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docs/manual: add U-Boot configuration

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Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Jörg Krause 2015-07-16 21:19:05 +02:00 committed by Thomas Petazzoni
parent 1e0f7ebef9
commit 61f1578503
4 changed files with 16 additions and 2 deletions
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8
docs/manual/configure-other-components.txt
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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+.

6
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+.

2
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+.

2
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: