Re: reg: Routing SPI signals connected from x86 core to the Arc core


Mahendravarman Rajarao (RBEI/EAA3) <Mahendravarman.Rajarao@...>
 

Hi Liu

As you have stated below

"Zephyr drivers for SPI and GPIO were updated recently to allow ARC to directly access GPIO including AON_GPIO and SPI. You do not need x86 at all"

Is this done in zephyr 1.6 ? Even AON_GPIO can I declare and use directly at ARC ?

Please Note we have connected bma255 at SPI lines of x86.


Best regards

Mahendravarman Rajarao

Mobil +919952921253

From: Liu, Baohong [mailto:baohong.liu(a)intel.com]
Sent: Tuesday, January 03, 2017 11:36 PM
To: Mahendravarman Rajarao (RBEI/EAA3) <Mahendravarman.Rajarao(a)in.bosch.com>; devel(a)lists.zephyrproject.org
Subject: [devel] Re: reg: Routing SPI signals connected from x86 core to the Arc core

Zephyr drivers for SPI and GPIO were updated recently to allow ARC to directly access GPIO including AON_GPIO and SPI. You do not need x86 at all.

Please see the updated driver and sample app for BMI160 (top of the free, master).

Thanks
Baohong

From: Mahendravarman Rajarao (RBEI/EAA3) [mailto:Mahendravarman.Rajarao(a)in.bosch.com]
Sent: Tuesday, January 3, 2017 4:24 AM
To: devel(a)lists.zephyrproject.org<mailto:devel(a)lists.zephyrproject.org>
Subject: [devel] reg: Routing SPI signals connected from x86 core to the Arc core

Hi

We have connected an Accelerometer to the x86 core of C1000 (Quark_se) through SPI interface.
Interrupt line of accelerometer is also connected to the AON_GPIO_3

Now I need to route the SPI connection of x86 to Arc core. Is that possible ?

Any sample code in zephyr I can refer for this activity ?

Best regards
Mahendra

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