uboot/board/ge/bx50v3/bx50v3.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright 2015 Timesys Corporation
   4 * Copyright 2015 General Electric Company
   5 * Copyright 2012 Freescale Semiconductor, Inc.
   6 */
   7
   8#include <init.h>
   9#include <asm/arch/clock.h>
  10#include <asm/arch/imx-regs.h>
  11#include <asm/arch/iomux.h>
  12#include <asm/arch/mx6-pins.h>
  13#include <env.h>
  14#include <linux/errno.h>
  15#include <linux/libfdt.h>
  16#include <asm/gpio.h>
  17#include <asm/mach-imx/mxc_i2c.h>
  18#include <asm/mach-imx/iomux-v3.h>
  19#include <asm/mach-imx/boot_mode.h>
  20#include <asm/mach-imx/video.h>
  21#include <mmc.h>
  22#include <fsl_esdhc_imx.h>
  23#include <miiphy.h>
  24#include <net.h>
  25#include <netdev.h>
  26#include <asm/arch/mxc_hdmi.h>
  27#include <asm/arch/crm_regs.h>
  28#include <asm/io.h>
  29#include <asm/arch/sys_proto.h>
  30#include <i2c.h>
  31#include <input.h>
  32#include <pwm.h>
  33#include <version.h>
  34#include <stdlib.h>
  35#include "../common/ge_common.h"
  36#include "../common/vpd_reader.h"
  37#include "../../../drivers/net/e1000.h"
  38DECLARE_GLOBAL_DATA_PTR;
  39
  40static int confidx = 3;  /* Default to b850v3. */
  41static struct vpd_cache vpd;
  42
  43#define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP |      \
  44        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
  45        PAD_CTL_HYS)
  46
  47#define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                   \
  48        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |                 \
  49        PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
  50
  51#define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE |     \
  52        PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
  53
  54#define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
  55        PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
  56
  57#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
  58        PAD_CTL_SPEED_HIGH   | PAD_CTL_SRE_FAST)
  59
  60#define I2C_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                    \
  61        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |   \
  62        PAD_CTL_ODE | PAD_CTL_SRE_FAST)
  63
  64#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
  65
  66int dram_init(void)
  67{
  68        gd->ram_size = imx_ddr_size();
  69
  70        return 0;
  71}
  72
  73static iomux_v3_cfg_t const uart3_pads[] = {
  74        MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
  75        MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
  76        MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  77        MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  78};
  79
  80static iomux_v3_cfg_t const uart4_pads[] = {
  81        MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  82        MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  83};
  84
  85static iomux_v3_cfg_t const enet_pads[] = {
  86        MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
  87        MX6_PAD_ENET_MDC__ENET_MDC   | MUX_PAD_CTRL(ENET_PAD_CTRL),
  88        MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
  89        MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  90        MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  91        MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  92        MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  93        MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
  94        MX6_PAD_ENET_REF_CLK__ENET_TX_CLK  | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
  95        MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
  96        MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
  97        MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
  98        MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
  99        MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 100        MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 101        /* AR8033 PHY Reset */
 102        MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
 103};
 104
 105static void setup_iomux_enet(void)
 106{
 107        imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
 108
 109        /* Reset AR8033 PHY */
 110        gpio_request(IMX_GPIO_NR(1, 28), "fec_rst");
 111        gpio_direction_output(IMX_GPIO_NR(1, 28), 0);
 112        mdelay(10);
 113        gpio_set_value(IMX_GPIO_NR(1, 28), 1);
 114        mdelay(1);
 115}
 116
 117static struct i2c_pads_info i2c_pad_info1 = {
 118        .scl = {
 119                .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD,
 120                .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD,
 121                .gp = IMX_GPIO_NR(5, 27)
 122        },
 123        .sda = {
 124                .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD,
 125                .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD,
 126                .gp = IMX_GPIO_NR(5, 26)
 127        }
 128};
 129
 130static struct i2c_pads_info i2c_pad_info2 = {
 131        .scl = {
 132                .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
 133                .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
 134                .gp = IMX_GPIO_NR(4, 12)
 135        },
 136        .sda = {
 137                .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
 138                .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
 139                .gp = IMX_GPIO_NR(4, 13)
 140        }
 141};
 142
 143static struct i2c_pads_info i2c_pad_info3 = {
 144        .scl = {
 145                .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD,
 146                .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD,
 147                .gp = IMX_GPIO_NR(1, 3)
 148        },
 149        .sda = {
 150                .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD,
 151                .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD,
 152                .gp = IMX_GPIO_NR(1, 6)
 153        }
 154};
 155
 156static iomux_v3_cfg_t const pcie_pads[] = {
 157        MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL),
 158        MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),
 159};
 160
 161static void setup_pcie(void)
 162{
 163        imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
 164}
 165
 166static void setup_iomux_uart(void)
 167{
 168        imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
 169        imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
 170}
 171
 172static int mx6_rgmii_rework(struct phy_device *phydev)
 173{
 174        /* Configure AR8033 to ouput a 125MHz clk from CLK_25M */
 175        /* set device address 0x7 */
 176        phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
 177        /* offset 0x8016: CLK_25M Clock Select */
 178        phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
 179        /* enable register write, no post increment, address 0x7 */
 180        phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
 181        /* set to 125 MHz from local PLL source */
 182        phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x18);
 183
 184        /* rgmii tx clock delay enable */
 185        /* set debug port address: SerDes Test and System Mode Control */
 186        phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
 187        /* enable rgmii tx clock delay */
 188        /* set the reserved bits to avoid board specific voltage peak issue*/
 189        phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3D47);
 190
 191        return 0;
 192}
 193
 194int board_phy_config(struct phy_device *phydev)
 195{
 196        mx6_rgmii_rework(phydev);
 197
 198        if (phydev->drv->config)
 199                phydev->drv->config(phydev);
 200
 201        return 0;
 202}
 203
 204#if defined(CONFIG_VIDEO_IPUV3)
 205static iomux_v3_cfg_t const backlight_pads[] = {
 206        /* Power for LVDS Display */
 207        MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
 208#define LVDS_POWER_GP IMX_GPIO_NR(3, 22)
 209        /* Backlight enable for LVDS display */
 210        MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL),
 211#define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 0)
 212        /* backlight PWM brightness control */
 213        MX6_PAD_SD1_DAT3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL),
 214};
 215
 216static void do_enable_hdmi(struct display_info_t const *dev)
 217{
 218        imx_enable_hdmi_phy();
 219}
 220
 221int board_cfb_skip(void)
 222{
 223        gpio_direction_output(LVDS_POWER_GP, 1);
 224
 225        return 0;
 226}
 227
 228static int is_b850v3(void)
 229{
 230        return confidx == 3;
 231}
 232
 233static int detect_lcd(struct display_info_t const *dev)
 234{
 235        return !is_b850v3();
 236}
 237
 238struct display_info_t const displays[] = {{
 239        .bus    = -1,
 240        .addr   = -1,
 241        .pixfmt = IPU_PIX_FMT_RGB24,
 242        .detect = detect_lcd,
 243        .enable = NULL,
 244        .mode   = {
 245                .name           = "G121X1-L03",
 246                .refresh        = 60,
 247                .xres           = 1024,
 248                .yres           = 768,
 249                .pixclock       = 15385,
 250                .left_margin    = 20,
 251                .right_margin   = 300,
 252                .upper_margin   = 30,
 253                .lower_margin   = 8,
 254                .hsync_len      = 1,
 255                .vsync_len      = 1,
 256                .sync           = FB_SYNC_EXT,
 257                .vmode          = FB_VMODE_NONINTERLACED
 258} }, {
 259        .bus    = -1,
 260        .addr   = 3,
 261        .pixfmt = IPU_PIX_FMT_RGB24,
 262        .detect = detect_hdmi,
 263        .enable = do_enable_hdmi,
 264        .mode   = {
 265                .name           = "HDMI",
 266                .refresh        = 60,
 267                .xres           = 1024,
 268                .yres           = 768,
 269                .pixclock       = 15385,
 270                .left_margin    = 220,
 271                .right_margin   = 40,
 272                .upper_margin   = 21,
 273                .lower_margin   = 7,
 274                .hsync_len      = 60,
 275                .vsync_len      = 10,
 276                .sync           = FB_SYNC_EXT,
 277                .vmode          = FB_VMODE_NONINTERLACED
 278} } };
 279size_t display_count = ARRAY_SIZE(displays);
 280
 281static void enable_videopll(void)
 282{
 283        struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 284        s32 timeout = 100000;
 285
 286        setbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
 287
 288        /* PLL_VIDEO  455MHz (24MHz * (37+11/12) / 2)
 289         *   |
 290         * PLL5
 291         *   |
 292         * CS2CDR[LDB_DI0_CLK_SEL]
 293         *   |
 294         *   +----> LDB_DI0_SERIAL_CLK_ROOT
 295         *   |
 296         *   +--> CSCMR2[LDB_DI0_IPU_DIV] --> LDB_DI0_IPU  455 / 7 = 65 MHz
 297         */
 298
 299        clrsetbits_le32(&ccm->analog_pll_video,
 300                        BM_ANADIG_PLL_VIDEO_DIV_SELECT |
 301                        BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT,
 302                        BF_ANADIG_PLL_VIDEO_DIV_SELECT(37) |
 303                        BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(1));
 304
 305        writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num);
 306        writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom);
 307
 308        clrbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
 309
 310        while (timeout--)
 311                if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
 312                        break;
 313
 314        if (timeout < 0)
 315                printf("Warning: video pll lock timeout!\n");
 316
 317        clrsetbits_le32(&ccm->analog_pll_video,
 318                        BM_ANADIG_PLL_VIDEO_BYPASS,
 319                        BM_ANADIG_PLL_VIDEO_ENABLE);
 320}
 321
 322static void setup_display_b850v3(void)
 323{
 324        struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 325        struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 326
 327        enable_videopll();
 328
 329        /* IPU1 DI0 clock is 455MHz / 7 = 65MHz */
 330        setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
 331
 332        imx_setup_hdmi();
 333
 334        /* Set LDB_DI0 as clock source for IPU_DI0 */
 335        clrsetbits_le32(&mxc_ccm->chsccdr,
 336                        MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
 337                        (CHSCCDR_CLK_SEL_LDB_DI0 <<
 338                         MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
 339
 340        /* Turn on IPU LDB DI0 clocks */
 341        setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
 342
 343        enable_ipu_clock();
 344
 345        writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
 346               IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW |
 347               IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
 348               IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
 349               IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT |
 350               IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
 351               IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
 352               IOMUXC_GPR2_SPLIT_MODE_EN_MASK |
 353               IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0 |
 354               IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0,
 355               &iomux->gpr[2]);
 356
 357        clrbits_le32(&iomux->gpr[3],
 358                     IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
 359                     IOMUXC_GPR3_LVDS1_MUX_CTL_MASK |
 360                     IOMUXC_GPR3_HDMI_MUX_CTL_MASK);
 361}
 362
 363static void setup_display_bx50v3(void)
 364{
 365        struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 366        struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 367
 368        enable_videopll();
 369
 370        /* When a reset/reboot is performed the display power needs to be turned
 371         * off for atleast 500ms. The boot time is ~300ms, we need to wait for
 372         * an additional 200ms here. Unfortunately we use external PMIC for
 373         * doing the reset, so can not differentiate between POR vs soft reset
 374         */
 375        mdelay(200);
 376
 377        /* IPU1 DI0 clock is 455MHz / 7 = 65MHz */
 378        setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
 379
 380        /* Set LDB_DI0 as clock source for IPU_DI0 */
 381        clrsetbits_le32(&mxc_ccm->chsccdr,
 382                        MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
 383                        (CHSCCDR_CLK_SEL_LDB_DI0 <<
 384                        MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
 385
 386        /* Turn on IPU LDB DI0 clocks */
 387        setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
 388
 389        enable_ipu_clock();
 390
 391        writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
 392               IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
 393               IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
 394               IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
 395               IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
 396               &iomux->gpr[2]);
 397
 398        clrsetbits_le32(&iomux->gpr[3],
 399                        IOMUXC_GPR3_LVDS0_MUX_CTL_MASK,
 400                       (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
 401                        IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET));
 402
 403        /* backlights off until needed */
 404        imx_iomux_v3_setup_multiple_pads(backlight_pads,
 405                                         ARRAY_SIZE(backlight_pads));
 406        gpio_request(LVDS_POWER_GP, "lvds_power");
 407        gpio_direction_input(LVDS_POWER_GP);
 408}
 409#endif /* CONFIG_VIDEO_IPUV3 */
 410
 411/*
 412 * Do not overwrite the console
 413 * Use always serial for U-Boot console
 414 */
 415int overwrite_console(void)
 416{
 417        return 1;
 418}
 419
 420#define VPD_TYPE_INVALID 0x00
 421#define VPD_BLOCK_NETWORK 0x20
 422#define VPD_BLOCK_HWID 0x44
 423#define VPD_PRODUCT_B850 1
 424#define VPD_PRODUCT_B650 2
 425#define VPD_PRODUCT_B450 3
 426#define VPD_HAS_MAC1 0x1
 427#define VPD_HAS_MAC2 0x2
 428#define VPD_MAC_ADDRESS_LENGTH 6
 429
 430struct vpd_cache {
 431        bool is_read;
 432        u8 product_id;
 433        u8 has;
 434        unsigned char mac1[VPD_MAC_ADDRESS_LENGTH];
 435        unsigned char mac2[VPD_MAC_ADDRESS_LENGTH];
 436};
 437
 438/*
 439 * Extracts MAC and product information from the VPD.
 440 */
 441static int vpd_callback(struct vpd_cache *vpd, u8 id, u8 version, u8 type,
 442                        size_t size, u8 const *data)
 443{
 444        if (id == VPD_BLOCK_HWID && version == 1 && type != VPD_TYPE_INVALID &&
 445            size >= 1) {
 446                vpd->product_id = data[0];
 447        } else if (id == VPD_BLOCK_NETWORK && version == 1 &&
 448                   type != VPD_TYPE_INVALID) {
 449                if (size >= 6) {
 450                        vpd->has |= VPD_HAS_MAC1;
 451                        memcpy(vpd->mac1, data, VPD_MAC_ADDRESS_LENGTH);
 452                }
 453                if (size >= 12) {
 454                        vpd->has |= VPD_HAS_MAC2;
 455                        memcpy(vpd->mac2, data + 6, VPD_MAC_ADDRESS_LENGTH);
 456                }
 457        }
 458
 459        return 0;
 460}
 461
 462static void process_vpd(struct vpd_cache *vpd)
 463{
 464        int fec_index = -1;
 465        int i210_index = -1;
 466
 467        if (!vpd->is_read) {
 468                printf("VPD wasn't read");
 469                return;
 470        }
 471
 472        switch (vpd->product_id) {
 473        case VPD_PRODUCT_B450:
 474                env_set("confidx", "1");
 475                i210_index = 0;
 476                fec_index = 1;
 477                break;
 478        case VPD_PRODUCT_B650:
 479                env_set("confidx", "2");
 480                i210_index = 0;
 481                fec_index = 1;
 482                break;
 483        case VPD_PRODUCT_B850:
 484                env_set("confidx", "3");
 485                i210_index = 1;
 486                fec_index = 2;
 487                break;
 488        }
 489
 490        if (fec_index >= 0 && (vpd->has & VPD_HAS_MAC1))
 491                eth_env_set_enetaddr_by_index("eth", fec_index, vpd->mac1);
 492
 493        if (i210_index >= 0 && (vpd->has & VPD_HAS_MAC2))
 494                eth_env_set_enetaddr_by_index("eth", i210_index, vpd->mac2);
 495}
 496
 497int board_eth_init(bd_t *bis)
 498{
 499        setup_iomux_enet();
 500        setup_pcie();
 501
 502        e1000_initialize(bis);
 503
 504        return cpu_eth_init(bis);
 505}
 506
 507static iomux_v3_cfg_t const misc_pads[] = {
 508        MX6_PAD_KEY_ROW2__GPIO4_IO11    | MUX_PAD_CTRL(NO_PAD_CTRL),
 509        MX6_PAD_EIM_A25__GPIO5_IO02     | MUX_PAD_CTRL(NC_PAD_CTRL),
 510        MX6_PAD_EIM_CS0__GPIO2_IO23     | MUX_PAD_CTRL(NC_PAD_CTRL),
 511        MX6_PAD_EIM_CS1__GPIO2_IO24     | MUX_PAD_CTRL(NC_PAD_CTRL),
 512        MX6_PAD_EIM_OE__GPIO2_IO25      | MUX_PAD_CTRL(NC_PAD_CTRL),
 513        MX6_PAD_EIM_BCLK__GPIO6_IO31    | MUX_PAD_CTRL(NC_PAD_CTRL),
 514        MX6_PAD_GPIO_1__GPIO1_IO01      | MUX_PAD_CTRL(NC_PAD_CTRL),
 515        MX6_PAD_GPIO_9__WDOG1_B         | MUX_PAD_CTRL(NC_PAD_CTRL),
 516};
 517#define SUS_S3_OUT      IMX_GPIO_NR(4, 11)
 518#define WIFI_EN IMX_GPIO_NR(6, 14)
 519
 520int board_early_init_f(void)
 521{
 522        imx_iomux_v3_setup_multiple_pads(misc_pads,
 523                                         ARRAY_SIZE(misc_pads));
 524
 525        setup_iomux_uart();
 526
 527#if defined(CONFIG_VIDEO_IPUV3)
 528        /* Set LDB clock to Video PLL */
 529        select_ldb_di_clock_source(MXC_PLL5_CLK);
 530#endif
 531        return 0;
 532}
 533
 534static void set_confidx(const struct vpd_cache* vpd)
 535{
 536        switch (vpd->product_id) {
 537        case VPD_PRODUCT_B450:
 538                confidx = 1;
 539                break;
 540        case VPD_PRODUCT_B650:
 541                confidx = 2;
 542                break;
 543        case VPD_PRODUCT_B850:
 544                confidx = 3;
 545                break;
 546        }
 547}
 548
 549int board_init(void)
 550{
 551        setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
 552        setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
 553        setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
 554
 555        if (!read_vpd(&vpd, vpd_callback)) {
 556                vpd.is_read = true;
 557                set_confidx(&vpd);
 558        }
 559
 560        gpio_request(SUS_S3_OUT, "sus_s3_out");
 561        gpio_direction_output(SUS_S3_OUT, 1);
 562
 563        gpio_request(WIFI_EN, "wifi_en");
 564        gpio_direction_output(WIFI_EN, 1);
 565
 566#if defined(CONFIG_VIDEO_IPUV3)
 567        if (is_b850v3())
 568                setup_display_b850v3();
 569        else
 570                setup_display_bx50v3();
 571
 572        gpio_request(LVDS_BACKLIGHT_GP, "lvds_backlight");
 573        gpio_direction_input(LVDS_BACKLIGHT_GP);
 574#endif
 575
 576        /* address of boot parameters */
 577        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 578
 579        return 0;
 580}
 581
 582#ifdef CONFIG_CMD_BMODE
 583static const struct boot_mode board_boot_modes[] = {
 584        /* 4 bit bus width */
 585        {"sd2",  MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
 586        {"sd3",  MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
 587        {NULL,   0},
 588};
 589#endif
 590
 591void pmic_init(void)
 592{
 593#define I2C_PMIC                0x2
 594#define DA9063_I2C_ADDR         0x58
 595#define DA9063_REG_BCORE2_CFG   0x9D
 596#define DA9063_REG_BCORE1_CFG   0x9E
 597#define DA9063_REG_BPRO_CFG     0x9F
 598#define DA9063_REG_BIO_CFG      0xA0
 599#define DA9063_REG_BMEM_CFG     0xA1
 600#define DA9063_REG_BPERI_CFG    0xA2
 601#define DA9063_BUCK_MODE_MASK   0xC0
 602#define DA9063_BUCK_MODE_MANUAL 0x00
 603#define DA9063_BUCK_MODE_SLEEP  0x40
 604#define DA9063_BUCK_MODE_SYNC   0x80
 605#define DA9063_BUCK_MODE_AUTO   0xC0
 606
 607        uchar val;
 608
 609        i2c_set_bus_num(I2C_PMIC);
 610
 611        i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
 612        val &= ~DA9063_BUCK_MODE_MASK;
 613        val |= DA9063_BUCK_MODE_SYNC;
 614        i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
 615
 616        i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
 617        val &= ~DA9063_BUCK_MODE_MASK;
 618        val |= DA9063_BUCK_MODE_SYNC;
 619        i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
 620
 621        i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
 622        val &= ~DA9063_BUCK_MODE_MASK;
 623        val |= DA9063_BUCK_MODE_SYNC;
 624        i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
 625
 626        i2c_read(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
 627        val &= ~DA9063_BUCK_MODE_MASK;
 628        val |= DA9063_BUCK_MODE_SYNC;
 629        i2c_write(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
 630
 631        i2c_read(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
 632        val &= ~DA9063_BUCK_MODE_MASK;
 633        val |= DA9063_BUCK_MODE_SYNC;
 634        i2c_write(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
 635
 636        i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
 637        val &= ~DA9063_BUCK_MODE_MASK;
 638        val |= DA9063_BUCK_MODE_SYNC;
 639        i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
 640}
 641
 642int board_late_init(void)
 643{
 644        process_vpd(&vpd);
 645
 646#ifdef CONFIG_CMD_BMODE
 647        add_board_boot_modes(board_boot_modes);
 648#endif
 649
 650        if (is_b850v3())
 651                env_set("videoargs", "video=DP-1:1024x768@60 video=HDMI-A-1:1024x768@60");
 652        else
 653                env_set("videoargs", "video=LVDS-1:1024x768@65");
 654
 655        /* board specific pmic init */
 656        pmic_init();
 657
 658        check_time();
 659
 660        return 0;
 661}
 662
 663/*
 664 * Removes the 'eth[0-9]*addr' environment variable with the given index
 665 *
 666 * @param index [in] the index of the eth_device whose variable is to be removed
 667 */
 668static void remove_ethaddr_env_var(int index)
 669{
 670        char env_var_name[9];
 671
 672        sprintf(env_var_name, index == 0 ? "ethaddr" : "eth%daddr", index);
 673        env_set(env_var_name, NULL);
 674}
 675
 676int last_stage_init(void)
 677{
 678        int i;
 679
 680        /*
 681         * Remove first three ethaddr which may have been created by
 682         * function process_vpd().
 683         */
 684        for (i = 0; i < 3; ++i)
 685                remove_ethaddr_env_var(i);
 686
 687        return 0;
 688}
 689
 690int checkboard(void)
 691{
 692        printf("BOARD: %s\n", CONFIG_BOARD_NAME);
 693        return 0;
 694}
 695
 696#ifdef CONFIG_OF_BOARD_SETUP
 697int ft_board_setup(void *blob, bd_t *bd)
 698{
 699        fdt_setprop(blob, 0, "ge,boot-ver", version_string,
 700                                            strlen(version_string) + 1);
 701        return 0;
 702}
 703#endif
 704
 705static int do_backlight_enable(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 706{
 707#ifdef CONFIG_VIDEO_IPUV3
 708        /* We need at least 200ms between power on and backlight on
 709         * as per specifications from CHI MEI */
 710        mdelay(250);
 711
 712        /* enable backlight PWM 1 */
 713        pwm_init(0, 0, 0);
 714
 715        /* duty cycle 5000000ns, period: 5000000ns */
 716        pwm_config(0, 5000000, 5000000);
 717
 718        /* Backlight Power */
 719        gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
 720
 721        pwm_enable(0);
 722#endif
 723
 724        return 0;
 725}
 726
 727U_BOOT_CMD(
 728       bx50_backlight_enable, 1,      1,      do_backlight_enable,
 729       "enable Bx50 backlight",
 730       ""
 731);
 732