uboot/board/gateworks/gw_ventana/gw_ventana.c
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   1/*
   2 * Copyright (C) 2013 Gateworks Corporation
   3 *
   4 * Author: Tim Harvey <tharvey@gateworks.com>
   5 *
   6 * SPDX-License-Identifier: GPL-2.0+
   7 */
   8
   9#include <common.h>
  10#include <asm/arch/clock.h>
  11#include <asm/arch/crm_regs.h>
  12#include <asm/arch/iomux.h>
  13#include <asm/arch/mx6-pins.h>
  14#include <asm/arch/mxc_hdmi.h>
  15#include <asm/arch/sys_proto.h>
  16#include <asm/gpio.h>
  17#include <asm/mach-imx/boot_mode.h>
  18#include <asm/mach-imx/sata.h>
  19#include <asm/mach-imx/spi.h>
  20#include <asm/mach-imx/video.h>
  21#include <asm/io.h>
  22#include <asm/setup.h>
  23#include <dm.h>
  24#include <dm/platform_data/serial_mxc.h>
  25#include <hwconfig.h>
  26#include <i2c.h>
  27#include <fdt_support.h>
  28#include <fsl_esdhc.h>
  29#include <jffs2/load_kernel.h>
  30#include <linux/ctype.h>
  31#include <miiphy.h>
  32#include <mtd_node.h>
  33#include <netdev.h>
  34#include <pci.h>
  35#include <power/pmic.h>
  36#include <power/ltc3676_pmic.h>
  37#include <power/pfuze100_pmic.h>
  38#include <fdt_support.h>
  39#include <jffs2/load_kernel.h>
  40#include <spi_flash.h>
  41
  42#include "gsc.h"
  43#include "common.h"
  44
  45DECLARE_GLOBAL_DATA_PTR;
  46
  47
  48/*
  49 * EEPROM board info struct populated by read_eeprom so that we only have to
  50 * read it once.
  51 */
  52struct ventana_board_info ventana_info;
  53
  54static int board_type;
  55
  56/* ENET */
  57static iomux_v3_cfg_t const enet_pads[] = {
  58        IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  59        IOMUX_PADS(PAD_ENET_MDC__ENET_MDC    | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  60        IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  61        IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  62        IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  63        IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  64        IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  65        IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL |
  66                   MUX_PAD_CTRL(ENET_PAD_CTRL)),
  67        IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK |
  68                   MUX_PAD_CTRL(ENET_PAD_CTRL)),
  69        IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  70        IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  71        IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  72        IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  73        IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  74        IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL |
  75                   MUX_PAD_CTRL(ENET_PAD_CTRL)),
  76        /* PHY nRST */
  77        IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30 | DIO_PAD_CFG),
  78};
  79
  80#ifdef CONFIG_CMD_NAND
  81static iomux_v3_cfg_t const nfc_pads[] = {
  82        IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE     | MUX_PAD_CTRL(NO_PAD_CTRL)),
  83        IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE     | MUX_PAD_CTRL(NO_PAD_CTRL)),
  84        IOMUX_PADS(PAD_NANDF_WP_B__NAND_WP_B   | MUX_PAD_CTRL(NO_PAD_CTRL)),
  85        IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
  86        IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B   | MUX_PAD_CTRL(NO_PAD_CTRL)),
  87        IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B      | MUX_PAD_CTRL(NO_PAD_CTRL)),
  88        IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B      | MUX_PAD_CTRL(NO_PAD_CTRL)),
  89        IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00   | MUX_PAD_CTRL(NO_PAD_CTRL)),
  90        IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01   | MUX_PAD_CTRL(NO_PAD_CTRL)),
  91        IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02   | MUX_PAD_CTRL(NO_PAD_CTRL)),
  92        IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03   | MUX_PAD_CTRL(NO_PAD_CTRL)),
  93        IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04   | MUX_PAD_CTRL(NO_PAD_CTRL)),
  94        IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05   | MUX_PAD_CTRL(NO_PAD_CTRL)),
  95        IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06   | MUX_PAD_CTRL(NO_PAD_CTRL)),
  96        IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07   | MUX_PAD_CTRL(NO_PAD_CTRL)),
  97};
  98
  99static void setup_gpmi_nand(void)
 100{
 101        struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 102
 103        /* config gpmi nand iomux */
 104        SETUP_IOMUX_PADS(nfc_pads);
 105
 106        /* config gpmi and bch clock to 100 MHz */
 107        clrsetbits_le32(&mxc_ccm->cs2cdr,
 108                        MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK |
 109                        MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK |
 110                        MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK,
 111                        MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
 112                        MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
 113                        MXC_CCM_CS2CDR_ENFC_CLK_SEL(3));
 114
 115        /* enable gpmi and bch clock gating */
 116        setbits_le32(&mxc_ccm->CCGR4,
 117                     MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK |
 118                     MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK |
 119                     MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK |
 120                     MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK |
 121                     MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET);
 122
 123        /* enable apbh clock gating */
 124        setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
 125}
 126#endif
 127
 128static void setup_iomux_enet(int gpio)
 129{
 130        SETUP_IOMUX_PADS(enet_pads);
 131
 132        /* toggle PHY_RST# */
 133        gpio_request(gpio, "phy_rst#");
 134        gpio_direction_output(gpio, 0);
 135        mdelay(10);
 136        gpio_set_value(gpio, 1);
 137        mdelay(100);
 138}
 139
 140#ifdef CONFIG_USB_EHCI_MX6
 141static iomux_v3_cfg_t const usb_pads[] = {
 142        IOMUX_PADS(PAD_GPIO_1__USB_OTG_ID   | DIO_PAD_CFG),
 143        IOMUX_PADS(PAD_KEY_COL4__USB_OTG_OC | DIO_PAD_CFG),
 144        /* OTG PWR */
 145        IOMUX_PADS(PAD_EIM_D22__GPIO3_IO22  | DIO_PAD_CFG),
 146};
 147
 148int board_ehci_hcd_init(int port)
 149{
 150        int gpio;
 151
 152        SETUP_IOMUX_PADS(usb_pads);
 153
 154        /* Reset USB HUB */
 155        switch (board_type) {
 156        case GW53xx:
 157        case GW552x:
 158                gpio = (IMX_GPIO_NR(1, 9));
 159                break;
 160        case GW54proto:
 161        case GW54xx:
 162                gpio = (IMX_GPIO_NR(1, 16));
 163                break;
 164        default:
 165                return 0;
 166        }
 167
 168        /* request and toggle hub rst */
 169        gpio_request(gpio, "usb_hub_rst#");
 170        gpio_direction_output(gpio, 0);
 171        mdelay(2);
 172        gpio_set_value(gpio, 1);
 173
 174        return 0;
 175}
 176
 177int board_ehci_power(int port, int on)
 178{
 179        /* enable OTG VBUS */
 180        if (!port && board_type < GW_UNKNOWN) {
 181                if (gpio_cfg[board_type].otgpwr_en)
 182                        gpio_set_value(gpio_cfg[board_type].otgpwr_en, on);
 183        }
 184        return 0;
 185}
 186#endif /* CONFIG_USB_EHCI_MX6 */
 187
 188#ifdef CONFIG_MXC_SPI
 189iomux_v3_cfg_t const ecspi1_pads[] = {
 190        /* SS1 */
 191        IOMUX_PADS(PAD_EIM_D19__GPIO3_IO19  | MUX_PAD_CTRL(SPI_PAD_CTRL)),
 192        IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)),
 193        IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)),
 194        IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)),
 195};
 196
 197int board_spi_cs_gpio(unsigned bus, unsigned cs)
 198{
 199        return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(3, 19)) : -1;
 200}
 201
 202static void setup_spi(void)
 203{
 204        gpio_request(IMX_GPIO_NR(3, 19), "spi_cs");
 205        gpio_direction_output(IMX_GPIO_NR(3, 19), 1);
 206        SETUP_IOMUX_PADS(ecspi1_pads);
 207}
 208#endif
 209
 210/* configure eth0 PHY board-specific LED behavior */
 211int board_phy_config(struct phy_device *phydev)
 212{
 213        unsigned short val;
 214
 215        /* Marvel 88E1510 */
 216        if (phydev->phy_id == 0x1410dd1) {
 217                /*
 218                 * Page 3, Register 16: LED[2:0] Function Control Register
 219                 * LED[0] (SPD:Amber) R16_3.3:0 to 0111: on-GbE link
 220                 * LED[1] (LNK:Green) R16_3.7:4 to 0001: on-link, blink-activity
 221                 */
 222                phy_write(phydev, MDIO_DEVAD_NONE, 22, 3);
 223                val = phy_read(phydev, MDIO_DEVAD_NONE, 16);
 224                val &= 0xff00;
 225                val |= 0x0017;
 226                phy_write(phydev, MDIO_DEVAD_NONE, 16, val);
 227                phy_write(phydev, MDIO_DEVAD_NONE, 22, 0);
 228        }
 229
 230        /* TI DP83867 */
 231        else if (phydev->phy_id == 0x2000a231) {
 232                /* configure register 0x170 for ref CLKOUT */
 233                phy_write(phydev, MDIO_DEVAD_NONE, 13, 0x001f);
 234                phy_write(phydev, MDIO_DEVAD_NONE, 14, 0x0170);
 235                phy_write(phydev, MDIO_DEVAD_NONE, 13, 0x401f);
 236                val = phy_read(phydev, MDIO_DEVAD_NONE, 14);
 237                val &= ~0x1f00;
 238                val |= 0x0b00; /* chD tx clock*/
 239                phy_write(phydev, MDIO_DEVAD_NONE, 14, val);
 240        }
 241
 242        if (phydev->drv->config)
 243                phydev->drv->config(phydev);
 244
 245        return 0;
 246}
 247
 248#ifdef CONFIG_MV88E61XX_SWITCH
 249int mv88e61xx_hw_reset(struct phy_device *phydev)
 250{
 251        struct mii_dev *bus = phydev->bus;
 252
 253        /* GPIO[0] output, CLK125 */
 254        debug("enabling RGMII_REFCLK\n");
 255        bus->write(bus, 0x1c /*MV_GLOBAL2*/, 0,
 256                   0x1a /*MV_SCRATCH_MISC*/,
 257                   (1 << 15) | (0x62 /*MV_GPIO_DIR*/ << 8) | 0xfe);
 258        bus->write(bus, 0x1c /*MV_GLOBAL2*/, 0,
 259                   0x1a /*MV_SCRATCH_MISC*/,
 260                   (1 << 15) | (0x68 /*MV_GPIO01_CNTL*/ << 8) | 7);
 261
 262        /* RGMII delay - Physical Control register bit[15:14] */
 263        debug("setting port%d RGMII rx/tx delay\n", CONFIG_MV88E61XX_CPU_PORT);
 264        /* forced 1000mbps full-duplex link */
 265        bus->write(bus, 0x10 + CONFIG_MV88E61XX_CPU_PORT, 0, 1, 0xc0fe);
 266        phydev->autoneg = AUTONEG_DISABLE;
 267        phydev->speed = SPEED_1000;
 268        phydev->duplex = DUPLEX_FULL;
 269
 270        /* LED configuration: 7:4-green (8=Activity)  3:0 amber (9=10Link) */
 271        bus->write(bus, 0x10, 0, 0x16, 0x8089);
 272        bus->write(bus, 0x11, 0, 0x16, 0x8089);
 273        bus->write(bus, 0x12, 0, 0x16, 0x8089);
 274        bus->write(bus, 0x13, 0, 0x16, 0x8089);
 275
 276        return 0;
 277}
 278#endif // CONFIG_MV88E61XX_SWITCH
 279
 280int board_eth_init(bd_t *bis)
 281{
 282#ifdef CONFIG_FEC_MXC
 283        struct ventana_board_info *info = &ventana_info;
 284
 285        if (test_bit(EECONFIG_ETH0, info->config)) {
 286                setup_iomux_enet(GP_PHY_RST);
 287                cpu_eth_init(bis);
 288        }
 289#endif
 290
 291#ifdef CONFIG_E1000
 292        e1000_initialize(bis);
 293#endif
 294
 295#ifdef CONFIG_CI_UDC
 296        /* For otg ethernet*/
 297        usb_eth_initialize(bis);
 298#endif
 299
 300        /* default to the first detected enet dev */
 301        if (!env_get("ethprime")) {
 302                struct eth_device *dev = eth_get_dev_by_index(0);
 303                if (dev) {
 304                        env_set("ethprime", dev->name);
 305                        printf("set ethprime to %s\n", env_get("ethprime"));
 306                }
 307        }
 308
 309        return 0;
 310}
 311
 312#if defined(CONFIG_VIDEO_IPUV3)
 313
 314static void enable_hdmi(struct display_info_t const *dev)
 315{
 316        imx_enable_hdmi_phy();
 317}
 318
 319static int detect_i2c(struct display_info_t const *dev)
 320{
 321        return i2c_set_bus_num(dev->bus) == 0 &&
 322                i2c_probe(dev->addr) == 0;
 323}
 324
 325static void enable_lvds(struct display_info_t const *dev)
 326{
 327        struct iomuxc *iomux = (struct iomuxc *)
 328                                IOMUXC_BASE_ADDR;
 329
 330        /* set CH0 data width to 24bit (IOMUXC_GPR2:5 0=18bit, 1=24bit) */
 331        u32 reg = readl(&iomux->gpr[2]);
 332        reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT;
 333        writel(reg, &iomux->gpr[2]);
 334
 335        /* Enable Backlight */
 336        gpio_request(IMX_GPIO_NR(1, 10), "bklt_gpio");
 337        gpio_direction_output(IMX_GPIO_NR(1, 10), 0);
 338        gpio_request(IMX_GPIO_NR(1, 18), "bklt_en");
 339        SETUP_IOMUX_PAD(PAD_SD1_CMD__GPIO1_IO18 | DIO_PAD_CFG);
 340        gpio_direction_output(IMX_GPIO_NR(1, 18), 1);
 341}
 342
 343struct display_info_t const displays[] = {{
 344        /* HDMI Output */
 345        .bus    = -1,
 346        .addr   = 0,
 347        .pixfmt = IPU_PIX_FMT_RGB24,
 348        .detect = detect_hdmi,
 349        .enable = enable_hdmi,
 350        .mode   = {
 351                .name           = "HDMI",
 352                .refresh        = 60,
 353                .xres           = 1024,
 354                .yres           = 768,
 355                .pixclock       = 15385,
 356                .left_margin    = 220,
 357                .right_margin   = 40,
 358                .upper_margin   = 21,
 359                .lower_margin   = 7,
 360                .hsync_len      = 60,
 361                .vsync_len      = 10,
 362                .sync           = FB_SYNC_EXT,
 363                .vmode          = FB_VMODE_NONINTERLACED
 364} }, {
 365        /* Freescale MXC-LVDS1: HannStar HSD100PXN1-A00 w/ egalx_ts cont */
 366        .bus    = 2,
 367        .addr   = 0x4,
 368        .pixfmt = IPU_PIX_FMT_LVDS666,
 369        .detect = detect_i2c,
 370        .enable = enable_lvds,
 371        .mode   = {
 372                .name           = "Hannstar-XGA",
 373                .refresh        = 60,
 374                .xres           = 1024,
 375                .yres           = 768,
 376                .pixclock       = 15385,
 377                .left_margin    = 220,
 378                .right_margin   = 40,
 379                .upper_margin   = 21,
 380                .lower_margin   = 7,
 381                .hsync_len      = 60,
 382                .vsync_len      = 10,
 383                .sync           = FB_SYNC_EXT,
 384                .vmode          = FB_VMODE_NONINTERLACED
 385} }, {
 386        /* DLC700JMG-T-4 */
 387        .bus    = 0,
 388        .addr   = 0,
 389        .detect = NULL,
 390        .enable = enable_lvds,
 391        .pixfmt = IPU_PIX_FMT_LVDS666,
 392        .mode   = {
 393                .name           = "DLC700JMGT4",
 394                .refresh        = 60,
 395                .xres           = 1024,         /* 1024x600active pixels */
 396                .yres           = 600,
 397                .pixclock       = 15385,        /* 64MHz */
 398                .left_margin    = 220,
 399                .right_margin   = 40,
 400                .upper_margin   = 21,
 401                .lower_margin   = 7,
 402                .hsync_len      = 60,
 403                .vsync_len      = 10,
 404                .sync           = FB_SYNC_EXT,
 405                .vmode          = FB_VMODE_NONINTERLACED
 406} }, {
 407        /* DLC800FIG-T-3 */
 408        .bus    = 0,
 409        .addr   = 0,
 410        .detect = NULL,
 411        .enable = enable_lvds,
 412        .pixfmt = IPU_PIX_FMT_LVDS666,
 413        .mode   = {
 414                .name           = "DLC800FIGT3",
 415                .refresh        = 60,
 416                .xres           = 1024,         /* 1024x768 active pixels */
 417                .yres           = 768,
 418                .pixclock       = 15385,        /* 64MHz */
 419                .left_margin    = 220,
 420                .right_margin   = 40,
 421                .upper_margin   = 21,
 422                .lower_margin   = 7,
 423                .hsync_len      = 60,
 424                .vsync_len      = 10,
 425                .sync           = FB_SYNC_EXT,
 426                .vmode          = FB_VMODE_NONINTERLACED
 427} } };
 428size_t display_count = ARRAY_SIZE(displays);
 429
 430static void setup_display(void)
 431{
 432        struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 433        struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 434        int reg;
 435
 436        enable_ipu_clock();
 437        imx_setup_hdmi();
 438        /* Turn on LDB0,IPU,IPU DI0 clocks */
 439        reg = __raw_readl(&mxc_ccm->CCGR3);
 440        reg |= MXC_CCM_CCGR3_LDB_DI0_MASK;
 441        writel(reg, &mxc_ccm->CCGR3);
 442
 443        /* set LDB0, LDB1 clk select to 011/011 */
 444        reg = readl(&mxc_ccm->cs2cdr);
 445        reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
 446                 |MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
 447        reg |= (3<<MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
 448              |(3<<MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
 449        writel(reg, &mxc_ccm->cs2cdr);
 450
 451        reg = readl(&mxc_ccm->cscmr2);
 452        reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV;
 453        writel(reg, &mxc_ccm->cscmr2);
 454
 455        reg = readl(&mxc_ccm->chsccdr);
 456        reg |= (CHSCCDR_CLK_SEL_LDB_DI0
 457                <<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
 458        writel(reg, &mxc_ccm->chsccdr);
 459
 460        reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
 461             |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH
 462             |IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
 463             |IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
 464             |IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
 465             |IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
 466             |IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
 467             |IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
 468             |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
 469        writel(reg, &iomux->gpr[2]);
 470
 471        reg = readl(&iomux->gpr[3]);
 472        reg = (reg & ~IOMUXC_GPR3_LVDS0_MUX_CTL_MASK)
 473            | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
 474               <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
 475        writel(reg, &iomux->gpr[3]);
 476
 477        /* LVDS Backlight GPIO on LVDS connector - output low */
 478        SETUP_IOMUX_PAD(PAD_SD2_CLK__GPIO1_IO10 | DIO_PAD_CFG);
 479        gpio_direction_output(IMX_GPIO_NR(1, 10), 0);
 480}
 481#endif /* CONFIG_VIDEO_IPUV3 */
 482
 483/* setup board specific PMIC */
 484int power_init_board(void)
 485{
 486        setup_pmic();
 487        return 0;
 488}
 489
 490#if defined(CONFIG_CMD_PCI)
 491int imx6_pcie_toggle_reset(void)
 492{
 493        if (board_type < GW_UNKNOWN) {
 494                uint pin = gpio_cfg[board_type].pcie_rst;
 495                gpio_request(pin, "pci_rst#");
 496                gpio_direction_output(pin, 0);
 497                mdelay(50);
 498                gpio_direction_output(pin, 1);
 499        }
 500        return 0;
 501}
 502
 503/*
 504 * Most Ventana boards have a PLX PEX860x PCIe switch onboard and use its
 505 * GPIO's as PERST# signals for its downstream ports - configure the GPIO's
 506 * properly and assert reset for 100ms.
 507 */
 508#define MAX_PCI_DEVS    32
 509struct pci_dev {
 510        pci_dev_t devfn;
 511        unsigned short vendor;
 512        unsigned short device;
 513        unsigned short class;
 514        unsigned short busno; /* subbordinate busno */
 515        struct pci_dev *ppar;
 516};
 517struct pci_dev pci_devs[MAX_PCI_DEVS];
 518int pci_devno;
 519int pci_bridgeno;
 520
 521void board_pci_fixup_dev(struct pci_controller *hose, pci_dev_t dev,
 522                         unsigned short vendor, unsigned short device,
 523                         unsigned short class)
 524{
 525        int i;
 526        u32 dw;
 527        struct pci_dev *pdev = &pci_devs[pci_devno++];
 528
 529        debug("%s: %02d:%02d.%02d: %04x:%04x\n", __func__,
 530              PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev), vendor, device);
 531
 532        /* store array of devs for later use in device-tree fixup */
 533        pdev->devfn = dev;
 534        pdev->vendor = vendor;
 535        pdev->device = device;
 536        pdev->class = class;
 537        pdev->ppar = NULL;
 538        if (class == PCI_CLASS_BRIDGE_PCI)
 539                pdev->busno = ++pci_bridgeno;
 540        else
 541                pdev->busno = 0;
 542
 543        /* fixup RC - it should be 00:00.0 not 00:01.0 */
 544        if (PCI_BUS(dev) == 0)
 545                pdev->devfn = 0;
 546
 547        /* find dev's parent */
 548        for (i = 0; i < pci_devno; i++) {
 549                if (pci_devs[i].busno == PCI_BUS(pdev->devfn)) {
 550                        pdev->ppar = &pci_devs[i];
 551                        break;
 552                }
 553        }
 554
 555        /* assert downstream PERST# */
 556        if (vendor == PCI_VENDOR_ID_PLX &&
 557            (device & 0xfff0) == 0x8600 &&
 558            PCI_DEV(dev) == 0 && PCI_FUNC(dev) == 0) {
 559                debug("configuring PLX 860X downstream PERST#\n");
 560                pci_hose_read_config_dword(hose, dev, 0x62c, &dw);
 561                dw |= 0xaaa8; /* GPIO1-7 outputs */
 562                pci_hose_write_config_dword(hose, dev, 0x62c, dw);
 563
 564                pci_hose_read_config_dword(hose, dev, 0x644, &dw);
 565                dw |= 0xfe;   /* GPIO1-7 output high */
 566                pci_hose_write_config_dword(hose, dev, 0x644, dw);
 567
 568                mdelay(100);
 569        }
 570}
 571#endif /* CONFIG_CMD_PCI */
 572
 573#ifdef CONFIG_SERIAL_TAG
 574/*
 575 * called when setting up ATAGS before booting kernel
 576 * populate serialnum from the following (in order of priority):
 577 *   serial# env var
 578 *   eeprom
 579 */
 580void get_board_serial(struct tag_serialnr *serialnr)
 581{
 582        char *serial = env_get("serial#");
 583
 584        if (serial) {
 585                serialnr->high = 0;
 586                serialnr->low = simple_strtoul(serial, NULL, 10);
 587        } else if (ventana_info.model[0]) {
 588                serialnr->high = 0;
 589                serialnr->low = ventana_info.serial;
 590        } else {
 591                serialnr->high = 0;
 592                serialnr->low = 0;
 593        }
 594}
 595#endif
 596
 597/*
 598 * Board Support
 599 */
 600
 601int board_early_init_f(void)
 602{
 603        setup_iomux_uart();
 604
 605#if defined(CONFIG_VIDEO_IPUV3)
 606        setup_display();
 607#endif
 608        return 0;
 609}
 610
 611int dram_init(void)
 612{
 613        gd->ram_size = imx_ddr_size();
 614        return 0;
 615}
 616
 617int board_init(void)
 618{
 619        struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
 620
 621        clrsetbits_le32(&iomuxc_regs->gpr[1],
 622                        IOMUXC_GPR1_OTG_ID_MASK,
 623                        IOMUXC_GPR1_OTG_ID_GPIO1);
 624
 625        /* address of linux boot parameters */
 626        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 627
 628#ifdef CONFIG_CMD_NAND
 629        setup_gpmi_nand();
 630#endif
 631#ifdef CONFIG_MXC_SPI
 632        setup_spi();
 633#endif
 634        setup_ventana_i2c();
 635
 636#ifdef CONFIG_SATA
 637        setup_sata();
 638#endif
 639        /* read Gateworks EEPROM into global struct (used later) */
 640        board_type = read_eeprom(CONFIG_I2C_GSC, &ventana_info);
 641
 642        setup_iomux_gpio(board_type, &ventana_info);
 643
 644        return 0;
 645}
 646
 647#if defined(CONFIG_DISPLAY_BOARDINFO_LATE)
 648/*
 649 * called during late init (after relocation and after board_init())
 650 * by virtue of CONFIG_DISPLAY_BOARDINFO_LATE as we needed i2c initialized and
 651 * EEPROM read.
 652 */
 653int checkboard(void)
 654{
 655        struct ventana_board_info *info = &ventana_info;
 656        unsigned char buf[4];
 657        const char *p;
 658        int quiet; /* Quiet or minimal output mode */
 659
 660        quiet = 0;
 661        p = env_get("quiet");
 662        if (p)
 663                quiet = simple_strtol(p, NULL, 10);
 664        else
 665                env_set("quiet", "0");
 666
 667        puts("\nGateworks Corporation Copyright 2014\n");
 668        if (info->model[0]) {
 669                printf("Model: %s\n", info->model);
 670                printf("MFGDate: %02x-%02x-%02x%02x\n",
 671                       info->mfgdate[0], info->mfgdate[1],
 672                       info->mfgdate[2], info->mfgdate[3]);
 673                printf("Serial:%d\n", info->serial);
 674        } else {
 675                puts("Invalid EEPROM - board will not function fully\n");
 676        }
 677        if (quiet)
 678                return 0;
 679
 680        /* Display GSC firmware revision/CRC/status */
 681        gsc_info(0);
 682
 683        /* Display RTC */
 684        if (!gsc_i2c_read(GSC_RTC_ADDR, 0x00, 1, buf, 4)) {
 685                printf("RTC:   %d\n",
 686                       buf[0] | buf[1]<<8 | buf[2]<<16 | buf[3]<<24);
 687        }
 688
 689        return 0;
 690}
 691#endif
 692
 693#ifdef CONFIG_CMD_BMODE
 694/*
 695 * BOOT_CFG1, BOOT_CFG2, BOOT_CFG3, BOOT_CFG4
 696 * see Table 8-11 and Table 5-9
 697 *  BOOT_CFG1[7] = 1 (boot from NAND)
 698 *  BOOT_CFG1[5] = 0 - raw NAND
 699 *  BOOT_CFG1[4] = 0 - default pad settings
 700 *  BOOT_CFG1[3:2] = 00 - devices = 1
 701 *  BOOT_CFG1[1:0] = 00 - Row Address Cycles = 3
 702 *  BOOT_CFG2[4:3] = 00 - Boot Search Count = 2
 703 *  BOOT_CFG2[2:1] = 01 - Pages In Block = 64
 704 *  BOOT_CFG2[0] = 0 - Reset time 12ms
 705 */
 706static const struct boot_mode board_boot_modes[] = {
 707        /* NAND: 64pages per block, 3 row addr cycles, 2 copies of FCB/DBBT */
 708        { "nand", MAKE_CFGVAL(0x80, 0x02, 0x00, 0x00) },
 709        { "emmc2", MAKE_CFGVAL(0x60, 0x48, 0x00, 0x00) }, /* GW5600 */
 710        { "emmc3", MAKE_CFGVAL(0x60, 0x50, 0x00, 0x00) }, /* GW5903/GW5904 */
 711        { NULL, 0 },
 712};
 713#endif
 714
 715/* late init */
 716int misc_init_r(void)
 717{
 718        struct ventana_board_info *info = &ventana_info;
 719        char buf[256];
 720        int i;
 721
 722        /* set env vars based on EEPROM data */
 723        if (ventana_info.model[0]) {
 724                char str[16], fdt[36];
 725                char *p;
 726                const char *cputype = "";
 727
 728                /*
 729                 * FDT name will be prefixed with CPU type.  Three versions
 730                 * will be created each increasingly generic and bootloader
 731                 * env scripts will try loading each from most specific to
 732                 * least.
 733                 */
 734                if (is_cpu_type(MXC_CPU_MX6Q) ||
 735                    is_cpu_type(MXC_CPU_MX6D))
 736                        cputype = "imx6q";
 737                else if (is_cpu_type(MXC_CPU_MX6DL) ||
 738                         is_cpu_type(MXC_CPU_MX6SOLO))
 739                        cputype = "imx6dl";
 740                env_set("soctype", cputype);
 741                if (8 << (ventana_info.nand_flash_size-1) >= 2048)
 742                        env_set("flash_layout", "large");
 743                else
 744                        env_set("flash_layout", "normal");
 745                memset(str, 0, sizeof(str));
 746                for (i = 0; i < (sizeof(str)-1) && info->model[i]; i++)
 747                        str[i] = tolower(info->model[i]);
 748                env_set("model", str);
 749                if (!env_get("fdt_file")) {
 750                        sprintf(fdt, "%s-%s.dtb", cputype, str);
 751                        env_set("fdt_file", fdt);
 752                }
 753                p = strchr(str, '-');
 754                if (p) {
 755                        *p++ = 0;
 756
 757                        env_set("model_base", str);
 758                        sprintf(fdt, "%s-%s.dtb", cputype, str);
 759                        env_set("fdt_file1", fdt);
 760                        if (board_type != GW551x &&
 761                            board_type != GW552x &&
 762                            board_type != GW553x &&
 763                            board_type != GW560x)
 764                                str[4] = 'x';
 765                        str[5] = 'x';
 766                        str[6] = 0;
 767                        sprintf(fdt, "%s-%s.dtb", cputype, str);
 768                        env_set("fdt_file2", fdt);
 769                }
 770
 771                /* initialize env from EEPROM */
 772                if (test_bit(EECONFIG_ETH0, info->config) &&
 773                    !env_get("ethaddr")) {
 774                        eth_env_set_enetaddr("ethaddr", info->mac0);
 775                }
 776                if (test_bit(EECONFIG_ETH1, info->config) &&
 777                    !env_get("eth1addr")) {
 778                        eth_env_set_enetaddr("eth1addr", info->mac1);
 779                }
 780
 781                /* board serial-number */
 782                sprintf(str, "%6d", info->serial);
 783                env_set("serial#", str);
 784
 785                /* memory MB */
 786                sprintf(str, "%d", (int) (gd->ram_size >> 20));
 787                env_set("mem_mb", str);
 788        }
 789
 790        /* Set a non-initialized hwconfig based on board configuration */
 791        if (!strcmp(env_get("hwconfig"), "_UNKNOWN_")) {
 792                buf[0] = 0;
 793                if (gpio_cfg[board_type].rs232_en)
 794                        strcat(buf, "rs232;");
 795                for (i = 0; i < gpio_cfg[board_type].dio_num; i++) {
 796                        char buf1[32];
 797                        sprintf(buf1, "dio%d:mode=gpio;", i);
 798                        if (strlen(buf) + strlen(buf1) < sizeof(buf))
 799                                strcat(buf, buf1);
 800                }
 801                env_set("hwconfig", buf);
 802        }
 803
 804        /* setup baseboard specific GPIO based on board and env */
 805        setup_board_gpio(board_type, info);
 806
 807#ifdef CONFIG_CMD_BMODE
 808        add_board_boot_modes(board_boot_modes);
 809#endif
 810
 811        /* disable boot watchdog */
 812        gsc_boot_wd_disable();
 813
 814        return 0;
 815}
 816
 817#ifdef CONFIG_OF_BOARD_SETUP
 818
 819static int ft_sethdmiinfmt(void *blob, char *mode)
 820{
 821        int off;
 822
 823        if (!mode)
 824                return -EINVAL;
 825
 826        off = fdt_node_offset_by_compatible(blob, -1, "nxp,tda1997x");
 827        if (off < 0)
 828                return off;
 829
 830        if (0 == strcasecmp(mode, "yuv422bt656")) {
 831                u8 cfg[] = { 0x00, 0x00, 0x00, 0x82, 0x81, 0x00,
 832                             0x00, 0x00, 0x00 };
 833                mode = "422_ccir";
 834                fdt_setprop(blob, off, "vidout_fmt", mode, strlen(mode) + 1);
 835                fdt_setprop_u32(blob, off, "vidout_trc", 1);
 836                fdt_setprop_u32(blob, off, "vidout_blc", 1);
 837                fdt_setprop(blob, off, "vidout_portcfg", cfg, sizeof(cfg));
 838                printf("   set HDMI input mode to %s\n", mode);
 839        } else if (0 == strcasecmp(mode, "yuv422smp")) {
 840                u8 cfg[] = { 0x00, 0x00, 0x00, 0x88, 0x87, 0x00,
 841                             0x82, 0x81, 0x00 };
 842                mode = "422_smp";
 843                fdt_setprop(blob, off, "vidout_fmt", mode, strlen(mode) + 1);
 844                fdt_setprop_u32(blob, off, "vidout_trc", 0);
 845                fdt_setprop_u32(blob, off, "vidout_blc", 0);
 846                fdt_setprop(blob, off, "vidout_portcfg", cfg, sizeof(cfg));
 847                printf("   set HDMI input mode to %s\n", mode);
 848        } else {
 849                return -EINVAL;
 850        }
 851
 852        return 0;
 853}
 854
 855/* enable a property of a node if the node is found */
 856static inline void ft_enable_path(void *blob, const char *path)
 857{
 858        int i = fdt_path_offset(blob, path);
 859        if (i >= 0) {
 860                debug("enabling %s\n", path);
 861                fdt_status_okay(blob, i);
 862        }
 863}
 864
 865/* remove a property of a node if the node is found */
 866static inline void ft_delprop_path(void *blob, const char *path,
 867                                   const char *name)
 868{
 869        int i = fdt_path_offset(blob, path);
 870        if (i) {
 871                debug("removing %s/%s\n", path, name);
 872                fdt_delprop(blob, i, name);
 873        }
 874}
 875
 876#if defined(CONFIG_CMD_PCI)
 877#define PCI_ID(x) ( \
 878        (PCI_BUS(x->devfn)<<16)| \
 879        (PCI_DEV(x->devfn)<<11)| \
 880        (PCI_FUNC(x->devfn)<<8) \
 881        )
 882#define PCIE_PATH       "/soc/pcie@0x01000000"
 883int fdt_add_pci_node(void *blob, int par, struct pci_dev *dev)
 884{
 885        uint32_t reg[5];
 886        char node[32];
 887        int np;
 888
 889        sprintf(node, "pcie@%d,%d,%d", PCI_BUS(dev->devfn),
 890                PCI_DEV(dev->devfn), PCI_FUNC(dev->devfn));
 891
 892        np = fdt_subnode_offset(blob, par, node);
 893        if (np >= 0)
 894                return np;
 895        np = fdt_add_subnode(blob, par, node);
 896        if (np < 0) {
 897                printf("   %s failed: no space\n", __func__);
 898                return np;
 899        }
 900
 901        memset(reg, 0, sizeof(reg));
 902        reg[0] = cpu_to_fdt32(PCI_ID(dev));
 903        fdt_setprop(blob, np, "reg", reg, sizeof(reg));
 904
 905        return np;
 906}
 907
 908/* build a path of nested PCI devs for all bridges passed through */
 909int fdt_add_pci_path(void *blob, struct pci_dev *dev)
 910{
 911        struct pci_dev *bridges[MAX_PCI_DEVS];
 912        int k, np;
 913
 914        /* build list of parents */
 915        np = fdt_path_offset(blob, PCIE_PATH);
 916        if (np < 0)
 917                return np;
 918
 919        k = 0;
 920        while (dev) {
 921                bridges[k++] = dev;
 922                dev = dev->ppar;
 923        };
 924
 925        /* now add them the to DT in reverse order */
 926        while (k--) {
 927                np = fdt_add_pci_node(blob, np, bridges[k]);
 928                if (np < 0)
 929                        break;
 930        }
 931
 932        return np;
 933}
 934
 935/*
 936 * The GW16082 has a hardware errata errata such that it's
 937 * INTA/B/C/D are mis-mapped to its four slots (slot12-15). Because
 938 * of this normal PCI interrupt swizzling will not work so we will
 939 * provide an irq-map via device-tree.
 940 */
 941int fdt_fixup_gw16082(void *blob, int np, struct pci_dev *dev)
 942{
 943        int len;
 944        int host;
 945        uint32_t imap_new[8*4*4];
 946        const uint32_t *imap;
 947        uint32_t irq[4];
 948        uint32_t reg[4];
 949        int i;
 950
 951        /* build irq-map based on host controllers map */
 952        host = fdt_path_offset(blob, PCIE_PATH);
 953        if (host < 0) {
 954                printf("   %s failed: missing host\n", __func__);
 955                return host;
 956        }
 957
 958        /* use interrupt data from root complex's node */
 959        imap = fdt_getprop(blob, host, "interrupt-map", &len);
 960        if (!imap || len != 128) {
 961                printf("   %s failed: invalid interrupt-map\n",
 962                       __func__);
 963                return -FDT_ERR_NOTFOUND;
 964        }
 965
 966        /* obtain irq's of host controller in pin order */
 967        for (i = 0; i < 4; i++)
 968                irq[(fdt32_to_cpu(imap[(i*8)+3])-1)%4] = imap[(i*8)+6];
 969
 970        /*
 971         * determine number of swizzles necessary:
 972         *   For each bridge we pass through we need to swizzle
 973         *   the number of the slot we are on.
 974         */
 975        struct pci_dev *d;
 976        int b;
 977        b = 0;
 978        d = dev->ppar;
 979        while(d && d->ppar) {
 980                b += PCI_DEV(d->devfn);
 981                d = d->ppar;
 982        }
 983
 984        /* create new irq mappings for slots12-15
 985         * <skt> <idsel> <slot> <skt-inta> <skt-intb>
 986         * J3    AD28    12     INTD      INTA
 987         * J4    AD29    13     INTC      INTD
 988         * J5    AD30    14     INTB      INTC
 989         * J2    AD31    15     INTA      INTB
 990         */
 991        for (i = 0; i < 4; i++) {
 992                /* addr matches bus:dev:func */
 993                u32 addr = dev->busno << 16 | (12+i) << 11;
 994
 995                /* default cells from root complex */
 996                memcpy(&imap_new[i*32], imap, 128);
 997                /* first cell is PCI device address (BDF) */
 998                imap_new[(i*32)+(0*8)+0] = cpu_to_fdt32(addr);
 999                imap_new[(i*32)+(1*8)+0] = cpu_to_fdt32(addr);
1000                imap_new[(i*32)+(2*8)+0] = cpu_to_fdt32(addr);
1001                imap_new[(i*32)+(3*8)+0] = cpu_to_fdt32(addr);
1002                /* third cell is pin */
1003                imap_new[(i*32)+(0*8)+3] = cpu_to_fdt32(1);
1004                imap_new[(i*32)+(1*8)+3] = cpu_to_fdt32(2);
1005                imap_new[(i*32)+(2*8)+3] = cpu_to_fdt32(3);
1006                imap_new[(i*32)+(3*8)+3] = cpu_to_fdt32(4);
1007                /* sixth cell is relative interrupt */
1008                imap_new[(i*32)+(0*8)+6] = irq[(15-(12+i)+b+0)%4];
1009                imap_new[(i*32)+(1*8)+6] = irq[(15-(12+i)+b+1)%4];
1010                imap_new[(i*32)+(2*8)+6] = irq[(15-(12+i)+b+2)%4];
1011                imap_new[(i*32)+(3*8)+6] = irq[(15-(12+i)+b+3)%4];
1012        }
1013        fdt_setprop(blob, np, "interrupt-map", imap_new,
1014                    sizeof(imap_new));
1015        reg[0] = cpu_to_fdt32(0xfff00);
1016        reg[1] = 0;
1017        reg[2] = 0;
1018        reg[3] = cpu_to_fdt32(0x7);
1019        fdt_setprop(blob, np, "interrupt-map-mask", reg, sizeof(reg));
1020        fdt_setprop_cell(blob, np, "#interrupt-cells", 1);
1021        fdt_setprop_string(blob, np, "device_type", "pci");
1022        fdt_setprop_cell(blob, np, "#address-cells", 3);
1023        fdt_setprop_cell(blob, np, "#size-cells", 2);
1024        printf("   Added custom interrupt-map for GW16082\n");
1025
1026        return 0;
1027}
1028
1029/* The sky2 GigE MAC obtains it's MAC addr from device-tree by default */
1030int fdt_fixup_sky2(void *blob, int np, struct pci_dev *dev)
1031{
1032        char *tmp, *end;
1033        char mac[16];
1034        unsigned char mac_addr[6];
1035        int j;
1036
1037        sprintf(mac, "eth1addr");
1038        tmp = env_get(mac);
1039        if (tmp) {
1040                for (j = 0; j < 6; j++) {
1041                        mac_addr[j] = tmp ?
1042                                      simple_strtoul(tmp, &end,16) : 0;
1043                        if (tmp)
1044                                tmp = (*end) ? end+1 : end;
1045                }
1046                fdt_setprop(blob, np, "local-mac-address", mac_addr,
1047                            sizeof(mac_addr));
1048                printf("   Added mac addr for eth1\n");
1049                return 0;
1050        }
1051
1052        return -1;
1053}
1054
1055/*
1056 * PCI DT nodes must be nested therefore if we need to apply a DT fixup
1057 * we will walk the PCI bus and add bridge nodes up to the device receiving
1058 * the fixup.
1059 */
1060void ft_board_pci_fixup(void *blob, bd_t *bd)
1061{
1062        int i, np;
1063        struct pci_dev *dev;
1064
1065        for (i = 0; i < pci_devno; i++) {
1066                dev = &pci_devs[i];
1067
1068                /*
1069                 * The GW16082 consists of a TI XIO2001 PCIe-to-PCI bridge and
1070                 * an EEPROM at i2c1-0x50.
1071                 */
1072                if ((dev->vendor == PCI_VENDOR_ID_TI) &&
1073                    (dev->device == 0x8240) &&
1074                    (i2c_set_bus_num(1) == 0) &&
1075                    (i2c_probe(0x50) == 0))
1076                {
1077                        np = fdt_add_pci_path(blob, dev);
1078                        if (np > 0)
1079                                fdt_fixup_gw16082(blob, np, dev);
1080                }
1081
1082                /* ethernet1 mac address */
1083                else if ((dev->vendor == PCI_VENDOR_ID_MARVELL) &&
1084                         (dev->device == 0x4380))
1085                {
1086                        np = fdt_add_pci_path(blob, dev);
1087                        if (np > 0)
1088                                fdt_fixup_sky2(blob, np, dev);
1089                }
1090        }
1091}
1092#endif /* if defined(CONFIG_CMD_PCI) */
1093
1094void ft_board_wdog_fixup(void *blob, const char *path)
1095{
1096        ft_delprop_path(blob, path, "ext-reset-output");
1097        ft_delprop_path(blob, path, "fsl,ext-reset-output");
1098}
1099
1100/*
1101 * called prior to booting kernel or by 'fdt boardsetup' command
1102 *
1103 * unless 'fdt_noauto' env var is set we will update the following in the DTB:
1104 *  - mtd partitions based on mtdparts/mtdids env
1105 *  - system-serial (board serial num from EEPROM)
1106 *  - board (full model from EEPROM)
1107 *  - peripherals removed from DTB if not loaded on board (per EEPROM config)
1108 */
1109#define UART1_PATH      "/soc/aips-bus@02100000/serial@021ec000"
1110#define WDOG1_PATH      "/soc/aips-bus@02000000/wdog@020bc000"
1111#define WDOG2_PATH      "/soc/aips-bus@02000000/wdog@020c0000"
1112#define GPIO3_PATH      "/soc/aips-bus@02000000/gpio@020a4000"
1113int ft_board_setup(void *blob, bd_t *bd)
1114{
1115        struct ventana_board_info *info = &ventana_info;
1116        struct ventana_eeprom_config *cfg;
1117        struct node_info nodes[] = {
1118                { "sst,w25q256",          MTD_DEV_TYPE_NOR, },  /* SPI flash */
1119                { "fsl,imx6q-gpmi-nand",  MTD_DEV_TYPE_NAND, }, /* NAND flash */
1120        };
1121        const char *model = env_get("model");
1122        const char *display = env_get("display");
1123        int i;
1124        char rev = 0;
1125
1126        /* determine board revision */
1127        for (i = sizeof(ventana_info.model) - 1; i > 0; i--) {
1128                if (ventana_info.model[i] >= 'A') {
1129                        rev = ventana_info.model[i];
1130                        break;
1131                }
1132        }
1133
1134        if (env_get("fdt_noauto")) {
1135                puts("   Skiping ft_board_setup (fdt_noauto defined)\n");
1136                return 0;
1137        }
1138
1139        if (test_bit(EECONFIG_NAND, info->config)) {
1140                /* Update partition nodes using info from mtdparts env var */
1141                puts("   Updating MTD partitions...\n");
1142                fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
1143        }
1144
1145        /* Update display timings from display env var */
1146        if (display) {
1147                if (fdt_fixup_display(blob, fdt_get_alias(blob, "lvds0"),
1148                                      display) >= 0)
1149                        printf("   Set display timings for %s...\n", display);
1150        }
1151
1152        printf("   Adjusting FDT per EEPROM for %s...\n", model);
1153
1154        /* board serial number */
1155        fdt_setprop(blob, 0, "system-serial", env_get("serial#"),
1156                    strlen(env_get("serial#")) + 1);
1157
1158        /* board (model contains model from device-tree) */
1159        fdt_setprop(blob, 0, "board", info->model,
1160                    strlen((const char *)info->model) + 1);
1161
1162        /* set desired digital video capture format */
1163        ft_sethdmiinfmt(blob, env_get("hdmiinfmt"));
1164
1165        /*
1166         * Board model specific fixups
1167         */
1168        switch (board_type) {
1169        case GW51xx:
1170                /*
1171                 * disable wdog node for GW51xx-A/B to work around
1172                 * errata causing wdog timer to be unreliable.
1173                 */
1174                if (rev >= 'A' && rev < 'C') {
1175                        i = fdt_path_offset(blob, WDOG1_PATH);
1176                        if (i)
1177                                fdt_status_disabled(blob, i);
1178                }
1179
1180                /* GW51xx-E adds WDOG1_B external reset */
1181                if (rev < 'E')
1182                        ft_board_wdog_fixup(blob, WDOG1_PATH);
1183                break;
1184
1185        case GW52xx:
1186                /* GW522x Uses GPIO3_IO23 instead of GPIO1_IO29 */
1187                if (info->model[4] == '2') {
1188                        u32 handle = 0;
1189                        u32 *range = NULL;
1190
1191                        i = fdt_node_offset_by_compatible(blob, -1,
1192                                                          "fsl,imx6q-pcie");
1193                        if (i)
1194                                range = (u32 *)fdt_getprop(blob, i,
1195                                                           "reset-gpio", NULL);
1196
1197                        if (range) {
1198                                i = fdt_path_offset(blob, GPIO3_PATH);
1199                                if (i)
1200                                        handle = fdt_get_phandle(blob, i);
1201                                if (handle) {
1202                                        range[0] = cpu_to_fdt32(handle);
1203                                        range[1] = cpu_to_fdt32(23);
1204                                }
1205                        }
1206
1207                        /* these have broken usd_vsel */
1208                        if (strstr((const char *)info->model, "SP318-B") ||
1209                            strstr((const char *)info->model, "SP331-B"))
1210                                gpio_cfg[board_type].usd_vsel = 0;
1211
1212                        /* GW522x-B adds WDOG1_B external reset */
1213                        ft_board_wdog_fixup(blob, WDOG1_PATH);
1214                }
1215
1216                /* GW520x-E adds WDOG1_B external reset */
1217                else if (info->model[4] == '0' && rev < 'E')
1218                        ft_board_wdog_fixup(blob, WDOG1_PATH);
1219                break;
1220
1221        case GW53xx:
1222                /* GW53xx-E adds WDOG1_B external reset */
1223                if (rev < 'E')
1224                        ft_board_wdog_fixup(blob, WDOG1_PATH);
1225                break;
1226
1227        case GW54xx:
1228                /*
1229                 * disable serial2 node for GW54xx for compatibility with older
1230                 * 3.10.x kernel that improperly had this node enabled in the DT
1231                 */
1232                i = fdt_path_offset(blob, UART1_PATH);
1233                if (i)
1234                        fdt_del_node(blob, i);
1235
1236                /* GW54xx-E adds WDOG2_B external reset */
1237                if (rev < 'E')
1238                        ft_board_wdog_fixup(blob, WDOG2_PATH);
1239                break;
1240
1241        case GW551x:
1242                /*
1243                 * isolate CSI0_DATA_EN for GW551x-A to work around errata
1244                 * causing non functional digital video in (it is not hooked up)
1245                 */
1246                if (rev == 'A') {
1247                        u32 *range = NULL;
1248                        int len;
1249                        const u32 *handle = NULL;
1250
1251                        i = fdt_node_offset_by_compatible(blob, -1,
1252                                                "fsl,imx-tda1997x-video");
1253                        if (i)
1254                                handle = fdt_getprop(blob, i, "pinctrl-0",
1255                                                     NULL);
1256                        if (handle)
1257                                i = fdt_node_offset_by_phandle(blob,
1258                                                        fdt32_to_cpu(*handle));
1259                        if (i)
1260                                range = (u32 *)fdt_getprop(blob, i, "fsl,pins",
1261                                                           &len);
1262                        if (range) {
1263                                len /= sizeof(u32);
1264                                for (i = 0; i < len; i += 6) {
1265                                        u32 mux_reg = fdt32_to_cpu(range[i+0]);
1266                                        u32 conf_reg = fdt32_to_cpu(range[i+1]);
1267                                        /* mux PAD_CSI0_DATA_EN to GPIO */
1268                                        if (is_cpu_type(MXC_CPU_MX6Q) &&
1269                                            mux_reg == 0x260 &&
1270                                            conf_reg == 0x630)
1271                                                range[i+3] = cpu_to_fdt32(0x5);
1272                                        else if (!is_cpu_type(MXC_CPU_MX6Q) &&
1273                                                 mux_reg == 0x08c &&
1274                                                 conf_reg == 0x3a0)
1275                                                range[i+3] = cpu_to_fdt32(0x5);
1276                                }
1277                                fdt_setprop_inplace(blob, i, "fsl,pins", range,
1278                                                    len);
1279                        }
1280
1281                        /* set BT656 video format */
1282                        ft_sethdmiinfmt(blob, "yuv422bt656");
1283                }
1284
1285                /* GW551x-C adds WDOG1_B external reset */
1286                if (rev < 'C')
1287                        ft_board_wdog_fixup(blob, WDOG1_PATH);
1288                break;
1289        }
1290
1291        /* Configure DIO */
1292        for (i = 0; i < gpio_cfg[board_type].dio_num; i++) {
1293                struct dio_cfg *cfg = &gpio_cfg[board_type].dio_cfg[i];
1294                char arg[10];
1295
1296                sprintf(arg, "dio%d", i);
1297                if (!hwconfig(arg))
1298                        continue;
1299                if (hwconfig_subarg_cmp(arg, "mode", "pwm") && cfg->pwm_param)
1300                {
1301                        char path[48];
1302                        sprintf(path, "/soc/aips-bus@02000000/pwm@%08x",
1303                                0x02080000 + (0x4000 * (cfg->pwm_param - 1)));
1304                        printf("   Enabling pwm%d for DIO%d\n",
1305                               cfg->pwm_param, i);
1306                        ft_enable_path(blob, path);
1307                }
1308        }
1309
1310        /* remove no-1-8-v if UHS-I support is present */
1311        if (gpio_cfg[board_type].usd_vsel) {
1312                debug("Enabling UHS-I support\n");
1313                ft_delprop_path(blob, "/soc/aips-bus@02100000/usdhc@02198000",
1314                                "no-1-8-v");
1315        }
1316
1317#if defined(CONFIG_CMD_PCI)
1318        if (!env_get("nopcifixup"))
1319                ft_board_pci_fixup(blob, bd);
1320#endif
1321
1322        /*
1323         * Peripheral Config:
1324         *  remove nodes by alias path if EEPROM config tells us the
1325         *  peripheral is not loaded on the board.
1326         */
1327        if (env_get("fdt_noconfig")) {
1328                puts("   Skiping periperhal config (fdt_noconfig defined)\n");
1329                return 0;
1330        }
1331        cfg = econfig;
1332        while (cfg->name) {
1333                if (!test_bit(cfg->bit, info->config)) {
1334                        fdt_del_node_and_alias(blob, cfg->dtalias ?
1335                                               cfg->dtalias : cfg->name);
1336                }
1337                cfg++;
1338        }
1339
1340        return 0;
1341}
1342#endif /* CONFIG_OF_BOARD_SETUP */
1343
1344static struct mxc_serial_platdata ventana_mxc_serial_plat = {
1345        .reg = (struct mxc_uart *)UART2_BASE,
1346};
1347
1348U_BOOT_DEVICE(ventana_serial) = {
1349        .name   = "serial_mxc",
1350        .platdata = &ventana_mxc_serial_plat,
1351};
1352