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Altera_Forum's avatar
Altera_Forum
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16 years ago

Flash doesn't work in NiosII

Hi all I want to read and write the 1MB 29LV800TE-90PFTN flash on DE2. I add a tri-state bridge and connect a CFI to it in the sopc builder and connect the pins as the demon does. 1 When...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hi,

In these case I normally proceed in this way:

- use IOWR/IORD to directly access the device: with a few wr and rd (refer to flash datasheet) you can easily readback flash device info and make sure the hardware is working properly

- then you can possibly step into alt_flash_open_dev and discover if there is any problem with the driver

Cris