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Altera_Forum's avatar
Altera_Forum
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15 years ago

Cyclone IV E remote update +epcs+cfi_flash

hi all,i want to use epcs and cfi_flash to switch applications. my firmware and software are stored in sd card. 1. read application's firmware from sd card ,then write epcs. (i have converte...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I have seen the application selector code in altera neek, so i have put back epcs read mode in my codde.

// Make sure the flash is in read mode

IOWR_16DIRECT( EPCS_FLASH_CONTROLLER_BASE, 0, 0xFFFF );

IOWR_8DIRECT( EPCS_FLASH_CONTROLLER_BASE, 0, 0xFF );

but it is still no good!