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powerpc/4xx: Adding PCIe MSI support

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This patch adds MSI support for 440SPe, 460Ex, 460Sx and 405Ex.

Signed-off-by: Rupjyoti Sarmah <rsarmah@apm.com>
Signed-off-by: Tirumala R Marri <tmarri@apm.com>
Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Rupjyoti Sarmah
2011-03-29 23:10:24 +00:00
committed by Benjamin Herrenschmidt
parent 4dd6029001
commit 3fb7933850
9 changed files with 376 additions and 0 deletions
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20
arch/powerpc/boot/dts/redwood.dts
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@@ -358,8 +358,28 @@
0x0 0x0 0x0 0x4 &UIC3 0xb 0x4 /* swizzled int D */>;
};
MSI: ppc4xx-msi@400300000 {
compatible = "amcc,ppc4xx-msi", "ppc4xx-msi";
reg = < 0x4 0x00300000 0x100
0x4 0x00300000 0x100>;
sdr-base = <0x3B0>;
msi-data = <0x00000000>;
msi-mask = <0x44440000>;
interrupt-count = <3>;
interrupts =<0 1 2 3>;
interrupt-parent = <&UIC0>;
#interrupt-cells = <1>;
#address-cells = <0>;
#size-cells = <0>;
interrupt-map = <0 &UIC0 0xC 1
1 &UIC0 0x0D 1
2 &UIC0 0x0E 1
3 &UIC0 0x0F 1>;
};
};
chosen {
linux,stdout-path = "/plb/opb/serial@ef600200";
};