I am using esp8266 sdio interface with Olimex allwinner A10 board (its linux). I want esp8266 to act as wlan (wireless interface) in linux. so i interface esp with allwinner via SDIO.
I download esp driver for sdio interface from below link
https://github.com/al177/esp8089
and then i compiled that driver in my kernel and esp8089.ko file created. I attached esp with mmc1 of allwinner a10.
Now the problem is when i run "modprobe esp8089" then its keep retrying (shows below message)...
[ 1701.150223] ***** EAGLE DRIVER VER:bdf5087c3deb*****
[ 1701.150227]
ESP8089 reset via GPIO 0
[ 1701.209343] ESP8089 reset via GPIO 0
esp_sdio_init ------ RETRY ------
[ 1712.420254] esp_sdio_init ------ RETRY ------
ESP8089 reset via GPIO 0
[ 1712.439245] ESP8089 reset via GPIO 0
ESP8089 reset via GPIO 0
[ 1712.649226] ESP8089 reset via GPIO 0
esp_sdio_init ------ RETRY ------
[ 1723.860001] esp_sdio_init ------ RETRY ------
ESP8089 reset via GPIO 0
[ 1723.880079] ESP8089 reset via GPIO 0
ESP8089 reset via GPIO 0
[ 1724.089200] ESP8089 reset via GPIO 0
esp_sdio_init ------ RETRY ------
What may be solution for it ?
Thanks.