A family of processor architectures used in many embedded applications, network and other appliances, and almost all smartphones.
1
vote
1answer
23 views
UART0 Access in AM1808 using Embedded Linux
I am trying to interface GSM module with my AM1808 processor.
I am using gcc compiler as well as UBUNTU 10.04 Lucid.
I have configured the TXD and RXD pins of UART0 but i can not access the RTS and ...
0
votes
0answers
22 views
Updates on Chrubuntu suddenly stopped working
Okay, I don't normally like asking for help, but I cannot find a way round this problem.
I installed Chrubuntu last Saturday and things worked reasonably well. I was able to update and install ...
3
votes
0answers
46 views
Exynos 5 DVFS or turning off cores in Ubuntu - Scaling frequency for one of the cores only (dual core) (cpufreq)
I was wondering if there is possible to scale only one of the cpu cores in the A15 in Exynos 5 ? I have tried using e.g cpufreq-set -c 1 -f 500MHz, but both cores are set to the same frequency. When ...
0
votes
0answers
48 views
Building and loading modules Beagle board - xM Rev C
I'm using Linux kernel 2.6.38 on Beagle board - xM Rev C and I want to build and load modules. I'm selected HID gadget as a module in menuconfig ([M] HID Gadget) but I don't know how to load g_hid.ko ...
2
votes
2answers
81 views
Correct use of TZ, date, and hwclock?
I'm working on an Buildroot developed ARM/ulibc Linux distribution for a custom board. I'm trying to understand the relationship between
If I do this, as I've seen on a few examples online:
# date ...
1
vote
0answers
62 views
Build Linux and run it (uImage) on the Beagle board - xM
I'm working on some project where I'm using the Beagle board - xM Rev C. Power supply is 5V/2A adapter. My task is porting Linux Angstrom on the board but I have some problems. I have choosen Linux ...
0
votes
1answer
63 views
Bluetooth doesn't show up, Linaro
rfkill list all
Shows:
0: fxi_c210-bt: Bluetooth
Soft blocked: no
Hard blocked: no
And hcitool dev shows nothing except:
Devices:
Bluetooth didn't work, but at some start it didn't ...
1
vote
1answer
82 views
What are all the mandatory content of the boot partition?
While studying about booting an Android on a board, I have learnt that MLO (X-loader), U-Boot and uImage are necessary to boot the Android on the board.
But I wondered that when I have come to know ...
2
votes
0answers
78 views
Why does my Pandaboard boot partition need to be vfat, and the rootfs need to be ext3 or ext4?
While booting Android on a Pandaboard, I am partitioning the SD card into two partitions, boot and root. They contain different filesystems. Why does the boot partition need to be vfat, while the ...
1
vote
0answers
62 views
Is there any ARM platform for which high resolution timers are available in mainline (unpatched) kernels?
I currently have some projects using a TS-7400 board, which has a Cirrus Logic EP9302 ARM9 processor. Some of my applications require a 1ms periodic timer, so after lots of struggling I found these ...
2
votes
1answer
102 views
Cross-compile FreeBSD package as unprivileged user
My goal is to cross-compile binaries from an amd64 FreeBSD host to an armv6 RaspberryPi FreeBSD target.
The problem I am running into is I am required to be root in order to make install, where my ...
0
votes
0answers
161 views
How to upgrade webmin or add modules on Arch Linux?
When I try to upgrade webmin, or add modules via webmin, I'm prompted with a very unhelpful "File not found" error. This seems to be on purpose, as the post-installation message
Note:
==> It is ...
0
votes
0answers
80 views
Fedora 17/18 on ARM architecture
Well I am fully aware of the packages available but sadly none of them provide what I need. Now to get things clear, I found a Korean company (Odroid x as far as I remember) which makes single board ...
3
votes
0answers
92 views
My SMDK2416 (for s3c2416) kernel works on 64MRAM but crashed on 128M
I'm currently working on embedded arm linux with smdk2416(s3c2416)
The kernel is working on the 64MRAM. Recently, I need to increase the RAM from 64M to 128MB with 64MB on bank0 and 64MB on bank1.
...
2
votes
2answers
424 views
Cross compiling expect for ARM
I have downloaded expect5.4 . I'm trying to cross compile it for ARM(PandaBoard) running stripped down version of linux.
In the initial setup of configuring , I try
Shell$ ./configure --host=ARM
...
0
votes
1answer
94 views
Is expect tool availabe for ARM platform
I need to get expect (tool for automating interactive applications) for the ARM platform. Is it a readily cross compiled to ARM and is it available? I tried googling but was unable to get the ...
0
votes
0answers
25 views
CPU scaling not working properly
I have been working on Angstrom2010.07 build all these years. I could change the value of 'scaling_governor' in this built. On changing from 'Userspace' to 'Performance' mode, the BogoMIPS value gets ...
2
votes
2answers
690 views
Linux and Android apps on ARM vs x86
There are a plethora of low-cost ARM-based mini-devices coming out (Cotton Candy, etc). Some of these are Android-only, some Linux-only, and some allow both operating systems to run.
The only issue ...
0
votes
0answers
37 views
How to create a Linux distribution for Raspberry Pi ? [duplicate]
Possible Duplicate:
How do you properly fork a Linux distro?
I'm currently working on a projet of my own which is creating a Linux distribution for the Raspberry Pi.
The fact is : It's the ...
1
vote
1answer
633 views
Can one install an armel Ubuntu package on armhf Ubuntu system?
My particular concern is about installing "coq" in Ubuntu 12.04 for Toshiba AC100 (armhf distro), which hasn't been built successfully for armhf, but is available for armel -- ...
3
votes
2answers
312 views
What difference is between ARM Debian for Raspberry PI and Ordinary debian x32/X64 for desktop?
I would like to know, how big is difference between ARM debian for Raspbery PI and x32/x64 debian for desktop.
I would like to buy in future some ARM mini pc like raspbery PI and use it as for ...
1
vote
0answers
58 views
Further clarification as to whether interuppts are disabled in top-half handler or not [closed]
Recently I came across a note in an online post that states the following:
In modern kernels, most of the differences between fast and slow interrupts have disappeared. There remains only one: ...
3
votes
0answers
82 views
Implement Java/JavaFX on ARM
I am working on ARM Linux.
I have found this link that says that JavaFX could work on ARM.
I am confused about Embedded Java SE and JavaFx ARM. Do I need to setup a JVM for those or not?
I have ...
1
vote
1answer
166 views
linux-sunxi - make failed, undefined references clk_*
I try to build uImage for linux-sunxi on a Debian box, which is prepared like this (How To Build Debian From Source Code for Mele):
apt-get install emdebian-archive-keyring
apt-get install ...
3
votes
1answer
295 views
GNU Radio prerequisite libraries on armhf
After several attempts, I have managed to compile GNURadio on the Raspberry Pi. However, I am just not able to meet the prerequisites for the gnuradio build script on the Pandaboard (Linaro 12.04) or ...
1
vote
1answer
342 views
Using NetBeans on ARM Linux?
Is it possible to run NetBeans on a ARM CPU with Linux as OS (maybe Debian) ?
I want to be clear I don't need to compile for ARM (I will use NetBeans only for PHP coding).
So the question is about ...
0
votes
0answers
95 views
Drivers for CAN controller on Colibri Eval Board (or how to write platform device driver) [closed]
Problem: I need to bring up the SJA 1000 CAN controller on the Colibri Evaluation Carrier Board v2.1 (with a Colibri T20 (NVidia Tegra) module inserted into it, which has an ARM CPU).
Research: On ...
4
votes
0answers
395 views
CLFS: Building GCC cross compiler
Currently I try to build a embedded Linux from scratch with the instructions from Cross Linux from Scratch.
Everything worked fine until I tried to compile the GCC Cross-Compiler. I want to build the ...
3
votes
1answer
931 views
How to debug Linux kernel panic?
I am trying to debug a kernel panic. Panic message says unable to handle kernel paging request for address 40025694.
At the time of panic it was executing ldreq r10, [lr, #-4] @ get SWI instruction. ...
2
votes
1answer
174 views
truecrypt 1: Syntax error: “(” unexpected
I want to use truecrypt on a Linux machine. It is CLI mode only. So I downloaded the x64 and x86 and tried or run the extracted executable file for each version (x64 & x86), but it doesn't work. ...
1
vote
1answer
251 views
Chromium browser displays blank screen
Xubuntu 11.10 oneiric armel
Asus eee pad slider sl101 nvidia-tegra 2 arm tablet
chromium browser 18.0.1025.151
Browsers which work fine are:
Midori
Epiphany
Firefox
Opening a link in ...
2
votes
1answer
2k views
How can I install Skype in Ubuntu on ARM?
I wonder how to install and use Skype in Ubuntu (12.04) on ARM architecture (my Toshiba AC100, which originally ran Android).
I suppose there must be Skype builds for Linux on ARM: for Android, and ...
2
votes
1answer
890 views
Adding ssh on embedded linux
I want to run SSH on Qtopia (on my FriendlyARM). My own distribution is Ubuntu, so I cannot copy and paste the ssh binary file into the device.
If I can copy and paste a binary file, where can I find ...
20
votes
2answers
6k views
What do the flags in /proc/cpuinfo mean?
How can I tell whether my processor has a particular feature? (64-bit instruction set, hardware-assisted virtualization, cryptographic accelerators, etc.) I know that the file /proc/cpuinfo contains ...
1
vote
1answer
245 views
How do I use pacman on a loop-mounted Arch image for a different architecture?
I would like to install some packages on an ARM image before flashing it to an SD card. So far, I have loop mounted the image
sudo mount -o loop,offset=99614720 archlinuxarm-13-06-2012.img /mnt
and ...
3
votes
0answers
293 views
Set GPIO permissions cleanly
Can the default permissions and ownership of /sys/class/gpio/ files be set, e.g. by configuring udev? The point would be to have a real gid for processes that can access GPIO pins on a board.
Most ...
6
votes
1answer
5k views
How can I chroot into a filesystem with a different architechture?
I'm trying to chroot into a Arch Linux ARM filesystem from x86_64.
I've seen that it's possible to do using static qemu by copying the binary into the chroot system:
cp /usr/bin/qemu-arm ...
0
votes
0answers
158 views
Linux on a microcontroller [closed]
If I wanted to put Linux on an ARM based microcontroller what would be the specs for a microcontroller that could run linux (ex. mmu, manufacturer, ARM Cortex family)?
2
votes
0answers
365 views
Qemu doesn't boot kernel after “Uncompressing Linux… done, booting the kernel. ”
I've compiled qemu for s5pc110 (it's from http://gitorious.org/samsung-linux-platform/qemu, somebody had added support for s5pc110), version 0.12. But when I load the kernel:
qemu-system-arm -M ...
3
votes
2answers
427 views
How do I install a device driver provided as a .bin file?
I am a new Linux user and am struggling installing a driver for a usb WiFi device I want to use on an embedded system (BeagleBone).
When I download the driver for the chipset (Ralink 2070), it is ...
10
votes
1answer
2k views
How can I test the RAM for data corruption on an ARM-based system?
I have an embedded device. It is ARM based, with Linux 2.6.31 and has 256 MB RAM.
I wanted to get some ideas/tips on what is the most effective way to test the device RAM for data corruptions. Is ...
6
votes
3answers
190 views
Can I install PHP on a Chumby One?
I'm enjoying hacking my Chumby One. However, I'd prefer if I could run PHP on it. I have perl and python installed.
Does anyone know if I can compile PHP for it or if there is a ready made distro for ...
2
votes
2answers
421 views
Joli OS on ARM devices
I didn't really know where to ask this question, so since Joli OS uses the linux kernel and they don't seem to have a forum here I go.
All the official information I could gather says it doesn't work ...
1
vote
1answer
310 views
FreeBSD on ARM architecture?
Can FreeBSD be used for ARM architecture devices? Also, is there a camera driver for FreeBSD?
6
votes
1answer
1k views
Running Debian i386 binary on Debian armel via qemu
I am trying to follow this guide:
http://www.nslu2-linux.org/wiki/HowTo/SetUpAVentriloServer
to set up a Ventrilo server on my SheevaPlug, running Debian armel. This page states that you can use ...
3
votes
0answers
322 views
Toshiba Drive Sleeping - SDPARM
My toshiba 1tb external keeps going to sleep and I can't seem to locate anything that resembles a standby parameter. Does anyone know a way to get this drive to quit sleeping? Here is the output of ...
3
votes
1answer
365 views
Is it possible to install a custom Linux on an Android phone?
I have an Xperia X8 phone, and I'd like to know if I can install a non-Android Linux OS on it?
I would like to have a light Linux Distro, like Kolibri or something like that.
1
vote
4answers
2k views
Linux distributions for ARM processors
Are there any Linux distributions (Other than Backtrack and Android) available for ARM processors?
specifically ARM 11 (SE Xperia X8)
5
votes
1answer
244 views
Embedded linux LCD not calibrated
I have attached a new LCD to my embedded Linux device and when I run the system I found that it is shifted to the right. (the display starts from the middle of the LCD)
I found 2 frame buffer drivers ...
4
votes
4answers
2k views
Linux on a tegra tablet for programming
I would like to use a tablet for some mobile programming. It would be nice to read a pdf and immediately try the code on the same device. I've found various videos and tutorials how to get Ubuntu ...
