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By Vivek Kaloliya
#72291 Hello all,

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.
User avatar
By Vivek Kaloliya
#72414 i solved above problem by my self. Now i am getting following error..

***** EAGLE DRIVER VER:bdf5087c3deb*****
[ 19.080351]
[ 19.091791] ESP8089 reset via GPIO 7
[ 19.307759] esp_sdio_dummy_probe enter
[ 19.532028] esp_sdio_init power up OK
[ 30.006706] resetting event timeout
[ 30.013053] esp_init_all failed: -110
[ 30.018747] first error exit

what may be a root cause of it ?

Thanks in advance