u-boot-2016.07 README文档结构

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Author：AP0904225
版权声明：本文为博主原创文章，转载请标明出处。

    阅读u-boot的README文档，可以获取很多有用的信息，例如从哪里可以获得帮助,帮助；u-boot版本命名规则，目录层次结构；软件配置，开发板初始化流程，配置选项，开发板的初始化设置，配置设置，硬件相关的配置选项；如何编译u-boot，环境变量，Image格式，Linux支持等等有关的信息。

    u-boot README文档信息主干结构不够清晰，各主题埋没在汪汪文字海洋中，因此特意整理了下u-boot EADME文档的主干结构，方便查找所需的信息。这个README是基于u-boot-2016.07版本整理的。

Summary

Status

    Where to get help

    Where to get source code

    Where we come from

    Names and Spelling

    Versioning

    Directory Hierarchy

    Software Configuration

    Selection of Processor Architecture and Board Type

    Sandbox Environment

   Board Initialisation Flow

        lowlevel_init():

         board_init_f():

         board_init_r():

    Configuration Options

        - CPU Type:
        - Board Type:
        - CPU Daughterboard Type:
        - CPU Module Type:
        - Motherboard Type:
        - Motherboard I/O Modules:
        - Motherboard Options:
          Marvell Family Member
        - 8xx CPU Options:
        - 859/866/885 CPU options:
        - 85xx CPU Options:
        - Generic CPU options:
        - Intel Monahans options:
        - MIPS CPU options:
        - ARM options:
        - Tegra SoC options:
        - Linux Kernel Interface:
        - vxWorks boot parameters:
        - Cache Configuration:
        - Cache Configuration for ARM:
        - Serial Ports:
        - Console Interface:
        - Console Baudrate:
        - Console Rx buffer length
        - Pre-Console Buffer:
        - Autoboot Command:
        - Bootcount:
        - Pre-Boot Commands:
        - Serial Download Echo Mode:
        - Kgdb Serial Baudrate:
        - Monitor Functions:
        - Removal of commands
        - Regular expression support:
        - Device tree:
        - Watchdog:
        - U-Boot Version:
        - Real-Time Clock:
        - GPIO Support:
        - I/O tracing:
        - Timestamp Support:
        - Partition Labels (disklabels) Supported:
        - IDE Reset method:
        - ATAPI Support:
        - LBA48 Support
        - SCSI Support:
        - NETWORK Support (PCI):
        - NETWORK Support (other):
        - PWM Support:
        - TPM Support:
        - USB Support:
        - USB Device:
        - ULPI Layer Support:
        - MMC Support:
        - USB Device Firmware Update (DFU) class support:
        - USB Device Android Fastboot support:
        - Journaling Flash filesystem support:
        - FAT(File Allocation Table) filesystem write function support:
        - CBFS (Coreboot Filesystem) support
        - FAT(File Allocation Table) filesystem cluster size:
        - Keyboard Support:
        - Video support:
        - LCD Support:
        - Splash Screen Support:
        - Gzip compressed BMP image support:
        - Run length encoded BMP image (RLE8) support:
        - Do compressing for memory range:
        - Do compressing for memory range:
        - MII/PHY support:
        - IP address:
        - Server IP address:
        - Gateway IP address:
        - Subnet mask:
        - Multicast TFTP Mode:
        - BOOTP Recovery Mode:
        - DHCP Advanced Options:
        - Link-local IP address negotiation:
        - CDP Options:
        - Status LED:
        - CAN Support:
        - I2C Support:
        - Legacy I2C Support:
        - SPI Support:
        - FPGA Support:
        - Configuration Management:
        - Vendor Parameter Protection:
        - Protected RAM:
        - Access to physical memory region (> 4GB)
        - Error Recovery:
        - Command Interpreter:
        - Command Line Editing and History:
        - Command Line PS1/PS2 support:
        - Default Environment:
        - Parallel Flash support:
        - DataFlash Support:
        - Serial Flash support
        - SystemACE Support:
        - TFTP Fixed UDP Port:
        - Hashing support:
        - Freescale i.MX specific commands:
        - bootcount support:
        - Show boot progress:
        - Legacy uImage format:
        - FIT uImage format:
        - legacy image format:
        - FIT image support:
        - Standalone program support:
        - Frame Buffer Address:
        - Automatic software updates via TFTP server
        - MTD Support (mtdparts command, UBI support)
        - UBI support
        - UBIFS support
        - SPL framework
        - TPL framework
        - Interrupt support (PPC):

Board initialization settings:

   Configuration Settings:

    Low Level (hardware related) configuration options:

    Freescale QE/FMAN Firmware Support:

    Freescale Layerscape Management Complex Firmware Support:

    Freescale Layerscape Debug Server Support:

    Reproducible builds

Building the Software:

    Testing of U-Boot Modifications, Ports to New Hardware, etc.

    Monitor Commands - Overview:

    Monitor Commands - Detailed Description

    Environment Variables

    Callback functions for environment variables

    Command Line Parsing

    Old, simple command line parser

    Hush shell

    General rules

    Note for Redundant Ethernet Interfaces

    Image Formats

    New uImage format (FIT)

    Old uImage format

Linux Support

Linux HOWTO

    Porting Linux to U-Boot based systems

    Configuring the Linux kernel

    Building a Linux Image

    Installing a Linux Image

    Boot Linux

    Boot Linux and pass a flat device tree

    More About U-Boot Image Types

    Booting the Linux zImage

Standalone HOWTO

Minicom warning

NetBSD Notes

Implementation Internals

    Initial Stack, Global Data

    Memory Management

    System Initialization

    U-Boot Porting Guide

    Coding Standards

    Submitting Patches

u-boot-2016.07 README文档结构

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原文地址：http://www.cnblogs.com/AP0904225/p/5811772.html