Freescale Semiconductor I.MX 6SoloLite Linux Manuale utente

i.MX 6SoloLite EVK Linux User's

Guide

Document Number: IMX6SLLXUGEVK

Rev L3.0.35_4.1.0, 09/2013

i.MX 6SoloLite EVK Linux User's Guide, Rev. L3.0.35_4.1.0, 09/2013

2 Freescale Semiconductor, Inc.

Contents

Section number Title Page

Chapter 1

About This Book

1.1 Audience.........................................................................................................................................................................5

Chapter 2

Introduction

2.1 Boot Loader....................................................................................................................................................................7

2.2 Linux Kernel Image........................................................................................................................................................7

2.3 Gnome Mobile Root File System...................................................................................................................................7

Chapter 3

Building the Linux Platform

3.1 Setting Up the Linux Host..............................................................................................................................................9

3.2 Installing and Building LTIB..........................................................................................................................................9

3.3 Setting rootfs for NFS.....................................................................................................................................................10

3.4 Copying Images to TFTP Server....................................................................................................................................11

3.5 How to Generate No-Padding U-Boot............................................................................................................................12

3.6 How to Generate uImage from a zImage........................................................................................................................12

3.7 How to Build U-Boot and Kernel in Standalone Environment......................................................................................12

3.8 Building Manufacturing Firmware.................................................................................................................................13

Chapter 4

How to Boot the i.MX 6SoloLite EVK Board

4.1 How to Enter Serial Download Mode for MFGTool......................................................................................................15

4.2 How to Boot from SD Card from Slot2..........................................................................................................................15

4.3 How to Boot From eMMC4.4.........................................................................................................................................15

4.4 How to Boot from SPI-NOR...........................................................................................................................................16

Chapter 5

Flash Memory Map

5.1 MMC/SD Memory Map.................................................................................................................................................17

i.MX 6SoloLite EVK Linux User's Guide, Rev. L3.0.35_4.1.0, 09/2013

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Section number Title Page

Chapter 6

Downloading Images by Using MFGTool

6.1 Installing the MFGTool..................................................................................................................................................19

6.2 Usage...............................................................................................................................................................................19

Chapter 7

Downloading Images by Bootloader or NFS

7.1 Setting Up the Terminal .................................................................................................................................................23

7.2 Downloading Images by U-Boot....................................................................................................................................23

7.2.1 MMC/SD on SD1...............................................................................................................................................24

7.3 U-Boot Configurations....................................................................................................................................................25

7.4 Using i.MX 6SoloLite EVK Board as Host Server to Create rootfs..............................................................................25

Chapter 8

Using a Linux Host to Set Up an SD/MMC Card

8.1 Requirements..................................................................................................................................................................27

8.2 Copying the Boot Loader Image.....................................................................................................................................28

8.3 Copying the Kernel Image..............................................................................................................................................28

8.4 Copying the Root File System (rootfs)...........................................................................................................................28

Chapter 9

Running the Image on the Target

9.1 Running the Image from NFS.........................................................................................................................................31

9.2 Running the Image from MMC/SD................................................................................................................................31

Chapter 10

Frequently Asked Questions

10.1 How to Fuse in U-Boot...................................................................................................................................................33

10.2 How to Use L2 Cache as IRAM.....................................................................................................................................33

10.2.1 Demo on i.MX 6SL Board.................................................................................................................................34

10.3 How to Enable Secure Boot............................................................................................................................................34

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Chapter 1

About This Book

1.1 Audience

This information is intended for software, hardware, and system engineers who are

planning to use the product, and for anyone who wants to understand more about the

product.

i.MX 6SoloLite EVK Linux User's Guide, Rev. L3.0.35_4.1.0, 09/2013

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Audience

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6 Freescale Semiconductor, Inc.

Chapter 2

Introduction

The i.MX 6SoloLite EVK Linux BSP is a collection of binary, source code, and support

files that can be used to create U-Boot boot loader, Linux kernel image, and a root file

system for i.MX 6SoloLite EVK development systems .

2.1 Boot Loader

The i.MX 6SoloLite EVK Linux delivery package contains the following U-Boot

bootloader binary:

L3.0.35_4.1.0_130816_images_MX6S/u-boot-mx6sl-evk.bin

This bootloader supports SD/MMC, eMMC4.3, eMMC4.4, eMMC4.41, SPI-NOR

2.2 Linux Kernel Image

This Freescale i.MX BSP contains a pre-built kernel image based on the 3.0.35 version of

the Linux kernel. The i.MX 6SoloLite EVK kernel image is located at the following path:

L3.0.35_4.1.0_130816_images_MX6S/uImage

2.3 Gnome Mobile Root File System

The root file system package provides busybox, common libraries, and other fundamental

elements.

The i.MX 6SoloLite EVK BSP package contains the following rootfs file system:

L3.0.35_4.1.0_130816_images_MX6S/rootfs.ext2.gz

i.MX 6SoloLite EVK Linux User's Guide, Rev. L3.0.35_4.1.0, 09/2013

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The rootfs.ext2.gz file system includes Freescale specific libraries and gnome GUI. It can

be mounted as NFS (see Setting rootfs for NFS), or its contents can be stored on a boot

media such as Secure Digital (SD) card.

Gnome Mobile Root File System

i.MX 6SoloLite EVK Linux User's Guide, Rev. L3.0.35_4.1.0, 09/2013

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Chapter 3

Building the Linux Platform

This chapter explains how to set up the build environment, install and build LTIB, set the

rootfs for NFS, and set up the host environment.

Note that not all of the steps are required for every boot mode. The only required steps

are in Setting Up the Linux Host and Installing and Building LTIB.

3.1 Setting Up the Linux Host

See the Setting Up a Linux Host for LTIB Builds on Ubuntu 9.04 document included in

the release package to set up the Linux host server.

NOTE

The following new packages are needed for this release:

• asciidoc

• texlive-latex-base

• dblatex xutils-dev

For more details, see Setting Up a Linux Host for LTIB Builds

on Ubuntu 9.04.

3.2 Installing and Building LTIB

NOTE

To run LTIB, some host packages are needed. If any error

related to a host package is raised, install the host package.

1. Remove all previously-installed packages from /opt/freescale/pkgs/.

2. Install the LTIB package, not as root, in a location such as /home/user/:

tar zxvf L3.0.35_4.1.0_130816_source.tar.gz

i.MX 6SoloLite EVK Linux User's Guide, Rev. L3.0.35_4.1.0, 09/2013

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./L3.0.35_4.1.0_130816_source/install

This command installs LTIB to your directory.

3. Build LTIB:

cd <LTIB directory>

./ltib -m config

4. Select platform to Freescale i.MX reference boards and exit, saving the changes.

At the next menu, select platform type as imx6s and package profile. Exit and save

the new configuration. Only the profiles of Min profile, FSL gnome release

packages, and mfg firmware profile pass build tests.

NOTE

You can use the ./ltib -m selectype command to change the

profile after the first selection.

5. To build U-Boot for i.MX 6SoloLite EVK board, select "Choose your board for U-

Boot" as "mx6sl_evk". Please note this option is only for U-Boot. For the kernel

image, the current default kernel configuration builds a single image that works for

all i.MX 6 boards except i.MX 6SoloLite boards. i.MX 6SoloLite boards use 'MX6S'

--- Choose your board

board (mx6sl_evk) --->

7. Close the configuration screen to save the changes.

8. Run the following command:

./ltib

When this procedure is completed, the kernel image and the U-Boot images are

located at: rootfs/boot/

9. Some other useful LTIB commands are:

./ltib -help

/* List the packages in LTIB */

./ltib –m listpkgs

/* Get the source code of one package. The source code will be extracted to <ltib folder>/

rpm/BUILD/ */

./ltib -m prep -p <package name>

/* This command is used to build the source code of <package name>. If you modify the source

code, you can rebuild the source code by this command */

./ltib -m scbuild -p <package name>

/* Install one package to rootfs */

./ltib -m scdeploy -p <package name>

Setting rootfs for NFS

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