Questions tagged [fpga]
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21 questions
0 votes
0 answers
44 views
DE1-SOC 5CSEMA5F31 isn't detected in Quartus Program Device
I'm having trouble programming my DE1-SoC from the Quartus Programmer. The board is powered and connected correctly and I've managed to find and program it before, multiple times, but even then ...
- 11
1 vote
0 answers
52 views
What is needed to enable RPMsg IPC on SoC
I am working with an Intel SoC with a Hard Processor System (HPS), an Arm 64 core, and an FPGA fabric with a Nios soft processor. I would like to implement message passing between these two processors ...
- 11
0 votes
1 answer
318 views
Failing to install cvxpy.py on Ubuntu 22.04.3 LTS, on Zynq UltraScale+ MPSoC based SOM ARM Cortex-A53 4 core processor
I was barely able after much effort to get this to install 9 or so months ago, now it doesn't install on the same platform with a new update/upgrade. Here's the software version info: ubuntu@BDv4-...
- 11
0 votes
0 answers
51 views
Is it possible to partially virtualize the physical address space?
I'm currently working on systems that include FPGAs. We've various IP cores that support the AXI-Bus. To communicate with the IP cores of PL (programable logic), we need to map them onto the address ...
- 139
1 vote
0 answers
209 views
PCI-Express device refuses to wake up from D3
I’m working with a fpga expansion card (pci-e connected; terasic de10 pro). My problem is whenever I don’t use the card for a couple of minutes it stops completely and only a complete shutdown can ...
- 11
3 votes
0 answers
2k views
Bus error when access nonaligned memory on zynq
EDIT: Is there a better stackexchange site I should put this on? I am trying use the DDR4 connected to the FPGA side of a zynq ultrascale chip, specifically on Xilinx's devboard zcu102. I am using ...
- 154
1 vote
0 answers
374 views
Share aarch64 page tables created by Linux with SMMU [closed]
I am currently working on creating a shared virtual address space in Linux arm64 on a Xilinx Zynq Ultrascale+ board. In the future it should be possible to share pointers/addresses between the Cortex ...
- 19
1 vote
1 answer
3k views
Linux freezes when accessing io memory on an Xilinx ARM SoC
I am trying to read FPGA memory on a Xilinx Zynq board (zc702) as part of porting an RTEMS driver to Linux. I am using the devmem2 and mmap_test programs that I cross-compile for the board using the ...
- 201