RZ/A1H Field Update Strategy with xipImage
I am evaluating the Renesas Starter Kit+ for RZ/A1H with the xipImage and would like to know what field update strategy is recommended. Is there an App Note / White Paper?Thank you,Phil
View ArticleRE: How to add RGA library to existing e2studio project?
I found my missing "libkpitgcc" problem. The library generator step was being passed a user-defined option that the new tools didn't understand - and I missed it because e2studio helpfully highlighted...
View ArticleRE: RZ/A1H Field Update Strategy with xipImage
This is exactly what I was looking for. Thanks.
View ArticleRE: How to add RGA library to existing e2studio project?
Success! (maybe)I'd like to be able to explain what I did to get this project to work in my environment, but it just sort of started linking at some point - and I was unable to go back and get it to...
View ArticleRE: RZA1 Power Down USB Hub
Cutting down power is more of a manual thing. You can use bind/unbind to remove the drive and then even go into low power mode if you want (or, theortically go from host to device like in on-thr-go)....
View ArticleRE: RZ/A1 RSK XIP QSPI Reprogramming Apps Partition
The issue might be that with dual spi flash, the address you pass to erase the chip is half the address you access it with (1800_0000). The reason is that in spi mode, each api flash address holds 2...
View ArticleRE: RZ/A1 RSK XIP QSPI Reprogramming Apps Partition
Thank you, it makes sense and now I can erase the partition I care about.
View ArticleRZ/A1 RSK XIP QSPI Reprogramming Apps Partition
I read the application note for reprogramming the RZ/A1 here:renesasrulz.com/.../3201.aspxI was able to build and load the qspi_flash.ko after boot. I was also able to use the qspi_app to erase both...
View ArticleRE: RZA1 Power Down USB Hub
Thanks. How can I shutdown the clock to the USB peripheral? Is there a register I can write with the "mem" command?
View ArticleRE: RZA1 Power Down USB Hub
There is a bit in a register for each peripheral. Look in the Power chaperter in the hardware manual (i don't have a manual in front of me, but it's towards the end). There is a set of registers call...
View ArticleRZA1 Power Down USB Hub
I need low power operation when connected to an external USB device with the RZ/A1. I'd like to power down the USB hub ( R8A66597 ) on boot, wait a long period of time, and then power it up again and...
View ArticleRE: RZ/A1 RSK Linux GPIO Mapping
In the BSP, there is a text file (doc/testing/gpio.txt) that explains it:https://github.com/renesas-rz/rskrza1_bsp/blob/master/doc/testing/gpio.txtHere is how to control GPIO pins from userspace. More...
View ArticleRZ/A1 RSK Linux GPIO Mapping
I'm investigating the RZ/A1 using the RSK+ and want to control an external switch with a gpio. Within Linux, nothing is exported for GPIO by default with the BSP.$ cd /sys/class/gpio/$ lsexport...
View ArticleRE: Using Qemu with RSK RZ BSP
Hi,You should read "QEMU Emulator User Documentation", especially "4.5 ARM System emulator": http://wiki.qemu.org/download/qemu-doc.html#ARM-System-emulatorTo support a particular system (board),...
View ArticleRE: Using Qemu with RSK RZ BSP
Hello Pecteilis,Thank you very much for your reply.RegardsBipin
View ArticleUsing Qemu with RSK RZ BSP
Hi,I am using repositories from https://github.com/renesas-rz to build the kernel, u-boot and root file system.Since I don't have the hardware, I use Qemu on Ubuntu 16.04 LTS to test the builds.I...
View ArticleRE: VFP usage with mbed SDK
Hi,If the "lazy" VFP initialization is enough for you, do the following before executing any VFP instructions,.(1) Enable VFP using CPACR register. (and flush prefetch buffer if necessary)(2)...
View ArticleRE: VFP usage with mbed SDK
Thanks, I think I was misinterpreting the behavior - once I hit the exception vector I assumed that there was a problem. When I saw this lazy init I continued and saw that the FP is in fact running but...
View ArticleVFP usage with mbed SDK
I have a project that is exported from mbed SDK to e2 studion (with gcc arm toolchain version 4.9.3).I am trying to adapt this to work with my own BL that is based on RZ_A1H_QSPI_LOADER. Because of...
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