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FabianL
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10 months ago

Arria 10: Remote Update may brick FPGA and Factory Fallback won't work

Hello, we have observed some critical failures when doing tests with various potential error scenarios concerning a remote Update of the FPGA bitstream in the attached SPI Flash device. We could re...
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FabianL's avatar
FabianL
Icon for Occasional Contributor rankOccasional Contributor
8 months ago

Hi Xiaoyan,

  1. Yes I verified the RU_PAGE_SELECT and it is set correctly.
  2. Our settings are close to yours, but slightly different. We use these settings in the factory load which we load after Power-up

Register Bame

Address offset

Write value

RU_WATCHDOG_ENABLE

0x2

1

Only written in Factory Load (Application load does not write this register)

RU_WATCHDOG_TIMEOUT

0x1

FFF

RU_PAGE_SELECT

0x3

01E28000 (refer to the start address when they generate the .jic file)

RU_CTL_NUPDT

0x7

1

we do not write this register

RU_CONFIGURATION_MODE

0x4

1

RU_RECONFIG

0x6

1

to trigger reconfiguration

best regards

Fabian