Re: [PATCH 1/5 v2] Add the explanation and a sample of RapidIO DTS sector to the document of booting-without-of.txt file.

David Gibson
2007-06-28T00:38:24Z

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 <wei.zhang@freescale.com>
> ---
> 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:
> + <err_irq bell_outb_irq bell_inb_irq msg1_tx_irq msg1_rx_irq
> + 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 = <c0000 20000>;
> + 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_!