Forum Post: RE: AM335x data lost if enable UART1 EDMA
Hi Yu,The Linux UART driver is a char driver and DMA is not supported. See on page 5 in this link:...
View ArticleForum Post: RE: How to import my application to the GUI from TI
Thank you so much, that's i want: ).
View ArticleForum Post: RE: MMC: block number 0x100 exceeds max(0x0)
Hi Adam,There obviously is a bug with this version of U-Boot. Did you try the U-Boot from the commit id suggested at the bottom of the link you posted?My suggestion is to use a known stable version of...
View ArticleForum Post: RE: AM335x resistive touch screen driver rework
If you do not set penfilterms, it defaults to 100ms. I do NOT think that this is the cause of your problems.Please look into touchscreen calibration.In my board file, initialisation of TS data...
View ArticleForum Post: RE: ethercat_slave FREERUN+DC
I want to configure the ethercat stack to be FreeRun Mode(#define AL_EVENT_ENABLED 0) and DC mode (#define DC_SUPPORTED 1), but slave seems can not to trans to OP mode.
View ArticleForum Post: RE: AM335x resistive touch screen driver rework
I appreciate all your responses though I cannot get this to work on my EVM. I may refer back to this post for some ideas (there were many good ones!) though as of now I am not going to attempt to...
View ArticleForum Post: RE: eMMc partitioning question
Thank you Miroslav - this basically solves our problem.-Jake
View ArticleForum Post: RE: Access PRU in AM437X
Hi Yuvaraj,What is the value of the PRCM_RM_PER_RSTCTRL register (address 0x44DF0810)? Is the PRU-ICSS in reset?CCS includes a gel script for initializing the AM437x PRU-ICSS. The initialization...
View ArticleForum Post: RE: AM335x CPSW port mirroring
Done some more digging.In April 2012 Mugunthan (a TI employee at the time - possibly still) says that CPSW doesn't support this feature (at least on TI814X). On being pressed further, it seems like...
View ArticleForum Post: RE: MDIO_DATA vs pr1_MDIO_DATA
Hi Ross,The PRU-ICSS subsystem includes, besides others (AM335X TRM Rev. K section 4.1.1):• One Ethernet MII_RT module with two MII ports and configurable connections to PRUs• One MDIO PortThese are...
View ArticleForum Post: RE: EVM_SK - Suspend and Resume issues
Hi Jake,Which Linux version are you running?
View ArticleForum Post: About using qt serialport on kernel from sdk
Hi : I am using the latest sdk named “AM335xSDK__07_00_00_00” and now I can build my own qt application on my target board. But I need to use serialport for need, I tried to implement...
View ArticleForum Post: RE: SPI read timeout
Hello Biser,The wiki you've send me is about the kernel, since I'm still on the bootloader I can't really use it right now. I read it though, hoping that it would give me some pointers. I've also read...
View ArticleForum Post: RE: Unable to run the example of generic-buffer.c for ADC on BBB
Hi Harsha,Continuous capture mode is not supported in the 3.12 kernel (SDK v7). Check the known ADC issues for SDK v7 here: http://processors.wiki.ti.com/index.php/Sitara_Linux_SDK_ADCBest...
View ArticleForum Post: RE: am335x irda mode in Linux
Hi Miroslav!Thank you for your advice. I know function write() and can use it.But why every user who need use IrDA mode in am335x family should modify TI serial driver yourself?Is it good idea?I found...
View ArticleForum Post: RE: Am335x booting , did not detect the mmc1(emmc)
I made a custom BBB too and I had the same problem.Did you had the EEPROM ? The device tree overlay is loaded by U-boot depending on what's written in the EEPROM.If you use a newer kernel, the EEPROM...
View ArticleForum Post: RE: SDMA transfer from NAND flash in AM3517
Hi Michi,What software is running on this system?
View ArticleForum Post: RE: Linux boot / Ethernet PHY adjusting
Hi all,In my case initially ethernet works on PHY Address 0 but in very rare scenario sometimes PHY address comes at 2.My question is how to support for address 0 as well as Address 2 ? means whenever...
View ArticleForum Post: RE: how to install user build linux kernel modules on SD-Card
Hi Sujata,Please read and follow this guide: http://processors.wiki.ti.com/index.php/Linux_Kernel_Users_GuideBest regards,Miroslav
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