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 <asm/arch/clock.h>
   9#include <asm/arch/imx-regs.h>
  10#include <asm/arch/iomux.h>
  11#include <asm/arch/mx6-pins.h>
  12#include <linux/errno.h>
  13#include <asm/gpio.h>
  14#include <asm/mach-imx/mxc_i2c.h>
  15#include <asm/mach-imx/iomux-v3.h>
  16#include <asm/mach-imx/boot_mode.h>
  17#include <asm/mach-imx/video.h>
  18#include <mmc.h>
  19#include <fsl_esdhc.h>
  20#include <miiphy.h>
  21#include <net.h>
  22#include <netdev.h>
  23#include <asm/arch/mxc_hdmi.h>
  24#include <asm/arch/crm_regs.h>
  25#include <asm/io.h>
  26#include <asm/arch/sys_proto.h>
  27#include <i2c.h>
  28#include <input.h>
  29#include <pwm.h>
  30#include <stdlib.h>
  31#include "../common/ge_common.h"
  32#include "../common/vpd_reader.h"
  33#include "../../../drivers/net/e1000.h"
  34DECLARE_GLOBAL_DATA_PTR;
  35
  36static int confidx = 3;  /* Default to b850v3. */
  37static struct vpd_cache vpd;
  38
  39#define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP |      \
  40        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
  41        PAD_CTL_HYS)
  42
  43#define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                   \
  44        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |                 \
  45        PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
  46
  47#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |                    \
  48        PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |                 \
  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 SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
  61                      PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
  62
  63#define I2C_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                    \
  64        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |   \
  65        PAD_CTL_ODE | PAD_CTL_SRE_FAST)
  66
  67#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
  68
  69int dram_init(void)
  70{
  71        gd->ram_size = imx_ddr_size();
  72
  73        return 0;
  74}
  75
  76static iomux_v3_cfg_t const uart3_pads[] = {
  77        MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
  78        MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
  79        MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  80        MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  81};
  82
  83static iomux_v3_cfg_t const uart4_pads[] = {
  84        MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  85        MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  86};
  87
  88static iomux_v3_cfg_t const enet_pads[] = {
  89        MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
  90        MX6_PAD_ENET_MDC__ENET_MDC   | MUX_PAD_CTRL(ENET_PAD_CTRL),
  91        MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
  92        MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  93        MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  94        MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  95        MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  96        MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
  97        MX6_PAD_ENET_REF_CLK__ENET_TX_CLK  | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
  98        MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
  99        MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 100        MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 101        MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 102        MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 103        MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 104        /* AR8033 PHY Reset */
 105        MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
 106};
 107
 108static void setup_iomux_enet(void)
 109{
 110        imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
 111
 112        /* Reset AR8033 PHY */
 113        gpio_direction_output(IMX_GPIO_NR(1, 28), 0);
 114        mdelay(10);
 115        gpio_set_value(IMX_GPIO_NR(1, 28), 1);
 116        mdelay(1);
 117}
 118
 119static iomux_v3_cfg_t const usdhc2_pads[] = {
 120        MX6_PAD_SD2_CLK__SD2_CLK        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 121        MX6_PAD_SD2_CMD__SD2_CMD        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 122        MX6_PAD_SD2_DAT0__SD2_DATA0     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 123        MX6_PAD_SD2_DAT1__SD2_DATA1     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 124        MX6_PAD_SD2_DAT2__SD2_DATA2     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 125        MX6_PAD_SD2_DAT3__SD2_DATA3     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 126        MX6_PAD_GPIO_4__GPIO1_IO04      | MUX_PAD_CTRL(NO_PAD_CTRL),
 127};
 128
 129static iomux_v3_cfg_t const usdhc3_pads[] = {
 130        MX6_PAD_SD3_CLK__SD3_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 131        MX6_PAD_SD3_CMD__SD3_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 132        MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 133        MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 134        MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 135        MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 136        MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 137        MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 138        MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 139        MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 140        MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 141};
 142
 143static iomux_v3_cfg_t const usdhc4_pads[] = {
 144        MX6_PAD_SD4_CLK__SD4_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 145        MX6_PAD_SD4_CMD__SD4_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 146        MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 147        MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 148        MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 149        MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 150        MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 151        MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 152        MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 153        MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 154        MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
 155        MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
 156};
 157
 158static iomux_v3_cfg_t const ecspi1_pads[] = {
 159        MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
 160        MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
 161        MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
 162        MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL),
 163};
 164
 165static struct i2c_pads_info i2c_pad_info1 = {
 166        .scl = {
 167                .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD,
 168                .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD,
 169                .gp = IMX_GPIO_NR(5, 27)
 170        },
 171        .sda = {
 172                .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD,
 173                .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD,
 174                .gp = IMX_GPIO_NR(5, 26)
 175        }
 176};
 177
 178static struct i2c_pads_info i2c_pad_info2 = {
 179        .scl = {
 180                .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
 181                .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
 182                .gp = IMX_GPIO_NR(4, 12)
 183        },
 184        .sda = {
 185                .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
 186                .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
 187                .gp = IMX_GPIO_NR(4, 13)
 188        }
 189};
 190
 191static struct i2c_pads_info i2c_pad_info3 = {
 192        .scl = {
 193                .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD,
 194                .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD,
 195                .gp = IMX_GPIO_NR(1, 3)
 196        },
 197        .sda = {
 198                .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD,
 199                .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD,
 200                .gp = IMX_GPIO_NR(1, 6)
 201        }
 202};
 203
 204#ifdef CONFIG_MXC_SPI
 205int board_spi_cs_gpio(unsigned bus, unsigned cs)
 206{
 207        return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(2, 30)) : -1;
 208}
 209
 210static void setup_spi(void)
 211{
 212        imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
 213}
 214#endif
 215
 216static iomux_v3_cfg_t const pcie_pads[] = {
 217        MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL),
 218        MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),
 219};
 220
 221static void setup_pcie(void)
 222{
 223        imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
 224}
 225
 226static void setup_iomux_uart(void)
 227{
 228        imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
 229        imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
 230}
 231
 232#ifdef CONFIG_FSL_ESDHC
 233struct fsl_esdhc_cfg usdhc_cfg[3] = {
 234        {USDHC2_BASE_ADDR},
 235        {USDHC3_BASE_ADDR},
 236        {USDHC4_BASE_ADDR},
 237};
 238
 239#define USDHC2_CD_GPIO  IMX_GPIO_NR(1, 4)
 240#define USDHC4_CD_GPIO  IMX_GPIO_NR(6, 11)
 241
 242int board_mmc_getcd(struct mmc *mmc)
 243{
 244        struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 245        int ret = 0;
 246
 247        switch (cfg->esdhc_base) {
 248        case USDHC2_BASE_ADDR:
 249                ret = !gpio_get_value(USDHC2_CD_GPIO);
 250                break;
 251        case USDHC3_BASE_ADDR:
 252                ret = 1; /* eMMC is always present */
 253                break;
 254        case USDHC4_BASE_ADDR:
 255                ret = !gpio_get_value(USDHC4_CD_GPIO);
 256                break;
 257        }
 258
 259        return ret;
 260}
 261
 262int board_mmc_init(bd_t *bis)
 263{
 264        int ret;
 265        int i;
 266
 267        for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
 268                switch (i) {
 269                case 0:
 270                        imx_iomux_v3_setup_multiple_pads(
 271                                usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
 272                        gpio_direction_input(USDHC2_CD_GPIO);
 273                        usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
 274                        break;
 275                case 1:
 276                        imx_iomux_v3_setup_multiple_pads(
 277                                usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
 278                        usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 279                        break;
 280                case 2:
 281                        imx_iomux_v3_setup_multiple_pads(
 282                                usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
 283                        gpio_direction_input(USDHC4_CD_GPIO);
 284                        usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
 285                        break;
 286                default:
 287                        printf("Warning: you configured more USDHC controllers\n"
 288                               "(%d) then supported by the board (%d)\n",
 289                               i + 1, CONFIG_SYS_FSL_USDHC_NUM);
 290                        return -EINVAL;
 291                }
 292
 293                ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
 294                if (ret)
 295                        return ret;
 296        }
 297
 298        return 0;
 299}
 300#endif
 301
 302static int mx6_rgmii_rework(struct phy_device *phydev)
 303{
 304        /* Configure AR8033 to ouput a 125MHz clk from CLK_25M */
 305        /* set device address 0x7 */
 306        phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
 307        /* offset 0x8016: CLK_25M Clock Select */
 308        phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
 309        /* enable register write, no post increment, address 0x7 */
 310        phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
 311        /* set to 125 MHz from local PLL source */
 312        phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x18);
 313
 314        /* rgmii tx clock delay enable */
 315        /* set debug port address: SerDes Test and System Mode Control */
 316        phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
 317        /* enable rgmii tx clock delay */
 318        /* set the reserved bits to avoid board specific voltage peak issue*/
 319        phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3D47);
 320
 321        return 0;
 322}
 323
 324int board_phy_config(struct phy_device *phydev)
 325{
 326        mx6_rgmii_rework(phydev);
 327
 328        if (phydev->drv->config)
 329                phydev->drv->config(phydev);
 330
 331        return 0;
 332}
 333
 334#if defined(CONFIG_VIDEO_IPUV3)
 335static iomux_v3_cfg_t const backlight_pads[] = {
 336        /* Power for LVDS Display */
 337        MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
 338#define LVDS_POWER_GP IMX_GPIO_NR(3, 22)
 339        /* Backlight enable for LVDS display */
 340        MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL),
 341#define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 0)
 342        /* backlight PWM brightness control */
 343        MX6_PAD_SD1_DAT3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL),
 344};
 345
 346static void do_enable_hdmi(struct display_info_t const *dev)
 347{
 348        imx_enable_hdmi_phy();
 349}
 350
 351int board_cfb_skip(void)
 352{
 353        gpio_direction_output(LVDS_POWER_GP, 1);
 354
 355        return 0;
 356}
 357
 358static int is_b850v3(void)
 359{
 360        return confidx == 3;
 361}
 362
 363static int detect_lcd(struct display_info_t const *dev)
 364{
 365        return !is_b850v3();
 366}
 367
 368struct display_info_t const displays[] = {{
 369        .bus    = -1,
 370        .addr   = -1,
 371        .pixfmt = IPU_PIX_FMT_RGB24,
 372        .detect = detect_lcd,
 373        .enable = NULL,
 374        .mode   = {
 375                .name           = "G121X1-L03",
 376                .refresh        = 60,
 377                .xres           = 1024,
 378                .yres           = 768,
 379                .pixclock       = 15385,
 380                .left_margin    = 20,
 381                .right_margin   = 300,
 382                .upper_margin   = 30,
 383                .lower_margin   = 8,
 384                .hsync_len      = 1,
 385                .vsync_len      = 1,
 386                .sync           = FB_SYNC_EXT,
 387                .vmode          = FB_VMODE_NONINTERLACED
 388} }, {
 389        .bus    = -1,
 390        .addr   = 3,
 391        .pixfmt = IPU_PIX_FMT_RGB24,
 392        .detect = detect_hdmi,
 393        .enable = do_enable_hdmi,
 394        .mode   = {
 395                .name           = "HDMI",
 396                .refresh        = 60,
 397                .xres           = 1024,
 398                .yres           = 768,
 399                .pixclock       = 15385,
 400                .left_margin    = 220,
 401                .right_margin   = 40,
 402                .upper_margin   = 21,
 403                .lower_margin   = 7,
 404                .hsync_len      = 60,
 405                .vsync_len      = 10,
 406                .sync           = FB_SYNC_EXT,
 407                .vmode          = FB_VMODE_NONINTERLACED
 408} } };
 409size_t display_count = ARRAY_SIZE(displays);
 410
 411static void enable_videopll(void)
 412{
 413        struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 414        s32 timeout = 100000;
 415
 416        setbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
 417
 418        /* PLL_VIDEO  455MHz (24MHz * (37+11/12) / 2)
 419         *   |
 420         * PLL5
 421         *   |
 422         * CS2CDR[LDB_DI0_CLK_SEL]
 423         *   |
 424         *   +----> LDB_DI0_SERIAL_CLK_ROOT
 425         *   |
 426         *   +--> CSCMR2[LDB_DI0_IPU_DIV] --> LDB_DI0_IPU  455 / 7 = 65 MHz
 427         */
 428
 429        clrsetbits_le32(&ccm->analog_pll_video,
 430                        BM_ANADIG_PLL_VIDEO_DIV_SELECT |
 431                        BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT,
 432                        BF_ANADIG_PLL_VIDEO_DIV_SELECT(37) |
 433                        BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(1));
 434
 435        writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num);
 436        writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom);
 437
 438        clrbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
 439
 440        while (timeout--)
 441                if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
 442                        break;
 443
 444        if (timeout < 0)
 445                printf("Warning: video pll lock timeout!\n");
 446
 447        clrsetbits_le32(&ccm->analog_pll_video,
 448                        BM_ANADIG_PLL_VIDEO_BYPASS,
 449                        BM_ANADIG_PLL_VIDEO_ENABLE);
 450}
 451
 452static void setup_display_b850v3(void)
 453{
 454        struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 455        struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 456
 457        enable_videopll();
 458
 459        /* IPU1 DI0 clock is 455MHz / 7 = 65MHz */
 460        setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
 461
 462        imx_setup_hdmi();
 463
 464        /* Set LDB_DI0 as clock source for IPU_DI0 */
 465        clrsetbits_le32(&mxc_ccm->chsccdr,
 466                        MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
 467                        (CHSCCDR_CLK_SEL_LDB_DI0 <<
 468                         MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
 469
 470        /* Turn on IPU LDB DI0 clocks */
 471        setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
 472
 473        enable_ipu_clock();
 474
 475        writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
 476               IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW |
 477               IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
 478               IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
 479               IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT |
 480               IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
 481               IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
 482               IOMUXC_GPR2_SPLIT_MODE_EN_MASK |
 483               IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0 |
 484               IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0,
 485               &iomux->gpr[2]);
 486
 487        clrbits_le32(&iomux->gpr[3],
 488                     IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
 489                     IOMUXC_GPR3_LVDS1_MUX_CTL_MASK |
 490                     IOMUXC_GPR3_HDMI_MUX_CTL_MASK);
 491}
 492
 493static void setup_display_bx50v3(void)
 494{
 495        struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 496        struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 497
 498        enable_videopll();
 499
 500        /* When a reset/reboot is performed the display power needs to be turned
 501         * off for atleast 500ms. The boot time is ~300ms, we need to wait for
 502         * an additional 200ms here. Unfortunately we use external PMIC for
 503         * doing the reset, so can not differentiate between POR vs soft reset
 504         */
 505        mdelay(200);
 506
 507        /* IPU1 DI0 clock is 455MHz / 7 = 65MHz */
 508        setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
 509
 510        /* Set LDB_DI0 as clock source for IPU_DI0 */
 511        clrsetbits_le32(&mxc_ccm->chsccdr,
 512                        MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
 513                        (CHSCCDR_CLK_SEL_LDB_DI0 <<
 514                        MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
 515
 516        /* Turn on IPU LDB DI0 clocks */
 517        setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
 518
 519        enable_ipu_clock();
 520
 521        writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
 522               IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
 523               IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
 524               IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
 525               IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
 526               &iomux->gpr[2]);
 527
 528        clrsetbits_le32(&iomux->gpr[3],
 529                        IOMUXC_GPR3_LVDS0_MUX_CTL_MASK,
 530                       (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
 531                        IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET));
 532
 533        /* backlights off until needed */
 534        imx_iomux_v3_setup_multiple_pads(backlight_pads,
 535                                         ARRAY_SIZE(backlight_pads));
 536        gpio_direction_input(LVDS_POWER_GP);
 537        gpio_direction_input(LVDS_BACKLIGHT_GP);
 538}
 539#endif /* CONFIG_VIDEO_IPUV3 */
 540
 541/*
 542 * Do not overwrite the console
 543 * Use always serial for U-Boot console
 544 */
 545int overwrite_console(void)
 546{
 547        return 1;
 548}
 549
 550#define VPD_TYPE_INVALID 0x00
 551#define VPD_BLOCK_NETWORK 0x20
 552#define VPD_BLOCK_HWID 0x44
 553#define VPD_PRODUCT_B850 1
 554#define VPD_PRODUCT_B650 2
 555#define VPD_PRODUCT_B450 3
 556#define VPD_HAS_MAC1 0x1
 557#define VPD_HAS_MAC2 0x2
 558#define VPD_MAC_ADDRESS_LENGTH 6
 559
 560struct vpd_cache {
 561        bool is_read;
 562        u8 product_id;
 563        u8 has;
 564        unsigned char mac1[VPD_MAC_ADDRESS_LENGTH];
 565        unsigned char mac2[VPD_MAC_ADDRESS_LENGTH];
 566};
 567
 568/*
 569 * Extracts MAC and product information from the VPD.
 570 */
 571static int vpd_callback(struct vpd_cache *vpd, u8 id, u8 version, u8 type,
 572                        size_t size, u8 const *data)
 573{
 574        if (id == VPD_BLOCK_HWID && version == 1 && type != VPD_TYPE_INVALID &&
 575            size >= 1) {
 576                vpd->product_id = data[0];
 577        } else if (id == VPD_BLOCK_NETWORK && version == 1 &&
 578                   type != VPD_TYPE_INVALID) {
 579                if (size >= 6) {
 580                        vpd->has |= VPD_HAS_MAC1;
 581                        memcpy(vpd->mac1, data, VPD_MAC_ADDRESS_LENGTH);
 582                }
 583                if (size >= 12) {
 584                        vpd->has |= VPD_HAS_MAC2;
 585                        memcpy(vpd->mac2, data + 6, VPD_MAC_ADDRESS_LENGTH);
 586                }
 587        }
 588
 589        return 0;
 590}
 591
 592static void process_vpd(struct vpd_cache *vpd)
 593{
 594        int fec_index = -1;
 595        int i210_index = -1;
 596
 597        if (!vpd->is_read) {
 598                printf("VPD wasn't read");
 599                return;
 600        }
 601
 602        switch (vpd->product_id) {
 603        case VPD_PRODUCT_B450:
 604                env_set("confidx", "1");
 605                i210_index = 0;
 606                fec_index = 1;
 607                break;
 608        case VPD_PRODUCT_B650:
 609                env_set("confidx", "2");
 610                i210_index = 0;
 611                fec_index = 1;
 612                break;
 613        case VPD_PRODUCT_B850:
 614                env_set("confidx", "3");
 615                i210_index = 1;
 616                fec_index = 2;
 617                break;
 618        }
 619
 620        if (fec_index >= 0 && (vpd->has & VPD_HAS_MAC1))
 621                eth_env_set_enetaddr_by_index("eth", fec_index, vpd->mac1);
 622
 623        if (i210_index >= 0 && (vpd->has & VPD_HAS_MAC2))
 624                eth_env_set_enetaddr_by_index("eth", i210_index, vpd->mac2);
 625}
 626
 627int board_eth_init(bd_t *bis)
 628{
 629        setup_iomux_enet();
 630        setup_pcie();
 631
 632        e1000_initialize(bis);
 633
 634        return cpu_eth_init(bis);
 635}
 636
 637static iomux_v3_cfg_t const misc_pads[] = {
 638        MX6_PAD_KEY_ROW2__GPIO4_IO11    | MUX_PAD_CTRL(NO_PAD_CTRL),
 639        MX6_PAD_EIM_A25__GPIO5_IO02     | MUX_PAD_CTRL(NC_PAD_CTRL),
 640        MX6_PAD_EIM_CS0__GPIO2_IO23     | MUX_PAD_CTRL(NC_PAD_CTRL),
 641        MX6_PAD_EIM_CS1__GPIO2_IO24     | MUX_PAD_CTRL(NC_PAD_CTRL),
 642        MX6_PAD_EIM_OE__GPIO2_IO25      | MUX_PAD_CTRL(NC_PAD_CTRL),
 643        MX6_PAD_EIM_BCLK__GPIO6_IO31    | MUX_PAD_CTRL(NC_PAD_CTRL),
 644        MX6_PAD_GPIO_1__GPIO1_IO01      | MUX_PAD_CTRL(NC_PAD_CTRL),
 645        MX6_PAD_GPIO_9__WDOG1_B         | MUX_PAD_CTRL(NC_PAD_CTRL),
 646};
 647#define SUS_S3_OUT      IMX_GPIO_NR(4, 11)
 648#define WIFI_EN IMX_GPIO_NR(6, 14)
 649
 650int board_early_init_f(void)
 651{
 652        imx_iomux_v3_setup_multiple_pads(misc_pads,
 653                                         ARRAY_SIZE(misc_pads));
 654
 655        setup_iomux_uart();
 656
 657#if defined(CONFIG_VIDEO_IPUV3)
 658        /* Set LDB clock to Video PLL */
 659        select_ldb_di_clock_source(MXC_PLL5_CLK);
 660#endif
 661        return 0;
 662}
 663
 664static void set_confidx(const struct vpd_cache* vpd)
 665{
 666        switch (vpd->product_id) {
 667        case VPD_PRODUCT_B450:
 668                confidx = 1;
 669                break;
 670        case VPD_PRODUCT_B650:
 671                confidx = 2;
 672                break;
 673        case VPD_PRODUCT_B850:
 674                confidx = 3;
 675                break;
 676        }
 677}
 678
 679int board_init(void)
 680{
 681        setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
 682        setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
 683        setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
 684
 685        if (!read_vpd(&vpd, vpd_callback)) {
 686                vpd.is_read = true;
 687                set_confidx(&vpd);
 688        }
 689
 690        gpio_direction_output(SUS_S3_OUT, 1);
 691        gpio_direction_output(WIFI_EN, 1);
 692#if defined(CONFIG_VIDEO_IPUV3)
 693        if (is_b850v3())
 694                setup_display_b850v3();
 695        else
 696                setup_display_bx50v3();
 697#endif
 698        /* address of boot parameters */
 699        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 700
 701#ifdef CONFIG_MXC_SPI
 702        setup_spi();
 703#endif
 704        return 0;
 705}
 706
 707#ifdef CONFIG_CMD_BMODE
 708static const struct boot_mode board_boot_modes[] = {
 709        /* 4 bit bus width */
 710        {"sd2",  MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
 711        {"sd3",  MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
 712        {NULL,   0},
 713};
 714#endif
 715
 716void pmic_init(void)
 717{
 718#define I2C_PMIC                0x2
 719#define DA9063_I2C_ADDR         0x58
 720#define DA9063_REG_BCORE2_CFG   0x9D
 721#define DA9063_REG_BCORE1_CFG   0x9E
 722#define DA9063_REG_BPRO_CFG     0x9F
 723#define DA9063_REG_BIO_CFG      0xA0
 724#define DA9063_REG_BMEM_CFG     0xA1
 725#define DA9063_REG_BPERI_CFG    0xA2
 726#define DA9063_BUCK_MODE_MASK   0xC0
 727#define DA9063_BUCK_MODE_MANUAL 0x00
 728#define DA9063_BUCK_MODE_SLEEP  0x40
 729#define DA9063_BUCK_MODE_SYNC   0x80
 730#define DA9063_BUCK_MODE_AUTO   0xC0
 731
 732        uchar val;
 733
 734        i2c_set_bus_num(I2C_PMIC);
 735
 736        i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
 737        val &= ~DA9063_BUCK_MODE_MASK;
 738        val |= DA9063_BUCK_MODE_SYNC;
 739        i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
 740
 741        i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
 742        val &= ~DA9063_BUCK_MODE_MASK;
 743        val |= DA9063_BUCK_MODE_SYNC;
 744        i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
 745
 746        i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
 747        val &= ~DA9063_BUCK_MODE_MASK;
 748        val |= DA9063_BUCK_MODE_SYNC;
 749        i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
 750
 751        i2c_read(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
 752        val &= ~DA9063_BUCK_MODE_MASK;
 753        val |= DA9063_BUCK_MODE_SYNC;
 754        i2c_write(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
 755
 756        i2c_read(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
 757        val &= ~DA9063_BUCK_MODE_MASK;
 758        val |= DA9063_BUCK_MODE_SYNC;
 759        i2c_write(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
 760
 761        i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
 762        val &= ~DA9063_BUCK_MODE_MASK;
 763        val |= DA9063_BUCK_MODE_SYNC;
 764        i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
 765}
 766
 767int board_late_init(void)
 768{
 769        process_vpd(&vpd);
 770
 771#ifdef CONFIG_CMD_BMODE
 772        add_board_boot_modes(board_boot_modes);
 773#endif
 774
 775        if (is_b850v3())
 776                env_set("videoargs", "video=DP-1:1024x768@60 video=HDMI-A-1:1024x768@60");
 777        else
 778                env_set("videoargs", "video=LVDS-1:1024x768@65");
 779
 780        /* board specific pmic init */
 781        pmic_init();
 782
 783        check_time();
 784
 785        return 0;
 786}
 787
 788/*
 789 * Removes the 'eth[0-9]*addr' environment variable with the given index
 790 *
 791 * @param index [in] the index of the eth_device whose variable is to be removed
 792 */
 793static void remove_ethaddr_env_var(int index)
 794{
 795        char env_var_name[9];
 796
 797        sprintf(env_var_name, index == 0 ? "ethaddr" : "eth%daddr", index);
 798        env_set(env_var_name, NULL);
 799}
 800
 801int last_stage_init(void)
 802{
 803        int i;
 804
 805        /*
 806         * Remove first three ethaddr which may have been created by
 807         * function process_vpd().
 808         */
 809        for (i = 0; i < 3; ++i)
 810                remove_ethaddr_env_var(i);
 811
 812        return 0;
 813}
 814
 815int checkboard(void)
 816{
 817        printf("BOARD: %s\n", CONFIG_BOARD_NAME);
 818        return 0;
 819}
 820
 821static int do_backlight_enable(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 822{
 823#ifdef CONFIG_VIDEO_IPUV3
 824        /* We need at least 200ms between power on and backlight on
 825         * as per specifications from CHI MEI */
 826        mdelay(250);
 827
 828        /* enable backlight PWM 1 */
 829        pwm_init(0, 0, 0);
 830
 831        /* duty cycle 5000000ns, period: 5000000ns */
 832        pwm_config(0, 5000000, 5000000);
 833
 834        /* Backlight Power */
 835        gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
 836
 837        pwm_enable(0);
 838#endif
 839
 840        return 0;
 841}
 842
 843U_BOOT_CMD(
 844       bx50_backlight_enable, 1,      1,      do_backlight_enable,
 845       "enable Bx50 backlight",
 846       ""
 847);
 848