LXR uboot/board/freescale/p1_p2_rdb_pc/p1_p2_rdb

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright 2010-2011, 2013 Freescale Semiconductor, Inc.
   4 */
   5
   6#include <common.h>
   7#include <command.h>
   8#include <hwconfig.h>
   9#include <pci.h>
  10#include <i2c.h>
  11#include <asm/processor.h>
  12#include <asm/mmu.h>
  13#include <asm/cache.h>
  14#include <asm/immap_85xx.h>
  15#include <asm/fsl_pci.h>
  16#include <fsl_ddr_sdram.h>
  17#include <asm/io.h>
  18#include <asm/fsl_law.h>
  19#include <asm/fsl_lbc.h>
  20#include <asm/mp.h>
  21#include <miiphy.h>
  22#include <linux/libfdt.h>
  23#include <fdt_support.h>
  24#include <fsl_mdio.h>
  25#include <tsec.h>
  26#include <vsc7385.h>
  27#include <ioports.h>
  28#include <asm/fsl_serdes.h>
  29#include <netdev.h>
  30
  31#ifdef CONFIG_QE
  32
  33#define GPIO_GETH_SW_PORT       1
  34#define GPIO_GETH_SW_PIN        29
  35#define GPIO_GETH_SW_DATA       (1 << (31 - GPIO_GETH_SW_PIN))
  36
  37#define GPIO_SLIC_PORT          1
  38#define GPIO_SLIC_PIN           30
  39#define GPIO_SLIC_DATA          (1 << (31 - GPIO_SLIC_PIN))
  40
  41#if defined(CONFIG_TARGET_P1021RDB) && !defined(CONFIG_SYS_RAMBOOT)
  42#define GPIO_DDR_RST_PORT       1
  43#define GPIO_DDR_RST_PIN        8
  44#define GPIO_DDR_RST_DATA       (1 << (31 - GPIO_DDR_RST_PIN))
  45
  46#define GPIO_2BIT_MASK          (0x3 << (32 - (GPIO_DDR_RST_PIN + 1) * 2))
  47#endif
  48
  49#if defined(CONFIG_TARGET_P1025RDB) || defined(CONFIG_TARGET_P1021RDB)
  50#define PCA_IOPORT_I2C_ADDR             0x23
  51#define PCA_IOPORT_OUTPUT_CMD           0x2
  52#define PCA_IOPORT_CFG_CMD              0x6
  53#define PCA_IOPORT_QE_PIN_ENABLE        0xf8
  54#define PCA_IOPORT_QE_TDM_ENABLE        0xf6
  55#endif
  56
  57const qe_iop_conf_t qe_iop_conf_tab[] = {
  58        /* GPIO */
  59        {1,   1, 2, 0, 0}, /* GPIO7/PB1   - LOAD_DEFAULT_N */
  60#if defined(CONFIG_TARGET_P1021RDB) && !defined(CONFIG_SYS_RAMBOOT)
  61        {1,   8, 1, 1, 0}, /* GPIO10/PB8  - DDR_RST */
  62#endif
  63        {0,  15, 1, 0, 0}, /* GPIO11/A15  - WDI */
  64        {GPIO_GETH_SW_PORT, GPIO_GETH_SW_PIN, 1, 0, 0}, /* RST_GETH_SW_N */
  65        {GPIO_SLIC_PORT, GPIO_SLIC_PIN, 1, 0, 0},       /* RST_SLIC_N */
  66
  67#ifdef CONFIG_TARGET_P1025RDB
  68        /* QE_MUX_MDC */
  69        {1,  19, 1, 0, 1}, /* QE_MUX_MDC               */
  70
  71        /* QE_MUX_MDIO */
  72        {1,  20, 3, 0, 1}, /* QE_MUX_MDIO              */
  73
  74        /* UCC_1_MII */
  75        {0, 23, 2, 0, 2}, /* CLK12 */
  76        {0, 24, 2, 0, 1}, /* CLK9 */
  77        {0,  7, 1, 0, 2}, /* ENET1_TXD0_SER1_TXD0      */
  78        {0,  9, 1, 0, 2}, /* ENET1_TXD1_SER1_TXD1      */
  79        {0, 11, 1, 0, 2}, /* ENET1_TXD2_SER1_TXD2      */
  80        {0, 12, 1, 0, 2}, /* ENET1_TXD3_SER1_TXD3      */
  81        {0,  6, 2, 0, 2}, /* ENET1_RXD0_SER1_RXD0      */
  82        {0, 10, 2, 0, 2}, /* ENET1_RXD1_SER1_RXD1      */
  83        {0, 14, 2, 0, 2}, /* ENET1_RXD2_SER1_RXD2      */
  84        {0, 15, 2, 0, 2}, /* ENET1_RXD3_SER1_RXD3      */
  85        {0,  5, 1, 0, 2}, /* ENET1_TX_EN_SER1_RTS_B    */
  86        {0, 13, 1, 0, 2}, /* ENET1_TX_ER               */
  87        {0,  4, 2, 0, 2}, /* ENET1_RX_DV_SER1_CTS_B    */
  88        {0,  8, 2, 0, 2}, /* ENET1_RX_ER_SER1_CD_B    */
  89        {0, 17, 2, 0, 2}, /* ENET1_CRS    */
  90        {0, 16, 2, 0, 2}, /* ENET1_COL    */
  91
  92        /* UCC_5_RMII */
  93        {1, 11, 2, 0, 1}, /* CLK13 */
  94        {1, 7,  1, 0, 2}, /* ENET5_TXD0_SER5_TXD0      */
  95        {1, 10, 1, 0, 2}, /* ENET5_TXD1_SER5_TXD1      */
  96        {1, 6, 2, 0, 2}, /* ENET5_RXD0_SER5_RXD0      */
  97        {1, 9, 2, 0, 2}, /* ENET5_RXD1_SER5_RXD1      */
  98        {1, 5, 1, 0, 2}, /* ENET5_TX_EN_SER5_RTS_B    */
  99        {1, 4, 2, 0, 2}, /* ENET5_RX_DV_SER5_CTS_B    */
 100        {1, 8, 2, 0, 2}, /* ENET5_RX_ER_SER5_CD_B    */
 101#endif
 102
 103        {0,  0, 0, 0, QE_IOP_TAB_END} /* END of table */
 104};
 105#endif
 106
 107struct cpld_data {
 108        u8 cpld_rev_major;
 109        u8 pcba_rev;
 110        u8 wd_cfg;
 111        u8 rst_bps_sw;
 112        u8 load_default_n;
 113        u8 rst_bps_wd;
 114        u8 bypass_enable;
 115        u8 bps_led;
 116        u8 status_led;                  /* offset: 0x8 */
 117        u8 fxo_led;                     /* offset: 0x9 */
 118        u8 fxs_led;                     /* offset: 0xa */
 119        u8 rev4[2];
 120        u8 system_rst;                  /* offset: 0xd */
 121        u8 bps_out;
 122        u8 rev5[3];
 123        u8 cpld_rev_minor;
 124};
 125
 126#define CPLD_WD_CFG     0x03
 127#define CPLD_RST_BSW    0x00
 128#define CPLD_RST_BWD    0x00
 129#define CPLD_BYPASS_EN  0x03
 130#define CPLD_STATUS_LED 0x01
 131#define CPLD_FXO_LED    0x01
 132#define CPLD_FXS_LED    0x0F
 133#define CPLD_SYS_RST    0x00
 134
 135void board_cpld_init(void)
 136{
 137        struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
 138
 139        out_8(&cpld_data->wd_cfg, CPLD_WD_CFG);
 140        out_8(&cpld_data->status_led, CPLD_STATUS_LED);
 141        out_8(&cpld_data->fxo_led, CPLD_FXO_LED);
 142        out_8(&cpld_data->fxs_led, CPLD_FXS_LED);
 143        out_8(&cpld_data->system_rst, CPLD_SYS_RST);
 144}
 145
 146void board_gpio_init(void)
 147{
 148#ifdef CONFIG_QE
 149        ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 150        par_io_t *par_io = (par_io_t *) &(gur->qe_par_io);
 151
 152#if defined(CONFIG_TARGET_P1021RDB) && !defined(CONFIG_SYS_RAMBOOT)
 153        /* reset DDR3 */
 154        setbits_be32(&par_io[GPIO_DDR_RST_PORT].cpdat, GPIO_DDR_RST_DATA);
 155        udelay(1000);
 156        clrbits_be32(&par_io[GPIO_DDR_RST_PORT].cpdat, GPIO_DDR_RST_DATA);
 157        udelay(1000);
 158        setbits_be32(&par_io[GPIO_DDR_RST_PORT].cpdat, GPIO_DDR_RST_DATA);
 159        /* disable CE_PB8 */
 160        clrbits_be32(&par_io[GPIO_DDR_RST_PORT].cpdir1, GPIO_2BIT_MASK);
 161#endif
 162        /* Enable VSC7385 switch */
 163        setbits_be32(&par_io[GPIO_GETH_SW_PORT].cpdat, GPIO_GETH_SW_DATA);
 164
 165        /* Enable SLIC */
 166        setbits_be32(&par_io[GPIO_SLIC_PORT].cpdat, GPIO_SLIC_DATA);
 167#else
 168
 169        ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
 170
 171        /*
 172         * GPIO10 DDR Reset, open drain
 173         * GPIO7  LOAD_DEFAULT_N          Input
 174         * GPIO11  WDI (watchdog input)
 175         * GPIO12  Ethernet Switch Reset
 176         * GPIO13  SLIC Reset
 177         */
 178
 179        setbits_be32(&pgpio->gpdir, 0x02130000);
 180#if !defined(CONFIG_SYS_RAMBOOT) && !defined(CONFIG_SPL)
 181        /* init DDR3 reset signal */
 182        setbits_be32(&pgpio->gpdir, 0x00200000);
 183        setbits_be32(&pgpio->gpodr, 0x00200000);
 184        clrbits_be32(&pgpio->gpdat, 0x00200000);
 185        udelay(1000);
 186        setbits_be32(&pgpio->gpdat, 0x00200000);
 187        udelay(1000);
 188        clrbits_be32(&pgpio->gpdir, 0x00200000);
 189#endif
 190
 191#ifdef CONFIG_VSC7385_ENET
 192        /* reset VSC7385 Switch */
 193        setbits_be32(&pgpio->gpdir, 0x00080000);
 194        setbits_be32(&pgpio->gpdat, 0x00080000);
 195#endif
 196
 197#ifdef CONFIG_SLIC
 198        /* reset SLIC */
 199        setbits_be32(&pgpio->gpdir, 0x00040000);
 200        setbits_be32(&pgpio->gpdat, 0x00040000);
 201#endif
 202#endif
 203}
 204
 205int board_early_init_f(void)
 206{
 207        ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 208
 209        setbits_be32(&gur->pmuxcr,
 210                        (MPC85xx_PMUXCR_SDHC_CD | MPC85xx_PMUXCR_SDHC_WP));
 211        clrbits_be32(&gur->sdhcdcr, SDHCDCR_CD_INV);
 212
 213        clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA);
 214        setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_TDM_ENA);
 215
 216        board_gpio_init();
 217        board_cpld_init();
 218
 219        return 0;
 220}
 221
 222int checkboard(void)
 223{
 224        struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
 225        ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 226        u8 in, out, io_config, val;
 227
 228        printf("Board: %s CPLD: V%d.%d PCBA: V%d.0\n", CONFIG_BOARDNAME,
 229                in_8(&cpld_data->cpld_rev_major) & 0x0F,
 230                in_8(&cpld_data->cpld_rev_minor) & 0x0F,
 231                in_8(&cpld_data->pcba_rev) & 0x0F);
 232
 233        /* Initialize i2c early for rom_loc and flash bank information */
 234        i2c_set_bus_num(CONFIG_SYS_SPD_BUS_NUM);
 235
 236        if (i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 0, 1, &in, 1) < 0 ||
 237            i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 1, 1, &out, 1) < 0 ||
 238            i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 3, 1, &io_config, 1) < 0) {
 239                printf("Error reading i2c boot information!\n");
 240                return 0; /* Don't want to hang() on this error */
 241        }
 242
 243        val = (in & io_config) | (out & (~io_config));
 244
 245        puts("rom_loc: ");
 246        if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_SD) {
 247                puts("sd");
 248#ifdef __SW_BOOT_SPI
 249        } else if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_SPI) {
 250                puts("spi");
 251#endif
 252#ifdef __SW_BOOT_NAND
 253        } else if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_NAND) {
 254                puts("nand");
 255#endif
 256#ifdef __SW_BOOT_PCIE
 257        } else if ((val & (~__SW_BOOT_MASK)) == __SW_BOOT_PCIE) {
 258                puts("pcie");
 259#endif
 260        } else {
 261                if (val & 0x2)
 262                        puts("nor lower bank");
 263                else
 264                        puts("nor upper bank");
 265        }
 266        puts("\n");
 267
 268        if (val & 0x1) {
 269                setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA);
 270                puts("SD/MMC : 8-bit Mode\n");
 271                puts("eSPI : Disabled\n");
 272        } else {
 273                puts("SD/MMC : 4-bit Mode\n");
 274                puts("eSPI : Enabled\n");
 275        }
 276
 277        return 0;
 278}
 279
 280#ifdef CONFIG_PCI
 281void pci_init_board(void)
 282{
 283        fsl_pcie_init_board(0);
 284}
 285#endif
 286
 287int board_early_init_r(void)
 288{
 289        const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
 290        int flash_esel = find_tlb_idx((void *)flashbase, 1);
 291
 292        /*
 293         * Remap Boot flash region to caching-inhibited
 294         * so that flash can be erased properly.
 295         */
 296
 297        /* Flush d-cache and invalidate i-cache of any FLASH data */
 298        flush_dcache();
 299        invalidate_icache();
 300
 301        if (flash_esel == -1) {
 302                /* very unlikely unless something is messed up */
 303                puts("Error: Could not find TLB for FLASH BASE\n");
 304                flash_esel = 2; /* give our best effort to continue */
 305        } else {
 306                /* invalidate existing TLB entry for flash */
 307                disable_tlb(flash_esel);
 308        }
 309
 310        set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */
 311                MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,/* perms, wimge */
 312                0, flash_esel, BOOKE_PAGESZ_64M, 1);/* ts, esel, tsize, iprot */
 313        return 0;
 314}
 315
 316int board_eth_init(bd_t *bis)
 317{
 318        struct fsl_pq_mdio_info mdio_info;
 319        struct tsec_info_struct tsec_info[4];
 320        ccsr_gur_t *gur __attribute__((unused)) =
 321                (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 322        int num = 0;
 323#ifdef CONFIG_VSC7385_ENET
 324        char *tmp;
 325        unsigned int vscfw_addr;
 326#endif
 327
 328#ifdef CONFIG_TSEC1
 329        SET_STD_TSEC_INFO(tsec_info[num], 1);
 330        num++;
 331#endif
 332#ifdef CONFIG_TSEC2
 333        SET_STD_TSEC_INFO(tsec_info[num], 2);
 334        if (is_serdes_configured(SGMII_TSEC2)) {
 335                printf("eTSEC2 is in sgmii mode.\n");
 336                tsec_info[num].flags |= TSEC_SGMII;
 337        }
 338        num++;
 339#endif
 340#ifdef CONFIG_TSEC3
 341        SET_STD_TSEC_INFO(tsec_info[num], 3);
 342        num++;
 343#endif
 344
 345        if (!num) {
 346                printf("No TSECs initialized\n");
 347                return 0;
 348        }
 349
 350#ifdef CONFIG_VSC7385_ENET
 351        /* If a VSC7385 microcode image is present, then upload it. */
 352        tmp = env_get("vscfw_addr");
 353        if (tmp) {
 354                vscfw_addr = simple_strtoul(tmp, NULL, 16);
 355                printf("uploading VSC7385 microcode from %x\n", vscfw_addr);
 356                if (vsc7385_upload_firmware((void *) vscfw_addr,
 357                                        CONFIG_VSC7385_IMAGE_SIZE))
 358                        puts("Failure uploading VSC7385 microcode.\n");
 359        } else
 360                puts("No address specified for VSC7385 microcode.\n");
 361#endif
 362
 363        mdio_info.regs = TSEC_GET_MDIO_REGS_BASE(1);
 364        mdio_info.name = DEFAULT_MII_NAME;
 365
 366        fsl_pq_mdio_init(bis, &mdio_info);
 367
 368        tsec_eth_init(bis, tsec_info, num);
 369
 370#if defined(CONFIG_UEC_ETH)
 371        /*  QE0 and QE3 need to be exposed for UCC1 and UCC5 Eth mode */
 372        setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE0);
 373        setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE3);
 374
 375        uec_standard_init(bis);
 376#endif
 377
 378        return pci_eth_init(bis);
 379}
 380
 381#if defined(CONFIG_QE) && \
 382        (defined(CONFIG_TARGET_P1025RDB) || defined(CONFIG_TARGET_P1021RDB))
 383static void fdt_board_fixup_qe_pins(void *blob)
 384{
 385        unsigned int oldbus;
 386        u8 val8;
 387        int node;
 388        fsl_lbc_t *lbc = LBC_BASE_ADDR;
 389
 390        if (hwconfig("qe")) {
 391                /* For QE and eLBC pins multiplexing,
 392                 * there is a PCA9555 device on P1025RDB.
 393                 * It control the multiplex pins' functions,
 394                 * and setting the PCA9555 can switch the
 395                 * function between QE and eLBC.
 396                 */
 397                oldbus = i2c_get_bus_num();
 398                i2c_set_bus_num(0);
 399                if (hwconfig("tdm"))
 400                        val8 = PCA_IOPORT_QE_TDM_ENABLE;
 401                else
 402                        val8 = PCA_IOPORT_QE_PIN_ENABLE;
 403                i2c_write(PCA_IOPORT_I2C_ADDR, PCA_IOPORT_CFG_CMD,
 404                                1, &val8, 1);
 405                i2c_write(PCA_IOPORT_I2C_ADDR, PCA_IOPORT_OUTPUT_CMD,
 406                                1, &val8, 1);
 407                i2c_set_bus_num(oldbus);
 408                /* if run QE TDM, Set ABSWP to implement
 409                 * conversion of addresses in the eLBC.
 410                 */
 411                if (hwconfig("tdm")) {
 412                        set_lbc_or(2, CONFIG_PMC_OR_PRELIM);
 413                        set_lbc_br(2, CONFIG_PMC_BR_PRELIM);
 414                        setbits_be32(&lbc->lbcr, CONFIG_SYS_LBC_LBCR);
 415                }
 416        } else {
 417                node = fdt_path_offset(blob, "/qe");
 418                if (node >= 0)
 419                        fdt_del_node(blob, node);
 420        }
 421
 422        return;
 423}
 424#endif
 425
 426#ifdef CONFIG_OF_BOARD_SETUP
 427int ft_board_setup(void *blob, bd_t *bd)
 428{
 429        phys_addr_t base;
 430        phys_size_t size;
 431#if defined(CONFIG_TARGET_P1020RDB_PD) || defined(CONFIG_TARGET_P1020RDB_PC)
 432        const char *soc_usb_compat = "fsl-usb2-dr";
 433        int usb_err, usb1_off, usb2_off;
 434#endif
 435#if defined(CONFIG_SDCARD) || defined(CONFIG_SPIFLASH)
 436        int err;
 437#endif
 438
 439        ft_cpu_setup(blob, bd);
 440
 441        base = env_get_bootm_low();
 442        size = env_get_bootm_size();
 443
 444        fdt_fixup_memory(blob, (u64)base, (u64)size);
 445
 446        FT_FSL_PCI_SETUP;
 447
 448#ifdef CONFIG_QE
 449        do_fixup_by_compat(blob, "fsl,qe", "status", "okay",
 450                        sizeof("okay"), 0);
 451#if defined(CONFIG_TARGET_P1025RDB) || defined(CONFIG_TARGET_P1021RDB)
 452        fdt_board_fixup_qe_pins(blob);
 453#endif
 454#endif
 455
 456#if defined(CONFIG_HAS_FSL_DR_USB)
 457        fsl_fdt_fixup_dr_usb(blob, bd);
 458#endif
 459
 460#if defined(CONFIG_SDCARD) || defined(CONFIG_SPIFLASH)
 461        /* Delete eLBC node as it is muxed with USB2 controller */
 462        if (hwconfig("usb2")) {
 463                const char *soc_elbc_compat = "fsl,p1020-elbc";
 464                int off = fdt_node_offset_by_compatible(blob, -1,
 465                                soc_elbc_compat);
 466                if (off < 0) {
 467                        printf("WARNING: could not find compatible node %s\n",
 468                               soc_elbc_compat);
 469                        return off;
 470                }
 471                err = fdt_del_node(blob, off);
 472                if (err < 0) {
 473                        printf("WARNING: could not remove %s\n",
 474                               soc_elbc_compat);
 475                        return err;
 476                }
 477                return 0;
 478        }
 479#endif
 480
 481#if defined(CONFIG_TARGET_P1020RDB_PD) || defined(CONFIG_TARGET_P1020RDB_PC)
 482/* Delete USB2 node as it is muxed with eLBC */
 483        usb1_off = fdt_node_offset_by_compatible(blob, -1,
 484                soc_usb_compat);
 485        if (usb1_off < 0) {
 486                printf("WARNING: could not find compatible node %s\n",
 487                       soc_usb_compat);
 488                return usb1_off;
 489        }
 490        usb2_off = fdt_node_offset_by_compatible(blob, usb1_off,
 491                        soc_usb_compat);
 492        if (usb2_off < 0) {
 493                printf("WARNING: could not find compatible node %s\n",
 494                       soc_usb_compat);
 495                return usb2_off;
 496        }
 497        usb_err = fdt_del_node(blob, usb2_off);
 498        if (usb_err < 0) {
 499                printf("WARNING: could not remove %s\n", soc_usb_compat);
 500                return usb_err;
 501        }
 502#endif
 503
 504        return 0;
 505}
 506#endif
 507