[PATCH V2] board: avnet: Add imx8mm sm2s SoM reference board

Michael Nazzareno Trimarchi michael at amarulasolutions.com
Wed Jan 15 14:07:34 CET 2020


Hi


On Wed., 15 Jan. 2020, 1:56 pm Stefano Babic, <sbabic at denx.de> wrote:

> Hi Michael,
>
> your patch is huge....
>
>
Let's agree. One patch without eeprom support and minimal things
Add eeprom support and board detect
Add other memory configuration

Micahel

On 12/01/20 14:08, Michael Trimarchi wrote:
> >
> https://www.avnet.com/wps/portal/integrated/products/embedded-boards/smarc-modules/
> >
> > - Single, Dual or Quad core ARM Cortex-A53 Applications Processor up to
> 1.8GHz
> > - ARM Cortex-M4 Real Time Processor at 400MHz
> > - Vivante GC NanoUltra 2D/3D Graphics Processor
> >   1080p60 H.265 decode, 1080p60 H.264 encode (VPU not available on ”Mini
> Lite“)
> > - Up to 4GB LPDDR4 SDRAM
> > - Up to 64GB eMMC Flash
> > - Dual-channel LVDS / Dual MIPI-DSI x4 (optional)
> > - MIPI CSI-2 Camera Interface
> > - PCI Express x1 Gen. 2
> >
> > - 4x USB 2.0 Host interface
> > - 1x USB 2.0 Host/Device interface
> > - Gigabit Ethernet
> > - Wireless Module (optional)
> > - Micro SD Card Socket (optional)
> > - MMC/SD/SDIO interface
> > - 2x CAN interface (optional)
> > - 2x I2S Audio Interface
> > - UART, SPI, I2C
> > - SMARC 2.0 Compliant
> >
> > Peripheral supported in bootloader
> >
> > - console uart1
> > - mmc
> > - emmc
> > - eeprom and memory configuration according to the specific one
> > - create fdt_file compatible with msc/avnet yocto distribuition
> >
> > Signed-off-by: Waldemar Glensk <waldemar.glensk at avnet.com>
> > Signed-off-by: Michael Trimarchi <michael at amarulasolutions.com>
> > ---
> > Changes: v1->v2:
> >       change size does not fit mailing list. Remove
> >       some memory configuration can not be tested in this
> >       reference module
> >
> > ---
> >  arch/arm/dts/Makefile                         |    1 +
> >  arch/arm/dts/imx8mm-sm2s-u-boot.dtsi          |  127 ++
> >  arch/arm/dts/imx8mm-sm2s.dts                  |   16 +
> >  arch/arm/dts/imx8mm-sm2s.dtsi                 |  317 +++
> >  arch/arm/mach-imx/imx8m/Kconfig               |    7 +
> >  board/avnet/common/Kconfig                    |   13 +
> >  board/avnet/common/Makefile                   |   24 +
> >  board/avnet/common/boardinfo.c                |  200 ++
> >  board/avnet/common/boardinfo.h                |  105 +
> >  board/avnet/common/i2c_eeprom.c               |  156 ++
> >  board/avnet/common/i2c_eeprom.h               |   19 +
> >  board/avnet/common/mmc.c                      |   49 +
> >  board/avnet/common/mx8m_common.c              |   26 +
> >  board/avnet/common/mx8m_common.h              |   11 +
> >  board/avnet/imx8mm_sm2s/Kconfig               |   12 +
> >  board/avnet/imx8mm_sm2s/MAINTAINERS           |    7 +
> >  board/avnet/imx8mm_sm2s/Makefile              |   12 +
> >  board/avnet/imx8mm_sm2s/README                |   37 +
> >  board/avnet/imx8mm_sm2s/boardinfo.c           |   52 +
> >  board/avnet/imx8mm_sm2s/ddr_timings.h         |   21 +
> >  board/avnet/imx8mm_sm2s/imx8mm_sm2s.c         |  107 +
>
> No way to split this in a series ? Just to allow us to review it...
>
> >  ...mt53d512m32d2ds_2gib_2chn_2cs_dv1_timing.c | 1846 +++++++++++++++++
>
>
>
> >  board/avnet/imx8mm_sm2s/spl.c                 |  227 ++
> >  configs/imx8mm_sm2s_defconfig                 |   88 +
> >  include/configs/imx8mm_sm2s.h                 |  162 ++
> >  25 files changed, 3642 insertions(+)
> >  create mode 100644 arch/arm/dts/imx8mm-sm2s-u-boot.dtsi
> >  create mode 100644 arch/arm/dts/imx8mm-sm2s.dts
> >  create mode 100644 arch/arm/dts/imx8mm-sm2s.dtsi
> >  create mode 100644 board/avnet/common/Kconfig
> >  create mode 100644 board/avnet/common/Makefile
> >  create mode 100644 board/avnet/common/boardinfo.c
> >  create mode 100644 board/avnet/common/boardinfo.h
> >  create mode 100644 board/avnet/common/i2c_eeprom.c
> >  create mode 100644 board/avnet/common/i2c_eeprom.h
> >  create mode 100644 board/avnet/common/mmc.c
> >  create mode 100644 board/avnet/common/mx8m_common.c
> >  create mode 100644 board/avnet/common/mx8m_common.h
> >  create mode 100644 board/avnet/imx8mm_sm2s/Kconfig
> >  create mode 100644 board/avnet/imx8mm_sm2s/MAINTAINERS
> >  create mode 100644 board/avnet/imx8mm_sm2s/Makefile
> >  create mode 100644 board/avnet/imx8mm_sm2s/README
> >  create mode 100644 board/avnet/imx8mm_sm2s/boardinfo.c
> >  create mode 100644 board/avnet/imx8mm_sm2s/ddr_timings.h
> >  create mode 100644 board/avnet/imx8mm_sm2s/imx8mm_sm2s.c
> >  create mode 100644
> board/avnet/imx8mm_sm2s/lpddr4_mt53d512m32d2ds_2gib_2chn_2cs_dv1_timing.c
> >  create mode 100644 board/avnet/imx8mm_sm2s/spl.c
> >  create mode 100644 configs/imx8mm_sm2s_defconfig
> >  create mode 100644 include/configs/imx8mm_sm2s.h
> >
> > diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> > index 0127a91a82..dccb58b41a 100644
> > --- a/arch/arm/dts/Makefile
> > +++ b/arch/arm/dts/Makefile
> > @@ -671,6 +671,7 @@ dtb-$(CONFIG_ARCH_IMX8) += \
> >
> >  dtb-$(CONFIG_ARCH_IMX8M) += \
> >       imx8mm-evk.dtb \
> > +     imx8mm-sm2s.dtb \
> >       imx8mn-ddr4-evk.dtb \
> >       imx8mq-evk.dtb
> >
> > diff --git a/arch/arm/dts/imx8mm-sm2s-u-boot.dtsi
> b/arch/arm/dts/imx8mm-sm2s-u-boot.dtsi
> > new file mode 100644
> > index 0000000000..51d5dc6ea4
> > --- /dev/null
> > +++ b/arch/arm/dts/imx8mm-sm2s-u-boot.dtsi
> > @@ -0,0 +1,127 @@
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * Copyright 2020 Amarula Solutions B.V.
> > + */
> > +
> > +/{
> > +     aliases {
> > +             i2c0 = &i2c1;
> > +             i2c2 = &i2c3;
> > +     };
> > +};
> > +
> > +&{/soc at 0} {
> > +     u-boot,dm-pre-reloc;
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&clk {
> > +     u-boot,dm-spl;
> > +     u-boot,dm-pre-reloc;
> > +     /delete-property/ assigned-clocks;
> > +     /delete-property/ assigned-clock-parents;
> > +     /delete-property/ assigned-clock-rates;
> > +};
> > +
> > +&osc_24m {
> > +     u-boot,dm-spl;
> > +     u-boot,dm-pre-reloc;
> > +};
> > +
> > +&aips1 {
> > +     u-boot,dm-spl;
> > +     u-boot,dm-pre-reloc;
> > +};
> > +
> > +&aips2 {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&aips3 {
> > +     u-boot,dm-spl;
> > +     u-boot,dm-pre-reloc;
> > +};
> > +
> > +&iomuxc {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&pinctrl_usdhc2_gpio {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&pinctrl_usdhc2 {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&pinctrl_usdhc1 {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&pinctrl_usdhc1_reset {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&gpio1 {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&gpio2 {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&gpio3 {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&gpio4 {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&gpio5 {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&uart1 {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&usdhc1 {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&usdhc2 {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&usdhc3 {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&i2c1 {
> > +     u-boot,dm-pre-reloc;
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&i2c3 {
> > +     u-boot,dm-pre-reloc;
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&pinctrl_uart1 {
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&pinctrl_i2c1 {
> > +     u-boot,dm-pre-reloc;
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&pinctrl_i2c3 {
> > +     u-boot,dm-pre-reloc;
> > +     u-boot,dm-spl;
> > +};
> > +
> > +&pinctrl_pmic {
> > +     u-boot,dm-spl;
> > +};
> > diff --git a/arch/arm/dts/imx8mm-sm2s.dts b/arch/arm/dts/imx8mm-sm2s.dts
> > new file mode 100644
> > index 0000000000..2e193208f0
> > --- /dev/null
> > +++ b/arch/arm/dts/imx8mm-sm2s.dts
> > @@ -0,0 +1,16 @@
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * Copyright 2020 Amarula Solutions B.V.
> > + * Copyright 2019 AVNET
> > + */
> > +
> > +#include "imx8mm-sm2s.dtsi"
> > +
> > +/ {
> > +     model = "MSC SM2S-IMX8MM";
> > +     compatible = "msc,sm2s-imx8mm", "fsl,imx8mm";
> > +
> > +     chosen {
> > +             stdout-path = &uart1;
> > +     };
> > +};
> > diff --git a/arch/arm/dts/imx8mm-sm2s.dtsi
> b/arch/arm/dts/imx8mm-sm2s.dtsi
> > new file mode 100644
> > index 0000000000..a6c1f01eea
> > --- /dev/null
> > +++ b/arch/arm/dts/imx8mm-sm2s.dtsi
> > @@ -0,0 +1,317 @@
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * Copyright 2019 Amarula Solutons B.V.
> > + * Copyright 2019 AVNET
> > + */
> > +
> > +/dts-v1/;
> > +
> > +#include "imx8mm.dtsi"
> > +#include <dt-bindings/usb/pd.h>
> > +#include <dt-bindings/net/ti-dp83867.h>
> > +
> > +/ {
> > +     extcon_usbotg1: extcon_usbotg1 {
> > +             compatible = "linux,extcon-usb-gpio";
> > +             pinctrl-names = "default";
> > +             pinctrl-0 = <&pinctrl_extcon_usbotg1>;
> > +             id-gpio = <&gpio1 10 GPIO_ACTIVE_HIGH>;
> > +     };
> > +
> > +     reg_otg1_vbus: otg1_vbus_regulator {
> > +             compatible = "regulator-fixed";
> > +             regulator-name = "OTG1_VBUS";
> > +             regulator-min-microvolt = <5000000>;
> > +             regulator-max-microvolt = <5000000>;
> > +             gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;
> > +             enable-active-high;
> > +     };
> > +};
> > +
> > +&fec1 {
> > +     pinctrl-names = "default";
> > +     pinctrl-0 = <&pinctrl_fec1>;
> > +     phy-mode = "rgmii-id";
> > +     phy-handle = <&ethphy>;
> > +     fsl,magic-packet;
> > +     status = "okay";
> > +
> > +     mdio {
> > +             #address-cells = <1>;
> > +             #size-cells = <0>;
> > +
> > +             ethphy: ethernet-phy at 1 {
> > +                     reg = <1>;
> > +                     compatible = "ethernet-phy-id2000.a231";
> > +                     ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_25_NS>;
> > +                     ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_75_NS>;
> > +                     ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
> > +             };
> > +     };
> > +};
> > +
> > +&i2c1 {
> > +     clock-frequency = <400000>;
> > +     pinctrl-names = "default";
> > +     pinctrl-0 = <&pinctrl_i2c1>;
> > +     status = "okay";
> > +
> > +     rtc: rtc at 32 {
> > +             compatible = "ricoh,r2221tl";
> > +             pinctrl-names = "default";
> > +             pinctrl-0 = <&pinctrl_rtc>;
> > +             reg = <0x32>;
> > +     };
> > +
> > +     tmp103: tmp103 at 71 {
> > +             compatible = "ti,tmp103";
> > +             reg = <0x71>;
> > +     };
> > +};
> > +
> > +&i2c3 {
> > +     clock-frequency = <100000>;
> > +     pinctrl-names = "default";
> > +     pinctrl-0 = <&pinctrl_i2c3>;
> > +     status = "okay";
> > +
> > +     eepropm: eeprom at 50 {
> > +             compatible = "atmel,24c64";
> > +             reg = <0x50>;
> > +     };
> > +};
> > +
> > +&uart1 {
> > +     pinctrl-names = "default";
> > +     pinctrl-0 = <&pinctrl_uart1>;
> > +     status = "okay";
> > +};
> > +
> > +&usdhc1 {
> > +     pinctrl-names = "default", "state_100mhz", "state_200mhz";
> > +     pinctrl-0 = <&pinctrl_usdhc1>, <&pinctrl_usdhc1_reset>;
> > +     pinctrl-1 = <&pinctrl_usdhc1_100mhz>, <&pinctrl_usdhc1_reset>;
> > +     pinctrl-2 = <&pinctrl_usdhc1_200mhz>, <&pinctrl_usdhc1_reset>;
> > +     bus-width = <8>;
> > +     non-removable;
> > +     status = "okay";
> > +};
> > +
> > +&usdhc2 {
> > +     pinctrl-names = "default";
> > +     pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
> > +     bus-width = <4>;
> > +     cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
> > +     wp-gpios = <&gpio2 20 GPIO_ACTIVE_HIGH>;
> > +     status = "okay";
> > +};
> > +
> > +&usbotg1 {
> > +     dr_mode = "otg";
> > +     pinctrl-names = "default";
> > +     pinctrl-0 = <&pinctrl_usbotg1>;
> > +     usb-role-switch;
> > +     disable-over-current;
> > +     hnp-disable;
> > +     srp-disable;
> > +     adp-disable;
> > +     extcon = <0>, <&extcon_usbotg1>;
> > +     vbus-supply = <&reg_otg1_vbus>;
> > +     status = "okay";
> > +};
> > +
> > +&usbphynop2 {
> > +     reset-gpios = <&gpio3 4 GPIO_ACTIVE_LOW>;
> > +};
> > +
> > +&usbotg2 {
> > +     pinctrl-names = "default";
> > +     pinctrl-0 = <&pinctrl_usbotg2>;
> > +     dr_mode = "host";
> > +     status = "okay";
> > +};
> > +
> > +&wdog1 {
> > +     pinctrl-names = "default";
> > +     pinctrl-0 = <&pinctrl_wdog1>;
> > +     fsl,ext-reset-output;
> > +     status = "okay";
> > +};
> > +
> > +&iomuxc {
> > +     pinctrl-names = "default";
> > +
> > +     pinctrl_fec1: fec1grp {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_ENET_MDC_ENET1_MDC                 0x3
> > +                     MX8MM_IOMUXC_ENET_MDIO_ENET1_MDIO               0x3
> > +                     MX8MM_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL
>  0x1f
> > +                     MX8MM_IOMUXC_ENET_TXC_ENET1_RGMII_TXC
>  0x1f
> > +                     MX8MM_IOMUXC_ENET_TD0_ENET1_RGMII_TD0
>  0x1f
> > +                     MX8MM_IOMUXC_ENET_TD1_ENET1_RGMII_TD1
>  0x1f
> > +                     MX8MM_IOMUXC_ENET_TD2_ENET1_RGMII_TD2
>  0x1f
> > +                     MX8MM_IOMUXC_ENET_TD3_ENET1_RGMII_TD3
>  0x1f
> > +                     MX8MM_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL
>  0x91
> > +                     MX8MM_IOMUXC_ENET_RXC_ENET1_RGMII_RXC
>  0x91
> > +                     MX8MM_IOMUXC_ENET_RD0_ENET1_RGMII_RD0
>  0x91
> > +                     MX8MM_IOMUXC_ENET_RD1_ENET1_RGMII_RD1
>  0x91
> > +                     MX8MM_IOMUXC_ENET_RD2_ENET1_RGMII_RD2
>  0x91
> > +                     MX8MM_IOMUXC_ENET_RD3_ENET1_RGMII_RD3
>  0x91
> > +                     MX8MM_IOMUXC_NAND_CE1_B_GPIO3_IO2
>  0x19
> > +                     MX8MM_IOMUXC_NAND_CE2_B_GPIO3_IO3
>  0x40000019
> > +                     MX8MM_IOMUXC_GPIO1_IO08_ENET1_1588_EVENT0_IN
> 0x19
> > +             >;
> > +     };
> > +
> > +     pinctrl_qspi: qspigrp {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_NAND_ALE_QSPI_A_SCLK
>  0x82
> > +                     MX8MM_IOMUXC_NAND_CE0_B_QSPI_A_SS0_B
> 0x82
> > +                     MX8MM_IOMUXC_NAND_DATA00_QSPI_A_DATA0
>  0x82
> > +                     MX8MM_IOMUXC_NAND_DATA01_QSPI_A_DATA1
>  0x82
> > +                     MX8MM_IOMUXC_NAND_DATA02_QSPI_A_DATA2
>  0x82
> > +                     MX8MM_IOMUXC_NAND_DATA03_QSPI_A_DATA3
>  0x82
> > +             >;
> > +     };
> > +
> > +     pinctrl_i2c1: i2c1grp {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL
> 0x400001c3
> > +                     MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA
> 0x400001c3
> > +             >;
> > +     };
> > +
> > +     pinctrl_i2c2: i2c2grp {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_I2C2_SCL_I2C2_SCL
> 0x400001c3
> > +                     MX8MM_IOMUXC_I2C2_SDA_I2C2_SDA
> 0x400001c3
> > +             >;
> > +     };
> > +
> > +     pinctrl_i2c3: i2c3grp {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_I2C3_SCL_I2C3_SCL
> 0x400001c3
> > +                     MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA
> 0x400001c3
> > +             >;
> > +     };
> > +
> > +     pinctrl_pmic: pmicirq {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3
>  0x41
> > +             >;
> > +     };
> > +
> > +     pinctrl_rtc: rtcgrp {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_SAI1_RXC_GPIO4_IO1
>  0x40000019
> > +             >;
> > +     };
> > +
> > +     pinctrl_uart1: uart1grp {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_UART1_RXD_UART1_DCE_RX
>  0x49
> > +                     MX8MM_IOMUXC_UART1_TXD_UART1_DCE_TX
>  0x49
> > +             >;
> > +     };
> > +
> > +     pinctrl_usdhc1_reset: usdhc1grp-reset {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_SD1_RESET_B_USDHC1_RESET_B
>  0x116
> > +             >;
> > +     };
> > +
> > +     pinctrl_usdhc1: usdhc1grp {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK
>  0x40000190
> > +                     MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD
>  0x1d0
> > +                     MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0
>  0x1d0
> > +                     MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1
>  0x1d0
> > +                     MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2
>  0x1d0
> > +                     MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3
>  0x1d0
> > +                     MX8MM_IOMUXC_SD1_DATA4_USDHC1_DATA4
>  0x1d0
> > +                     MX8MM_IOMUXC_SD1_DATA5_USDHC1_DATA5
>  0x1d0
> > +                     MX8MM_IOMUXC_SD1_DATA6_USDHC1_DATA6
>  0x1d0
> > +                     MX8MM_IOMUXC_SD1_DATA7_USDHC1_DATA7
>  0x1d0
> > +                     MX8MM_IOMUXC_SD1_STROBE_USDHC1_STROBE
>  0x190
> > +             >;
> > +     };
> > +
> > +     pinctrl_usdhc1_100mhz: usdhc1grp-100mhz {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK
>  0x40000194
> > +                     MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD
>  0x1d4
> > +                     MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0
>  0x1d4
> > +                     MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1
>  0x1d4
> > +                     MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2
>  0x1d4
> > +                     MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3
>  0x1d4
> > +                     MX8MM_IOMUXC_SD1_DATA4_USDHC1_DATA4
>  0x1d4
> > +                     MX8MM_IOMUXC_SD1_DATA5_USDHC1_DATA5
>  0x1d4
> > +                     MX8MM_IOMUXC_SD1_DATA6_USDHC1_DATA6
>  0x1d4
> > +                     MX8MM_IOMUXC_SD1_DATA7_USDHC1_DATA7
>  0x1d4
> > +                     MX8MM_IOMUXC_SD1_STROBE_USDHC1_STROBE
>  0x194
> > +             >;
> > +     };
> > +
> > +     pinctrl_usdhc1_200mhz: usdhc1grp-200mhz {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK
>  0x40000196
> > +                     MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD
>  0x1d6
> > +                     MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0
>  0x1d6
> > +                     MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1
>  0x1d6
> > +                     MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2
>  0x1d6
> > +                     MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3
>  0x1d6
> > +                     MX8MM_IOMUXC_SD1_DATA4_USDHC1_DATA4
>  0x1d6
> > +                     MX8MM_IOMUXC_SD1_DATA5_USDHC1_DATA5
>  0x1d6
> > +                     MX8MM_IOMUXC_SD1_DATA6_USDHC1_DATA6
>  0x1d6
> > +                     MX8MM_IOMUXC_SD1_DATA7_USDHC1_DATA7
>  0x1d6
> > +                     MX8MM_IOMUXC_SD1_STROBE_USDHC1_STROBE
>  0x196
> > +             >;
> > +     };
> > +
> > +     pinctrl_usdhc2_gpio: usdhc2grp-gpio {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_SD2_RESET_B_GPIO2_IO19
>  0x41
> > +                     MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12
> 0x41
> > +                     MX8MM_IOMUXC_SD2_WP_GPIO2_IO20
> 0x41
> > +                     MX8MM_IOMUXC_NAND_DQS_GPIO3_IO14
> 0x41
> > +                     MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT
> 0x1d0
> > +             >;
> > +     };
> > +
> > +     pinctrl_usdhc2: usdhc2grp {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK
>  0x190
> > +                     MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD
>  0x1d0
> > +                     MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0
>  0x1d0
> > +                     MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1
>  0x1d0
> > +                     MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2
>  0x1d0
> > +                     MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3
>  0x1d0
> > +             >;
> > +     };
> > +
> > +     pinctrl_wdog1: wdog1grp {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B
> 0xc6
> > +             >;
> > +     };
> > +
> > +     pinctrl_usbotg1: usbotg1grp {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_GPIO1_IO12_GPIO1_IO12
> 0x40000019
> > +                     MX8MM_IOMUXC_GPIO1_IO13_USB1_OTG_OC
>  0x40000019
> > +             >;
> > +     };
> > +
> > +     pinctrl_extcon_usbotg1: usbotg1grp-extcon {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_GPIO1_IO10_GPIO1_IO10
> 0x40000019
> > +             >;
> > +     };
> > +
> > +     pinctrl_usbotg2: usbotg2grp {
> > +             fsl,pins = <
> > +                     MX8MM_IOMUXC_NAND_READY_B_GPIO3_IO16
> 0x40000019
> > +                     MX8MM_IOMUXC_NAND_CE3_B_GPIO3_IO4
>  0x19
> > +             >;
> > +     };
> > +};
> > diff --git a/arch/arm/mach-imx/imx8m/Kconfig
> b/arch/arm/mach-imx/imx8m/Kconfig
> > index eb4a73b3e2..7a65266fd9 100644
> > --- a/arch/arm/mach-imx/imx8m/Kconfig
> > +++ b/arch/arm/mach-imx/imx8m/Kconfig
> > @@ -34,6 +34,12 @@ config TARGET_IMX8MM_EVK
> >       select SUPPORT_SPL
> >       select IMX8M_LPDDR4
> >
> > +config TARGET_IMX8MM_SM2S
> > +     bool "imx8mm LPDDR4 SM2S board"
> > +     select IMX8MM
> > +     select SUPPORT_SPL
> > +     select IMX8M_LPDDR4
> > +
> >  config TARGET_IMX8MN_EVK
> >       bool "imx8mn DDR4 EVK board"
> >       select IMX8MN
> > @@ -45,5 +51,6 @@ endchoice
> >  source "board/freescale/imx8mq_evk/Kconfig"
> >  source "board/freescale/imx8mm_evk/Kconfig"
> >  source "board/freescale/imx8mn_evk/Kconfig"
> > +source "board/avnet/imx8mm_sm2s/Kconfig"
> >
> >  endif
> > diff --git a/board/avnet/common/Kconfig b/board/avnet/common/Kconfig
> > new file mode 100644
> > index 0000000000..6e5d09a504
> > --- /dev/null
> > +++ b/board/avnet/common/Kconfig
> > @@ -0,0 +1,13 @@
> > +#
> > +# Copyright (C) 2019 AVNET Integrated, MSC Technologies GmbH
> > +#
> > +# SPDX-License-Identifier:      GPL-2.0+
> > +#
> > +
> > +menu "MSC board/module specific features"
> > +
> > +config BOARDINFO_EEPROM
> > +     bool "Board information EEPROM storage"
> > +     default y
> > +     help
> > +       Enable board information storage in EEPROM
> > diff --git a/board/avnet/common/Makefile b/board/avnet/common/Makefile
> > new file mode 100644
> > index 0000000000..413c95f8d7
> > --- /dev/null
> > +++ b/board/avnet/common/Makefile
> > @@ -0,0 +1,24 @@
> > +#
> > +# Copyright (C) 2019 AVNET Integrated, MSC Technologies GmbH
> > +#
> > +# SPDX-License-Identifier:      GPL-2.0+
> > +#
> > +
> > +MINIMAL=
> > +
> > +ifdef CONFIG_SPL_BUILD
> > +ifdef CONFIG_SPL_INIT_MINIMAL
> > +MINIMAL=y
> > +endif
> > +endif
> > +
> > +ifdef MINIMAL
> > +# necessary to create built-in.o
> > +obj- := __dummy__.o
> > +else
> > +
> > +obj-y += i2c_eeprom.o
> > +obj-y += mmc.o
> > +obj-y += boardinfo.o
> > +obj-$(CONFIG_IMX8M) += mx8m_common.o
> > +endif
> > diff --git a/board/avnet/common/boardinfo.c
> b/board/avnet/common/boardinfo.c
> > new file mode 100644
> > index 0000000000..600054ab01
> > --- /dev/null
> > +++ b/board/avnet/common/boardinfo.c
> > @@ -0,0 +1,200 @@
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * Copyright 2019 AVNET
> > + */
> > +
> > +#include <linux/types.h>
> > +#include <linux/errno.h>
> > +#include <asm/mach-imx/mxc_i2c.h>
> > +#include <i2c.h>
> > +#include <command.h>
> > +#include <asm/arch/sys_proto.h>
> > +#include "string.h"
> > +#include "boardinfo.h"
> > +
> > +static board_info_t board_info;
> > +
> > +static bool bi_check_magic(const board_info_t *bi)
> > +{
> > +     if (!bi)
> > +             goto error;
> > +
> > +     if (bi->head.magic[0] != 'm' ||
> > +         bi->head.magic[1] != 's' ||
> > +         bi->head.magic[2] != 'c' )
> > +             goto error;
> > +
> > +     return true;
> > +
> > +error:
> > +     BI_DEBUG("Magic check failed. \n");
> > +     return false;
> > +}
> > +
> > +static int bi_calc_checksum(const board_info_t *bi, uint16_t *chksum)
> > +{
> > +     int i;
> > +     const unsigned char *ptr;
> > +
> > +     if (!bi)
> > +             return -EINVAL;
> > +
> > +     if (bi->head.version == BI_VER_1_0) {
> > +             const bi_v1_0_t *body = &BI_GET_BODY(bi, 1, 0);
> > +             ptr = (const unsigned char*)body;
> > +             *chksum = 0;
> > +             for (i = 0; i < sizeof(*body); i++)
> > +                     *chksum += ptr[i];
> > +     } else {
> > +             return -EINVAL;
> > +     }
> > +
> > +     return 0;
> > +}
> > +
> > +static bool bi_check_checksum(const board_info_t *bi)
> > +{
> > +     uint16_t chksum;
> > +     int ret;
> > +
> > +     if (!bi)
> > +             goto error;
> > +
> > +     ret = bi_calc_checksum(bi, &chksum);
> > +     if (ret)
> > +             goto error;
> > +
> > +     if (chksum != bi->head.body_chksum)
> > +             goto error;
> > +
> > +     return true;
> > +error:
> > +     BI_DEBUG("Magic check failed. \n");
> > +     return false;
> > +}
> > +
> > +static bool bi_ckeck(const board_info_t *bi)
> > +{
> > +     return bi_check_magic(bi) && bi_check_checksum(bi);
> > +}
> > +
> > +void bi_print(const board_info_t *bi)
> > +{
> > +     if (!bi)
> > +             return;
> > +
> > +     printf("company .......... %s\n", bi_get_company(bi));
> > +     printf("form factor ...... %s\n", bi_get_form_factor(bi));
> > +     printf("platform ......... %s\n", bi_get_platform(bi));
> > +     printf("processor ........ %s\n", bi_get_processor(bi));
> > +     printf("feature .......... %s\n", bi_get_feature(bi));
> > +     printf("serial ........... %s\n", bi_get_serial(bi));
> > +     printf("revision (MES) ... %s\n", bi_get_revision(bi));
> > +     printf("boot count ....... %d\n", bi_get_boot_count(bi));
> > +}
> > +
> > +__weak int read_boardinfo(board_info_t *bi)
> > +{
> > +     return -ENODATA;
> > +}
> > +
> > +board_info_t *bi_init(void)
> > +{
> > +     int ret;
> > +
> > +     memset(&board_info, 0, sizeof(board_info));
> > +
> > +     ret = read_boardinfo(&board_info);
> > +     if (ret)
> > +             goto error;
> > +
> > +     if (!bi_ckeck(&board_info)) {
> > +             ret = -EINVAL;
> > +             goto error;
> > +     }
> > +
> > +     return &board_info;
> > +
> > +error:
> > +     memset(&board_info, 0, sizeof(board_info));
> > +     return NULL;
> > +}
> > +
> > +__weak int write_boardinfo(board_info_t *bi)
> > +{
> > +     return -ENODATA;
> > +}
> > +
> > +int bi_save(board_info_t *bi)
> > +{
> > +     bi_head_t *head;
> > +     uint16_t chksum = 0;
> > +
> > +     if (bi == NULL) return -ENODATA;
> > +
> > +     head = &bi->head;
> > +     head->magic[0] = 'm';
> > +     head->magic[1] = 's';
> > +     head->magic[2] = 'c';
> > +     head->version  = BI_CALC_VER(1, 0);
> > +     bi_calc_checksum(bi, &chksum);
> > +     head->body_chksum = chksum;
> > +     head->body_off = sizeof(bi_head_t);
> > +     head->body_len = sizeof(bi_v1_0_t);
> > +
> > +     return write_boardinfo(bi);
> > +}
> > +
> > +const char* bi_get_company(const board_info_t *bi)
> > +{
> > +     if (BI_HAS_FEATURE(bi, COMPANY))
> > +             return BI_GET_BODY(bi, 1, 0).company;
> > +     return "N/A";
> > +}
> > +
> > +__weak const char* bi_get_form_factor(const board_info_t *bi)
> > +{
> > +     return "N/A";
> > +}
> > +
> > +__weak const char* bi_get_platform(const board_info_t *bi)
> > +{
> > +     return "N/A";
> > +}
> > +
> > +__weak const char* bi_get_processor(const board_info_t *bi)
> > +{
> > +     return "N/A";
> > +}
> > +
> > +const char* bi_get_feature(const board_info_t *bi)
> > +{
> > +     if (BI_HAS_FEATURE(bi, FEATURE))
> > +             return BI_GET_BODY(bi, 1, 0).feature;
> > +     return "N/A";
> > +}
> > +
> > +const char* bi_get_serial(const board_info_t *bi)
> > +{
> > +     if (BI_HAS_FEATURE(bi, SERIAL))
> > +             return BI_GET_BODY(bi, 1, 0).serial_number;
> > +     return "N/A";
> > +}
> > +
> > +const char* bi_get_revision(const board_info_t *bi)
> > +{
> > +     if (BI_HAS_FEATURE(bi, REVISION))
> > +             return BI_GET_BODY(bi, 1, 0).revision;
> > +     return "N/A";
> > +}
> > +
> > +int bi_inc_boot_count(board_info_t *bi)
> > +{
> > +     BI_GET_BODY(bi, 1 , 0).boot_count += 1;
> > +     return bi_save(bi);
> > +}
> > +
> > +uint32_t bi_get_boot_count(const board_info_t *bi)
> > +{
> > +     return BI_GET_BODY(bi, 1, 0).boot_count;
> > +}
> > diff --git a/board/avnet/common/boardinfo.h
> b/board/avnet/common/boardinfo.h
> > new file mode 100644
> > index 0000000000..131592dbcd
> > --- /dev/null
> > +++ b/board/avnet/common/boardinfo.h
> > @@ -0,0 +1,105 @@
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * Copyright 2019 AVNET
> > + */
> > +
> > +#ifndef __MSC_BOARDINFO_H__
> > +#define __MSC_BOARDINFO_H__
> > +
> > +#define BI_VER_MAJ   1
> > +#define BI_VER_MIN   0
> > +
> > +#define BI_COMPANY_LEN               3
> > +#define BI_FEATURE_LEN               8
> > +#define BI_SERIAL_LEN                11
> > +#define BI_REVISION_LEN              2
> > +
> > +#define BI_COMPANY_BIT               (1<<0)
> > +#define BI_FEATURE_BIT               (1<<1)
> > +#define BI_SERIAL_BIT                (1<<2)
> > +#define BI_REVISION_BIT              (1<<3)
> > +
> > +typedef struct bi_head {
> > +     uint8_t         magic[4];
> > +     uint8_t         version;
> > +     uint8_t         v_min;
> > +     uint16_t        body_len;
> > +     uint16_t        body_off;
> > +     uint16_t        body_chksum;
> > +     uint32_t        reserved[2];
> > +} bi_head_t;
> > +
> > +typedef struct bi_v1_0 {
> > +     uint32_t        __feature_bits;
> > +     char            company [BI_COMPANY_LEN + 1];
> > +     char            feature[BI_FEATURE_LEN + 1];
> > +     char            serial_number[BI_SERIAL_LEN + 1];
> > +     char            revision[BI_REVISION_LEN + 1];
> > +     uint32_t        boot_count;
> > +     uint16_t        reserved;
> > +} bi_v1_0_t;
> > +
> > +typedef struct board_info {
> > +     bi_head_t               head;
> > +     union {
> > +             bi_v1_0_t       v1_0;
> > +     } body;
> > +} board_info_t;
> > +
> > +#define BI_STR "Boardinfo"
> > +
> > +#define BI_CALC_VER(MAJ, MIN) \
> > +     ((MAJ)<<4 | (MIN))
> > +
> > +#define BI_VER_1_0   BI_CALC_VER     (1, 0)
> > +
> > +#define BI_HAS_FEATURE(BI, F) \
> > +     ((BI)->body.v1_0.__feature_bits & BI_##F##_BIT)
> > +
> > +#define BI_ENABLE_FEATURE(BI, F) \
> > +     do { \
> > +             (BI)->body.v1_0.__feature_bits |= BI_##F##_BIT; \
> > +     } \
> > +     while(0);
> > +
> > +#define BI_GET_BODY(BI, MAJ, MIN) \
> > +     ((BI)->body.v##MAJ##_##MIN)
> > +
> > +#define BI_PRINT(format, ...) \
> > +     do { \
> > +             printf("%s: ", BI_STR); \
> > +             printf(format, ## __VA_ARGS__); \
> > +     } \
> > +     while(0);
> > +
> > +#if defined(DEBUG)
> > +  #define BI_DEBUG(format, ...) \
> > +     do { \
> > +             printf("%s: ", BI_STR); \
> > +             printf(format, ## __VA_ARGS__); \
> > +     } \
> > +     while(0);
> > +#else /* defined(DEBUG) */
> > +  #define BI_DEBUG(format, ...)
> > +#endif /* defined(DEBUG) */
> > +
> > +board_info_t *bi_init(void);
> > +
> > +const char* bi_get_company(const board_info_t *bi);
> > +const char* bi_get_form_factor(const board_info_t *bi);
> > +const char* bi_get_platform(const board_info_t *bi);
> > +const char* bi_get_processor(const board_info_t *bi);
> > +const char* bi_get_feature(const board_info_t *bi);
> > +const char* bi_get_serial(const board_info_t *bi);
> > +const char* bi_get_revision(const board_info_t *bi);
> > +uint32_t bi_get_boot_count(const board_info_t *bi);
> > +
> > +int bi_inc_boot_count(board_info_t *bi);
> > +
> > +void bi_print(const board_info_t *bi);
> > +
> > +#if !defined(CONFIG_SPL_BUILD)
> > +     int bi_save(board_info_t *bi);
> > +#endif /* !defined(CONFIG_SPL_BUILD) */
> > +
> > +#endif /* __MSC_BOARDINFO_H__ */
> > diff --git a/board/avnet/common/i2c_eeprom.c
> b/board/avnet/common/i2c_eeprom.c
> > new file mode 100644
> > index 0000000000..98e870fd6c
> > --- /dev/null
> > +++ b/board/avnet/common/i2c_eeprom.c
> > @@ -0,0 +1,156 @@
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * Copyright 2019 AVNET
> > + */
> > +
> > +#include <common.h>
> > +#include <config.h>
> > +#include <linux/types.h>
> > +#include <linux/errno.h>
> > +#include <i2c.h>
> > +#include <command.h>
> > +#include "i2c_eeprom.h"
> > +
> > +// #define __DEBUG__
> > +
> > +#ifndef CONFIG_SYS_EEPROM_PAGE_WRITE_BITS
> > +     #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       8
> > +#endif
> > +#define      EEPROM_PAGE_SIZE        (1 <<
> CONFIG_SYS_EEPROM_PAGE_WRITE_BITS)
> > +#define      EEPROM_PAGE_OFFSET(x)   ((x) & (EEPROM_PAGE_SIZE - 1))
> > +
> > +__weak int i2c_eeprom_write_enable(const i2c_eeprom_t *eeprom, int
> state)
> > +{
> > +     return 0;
> > +}
> > +
> > +static int i2c_eeprom_addr(const i2c_eeprom_t *eeprom, unsigned offset,
> uchar *addr)
> > +{
> > +     unsigned blk_off;
> > +
> > +     blk_off = offset & 0xff;        /* block offset */
> > +
> > +     if (eeprom->alen == 1) {
> > +             addr[0] = offset >> 8;  /* block number */
> > +             addr[1] = blk_off;              /* block offset */
> > +     } else {
> > +             addr[0] = offset >> 16; /* block number */
> > +             addr[1] = offset >>  8; /* upper address octet */
> > +             addr[2] = blk_off;      /* lower address octet */
> > +     }
> > +
> > +     addr[0] |= eeprom->dev_addr;    /* insert device address */
> > +
> > +     return 0;
> > +}
> > +
> > +static int i2c_eeprom_len(const i2c_eeprom_t *eeprom, unsigned offset,
> unsigned end)
> > +{
> > +     unsigned len = end - offset;
> > +     unsigned blk_off = offset & 0xff;
> > +     unsigned maxlen = EEPROM_PAGE_SIZE - EEPROM_PAGE_OFFSET(blk_off);
> > +
> > +     if (maxlen > eeprom->rw_blk_size)
> > +             maxlen = eeprom->rw_blk_size;
> > +
> > +     if (len > maxlen)
> > +             len = maxlen;
> > +
> > +     return len;
> > +}
> > +
> > +static int i2c_eeprom_rw_block(const i2c_eeprom_t *eeprom, unsigned
> offset, uchar *addr,
> > +             uchar *buffer, unsigned len, bool read)
> > +{
> > +     int ret = 0;
> > +
> > +#if defined(CONFIG_DM_I2C)
> > +     struct udevice *dev;
> > +
> > +     ret = i2c_get_chip_for_busnum(eeprom->bus_id, addr[0],
> eeprom->alen, &dev);
> > +     if (ret) {
> > +             printf("Cannot find udev for bus %d\n", eeprom->bus_id);
> > +             return -ENODEV;
> > +     }
> > +
> > +     if (read)
> > +             ret = dm_i2c_read(dev, offset, buffer, len);
> > +     else
> > +             ret = dm_i2c_write(dev, offset, buffer, len);
> > +
> > +#else
> > +
> > +     if (read)
> > +             ret = i2c_read(addr[0], offset, eeprom->alen, buffer, len);
> > +     else
> > +             ret = i2c_write(addr[0], offset, eeprom->alen, buffer,
> len);
> > +#endif
> > +
> > +     if (ret)
> > +             ret = 1;
> > +
> > +     return ret;
> > +}
> > +
> > +static int i2c_eeprom_rw(const i2c_eeprom_t *eeprom, unsigned offset,
> uchar *buffer,
> > +     unsigned cnt, bool read)
> > +{
> > +     unsigned end = offset + cnt;
> > +     unsigned len;
> > +     int rcode = 0;
> > +     uchar addr[3];
> > +
> > +     while (offset < end) {
> > +             i2c_eeprom_addr(eeprom, offset, addr);
> > +             len = i2c_eeprom_len(eeprom, offset, end);
> > +
> > +             rcode = i2c_eeprom_rw_block(eeprom, offset, addr, buffer,
> len, read);
> > +
> > +             buffer += len;
> > +             offset += len;
> > +
> > +             if (!read)
> > +                     mdelay(eeprom->write_delay_ms);
> > +     }
> > +
> > +     return rcode;
> > +}
> > +
> > +int i2c_eeprom_read(const i2c_eeprom_t *eeprom, unsigned offset, uchar
> *buffer, unsigned cnt)
> > +{
> > +#if defined(CONFIG_SYS_I2C)
> > +     if (eeprom->bus_id >= 0)
> > +             i2c_set_bus_num(eeprom->bus_id);
> > +#endif
> > +
> > +     /*
> > +      * Read data until done or would cross a page boundary.
> > +      * We must write the address again when changing pages
> > +      * because the next page may be in a different device.
> > +      */
> > +     return i2c_eeprom_rw(eeprom, offset, buffer, cnt, 1);
> > +}
> > +
> > +int i2c_eeprom_write(const i2c_eeprom_t *eeprom, unsigned offset, uchar
> *buffer, unsigned cnt)
> > +{
> > +     int ret;
> > +
> > +
> > +#if defined(CONFIG_SYS_I2C)
> > +     if (eeprom->bus_id >= 0)
> > +             i2c_set_bus_num(eeprom->bus_id);
> > +#endif
> > +
> > +     i2c_eeprom_write_enable(eeprom, 1);
> > +
> > +     /*
> > +      * Write data until done or would cross a write page boundary.
> > +      * We must write the address again when changing pages
> > +      * because the address counter only increments within a page.
> > +      */
> > +     ret = i2c_eeprom_rw(eeprom, offset, buffer, cnt, 0);
> > +
> > +     i2c_eeprom_write_enable(eeprom, 0);
> > +
> > +     return ret;
> > +}
> > diff --git a/board/avnet/common/i2c_eeprom.h
> b/board/avnet/common/i2c_eeprom.h
> > new file mode 100644
> > index 0000000000..4dc4657f11
> > --- /dev/null
> > +++ b/board/avnet/common/i2c_eeprom.h
> > @@ -0,0 +1,19 @@
> > +#ifndef __MSC_I2C_EEPROM_H__
> > +#define __MSC_I2C_EEPROM_H__
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * Copyright 2019 AVNET
> > + */
> > +
> > +typedef struct i2c_eeprom {
> > +     unsigned        bus_id;
> > +     unsigned        dev_addr;
> > +     unsigned        alen;
> > +     unsigned        rw_blk_size;
> > +     unsigned        write_delay_ms;
> > +} i2c_eeprom_t;
> > +
> > +int i2c_eeprom_read(const i2c_eeprom_t *eeprom, unsigned offset, uchar
> *buffer, unsigned cnt);
> > +int i2c_eeprom_write(const i2c_eeprom_t *eeprom, unsigned offset, uchar
> *buffer, unsigned cnt);
> > +
> > +#endif /* __MSC_I2C_EEPROM_H__ */
> > diff --git a/board/avnet/common/mmc.c b/board/avnet/common/mmc.c
> > new file mode 100644
> > index 0000000000..380a2df35f
> > --- /dev/null
> > +++ b/board/avnet/common/mmc.c
> > @@ -0,0 +1,49 @@
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * Copyright 2019 AVNET
> > + */
> > +
> > +#include <common.h>
> > +#include <asm/arch/sys_proto.h>
> > +#include <linux/errno.h>
> > +#include <asm/io.h>
> > +#include <stdbool.h>
> > +#include <mmc.h>
> > +
> > +static int check_mmc_autodetect(void)
> > +{
> > +     char *autodetect_str = env_get("mmcautodetect");
> > +
> > +     if ((autodetect_str != NULL) &&
> > +             (strcmp(autodetect_str, "yes") == 0)) {
> > +             return 1;
> > +     }
> > +
> > +     return 0;
> > +}
> > +
> > +/* This should be defined for each board */
> > +__weak int mmc_map_to_kernel_blk(int dev_no)
> > +{
> > +     return dev_no;
> > +}
> > +
> > +void board_late_mmc_env_init(void)
> > +{
> > +     char cmd[32];
> > +     char mmcblk[32];
> > +     u32 dev_no = mmc_get_env_dev();
> > +
> > +     if (!check_mmc_autodetect())
> > +             return;
> > +
> > +     env_set_ulong("mmcdev", dev_no);
> > +
> > +     /* Set mmcblk env */
> > +     sprintf(mmcblk, "/dev/mmcblk%dp2 rootwait rw",
> > +             mmc_map_to_kernel_blk(dev_no));
> > +     env_set("mmcroot", mmcblk);
> > +
> > +     sprintf(cmd, "mmc dev %d", dev_no);
> > +     run_command(cmd, 0);
> > +}
> > diff --git a/board/avnet/common/mx8m_common.c
> b/board/avnet/common/mx8m_common.c
> > new file mode 100644
> > index 0000000000..42dddf6ae9
> > --- /dev/null
> > +++ b/board/avnet/common/mx8m_common.c
> > @@ -0,0 +1,26 @@
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * Copyright 2019 AVNET
> > + */
> > +
> > +#include <asm/arch/sys_proto.h>
> > +#include "mx8m_common.h"
> > +
> > +const char* mx8m_get_plat_str(void)
> > +{
> > +     switch (get_cpu_type()) {
> > +     case MXC_CPU_IMX8MM:
> > +             return "imx8mm";
> > +     }
> > +
> > +     return "N/A";
> > +}
> > +
> > +const char* mx8m_get_proc_str(void)
> > +{
> > +     switch (get_cpu_type()) {
> > +     case MXC_CPU_IMX8MM:
> > +             return "qc";
> > +     }
> > +     return "N/A";
> > +}
> > diff --git a/board/avnet/common/mx8m_common.h
> b/board/avnet/common/mx8m_common.h
> > new file mode 100644
> > index 0000000000..bf6e25cbc8
> > --- /dev/null
> > +++ b/board/avnet/common/mx8m_common.h
> > @@ -0,0 +1,11 @@
> > +#ifndef __MSC_MX8M_COMMON_H__
> > +#define __MSC_MX8M_COMMON_H__
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * Copyright 2019 AVNET
> > + */
> > +
> > +const char* mx8m_get_plat_str(void);
> > +const char* mx8m_get_proc_str(void);
> > +
> > +#endif /* __MSC_MX8M_COMMON_H__ */
> > diff --git a/board/avnet/imx8mm_sm2s/Kconfig
> b/board/avnet/imx8mm_sm2s/Kconfig
> > new file mode 100644
> > index 0000000000..535adb351a
> > --- /dev/null
> > +++ b/board/avnet/imx8mm_sm2s/Kconfig
> > @@ -0,0 +1,12 @@
> > +if TARGET_IMX8MM_SM2S
> > +
> > +config SYS_BOARD
> > +     default "imx8mm_sm2s"
> > +
> > +config SYS_VENDOR
> > +     default "avnet"
> > +
> > +config SYS_CONFIG_NAME
> > +     default "imx8mm_sm2s"
> > +
> > +endif
> > diff --git a/board/avnet/imx8mm_sm2s/MAINTAINERS
> b/board/avnet/imx8mm_sm2s/MAINTAINERS
> > new file mode 100644
> > index 0000000000..2dc63ae26d
> > --- /dev/null
> > +++ b/board/avnet/imx8mm_sm2s/MAINTAINERS
> > @@ -0,0 +1,7 @@
> > +i.MX8MM SM2S BOARD
> > +M:   Michael Trimarchi <michael at amarulasolutions.com>
> > +M:   Waldemar Glensk <waldemar.glensk at avnet.com>
> > +S:   Maintained
> > +F:   board/avnet/imx8mm_sm2s/
> > +F:   include/configs/imx8mm_sm2s.h
> > +F:   configs/imx8mm_sm2s_defconfig
> > diff --git a/board/avnet/imx8mm_sm2s/Makefile
> b/board/avnet/imx8mm_sm2s/Makefile
> > new file mode 100644
> > index 0000000000..56df9d79b4
> > --- /dev/null
> > +++ b/board/avnet/imx8mm_sm2s/Makefile
> > @@ -0,0 +1,12 @@
> > +#
> > +# Copyright (C) 2019 AVNET Integrated, MSC Technologies GmbH
> > +#
> > +# SPDX-License-Identifier:      GPL-2.0+
> > +#
> > +
> > +obj-y += imx8mm_sm2s.o boardinfo.o
> > +
> > +ifdef CONFIG_SPL_BUILD
> > +obj-y += spl.o
> > +obj-$(CONFIG_IMX8M_LPDDR4) +=
> lpddr4_mt53d512m32d2ds_2gib_2chn_2cs_dv1_timing.o
> > +endif
> > diff --git a/board/avnet/imx8mm_sm2s/README
> b/board/avnet/imx8mm_sm2s/README
> > new file mode 100644
> > index 0000000000..4b628b64a0
> > --- /dev/null
> > +++ b/board/avnet/imx8mm_sm2s/README
> > @@ -0,0 +1,37 @@
> > +U-Boot for the AVNET i.MX8MM SM2S board
> > +
> > +Quick Start
> > +===========
> > +- Build the ARM Trusted firmware binary
> > +- Get ddr fimware
> > +- Build U-Boot
> > +- Boot
> > +
> > +Get and Build the ARM Trusted firmware
> > +======================================
> > +Note: srctree is U-Boot source directory
> > +Get ATF from: https://source.codeaurora.org/external/imx/imx-atf
> > +branch: imx_4.19.35_1.1.0
> > +$ make PLAT=imx8mm bl31
> > +$ cp build/imx8mm/release/bl31.bin $(srctree)
> > +
> > +Get the ddr and hdmi firmware
> > +=============================
> > +$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-7.9.bin
> > +$ chmod +x firmware-imx-7.9.bin
> > +$ ./firmware-imx-7.9
> > +$ cp firmware-imx-7.9/firmware/ddr/synopsys/lpddr4*.bin $(srctree)
> > +
> > +Build U-Boot
> > +============
> > +$ export CROSS_COMPILE=aarch64-poky-linux-
> > +$ make imx8mm_sm2s_defconfig
> > +$ export ATF_LOAD_ADDR=0x920000
> > +$ make flash.bin
> > +
> > +Burn the flash.bin to MicroSD card offset 33KB
> > +$sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=33
> > +
> > +Boot
> > +====
> > +Set Boot switch to SD boot
> > diff --git a/board/avnet/imx8mm_sm2s/boardinfo.c
> b/board/avnet/imx8mm_sm2s/boardinfo.c
> > new file mode 100644
> > index 0000000000..c3c705a559
> > --- /dev/null
> > +++ b/board/avnet/imx8mm_sm2s/boardinfo.c
> > @@ -0,0 +1,52 @@
> > +/*
> > + * Copyright (C) 2019 AVNET Integrated, MSC Technologies GmbH
> > + *
> > + * This program is free software; you can redistribute it and/or
> > + * modify it under the terms of the GNU General Public License as
> > + * published by the Free Software Foundation version 2.
> > + *
> > + * This program is distributed "as is" WITHOUT ANY WARRANTY of any
> > + * kind, whether express or implied; without even the implied warranty
> > + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> > + * GNU General Public License for more details.
> > + */
> > +
> > +#include <common.h>
> > +#include <malloc.h>
> > +#include <errno.h>
> > +#include "../common/i2c_eeprom.h"
> > +#include "../common/boardinfo.h"
> > +#include "../common/mx8m_common.h"
> > +
> > +i2c_eeprom_t boardinfo_eeprom = {
> > +     .bus_id         = BI_EEPROM_I2C_BUS_ID,
> > +     .dev_addr       = BI_EEPROM_I2C_ADDR,
> > +     .alen           = 2,
> > +     .rw_blk_size    = 16,
> > +     .write_delay_ms = 5,
> > +};
> > +
> > +int read_boardinfo(board_info_t *bi)
> > +{
> > +     return i2c_eeprom_read(&boardinfo_eeprom, 0, (uint8_t*)bi,
> sizeof(*bi));
> > +}
> > +
> > +int write_boardinfo(board_info_t *bi)
> > +{
> > +     return i2c_eeprom_write(&boardinfo_eeprom, 0, (uint8_t*)bi,
> sizeof(*bi));
> > +}
> > +
> > +const char* bi_get_form_factor(const board_info_t *bi)
> > +{
> > +     return "sm2s";
> > +}
> > +
> > +const char* bi_get_platform(const board_info_t *bi)
> > +{
> > +     return mx8m_get_plat_str();
> > +}
> > +
> > +const char* bi_get_processor(const board_info_t *bi)
> > +{
> > +     return mx8m_get_proc_str();
> > +}
> > diff --git a/board/avnet/imx8mm_sm2s/ddr_timings.h
> b/board/avnet/imx8mm_sm2s/ddr_timings.h
> > new file mode 100644
> > index 0000000000..d4b39cdb27
> > --- /dev/null
> > +++ b/board/avnet/imx8mm_sm2s/ddr_timings.h
> > @@ -0,0 +1,21 @@
> > +#ifndef SM2S_IMX8MM_DDR_TIMINGS_H
> > +#define SM2S_IMX8MM_DDR_TIMINGS_H
> > +
> > +/*
> > + * Copyright (C) 2019 AVNET Integrated, MSC Technologies GmbH
> > + *
> > + * This program is free software; you can redistribute it and/or
> > + * modify it under the terms of the GNU General Public License as
> > + * published by the Free Software Foundation version 2.
> > + *
> > + * This program is distributed "as is" WITHOUT ANY WARRANTY of any
> > + * kind, whether express or implied; without even the implied warranty
> > + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> > + * GNU General Public License for more details.
> > + */
> > +
> > +extern struct dram_timing_info
> lpddr4_mt53d512m32d2ds_1gib_2chn_1cs_dv1_timing;
> > +extern struct dram_timing_info
> lpddr4_mt53d512m32d2ds_2gib_2chn_2cs_dv1_timing;
> > +extern struct dram_timing_info
> lpddr4_mt53d512m32d2ds_2gib_2chn_2cs_dv2_timing;
> > +
> > +#endif /* SM2S_IMX8MM_DDR_TIMINGS_H */
> > diff --git a/board/avnet/imx8mm_sm2s/imx8mm_sm2s.c
> b/board/avnet/imx8mm_sm2s/imx8mm_sm2s.c
> > new file mode 100644
> > index 0000000000..71c12feac9
> > --- /dev/null
> > +++ b/board/avnet/imx8mm_sm2s/imx8mm_sm2s.c
> > @@ -0,0 +1,107 @@
> > +// SPDX-License-Identifier: GPL-2.0+
> > +/*
> > + * Copyright 2020 Amarula Solutions B.V.
> > + * Copyright 2019 AVNET
> > + */
> > +
> > +#include <common.h>
> > +#include <spl.h>
> > +#include <malloc.h>
> > +#include <errno.h>
> > +#include <asm/io.h>
> > +#include <miiphy.h>
> > +#include <netdev.h>
> > +#include <asm/mach-imx/iomux-v3.h>
> > +#include <asm-generic/gpio.h>
> > +#include <fsl_esdhc.h>
> > +#include <mmc.h>
> > +#include <asm/arch/imx8mm_pins.h>
> > +#include <asm/arch/sys_proto.h>
> > +#include <asm/mach-imx/gpio.h>
> > +#include <asm/mach-imx/mxc_i2c.h>
> > +#include <asm/mach-imx/dma.h>
> > +#include <asm/arch/clock.h>
> > +#include <handoff.h>
> > +#include <bloblist.h>
> > +#include <dt-bindings/net/ti-dp83867.h>
> > +#include "../common/i2c_eeprom.h"
> > +#include "../common/boardinfo.h"
> > +#include "../common/mx8m_common.h"
> > +
> > +DECLARE_GLOBAL_DATA_PTR;
> > +
> > +const board_info_t *binfo = NULL;
> > +
> > +#define UART_PAD_CTRL        (PAD_CTL_DSE6 | PAD_CTL_FSEL1)
> > +
> > +#ifdef CONFIG_BOARD_POSTCLK_INIT
> > +int board_postclk_init(void)
> > +{
> > +     return 0;
> > +}
> > +#endif
> > +
> > +int dram_init(void)
> > +{
> > +     struct spl_handoff *ho;
> > +
> > +     ho = bloblist_find(BLOBLISTT_SPL_HANDOFF, sizeof(*ho));
> > +     if (!ho)
> > +             return log_msg_ret("Missing SPL hand-off info", -ENOENT);
> > +     handoff_load_dram_size(ho);
> > +
> > +     /* rom_pointer[1] contains the size of TEE occupies */
> > +     if (rom_pointer[1])
> > +             gd->ram_size -= rom_pointer[1];
> > +
> > +     return 0;
> > +}
> > +
> > +#ifdef CONFIG_OF_BOARD_SETUP
> > +int ft_board_setup(void *blob, bd_t *bd)
> > +{
> > +     return 0;
> > +}
> > +#endif
> > +
> > +int board_init(void)
> > +{
> > +#if !defined(CONFIG_SPL_BUILD)
> > +     binfo = bi_init();
> > +     if (binfo == NULL) {
> > +             printf("Warning: failed to initialize boardinfo!\n");
> > +     }
> > +#endif /* !defined(CONFIG_SPL_BUILD) */
> > +
> > +     return 0;
> > +}
> > +
> > +int board_mmc_get_env_dev(int devno)
> > +{
> > +     return devno;
> > +}
> > +
> > +#define ENV_FDTFILE_MAX_SIZE 64
> > +
> > +#if !defined(CONFIG_SPL_BUILD)
> > +int board_late_init(void)
> > +{
> > +     char buff[ENV_FDTFILE_MAX_SIZE];
> > +     char *fdtfile;
> > +
> > +     if (!binfo)
> > +             return 0;
> > +
> > +     fdtfile = env_get("fdt_file");
> > +     if (fdtfile)
> > +             return 0;
> > +
> > +     snprintf(buff, ENV_FDTFILE_MAX_SIZE, "%s-%s-%s-%s-%s.dtb",
> > +                     bi_get_company(binfo), bi_get_form_factor(binfo),
> > +                     bi_get_platform(binfo), bi_get_processor(binfo),
> > +                     bi_get_feature(binfo));
> > +     env_set("fdt_file", buff);
> > +
> > +     return 0;
> > +}
> > +#endif /* !defined(CONFIG_SPL_BUILD) */
> > diff --git
> a/board/avnet/imx8mm_sm2s/lpddr4_mt53d512m32d2ds_2gib_2chn_2cs_dv1_timing.c
> b/board/avnet/imx8mm_sm2s/lpddr4_mt53d512m32d2ds_2gib_2chn_2cs_dv1_timing.c
> > new file mode 100644
> > index 0000000000..9c37afeb11
> > --- /dev/null
> > +++
> b/board/avnet/imx8mm_sm2s/lpddr4_mt53d512m32d2ds_2gib_2chn_2cs_dv1_timing.c
> > @@ -0,0 +1,1846 @@
> > +/*
> > + * Copyright 2018 NXP
> > + *
> > + * SPDX-License-Identifier:  GPL-2.0+
> > + *
> > + * Generated code from MX8M_DDR_tool
> > + * Align with uboot-imx_v2018.03_4.14.78_1.0.0_ga
> > + */
> > +
> > +#include <linux/kernel.h>
> > +#include <asm/arch/ddr.h>
> > +
> > +static struct dram_cfg_param ddr_ddrc_cfg[] = {
> > +     /** Initialize DDRC registers **/
> > +     {0x3d400304, 0x1},
> > +     {0x3d400030, 0x1},
> > +     {0x3d400000, 0xa3080020},
> > +     {0x3d400020, 0x223},
> > +     {0x3d400024, 0x3a980},
> > +     {0x3d400064, 0x5b0087},
> > +     {0x3d4000d0, 0xc00305ba},
> > +     {0x3d4000d4, 0x940000},
> > +     {0x3d4000dc, 0xd4002d},
> > +     {0x3d4000e0, 0x310000},
> > +     {0x3d4000e8, 0x66004d},
> > +     {0x3d4000ec, 0x16004d},
> > +     {0x3d400100, 0x191e1920},
> > +     {0x3d400104, 0x60630},
> > +     {0x3d40010c, 0xb0b000},
> > +     {0x3d400110, 0xe04080e},
> > +     {0x3d400114, 0x2040c0c},
> > +     {0x3d400118, 0x1010007},
> > +     {0x3d40011c, 0x401},
> > +     {0x3d400130, 0x20600},
> > +     {0x3d400134, 0xc100002},
> > +     {0x3d400138, 0x8d},
> > +     {0x3d400144, 0x96004b},
> > +     {0x3d400180, 0x2ee0017},
> > +     {0x3d400184, 0x2605b8e},
> > +     {0x3d400188, 0x0},
> > +     {0x3d400190, 0x497820a},
> > +     {0x3d400194, 0x80303},
> > +     {0x3d4001b4, 0x170a},
> > +     {0x3d4001a0, 0xe0400018},
> > +     {0x3d4001a4, 0xdf00e4},
> > +     {0x3d4001a8, 0x80000000},
> > +     {0x3d4001b0, 0x11},
> > +     {0x3d4001c0, 0x1},
> > +     {0x3d4001c4, 0x0},
> > +     {0x3d4000f4, 0xc99},
> > +     {0x3d400108, 0x70e1617},
> > +     {0x3d400200, 0x16},
> > +     {0x3d40020c, 0x0},
> > +     {0x3d400210, 0x1f1f},
> > +     {0x3d400204, 0x80808},
> > +     {0x3d400214, 0x7070707},
> > +     {0x3d400218, 0xf070707},
> > +     {0x3d400250, 0x29001701},
> > +     {0x3d400254, 0x2c},
> > +     {0x3d40025c, 0x4000030},
> > +     {0x3d400264, 0x900093e7},
> > +     {0x3d40026c, 0x2005574},
> > +     {0x3d400400, 0x111},
> > +     {0x3d400408, 0x72ff},
> > +     {0x3d400494, 0x2100e07},
> > +     {0x3d400498, 0x620096},
> > +     {0x3d40049c, 0x1100e07},
> > +     {0x3d4004a0, 0xc8012c},
> > +     {0x3d402020, 0x21},
> > +     {0x3d402024, 0x7d00},
> > +     {0x3d402050, 0x20d040},
> > +     {0x3d402064, 0xc0012},
> > +     {0x3d4020dc, 0x840000},
> > +     {0x3d4020e0, 0x310000},
> > +     {0x3d4020e8, 0x66004d},
> > +     {0x3d4020ec, 0x16004d},
> > +     {0x3d402100, 0xa040305},
> > +     {0x3d402104, 0x30407},
> > +     {0x3d402108, 0x203060b},
> > +     {0x3d40210c, 0x505000},
> > +     {0x3d402110, 0x2040202},
> > +     {0x3d402114, 0x2030202},
> > +     {0x3d402118, 0x1010004},
> > +     {0x3d40211c, 0x301},
> > +     {0x3d402130, 0x20300},
> > +     {0x3d402134, 0xa100002},
> > +     {0x3d402138, 0x13},
> > +     {0x3d402144, 0x14000a},
> > +     {0x3d402180, 0x640004},
> > +     {0x3d402190, 0x3818200},
> > +     {0x3d402194, 0x80303},
> > +     {0x3d4021b4, 0x100},
> > +     {0x3d403020, 0x21},
> > +     {0x3d403024, 0x1f40},
> > +     {0x3d403050, 0x20d040},
> > +     {0x3d403064, 0x30005},
> > +     {0x3d4030dc, 0x840000},
> > +     {0x3d4030e0, 0x310000},
> > +     {0x3d4030e8, 0x66004d},
> > +     {0x3d4030ec, 0x16004d},
> > +     {0x3d403100, 0xa010102},
> > +     {0x3d403104, 0x30404},
> > +     {0x3d403108, 0x203060b},
> > +     {0x3d40310c, 0x505000},
> > +     {0x3d403110, 0x2040202},
> > +     {0x3d403114, 0x2030202},
> > +     {0x3d403118, 0x1010004},
> > +     {0x3d40311c, 0x301},
> > +     {0x3d403130, 0x20300},
> > +     {0x3d403134, 0xa100002},
> > +     {0x3d403138, 0x5},
> > +     {0x3d403144, 0x50003},
> > +     {0x3d403180, 0x190004},
> > +     {0x3d403190, 0x3818200},
> > +     {0x3d403194, 0x80303},
> > +     {0x3d4031b4, 0x100},
> > +     {0x3d400028, 0x0},
> > +};
> > +
> > +/* PHY Initialize Configuration */
> > +static struct dram_cfg_param ddr_ddrphy_cfg[] = {
> > +     {0x100a0, 0x0},
> > +     {0x100a1, 0x1},
> > +     {0x100a2, 0x2},
> > +     {0x100a3, 0x3},
> > +     {0x100a4, 0x4},
> > +     {0x100a5, 0x5},
> > +     {0x100a6, 0x6},
> > +     {0x100a7, 0x7},
> > +     {0x110a0, 0x0},
> > +     {0x110a1, 0x1},
> > +     {0x110a2, 0x3},
> > +     {0x110a3, 0x4},
> > +     {0x110a4, 0x5},
> > +     {0x110a5, 0x2},
> > +     {0x110a6, 0x7},
> > +     {0x110a7, 0x6},
> > +     {0x120a0, 0x0},
> > +     {0x120a1, 0x1},
> > +     {0x120a2, 0x3},
> > +     {0x120a3, 0x2},
> > +     {0x120a4, 0x5},
> > +     {0x120a5, 0x4},
> > +     {0x120a6, 0x7},
> > +     {0x120a7, 0x6},
> > +     {0x130a0, 0x0},
> > +     {0x130a1, 0x1},
> > +     {0x130a2, 0x2},
> > +     {0x130a3, 0x3},
> > +     {0x130a4, 0x4},
> > +     {0x130a5, 0x5},
> > +     {0x130a6, 0x6},
> > +     {0x130a7, 0x7},
> > +     {0x1005f, 0x1ff},
> > +     {0x1015f, 0x1ff},
> > +     {0x1105f, 0x1ff},
> > +     {0x1115f, 0x1ff},
> > +     {0x1205f, 0x1ff},
> > +     {0x1215f, 0x1ff},
> > +     {0x1305f, 0x1ff},
> > +     {0x1315f, 0x1ff},
> > +     {0x11005f, 0x1ff},
> > +     {0x11015f, 0x1ff},
> > +     {0x11105f, 0x1ff},
> > +     {0x11115f, 0x1ff},
> > +     {0x11205f, 0x1ff},
> > +     {0x11215f, 0x1ff},
> > +     {0x11305f, 0x1ff},
> > +     {0x11315f, 0x1ff},
> > +     {0x21005f, 0x1ff},
> > +     {0x21015f, 0x1ff},
> > +     {0x21105f, 0x1ff},
> > +     {0x21115f, 0x1ff},
> > +     {0x21205f, 0x1ff},
> > +     {0x21215f, 0x1ff},
> > +     {0x21305f, 0x1ff},
> > +     {0x21315f, 0x1ff},
> > +     {0x55, 0x1ff},
> > +     {0x1055, 0x1ff},
> > +     {0x2055, 0x1ff},
> > +     {0x3055, 0x1ff},
> > +     {0x4055, 0x1ff},
> > +     {0x5055, 0x1ff},
> > +     {0x6055, 0x1ff},
> > +     {0x7055, 0x1ff},
> > +     {0x8055, 0x1ff},
> > +     {0x9055, 0x1ff},
> > +     {0x200c5, 0x19},
> > +     {0x1200c5, 0x7},
> > +     {0x2200c5, 0x7},
> > +     {0x2002e, 0x2},
> > +     {0x12002e, 0x2},
> > +     {0x22002e, 0x2},
> > +     {0x90204, 0x0},
> > +     {0x190204, 0x0},
> > +     {0x290204, 0x0},
> > +     {0x20024, 0x1ab},
> > +     {0x2003a, 0x0},
> > +     {0x120024, 0x1ab},
> > +     {0x2003a, 0x0},
> > +     {0x220024, 0x1ab},
> > +     {0x2003a, 0x0},
> > +     {0x20056, 0x3},
> > +     {0x120056, 0xa},
> > +     {0x220056, 0xa},
> > +     {0x1004d, 0xe00},
> > +     {0x1014d, 0xe00},
> > +     {0x1104d, 0xe00},
> > +     {0x1114d, 0xe00},
> > +     {0x1204d, 0xe00},
> > +     {0x1214d, 0xe00},
> > +     {0x1304d, 0xe00},
> > +     {0x1314d, 0xe00},
> > +     {0x11004d, 0xe00},
> > +     {0x11014d, 0xe00},
> > +     {0x11104d, 0xe00},
> > +     {0x11114d, 0xe00},
> > +     {0x11204d, 0xe00},
> > +     {0x11214d, 0xe00},
> > +     {0x11304d, 0xe00},
> > +     {0x11314d, 0xe00},
> > +     {0x21004d, 0xe00},
> > +     {0x21014d, 0xe00},
> > +     {0x21104d, 0xe00},
> > +     {0x21114d, 0xe00},
> > +     {0x21204d, 0xe00},
> > +     {0x21214d, 0xe00},
> > +     {0x21304d, 0xe00},
> > +     {0x21314d, 0xe00},
> > +     {0x10049, 0xeba},
> > +     {0x10149, 0xeba},
> > +     {0x11049, 0xeba},
> > +     {0x11149, 0xeba},
> > +     {0x12049, 0xeba},
> > +     {0x12149, 0xeba},
> > +     {0x13049, 0xeba},
> > +     {0x13149, 0xeba},
> > +     {0x110049, 0xeba},
> > +     {0x110149, 0xeba},
> > +     {0x111049, 0xeba},
> > +     {0x111149, 0xeba},
> > +     {0x112049, 0xeba},
> > +     {0x112149, 0xeba},
> > +     {0x113049, 0xeba},
> > +     {0x113149, 0xeba},
> > +     {0x210049, 0xeba},
> > +     {0x210149, 0xeba},
> > +     {0x211049, 0xeba},
> > +     {0x211149, 0xeba},
> > +     {0x212049, 0xeba},
> > +     {0x212149, 0xeba},
> > +     {0x213049, 0xeba},
> > +     {0x213149, 0xeba},
> > +     {0x43, 0x63},
> > +     {0x1043, 0x63},
> > +     {0x2043, 0x63},
> > +     {0x3043, 0x63},
> > +     {0x4043, 0x63},
> > +     {0x5043, 0x63},
> > +     {0x6043, 0x63},
> > +     {0x7043, 0x63},
> > +     {0x8043, 0x63},
> > +     {0x9043, 0x63},
> > +     {0x20018, 0x3},
> > +     {0x20075, 0x4},
> > +     {0x20050, 0x0},
> > +     {0x20008, 0x2ee},
> > +     {0x120008, 0x64},
> > +     {0x220008, 0x19},
> > +     {0x20088, 0x9},
> > +     {0x200b2, 0xdc},
> > +     {0x10043, 0x5a1},
> > +     {0x10143, 0x5a1},
> > +     {0x11043, 0x5a1},
> > +     {0x11143, 0x5a1},
> > +     {0x12043, 0x5a1},
> > +     {0x12143, 0x5a1},
> > +     {0x13043, 0x5a1},
> > +     {0x13143, 0x5a1},
> > +     {0x1200b2, 0xdc},
> > +     {0x110043, 0x5a1},
> > +     {0x110143, 0x5a1},
> > +     {0x111043, 0x5a1},
> > +     {0x111143, 0x5a1},
> > +     {0x112043, 0x5a1},
> > +     {0x112143, 0x5a1},
> > +     {0x113043, 0x5a1},
> > +     {0x113143, 0x5a1},
> > +     {0x2200b2, 0xdc},
> > +     {0x210043, 0x5a1},
> > +     {0x210143, 0x5a1},
> > +     {0x211043, 0x5a1},
> > +     {0x211143, 0x5a1},
> > +     {0x212043, 0x5a1},
> > +     {0x212143, 0x5a1},
> > +     {0x213043, 0x5a1},
> > +     {0x213143, 0x5a1},
> > +     {0x200fa, 0x1},
> > +     {0x1200fa, 0x1},
> > +     {0x2200fa, 0x1},
> > +     {0x20019, 0x1},
> > +     {0x120019, 0x1},
> > +     {0x220019, 0x1},
> > +     {0x200f0, 0x660},
> > +     {0x200f1, 0x0},
> > +     {0x200f2, 0x4444},
> > +     {0x200f3, 0x8888},
> > +     {0x200f4, 0x5665},
> > +     {0x200f5, 0x0},
> > +     {0x200f6, 0x0},
> > +     {0x200f7, 0xf000},
> > +     {0x20025, 0x0},
> > +     {0x2002d, 0x0},
> > +     {0x12002d, 0x0},
> > +     {0x22002d, 0x0},
> > +     {0x200c7, 0x21},
> > +     {0x1200c7, 0x21},
> > +     {0x2200c7, 0x21},
> > +     {0x200ca, 0x24},
> > +     {0x1200ca, 0x24},
> > +     {0x2200ca, 0x24},
> > +};
> > +
> > +/* ddr phy trained csr */
> > +static struct dram_cfg_param ddr_ddrphy_trained_csr[] = {
> > +     {0x200b2, 0x0},
> > +     {0x1200b2, 0x0},
> > +     {0x2200b2, 0x0},
> > +     {0x200cb, 0x0},
> > +     {0x10043, 0x0},
> > +     {0x110043, 0x0},
> > +     {0x210043, 0x0},
> > +     {0x10143, 0x0},
> > +     {0x110143, 0x0},
> > +     {0x210143, 0x0},
> > +     {0x11043, 0x0},
> > +     {0x111043, 0x0},
> > +     {0x211043, 0x0},
> > +     {0x11143, 0x0},
> > +     {0x111143, 0x0},
> > +     {0x211143, 0x0},
> > +     {0x12043, 0x0},
> > +     {0x112043, 0x0},
> > +     {0x212043, 0x0},
> > +     {0x12143, 0x0},
> > +     {0x112143, 0x0},
> > +     {0x212143, 0x0},
> > +     {0x13043, 0x0},
> > +     {0x113043, 0x0},
> > +


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