Merge branch 'for_paulus' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc

* 'for_paulus' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc: (25 commits)
  [POWERPC] 85xx: Added needed MPC85xx PCI device IDs
  [POWERPC] Add Freescale PCI VENDOR ID and 8641 device IDs
  [POWERPC] 85xxCDS: MPC8548 DTS cleanup.
  [POWERPC] 85xxCDS: Misc 8548 PCI Corrections.
  [POWERPC] 85xxCDS: Delay 8259 cascade hookup.
  [POWERPC] 85xxCDS: Make sure restart resets the PCI bus.
  [POWERPC] 85xxCDS: Allow 8259 cascade to share an MPIC interrupt line.
  [POWERPC] FSL: Add support for PCI-X controllers
  [POWERPC] Make sure virtual P2P bridge registers are setup on PCIe PHB
  [POWERPC] Provide ability to setup P2P bridge registers from struct resource
  [POWERPC] Add basic PCI/PCI Express support for 8544DS board
  [POWERPC] Make endianess of cfg_addr for indirect pci ops runtime
  [POWERPC] Removed setup_indirect_pci_nomap
  [POWERPC] 85xx: Add quirk to ignore bogus FPGA on CDS
  [POWERPC] 85xx: Added 8568 PCIe support
  [POWERPC] Fixup resources on pci_bus for PCIe PHB when no device is connected
  [POWERPC] Add basic PCI node for mpc8568mds board
  [POWERPC] Use Freescale pci/pcie common code for 85xx boards
  [POWERPC] Update PCI nodes in the 83xx/85xx boards device tree
  [POWERPC] Add 8548 CDS PCI express controller node and PCI-X device node
  ...

arch/powerpc/Kconfig

@@ -411,11 +411,6 @@ config PPC_INDIRECT_PCI
 	default y if 40x || 44x
 	default n
 
-config PPC_INDIRECT_PCI_BE
-	bool
-	depends PPC_INDIRECT_PCI
-	default n
-
 config EISA
 	bool
 
@@ -425,6 +420,10 @@ config SBUS
 config FSL_SOC
 	bool
 
+config FSL_PCI
+ 	bool
+	select PPC_INDIRECT_PCI
+
 # Yes MCA RS/6000s exist but Linux-PPC does not currently support any
 config MCA
 	bool

arch/powerpc/boot/dts/mpc8313erdb.dts

@@ -178,7 +178,7 @@
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <8500 100>;
-			compatible = "83xx";
+			compatible = "fsl,mpc8349-pci";
 			device_type = "pci";
 		};
 

arch/powerpc/boot/dts/mpc832x_mds.dts

@@ -154,7 +154,7 @@
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <8500 100>;
-			compatible = "83xx";
+			compatible = "fsl,mpc8349-pci";
 			device_type = "pci";
 		};
 

arch/powerpc/boot/dts/mpc832x_rdb.dts

@@ -123,7 +123,7 @@
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <8500 100>;
-			compatible = "83xx";
+			compatible = "fsl,mpc8349-pci";
 			device_type = "pci";
 		};
 

arch/powerpc/boot/dts/mpc8349emitx.dts

@@ -197,7 +197,7 @@
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <8500 100>;
-			compatible = "83xx";
+			compatible = "fsl,mpc8349-pci";
 			device_type = "pci";
 		};
 
@@ -222,7 +222,7 @@
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <8600 100>;
-			compatible = "83xx";
+			compatible = "fsl,mpc8349-pci";
 			device_type = "pci";
 		};
 

arch/powerpc/boot/dts/mpc8349emitxgp.dts

@@ -154,7 +154,7 @@
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <8600 100>;
-			compatible = "83xx";
+			compatible = "fsl,mpc8349-pci";
 			device_type = "pci";
 		};
 

arch/powerpc/boot/dts/mpc834x_mds.dts

@@ -241,7 +241,7 @@
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <8500 100>;
-			compatible = "83xx";
+			compatible = "fsl,mpc8349-pci";
 			device_type = "pci";
 		};
 
@@ -301,7 +301,7 @@
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <8600 100>;
-			compatible = "83xx";
+			compatible = "fsl,mpc8349-pci";
 			device_type = "pci";
 		};
 

arch/powerpc/boot/dts/mpc836x_mds.dts

@@ -169,7 +169,7 @@
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <8500 100>;
-			compatible = "83xx";
+			compatible = "fsl,mpc8349-pci";
 			device_type = "pci";
 		};
 

arch/powerpc/boot/dts/mpc8540ads.dts

@@ -258,7 +258,7 @@
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <8000 1000>;
-			compatible = "85xx";
+			compatible = "fsl,mpc8540-pcix", "fsl,mpc8540-pci";
 			device_type = "pci";
 		};
 

arch/powerpc/boot/dts/mpc8541cds.dts

@@ -193,7 +193,7 @@
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <8000 1000>;
-			compatible = "85xx";
+			compatible = "fsl,mpc8540-pci";
 			device_type = "pci";
 
 			i8259@19000 {
@@ -230,7 +230,7 @@
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <9000 1000>;
-			compatible = "85xx";
+			compatible = "fsl,mpc8540-pci";
 			device_type = "pci";
 		};
 

arch/powerpc/boot/dts/mpc8544ds.dts

@@ -137,6 +137,217 @@
 			interrupt-parent = <&mpic>;
 		};
 
+		pci@8000 {
+			compatible = "fsl,mpc8540-pci";
+			device_type = "pci";
+			interrupt-map-mask = <f800 0 0 7>;
+			interrupt-map = <
+
+				/* IDSEL 0x11 J17 Slot 1 */
+				8800 0 0 1 &mpic 2 1
+				8800 0 0 2 &mpic 3 1
+				8800 0 0 3 &mpic 4 1
+				8800 0 0 4 &mpic 1 1
+
+				/* IDSEL 0x12 J16 Slot 2 */
+
+				9000 0 0 1 &mpic 3 1
+				9000 0 0 2 &mpic 4 1
+				9000 0 0 3 &mpic 2 1
+				9000 0 0 4 &mpic 1 1>;
+
+			interrupt-parent = <&mpic>;
+			interrupts = <18 2>;
+			bus-range = <0 ff>;
+			ranges = <02000000 0 80000000 80000000 0 10000000
+				  01000000 0 00000000 e2000000 0 00800000>;
+			clock-frequency = <3f940aa>;
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			reg = <8000 1000>;
+		};
+
+		pcie@9000 {
+			compatible = "fsl,mpc8548-pcie";
+			device_type = "pci";
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			reg = <9000 1000>;
+			bus-range = <0 ff>;
+			ranges = <02000000 0 90000000 90000000 0 10000000
+				  01000000 0 00000000 e3000000 0 00800000>;
+			clock-frequency = <1fca055>;
+			interrupt-parent = <&mpic>;
+			interrupts = <1a 2>;
+			interrupt-map-mask = <f800 0 0 7>;
+			interrupt-map = <
+				/* IDSEL 0x0 */
+				0000 0 0 1 &mpic 4 1
+				0000 0 0 2 &mpic 5 1
+				0000 0 0 3 &mpic 6 1
+				0000 0 0 4 &mpic 7 1
+				>;
+		};
+
+		pcie@a000 {
+			compatible = "fsl,mpc8548-pcie";
+			device_type = "pci";
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			reg = <a000 1000>;
+			bus-range = <0 ff>;
+			ranges = <02000000 0 a0000000 a0000000 0 10000000
+				  01000000 0 00000000 e2800000 0 00800000>;
+			clock-frequency = <1fca055>;
+			interrupt-parent = <&mpic>;
+			interrupts = <19 2>;
+			interrupt-map-mask = <f800 0 0 7>;
+			interrupt-map = <
+				/* IDSEL 0x0 */
+				0000 0 0 1 &mpic 0 1
+				0000 0 0 2 &mpic 1 1
+				0000 0 0 3 &mpic 2 1
+				0000 0 0 4 &mpic 3 1
+				>;
+		};
+
+		pcie@b000 {
+			compatible = "fsl,mpc8548-pcie";
+			device_type = "pci";
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			reg = <b000 1000>;
+			bus-range = <0 ff>;
+			ranges = <02000000 0 b0000000 b0000000 0 10000000
+				  01000000 0 00000000 e3800000 0 00800000>;
+			clock-frequency = <1fca055>;
+			interrupt-parent = <&mpic>;
+			interrupts = <1b 2>;
+			interrupt-map-mask = <f800 0 0 7>;
+			interrupt-map = <
+
+				// IDSEL 0x1a
+				d000 0 0 1 &i8259 6 2
+				d000 0 0 2 &i8259 3 2
+				d000 0 0 3 &i8259 4 2
+				d000 0 0 4 &i8259 5 2
+
+				// IDSEL 0x1b
+				d800 0 0 1 &i8259 5 2
+				d800 0 0 2 &i8259 0 0
+				d800 0 0 3 &i8259 0 0
+				d800 0 0 4 &i8259 0 0
+
+				// IDSEL 0x1c  USB
+				e000 0 0 1 &i8259 9 2
+				e000 0 0 2 &i8259 a 2
+				e000 0 0 3 &i8259 c 2
+				e000 0 0 4 &i8259 7 2
+
+				// IDSEL 0x1d  Audio
+				e800 0 0 1 &i8259 9 2
+				e800 0 0 2 &i8259 a 2
+				e800 0 0 3 &i8259 b 2
+				e800 0 0 4 &i8259 0 0
+
+				// IDSEL 0x1e Legacy
+				f000 0 0 1 &i8259 c 2
+				f000 0 0 2 &i8259 0 0
+				f000 0 0 3 &i8259 0 0
+				f000 0 0 4 &i8259 0 0
+
+				// IDSEL 0x1f IDE/SATA
+				f800 0 0 1 &i8259 6 2
+				f800 0 0 2 &i8259 0 0
+				f800 0 0 3 &i8259 0 0
+				f800 0 0 4 &i8259 0 0
+			>;
+			uli1575@0 {
+				reg = <0 0 0 0 0>;
+				#size-cells = <2>;
+				#address-cells = <3>;
+				ranges = <02000000 0 b0000000
+					  02000000 0 b0000000
+					  0 10000000
+					  01000000 0 00000000
+					  01000000 0 00000000
+					  0 00080000>;
+
+				pci_bridge@0 {
+					reg = <0 0 0 0 0>;
+					#size-cells = <2>;
+					#address-cells = <3>;
+					ranges = <02000000 0 b0000000
+						  02000000 0 b0000000
+						  0 20000000
+						  01000000 0 00000000
+						  01000000 0 00000000
+						  0 00100000>;
+
+					isa@1e {
+						device_type = "isa";
+						#interrupt-cells = <2>;
+						#size-cells = <1>;
+						#address-cells = <2>;
+						reg = <f000 0 0 0 0>;
+						ranges = <1 0 01000000 0 0
+							  00001000>;
+						interrupt-parent = <&i8259>;
+
+						i8259: interrupt-controller@20 {
+							reg = <1 20 2
+							       1 a0 2
+							       1 4d0 2>;
+							clock-frequency = <0>;
+							interrupt-controller;
+							device_type = "interrupt-controller";
+							#address-cells = <0>;
+							#interrupt-cells = <2>;
+							built-in;
+							compatible = "chrp,iic";
+							interrupts = <9 2>;
+							interrupt-parent =
+								<&mpic>;
+						};
+
+						i8042@60 {
+							#size-cells = <0>;
+							#address-cells = <1>;
+							reg = <1 60 1 1 64 1>;
+							interrupts = <1 3 c 3>;
+							interrupt-parent =
+								<&i8259>;
+
+							keyboard@0 {
+								reg = <0>;
+								compatible = "pnpPNP,303";
+							};
+
+							mouse@1 {
+								reg = <1>;
+								compatible = "pnpPNP,f03";
+							};
+						};
+
+						rtc@70 {
+							compatible =
+								"pnpPNP,b00";
+							reg = <1 70 2>;
+						};
+
+						gpio@400 {
+							reg = <1 400 80>;
+						};
+					};
+				};
+			};
+
+		};
+
 		mpic: pic@40000 {
 			clock-frequency = <0>;
 			interrupt-controller;

arch/powerpc/boot/dts/mpc8548cds.dts

 /*
- * MPC8555 CDS Device Tree Source
+ * MPC8548 CDS Device Tree Source
  *
  * Copyright 2006 Freescale Semiconductor Inc.
  *
@@ -44,8 +44,14 @@
 		#size-cells = <1>;
 		#interrupt-cells = <2>;
 		device_type = "soc";
-		ranges = <0 e0000000 00100000>;
-		reg = <e0000000 00100000>;	// CCSRBAR 1M
+		ranges = <00001000 e0001000 000ff000
+			  80000000 80000000 10000000
+			  e2000000 e2000000 00800000
+			  90000000 90000000 10000000
+			  e2800000 e2800000 00800000
+			  a0000000 a0000000 20000000
+		          e3000000 e3000000 01000000>;
+		reg = <e0000000 00001000>;	// CCSRBAR
 		bus-frequency = <0>;
 
 		memory-controller@2000 {
@@ -162,8 +168,8 @@
 		serial@4500 {
 			device_type = "serial";
 			compatible = "ns16550";
-			reg = <4500 100>; 	// reg base, size
-			clock-frequency = <0>; 	// should we fill in in uboot?
+			reg = <4500 100>;	// reg base, size
+			clock-frequency = <0>;	// should we fill in in uboot?
 			interrupts = <2a 2>;
 			interrupt-parent = <&mpic>;
 		};
@@ -172,7 +178,7 @@
 			device_type = "serial";
 			compatible = "ns16550";
 			reg = <4600 100>;	// reg base, size
-			clock-frequency = <0>; 	// should we fill in in uboot?
+			clock-frequency = <0>;	// should we fill in in uboot?
 			interrupts = <2a 2>;
 			interrupt-parent = <&mpic>;
 		};
@@ -183,77 +189,154 @@
 			fsl,has-rstcr;
 		};
 
-		pci1: pci@8000 {
-			interrupt-map-mask = <1f800 0 0 7>;
+		pci@8000 {
+			interrupt-map-mask = <f800 0 0 7>;
 			interrupt-map = <
+				/* IDSEL 0x4 (PCIX Slot 2) */
+				02000 0 0 1 &mpic 0 1
+				02000 0 0 2 &mpic 1 1
+				02000 0 0 3 &mpic 2 1
+				02000 0 0 4 &mpic 3 1
+
+				/* IDSEL 0x5 (PCIX Slot 3) */
+				02800 0 0 1 &mpic 1 1
+				02800 0 0 2 &mpic 2 1
+				02800 0 0 3 &mpic 3 1
+				02800 0 0 4 &mpic 0 1
+
+				/* IDSEL 0x6 (PCIX Slot 4) */
+				03000 0 0 1 &mpic 2 1
+				03000 0 0 2 &mpic 3 1
+				03000 0 0 3 &mpic 0 1
+				03000 0 0 4 &mpic 1 1
+
+				/* IDSEL 0x8 (PCIX Slot 5) */
+				04000 0 0 1 &mpic 0 1
+				04000 0 0 2 &mpic 1 1
+				04000 0 0 3 &mpic 2 1
+				04000 0 0 4 &mpic 3 1
+
+				/* IDSEL 0xC (Tsi310 bridge) */
+				06000 0 0 1 &mpic 0 1
+				06000 0 0 2 &mpic 1 1
+				06000 0 0 3 &mpic 2 1
+				06000 0 0 4 &mpic 3 1
+
+				/* IDSEL 0x14 (Slot 2) */
+				0a000 0 0 1 &mpic 0 1
+				0a000 0 0 2 &mpic 1 1
+				0a000 0 0 3 &mpic 2 1
+				0a000 0 0 4 &mpic 3 1
+
+				/* IDSEL 0x15 (Slot 3) */
+				0a800 0 0 1 &mpic 1 1
+				0a800 0 0 2 &mpic 2 1
+				0a800 0 0 3 &mpic 3 1
+				0a800 0 0 4 &mpic 0 1
+
+				/* IDSEL 0x16 (Slot 4) */
+				0b000 0 0 1 &mpic 2 1
+				0b000 0 0 2 &mpic 3 1
+				0b000 0 0 3 &mpic 0 1
+				0b000 0 0 4 &mpic 1 1
+
+				/* IDSEL 0x18 (Slot 5) */
+				0c000 0 0 1 &mpic 0 1
+				0c000 0 0 2 &mpic 1 1
+				0c000 0 0 3 &mpic 2 1
+				0c000 0 0 4 &mpic 3 1
+
+				/* IDSEL 0x1C (Tsi310 bridge PCI primary) */
+				0E000 0 0 1 &mpic 0 1
+				0E000 0 0 2 &mpic 1 1
+				0E000 0 0 3 &mpic 2 1
+				0E000 0 0 4 &mpic 3 1>;
 
-				/* IDSEL 0x10 */
-				08000 0 0 1 &mpic 0 1
-				08000 0 0 2 &mpic 1 1
-				08000 0 0 3 &mpic 2 1
-				08000 0 0 4 &mpic 3 1
-
-				/* IDSEL 0x11 */
-				08800 0 0 1 &mpic 0 1
-				08800 0 0 2 &mpic 1 1
-				08800 0 0 3 &mpic 2 1
-				08800 0 0 4 &mpic 3 1
-
-				/* IDSEL 0x12 (Slot 1) */
-				09000 0 0 1 &mpic 0 1
-				09000 0 0 2 &mpic 1 1
-				09000 0 0 3 &mpic 2 1
-				09000 0 0 4 &mpic 3 1
-
-				/* IDSEL 0x13 (Slot 2) */
-				09800 0 0 1 &mpic 1 1
-				09800 0 0 2 &mpic 2 1
-				09800 0 0 3 &mpic 3 1
-				09800 0 0 4 &mpic 0 1
-
-				/* IDSEL 0x14 (Slot 3) */
-				0a000 0 0 1 &mpic 2 1
-				0a000 0 0 2 &mpic 3 1
-				0a000 0 0 3 &mpic 0 1
-				0a000 0 0 4 &mpic 1 1
-
-				/* IDSEL 0x15 (Slot 4) */
-				0a800 0 0 1 &mpic 3 1
-				0a800 0 0 2 &mpic 0 1
-				0a800 0 0 3 &mpic 1 1
-				0a800 0 0 4 &mpic 2 1
-
-				/* Bus 1 (Tundra Bridge) */
-				/* IDSEL 0x12 (ISA bridge) */
-				19000 0 0 1 &mpic 0 1
-				19000 0 0 2 &mpic 1 1
-				19000 0 0 3 &mpic 2 1
-				19000 0 0 4 &mpic 3 1>;
 			interrupt-parent = <&mpic>;
 			interrupts = <18 2>;
 			bus-range = <0 0>;
-			ranges = <02000000 0 80000000 80000000 0 20000000
-				  01000000 0 00000000 e2000000 0 00100000>;
+			ranges = <02000000 0 80000000 80000000 0 10000000
+				  01000000 0 00000000 e2000000 0 00800000>;
 			clock-frequency = <3f940aa>;
 			#interrupt-cells = <1>;
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <8000 1000>;
-			compatible = "85xx";
+			compatible = "fsl,mpc8540-pcix", "fsl,mpc8540-pci";
 			device_type = "pci";
 
-			i8259@19000 {
-				clock-frequency = <0>;
-				interrupt-controller;
-				device_type = "interrupt-controller";
-				reg = <19000 0 0 0 1>;
-				#address-cells = <0>;
-				#interrupt-cells = <2>;
-				built-in;
-				compatible = "chrp,iic";
-				big-endian;
-				interrupts = <1>;
-				interrupt-parent = <&pci1>;
+			pci_bridge@1c {
+				interrupt-map-mask = <f800 0 0 7>;
+				interrupt-map = <
+
+					/* IDSEL 0x00 (PrPMC Site) */
+					0000 0 0 1 &mpic 0 1
+					0000 0 0 2 &mpic 1 1
+					0000 0 0 3 &mpic 2 1
+					0000 0 0 4 &mpic 3 1
+
+					/* IDSEL 0x04 (VIA chip) */
+					2000 0 0 1 &mpic 0 1
+					2000 0 0 2 &mpic 1 1
+					2000 0 0 3 &mpic 2 1
+					2000 0 0 4 &mpic 3 1
+
+					/* IDSEL 0x05 (8139) */
+					2800 0 0 1 &mpic 1 1
+
+					/* IDSEL 0x06 (Slot 6) */
+					3000 0 0 1 &mpic 2 1
+					3000 0 0 2 &mpic 3 1
+					3000 0 0 3 &mpic 0 1
+					3000 0 0 4 &mpic 1 1
+
+					/* IDESL 0x07 (Slot 7) */
+					3800 0 0 1 &mpic 3 1
+					3800 0 0 2 &mpic 0 1
+					3800 0 0 3 &mpic 1 1
+					3800 0 0 4 &mpic 2 1>;
+
+				reg = <e000 0 0 0 0>;
+				#interrupt-cells = <1>;
+				#size-cells = <2>;
+				#address-cells = <3>;
+				ranges = <02000000 0 80000000
+					  02000000 0 80000000
+					  0 20000000
+					  01000000 0 00000000
+					  01000000 0 00000000
+					  0 00080000>;
+				clock-frequency = <1fca055>;
+
+				isa@4 {
+					device_type = "isa";
+					#interrupt-cells = <2>;
+					#size-cells = <1>;
+					#address-cells = <2>;
+					reg = <2000 0 0 0 0>;
+					ranges = <1 0 01000000 0 0 00001000>;
+					interrupt-parent = <&i8259>;
+
+					i8259: interrupt-controller@20 {
+						clock-frequency = <0>;
+						interrupt-controller;
+						device_type = "interrupt-controller";
+						reg = <1 20 2
+						       1 a0 2
+						       1 4d0 2>;
+						#address-cells = <0>;
+						#interrupt-cells = <2>;
+						built-in;
+						compatible = "chrp,iic";
+						interrupts = <0 1>;
+						interrupt-parent = <&mpic>;
+					};
+
+					rtc@70 {
+						compatible = "pnpPNP,b00";
+						reg = <1 70 2>;
+					};
+				};
 			};
 		};
 
@@ -263,20 +346,45 @@
 
 				/* IDSEL 0x15 */
 				a800 0 0 1 &mpic b 1
-				a800 0 0 2 &mpic b 1
-				a800 0 0 3 &mpic b 1
-				a800 0 0 4 &mpic b 1>;
+				a800 0 0 2 &mpic 1 1
+				a800 0 0 3 &mpic 2 1
+				a800 0 0 4 &mpic 3 1>;
+
 			interrupt-parent = <&mpic>;
 			interrupts = <19 2>;
 			bus-range = <0 0>;
-			ranges = <02000000 0 a0000000 a0000000 0 20000000
-				  01000000 0 00000000 e3000000 0 00100000>;
+			ranges = <02000000 0 90000000 90000000 0 10000000
+				  01000000 0 00000000 e2800000 0 00800000>;
 			clock-frequency = <3f940aa>;
 			#interrupt-cells = <1>;
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <9000 1000>;
-			compatible = "85xx";
+			compatible = "fsl,mpc8540-pci";
+			device_type = "pci";
+		};
+		/* PCI Express */
+		pcie@a000 {
+			interrupt-map-mask = <f800 0 0 7>;
+			interrupt-map = <
+
+				/* IDSEL 0x0 (PEX) */
+				00000 0 0 1 &mpic 0 1
+				00000 0 0 2 &mpic 1 1
+				00000 0 0 3 &mpic 2 1
+				00000 0 0 4 &mpic 3 1>;
+
+			interrupt-parent = <&mpic>;
+			interrupts = <1a 2>;
+			bus-range = <0 ff>;
+			ranges = <02000000 0 a0000000 a0000000 0 20000000
+				  01000000 0 00000000 e3000000 0 08000000>;
+			clock-frequency = <1fca055>;
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			reg = <a000 1000>;
+			compatible = "fsl,mpc8548-pcie";
 			device_type = "pci";
 		};
 

arch/powerpc/boot/dts/mpc8555cds.dts

@@ -193,7 +193,7 @@
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <8000 1000>;
-			compatible = "85xx";
+			compatible = "fsl,mpc8540-pci";
 			device_type = "pci";
 
 			i8259@19000 {
@@ -230,7 +230,7 @@
 			#size-cells = <2>;
 			#address-cells = <3>;
 			reg = <9000 1000>;
-			compatible = "85xx";
+			compatible = "fsl,mpc8540-pci";
 			device_type = "pci";
 		};
 

arch/powerpc/boot/dts/mpc8560ads.dts

@@ -136,7 +136,7 @@
 			#interrupt-cells = <1>;
 			#size-cells = <2>;
 			#address-cells = <3>;
-			compatible = "85xx";
+			compatible = "fsl,mpc8540-pcix", "fsl,mpc8540-pci";
 			device_type = "pci";
 			reg = <8000 1000>;
 			clock-frequency = <3f940aa>;

arch/powerpc/boot/dts/mpc8568mds.dts

@@ -170,6 +170,60 @@
 			interrupt-parent = <&mpic>;
 		};
 
+		pci@8000 {
+			interrupt-map-mask = <f800 0 0 7>;
+			interrupt-map = <
+				/* IDSEL 0x12 AD18 */
+				9000 0 0 1 &mpic 5 1
+				9000 0 0 2 &mpic 6 1
+				9000 0 0 3 &mpic 7 1
+				9000 0 0 4 &mpic 4 1
+
+				/* IDSEL 0x13 AD19 */
+				9800 0 0 1 &mpic 6 1
+				9800 0 0 2 &mpic 7 1
+				9800 0 0 3 &mpic 4 1
+				9800 0 0 4 &mpic 5 1>;
+
+			interrupt-parent = <&mpic>;
+			interrupts = <18 2>;
+			bus-range = <0 ff>;
+			ranges = <02000000 0 80000000 80000000 0 20000000
+				  01000000 0 00000000 e2000000 0 00800000>;
+			clock-frequency = <3f940aa>;
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			reg = <8000 1000>;
+			compatible = "fsl,mpc8540-pci";
+			device_type = "pci";
+		};
+
+		/* PCI Express */
+		pcie@a000 {
+			interrupt-map-mask = <f800 0 0 7>;
+			interrupt-map = <
+
+				/* IDSEL 0x0 (PEX) */
+				00000 0 0 1 &mpic 0 1
+				00000 0 0 2 &mpic 1 1
+				00000 0 0 3 &mpic 2 1
+				00000 0 0 4 &mpic 3 1>;
+
+			interrupt-parent = <&mpic>;
+			interrupts = <1a 2>;
+			bus-range = <0 ff>;
+			ranges = <02000000 0 a0000000 a0000000 0 20000000
+				  01000000 0 00000000 e3000000 0 08000000>;
+			clock-frequency = <1fca055>;
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			reg = <a000 1000>;
+			compatible = "fsl,mpc8548-pcie";
+			device_type = "pci";
+		};
+
 		serial@4600 {
 			device_type = "serial";
 			compatible = "ns16550";

arch/powerpc/boot/dts/mpc8641_hpcn.dts

@@ -211,8 +211,8 @@
 			interrupt-parent = <&mpic>;
 		};
 
-		pci@8000 {
-			compatible = "86xx";
+		pcie@8000 {
+			compatible = "fsl,mpc8641-pcie";
 			device_type = "pci";
 			#interrupt-cells = <1>;
 			#size-cells = <2>;
@@ -399,8 +399,8 @@
 
 		};
 
-		pci@9000 {
-			compatible = "86xx";
+		pcie@9000 {
+			compatible = "fsl,mpc8641-pcie";
 			device_type = "pci";
 			#interrupt-cells = <1>;
 			#size-cells = <2>;

arch/powerpc/kernel/pci_32.c

@@ -415,15 +415,13 @@ probe_resource(struct pci_bus *parent, struct resource *pr,
 	return 0;
 }
 
-static void __init
-update_bridge_base(struct pci_bus *bus, int i)
+void __init
+update_bridge_resource(struct pci_dev *dev, struct resource *res)
 {
-	struct resource *res = bus->resource[i];
 	u8 io_base_lo, io_limit_lo;
 	u16 mem_base, mem_limit;
 	u16 cmd;
 	unsigned long start, end, off;
-	struct pci_dev *dev = bus->self;
 	struct pci_controller *hose = dev->sysdata;
 
 	if (!hose) {
@@ -467,12 +465,20 @@ update_bridge_base(struct pci_bus *bus, int i)
 		pci_write_config_word(dev, PCI_PREF_MEMORY_LIMIT, mem_limit);
 
 	} else {
-		DBG(KERN_ERR "PCI: ugh, bridge %s res %d has flags=%lx\n",
-		    pci_name(dev), i, res->flags);
+		DBG(KERN_ERR "PCI: ugh, bridge %s res has flags=%lx\n",
+		    pci_name(dev), res->flags);
 	}
 	pci_write_config_word(dev, PCI_COMMAND, cmd);
 }
 
+static void __init
+update_bridge_base(struct pci_bus *bus, int i)
+{
+	struct resource *res = bus->resource[i];
+	struct pci_dev *dev = bus->self;
+	update_bridge_resource(dev, res);
+}
+
 static inline void alloc_resource(struct pci_dev *dev, int idx)
 {
 	struct resource *pr, *r = &dev->resource[idx];
@@ -1468,3 +1474,10 @@ EARLY_PCI_OP(read, dword, u32 *)
 EARLY_PCI_OP(write, byte, u8)
 EARLY_PCI_OP(write, word, u16)
 EARLY_PCI_OP(write, dword, u32)
+
+extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap);
+int early_find_capability(struct pci_controller *hose, int bus, int devfn,
+			  int cap)
+{
+	return pci_bus_find_capability(fake_pci_bus(hose, bus), devfn, cap);
+}

arch/powerpc/platforms/82xx/mpc82xx_ads.c

@@ -553,7 +553,8 @@ static void __init mpc82xx_add_bridge(struct device_node *np)
 
 	setup_indirect_pci(hose,
 			   r.start + offsetof(pci_cpm2_t, pci_cfg_addr),
-			   r.start + offsetof(pci_cpm2_t, pci_cfg_data));
+			   r.start + offsetof(pci_cpm2_t, pci_cfg_data),
+			   0);
 
 	pci_process_bridge_OF_ranges(hose, np, 1);
 }

arch/powerpc/platforms/83xx/pci.c

@@ -74,11 +74,11 @@ int __init mpc83xx_add_bridge(struct device_node *dev)
 	 */
 	/* PCI 1 */
 	if ((rsrc.start & 0xfffff) == 0x8500) {
-		setup_indirect_pci(hose, immr + 0x8300, immr + 0x8304);
+		setup_indirect_pci(hose, immr + 0x8300, immr + 0x8304, 0);
 	}
 	/* PCI 2 */
 	if ((rsrc.start & 0xfffff) == 0x8600) {
-		setup_indirect_pci(hose, immr + 0x8380, immr + 0x8384);
+		setup_indirect_pci(hose, immr + 0x8380, immr + 0x8384, 0);
 		primary = 0;
 	}
 

arch/powerpc/platforms/85xx/Kconfig

@@ -18,6 +18,7 @@ config MPC8560_ADS
 config MPC85xx_CDS
 	bool "Freescale MPC85xx CDS"
 	select DEFAULT_UIMAGE
+	select PPC_I8259
 	help
 	  This option enables support for the MPC85xx CDS board
 
@@ -30,6 +31,7 @@ config MPC85xx_MDS
 
 config MPC8544_DS
 	bool "Freescale MPC8544 DS"
+	select PPC_I8259
 	select DEFAULT_UIMAGE
 	help
 	  This option enables support for the MPC8544 DS board
@@ -50,9 +52,9 @@ config MPC8560
 config MPC85xx
 	bool
 	select PPC_UDBG_16550
-	select PPC_INDIRECT_PCI
-	select PPC_INDIRECT_PCI_BE
+	select PPC_INDIRECT_PCI if PCI
 	select MPIC
+	select FSL_PCI if PCI
 	select SERIAL_8250_SHARE_IRQ if SERIAL_8250
 	default y if MPC8540_ADS || MPC85xx_CDS || MPC8560_ADS \
 		|| MPC85xx_MDS || MPC8544_DS

arch/powerpc/platforms/85xx/Makefile

 #
 # Makefile for the PowerPC 85xx linux kernel.
 #
-obj-$(CONFIG_PPC_85xx)	+= misc.o pci.o
+obj-$(CONFIG_PPC_85xx)	+= misc.o
 obj-$(CONFIG_MPC8540_ADS) += mpc85xx_ads.o
 obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o
 obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o

arch/powerpc/platforms/85xx/mpc8544_ds.c

@@ -2,6 +2,8 @@
  * MPC8544 DS Board Setup
  *
  * Author Xianghua Xiao (x.xiao@freescale.com)
+ * Roy Zang <tie-fei.zang@freescale.com>
+ * 	- Add PCI/PCI Exprees support
  * Copyright 2007 Freescale Semiconductor Inc.
  *
  * This program is free software; you can redistribute  it and/or modify it
@@ -12,13 +14,16 @@
 
 #include <linux/stddef.h>
 #include <linux/kernel.h>
+#include <linux/pci.h>
 #include <linux/kdev_t.h>
 #include <linux/delay.h>
 #include <linux/seq_file.h>
+#include <linux/interrupt.h>
 
 #include <asm/system.h>
 #include <asm/time.h>
 #include <asm/machdep.h>
+#include <asm/pci-bridge.h>
 #include <asm/mpc85xx.h>
 #include <mm/mmu_decl.h>
 #include <asm/prom.h>
@@ -27,6 +32,7 @@
 #include <asm/i8259.h>
 
 #include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
 #include "mpc85xx.h"
 
 #undef DEBUG
@@ -37,6 +43,17 @@
 #define DBG(fmt, args...)
 #endif
 
+#ifdef CONFIG_PPC_I8259
+static void mpc8544_8259_cascade(unsigned int irq, struct irq_desc *desc)
+{
+	unsigned int cascade_irq = i8259_irq();
+
+	if (cascade_irq != NO_IRQ) {
+		generic_handle_irq(cascade_irq);
+	}
+	desc->chip->eoi(irq);
+}
+#endif	/* CONFIG_PPC_I8259 */
 
 void __init mpc8544_ds_pic_init(void)
 {
@@ -96,19 +113,240 @@ void __init mpc8544_ds_pic_init(void)
 #endif	/* CONFIG_PPC_I8259 */
 }
 
+#ifdef CONFIG_PCI
+enum pirq { PIRQA = 8, PIRQB, PIRQC, PIRQD, PIRQE, PIRQF, PIRQG, PIRQH };
+
+/*
+ * Value in  table -- IRQ number
+ */
+const unsigned char uli1575_irq_route_table[16] = {
+	0,		/* 0: Reserved */
+	0x8,
+	0,		/* 2: Reserved */
+	0x2,
+	0x4,
+	0x5,
+	0x7,
+	0x6,
+	0,		/* 8: Reserved */
+	0x1,
+	0x3,
+	0x9,
+	0xb,
+	0,		/* 13: Reserved */
+	0xd,
+	0xf,
+};
+
+static int __devinit
+get_pci_irq_from_of(struct pci_controller *hose, int slot, int pin)
+{
+	struct of_irq oirq;
+	u32 laddr[3];
+	struct device_node *hosenode = hose ? hose->arch_data : NULL;
+
+	if (!hosenode)
+		return -EINVAL;
+
+	laddr[0] = (hose->first_busno << 16) | (PCI_DEVFN(slot, 0) << 8);
+	laddr[1] = laddr[2] = 0;
+	of_irq_map_raw(hosenode, &pin, 1, laddr, &oirq);
+	DBG("mpc8544_ds: pci irq addr %x, slot %d, pin %d, irq %d\n",
+	    laddr[0], slot, pin, oirq.specifier[0]);
+	return oirq.specifier[0];
+}
+
+/*8259*/
+static void __devinit quirk_uli1575(struct pci_dev *dev)
+{
+	unsigned short temp;
+	struct pci_controller *hose = pci_bus_to_host(dev->bus);
+	unsigned char irq2pin[16];
+	unsigned long pirq_map_word = 0;
+	u32 irq;
+	int i;
+
+	/*
+	 * ULI1575 interrupts route setup
+	 */
+	memset(irq2pin, 0, 16);	/* Initialize default value 0 */
+
+	irq2pin[6]=PIRQA+3;	/* enabled mapping for IRQ6 to PIRQD, used by SATA */
+
+	/*
+	 * PIRQE -> PIRQF mapping set manually
+	 *
+	 * IRQ pin   IRQ#
+	 * PIRQE ---- 9
+	 * PIRQF ---- 10
+	 * PIRQG ---- 11
+	 * PIRQH ---- 12
+	 */
+	for (i = 0; i < 4; i++)
+		irq2pin[i + 9] = PIRQE + i;
+
+	/* Set IRQ-PIRQ Mapping to ULI1575 */
+	for (i = 0; i < 16; i++)
+		if (irq2pin[i])
+			pirq_map_word |= (uli1575_irq_route_table[i] & 0xf)
+			    << ((irq2pin[i] - PIRQA) * 4);
+
+	pirq_map_word |= 1<<26;	/* disable INTx in EP mode*/
+
+	/* ULI1575 IRQ mapping conf register default value is 0xb9317542 */
+	DBG("Setup ULI1575 IRQ mapping configuration register value = 0x%x\n",
+		(int)pirq_map_word);
+	pci_write_config_dword(dev, 0x48, pirq_map_word);
+
+#define ULI1575_SET_DEV_IRQ(slot, pin, reg)				\
+	do {								\
+		int irq;						\
+		irq = get_pci_irq_from_of(hose, slot, pin);		\
+		if (irq > 0 && irq < 16) 				\
+			pci_write_config_byte(dev, reg, irq2pin[irq]);	\
+		else							\
+			printk(KERN_WARNING "ULI1575 device"		\
+				"(slot %d, pin %d) irq %d is invalid.\n", \
+				slot, pin, irq);			\
+	} while(0)
+
+	/* USB 1.1 OHCI controller 1, slot 28, pin 1 */
+	ULI1575_SET_DEV_IRQ(28, 1, 0x86);
+
+	/* USB 1.1 OHCI controller 2, slot 28, pin 2 */
+	ULI1575_SET_DEV_IRQ(28, 2, 0x87);
+
+	/* USB 1.1 OHCI controller 3, slot 28, pin 3 */
+	ULI1575_SET_DEV_IRQ(28, 3, 0x88);
+
+	/* USB 2.0 controller, slot 28, pin 4 */
+	irq = get_pci_irq_from_of(hose, 28, 4);
+	if (irq >= 0 && irq <= 15)
+		pci_write_config_dword(dev, 0x74, uli1575_irq_route_table[irq]);
+
+	/* Audio controller, slot 29, pin 1 */
+	ULI1575_SET_DEV_IRQ(29, 1, 0x8a);
+
+	/* Modem controller, slot 29, pin 2 */
+	ULI1575_SET_DEV_IRQ(29, 2, 0x8b);
+
+	/* HD audio controller, slot 29, pin 3 */
+	ULI1575_SET_DEV_IRQ(29, 3, 0x8c);
+
+	/* SMB interrupt: slot 30, pin 1 */
+	ULI1575_SET_DEV_IRQ(30, 1, 0x8e);
+
+	/* PMU ACPI SCI interrupt: slot 30, pin 2 */
+	ULI1575_SET_DEV_IRQ(30, 2, 0x8f);
+
+	/* Serial ATA interrupt: slot 31, pin 1 */
+	ULI1575_SET_DEV_IRQ(31, 1, 0x8d);
+
+	/* Primary PATA IDE IRQ: 14
+	 * Secondary PATA IDE IRQ: 15
+	 */
+	pci_write_config_byte(dev, 0x44, 0x30 | uli1575_irq_route_table[14]);
+	pci_write_config_byte(dev, 0x75, uli1575_irq_route_table[15]);
+
+	/* Set IRQ14 and IRQ15 to legacy IRQs */
+	pci_read_config_word(dev, 0x46, &temp);
+	temp |= 0xc000;
+	pci_write_config_word(dev, 0x46, temp);
+
+	/* Set i8259 interrupt trigger
+	 * IRQ 3:  Level
+	 * IRQ 4:  Level
+	 * IRQ 5:  Level
+	 * IRQ 6:  Level
+	 * IRQ 7:  Level
+	 * IRQ 9:  Level
+	 * IRQ 10: Level
+	 * IRQ 11: Level
+	 * IRQ 12: Level
+	 * IRQ 14: Edge
+	 * IRQ 15: Edge
+	 */
+	outb(0xfa, 0x4d0);
+	outb(0x1e, 0x4d1);
+
+#undef ULI1575_SET_DEV_IRQ
+}
+
+/* SATA */
+static void __devinit quirk_uli5288(struct pci_dev *dev)
+{
+	unsigned char c;
+
+	pci_read_config_byte(dev, 0x83, &c);
+	c |= 0x80;		/* read/write lock */
+	pci_write_config_byte(dev, 0x83, c);
+
+	pci_write_config_byte(dev, 0x09, 0x01);	/* Base class code: storage */
+	pci_write_config_byte(dev, 0x0a, 0x06);	/* IDE disk */
+
+	pci_read_config_byte(dev, 0x83, &c);
+	c &= 0x7f;
+	pci_write_config_byte(dev, 0x83, c);
+
+	pci_read_config_byte(dev, 0x84, &c);
+	c |= 0x01;				/* emulated PATA mode enabled */
+	pci_write_config_byte(dev, 0x84, c);
+}
+
+/* PATA */
+static void __devinit quirk_uli5229(struct pci_dev *dev)
+{
+	unsigned short temp;
+	pci_write_config_word(dev, 0x04, 0x0405);	/* MEM IO MSI */
+	pci_read_config_word(dev, 0x4a, &temp);
+	temp |= 0x1000;				/* Enable Native IRQ 14/15 */
+	pci_write_config_word(dev, 0x4a, temp);
+}
+
+/*Bridge*/
+static void __devinit early_uli5249(struct pci_dev *dev)
+{
+	unsigned char temp;
+	pci_write_config_word(dev, 0x04, 0x0007);	/* mem access */
+	pci_read_config_byte(dev, 0x7c, &temp);
+	pci_write_config_byte(dev, 0x7c, 0x80);	/* R/W lock control */
+	pci_write_config_byte(dev, 0x09, 0x01);	/* set as pci-pci bridge */
+	pci_write_config_byte(dev, 0x7c, temp);	/* restore pci bus debug control */
+	dev->class |= 0x1;
+}
+
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, quirk_uli1575);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5288, quirk_uli5288);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, quirk_uli5229);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AL, 0x5249, early_uli5249);
+#endif	/* CONFIG_PCI */
 
 /*
  * Setup the architecture
  */
 static void __init mpc8544_ds_setup_arch(void)
 {
+#ifdef CONFIG_PCI
+	struct device_node *np;
+#endif
+
 	if (ppc_md.progress)
 		ppc_md.progress("mpc8544_ds_setup_arch()", 0);
 
+#ifdef CONFIG_PCI
+	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) {
+		struct resource rsrc;
+		of_address_to_resource(np, 0, &rsrc);
+		if ((rsrc.start & 0xfffff) == 0xb000)
+			fsl_add_bridge(np, 1);
+		else
+			fsl_add_bridge(np, 0);
+	}
+#endif
+
 	printk("MPC8544 DS board from Freescale Semiconductor\n");
 }
 
-
 /*
  * Called very early, device-tree isn't unflattened
  */
@@ -124,6 +362,7 @@ define_machine(mpc8544_ds) {
 	.probe			= mpc8544_ds_probe,
 	.setup_arch		= mpc8544_ds_setup_arch,
 	.init_IRQ		= mpc8544_ds_pic_init,
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 	.get_irq		= mpic_get_irq,
 	.restart		= mpc85xx_restart,
 	.calibrate_decr		= generic_calibrate_decr,

arch/powerpc/platforms/85xx/mpc85xx.h

@@ -15,4 +15,3 @@
  */
 
 extern void mpc85xx_restart(char *);
-extern int mpc85xx_add_bridge(struct device_node *dev);

arch/powerpc/platforms/85xx/mpc85xx_ads.c

@@ -29,6 +29,7 @@
 #include <asm/udbg.h>
 
 #include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
 #include "mpc85xx.h"
 
 #ifdef CONFIG_CPM2
@@ -217,7 +218,7 @@ static void __init mpc85xx_ads_setup_arch(void)
 
 #ifdef CONFIG_PCI
 	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
-		mpc85xx_add_bridge(np);
+		fsl_add_bridge(np, 1);
 	ppc_md.pci_exclude_device = mpc85xx_exclude_device;
 #endif
 }

arch/powerpc/platforms/85xx/mpc85xx_cds.c

@@ -24,6 +24,7 @@
 #include <linux/seq_file.h>
 #include <linux/initrd.h>
 #include <linux/module.h>
+#include <linux/interrupt.h>
 #include <linux/fsl_devices.h>
 
 #include <asm/system.h>
@@ -45,6 +46,7 @@
 #include <asm/i8259.h>
 
 #include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
 #include "mpc85xx.h"
 
 static int cds_pci_slot = 2;
@@ -58,8 +60,6 @@ static volatile u8 *cadmus;
 static int mpc85xx_exclude_device(struct pci_controller *hose,
 				  u_char bus, u_char devfn)
 {
-	if ((bus == hose->first_busno) && PCI_SLOT(devfn) == 0)
-		return PCIBIOS_DEVICE_NOT_FOUND;
 	/* We explicitly do not go past the Tundra 320 Bridge */
 	if ((bus == 1) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL))
 		return PCIBIOS_DEVICE_NOT_FOUND;
@@ -69,6 +69,37 @@ static int mpc85xx_exclude_device(struct pci_controller *hose,
 		return PCIBIOS_SUCCESSFUL;
 }
 
+static void mpc85xx_cds_restart(char *cmd)
+{
+	struct pci_dev *dev;
+	u_char tmp;
+
+	if ((dev = pci_get_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686,
+					NULL))) {
+
+		/* Use the VIA Super Southbridge to force a PCI reset */
+		pci_read_config_byte(dev, 0x47, &tmp);
+		pci_write_config_byte(dev, 0x47, tmp | 1);
+
+		/* Flush the outbound PCI write queues */
+		pci_read_config_byte(dev, 0x47, &tmp);
+
+		/*
+		 *  At this point, the harware reset should have triggered.
+		 *  However, if it doesn't work for some mysterious reason,
+		 *  just fall through to the default reset below.
+		 */
+
+		pci_dev_put(dev);
+	}
+
+	/*
+	 *  If we can't find the VIA chip (maybe the P2P bridge is disabled)
+	 *  or the VIA chip reset didn't work, just use the default reset.
+	 */
+	mpc85xx_restart(NULL);
+}
+
 static void __init mpc85xx_cds_pci_irq_fixup(struct pci_dev *dev)
 {
 	u_char c;
@@ -98,7 +129,7 @@ static void __init mpc85xx_cds_pci_irq_fixup(struct pci_dev *dev)
 		/* There are two USB controllers.
 		 * Identify them by functon number
 		 */
-			if (PCI_FUNC(dev->devfn))
+			if (PCI_FUNC(dev->devfn) == 3)
 				dev->irq = 11;
 			else
 				dev->irq = 10;
@@ -109,17 +140,41 @@ static void __init mpc85xx_cds_pci_irq_fixup(struct pci_dev *dev)
 	}
 }
 
+static void __devinit skip_fake_bridge(struct pci_dev *dev)
+{
+	/* Make it an error to skip the fake bridge
+	 * in pci_setup_device() in probe.c */
+	dev->hdr_type = 0x7f;
+}
+DECLARE_PCI_FIXUP_EARLY(0x1957, 0x3fff, skip_fake_bridge);
+DECLARE_PCI_FIXUP_EARLY(0x3fff, 0x1957, skip_fake_bridge);
+DECLARE_PCI_FIXUP_EARLY(0xff3f, 0x5719, skip_fake_bridge);
+
 #ifdef CONFIG_PPC_I8259
-#warning The i8259 PIC support is currently broken
-static void mpc85xx_8259_cascade(unsigned int irq, struct irq_desc *desc)
+static void mpc85xx_8259_cascade_handler(unsigned int irq,
+					 struct irq_desc *desc)
 {
 	unsigned int cascade_irq = i8259_irq();
 
 	if (cascade_irq != NO_IRQ)
+		/* handle an interrupt from the 8259 */
 		generic_handle_irq(cascade_irq);
 
-	desc->chip->eoi(irq);
+	/* check for any interrupts from the shared IRQ line */
+	handle_fasteoi_irq(irq, desc);
+}
+
+static irqreturn_t mpc85xx_8259_cascade_action(int irq, void *dev_id)
+{
+	return IRQ_HANDLED;
 }
+
+static struct irqaction mpc85xxcds_8259_irqaction = {
+	.handler = mpc85xx_8259_cascade_action,
+	.flags = IRQF_SHARED,
+	.mask = CPU_MASK_NONE,
+	.name = "8259 cascade",
+};
 #endif /* PPC_I8259 */
 #endif /* CONFIG_PCI */
 
@@ -128,10 +183,6 @@ static void __init mpc85xx_cds_pic_init(void)
 	struct mpic *mpic;
 	struct resource r;
 	struct device_node *np = NULL;
-#ifdef CONFIG_PPC_I8259
-	struct device_node *cascade_node = NULL;
-	int cascade_irq;
-#endif
 
 	np = of_find_node_by_type(np, "open-pic");
 
@@ -155,8 +206,19 @@ static void __init mpc85xx_cds_pic_init(void)
 	of_node_put(np);
 
 	mpic_init(mpic);
+}
+
+#if defined(CONFIG_PPC_I8259) && defined(CONFIG_PCI)
+static int mpc85xx_cds_8259_attach(void)
+{
+	int ret;
+	struct device_node *np = NULL;
+	struct device_node *cascade_node = NULL;
+	int cascade_irq;
+
+	if (!machine_is(mpc85xx_cds))
+		return 0;
 
-#ifdef CONFIG_PPC_I8259
 	/* Initialize the i8259 controller */
 	for_each_node_by_type(np, "interrupt-controller")
 		if (of_device_is_compatible(np, "chrp,iic")) {
@@ -166,22 +228,39 @@ static void __init mpc85xx_cds_pic_init(void)
 
 	if (cascade_node == NULL) {
 		printk(KERN_DEBUG "Could not find i8259 PIC\n");
-		return;
+		return -ENODEV;
 	}
 
 	cascade_irq = irq_of_parse_and_map(cascade_node, 0);
 	if (cascade_irq == NO_IRQ) {
 		printk(KERN_ERR "Failed to map cascade interrupt\n");
-		return;
+		return -ENXIO;
 	}
 
 	i8259_init(cascade_node, 0);
 	of_node_put(cascade_node);
 
-	set_irq_chained_handler(cascade_irq, mpc85xx_8259_cascade);
-#endif /* CONFIG_PPC_I8259 */
+	/*
+	 *  Hook the interrupt to make sure desc->action is never NULL.
+	 *  This is required to ensure that the interrupt does not get
+	 *  disabled when the last user of the shared IRQ line frees their
+	 *  interrupt.
+	 */
+	if ((ret = setup_irq(cascade_irq, &mpc85xxcds_8259_irqaction))) {
+		printk(KERN_ERR "Failed to setup cascade interrupt\n");
+		return ret;
+	}
+
+	/* Success. Connect our low-level cascade handler. */
+	set_irq_handler(cascade_irq, mpc85xx_8259_cascade_handler);
+
+	return 0;
 }
 
+device_initcall(mpc85xx_cds_8259_attach);
+
+#endif /* CONFIG_PPC_I8259 */
+
 /*
  * Setup the architecture
  */
@@ -218,9 +297,14 @@ static void __init mpc85xx_cds_setup_arch(void)
 	}
 
 #ifdef CONFIG_PCI
-	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
-		mpc85xx_add_bridge(np);
-
+	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) {
+		struct resource rsrc;
+		of_address_to_resource(np, 0, &rsrc);
+		if ((rsrc.start & 0xfffff) == 0x8000)
+			fsl_add_bridge(np, 1);
+		else
+			fsl_add_bridge(np, 0);
+	}
 	ppc_md.pci_irq_fixup = mpc85xx_cds_pci_irq_fixup;
 	ppc_md.pci_exclude_device = mpc85xx_exclude_device;
 #endif
@@ -265,7 +349,12 @@ define_machine(mpc85xx_cds) {
 	.init_IRQ	= mpc85xx_cds_pic_init,
 	.show_cpuinfo	= mpc85xx_cds_show_cpuinfo,
 	.get_irq	= mpic_get_irq,
+#ifdef CONFIG_PCI
+	.restart	= mpc85xx_cds_restart,
+#else
 	.restart	= mpc85xx_restart,
+#endif
 	.calibrate_decr = generic_calibrate_decr,
 	.progress	= udbg_progress,
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 };

arch/powerpc/platforms/85xx/mpc85xx_mds.c

@@ -46,6 +46,7 @@
 #include <asm/prom.h>
 #include <asm/udbg.h>
 #include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
 #include <asm/qe.h>
 #include <asm/qe_ic.h>
 #include <asm/mpic.h>
@@ -94,9 +95,8 @@ static void __init mpc85xx_mds_setup_arch(void)
 	}
 
 #ifdef CONFIG_PCI
-	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) {
-		mpc85xx_add_bridge(np);
-	}
+	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
+		fsl_add_bridge(np, 1);
 	of_node_put(np);
 #endif
 
@@ -208,4 +208,5 @@ define_machine(mpc85xx_mds) {
 	.restart	= mpc85xx_restart,
 	.calibrate_decr	= generic_calibrate_decr,
 	.progress	= udbg_progress,
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 };

arch/powerpc/platforms/85xx/pci.c

-/*
- * FSL SoC setup code
- *
- * Maintained by Kumar Gala (see MAINTAINERS for contact information)
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-
-#include <linux/stddef.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-#include <linux/irq.h>
-#include <linux/module.h>
-
-#include <asm/system.h>
-#include <asm/atomic.h>
-#include <asm/io.h>
-#include <asm/pci-bridge.h>
-#include <asm/prom.h>
-#include <sysdev/fsl_soc.h>
-
-#undef DEBUG
-
-#ifdef DEBUG
-#define DBG(x...) printk(x)
-#else
-#define DBG(x...)
-#endif
-
-#ifdef CONFIG_PCI
-int __init mpc85xx_add_bridge(struct device_node *dev)
-{
-	int len;
-	struct pci_controller *hose;
-	struct resource rsrc;
-	const int *bus_range;
-	int primary = 1, has_address = 0;
-	phys_addr_t immr = get_immrbase();
-
-	DBG("Adding PCI host bridge %s\n", dev->full_name);
-
-	/* Fetch host bridge registers address */
-	has_address = (of_address_to_resource(dev, 0, &rsrc) == 0);
-
-	/* Get bus range if any */
-	bus_range = of_get_property(dev, "bus-range", &len);
-	if (bus_range == NULL || len < 2 * sizeof(int)) {
-		printk(KERN_WARNING "Can't get bus-range for %s, assume"
-		       " bus 0\n", dev->full_name);
-	}
-
-	pci_assign_all_buses = 1;
-	hose = pcibios_alloc_controller(dev);
-	if (!hose)
-		return -ENOMEM;
-
-	hose->first_busno = bus_range ? bus_range[0] : 0;
-	hose->last_busno = bus_range ? bus_range[1] : 0xff;
-
-	/* PCI 1 */
-	if ((rsrc.start & 0xfffff) == 0x8000) {
-		setup_indirect_pci(hose, immr + 0x8000, immr + 0x8004);
-	}
-	/* PCI 2 */
-	if ((rsrc.start & 0xfffff) == 0x9000) {
-		setup_indirect_pci(hose, immr + 0x9000, immr + 0x9004);
-		primary = 0;
-	}
-
-	printk(KERN_INFO "Found MPC85xx PCI host bridge at 0x%016llx. "
-	       "Firmware bus number: %d->%d\n",
-		(unsigned long long)rsrc.start, hose->first_busno,
-		hose->last_busno);
-
-	DBG(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n",
-		hose, hose->cfg_addr, hose->cfg_data);
-
-	/* Interpret the "ranges" property */
-	/* This also maps the I/O region and sets isa_io/mem_base */
-	pci_process_bridge_OF_ranges(hose, dev, primary);
-
-	return 0;
-}
-
-#endif

arch/powerpc/platforms/86xx/Kconfig

@@ -14,8 +14,7 @@ endchoice
 
 config MPC8641
 	bool
-	select PPC_INDIRECT_PCI
-	select PPC_INDIRECT_PCI_BE
+	select FSL_PCI if PCI
 	select PPC_UDBG_16550
 	select MPIC
 	default y if MPC8641_HPCN

arch/powerpc/platforms/86xx/Makefile

@@ -4,4 +4,3 @@
 
 obj-$(CONFIG_SMP)		+= mpc86xx_smp.o
 obj-$(CONFIG_MPC8641_HPCN)	+= mpc86xx_hpcn.o
-obj-$(CONFIG_PCI)		+= pci.o

arch/powerpc/platforms/86xx/mpc86xx.h

@@ -15,11 +15,6 @@
  * mpc86xx_* files. Mostly for use by mpc86xx_setup().
  */
 
-extern int mpc86xx_add_bridge(struct device_node *dev);
-
-extern int mpc86xx_exclude_device(struct pci_controller *hose,
-				  u_char bus, u_char devfn);
-
 extern void __init mpc86xx_smp_init(void);
 
 #endif	/* __MPC86XX_H__ */

arch/powerpc/platforms/86xx/mpc86xx_hpcn.c

@@ -31,6 +31,7 @@
 
 #include <asm/mpic.h>
 
+#include <sysdev/fsl_pci.h>
 #include <sysdev/fsl_soc.h>
 
 #include "mpc86xx.h"
@@ -344,8 +345,14 @@ mpc86xx_hpcn_setup_arch(void)
 	}
 
 #ifdef CONFIG_PCI
-	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
-		mpc86xx_add_bridge(np);
+	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) {
+		struct resource rsrc;
+		of_address_to_resource(np, 0, &rsrc);
+		if ((rsrc.start & 0xfffff) == 0x8000)
+			fsl_add_bridge(np, 1);
+		else
+			fsl_add_bridge(np, 0);
+	}
 #endif
 
 	printk("MPC86xx HPCN board from Freescale Semiconductor\n");
@@ -424,7 +431,6 @@ mpc86xx_time_init(void)
 	return 0;
 }
 
-
 define_machine(mpc86xx_hpcn) {
 	.name			= "MPC86xx HPCN",
 	.probe			= mpc86xx_hpcn_probe,
@@ -436,4 +442,5 @@ define_machine(mpc86xx_hpcn) {
 	.time_init		= mpc86xx_time_init,
 	.calibrate_decr		= generic_calibrate_decr,
 	.progress		= udbg_progress,
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 };

arch/powerpc/platforms/86xx/pci.c

-/*
- * MPC86XX pci setup code
- *
- * Recode: ZHANG WEI <wei.zhang@freescale.com>
- * Initial author: Xianghua Xiao <x.xiao@freescale.com>
- *
- * Copyright 2006 Freescale Semiconductor Inc.
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-
-#include <linux/types.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/serial.h>
-
-#include <asm/system.h>
-#include <asm/atomic.h>
-#include <asm/io.h>
-#include <asm/prom.h>
-#include <asm/pci-bridge.h>
-#include <sysdev/fsl_soc.h>
-#include <sysdev/fsl_pcie.h>
-
-#include "mpc86xx.h"
-
-#undef DEBUG
-
-#ifdef DEBUG
-#define DBG(fmt, args...) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args)
-#else
-#define DBG(fmt, args...)
-#endif
-
-struct pcie_outbound_window_regs {
-	uint    pexotar;               /* 0x.0 - PCI Express outbound translation address register */
-	uint    pexotear;              /* 0x.4 - PCI Express outbound translation extended address register */
-	uint    pexowbar;              /* 0x.8 - PCI Express outbound window base address register */
-	char    res1[4];
-	uint    pexowar;               /* 0x.10 - PCI Express outbound window attributes register */
-	char    res2[12];
-};
-
-struct pcie_inbound_window_regs {
-	uint    pexitar;               /* 0x.0 - PCI Express inbound translation address register */
-	char    res1[4];
-	uint    pexiwbar;              /* 0x.8 - PCI Express inbound window base address register */
-	uint    pexiwbear;             /* 0x.c - PCI Express inbound window base extended address register */
-	uint    pexiwar;               /* 0x.10 - PCI Express inbound window attributes register */
-	char    res2[12];
-};
-
-static void __init setup_pcie_atmu(struct pci_controller *hose, struct resource *rsrc)
-{
-	volatile struct ccsr_pex *pcie;
-	volatile struct pcie_outbound_window_regs *pcieow;
-	volatile struct pcie_inbound_window_regs *pcieiw;
-	int i = 0;
-
-	DBG("PCIE memory map start 0x%x, size 0x%x\n", rsrc->start,
-			rsrc->end - rsrc->start + 1);
-	pcie = ioremap(rsrc->start, rsrc->end - rsrc->start + 1);
-
-	/* Disable all windows (except pexowar0 since its ignored) */
-	pcie->pexowar1 = 0;
-	pcie->pexowar2 = 0;
- 	pcie->pexowar3 = 0;
- 	pcie->pexowar4 = 0;
- 	pcie->pexiwar1 = 0;
- 	pcie->pexiwar2 = 0;
- 	pcie->pexiwar3 = 0;
-
- 	pcieow = (struct pcie_outbound_window_regs *)&pcie->pexotar1;
- 	pcieiw = (struct pcie_inbound_window_regs *)&pcie->pexitar1;
-
- 	/* Setup outbound MEM window */
- 	for(i = 0; i < 3; i++)
- 		if (hose->mem_resources[i].flags & IORESOURCE_MEM){
- 			DBG("PCIE MEM resource start 0x%08x, size 0x%08x.\n",
- 				hose->mem_resources[i].start,
- 				hose->mem_resources[i].end
- 				  - hose->mem_resources[i].start + 1);
- 			pcieow->pexotar = (hose->mem_resources[i].start) >> 12
- 				& 0x000fffff;
- 			pcieow->pexotear = 0;
- 			pcieow->pexowbar = (hose->mem_resources[i].start) >> 12
- 				& 0x000fffff;
- 			/* Enable, Mem R/W */
- 			pcieow->pexowar = 0x80044000 |
- 				(__ilog2(hose->mem_resources[i].end
- 					 - hose->mem_resources[i].start + 1)
- 				 - 1);
- 			pcieow++;
- 		}
-
- 	/* Setup outbound IO window */
- 	if (hose->io_resource.flags & IORESOURCE_IO){
- 		DBG("PCIE IO resource start 0x%08x, size 0x%08x, phy base 0x%08x.\n",
- 			hose->io_resource.start,
- 			hose->io_resource.end - hose->io_resource.start + 1,
- 			hose->io_base_phys);
- 		pcieow->pexotar = (hose->io_resource.start) >> 12 & 0x000fffff;
- 		pcieow->pexotear = 0;
- 		pcieow->pexowbar = (hose->io_base_phys) >> 12 & 0x000fffff;
- 		/* Enable, IO R/W */
- 		pcieow->pexowar = 0x80088000 | (__ilog2(hose->io_resource.end
- 					- hose->io_resource.start + 1) - 1);
- 	}
-
- 	/* Setup 2G inbound Memory Window @ 0 */
- 	pcieiw->pexitar = 0x00000000;
- 	pcieiw->pexiwbar = 0x00000000;
- 	/* Enable, Prefetch, Local Mem, Snoop R/W, 2G */
- 	pcieiw->pexiwar = 0xa0f5501e;
-}
-
-static void __init
-mpc86xx_setup_pcie(struct pci_controller *hose, u32 pcie_offset, u32 pcie_size)
-{
-	u16 cmd;
-
-	DBG("PCIE host controller register offset 0x%08x, size 0x%08x.\n",
-			pcie_offset, pcie_size);
-
-	early_read_config_word(hose, 0, 0, PCI_COMMAND, &cmd);
-	cmd |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY
-	    | PCI_COMMAND_IO;
-	early_write_config_word(hose, 0, 0, PCI_COMMAND, cmd);
-
-	early_write_config_byte(hose, 0, 0, PCI_LATENCY_TIMER, 0x80);
-}
-
-static void __devinit quirk_fsl_pcie_transparent(struct pci_dev *dev)
-{
-	struct resource *res;
-	int i, res_idx = PCI_BRIDGE_RESOURCES;
-	struct pci_controller *hose;
-
-	/*
-	 * Make the bridge be transparent.
-	 */
-	dev->transparent = 1;
-
-	hose = pci_bus_to_host(dev->bus);
-	if (!hose) {
-		printk(KERN_ERR "Can't find hose for bus %d\n",
-		       dev->bus->number);
-		return;
-	}
-
-	if (hose->io_resource.flags) {
-		res = &dev->resource[res_idx++];
-		res->start = hose->io_resource.start;
-		res->end = hose->io_resource.end;
-		res->flags = hose->io_resource.flags;
-	}
-
-	for (i = 0; i < 3; i++) {
-		res = &dev->resource[res_idx + i];
-		res->start = hose->mem_resources[i].start;
-		res->end = hose->mem_resources[i].end;
-		res->flags = hose->mem_resources[i].flags;
-	}
-}
-
-
-DECLARE_PCI_FIXUP_EARLY(0x1957, 0x7010, quirk_fsl_pcie_transparent);
-DECLARE_PCI_FIXUP_EARLY(0x1957, 0x7011, quirk_fsl_pcie_transparent);
-
-#define PCIE_LTSSM	0x404	/* PCIe Link Training and Status */
-#define PCIE_LTSSM_L0	0x16	/* L0 state */
-
-int __init mpc86xx_add_bridge(struct device_node *dev)
-{
-	int len;
-	struct pci_controller *hose;
-	struct resource rsrc;
-	const int *bus_range;
-	int has_address = 0;
-	int primary = 0;
-	u16 val;
-
-	DBG("Adding PCIE host bridge %s\n", dev->full_name);
-
-	/* Fetch host bridge registers address */
-	has_address = (of_address_to_resource(dev, 0, &rsrc) == 0);
-
-	/* Get bus range if any */
-	bus_range = of_get_property(dev, "bus-range", &len);
-	if (bus_range == NULL || len < 2 * sizeof(int))
-		printk(KERN_WARNING "Can't get bus-range for %s, assume"
-		       " bus 0\n", dev->full_name);
-
-	pci_assign_all_buses = 1;
-	hose = pcibios_alloc_controller(dev);
-	if (!hose)
-		return -ENOMEM;
-
-	hose->indirect_type = PPC_INDIRECT_TYPE_EXT_REG |
-				PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS;
-
-	hose->first_busno = bus_range ? bus_range[0] : 0x0;
-	hose->last_busno = bus_range ? bus_range[1] : 0xff;
-
-	setup_indirect_pci(hose, rsrc.start, rsrc.start + 0x4);
-
-	/* Probe the hose link training status */
-	early_read_config_word(hose, 0, 0, PCIE_LTSSM, &val);
-	if (val < PCIE_LTSSM_L0)
-		return -ENXIO;
-
-	/* Setup the PCIE host controller. */
-	mpc86xx_setup_pcie(hose, rsrc.start, rsrc.end - rsrc.start + 1);
-
-	if ((rsrc.start & 0xfffff) == 0x8000)
-		primary = 1;
-
-	printk(KERN_INFO "Found MPC86xx PCIE host bridge at 0x%08lx. "
-	       "Firmware bus number: %d->%d\n",
-	       (unsigned long) rsrc.start,
-	       hose->first_busno, hose->last_busno);
-
-	DBG(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n",
-		hose, hose->cfg_addr, hose->cfg_data);
-
-	/* Interpret the "ranges" property */
-	/* This also maps the I/O region and sets isa_io/mem_base */
-	pci_process_bridge_OF_ranges(hose, dev, primary);
-
-	/* Setup PEX window registers */
-	setup_pcie_atmu(hose, &rsrc);
-
-	return 0;
-}

arch/powerpc/platforms/chrp/pci.c

@@ -181,7 +181,7 @@ setup_python(struct pci_controller *hose, struct device_node *dev)
 	}
 	iounmap(reg);
 
-	setup_indirect_pci(hose, r.start + 0xf8000, r.start + 0xf8010);
+	setup_indirect_pci(hose, r.start + 0xf8000, r.start + 0xf8010, 0);
 }
 
 /* Marvell Discovery II based Pegasos 2 */
@@ -277,13 +277,14 @@ chrp_find_bridges(void)
 			hose->cfg_data = p;
 			gg2_pci_config_base = p;
 		} else if (is_pegasos == 1) {
-			setup_indirect_pci(hose, 0xfec00cf8, 0xfee00cfc);
+			setup_indirect_pci(hose, 0xfec00cf8, 0xfee00cfc, 0);
 		} else if (is_pegasos == 2) {
 			setup_peg2(hose, dev);
 		} else if (!strncmp(model, "IBM,CPC710", 10)) {
 			setup_indirect_pci(hose,
 					   r.start + 0x000f8000,
-					   r.start + 0x000f8010);
+					   r.start + 0x000f8010,
+					   0);
 			if (index == 0) {
 				dma = of_get_property(dev, "system-dma-base",
 							&len);

arch/powerpc/platforms/embedded6xx/linkstation.c

@@ -73,7 +73,7 @@ static int __init linkstation_add_bridge(struct device_node *dev)
 		return -ENOMEM;
 	hose->first_busno = bus_range ? bus_range[0] : 0;
 	hose->last_busno = bus_range ? bus_range[1] : 0xff;
-	setup_indirect_pci(hose, 0xfec00000, 0xfee00000);
+	setup_indirect_pci(hose, 0xfec00000, 0xfee00000, 0);
 
 	/* Interpret the "ranges" property */
 	/* This also maps the I/O region and sets isa_io/mem_base */

arch/powerpc/sysdev/Makefile

@@ -12,6 +12,7 @@ obj-$(CONFIG_PPC_PMI)		+= pmi.o
 obj-$(CONFIG_U3_DART)		+= dart_iommu.o
 obj-$(CONFIG_MMIO_NVRAM)	+= mmio_nvram.o
 obj-$(CONFIG_FSL_SOC)		+= fsl_soc.o
+obj-$(CONFIG_FSL_PCI)		+= fsl_pci.o
 obj-$(CONFIG_TSI108_BRIDGE)	+= tsi108_pci.o tsi108_dev.o
 obj-$(CONFIG_QUICC_ENGINE)	+= qe_lib/
 mv64x60-$(CONFIG_PCI)		+= mv64x60_pci.o

arch/powerpc/sysdev/fsl_pci.c

+/*
+ * MPC85xx/86xx PCI/PCIE support routing.
+ *
+ * Copyright 2007 Freescale Semiconductor, Inc
+ *
+ * Initial author: Xianghua Xiao <x.xiao@freescale.com>
+ * Recode: ZHANG WEI <wei.zhang@freescale.com>
+ * Rewrite the routing for Frescale PCI and PCI Express
+ * 	Roy Zang <tie-fei.zang@freescale.com>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/init.h>
+#include <linux/bootmem.h>
+
+#include <asm/io.h>
+#include <asm/prom.h>
+#include <asm/pci-bridge.h>
+#include <asm/machdep.h>
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+
+/* atmu setup for fsl pci/pcie controller */
+void __init setup_pci_atmu(struct pci_controller *hose, struct resource *rsrc)
+{
+	struct ccsr_pci __iomem *pci;
+	int i;
+
+	pr_debug("PCI memory map start 0x%x, size 0x%x\n", rsrc->start,
+			rsrc->end - rsrc->start + 1);
+	pci = ioremap(rsrc->start, rsrc->end - rsrc->start + 1);
+
+	/* Disable all windows (except powar0 since its ignored) */
+	for(i = 1; i < 5; i++)
+		out_be32(&pci->pow[i].powar, 0);
+	for(i = 0; i < 3; i++)
+		out_be32(&pci->piw[i].piwar, 0);
+
+	/* Setup outbound MEM window */
+	for(i = 0; i < 3; i++)
+		if (hose->mem_resources[i].flags & IORESOURCE_MEM){
+			pr_debug("PCI MEM resource start 0x%08x, size 0x%08x.\n",
+				hose->mem_resources[i].start,
+				hose->mem_resources[i].end
+				  - hose->mem_resources[i].start + 1);
+			out_be32(&pci->pow[i+1].potar,
+				(hose->mem_resources[i].start >> 12)
+				& 0x000fffff);
+			out_be32(&pci->pow[i+1].potear, 0);
+			out_be32(&pci->pow[i+1].powbar,
+				(hose->mem_resources[i].start >> 12)
+				& 0x000fffff);
+			/* Enable, Mem R/W */
+			out_be32(&pci->pow[i+1].powar, 0x80044000
+				| (__ilog2(hose->mem_resources[i].end
+				- hose->mem_resources[i].start + 1) - 1));
+		}
+
+	/* Setup outbound IO window */
+	if (hose->io_resource.flags & IORESOURCE_IO){
+		pr_debug("PCI IO resource start 0x%08x, size 0x%08x, phy base 0x%08x.\n",
+			hose->io_resource.start,
+			hose->io_resource.end - hose->io_resource.start + 1,
+			hose->io_base_phys);
+		out_be32(&pci->pow[i+1].potar, (hose->io_resource.start >> 12)
+				& 0x000fffff);
+		out_be32(&pci->pow[i+1].potear, 0);
+		out_be32(&pci->pow[i+1].powbar, (hose->io_base_phys >> 12)
+				& 0x000fffff);
+		/* Enable, IO R/W */
+		out_be32(&pci->pow[i+1].powar, 0x80088000
+			| (__ilog2(hose->io_resource.end
+			- hose->io_resource.start + 1) - 1));
+	}
+
+	/* Setup 2G inbound Memory Window @ 1 */
+	out_be32(&pci->piw[2].pitar, 0x00000000);
+	out_be32(&pci->piw[2].piwbar,0x00000000);
+	out_be32(&pci->piw[2].piwar, PIWAR_2G);
+}
+
+void __init setup_pci_cmd(struct pci_controller *hose)
+{
+	u16 cmd;
+	int cap_x;
+
+	early_read_config_word(hose, 0, 0, PCI_COMMAND, &cmd);
+	cmd |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY
+		| PCI_COMMAND_IO;
+	early_write_config_word(hose, 0, 0, PCI_COMMAND, cmd);
+
+	cap_x = early_find_capability(hose, 0, 0, PCI_CAP_ID_PCIX);
+	if (cap_x) {
+		int pci_x_cmd = cap_x + PCI_X_CMD;
+		cmd = PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ
+			| PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E;
+		early_write_config_word(hose, 0, 0, pci_x_cmd, cmd);
+	} else {
+		early_write_config_byte(hose, 0, 0, PCI_LATENCY_TIMER, 0x80);
+	}
+}
+
+static void __devinit quirk_fsl_pcie_transparent(struct pci_dev *dev)
+{
+	struct resource *res;
+	int i, res_idx = PCI_BRIDGE_RESOURCES;
+	struct pci_controller *hose;
+
+	/* if we aren't a PCIe don't bother */
+	if (!pci_find_capability(dev, PCI_CAP_ID_EXP))
+		return ;
+
+	/*
+	 * Make the bridge be transparent.
+	 */
+	dev->transparent = 1;
+
+	hose = pci_bus_to_host(dev->bus);
+	if (!hose) {
+		printk(KERN_ERR "Can't find hose for bus %d\n",
+		       dev->bus->number);
+		return;
+	}
+
+	/* Clear out any of the virtual P2P bridge registers */
+	pci_write_config_word(dev, PCI_IO_BASE_UPPER16, 0);
+	pci_write_config_word(dev, PCI_IO_LIMIT_UPPER16, 0);
+	pci_write_config_byte(dev, PCI_IO_BASE, 0x10);
+	pci_write_config_byte(dev, PCI_IO_LIMIT, 0);
+	pci_write_config_word(dev, PCI_MEMORY_BASE, 0x10);
+	pci_write_config_word(dev, PCI_MEMORY_LIMIT, 0);
+	pci_write_config_word(dev, PCI_PREF_BASE_UPPER32, 0x0);
+	pci_write_config_word(dev, PCI_PREF_LIMIT_UPPER32, 0x0);
+	pci_write_config_word(dev, PCI_PREF_MEMORY_BASE, 0x10);
+	pci_write_config_word(dev, PCI_PREF_MEMORY_LIMIT, 0);
+
+	if (hose->io_resource.flags) {
+		res = &dev->resource[res_idx++];
+		res->start = hose->io_resource.start;
+		res->end = hose->io_resource.end;
+		res->flags = hose->io_resource.flags;
+		update_bridge_resource(dev, res);
+	}
+
+	for (i = 0; i < 3; i++) {
+		res = &dev->resource[res_idx + i];
+		res->start = hose->mem_resources[i].start;
+		res->end = hose->mem_resources[i].end;
+		res->flags = hose->mem_resources[i].flags;
+		update_bridge_resource(dev, res);
+	}
+}
+
+int __init fsl_pcie_check_link(struct pci_controller *hose)
+{
+	u16 val;
+	early_read_config_word(hose, 0, 0, PCIE_LTSSM, &val);
+	if (val < PCIE_LTSSM_L0)
+		return 1;
+	return 0;
+}
+
+void fsl_pcibios_fixup_bus(struct pci_bus *bus)
+{
+	struct pci_controller *hose = (struct pci_controller *) bus->sysdata;
+	int i;
+
+	/* deal with bogus pci_bus when we don't have anything connected on PCIe */
+	if (hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK) {
+		if (bus->parent) {
+			for (i = 0; i < 4; ++i)
+				bus->resource[i] = bus->parent->resource[i];
+		}
+	}
+}
+
+int __init fsl_add_bridge(struct device_node *dev, int is_primary)
+{
+	int len;
+	struct pci_controller *hose;
+	struct resource rsrc;
+	const int *bus_range;
+
+	pr_debug("Adding PCI host bridge %s\n", dev->full_name);
+
+	/* Fetch host bridge registers address */
+	if (of_address_to_resource(dev, 0, &rsrc)) {
+		printk(KERN_WARNING "Can't get pci register base!");
+		return -ENOMEM;
+	}
+
+	/* Get bus range if any */
+	bus_range = of_get_property(dev, "bus-range", &len);
+	if (bus_range == NULL || len < 2 * sizeof(int))
+		printk(KERN_WARNING "Can't get bus-range for %s, assume"
+			" bus 0\n", dev->full_name);
+
+	pci_assign_all_buses = 1;
+	hose = pcibios_alloc_controller(dev);
+	if (!hose)
+		return -ENOMEM;
+
+	hose->first_busno = bus_range ? bus_range[0] : 0x0;
+	hose->last_busno = bus_range ? bus_range[1] : 0xff;
+
+	setup_indirect_pci(hose, rsrc.start, rsrc.start + 0x4,
+		PPC_INDIRECT_TYPE_BIG_ENDIAN);
+	setup_pci_cmd(hose);
+
+	/* check PCI express link status */
+	if (early_find_capability(hose, 0, 0, PCI_CAP_ID_EXP)) {
+		hose->indirect_type = PPC_INDIRECT_TYPE_EXT_REG |
+			PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS;
+		if (fsl_pcie_check_link(hose))
+			hose->indirect_type |= PPC_INDIRECT_TYPE_NO_PCIE_LINK;
+	}
+
+	printk(KERN_INFO "Found FSL PCI host bridge at 0x%016llx."
+		"Firmware bus number: %d->%d\n",
+		(unsigned long long)rsrc.start, hose->first_busno,
+		hose->last_busno);
+
+	pr_debug(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n",
+		hose, hose->cfg_addr, hose->cfg_data);
+
+	/* Interpret the "ranges" property */
+	/* This also maps the I/O region and sets isa_io/mem_base */
+	pci_process_bridge_OF_ranges(hose, dev, is_primary);
+
+	/* Setup PEX window registers */
+	setup_pci_atmu(hose, &rsrc);
+
+	return 0;
+}
+
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8548E, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8548, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8543E, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8543, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8547E, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8545E, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8545, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8568E, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8568, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8567E, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8567, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8544E, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8544, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8641, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8641D, quirk_fsl_pcie_transparent);

arch/powerpc/sysdev/fsl_pci.h

+/*
+ * MPC85xx/86xx PCI Express structure define
+ *
+ * Copyright 2007 Freescale Semiconductor, Inc
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifdef __KERNEL__
+#ifndef __POWERPC_FSL_PCI_H
+#define __POWERPC_FSL_PCI_H
+
+#define PCIE_LTSSM	0x0404		/* PCIE Link Training and Status */
+#define PCIE_LTSSM_L0	0x16		/* L0 state */
+#define PIWAR_2G	0xa0f5501e	/* Enable, Prefetch, Local Mem, Snoop R/W, 2G */
+
+/* PCI/PCI Express outbound window reg */
+struct pci_outbound_window_regs {
+	__be32	potar;	/* 0x.0 - Outbound translation address register */
+	__be32	potear;	/* 0x.4 - Outbound translation extended address register */
+	__be32	powbar;	/* 0x.8 - Outbound window base address register */
+	u8	res1[4];
+	__be32	powar;	/* 0x.10 - Outbound window attributes register */
+	u8	res2[12];
+};
+
+/* PCI/PCI Express inbound window reg */
+struct pci_inbound_window_regs {
+	__be32	pitar;	/* 0x.0 - Inbound translation address register */
+	u8	res1[4];
+	__be32	piwbar;	/* 0x.8 - Inbound window base address register */
+	__be32	piwbear;	/* 0x.c - Inbound window base extended address register */
+	__be32	piwar;	/* 0x.10 - Inbound window attributes register */
+	u8	res2[12];
+};
+
+/* PCI/PCI Express IO block registers for 85xx/86xx */
+struct ccsr_pci {
+	__be32	config_addr;		/* 0x.000 - PCI/PCIE Configuration Address Register */
+	__be32	config_data;		/* 0x.004 - PCI/PCIE Configuration Data Register */
+	__be32	int_ack;		/* 0x.008 - PCI Interrupt Acknowledge Register */
+	__be32	pex_otb_cpl_tor;	/* 0x.00c - PCIE Outbound completion timeout register */
+	__be32	pex_conf_tor;		/* 0x.010 - PCIE configuration timeout register */
+	u8	res2[12];
+	__be32	pex_pme_mes_dr;		/* 0x.020 - PCIE PME and message detect register */
+	__be32	pex_pme_mes_disr;	/* 0x.024 - PCIE PME and message disable register */
+	__be32	pex_pme_mes_ier;	/* 0x.028 - PCIE PME and message interrupt enable register */
+	__be32	pex_pmcr;		/* 0x.02c - PCIE power management command register */
+	u8	res3[3024];
+
+/* PCI/PCI Express outbound window 0-4
+ * Window 0 is the default window and is the only window enabled upon reset.
+ * The default outbound register set is used when a transaction misses
+ * in all of the other outbound windows.
+ */
+	struct pci_outbound_window_regs pow[5];
+
+	u8	res14[256];
+
+/* PCI/PCI Express inbound window 3-1
+ * inbound window 1 supports only a 32-bit base address and does not
+ * define an inbound window base extended address register.
+ */
+	struct pci_inbound_window_regs piw[3];
+
+	__be32	pex_err_dr;		/* 0x.e00 - PCI/PCIE error detect register */
+	u8	res21[4];
+	__be32	pex_err_en;		/* 0x.e08 - PCI/PCIE error interrupt enable register */
+	u8	res22[4];
+	__be32	pex_err_disr;		/* 0x.e10 - PCI/PCIE error disable register */
+	u8	res23[12];
+	__be32	pex_err_cap_stat;	/* 0x.e20 - PCI/PCIE error capture status register */
+	u8	res24[4];
+	__be32	pex_err_cap_r0;		/* 0x.e28 - PCIE error capture register 0 */
+	__be32	pex_err_cap_r1;		/* 0x.e2c - PCIE error capture register 0 */
+	__be32	pex_err_cap_r2;		/* 0x.e30 - PCIE error capture register 0 */
+	__be32	pex_err_cap_r3;		/* 0x.e34 - PCIE error capture register 0 */
+};
+
+extern int fsl_add_bridge(struct device_node *dev, int is_primary);
+extern void fsl_pcibios_fixup_bus(struct pci_bus *bus);
+
+#endif /* __POWERPC_FSL_PCI_H */
+#endif /* __KERNEL__ */

arch/powerpc/sysdev/fsl_pcie.h

-/*
- * MPC85xx/86xx PCI Express structure define
- *
- * Copyright 2007 Freescale Semiconductor, Inc
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- *
- */
-
-#ifdef __KERNEL__
-#ifndef __POWERPC_FSL_PCIE_H
-#define __POWERPC_FSL_PCIE_H
-
-/* PCIE Express IO block registers in 85xx/86xx */
-
-struct ccsr_pex {
-	__be32 __iomem    pex_config_addr;	/* 0x.000 - PCI Express Configuration Address Register */
-	__be32 __iomem    pex_config_data;	/* 0x.004 - PCI Express Configuration Data Register */
-	u8 __iomem    res1[4];
-	__be32 __iomem    pex_otb_cpl_tor;	/* 0x.00c - PCI Express Outbound completion timeout register */
-	__be32 __iomem    pex_conf_tor;		/* 0x.010 - PCI Express configuration timeout register */
-	u8 __iomem    res2[12];
-	__be32 __iomem    pex_pme_mes_dr;	/* 0x.020 - PCI Express PME and message detect register */
-	__be32 __iomem    pex_pme_mes_disr;	/* 0x.024 - PCI Express PME and message disable register */
-	__be32 __iomem    pex_pme_mes_ier;	/* 0x.028 - PCI Express PME and message interrupt enable register */
-	__be32 __iomem    pex_pmcr;		/* 0x.02c - PCI Express power management command register */
-	u8 __iomem    res3[3024];
-	__be32 __iomem    pexotar0;		/* 0x.c00 - PCI Express outbound translation address register 0 */
-	__be32 __iomem    pexotear0;		/* 0x.c04 - PCI Express outbound translation extended address register 0*/
-	u8 __iomem    res4[8];
-	__be32 __iomem    pexowar0;		/* 0x.c10 - PCI Express outbound window attributes register 0*/
-	u8 __iomem    res5[12];
-	__be32 __iomem    pexotar1;		/* 0x.c20 - PCI Express outbound translation address register 1 */
-	__be32 __iomem    pexotear1;		/* 0x.c24 - PCI Express outbound translation extended address register 1*/
-	__be32 __iomem    pexowbar1;		/* 0x.c28 - PCI Express outbound window base address register 1*/
-	u8 __iomem    res6[4];
-	__be32 __iomem    pexowar1;		/* 0x.c30 - PCI Express outbound window attributes register 1*/
-	u8 __iomem    res7[12];
-	__be32 __iomem    pexotar2;		/* 0x.c40 - PCI Express outbound translation address register 2 */
-	__be32 __iomem    pexotear2;		/* 0x.c44 - PCI Express outbound translation extended address register 2*/
-	__be32 __iomem    pexowbar2;		/* 0x.c48 - PCI Express outbound window base address register 2*/
-	u8 __iomem    res8[4];
-	__be32 __iomem    pexowar2;		/* 0x.c50 - PCI Express outbound window attributes register 2*/
-	u8 __iomem    res9[12];
-	__be32 __iomem    pexotar3;		/* 0x.c60 - PCI Express outbound translation address register 3 */
-	__be32 __iomem    pexotear3;		/* 0x.c64 - PCI Express outbound translation extended address register 3*/
-	__be32 __iomem    pexowbar3;		/* 0x.c68 - PCI Express outbound window base address register 3*/
-	u8 __iomem    res10[4];
-	__be32 __iomem    pexowar3;		/* 0x.c70 - PCI Express outbound window attributes register 3*/
-	u8 __iomem    res11[12];
-	__be32 __iomem    pexotar4;		/* 0x.c80 - PCI Express outbound translation address register 4 */
-	__be32 __iomem    pexotear4;		/* 0x.c84 - PCI Express outbound translation extended address register 4*/
-	__be32 __iomem    pexowbar4;		/* 0x.c88 - PCI Express outbound window base address register 4*/
-	u8 __iomem    res12[4];
-	__be32 __iomem    pexowar4;		/* 0x.c90 - PCI Express outbound window attributes register 4*/
-	u8 __iomem    res13[12];
-	u8 __iomem    res14[256];
-	__be32 __iomem    pexitar3;		/* 0x.da0 - PCI Express inbound translation address register 3 */
-	u8 __iomem    res15[4];
-	__be32 __iomem    pexiwbar3;		/* 0x.da8 - PCI Express inbound window base address register 3 */
-	__be32 __iomem    pexiwbear3;		/* 0x.dac - PCI Express inbound window base extended address register 3 */
-	__be32 __iomem    pexiwar3;		/* 0x.db0 - PCI Express inbound window attributes register 3 */
-	u8 __iomem    res16[12];
-	__be32 __iomem    pexitar2;		/* 0x.dc0 - PCI Express inbound translation address register 2 */
-	u8 __iomem    res17[4];
-	__be32 __iomem    pexiwbar2;		/* 0x.dc8 - PCI Express inbound window base address register 2 */
-	__be32 __iomem    pexiwbear2;		/* 0x.dcc - PCI Express inbound window base extended address register 2 */
-	__be32 __iomem    pexiwar2;		/* 0x.dd0 - PCI Express inbound window attributes register 2 */
-	u8 __iomem    res18[12];
-	__be32 __iomem    pexitar1;		/* 0x.de0 - PCI Express inbound translation address register 2 */
-	u8 __iomem    res19[4];
-	__be32 __iomem    pexiwbar1;		/* 0x.de8 - PCI Express inbound window base address register 2 */
-	__be32 __iomem    pexiwbear1;		/* 0x.dec - PCI Express inbound window base extended address register 2 */
-	__be32 __iomem    pexiwar1;		/* 0x.df0 - PCI Express inbound window attributes register 2 */
-	u8 __iomem    res20[12];
-	__be32 __iomem    pex_err_dr;		/* 0x.e00 - PCI Express error detect register */
-	u8 __iomem    res21[4];
-	__be32 __iomem    pex_err_en;		/* 0x.e08 - PCI Express error interrupt enable register */
-	u8 __iomem    res22[4];
-	__be32 __iomem    pex_err_disr;		/* 0x.e10 - PCI Express error disable register */
-	u8 __iomem    res23[12];
-	__be32 __iomem    pex_err_cap_stat;	/* 0x.e20 - PCI Express error capture status register */
-	u8 __iomem    res24[4];
-	__be32 __iomem    pex_err_cap_r0;	/* 0x.e28 - PCI Express error capture register 0 */
-	__be32 __iomem    pex_err_cap_r1;	/* 0x.e2c - PCI Express error capture register 0 */
-	__be32 __iomem    pex_err_cap_r2;	/* 0x.e30 - PCI Express error capture register 0 */
-	__be32 __iomem    pex_err_cap_r3;	/* 0x.e34 - PCI Express error capture register 0 */
-};
-
-#endif /* __POWERPC_FSL_PCIE_H */
-#endif /* __KERNEL__ */

arch/powerpc/sysdev/grackle.c

@@ -55,7 +55,7 @@ static inline void grackle_set_loop_snoop(struct pci_controller *bp, int enable)
 
 void __init setup_grackle(struct pci_controller *hose)
 {
-	setup_indirect_pci(hose, 0xfec00000, 0xfee00000);
+	setup_indirect_pci(hose, 0xfec00000, 0xfee00000, 0);
 	if (machine_is_compatible("PowerMac1,1"))
 		pci_assign_all_buses = 1;
 	if (machine_is_compatible("AAPL,PowerBook1998"))

arch/powerpc/sysdev/indirect_pci.c

@@ -20,12 +20,6 @@
 #include <asm/pci-bridge.h>
 #include <asm/machdep.h>
 
-#ifdef CONFIG_PPC_INDIRECT_PCI_BE
-#define PCI_CFG_OUT out_be32
-#else
-#define PCI_CFG_OUT out_le32
-#endif
-
 static int
 indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
 		     int len, u32 *val)
@@ -35,10 +29,17 @@ indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
 	u8 cfg_type = 0;
 	u32 bus_no, reg;
 
+	if (hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK) {
+		if (bus->number != hose->first_busno)
+			return PCIBIOS_DEVICE_NOT_FOUND;
+		if (devfn != 0)
+			return PCIBIOS_DEVICE_NOT_FOUND;
+	}
+
 	if (ppc_md.pci_exclude_device)
 		if (ppc_md.pci_exclude_device(hose, bus->number, devfn))
 			return PCIBIOS_DEVICE_NOT_FOUND;
-	
+
 	if (hose->indirect_type & PPC_INDIRECT_TYPE_SET_CFG_TYPE)
 		if (bus->number != hose->first_busno)
 			cfg_type = 1;
@@ -51,9 +52,12 @@ indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
 	else
 		reg = offset & 0xfc;
 
-	PCI_CFG_OUT(hose->cfg_addr,
-		 (0x80000000 | (bus_no << 16)
-		  | (devfn << 8) | reg | cfg_type));
+	if (hose->indirect_type & PPC_INDIRECT_TYPE_BIG_ENDIAN)
+		out_be32(hose->cfg_addr, (0x80000000 | (bus_no << 16) |
+			 (devfn << 8) | reg | cfg_type));
+	else
+		out_le32(hose->cfg_addr, (0x80000000 | (bus_no << 16) |
+			 (devfn << 8) | reg | cfg_type));
 
 	/*
 	 * Note: the caller has already checked that offset is
@@ -83,6 +87,13 @@ indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset,
 	u8 cfg_type = 0;
 	u32 bus_no, reg;
 
+	if (hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK) {
+		if (bus->number != hose->first_busno)
+			return PCIBIOS_DEVICE_NOT_FOUND;
+		if (devfn != 0)
+			return PCIBIOS_DEVICE_NOT_FOUND;
+	}
+
 	if (ppc_md.pci_exclude_device)
 		if (ppc_md.pci_exclude_device(hose, bus->number, devfn))
 			return PCIBIOS_DEVICE_NOT_FOUND;
@@ -99,9 +110,12 @@ indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset,
 	else
 		reg = offset & 0xfc;
 
-	PCI_CFG_OUT(hose->cfg_addr,
-		 (0x80000000 | (bus_no << 16)
-		  | (devfn << 8) | reg | cfg_type));
+	if (hose->indirect_type & PPC_INDIRECT_TYPE_BIG_ENDIAN)
+		out_be32(hose->cfg_addr, (0x80000000 | (bus_no << 16) |
+			 (devfn << 8) | reg | cfg_type));
+	else
+		out_le32(hose->cfg_addr, (0x80000000 | (bus_no << 16) |
+			 (devfn << 8) | reg | cfg_type));
 
 	/* surpress setting of PCI_PRIMARY_BUS */
 	if (hose->indirect_type & PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS)
@@ -135,24 +149,15 @@ static struct pci_ops indirect_pci_ops =
 };
 
 void __init
-setup_indirect_pci_nomap(struct pci_controller* hose, void __iomem * cfg_addr,
-	void __iomem * cfg_data)
-{
-	hose->cfg_addr = cfg_addr;
-	hose->cfg_data = cfg_data;
-	hose->ops = &indirect_pci_ops;
-}
-
-void __init
-setup_indirect_pci(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data)
+setup_indirect_pci(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data, u32 flags)
 {
 	unsigned long base = cfg_addr & PAGE_MASK;
-	void __iomem *mbase, *addr, *data;
+	void __iomem *mbase;
 
 	mbase = ioremap(base, PAGE_SIZE);
-	addr = mbase + (cfg_addr & ~PAGE_MASK);
+	hose->cfg_addr = mbase + (cfg_addr & ~PAGE_MASK);
 	if ((cfg_data & PAGE_MASK) != base)
 		mbase = ioremap(cfg_data & PAGE_MASK, PAGE_SIZE);
-	data = mbase + (cfg_data & ~PAGE_MASK);
-	setup_indirect_pci_nomap(hose, addr, data);
+	hose->cfg_data = mbase + (cfg_data & ~PAGE_MASK);
+	hose->ops = &indirect_pci_ops;
 }

arch/powerpc/sysdev/mv64x60_pci.c

@@ -144,7 +144,7 @@ static int __init mv64x60_add_bridge(struct device_node *dev)
 	hose->first_busno = bus_range ? bus_range[0] : 0;
 	hose->last_busno = bus_range ? bus_range[1] : 0xff;
 
-	setup_indirect_pci(hose, rsrc.start, rsrc.start + 4);
+	setup_indirect_pci(hose, rsrc.start, rsrc.start + 4, 0);
 	hose->self_busno = hose->first_busno;
 
 	printk(KERN_INFO "Found MV64x60 PCI host bridge at 0x%016llx. "

include/asm-powerpc/pci-bridge.h

@@ -45,10 +45,17 @@ struct pci_controller {
 	 *   on Freescale PCI-e controllers since they used the PCI_PRIMARY_BUS
 	 *   to determine which bus number to match on when generating type0
 	 *   config cycles
+	 *  NO_PCIE_LINK - the Freescale PCI-e controllers have issues with
+	 *   hanging if we don't have link and try to do config cycles to
+	 *   anything but the PHB.  Only allow talking to the PHB if this is
+	 *   set.
+	 *  BIG_ENDIAN - cfg_addr is a big endian register
 	 */
 #define PPC_INDIRECT_TYPE_SET_CFG_TYPE		(0x00000001)
 #define PPC_INDIRECT_TYPE_EXT_REG		(0x00000002)
 #define PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS	(0x00000004)
+#define PPC_INDIRECT_TYPE_NO_PCIE_LINK		(0x00000008)
+#define PPC_INDIRECT_TYPE_BIG_ENDIAN		(0x00000010)
 	u32 indirect_type;
 
 	/* Currently, we limit ourselves to 1 IO range and 3 mem
@@ -79,11 +86,14 @@ int early_write_config_word(struct pci_controller *hose, int bus, int dev_fn,
 int early_write_config_dword(struct pci_controller *hose, int bus, int dev_fn,
 			     int where, u32 val);
 
-extern void setup_indirect_pci_nomap(struct pci_controller* hose,
-			       void __iomem *cfg_addr, void __iomem *cfg_data);
+extern int early_find_capability(struct pci_controller *hose, int bus,
+				 int dev_fn, int cap);
+
 extern void setup_indirect_pci(struct pci_controller* hose,
-			       u32 cfg_addr, u32 cfg_data);
+			       u32 cfg_addr, u32 cfg_data, u32 flags);
 extern void setup_grackle(struct pci_controller *hose);
+extern void __init update_bridge_resource(struct pci_dev *dev,
+					  struct resource *res);
 
 #else
 

include/linux/pci_ids.h

@@ -2079,6 +2079,23 @@
 #define PCI_VENDOR_ID_TDI               0x192E
 #define PCI_DEVICE_ID_TDI_EHCI          0x0101
 
+#define PCI_VENDOR_ID_FREESCALE		0x1957
+#define PCI_DEVICE_ID_MPC8548E		0x0012
+#define PCI_DEVICE_ID_MPC8548		0x0013
+#define PCI_DEVICE_ID_MPC8543E		0x0014
+#define PCI_DEVICE_ID_MPC8543		0x0015
+#define PCI_DEVICE_ID_MPC8547E		0x0018
+#define PCI_DEVICE_ID_MPC8545E		0x0019
+#define PCI_DEVICE_ID_MPC8545		0x001a
+#define PCI_DEVICE_ID_MPC8568E		0x0020
+#define PCI_DEVICE_ID_MPC8568		0x0021
+#define PCI_DEVICE_ID_MPC8567E		0x0022
+#define PCI_DEVICE_ID_MPC8567		0x0023
+#define PCI_DEVICE_ID_MPC8544E		0x0030
+#define PCI_DEVICE_ID_MPC8544		0x0031
+#define PCI_DEVICE_ID_MPC8641		0x7010
+#define PCI_DEVICE_ID_MPC8641D		0x7011
+
 #define PCI_VENDOR_ID_PASEMI		0x1959
 
 #define PCI_VENDOR_ID_ATTANSIC		0x1969