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Altera_Forum
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10 years ago

Arria 10 sw warm and cold reset does not work

When i issue a reset in uboot or a reboot in linux, the hps seems to hang/stall but doesn't reset. When i write a 0x01, 0x02 or 0x03 into the i_rst_mgr_rstmgr register at addr 0xFFD0500C, i have t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Hi, did you find a solution to this reset problem? We have the same problem, when issuing reset from u-boot, HPS hangs. (Dev kits are working - With and without any firmware). We are looking into the HPS handover to see if there is a register maybe to enable? Could not find anything yet. So now i am of the opinion that there maybe a problem in the PCB layout, e.g. Is there a hard reset output which i need to feedback to a hard input? We are using Cyclone V SOC. Thanks