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Honored Contributor
Honored ContributorS/F core
Dear everyone, My nos2 is 50Mhz, S -core, has been tested, all is ok! when I change to 50M/F-core, select the instruction cache and data cache, the "netflash" command is not ok...
Altera_ForumHonored Contributor
Honored Contributor --- Quote Start --- originally posted by feiwu@Oct 20 2006, 11:53 AM dear hippo,
in my program, i didn't call the ioremap function directly, and i write the flash driver by myself. so i can't understand you clearly!
i'm not familar with the cache! coud you please tell me more details about how the cache work?
best regards!
fei wu
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--- Quote End --- You have to set bit 31 of the flash address, in order to bypass data cache. That is, na_flash_kernel | 0x80000000 . Actually, there is no need to write the flash driver. You should be able to use cfi mtd driver.
