Hi Eric,

On 02/04/2014 21:57, Eric Bénard wrote:
> RiOTboard is produced by Embest/Element 14 and is based on i.MX6 Solo
> The following features are tested :
> - UART2 (console)
> - eMMC
> - SDCard
> - uSDCard
> - Ethernet
> - USB Host (through 4 ports hub)
> - HDMI output
> - I2C 1/2/3
> - LVDS TFT with LCD8000-97C from Embest/Element 14
> 
> Boot on eMMC and through USB loader are tested.
> 
> For more informations on this board : http://www.riotboard.org/
> 
> MarSBoard is produced by Embest/Element 14 and is based on i.MX6 Dual
> The following features are tested :
> - UART2 (console)
> - eMMC
> - uSDCard
> - Ethernet
> - USB Host (through 2 ports hub)
> - HDMI output
> - I2C 1/2
> - SPI NOR Flash
> - LVDS TFT with LCD8000-97C from Embest/Element 14
> 
> Boot on SPI NOR and through USB loader are tested.
> 
> For more informations on this board :
> http://www.embest-tech.com/shop/star/marsboard.html
> 
> Both boards are supported by the same code base as they are based on a
> common trunk of schematics.
> 
> Signed-off-by: Eric Bénard <e...@eukrea.com>
> ---
>  board/embest/mx6boards/Makefile    |   9 +
>  board/embest/mx6boards/mx6boards.c | 607 
> +++++++++++++++++++++++++++++++++++++
>  boards.cfg                         |   2 +
>  include/configs/embestmx6boards.h  | 339 +++++++++++++++++++++
>  4 files changed, 957 insertions(+)
>  create mode 100644 board/embest/mx6boards/Makefile
>  create mode 100644 board/embest/mx6boards/mx6boards.c
>  create mode 100644 include/configs/embestmx6boards.h
> 
> diff --git a/board/embest/mx6boards/Makefile b/board/embest/mx6boards/Makefile
> new file mode 100644
> index 0000000..467fb50
> --- /dev/null
> +++ b/board/embest/mx6boards/Makefile
> @@ -0,0 +1,9 @@
> +#
> +# Copyright (C) 2007, Guennadi Liakhovetski <l...@denx.de>
> +#
> +# (C) Copyright 2011 Freescale Semiconductor, Inc.
> +#
> +# SPDX-License-Identifier:   GPL-2.0+
> +#
> +
> +obj-y  := mx6boards.o
> diff --git a/board/embest/mx6boards/mx6boards.c 
> b/board/embest/mx6boards/mx6boards.c
> new file mode 100644
> index 0000000..f65c4fa
> --- /dev/null
> +++ b/board/embest/mx6boards/mx6boards.c
> @@ -0,0 +1,607 @@
> +/*
> + * Copyright (C) 2014 Eukréa Electromatique
> + * Author: Eric Bénard <e...@eukrea.com>
> + *         Fabio Estevam <fabio.este...@freescale.com>
> + *         Jon Nettleton <jon.nettle...@gmail.com>
> + *
> + * based on sabresd.c which is :
> + * Copyright (C) 2012 Freescale Semiconductor, Inc.
> + * and on hummingboard.c which is :
> + * Copyright (C) 2013 SolidRun ltd.
> + * Copyright (C) 2013 Jon Nettleton <jon.nettle...@gmail.com>.
> + *
> + * SPDX-License-Identifier:  GPL-2.0+
> + */
> +
> +#include <asm/arch/clock.h>
> +#include <asm/arch/sys_proto.h>
> +#include <asm/arch/imx-regs.h>
> +#include <asm/arch/iomux.h>
> +#include <asm/arch/mx6-pins.h>
> +#include <asm/errno.h>
> +#include <asm/gpio.h>
> +#include <asm/imx-common/iomux-v3.h>
> +#include <asm/imx-common/boot_mode.h>
> +#include <asm/imx-common/mxc_i2c.h>
> +#include <asm/imx-common/video.h>
> +#include <i2c.h>
> +#include <mmc.h>
> +#include <fsl_esdhc.h>
> +#include <miiphy.h>
> +#include <netdev.h>
> +#include <asm/arch/mxc_hdmi.h>
> +#include <asm/arch/crm_regs.h>
> +#include <linux/fb.h>
> +#include <ipu_pixfmt.h>
> +#include <asm/io.h>
> +#include <asm/arch/sys_proto.h>
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +#define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                        \
> +     PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |                 \
> +     PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
> +
> +#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |                 \
> +     PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |                 \
> +     PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
> +
> +#define USDHC_PAD_CLK_CTRL (PAD_CTL_SPEED_LOW |              \
> +     PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST |                  \
> +     PAD_CTL_HYS)
> +
> +#define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                        \
> +     PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
> +
> +#define ENET_PAD_CTRL_PD  (PAD_CTL_PUS_100K_DOWN |           \
> +     PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
> +
> +#define ENET_PAD_CTRL_CLK  ((PAD_CTL_PUS_100K_UP & ~PAD_CTL_PKE) | \
> +     PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
> +
> +#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP |                  \
> +     PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |   \
> +     PAD_CTL_ODE | PAD_CTL_SRE_FAST)
> +
> +#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
> +                   PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
> +
> +static int board_type = -1;
> +#define BOARD_IS_MARSBOARD   0
> +#define BOARD_IS_RIOTBOARD   1
> +
> +int dram_init(void)
> +{
> +     gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
> +
> +     return 0;
> +}
> +
> +static iomux_v3_cfg_t const uart2_pads[] = {
> +     MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
> +     MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
> +};
> +
> +static void setup_iomux_uart(void)
> +{
> +     imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads));
> +}
> +
> +iomux_v3_cfg_t const enet_pads[] = {
> +     MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
> +     MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
> +     /* GPIO16 -> AR8035 25MHz */
> +     MX6_PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(NO_PAD_CTRL),
> +     MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(NO_PAD_CTRL),
> +     MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
> +     MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
> +     MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
> +     MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
> +     MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
> +     /* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
> +     MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL_CLK),
> +     MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
> +     MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
> +     MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
> +     MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
> +     MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
> +     MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
> +     /* AR8035 PHY Reset */
> +     MX6_PAD_EIM_D31__GPIO3_IO31 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
> +     /* AR8035 PHY Interrupt */
> +     MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(ENET_PAD_CTRL),
> +};
> +
> +static void setup_iomux_enet(void)
> +{
> +     imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
> +
> +     /* Reset AR8035 PHY */
> +     gpio_direction_output(IMX_GPIO_NR(3, 31) , 0);
> +     mdelay(2);
> +     gpio_set_value(IMX_GPIO_NR(3, 31), 1);
> +}
> +
> +int mx6_rgmii_rework(struct phy_device *phydev)
> +{
> +     /* from linux/arch/arm/mach-imx/mach-imx6q.c :
> +      * Ar803x phy SmartEEE feature cause link status generates glitch,
> +      * which cause ethernet link down/up issue, so disable SmartEEE
> +      */
> +     phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
> +     phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x805d);
> +     phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4003);
> +
> +     return 0;
> +}
> +
> +int board_phy_config(struct phy_device *phydev)
> +{
> +     mx6_rgmii_rework(phydev);
> +
> +     if (phydev->drv->config)
> +             phydev->drv->config(phydev);
> +
> +     return 0;
> +}
> +
> +iomux_v3_cfg_t const usdhc2_pads[] = {
> +     MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CLK_CTRL),
> +     MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +     MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +     MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +     MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +     MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +     MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* WP */
> +     MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
> +};
> +
> +iomux_v3_cfg_t const usdhc3_pads[] = {
> +     MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CLK_CTRL),
> +     MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +     MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +     MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +     MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +     MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +};
> +
> +iomux_v3_cfg_t const riotboard_usdhc3_pads[] = {
> +     MX6_PAD_SD3_DAT4__GPIO7_IO01 | MUX_PAD_CTRL(NO_PAD_CTRL), /* WP */
> +     MX6_PAD_SD3_DAT5__GPIO7_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
> +};
> +
> +iomux_v3_cfg_t const usdhc4_pads[] = {
> +     MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CLK_CTRL),
> +     MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +     MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +     MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +     MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +     MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
> +     /* eMMC RST */
> +     MX6_PAD_NANDF_ALE__GPIO6_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL),
> +};
> +
> +#ifdef CONFIG_FSL_ESDHC
> +struct fsl_esdhc_cfg usdhc_cfg[3] = {
> +     {USDHC2_BASE_ADDR},
> +     {USDHC3_BASE_ADDR},
> +     {USDHC4_BASE_ADDR},
> +};
> +
> +#define USDHC2_CD_GPIO       IMX_GPIO_NR(1, 4)
> +#define USDHC3_CD_GPIO       IMX_GPIO_NR(7, 0)
> +
> +int board_mmc_getcd(struct mmc *mmc)
> +{
> +     struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
> +     int ret = 0;
> +
> +     switch (cfg->esdhc_base) {
> +     case USDHC2_BASE_ADDR:
> +             ret = !gpio_get_value(USDHC2_CD_GPIO);
> +             break;
> +     case USDHC3_BASE_ADDR:
> +             if (board_type == BOARD_IS_RIOTBOARD)
> +                     ret = !gpio_get_value(USDHC3_CD_GPIO);
> +             else if (board_type == BOARD_IS_MARSBOARD)
> +                     ret = 1; /* eMMC/uSDHC3 is always present */
> +             break;
> +     case USDHC4_BASE_ADDR:
> +             ret = 1; /* eMMC/uSDHC4 is always present */
> +             break;
> +     }
> +
> +     return ret;
> +}
> +
> +int board_mmc_init(bd_t *bis)
> +{
> +     s32 status = 0;
> +     int i;
> +
> +     /*
> +      * According to the board_mmc_init() the following map is done:
> +      * (U-boot device node)    (Physical Port)
> +      * ** RiOTboard :
> +      * mmc0                    SDCard slot (bottom)
> +      * mmc1                    uSDCard slot (top)
> +      * mmc2                    eMMC
> +      * ** MarSBoard :
> +      * mmc0                    uSDCard slot (bottom)
> +      * mmc1                    eMMC
> +      */
> +     for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
> +             switch (i) {
> +             case 0:
> +                     imx_iomux_v3_setup_multiple_pads(
> +                             usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
> +                     gpio_direction_input(USDHC2_CD_GPIO);
> +                     usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
> +                     usdhc_cfg[0].max_bus_width = 4;
> +                     break;
> +             case 1:
> +                     imx_iomux_v3_setup_multiple_pads(
> +                             usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
> +                     if (board_type == BOARD_IS_RIOTBOARD) {
> +                             imx_iomux_v3_setup_multiple_pads(
> +                                     riotboard_usdhc3_pads,
> +                                     ARRAY_SIZE(riotboard_usdhc3_pads));
> +                             gpio_direction_input(USDHC3_CD_GPIO);
> +                             gpio_direction_output(IMX_GPIO_NR(7, 8) , 0);
> +                             udelay(250);
> +                             gpio_set_value(IMX_GPIO_NR(7, 8), 1);
> +                     }
> +                     usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
> +                     usdhc_cfg[1].max_bus_width = 4;
> +                     break;
> +             case 2:
> +                     imx_iomux_v3_setup_multiple_pads(
> +                             usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
> +                     usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
> +                     usdhc_cfg[2].max_bus_width = 4;
> +                     gpio_direction_output(IMX_GPIO_NR(6, 8) , 0);
> +                     udelay(250);
> +                     gpio_set_value(IMX_GPIO_NR(6, 8), 1);
> +                     break;
> +             default:
> +                     printf("Warning: you configured more USDHC controllers"
> +                            "(%d) then supported by the board (%d)\n",
> +                            i + 1, CONFIG_SYS_FSL_USDHC_NUM);
> +                     return status;
> +             }
> +
> +             status |= fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
> +     }
> +
> +     return status;
> +}
> +#endif
> +
> +#ifdef CONFIG_MXC_SPI
> +iomux_v3_cfg_t const ecspi1_pads[] = {
> +     MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
> +     MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
> +     MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
> +     MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL),
> +};
> +
> +static void setup_spi(void)
> +{
> +     imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
> +}
> +#endif
> +
> +struct i2c_pads_info i2c_pad_info1 = {
> +     .scl = {
> +             .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL
> +                             | MUX_PAD_CTRL(I2C_PAD_CTRL),
> +             .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27
> +                             | MUX_PAD_CTRL(I2C_PAD_CTRL),
> +             .gp = IMX_GPIO_NR(5, 27)
> +     },
> +     .sda = {
> +             .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA
> +                             | MUX_PAD_CTRL(I2C_PAD_CTRL),
> +             .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26
> +                             | MUX_PAD_CTRL(I2C_PAD_CTRL),
> +             .gp = IMX_GPIO_NR(5, 26)
> +     }
> +};
> +
> +struct i2c_pads_info i2c_pad_info2 = {
> +     .scl = {
> +             .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL
> +                             | MUX_PAD_CTRL(I2C_PAD_CTRL),
> +             .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12
> +                             | MUX_PAD_CTRL(I2C_PAD_CTRL),
> +             .gp = IMX_GPIO_NR(4, 12)
> +     },
> +     .sda = {
> +             .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA
> +                             | MUX_PAD_CTRL(I2C_PAD_CTRL),
> +             .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13
> +                             | MUX_PAD_CTRL(I2C_PAD_CTRL),
> +             .gp = IMX_GPIO_NR(4, 13)
> +     }
> +};
> +
> +struct i2c_pads_info i2c_pad_info3 = {
> +     .scl = {
> +             .i2c_mode = MX6_PAD_GPIO_5__I2C3_SCL
> +                             | MUX_PAD_CTRL(I2C_PAD_CTRL),
> +             .gpio_mode = MX6_PAD_GPIO_5__GPIO1_IO05
> +                             | MUX_PAD_CTRL(I2C_PAD_CTRL),
> +             .gp = IMX_GPIO_NR(1, 5)
> +     },
> +     .sda = {
> +             .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA
> +                             | MUX_PAD_CTRL(I2C_PAD_CTRL),
> +             .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06
> +                             | MUX_PAD_CTRL(I2C_PAD_CTRL),
> +             .gp = IMX_GPIO_NR(1, 6)
> +     }
> +};
> +
> +iomux_v3_cfg_t const tft_pads_riot[] = {
> +     /* LCD_PWR_EN */
> +     MX6_PAD_ENET_TXD1__GPIO1_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
> +     /* TOUCH_INT */
> +     MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
> +     /* LED_PWR_EN */
> +     MX6_PAD_NANDF_CS2__GPIO6_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL),
> +     /* BL LEVEL */
> +     MX6_PAD_SD1_CMD__GPIO1_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL),
> +};
> +
> +iomux_v3_cfg_t const tft_pads_mars[] = {
> +     /* LCD_PWR_EN */
> +     MX6_PAD_ENET_TXD1__GPIO1_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL),
> +     /* TOUCH_INT */
> +     MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
> +     /* LED_PWR_EN */
> +     MX6_PAD_NANDF_CS2__GPIO6_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL),
> +     /* BL LEVEL (PWM4) */
> +     MX6_PAD_SD4_DAT2__GPIO2_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
> +};
> +
> +#if defined(CONFIG_VIDEO_IPUV3)
> +
> +static void enable_lvds(struct display_info_t const *dev)
> +{
> +     struct iomuxc *iomux = (struct iomuxc *)
> +                             IOMUXC_BASE_ADDR;
> +     setbits_le32(&iomux->gpr[2],
> +                  IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT);
> +     /* set backlight level to ON */
> +     if (board_type == BOARD_IS_RIOTBOARD)
> +             gpio_direction_output(IMX_GPIO_NR(1, 18) , 1);
> +     else if (board_type == BOARD_IS_MARSBOARD)
> +             gpio_direction_output(IMX_GPIO_NR(2, 10) , 1);
> +}
> +
> +static void disable_lvds(struct display_info_t const *dev)
> +{
> +     struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
> +
> +     /* set backlight level to OFF */
> +     if (board_type == BOARD_IS_RIOTBOARD)
> +             gpio_direction_output(IMX_GPIO_NR(1, 18) , 0);
> +     else if (board_type == BOARD_IS_MARSBOARD)
> +             gpio_direction_output(IMX_GPIO_NR(2, 10) , 0);
> +
> +     clrbits_le32(&iomux->gpr[2],
> +                  IOMUXC_GPR2_LVDS_CH0_MODE_MASK);
> +}
> +
> +static int detect_hdmi(struct display_info_t const *dev)
> +{
> +     struct hdmi_regs *hdmi  = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
> +     return readb(&hdmi->phy_stat0) & HDMI_DVI_STAT;
> +}
> +
> +static void do_enable_hdmi(struct display_info_t const *dev)
> +{
> +     disable_lvds(dev);
> +     imx_enable_hdmi_phy();
> +}
> +
> +static int detect_i2c(struct display_info_t const *dev)
> +{
> +     return (0 == i2c_set_bus_num(dev->bus)) &&
> +             (0 == i2c_probe(dev->addr));
> +}
> +
> +struct display_info_t const displays[] = {{
> +     .bus    = -1,
> +     .addr   = 0,
> +     .pixfmt = IPU_PIX_FMT_RGB24,
> +     .detect = detect_hdmi,
> +     .enable = do_enable_hdmi,
> +     .mode   = {
> +             .name           = "HDMI",
> +             .refresh        = 60,
> +             .xres           = 1024,
> +             .yres           = 768,
> +             .pixclock       = 15385,
> +             .left_margin    = 220,
> +             .right_margin   = 40,
> +             .upper_margin   = 21,
> +             .lower_margin   = 7,
> +             .hsync_len      = 60,
> +             .vsync_len      = 10,
> +             .sync           = FB_SYNC_EXT,
> +             .vmode          = FB_VMODE_NONINTERLACED
> +} }, {
> +     .bus    = 2,
> +     .addr   = 0x1,
> +     .pixfmt = IPU_PIX_FMT_LVDS666,
> +     .detect = detect_i2c,
> +     .enable = enable_lvds,
> +     .mode   = {
> +             .name           = "LCD8000-97C",
> +             .refresh        = 60,
> +             .xres           = 1024,
> +             .yres           = 768,
> +             .pixclock       = 15385,
> +             .left_margin    = 100,
> +             .right_margin   = 200,
> +             .upper_margin   = 10,
> +             .lower_margin   = 20,
> +             .hsync_len      = 20,
> +             .vsync_len      = 8,
> +             .sync           = FB_SYNC_EXT,
> +             .vmode          = FB_VMODE_NONINTERLACED
> +} } };
> +size_t display_number = ARRAY_SIZE(displays);
> +
> +static void setup_display(void)
> +{
> +     struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
> +     struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
> +     int reg;
> +
> +     enable_ipu_clock();
> +     imx_setup_hdmi();
> +
> +     /* Turn on LDB0, IPU,IPU DI0 clocks */
> +     setbits_le32(&mxc_ccm->CCGR3,
> +                  MXC_CCM_CCGR3_LDB_DI0_MASK);
> +
> +     /* set LDB0 clk select to 011/011 */
> +     clrsetbits_le32(&mxc_ccm->cs2cdr,
> +                     MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK,
> +                     (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET));
> +
> +     setbits_le32(&mxc_ccm->cscmr2,
> +                  MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
> +
> +     setbits_le32(&mxc_ccm->chsccdr,
> +                  (CHSCCDR_CLK_SEL_LDB_DI0
> +                  << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
> +
> +     reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
> +          | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
> +          | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
> +          | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
> +          | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
> +          | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
> +          | IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
> +          | IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
> +     writel(reg, &iomux->gpr[2]);
> +
> +     clrsetbits_le32(&iomux->gpr[3],
> +                     IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
> +                     IOMUXC_GPR3_HDMI_MUX_CTL_MASK,
> +                     IOMUXC_GPR3_MUX_SRC_IPU1_DI0
> +                     << IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
> +}
> +#endif /* CONFIG_VIDEO_IPUV3 */
> +
> +/*
> + * Do not overwrite the console
> + * Use always serial for U-Boot console
> + */
> +int overwrite_console(void)
> +{
> +     return 1;
> +}
> +
> +int board_eth_init(bd_t *bis)
> +{
> +     setup_iomux_enet();
> +
> +     return cpu_eth_init(bis);
> +}
> +
> +int board_early_init_f(void)
> +{
> +     u32 cputype = cpu_type(get_cpu_rev());
> +
> +     switch (cputype) {
> +     case MXC_CPU_MX6SOLO:
> +             board_type = BOARD_IS_RIOTBOARD;
> +             break;
> +     case MXC_CPU_MX6D:
> +             board_type = BOARD_IS_MARSBOARD;
> +             break;
> +     }
> +
> +     setup_iomux_uart();
> +
> +     if (board_type == BOARD_IS_RIOTBOARD)
> +             imx_iomux_v3_setup_multiple_pads(
> +                     tft_pads_riot, ARRAY_SIZE(tft_pads_riot));
> +     else if (board_type == BOARD_IS_MARSBOARD)
> +             imx_iomux_v3_setup_multiple_pads(
> +                     tft_pads_mars, ARRAY_SIZE(tft_pads_mars));
> +#if defined(CONFIG_VIDEO_IPUV3)
> +     /* power ON LCD */
> +     gpio_direction_output(IMX_GPIO_NR(1, 29) , 1);
> +     /* touch interrupt is an input */
> +     gpio_direction_input(IMX_GPIO_NR(6, 14));
> +     /* power ON backlight */
> +     gpio_direction_output(IMX_GPIO_NR(6, 15) , 1);
> +     /* set backlight level to off */
> +     if (board_type == BOARD_IS_RIOTBOARD)
> +             gpio_direction_output(IMX_GPIO_NR(1, 18) , 0);
> +     else if (board_type == BOARD_IS_MARSBOARD)
> +             gpio_direction_output(IMX_GPIO_NR(2, 10) , 0);
> +     setup_display();
> +#endif
> +
> +     return 0;
> +}
> +
> +int board_init(void)
> +{
> +     /* address of boot parameters */
> +     gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
> +     /* i2c1 : PMIC, Audio codec on RiOT, Expansion connector on MarS */
> +     setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
> +     /* i2c2 : HDMI EDID */
> +     setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
> +     /* i2c3 : LVDS, Expansion connector */
> +     setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
> +#ifdef CONFIG_MXC_SPI
> +     setup_spi();
> +#endif
> +     return 0;
> +}
> +
> +#ifdef CONFIG_CMD_BMODE
> +static const struct boot_mode riotboard_boot_modes[] = {
> +     {"sd2",  MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
> +     {"sd3",  MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
> +     {"emmc", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)},
> +     {NULL,   0},
> +};
> +static const struct boot_mode marsboard_boot_modes[] = {
> +     {"sd2",  MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
> +     {"emmc", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
> +     {NULL,   0},
> +};
> +#endif
> +
> +int board_late_init(void)
> +{
> +#ifdef CONFIG_CMD_BMODE
> +     if (board_type == BOARD_IS_RIOTBOARD)
> +             add_board_boot_modes(riotboard_boot_modes);
> +     else if (board_type == BOARD_IS_RIOTBOARD)
> +             add_board_boot_modes(marsboard_boot_modes);
> +#endif
> +
> +     return 0;
> +}
> +
> +int checkboard(void)
> +{
> +     puts("Board: ");
> +     if (board_type == BOARD_IS_MARSBOARD)
> +             puts("MarSBoard\n");
> +     else if (board_type == BOARD_IS_RIOTBOARD)
> +             puts("RIoTboard\n");
> +     else
> +             printf("unknown - cputype : %02x\n", cpu_type(get_cpu_rev()));
> +
> +     return 0;
> +}
> diff --git a/boards.cfg b/boards.cfg
> index 69c8936..9804e97 100644
> --- a/boards.cfg
> +++ b/boards.cfg
> @@ -323,6 +323,8 @@ Active  arm         armv7          mx6         freescale  
>      mx6sabresd
>  Active  arm         armv7          mx6         freescale       mx6sabresd    
>       mx6qsabresd                          
> mx6sabresd:IMX_CONFIG=board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg,MX6Q       
>                                                     Fabio Estevam 
> <fabio.este...@freescale.com>
>  Active  arm         armv7          mx6         freescale       mx6slevk      
>       mx6slevk                             
> mx6slevk:IMX_CONFIG=board/freescale/mx6slevk/imximage.cfg,MX6SL               
>                                                     Fabio Estevam 
> <fabio.este...@freescale.com>
>  Active  arm         armv7          mx6         solidrun        hummingboard  
>       hummingboard_solo                    
> hummingboard:IMX_CONFIG=board/solidrun/hummingboard/solo.cfg,MX6S,DDR_MB=512  
>                                                     Jon Nettleton 
> <jon.nettle...@gmail.com>
> +Active  arm         armv7          mx6         embest          mx6boards     
>       riotboard                            
> embestmx6boards:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6s1g.cfg,MX6S,DDR_MB=1024,ENV_IS_IN_MMC
>                               Eric Bénard <e...@eukrea.com>
> +Active  arm         armv7          mx6         embest          mx6boards     
>       marsboard                            
> embestmx6boards:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6q.cfg,MX6Q,DDR_MB=1024,ENV_IS_IN_SPI_FLASH
>                           Eric Bénard <e...@eukrea.com>
>  Active  arm         armv7          omap3       -               overo         
>       omap3_overo                          -                                  
>                                                                               
>                  Steve Sakoman <sako...@gmail.com>
>  Active  arm         armv7          omap3       -               pandora       
>       omap3_pandora                        -                                  
>                                                                               
>                  Grazvydas Ignotas <nota...@gmail.com>
>  Active  arm         armv7          omap3       8dtech          eco5pk        
>       eco5pk                               -                                  
>                                                                               
>                  Raphael Assenat <r...@8d.com>
> diff --git a/include/configs/embestmx6boards.h 
> b/include/configs/embestmx6boards.h
> new file mode 100644
> index 0000000..ac53a9b
> --- /dev/null
> +++ b/include/configs/embestmx6boards.h
> @@ -0,0 +1,339 @@
> +/*
> + * Copyright (C) 2014 Eukréa Electromatique
> + * Author: Eric Bénard <e...@eukrea.com>
> + *
> + * Configuration settings for the Embest RIoTboard
> + *
> + * based on mx6*sabre*.h which are :
> + * Copyright (C) 2012 Freescale Semiconductor, Inc.
> + *
> + * SPDX-License-Identifier:  GPL-2.0+
> + */
> +
> +#ifndef __RIOTBOARD_CONFIG_H
> +#define __RIOTBOARD_CONFIG_H
> +
> +#include <asm/arch/imx-regs.h>
> +#include <asm/imx-common/gpio.h>
> +
> +#include "mx6_common.h"
> +#include <linux/sizes.h>
> +
> +#define CONFIG_MXC_UART_BASE         UART2_BASE
> +#define CONFIG_CONSOLE_DEV           "ttymxc0"
> +#define CONFIG_MMCROOT                       "/dev/mmcblk1p2"
> +
> +#define PHYS_SDRAM_SIZE              (1u * 1024 * 1024 * 1024)
> +
> +#ifdef CONFIG_RIOTBOARD
> +#define CONFIG_SUPPORT_EMMC_BOOT /* eMMC specific */
> +#endif
> +
> +#define CONFIG_MX6
> +
> +#define CONFIG_DISPLAY_CPUINFO
> +#define CONFIG_DISPLAY_BOARDINFO
> +
> +#define CONFIG_CMDLINE_TAG
> +#define CONFIG_SETUP_MEMORY_TAGS
> +#define CONFIG_INITRD_TAG
> +#define CONFIG_REVISION_TAG
> +
> +/* Size of malloc() pool */
> +#define CONFIG_SYS_MALLOC_LEN                (10 * SZ_1M)
> +
> +#define CONFIG_BOARD_EARLY_INIT_F
> +#define CONFIG_BOARD_LATE_INIT
> +#define CONFIG_MXC_GPIO
> +
> +#define CONFIG_MXC_UART
> +
> +#define CONFIG_CMD_FUSE
> +#ifdef CONFIG_CMD_FUSE
> +#define CONFIG_MXC_OCOTP
> +#endif
> +
> +/* I2C Configs */
> +#define CONFIG_CMD_I2C
> +#define CONFIG_SYS_I2C
> +#define CONFIG_SYS_I2C_MXC
> +#define CONFIG_SYS_I2C_SPEED         100000
> +
> +/* USB Configs */
> +#define CONFIG_CMD_USB
> +#define CONFIG_USB_EHCI
> +#define CONFIG_USB_EHCI_MX6
> +#define CONFIG_USB_STORAGE
> +#define CONFIG_USB_HOST_ETHER
> +#define CONFIG_USB_ETHER_ASIX
> +#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
> +#define CONFIG_EHCI_HCD_INIT_AFTER_RESET     /* For OTG port */
> +#define CONFIG_MXC_USB_PORTSC        (PORT_PTS_UTMI | PORT_PTS_PTW)
> +#define CONFIG_MXC_USB_FLAGS 0
> +
> +/* MMC Configs */
> +#define CONFIG_FSL_ESDHC
> +#define CONFIG_FSL_USDHC
> +#define CONFIG_SYS_FSL_ESDHC_ADDR      0
> +
> +#define CONFIG_MMC
> +#define CONFIG_CMD_MMC
> +#define CONFIG_GENERIC_MMC
> +#define CONFIG_BOUNCE_BUFFER
> +#define CONFIG_CMD_EXT2
> +#define CONFIG_CMD_FAT
> +#define CONFIG_DOS_PARTITION
> +
> +#define CONFIG_CMD_PING
> +#define CONFIG_CMD_DHCP
> +#define CONFIG_CMD_MII
> +#define CONFIG_CMD_NET
> +#define CONFIG_FEC_MXC
> +#define CONFIG_MII
> +#define IMX_FEC_BASE                 ENET_BASE_ADDR
> +#define CONFIG_FEC_XCV_TYPE          RGMII
> +#define CONFIG_ETHPRIME                      "FEC"
> +#define CONFIG_FEC_MXC_PHYADDR               4
> +
> +#define CONFIG_PHYLIB
> +#define CONFIG_PHY_ATHEROS
> +
> +#define CONFIG_CMD_SF
> +#ifdef CONFIG_CMD_SF
> +#define CONFIG_SPI_FLASH
> +#define CONFIG_SPI_FLASH_SST
> +#define CONFIG_MXC_SPI
> +#define CONFIG_SF_DEFAULT_BUS                0
> +#define CONFIG_SF_DEFAULT_CS         (0 | (IMX_GPIO_NR(2, 30) << 8))
> +#define CONFIG_SF_DEFAULT_SPEED              20000000
> +#define CONFIG_SF_DEFAULT_MODE               SPI_MODE_0
> +#endif
> +
> +/* allow to overwrite serial and ethaddr */
> +#define CONFIG_ENV_OVERWRITE
> +#define CONFIG_CONS_INDEX              1
> +#define CONFIG_BAUDRATE                        115200
> +
> +/* Command definition */
> +#include <config_cmd_default.h>
> +
> +#define CONFIG_CMD_BMODE
> +#define CONFIG_CMD_BOOTZ
> +#define CONFIG_CMD_SETEXPR
> +#undef CONFIG_CMD_IMLS
> +
> +#define CONFIG_BOOTDELAY               1
> +
> +#define CONFIG_LOADADDR                        0x12000000
> +#define CONFIG_SYS_TEXT_BASE           0x17800000
> +
> +#ifdef CONFIG_SUPPORT_EMMC_BOOT
> +#define EMMC_ENV \
> +     "emmcdev=2\0" \
> +     "update_emmc_firmware=" \
> +             "if test ${ip_dyn} = yes; then " \
> +                     "setenv get_cmd dhcp; " \
> +             "else " \
> +                     "setenv get_cmd tftp; " \
> +             "fi; " \
> +             "if ${get_cmd} ${update_sd_firmware_filename}; then " \
> +                     "if mmc dev ${emmcdev}; then "  \
> +                             "setexpr fw_sz ${filesize} / 0x200; " \
> +                             "setexpr fw_sz ${fw_sz} + 1; "  \
> +                             "mmc write ${loadaddr} 0x2 ${fw_sz}; " \
> +                     "fi; "  \
> +             "fi\0"
> +#else
> +#define EMMC_ENV ""
> +#endif
> +
> +#ifdef CONFIG_CMD_SF
> +#define SF_ENV \
> +     "update_spi_firmware=" \
> +             "if test ${ip_dyn} = yes; then " \
> +                     "setenv get_cmd dhcp; " \
> +             "else " \
> +                     "setenv get_cmd tftp; " \
> +             "fi; " \
> +             "if ${get_cmd} ${update_spi_firmware_filename}; then " \
> +                     "if sf probe; then "    \
> +                             "sf erase 0 0xc0000; " \
> +                             "sf write ${loadaddr} 0x400 ${filesize}; " \
> +                     "fi; "  \
> +             "fi\0"
> +#else
> +#define SF_ENV ""
> +#endif
> +
> +#define CONFIG_EXTRA_ENV_SETTINGS \
> +     "script=boot.scr\0" \
> +     "image=zImage\0" \
> +     "fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
> +     "fdt_addr=0x18000000\0" \
> +     "boot_fdt=try\0" \
> +     "ip_dyn=yes\0" \
> +     "console=" CONFIG_CONSOLE_DEV "\0" \
> +     "fdt_high=0xffffffff\0"   \
> +     "initrd_high=0xffffffff\0" \
> +     "mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \
> +     "mmcpart=1\0" \
> +     "mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
> +     "update_sd_firmware=" \
> +             "if test ${ip_dyn} = yes; then " \
> +                     "setenv get_cmd dhcp; " \
> +             "else " \
> +                     "setenv get_cmd tftp; " \
> +             "fi; " \
> +             "if mmc dev ${mmcdev}; then "   \
> +                     "if ${get_cmd} ${update_sd_firmware_filename}; then " \
> +                             "setexpr fw_sz ${filesize} / 0x200; " \
> +                             "setexpr fw_sz ${fw_sz} + 1; "  \
> +                             "mmc write ${loadaddr} 0x2 ${fw_sz}; " \
> +                     "fi; "  \
> +             "fi\0" \
> +     EMMC_ENV          \
> +     SF_ENV    \
> +     "mmcargs=setenv bootargs console=${console},${baudrate} " \
> +             "root=${mmcroot}\0" \
> +     "loadbootscript=" \
> +             "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
> +     "bootscript=echo Running bootscript from mmc ...; " \
> +             "source\0" \
> +     "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
> +     "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
> +     "mmcboot=echo Booting from mmc ...; " \
> +             "run mmcargs; " \
> +             "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
> +                     "if run loadfdt; then " \
> +                             "bootz ${loadaddr} - ${fdt_addr}; " \
> +                     "else " \
> +                             "if test ${boot_fdt} = try; then " \
> +                                     "bootz; " \
> +                             "else " \
> +                                     "echo WARN: Cannot load the DT; " \
> +                             "fi; " \
> +                     "fi; " \
> +             "else " \
> +                     "bootz; " \
> +             "fi;\0" \
> +     "netargs=setenv bootargs console=${console},${baudrate} " \
> +             "root=/dev/nfs " \
> +             "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
> +     "netboot=echo Booting from net ...; " \
> +             "run netargs; " \
> +             "if test ${ip_dyn} = yes; then " \
> +                     "setenv get_cmd dhcp; " \
> +             "else " \
> +                     "setenv get_cmd tftp; " \
> +             "fi; " \
> +             "${get_cmd} ${image}; " \
> +             "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
> +                     "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
> +                             "bootz ${loadaddr} - ${fdt_addr}; " \
> +                     "else " \
> +                             "if test ${boot_fdt} = try; then " \
> +                                     "bootz; " \
> +                             "else " \
> +                                     "echo WARN: Cannot load the DT; " \
> +                             "fi; " \
> +                     "fi; " \
> +             "else " \
> +                     "bootz; " \
> +             "fi;\0"
> +
> +#define CONFIG_BOOTCOMMAND \
> +     "mmc dev ${mmcdev};" \
> +     "if mmc rescan; then " \
> +             "if run loadbootscript; then " \
> +             "run bootscript; " \
> +             "else " \
> +                     "if run loadimage; then " \
> +                             "run mmcboot; " \
> +                     "else run netboot; " \
> +                     "fi; " \
> +             "fi; " \
> +     "else run netboot; fi"
> +
> +#define CONFIG_ARP_TIMEOUT     200UL
> +
> +/* Miscellaneous configurable options */
> +#define CONFIG_SYS_LONGHELP
> +#define CONFIG_SYS_HUSH_PARSER
> +#define CONFIG_SYS_PROMPT_HUSH_PS2     "> "
> +#define CONFIG_AUTO_COMPLETE
> +#define CONFIG_SYS_CBSIZE              256
> +
> +/* Print Buffer Size */
> +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 
> 16)
> +#define CONFIG_SYS_MAXARGS             16
> +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
> +
> +#define CONFIG_SYS_MEMTEST_START       0x10000000
> +#define CONFIG_SYS_MEMTEST_END         0x10010000
> +#define CONFIG_SYS_MEMTEST_SCRATCH     0x10800000
> +
> +#define CONFIG_SYS_LOAD_ADDR           CONFIG_LOADADDR
> +
> +#define CONFIG_CMDLINE_EDITING
> +#define CONFIG_STACKSIZE               (128 * 1024)
> +
> +/* Physical Memory Map */
> +#define CONFIG_NR_DRAM_BANKS           1
> +#define PHYS_SDRAM                     MMDC0_ARB_BASE_ADDR
> +
> +#define CONFIG_SYS_SDRAM_BASE          PHYS_SDRAM
> +#define CONFIG_SYS_INIT_RAM_ADDR       IRAM_BASE_ADDR
> +#define CONFIG_SYS_INIT_RAM_SIZE       IRAM_SIZE
> +
> +#define CONFIG_SYS_INIT_SP_OFFSET \
> +     (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
> +#define CONFIG_SYS_INIT_SP_ADDR \
> +     (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
> +
> +/* FLASH and environment organization */
> +#define CONFIG_SYS_NO_FLASH
> +
> +#define CONFIG_ENV_SIZE                      (8 * 1024)
> +
> +#if defined(CONFIG_ENV_IS_IN_MMC)
> +/* RiOTboard */
> +#define CONFIG_DEFAULT_FDT_FILE      "imx6s-riotboard.dtb"
> +#define CONFIG_SYS_FSL_USDHC_NUM     3
> +#define CONFIG_SYS_MMC_ENV_DEV               2       /* SDHC4 */
> +#define CONFIG_ENV_OFFSET            (6 * 64 * 1024)
> +#elif defined(CONFIG_ENV_IS_IN_SPI_FLASH)
> +/* MarSBoard */
> +#define CONFIG_DEFAULT_FDT_FILE      "imx6q-marsboard.dtb"
> +#define CONFIG_SYS_FSL_USDHC_NUM     2
> +#define CONFIG_ENV_OFFSET            (768 * 1024)
> +#define CONFIG_ENV_SECT_SIZE         (8 * 1024)
> +#define CONFIG_ENV_SPI_BUS           CONFIG_SF_DEFAULT_BUS
> +#define CONFIG_ENV_SPI_CS            CONFIG_SF_DEFAULT_CS
> +#define CONFIG_ENV_SPI_MODE          CONFIG_SF_DEFAULT_MODE
> +#define CONFIG_ENV_SPI_MAX_HZ                CONFIG_SF_DEFAULT_SPEED
> +#endif
> +
> +#define CONFIG_OF_LIBFDT
> +
> +#ifndef CONFIG_SYS_DCACHE_OFF
> +#define CONFIG_CMD_CACHE
> +#endif
> +
> +/* Framebuffer */
> +#define CONFIG_VIDEO
> +#define CONFIG_VIDEO_IPUV3
> +#define CONFIG_CFB_CONSOLE
> +#define CONFIG_VGA_AS_SINGLE_DEVICE
> +#define CONFIG_SYS_CONSOLE_IS_IN_ENV
> +#define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
> +#define CONFIG_VIDEO_BMP_RLE8
> +#define CONFIG_SPLASH_SCREEN
> +#define CONFIG_SPLASH_SCREEN_ALIGN
> +#define CONFIG_BMP_16BPP
> +#define CONFIG_VIDEO_LOGO
> +#define CONFIG_VIDEO_BMP_LOGO
> +#define CONFIG_IPUV3_CLK 260000000
> +#define CONFIG_IMX_HDMI
> +#define CONFIG_IMX_VIDEO_SKIP
> +
> +#endif                         /* __RIOTBOARD_CONFIG_H */
> 

Acked-by: Stefano Babic <sba...@denx.de>

Best regards,
Stefano Babic

-- 
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DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sba...@denx.de
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