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| author | Jason Jin <Jason.jin@freescale.com> | 2008-05-23 16:32:45 +0800 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2008-06-02 14:44:23 -0500 |
| commit | aee1dc73b519227084d77b0b2fc972b68b4153d8 (patch) | |
| tree | 25203d16cb0c94d175ae73fc35750fc5acc11041 /Documentation/powerpc | |
| parent | 0723abd0b2c9d4603b8c51d6615800c2439a328e (diff) | |
| download | linux-aee1dc73b519227084d77b0b2fc972b68b4153d8.tar.gz linux-aee1dc73b519227084d77b0b2fc972b68b4153d8.tar.bz2 linux-aee1dc73b519227084d77b0b2fc972b68b4153d8.zip | |
[POWERPC] Update booting-without-of for Freescale PCIe MSI
Binding document adding for Freescale PCIe MSI support.
Signed-off-by: Jason Jin <Jason.jin@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'Documentation/powerpc')
| -rw-r--r-- | Documentation/powerpc/booting-without-of.txt | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt index 1d2a772506cf..c67d2f589754 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 +2873,44 @@ platforms are moved over to use the flattened-device-tree model. reg = <0xe8000000 32>; }; + t) Freescale MSI interrupt controller + + Reguired properities: + - compatible : compatible list, contains 2 entries, + first is "fsl,CHIP-msi", where CHIP is the processor(mpc8610, mpc8572, + etc.) and the second is "fsl,mpic-msi" or "fsl,ipic-msi" depending on + the parent type. + - 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. This property is + optional, without this, all the 256 MSI interrupts can be used. + - 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 + msi@41600 { + compatible = "fsl,mpc8610-msi", "fsl,mpic-msi"; + reg = <0x41600 0x80>; + msi-available-ranges = <0 0x100>; + interrupts = < + 0xe0 0 + 0xe1 0 + 0xe2 0 + 0xe3 0 + 0xe4 0 + 0xe5 0 + 0xe6 0 + 0xe7 0>; + interrupt-parent = <&mpic>; + }; + + VII - Marvell Discovery mv64[345]6x System Controller chips =========================================================== |