RE: RZA1 RSK Adding Device Tree Node for MMC0
> export KERNEL_PATH=~/Design/Renesas/RZ/rskrza1_bsp/output/linux-3.14/kernelI would think your kernel path is:export KERNEL_PATH=~/Design/Renesas/RZ/rskrza1_bsp/output/linux-3.14(no /kernel at the...
View ArticleRGA library: R_GRAPHICS_Initialize failing
(This is sort of a continuation of the months-old topic "How to add RGA library to existing e2studio project?", but I thought it best to start a new thread).I'm trying to use the "C" function calls in...
View ArticleRE: RZA1 RSK Adding Device Tree Node for MMC0
Here is my set-env file that does work with the RZ RSK. Chris's suggestion above for the KLIB path is probably the issue.# \\\// # -(o o)- #========================oOO==(_)==OOo=======================#...
View ArticleRE: Linaro Toolchain
It looks like Linaro moved old releases under an "/archive" directory. That's annoying!So now the new path is:releases.linaro.org/.../gcc-linaro-arm-linux-gnueabihf-4.9-2014.09_linux.tar.xzTry this:...
View ArticleRE: RZA1 qspi_app kernel NULL pointer dereference with large files
> I figured out how to modify the u-boot environment variables from Linux userspace> and now I am trying to write a Linux Kernel image to a difference location in flash so> that I can perform...
View ArticleRZA1 qspi_app kernel NULL pointer dereference with large files
I'm successfully using the renesas qspi_app and qspi kernel module to write small files ( severl kb ) to the QSPI flash on the RZA1 RSK while running an XIP Kernel. I am using the "single" qspi...
View ArticleRE: Linaro Toolchain
A patch to fix this issue has been pushed into the github repository:github.com/.../6b581c3fa1
View ArticleRE: RZA1 qspi_app kernel NULL pointer dereference with large files
Thanks for the info, Chris.I tried erasing the entire flash region prior to flashing, but I still sporadically see the kernel panics. It fails probably 80% of the time but sometimes works fine. I also...
View ArticleRE: RZA1 qspi_app kernel NULL pointer dereference with large files
Thanks for the test script. I'll give it a try...but not until I cleans some other things off my plate first.> I think the L2 cache flushing is something I need. Can you shed some light on how to do...
View ArticleRE: RZA1 qspi_app kernel NULL pointer dereference with large files
Hi Chris - thanks for the information. It works! I've run my test script 100 times successfully erasing / writing / and reading back the Kernel.Ā I added the following on line 688 of the driver:static...
View ArticleRE: RZA1 qspi_app kernel NULL pointer dereference with large files
Great! Thanks for testing. I'll go and push those changes to the rza1_qspi_flash and kernel repos.Now....the next step for me was to change that driver from being a module to being a static kernel...
View ArticleRE: RZA1 qspi_app kernel NULL pointer dereference with large files
For me, it seems I didn't need to make the modification to 'glue-cache.h' in the kernel. Just adding the #include and flush_cache_all() seemed to work.
View ArticleRE: Can't get I2C to work
Nils, Could you please send me exact command used to set "Port Bidirectional Control Register"? I am facing same problem as mentioned in this case.
View ArticleCan't get I2C to work
Hi,I am trying to control a digital pot via I2C, but I can't get it to work. I have added the code for initialization and transmission below. The clock for I2C channel 1 is enabled and the SCL and SDA...
View ArticleRZG1E internal eMMC card read speed.
Hi All,RZG1E has 8GB eMMC chip MTFC8GLWDQ-3M AIT Z .Can anyone please letme know max read speed of this eMMC.I am getting only 20 MBpsĀ read speed.Thanks,Tushar
View ArticleRZA1 Unique Chip Value
Hi,Is there a unique value per chip ( processor ID / Serial ) for the RZA1?I looked in /proc/cpuinfo and the Serial string is all zeros. I also tried searching the hardware manual for "unique",...
View ArticleRE: XIP Linux max rom size?
> Is there a maximum ROM size that can be configured with XIP Linux on RZ / A1M?64MB is the XIP Window size per unit.There are 2 units on in the RZ/A1M (64MB x 2 = 128MB)...but usually not one using...
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