Sorry for my late response. Thanks for the suggestions.
On 22.05.20 at 16:28, Peter Robinson wrote: > Make sure you enable the driver for the actual flash chip too, some of > the popular ones are: > CONFIG_SPI_FLASH_WINBOND=y > CONFIG_SPI_FLASH_MACRONIX=y > CONFIG_SPI_FLASH_SPANSION=y > CONFIG_SPI_FLASH_GIGADEVICE=y I have enabled 'CONFIG_SPI_FLASH_GIGADEVICE'. But still getting the same error code (-2). On board is the GD25Q127C from Gigadevice. The device ID for the operation code 0x9F according to the datasheet should be 0xC84018. I also found this device ID in the SPI-NOR IDS file.
