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Altera_Forum
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14 years ago

Loading SRAM,SDRAM or FLASH on DE1, using Linux, without Qsys, SOPC or NIOS

I have a design which needs data preloaded into one or more of NVRAM and/or SRAM and/or SDRAM on a DE1. I am using Quartus II Web Edition 11.1 sp1. I am not using Qsys, SOPC or NIOS, as the d...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

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FYI, problem solved now.

Flash mapped into CPU memory space.

SPI interface to SD card constructed and mapped into CPU IO space.

Tiny on-chip ROM contains code to read SD and write flash.

Really not that hard to do in the end.

SPI is really quite straightforward, thanks to Wikipedia article and sample code on an Arduino site.

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So your Z80 processor boots now? Cool! :)

Cheers,

Dave