From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Thu, 28 Jun 2007 10:24:38 +1000 From: David Gibson To: Zhang Wei Subject: Re: [PATCH 1/5 v2] Add the explanation and a sample of RapidIO DTS sector to the document of booting-without-of.txt file. Message-ID: <20070628002438.GB15298@localhost.localdomain> References: <11829333481420-git-send-email-wei.zhang@freescale.com> <11829333481977-git-send-email-wei.zhang@freescale.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <11829333481977-git-send-email-wei.zhang@freescale.com> Cc: linuxppc-dev@ozlabs.org, paulus@samba.org, linux-kernel@vger.kernel.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, Jun 27, 2007 at 04:35:44PM +0800, Zhang Wei wrote: > Add the explanation and a sample of RapidIO DTS sector to the document of booting-without-of.txt file. > > Signed-off-by: Zhang Wei > --- > Documentation/powerpc/booting-without-of.txt | 34 ++++++++++++++++++++++++++ > 1 files changed, 34 insertions(+), 0 deletions(-) > > diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt > index b49ce16..98692ca 100644 > --- a/Documentation/powerpc/booting-without-of.txt > +++ b/Documentation/powerpc/booting-without-of.txt > @@ -1727,6 +1727,40 @@ platforms are moved over to use the flattened-device-tree model. > partition-names = "fs\0firmware"; > }; > > + k) RapidIO > + > + Required properties: > + Should probably recommend a name for the node here, as well. "srio" I guess, from the example below. > + - compatible : Should be "fsl,rapidio-delta" for Freescale > + PowerPC RapidIO controller. > + - #address-cells : Address representation for "rapidio" devices. > + This field represents the number of cells needed to represent > + the RapidIO address of the registers. For supporting more than > + 32-bits RapidIO address, this field should be <2>. > + See 1) above for more details on defining #address-cells. > + - reg : Offset and length of the register set for the device > + - ranges : Should be defined as specified in 1) to describe the > + translation of addresses for memory mapped RapidIO memory > + space. > + - interrupts : binding interrupts for this device sector, > + please follow below orders: > + + msg2_tx_irq msg2_rx_irq ... msgN_tx_irq msgN_rx_irq>. > + > + Example: > + > + srio@c0000{ > + compatible = "fsl,rapidio-delta"; > + #address-cells = <2>; > + #size-cells = <2>; > + reg = ; > + ranges = <0 0 c0000000 20000000>; > + interrupt-parent = <&mpic>; > + /* err_irq bell_outb_irq bell_inb_irq msg1_tx_irq msg1_rx_irq > + msg2_tx_irq msg2_rx_irq */ > + interrupts = <30 2 31 2 32 2 35 2 36 2 37 2 38 2>; > + }; > + > More devices will be defined as this spec matures. > > VII - Specifying interrupt information for devices -- David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson