Commit 61f15785 authored by Jörg Krause's avatar Jörg Krause Committed by Thomas Petazzoni
Browse files

docs/manual: add U-Boot configuration 



Signed-off-by: default avatarJörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
parent 1e0f7ebe

docs/manual/configure-other-components.txt

+8 −0
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@@ -50,3 +50,11 @@ kernel. The corresponding configuration variables are 
+BR2_TARGET_BAREBOX_USE_CUSTOM_CONFIG+ and

+BR2_TARGET_BAREBOX_USE_DEFCONFIG+. To open the configuration editor,

use +make barebox-menuconfig+.



U-Boot::

+

Configuration of U-Boot (version 2015.04 or newer) is done in the same

way as for the Linux kernel. The corresponding configuration variables

are +BR2_TARGET_UBOOT_USE_CUSTOM_CONFIG+ and

+BR2_TARGET_UBOOT_USE_DEFCONFIG+. To open the configuration editor,

use +make uboot-menuconfig+.

docs/manual/customize-configuration.txt

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@@ -24,8 +24,8 @@ Alternatively, you can copy the file to any other place and rebuild with 
[[customize-store-package-config]]

=== Storing the configuration of other components



The configuration files for BusyBox, the Linux kernel, Barebox and

uClibc should be stored as well if changed. For each of these

The configuration files for BusyBox, the Linux kernel, Barebox, U-Boot

and uClibc should be stored as well if changed. For each of these

components, a Buildroot configuration option exists to point to an input

configuration file, e.g. +BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE+. To store

their configuration, set these configuration options to a path where you
@@ -56,6 +56,8 @@ configuration files easier. 
  path specified by +BR2_UCLIBC_CONFIG+.

* +make barebox-update-defconfig+ saves the barebox configuration to the

  path specified by +BR2_TARGET_BAREBOX_CUSTOM_CONFIG_FILE+.

* +make uboot-update-defconfig+ saves the U-Boot configuration to the

  path specified by +BR2_TARGET_UBOOT_CUSTOM_CONFIG_FILE+.

* For at91bootstrap3, no helper exists so you have to copy the config

  file manually to +BR2_TARGET_AT91BOOTSTRAP3_CUSTOM_CONFIG_FILE+.

docs/manual/customize-quick-guide.txt

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@@ -20,6 +20,7 @@ your project can be skipped. 
   * +BR2_UCLIBC_CONFIG+

   * +BR2_TARGET_AT91BOOTSTRAP3_CUSTOM_CONFIG_FILE+

   * +BR2_TARGET_BAREBOX_CUSTOM_CONFIG_FILE+

   * +BR2_TARGET_UBOOT_CUSTOM_CONFIG_FILE+

1. Write the configuration files:

   * +make linux-update-defconfig+

   * +make busybox-update-config+
@@ -27,6 +28,7 @@ your project can be skipped. 
   * +cp <output>/build/at91bootstrap3-*/.config

     board/<manufacturer>/<boardname>/at91bootstrap3.config+

   * +make barebox-update-defconfig+

   * +make uboot-update-defconfig+

1. Create +board/<manufacturer>/<boardname>/rootfs-overlay/+ and fill it

   with additional files you need on your rootfs, e.g.

   +board/<manufacturer>/<boardname>/rootfs-overlay/etc/inittab+.

docs/manual/make-tips.txt

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@@ -34,6 +34,8 @@ some settings in the +.config+ file may hide some targets: 
  selected in the internal toolchain backend;

* +barebox-menuconfig+ and +barebox-savedefconfig+ only work when the

  +barebox+ bootloader is enabled.

* +uboot-menuconfig+ and +uboot-savedefconfig+ only work when the

  +U-Boot+ bootloader is enabled.



.Cleaning: