 514#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
 515        config_serdes_mux();
 516#endif
 517#endif
 518
 519        ls102xa_smmu_stream_id_init();
 520
 521#ifdef CONFIG_U_QE
 522        u_qe_init();
 523#endif
 524
 525#ifdef CONFIG_DEEP_SLEEP
 526        ls1twr_program_regulator();
 527#endif
 528        return 0;
 529}
 530
 531#if defined(CONFIG_SPL_BUILD)
 532void spl_board_init(void)
 533{
 534        ls102xa_smmu_stream_id_init();
 535}
 536#endif
 537
 538#ifdef CONFIG_BOARD_LATE_INIT
 539int board_late_init(void)
 540{
 541#ifdef CONFIG_CHAIN_OF_TRUST
 542        fsl_setenv_chain_of_trust();
 543#endif
 544
 545        return 0;
 546}
 547#endif
 548
 549#if defined(CONFIG_MISC_INIT_R)
 550int misc_init_r(void)
 551{
 552#ifdef CONFIG_FSL_DEVICE_DISABLE
 553        device_disable(devdis_tbl, ARRAY_SIZE(devdis_tbl));
 554#endif
 555#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
 556        config_board_mux();
 557#endif
 558
 559#ifdef CONFIG_FSL_CAAM
 560        return sec_init();
 561#endif
 562}
 563#endif
 564
 565#if defined(CONFIG_DEEP_SLEEP)
 566void board_sleep_prepare(void)
 567{
 568#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
 569        enable_layerscape_ns_access();
 570#endif
 571}
 572#endif
 573
 574int ft_board_setup(void *blob, struct bd_info *bd)
 575{
 576        ft_cpu_setup(blob, bd);
 577
 578#ifdef CONFIG_PCI
 579        ft_pci_setup(blob, bd);
 580#endif
 581
 582        return 0;
 583}
 584
 585u8 flash_read8(void *addr)
 586{
 587        return __raw_readb(addr + 1);
 588}
 589
 590void flash_write16(u16 val, void *addr)
 591{
 592        u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
 593
 594        __raw_writew(shftval, addr);
 595}
 596
 597u16 flash_read16(void *addr)
 598{
 599        u16 val = __raw_readw(addr);
 600
 601        return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
 602}
 603
 604#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) \
 605        && !defined(CONFIG_SPL_BUILD)
 606static void convert_flash_bank(char bank)
 607{
 608        struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
 609
 610        printf("Now switch to boot from flash bank %d.\n", bank);
 611        cpld_data->soft_mux_on = CPLD_SET_BOOT_BANK;
 612        cpld_data->vbank = bank;
 613
 614        printf("Reset board to enable configuration.\n");
 615        cpld_data->system_rst = CFG_RESET;
 616}
 617
 618static int flash_bank_cmd(struct cmd_tbl *cmdtp, int flag, int argc,
 619                          char *const argv[])
 620{
 621        if (argc != 2)
 622                return CMD_RET_USAGE;
 623        if (strcmp(argv[1], "0") == 0)
 624                convert_flash_bank(BOOT_FROM_UPPER_BANK);
 625        else if (strcmp(argv[1], "1") == 0)
 626                convert_flash_bank(BOOT_FROM_LOWER_BANK);
 627        else
 628                return CMD_RET_USAGE;
 629
 630        return 0;
 631}
 632
 633U_BOOT_CMD(
 634        boot_bank, 2, 0, flash_bank_cmd,
 635        "Flash bank Selection Control",
 636        "bank[0-upper bank/1-lower bank] (e.g. boot_bank 0)"
 637);
 638
 639static int cpld_reset_cmd(struct cmd_tbl *cmdtp, int flag, int argc,
 640                          char *const argv[])
 641{
 642        struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
 643
 644        if (argc > 2)
 645                return CMD_RET_USAGE;
 646        if ((argc == 1) || (strcmp(argv[1], "conf") == 0))
 647                cpld_data->system_rst = CFG_RESET;
 648        else if (strcmp(argv[1], "init") == 0)
 649                cpld_data->global_rst = INIT_RESET;
 650        else
 651                return CMD_RET_USAGE;
 652
 653        return 0;
 654}
 655
 656U_BOOT_CMD(
 657        cpld_reset, 2, 0, cpld_reset_cmd,
 658        "Reset via CPLD",
 659        "conf\n"
 660        "       -reset with current CPLD configuration\n"
 661        "init\n"
 662        "       -reset and initial CPLD configuration with default value"
 663
 664);
 665
 666static void print_serdes_mux(void)
 667{
 668        char current_serdes;
 669        struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
 670
 671        current_serdes = cpld_data->serdes_mux;
 672
 673        printf("Serdes Lane B: ");
 674        if ((current_serdes & MASK_LANE_B) == 0)
 675                printf("SATA,\n");
 676        else
 677                printf("SGMII 1,\n");
 678
 679        printf("Serdes Lane C: ");
 680        if ((current_serdes & MASK_LANE_C) == 0)
 681                printf("SGMII 1,\n");
 682        else
 683                printf("PCIe,\n");
 684
 685        printf("Serdes Lane D: ");
 686        if ((current_serdes & MASK_LANE_D) == 0)
 687                printf("PCIe,\n");
 688        else
 689                printf("SGMII 2,\n");
 690
 691        printf("SGMII 1 is on lane ");
 692        if ((current_serdes & MASK_SGMII) == 0)
 693                printf("C.\n");
 694        else
 695                printf("B.\n");
 696}
 697
 698static int serdes_mux_cmd(struct cmd_tbl *cmdtp, int flag, int argc,
 699                          char *const argv[])
 700{
 701        if (argc != 2)
 702                return CMD_RET_USAGE;
 703        if (strcmp(argv[1], "sata") == 0) {
 704                printf("Set serdes lane B to SATA.\n");
 705                convert_serdes_mux(LANEB_SATA, NEED_RESET);
 706        } else if (strcmp(argv[1], "sgmii1b") == 0) {
 707                printf("Set serdes lane B to SGMII 1.\n");
 708                convert_serdes_mux(LANEB_SGMII1, NEED_RESET);
 709        } else if (strcmp(argv[1], "sgmii1c") == 0) {
 710                printf("Set serdes lane C to SGMII 1.\n");
 711                convert_serdes_mux(LANEC_SGMII1, NEED_RESET);
 712        } else if (strcmp(argv[1], "sgmii2") == 0) {
 713                printf("Set serdes lane D to SGMII 2.\n");
 714                convert_serdes_mux(LANED_SGMII2, NEED_RESET);
 715        } else if (strcmp(argv[1], "pciex1") == 0) {
 716                printf("Set serdes lane C to PCIe X1.\n");
 717                convert_serdes_mux(LANEC_PCIEX1, NEED_RESET);
 718        } else if (strcmp(argv[1], "pciex2") == 0) {
 719                printf("Set serdes lane C & lane D to PCIe X2.\n");
 720                convert_serdes_mux((LANED_PCIEX2 | LANEC_PCIEX1), NEED_RESET);
 721        } else if (strcmp(argv[1], "show") == 0) {
 722                print_serdes_mux();
 723        } else {
 724                return CMD_RET_USAGE;
 725        }
 726
 727        return 0;
 728}
 729
 730U_BOOT_CMD(
 731        lane_bank, 2, 0, serdes_mux_cmd,
 732        "Multiplexed function setting for SerDes Lanes",
 733        "sata\n"
 734        "       -change lane B to sata\n"
 735        "lane_bank sgmii1b\n"
 736        "       -change lane B to SGMII1\n"
 737        "lane_bank sgmii1c\n"
 738        "       -change lane C to SGMII1\n"
 739        "lane_bank sgmii2\n"
 740        "       -change lane D to SGMII2\n"
 741        "lane_bank pciex1\n"
 742        "       -change lane C to PCIeX1\n"
 743        "lane_bank pciex2\n"
 744        "       -change lane C & lane D to PCIeX2\n"
 745        "\nWARNING: If you aren't familiar with the setting of serdes, don't try to change anything!\n"
 746);
 747#endif
 748