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Commit 3fb79338 authored by Rupjyoti Sarmah's avatar Rupjyoti Sarmah Committed by Benjamin Herrenschmidt
Browse files

powerpc/4xx: Adding PCIe MSI support 



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

Signed-off-by: default avatarRupjyoti Sarmah <rsarmah@apm.com>
Signed-off-by: default avatarTirumala R Marri <tmarri@apm.com>
Acked-by: default avatarJosh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 4dd60290

arch/powerpc/boot/dts/canyonlands.dts

+18 −0
Original line number Diff line number Diff line
@@ -530,5 +530,23 @@ 
				0x0 0x0 0x0 0x3 &UIC3 0x12 0x4 /* swizzled int C */

				0x0 0x0 0x0 0x4 &UIC3 0x13 0x4 /* swizzled int D */>;

		};



		MSI: ppc4xx-msi@C10000000 {

			compatible = "amcc,ppc4xx-msi", "ppc4xx-msi";

			reg = < 0xC 0x10000000 0x100>;

			sdr-base = <0x36C>;

			msi-data = <0x00000000>;

			msi-mask = <0x44440000>;

			interrupt-count = <3>;

			interrupts = <0 1 2 3>;

			interrupt-parent = <&UIC3>;

			#interrupt-cells = <1>;

			#address-cells = <0>;

			#size-cells = <0>;

			interrupt-map = <0 &UIC3 0x18 1

					1 &UIC3 0x19 1

					2 &UIC3 0x1A 1

					3 &UIC3 0x1B 1>;

		};

	};

};

arch/powerpc/boot/dts/katmai.dts

+18 −0
Original line number Diff line number Diff line
@@ -442,6 +442,24 @@ 
				0x0 0x0 0x0 0x4 &UIC3 0xb 0x4 /* swizzled int D */>;

		};



		MSI: ppc4xx-msi@400300000 {

				compatible = "amcc,ppc4xx-msi", "ppc4xx-msi";

				reg = < 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>;

		};



		I2O: i2o@400100000 {

			compatible = "ibm,i2o-440spe";

			reg = <0x00000004 0x00100000 0x100>;

arch/powerpc/boot/dts/kilauea.dts

+28 −0
Original line number Diff line number Diff line
@@ -403,5 +403,33 @@ 
				0x0 0x0 0x0 0x3 &UIC2 0xd 0x4 /* swizzled int C */

				0x0 0x0 0x0 0x4 &UIC2 0xe 0x4 /* swizzled int D */>;

		};



		MSI: ppc4xx-msi@C10000000 {

			compatible = "amcc,ppc4xx-msi", "ppc4xx-msi";

			reg = < 0x0 0xEF620000 0x100>;

			sdr-base = <0x4B0>;

			msi-data = <0x00000000>;

			msi-mask = <0x44440000>;

			interrupt-count = <12>;

			interrupts = <0 1 2 3 4 5 6 7 8 9 0xA 0xB 0xC 0xD>;

			interrupt-parent = <&UIC2>;

			#interrupt-cells = <1>;

			#address-cells = <0>;

			#size-cells = <0>;

			interrupt-map = <0 &UIC2 0x10 1

					1 &UIC2 0x11 1

					2 &UIC2 0x12 1

					2 &UIC2 0x13 1

					2 &UIC2 0x14 1

					2 &UIC2 0x15 1

					2 &UIC2 0x16 1

					2 &UIC2 0x17 1

					2 &UIC2 0x18 1

					2 &UIC2 0x19 1

					2 &UIC2 0x1A 1

					2 &UIC2 0x1B 1

					2 &UIC2 0x1C 1

					3 &UIC2 0x1D 1>;

		};

	};

};

arch/powerpc/boot/dts/redwood.dts

+20 −0
Original line number Diff line number Diff line
@@ -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";

	};

arch/powerpc/platforms/40x/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -57,6 +57,8 @@ config KILAUEA 
	select 405EX

	select PPC40x_SIMPLE

	select PPC4xx_PCI_EXPRESS

	select PCI_MSI

	select PPC4xx_MSI

	help

	  This option enables support for the AMCC PPC405EX evaluation board.