Linux kernel : disabling ethernet
Hi all,my hardware hasn't got Ethernet, how can disable it ?In menuconfig I unflagged Networking Support, but during the kernel boot I see :...Starting Network...ip: socket: Function not implementedip:...
View ArticleRZ/T1: Instruction cache activation
Hello, On RZ/T1 how do I activate the instruction cache for the Instruction RAM? The bits SCTLR.I and SCTLR.C are set to 1. If I then activate the cache in the MPU (DRACR) for that region, I get...
View ArticleEgalax I2C touchscreen porting
Hi Chris, we need to port the touchscreen Egalax I2C driver on our board with Renesas RZ.We have the driver of the manufacturer and we have to modify it.Do you have any suggestions?We have noticed...
View ArticleRZ/A1H flash compatibility
Hi, someone can confirm that the RZ/A1H is incompatible with some kind of flash memory?For example Macronix MX25L25735F, this incompatibility is caused by the mode that RZ read the flash at boot, with...
View ArticleRZ A1H UVC Device - Problem with control transfers
I am currently evaluating GR Peach kit to make RZ/A1H to work as UVC device. We have evaluated few USB device examples and are trying to port it now for UVC. Currently, we modified the code and we...
View ArticleRZ/A1L i2C Bus Sometimes Locks Up in Linux - Possible to Reset?
We are running Linux 3.14 on an RZ/A1L-based custom board. The board is designed to be power-cycled periodically by a micro controller to save on battery. It boots up, does it's thing, and shuts down...
View ArticlePWM buzzer for RZ
Hi all, has anyone used a PWM buzzer driver on RZ with Linux?Do you have Any suggestions?ThanksS.
View ArticleUVC camera on RZ/G1M
I am working on RZ/G1M board (Yocto-1.6.1 (Daisy)). I made UVC driver up and my device is getting detected. But when trying to stream Live video I am just getting blue screen on Display connected via...
View Articlelinux EEPROM probe failure
Hello,I'm using an EEPROM 24AA128 (16Kbytes & 64 bytes/page) 7-bit address is 0x51I'm getting an error at startupHere's my bootlog :i2c /dev entries driveri2c-riic i2c-riic.0: version 2013-04-19:...
View ArticleDoes Video Input have an Alpha Blend option?
I'm using the "vdc5_vdec_smp1" sample from the CMSIS BSP app note on the RSK board. I've modified it to support digital input using the 16-bit YCbCr422 format.My code works mostly as expected - but...
View ArticleUSB WiFi adapter on RZ/G1M board
Hello,I am working on Renesas RZ/G1M board (Yacto1.6 Daisy). I worte a recipe for rtl88121u module and I am able to compile module and insmod without any errors.ifconfig is listing wlan0 interface but...
View ArticleGtk-WARNING **: Cannot open Display: 0 in Weston image
I have appended uvcvideo drivers with weston image ,but when i run a basic program in python using OpenCV to capture a video I get this Warning(Frame:657)Gtk-WARNING **: Cannot open Display: 0 I used...
View ArticleNot able stream video using UVC webcam on RZ/G1M board
HelloI am working on RZ/G1M board. I made UVC drivre up and my device is getting detected. But when trying to stream Live video I am just getting blue screen on Screen connected via HDMI. Following is...
View ArticleRZA1L Watchdog Timer Example
I am trying to do a software reset via watchdog timer. I know how to do it via the 3 registers that are defined in the hardware manual.Is there a particular library file I need to include?I've seen...
View Articledhcp client issue with XIP kernel
Hello, I'm using a custom board with a RZ/A1H, 3.14 XIP kernel.I would like to get my IP address over dhcp when I require it using the commanddhclient -v eth0 Internet Systems Consortium DHCP Client...
View ArticleBuffer issue while using gstreamer
When I tried using gstreamer to record video using gstreamer connected to a usb camera ,it gives me following errorThe command I used is "gst-launch-1.0 v4l2src device=/dev/video11 ! waylandsink...
View ArticleRZ/A1L SCI with FIFO Transmit interrupt
I am using SCI interface with FIFO for RZ/A1L micro processor.Could anyone provide sample code for initialisation, and interrupt handling code. Actually, I am not understanding the interrupt clearing...
View ArticleRZ/A1L TXI interrupt handling for SCI with FIFO
Could anybody provide a sample code for handling TXI interrupt?I am able to set the registers properly and Receive and transmit data correctly. but not sure how to handle the TXI interrupt.At the time...
View Articlekernel trace on boot for yacto-2.0
Hello,I have built Yacto-2.0 (Jethro) for RZ/G1M board. Board is coming up fine but got some kernel traces and not able to bring up display. With Yacto-1.6(Daisy) everything worked fine with same board...
View ArticleRZ/G1E u-boot programming using JTAG
I need to download u-boot to QSPI memory using JTAG, I am using RZG1E based board. Does anyone know how to flash u-boot using JTAG
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