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From: Jason Jin <Jason.jin@freescale.com>
To: galak@kernel.crashing.org
Cc: linuxppc-dev@ozlabs.org, Jason Jin <Jason.jin@freescale.com>
Subject: [PATCH 1/4 V2] booting-without-of for Freescale MSI
Date: Fri,  9 May 2008 17:03:27 +0800	[thread overview]
Message-ID: <1210323810-24833-1-git-send-email-Jason.jin@freescale.com> (raw)

Binding document adding for Freescale MSI support.

Signed-off-by: Jason Jin <Jason.jin@freescale.com>
---
Updated to V2 version per Segher's suggestion.

 Documentation/powerpc/booting-without-of.txt |   40 +++++++++++++++++++++++++-
 1 files changed, 39 insertions(+), 1 deletions(-)

diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index 1d2a772..887783c 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -57,7 +57,10 @@ Table of Contents
       n) 4xx/Axon EMAC ethernet nodes
       o) Xilinx IP cores
       p) Freescale Synchronous Serial Interface
-	  q) USB EHCI controllers
+      q) USB EHCI controllers
+      r) Freescale Display Interface Unit
+      s) Freescale on board FPGA
+      t) Freescael MSI interrupt controller
 
   VII - Marvell Discovery mv64[345]6x System Controller chips
     1) The /system-controller node
@@ -2870,6 +2873,41 @@ platforms are moved over to use the flattened-device-tree model.
 		reg = <0xe8000000 32>;
 	};
 
+    t) Freescale MSI interrupt controller
+
+    Reguired properities:
+    - compatible : set as "fsl,86xx-MSI" for 86xx cpu, "fsl,85xx-MSI" for 85xx
+      cpu and "fsl,83xx-MSI" for 83xx cpu.
+    - reg : should contain the address and the length of the shared message
+      interrupt register set.
+    - msi-available-ranges: use <start count> style section to define which
+      msi interrupt can be used in the 256 msi interrupts.
+    - interrupts : each one of the interrupts here is one entry per 32 MSIs,
+      and routed to the host interrupt controller. the interrupts should
+      be set as edge sensitive.
+    - interrupt-parent: the phandle for the interrupt controller
+      that services interrupts for this device. for 83xx cpu, the interrupts
+      are routed to IPIC, and for 85xx/86xx cpu the interrupts are routed
+      to MPIC.
+
+    Example (86xx CPU)
+	msi@41600 {
+		compatible = "fsl,86xx-MSI";
+		reg = <0x41600 0x80>;
+		msi-available-ranges = <0 0x100>;
+		interrupts = <
+			0xb0 0
+			0xb1 0
+			0xb2 0
+			0xb3 0
+			0xb4 0
+			0xb5 0
+			0xb6 0
+			0xb7 0>;
+		interrupt-parent = <&mpic>;
+	};
+
+
 VII - Marvell Discovery mv64[345]6x System Controller chips
 ===========================================================
 
-- 
1.5.4

             reply	other threads:[~2008-05-09  9:07 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-09  9:03 Jason Jin [this message]
2008-05-09  9:03 ` [PATCH 2/4 V4] MSI support on 83xx/85xx/86xx board Jason Jin
2008-05-09 12:21   ` Michael Ellerman
2008-05-13  2:18     ` Jin Zhengxiong
2008-05-09 13:31   ` Grant Likely
2008-05-09  9:26 ` [PATCH 1/4 V2] booting-without-of for Freescale MSI Segher Boessenkool
2008-05-09  9:52   ` Jin Zhengxiong
2008-05-09 10:13     ` Segher Boessenkool
2008-05-09 10:18       ` Jin Zhengxiong
2008-05-09 10:51         ` Segher Boessenkool
2008-05-09 13:25 ` Grant Likely
2008-05-13  2:31   ` Jin Zhengxiong
2008-05-09 13:34 ` Grant Likely
2008-05-09 16:18   ` Timur Tabi
2008-05-09 16:24     ` Grant Likely

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