EmbeddedRelated.com

Denx Linux 2.6.19.2 and MicroSys CR825/PM827

Started by gchauvet in comp.arch.embedded15 years ago

Hi all, I use BuildRoot and Linux 2.6.19.2 (Denx kernel) on a MicroSys CR825/ PM827 board, but Linux didn't recognize my 32M flash (4...

Hi all, I use BuildRoot and Linux 2.6.19.2 (Denx kernel) on a MicroSys CR825/ PM827 board, but Linux didn't recognize my 32M flash (4 Intel 28F640C3). I have also tried the pm82x_defconfig profile but Linux crash after line "NFTL driver: nftlcore.c $Revision: 1.98 $, nftlmount.c $Revision: 1.41 $". Any ideas ? Best regards, Guillaume My Linux configuration : ===================...


AT91RM9200DK linux newbie - eth0 not there

Started by Rico in comp.arch.embedded17 years ago 1 reply

Hi, I have managed to build my 2.6.21 kernel for my AT92RM9200DK dev board but the ethernet driver is not starting for some reason. I checked...

Hi, I have managed to build my 2.6.21 kernel for my AT92RM9200DK dev board but the ethernet driver is not starting for some reason. I checked the dmesg log and found this: at91_ether: Your bootloader did not configure a MAC address. eth0: Link now 100-FullDuplex eth0: AT91 ethernet at 0xfefbc000 int=24 100-FullDuplex (00:00:00:00:00:00) eth0: Davicom 9161 PHY (Copper) My bootloader ...


Unhandled fault: external abort on non-linefetch (0x1028) at 0xd8050010xternal abort on non-linefetch (0x1028) at 0xd805001

Started by Beagle in comp.arch.embedded13 years ago

Hi all, I have been working on solving this error, which i am getting on beagle board (has arm cortex on it), from quite a few days. (1)...

Hi all, I have been working on solving this error, which i am getting on beagle board (has arm cortex on it), from quite a few days. (1) After digging to as much as i can, I found that this error message is because of a data abort exception, i am getting while i am trying to do a register read. I am using code sourcery cross compiler to compile kernel and modules for beagle board. I check...


Problem with AMD CS5536 and GPIOs / Advantech PCM 3353

Started by Rakietka in comp.arch.embedded16 years ago

Hello, For the few last days I'm struggling with AMD CS5536 Southbridge and GPIOs. It's a part of PCM 3353, a 3,5" biscuit PC by...

Hello, For the few last days I'm struggling with AMD CS5536 Southbridge and GPIOs. It's a part of PCM 3353, a 3,5" biscuit PC by Advantech (http://taiwan.advantech.com.tw/unzipfunc/unziplit.asp?Literature_ID=1-1T5E7Y - here you can take a look to datasheet) What I'm trying to do is to get GPIO running on PLD Linux with kernel 2.6.23.1. Advantech brought some drivers, but they are binary verio...


(newbie) Compiling "linux-2.4.27-vrs1-ATMEL" for a custom board..what options should i provide?

Started by Mayank Kaushik in comp.arch.embedded19 years ago 1 reply

Hi, Im an undergrad working on installing Linux on a custom development board based on the AT91RM9200 (for my senior project). Since this...

Hi, Im an undergrad working on installing Linux on a custom development board based on the AT91RM9200 (for my senior project). Since this is the first time im doing this, i decided to go for the "linux-2.4.27-vrs1-ATMEL" kernle available from the Atmel site. Incedentally, this kernel is built for the AT91RM9200-EK. But i was befuddled when it came to "make menuconfig"..what are the opti...


Buildroot 2011.11 on x86_64 - no modules are loaded at startup

Started by wzab in comp.arch.embedded12 years ago 1 reply

Hi, I compiled the buildroot-2011.11 for x86_64 platform. Unfortunately after the startup the device drivers are not loaded. I've tried to...

Hi, I compiled the buildroot-2011.11 for x86_64 platform. Unfortunately after the startup the device drivers are not loaded. I've tried to use both mdev and udev, and results are the same. I have the following settings in the kernel configuration: CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y When I load the drivers manually: eg. (on qemu-system-x86_64): #modprobe e1000 #modprobe uhci_hc...


ISP1760 problem...

Started by rameshchandra in comp.arch.embedded15 years ago

Hi all, I am trying to port isp1760 driver found in 2.6.28 kernel to my davinci(DM6446) platform. The platform has an isp1760 chip. I...

Hi all, I am trying to port isp1760 driver found in 2.6.28 kernel to my davinci(DM6446) platform. The platform has an isp1760 chip. I was sucessfully able to enumerate the Internal Hub. After the enumeration of internal hub which unlocks 3 external ports, the driver powers on all the three ports and get the port status, and submits the Interrupt IN urb to the hubs endpoint for determini...


fec problem on 8xx board

Started by Anonymous in comp.arch.embedded17 years ago 1 reply

Hi, I am porting linux 2.6 on a custom MPC8xx processor based board that uses FEC with LXT971 on the MII bus. I am not able to bring up the...

Hi, I am porting linux 2.6 on a custom MPC8xx processor based board that uses FEC with LXT971 on the MII bus. I am not able to bring up the eth0 interface. I have tried using both the drivers: 1. Generic FEC driver (FEC_ENET under arch/ppc/8xx_io/fec.c) 2. Freescale FEC driver (FS_ENET under drivers/net/fs_enet/fs_enet-main.c) I have posted the kernel log and ifconfig out...


USB 2.0 Host controller chip for Linux

Started by Steve in comp.arch.embedded16 years ago 1 reply

Hi, I have some confusion over the degree of SW/HW interaction in USB Host controllers. I have an FPGA design which runs Windriver Linux. I...

Hi, I have some confusion over the degree of SW/HW interaction in USB Host controllers. I have an FPGA design which runs Windriver Linux. I would like to add to the PCB a USB 2.0 host controller chip whose sole purpose in life is to perform everything required to get from the PHY to EHCI. I would then like to map the EHCI registers to the Linux kernel; so that I should not have to write...


abort at the end of data transfer

Started by Magda Muskala in comp.arch.embedded16 years ago 1 reply

hi, i'm using a uclinux on h8 arch. i'm running 2.4.x kernel with sctp module, developed by openss7. i'm trying to send a file through a...

hi, i'm using a uclinux on h8 arch. i'm running 2.4.x kernel with sctp module, developed by openss7. i'm trying to send a file through a sctp socket. it seems to work, but at the end i'm getting an abort chunk from the client. there is no proper shutdown. the client just send abort. the server prints an error: accept: Software caused connection abort. the client/server buffers are i.e...


Linux driver for ISP1504

Started by Anonymous in comp.arch.embedded16 years ago 2 replies

Hi everybody, I am working for a company that develops an embedded storage device based on 2GB Compact Flash. CPU type is PQ2-Pro ( MPC8349 )....

Hi everybody, I am working for a company that develops an embedded storage device based on 2GB Compact Flash. CPU type is PQ2-Pro ( MPC8349 ). The flash is connected via USB interface using PHY Philips ISP1504. The operating system is Linux 2.6.13. The Linux image is built using LTIB (Linux Target Image Builder). The problem is the following: Linux kernel does not recognize the USB CF card...


ARM9 & Wifi & webcam

Started by Mariusz Koniarz in comp.arch.embedded16 years ago 2 replies

Hello. I just had bought computer board, processor AT91SAM9260, 64MB ram, 512 MB flash & 8Gb SD card (debian,custom build kernel 2.6.23 witch...

Hello. I just had bought computer board, processor AT91SAM9260, 64MB ram, 512 MB flash & 8Gb SD card (debian,custom build kernel 2.6.23 witch patches). And I have crazy idea..... question: ndiswrapper work well under ARM9? is there any tutorial howto cross-compile&config ndiswrapper for ARM9? or wifi cards are supported natively? what wifi cards are well supported on ARM9? I w...


jffs2 corruption on busy local bus.

Started by comp.arch.embedded in comp.arch.embedded14 years ago 1 reply

Did anyone encounter something like the following: I have a system with linux accessing jffs2 nand via a busy local bus. I run into one of the...

Did anyone encounter something like the following: I have a system with linux accessing jffs2 nand via a busy local bus. I run into one of the three: random file corruption, magic bit mask 1985 not found, or kernel traps ( BUG_ON(!PageUptodate(pg)) ): ie deadlocks with page_cache_read in the garbage collector. What's keeping the local bus busy is burst mode DMA to a FIFO device. The proc...


Checking routines to Large Flash device; datapattern

Started by Klaus Vestergaard Kragelund in comp.arch.embedded20 years ago 2 replies

Hi I have this 4Mbit Flash device that is connected to a 8051 type micro. Well, I can program and read back the values fine. But I would...

Hi I have this 4Mbit Flash device that is connected to a 8051 type micro. Well, I can program and read back the values fine. But I would like to check the entire storage area of the device - also that all the addresses are programmed correctly (the bank switching and so on) My guess is to use my routines to program from address 0 to the max address (bank switching is done with kernel r...


problem with PowerPC 8260

Started by ed71 in comp.arch.embedded16 years ago 7 replies

hello all I am having this strange problem with powerpc 8260. we have a custom made board with a powerpc 8260 processor. we are ruuning it on...

hello all I am having this strange problem with powerpc 8260. we have a custom made board with a powerpc 8260 processor. we are ruuning it on 265MHZ core speed and 132Mhz CPM speed. it has SMC1 as console port and SCC2 as a 10BaseT ethernet port. we ported Linux 2.4.24 kernel to run on the board. When I put U-boot into the board everything is OK and I can (tftp) any file I want to the SDR...


More fun in Linux La-La-Land.

Started by Anonymous in comp.arch.embedded10 years ago 13 replies

This is a follow-up on the attempt to fix a single key problem: Problem: Trying to build a USB bootable drive with Wifi and GSM. One of the...

This is a follow-up on the attempt to fix a single key problem: Problem: Trying to build a USB bootable drive with Wifi and GSM. One of the Wifi driver is in the newer kernel only (3.6). However, during boot, Linux complaints about "boot drive not ready", "press a key to wait, skip or manual" to continue. The problem is in "mountall", but a "df" before "mountall" shows that the b


How to map physical address of cs8900a under linux device driver?

Started by Aimingoo in comp.arch.embedded18 years ago 2 replies

As we all know that the standard linux kernel does not allow us to access physical address of devices, so the physical address must be converted...

As we all know that the standard linux kernel does not allow us to access physical address of devices, so the physical address must be converted to virtual address before any IO operation. In my disign, the cs8900a is configured for IO mode, its bus physical address is 0x1001_0000, and its default IO base address is 0x300. Now, problem is, how can I get the virtual address of the cs8900a unde...


Synchronizing user space threads with kernel space in linux

Started by Mad...@Spammers in comp.arch.embedded20 years ago 17 replies

I want to synchronize a user space thread to an external event that generates an interrupt. I thought of using the following approach: the ISR...

I want to synchronize a user space thread to an external event that generates an interrupt. I thought of using the following approach: the ISR that treats the interrupt does a quick processing (such as data capture and buffering) and then sends data to the user space thread through a message queue or signals to the thread waiting on a semaphore and it gets the buffered data from shared memory...


serial port does not work on PC104

Started by Anonymous in comp.arch.embedded16 years ago 5 replies

Hi Everyone, I am now using a PC104 (model: nano-4386A, vendor IEI world), which will be running linux. Now I installed fedora core...

Hi Everyone, I am now using a PC104 (model: nano-4386A, vendor IEI world), which will be running linux. Now I installed fedora core 6(kernel 2.6). but COM1 does not work at all. I have installed winXP on the same hardware platform, COM1 works well. So the hardware is OK. Here is detailed info. (1) hardware configuration: NANO-4386A, Pentium 1.6GHz, Sandisk 8GB CF card, 1GB Ram...


(NewB)How to Run Threadx ?

Started by hash...@gmail.com in comp.arch.embedded19 years ago 6 replies

hello all I have the threadx rtos source for 386. havnt bought any devlopment tool yet. Is thr any way i can compile and run an app using this...

hello all I have the threadx rtos source for 386. havnt bought any devlopment tool yet. Is thr any way i can compile and run an app using this source code. Is thr anyway i can boot into the threadx kernel on my 386 machine? Please help. Is thr any link as to whr i can get the info on the same ? Are thr any devlop tools available for evaluation that run a demo app using the threadx sourc...