[riot-notifications] [RIOT-OS/RIOT] wip: cpu/sam0: implement xip_mount() (7a70fd3)

iosabi notifications at github.com
Sun Jan 31 01:11:15 CET 2021

To disable xip in the N25Q256A13EF840 you need to set the dummy bytes to 0xff and send a XIP-mode commad, so basically a qspi_read (which should be configured to send no opcode) for any address with the dummy byte set to 0xff. For a 24-bit addr and 4 dummy qspi cycles just send 5 bytes: 0 0 0 0xff 0xff.

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