From owner-freebsd-arm@FreeBSD.ORG Thu May 16 17:28:13 2013 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id EEBE1FD3 for ; Thu, 16 May 2013 17:28:13 +0000 (UTC) (envelope-from tom@0x544745.com) Received: from mail-oa0-f51.google.com (mail-oa0-f51.google.com [209.85.219.51]) by mx1.freebsd.org (Postfix) with ESMTP id BC358697 for ; Thu, 16 May 2013 17:28:13 +0000 (UTC) Received: by mail-oa0-f51.google.com with SMTP id f4so4024940oah.24 for ; Thu, 16 May 2013 10:28:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:cc:content-type:x-gm-message-state; bh=dyFR6t1tGhfrspRkyN4YGqbxXSrGVUij5C3rYv05gMc=; b=MmVHvmE2haV6TiqxLpvldhLvrTINRuhN+gTARCHZsuWz76BdjgXssacrLIhHwM48s+ L7VSU7URSqTeaQok0m+goDHU8xba8GObjpa6asoIEm6VciJogYLWFERc7f+sE+K/xA5q CZhuwilEa8E1vfk3O4LpmJDwg2xG/VcxSmDQhuDcCbqidR6+KhuZg+H6sEls/b4lvxkr A8P9nb+xeeUAp00PME/V1BwmjyMGCJWH3lXXfXV7yGMGlSDKhRkdp7SWIwRqXfdJXmtC vOfp0dwUMNeXEsGe8jHmiMjGAH6DT5TzzxuV4scpuMh0xmlze/TyE91KIn8lmk26PZjB 5+kg== MIME-Version: 1.0 X-Received: by 10.60.155.177 with SMTP id vx17mr23129434oeb.9.1368725287185; Thu, 16 May 2013 10:28:07 -0700 (PDT) Received: by 10.182.31.49 with HTTP; Thu, 16 May 2013 10:28:07 -0700 (PDT) In-Reply-To: References: Date: Thu, 16 May 2013 11:28:07 -0600 Message-ID: Subject: Re: ARM SPI support From: Tom Everett To: Warner Losh X-Gm-Message-State: ALoCoQm0+iwxD5ivnp8w5wV9NAMdJe1Fxr7W/ix8aFxwBjMBv4Kcewz8U4ofrDQyUuVGQQVKChmz Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: "freebsd-arm@freebsd.org" X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 May 2013 17:28:14 -0000 Well it would be the Pi, so that's a Broadcom BCM2835 . Here's the datasheet http://www.raspberrypi.org/wp-content/uploads/2012/02/BCM2835-ARM-Peripherals.pdf On Thu, May 16, 2013 at 11:04 AM, Warner Losh wrote: > > On May 16, 2013, at 11:48 AM, Tom Everett wrote: > > > Good morning ARM list. > > > > So, having dove into UART support, I'm not learning a bit about SPI. I > > don't see a driver here: > > > > http://svnweb.freebsd.org/base/head/sys/conf/NOTES?view=markup > > > > and the SIO man page doesn't appear to mention it. > > > > Is there SPI support in FreeBSD? > > spi support isn't done through the UART in FreeBSD. There's some support > for SPI bus devices, but not a lot. Which chip and what are you trying to > accomplish? > > Warner > > -- A better world shall emerge based on faith and understanding - Douglas MacArthur