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This version is outdated by a newer approved version.DiffThis version (01 Feb 2018 15:46) was approved by Alexandru Ardelean.The Previously approved version (01 Feb 2018 15:36) is available.Diff

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Table of Contents

Build Linux - Step by Step Instructions

Get Linux Kernel Source

user@pc:~/nios2$ git clone https://github.com/analogdevicesinc/linux.git
Cloning into 'linux'...
remote: Counting objects: 4331580, done.
remote: Compressing objects: 100% (23/23), done.
remote: Total 4331580 (delta 10), reused 5 (delta 5), pack-reused 4331552
Receiving objects: 100% (4331580/4331580), 1.27 GiB | 1.88 MiB/s, done.
Resolving deltas: 100% (3598928/3598928), done.
Checking connectivity... done.
Checking out files: 100% (49759/49759), done.
user@pc:~/nios2$

Checkout Corresponding Branch

user@pc:~/nios2$ cd linux/
user@pc:~/nios2/linux$ git checkout altera_4.9
Branch altera_4.9 set up to track remote branch altera_4.9 from origin.
Switched to a new branch 'altera_4.9'
user@pc:~/nios2/linux$

Get Root Filesystem

user@pc:~/nios2/linux$ wget http://wiki.analog.com/_media/resources/tools-software/linux-drivers/platforms/nios2/rootfs_nios2.cpio.gz -P arch/nios2/boot/rootfs.cpio.gz
--2015-07-21 09:30:19--  http://wiki.analog.com/_media/resources/tools-software/linux-drivers/platforms/nios2/rootfs_nios2.cpio.gz
Resolving wiki.analog.com (wiki.analog.com)... 195.170.124.184
Connecting to wiki.analog.com (wiki.analog.com)|195.170.124.184|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2786418 (2.7M) [application/octet-stream]
Saving to: ‘arch/nios2/boot/rootfs.cpio.gz’

arch/nios2/boot/rootfs.cpi 100%[=========================================>]   2.66M   111KB/s   in 20s

2015-07-21 09:30:40 (134 KB/s) - ‘arch/nios2/boot/rootfs.cpio.gz’ saved [2786418/2786418]

user@pc:~/nios2/linux$

Set Environmental Variables

user@pc:~/nios2/linux$ export ARCH=nios2
user@pc:~/nios2/linux$ export CROSS_COMPILE=~/nios2/tools/bin/nios2-linux-gnu-
user@pc:~/nios2/linux$

Configure Kernel for Nios2 Platforms

user@pc:~/nios2/linux$ make adi_nios2_defconfig
#
# configuration written to .config
#
user@pc:~/nios2/linux$

Copy Corresponding Devicetree

your_setup.dts is a generic file name - it should be replaced by the desired devicetree file name.

Valid options: a5gt_fmcjesdadc1.dts , a10gx_daq2.dts , a10gx_daq3.dts 

user@pc:~/nios2/linux$ cp arch/nios2/boot/dts/your_setup.dts arch/nios2/boot/devicetree.dts
user@pc:~/nios2/linux$

Build Kernel

user@pc:~/nios2/linux$ make zImage
scripts/kconfig/conf --silentoldconfig Kconfig
  CHK     include/config/kernel.release
  WRAP    arch/nios2/include/generated/asm/atomic.h
.......
  LD      arch/nios2/boot/compressed/vmlinux
  OBJCOPY arch/nios2/boot/zImage
Kernel: arch/nios2/boot/zImage is ready
user@pc:~/nios2/linux$
resources/tools-software/linux-build/generic/nios2.1517496410.txt.gz · Last modified: 01 Feb 2018 15:46 by Alexandru Ardelean

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