[PATCH 1/5] Add the explanation and sample of RapidIO DTS sector to the document of booting-without-of.txt file.
From: Zhang Wei
Date: Tue Jun 12 2007 - 04:55:45 EST
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@xxxxxxxxxxxxx>
Documentation/powerpc/booting-without-of.txt | 41 ++++++++++++++++++++++++++
1 files changed, 41 insertions(+), 0 deletions(-)
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index b49ce16..359c899 100644
@@ -1729,6 +1729,47 @@ platforms are moved over to use the flattened-device-tree model.
More devices will be defined as this spec matures.
+ k) RapidIO
+ Required properties:
+ - device_type : Should be "rapidio"
+ - compatible : Should be "fsl,rapidio-v0.0" or "fsl,rapidio-v1.0"
+ and so on. The version number is got from IP Block Revision
+ Register of 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
+ 36-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
+ - interrupt-parent : the phandle for the interrupt controller that
+ services interrupts for this device.
+ - interrupts : <a b> where a is the interrupt number and b is a
+ field that represents an encoding of the sense and level
+ information for the interrupt. This should be encoded based on
+ the information in section 2) depending on the type of interrupt
+ controller you have. For this sector, interrupts order should be
+ <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>.
+ device_type = "rapidio";
+ compatible = "fsl,rapidio-v1.0";
+ #address-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>;
VII - Specifying interrupt information for devices
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