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HUl_H's avatar
HUl_H
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6 years ago

Enabling FPGA2HPS Bridge in Uboot Hangs the Kernel

I am using Cyclone V SOC on De10 Nano kit. I have added Frame Reader IP in QSYS to HPS which uses FPGA2HPS bridge. I am programming FPGA via Uboot. When Uboot loads the RBF file and run "bridge_enabl...
YoshiakiS_Altera's avatar
YoshiakiS_Altera
Icon for Occasional Contributor rankOccasional Contributor
6 years ago

Please confirm rstmgr(0xffd0501c) register value after executing bridge_enable_handoff script.

Bit 2 should be ‘0’. If it is ‘1’, FPGA2HPS bridge is still reset state.

HUl_H's avatar
HUl_H
Icon for New Contributor rankNew Contributor
6 years ago

How can i read the value of HPS registers from Uboot console?

"md.1 0xffd0501c"

???