booting davinci omap l137 kernel on custom board - page faults
Hi all,I am working on a custom board using the AM1705. The software is based on the evmam1707 davinci eval board. I have successfully modified UBL and u-boot to run on this new board. I am currently...
View ArticleInterfacing OMAPL137 EMIF-B bus with SRAM (Static RAM) memory devices
Hi,OMAP L137 EMIFB bus support primarily SDRAM devices but i want to interface it with SRAM devices.Can anyone please suggest what is the correct Firmware configuration need to be used for interfacing...
View ArticleOMAP-L138 ARM9 cache latency
Hello,I am trying to do some performance testing on the OMAP-L138. The idea is to compare the time to hit and miss the ARM data cache. The processor clock is set to 456MHz, mDDR at 150MHz. All clocks...
View ArticleMcASP and ST-BUS
McASP and ST-BUSDear E2E community!Could I use McASP of TMS320C6747 for intefacing with ST-BUS Device?Similar to the described issue for McBSP (SPRA511B TMS320C6000 McBSP Interface to an ST-BUS Device...
View ArticleAM1808 NAND boot hanging(silicon rev 2.0)
Hi,We use custom hw which is very similar with hawkboard (AM1808, Silicon Revision 2.0, MICRON MT29F1G08ABCHC NAND, vs ).Some devices that worked well approximately 3 months don't boot(Nothing prints...
View ArticleGraphic UI on omap-l138 LCDK setup
Hi TI expertsI use omap-l138 LCDK with linux SDK on it - no problem here. What I want to do is to connect some touch-screen/Simple LCD with external keyboard (if possible) to this board and develop...
View ArticleMulticasted Video Streaming in Calixto board(OMAP-L138,AM1808B)
Hi,I want to know how the multicasted video is received and displayed using VGA port,in brief.Regards,MKSHD
View Articlebootm error - Wrong Image format, Can't get kernel image - Custom Board
Hello AllI am working on bringing up linux on a custom OMAP - L138 board and have come across certain obstacles.BACKGROUND:Network is not available on the custom board. Hence we have copied a single...
View Articleedma3_lld DSPBIOS to SYSBIOS Migration
I have an ADC driver which works on C6748. I developed it for DSPBIOS with edma3_lld 1.xx..xx. I'm migrating my application from DSPBIOS to SYSBIOS and I have stuck on EDMA. I followed the steps...
View ArticleOMAP L138 LCDK Ethernet Controller Base Address Register Access Problem
Hello,I am trying to write to the Ethernet controller registers. However, I get a data abort when trying to do so. I am using SYS/BIOS and am executing the write from within a task. The address for...
View ArticleSPI EDMA ping-pong data receiving on the DSP side
Hi All! I want to use SPI EDMA data receiving on the DSP side from external 8ch 16bit ADC. ADC indicates that data of one conversation is ready by the negative edge of BUSYpin. After the event from...
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Get started with SysLink
Hello everyone,i'm new on DSP embedded programming and i need to learn about syslink communication between the DSP and ARM processor. I tried to compile this example for TI814X target and the projects...
View ArticleConcerns on DDR2 VREF divider circuit
The OMAP-L138 data sheet recommends generating the DDR2 VREF (.9V nominal) by a resistive diveder from the 1.8V DDR2 supply. It specifies a capacitor filter array on this divider. Is there a...
View ArticleOMAP-L138 Timer Query
Hi All, I am new to this TI L138. Hope someone will able to assist me in the query below: I read from the datasheet (SPRS586H) that there are "Three 64-bit General-Purpose Timers (Each...
View ArticleQuery on OMAP L137 SDRAM configuration registers
Hi,I have few queries on OMAP L137 SDRAM configuration registers:1) SDRAM Configuration Register (SDCFG): SDREN [BIT16]The reference manual states that, when SDREN bit is reset [0],0 ---> SDRAM...
View ArticleOMAP-L138 I2c connection issues
Hi. I'm studying OMAP-L138 unit using LCDK board and StarterWare 1.10.01 and there is some examples where i2c is used(had a try Mcasp and demo project) When first time tried to use this interface - by...
View ArticleUPP WAIT Signal usage
Hi everyone,I would like to know whether the WAIT signal can be asserted by a receiver (not being the OMAP) in order to delay the starting of an UPP transfer (i.e. prior to the assertion of the ENABLE...
View ArticleOMAP-L137 and SDHC card
Hi all,we developed a target supported by an OMAP-L137 @ 216 MHz, 32 MB SDRAM, kernel Arago Linux 2.6.37.The target hosts an SDHC slot, were 16 GByte SDHC cards are arranged in three partitions,...
View ArticleEDMA Linking mode for ping-pong buffering
Hi All!I learned how to use EDMA in Linking mode. I want to receive 2048 bytes by SPI continuously into the ping-pong buffer by EDMA Linking mode. I investigated Technical Reference manual for L138...
View ArticleWill basic security increase boot image size?
Hi,We are considering using an -E version of TI L138 device. If our current code and data in binary format is already 2M bytes, would the encrypted image grow larger in size? We ask this because if the...
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