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I'm having some problems getting my FPGA to get the correct configuration from the config flash EPCS128 in AS mode.
- I have verified that my build is ok and I can program the FPGA using my .sof. The FPGA is alive and well using my .sof
- I can program the EPCS128 using the indirect method with a .jic file. I can program and verify that the flash gets programmed.
- I have verified that the MSEL lines are in the AS mode, standard POR.
- I have verified that nConfig = pulled high, conf_done = pulled high, STATUSn = pulled high and nCE pulled low.
- I've tried to generate my .jic with and without compression.
- I've tried both at 20MHz and 40 MHz AS clock.
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Found it! We are actually using a Micron flash chip and not Altera's EPCS and I have to "Disable EPCS ID check" in the "convert programming files" tool. Now I'm generating correct .jic file and everything is working.
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