omap l138 sata dma engine startup problem
I'm running vxWorks on a custom l138 board design based closely to the LogicPD eval board. My code and drivers initialize a SATA drive with no problems using the eval board but the same drive and...
View Articlecannot run cl470
Hello TI, I worked for a project using OMAPL138, and take CCS3.3 as the develop tool. When i chose TMS470 Code Generation tool V5.0.1 for compilation , an error"Build error: cannot run cl470"...
View ArticleHow to config ELF format using C6RUN for OMAPL137?
Hi,Experts,I'm new to omapL1XX series board and also new to c6run. Now I have problems to set up elf format for omapl137 evm board using c6run and syslink.Here is my working procedure:1. Build Linux...
View ArticleOMAP L138 configure Memory Protection Unity over Linux
Hi,I am trying to configure MPU2 of OMAP L138 on Linux.My board have 128 MB of DDR (0xC000 0000 - 0xC800 0000) and as a first test I am try to insert a rule to protect (0xD0000000 - 0xDFFF0000)I made...
View ArticleDMA engine always busy, trying to initialize SATA drive
Hi All,I have a customer who is having trouble initializing a SATA drive on a custom L138 board. Here is what I got from the customer:"I'm running vxWorks on a custom l138 board design based closely to...
View ArticleBIOSPSP 3.001.01.00 UART Rx Error Causes Null Pointer Reference and Interrupt...
Hi, I am having trouble recovering from Rx errors in the UART driver provided in the BIOSPSP. It is operating in interrupt mode with FIFO enabled on a c6748. When the Rx error occurs, the error bits...
View ArticlePerformance of a C674x DSP core calculating Double-Precision floating point...
Single-Precision floating point calculation performance as follows: - Floating point MACs/cycle: 2 - Arithmetic Floating point operations/cycle: 6Please let me know Double-Precision floating point...
View ArticleJFFS2 errors with Linux 3.3.0
Hi,I am using Linux kernel 3.3.0 with OMAP-L138.I am also building a jffs2 rootfs using arago OE. The flash on our board is SPI1 NOR flash with an eraseblock size of 64 KB. I have generated jffs2 image...
View ArticleMcASP I2S problem
I need to use 32 bit audio signal using I2S slave mode in OMAP-L137 and OMAP-L138. input Audio Spec : 32 bit , I2S receive clock : Bit clock, Word clock from other boardI want to get I2S signal...
View ArticlePWM Interface
I want to connect 8 PWMs to my OMAP L138, could anyone plz suggest what pins to use???
View ArticleQuestion about EMAC driver for C6747 without OS
Hi, everyone.I am trying to find an EMAC driver solution for C6747 without an operating system. Because my task is designed without operating system.First, I found NDK, unfortunately it need DSP/BIOS...
View ArticleElse Path sets an Overflow Bit, without calling it...
(Please visit the site to view this file)Hi Team,i've obseve following issue on the C674x.an issue occurs in this part of code:------------------------------------------------- float flIn = gflValue;...
View ArticleAM1808 DDR2 Size increase
Hi, I am working on AM1808 processor, at present I am running my DDR2 with 64MB, I have another design which I want to increase my DDR to 128MB. What are the changes required to be done at 128MB,...
View ArticleRE: AISgen fails to configure DDR2
Hello,I'm developing a software (for bare metal, without OS) for custom board within OMAP-L138 (d800k008 ROM version). My DSP code size is ~ 600 kB and I must to load it into DDR2 during booting. But...
View Articleu-boot "reset" command hangs
Hi,I am working with OMAP-L138."reset" command of u-boot hangs. It does not reset the processor.The reset code looks like it should work (I am attaching the code which is in u-boot below). Can anybody...
View ArticleClik here to view.
Cannot set EDMA3’s IER registers even when DRAEn enabled
Hi,For EDMACC0 on L138 whose base address is 0x01c00000 according to <SPRS586C, Table 2-4. Top Level Memory Map>, even if I have set all DRAE0 bits to 1 for the ARM core, I found I still cannot...
View ArticleOMAP-L138 Unique Identifier
Is there any way to get a unique identifier from an OMAP-L138? In our application, we need to be able to identify each individual unit. One approach would be to put a serial number in non-volatile...
View ArticleOMAP-L138 MT46H128M16LFCK-6:A detection 256MB problem
Dear All,We have our own customized board where we are using omap-l138 with mDDR MT46H128M16LFCK-6:A.But we are facing a problem in proper reading of DRAM in u-boot.We are using 256MB of mDDR but we...
View ArticleBUG: Bad page state in process swapper pfn:c0569
Hello,I am using am OMAPL137 and Angstrom filesystem in SD card. When booting the kernel, the error happens from time to time. Sometimes it can successfully boot with the error, sometimes it hangs...
View ArticleUsing EDMA3 LLD with PA5
I need to use the more sophisticated DMA features of the EDMA3 LLD with PA v5. Hence I have an existing project using CCS 5.3 to generate code for the DSP on the DA830/L-137. I use XDC 3.16.2.32, IPC...
View Article