Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git…

…/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (103 commits) powerpc: Fix bug in move of altivec code to vector.S powerpc: Add support for swiotlb on 32-bit powerpc/spufs: Remove unused error path powerpc: Fix warning when printing a resource_size_t powerpc/xmon: Remove unused variable in xmon.c powerpc/pseries: Fix warnings when printing resource_size_t powerpc: Shield code specific to 64-bit server processors powerpc: Separate PACA fields for server CPUs powerpc: Split exception handling out of head_64.S powerpc: Introduce CONFIG_PPC_BOOK3S powerpc: Move VMX and VSX asm code to vector.S powerpc: Set init_bootmem_done on NUMA platforms as well powerpc/mm: Fix a AB->BA deadlock scenario with nohash MMU context lock powerpc/mm: Fix some SMP issues with MMU context handling powerpc: Add PTRACE_SINGLEBLOCK support fbdev: Add PLB support and cleanup DCR in xilinxfb driver. powerpc/virtex: Add ml510 reference design device tree powerpc/virtex: Add Xilinx ML510 reference design support powerpc/virtex: refactor intc driver and add support for i8259 cascading powerpc/virtex: Add support for Xilinx PCI host bridge ...
chewitt · Jun 15, 2009 · 0fa2133 · 0fa2133
2 parents d3bf80b + bc47ab0
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diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
@@ -491,6 +491,13 @@ and is between 256 and 4096 characters. It is defined in the file
 			Also note the kernel might malfunction if you disable
 			some critical bits.
 
+	cmo_free_hint=	[PPC] Format: { yes | no }
+			Specify whether pages are marked as being inactive
+			when they are freed.  This is used in CMO environments
+			to determine OS memory pressure for page stealing by
+			a hypervisor.
+			Default: yes
+
 	code_bytes	[X86] How many bytes of object code to print
 			in an oops report.
 			Range: 0 - 8192

diff --git a/Documentation/powerpc/dts-bindings/ecm.txt b/Documentation/powerpc/dts-bindings/ecm.txt
@@ -0,0 +1,64 @@
+=====================================================================
+E500 LAW & Coherency Module Device Tree Binding
+Copyright (C) 2009 Freescale Semiconductor Inc.
+=====================================================================
+
+Local Access Window (LAW) Node
+
+The LAW node represents the region of CCSR space where local access
+windows are configured.  For ECM based devices this is the first 4k
+of CCSR space that includes CCSRBAR, ALTCBAR, ALTCAR, BPTR, and some
+number of local access windows as specified by fsl,num-laws.
+
+PROPERTIES
+
+  - compatible
+      Usage: required
+      Value type: <string>
+      Definition: Must include "fsl,ecm-law"
+
+  - reg
+      Usage: required
+      Value type: <prop-encoded-array>
+      Definition: A standard property.  The value specifies the
+          physical address offset and length of the CCSR space
+          registers.
+
+  - fsl,num-laws
+      Usage: required
+      Value type: <u32>
+      Definition: The value specifies the number of local access
+          windows for this device.
+
+=====================================================================
+
+E500 Coherency Module Node
+
+The E500 LAW node represents the region of CCSR space where ECM config
+and error reporting registers exist, this is the second 4k (0x1000)
+of CCSR space.
+
+PROPERTIES
+
+  - compatible
+      Usage: required
+      Value type: <string>
+      Definition: Must include "fsl,CHIP-ecm", "fsl,ecm" where
+      CHIP is the processor (mpc8572, mpc8544, etc.)
+
+  - reg
+      Usage: required
+      Value type: <prop-encoded-array>
+      Definition: A standard property.  The value specifies the
+          physical address offset and length of the CCSR space
+          registers.
+
+   - interrupts
+      Usage: required
+      Value type: <prop-encoded-array>
+
+   - interrupt-parent
+      Usage: required
+      Value type: <phandle>
+
+=====================================================================
diff --git a/Documentation/powerpc/dts-bindings/fsl/cpm_qe/qe.txt b/Documentation/powerpc/dts-bindings/fsl/cpm_qe/qe.txt
@@ -17,6 +17,9 @@ Required properties:
 - model : precise model of the QE, Can be "QE", "CPM", or "CPM2"
 - reg : offset and length of the device registers.
 - bus-frequency : the clock frequency for QUICC Engine.
+- fsl,qe-num-riscs: define how many RISC engines the QE has.
+- fsl,qe-num-snums: define how many serial number(SNUM) the QE can use for the
+  threads.
 
 Recommended properties
 - brg-frequency : the internal clock source frequency for baud-rate

diff --git a/Documentation/powerpc/dts-bindings/fsl/esdhc.txt b/Documentation/powerpc/dts-bindings/fsl/esdhc.txt
@@ -5,8 +5,7 @@ for MMC, SD, and SDIO types of memory cards.
 
 Required properties:
   - compatible : should be
-    "fsl,<chip>-esdhc", "fsl,mpc8379-esdhc" for MPC83xx processors.
-    "fsl,<chip>-esdhc", "fsl,mpc8536-esdhc" for MPC85xx processors.
+    "fsl,<chip>-esdhc", "fsl,esdhc"
   - reg : should contain eSDHC registers location and length.
   - interrupts : should contain eSDHC interrupt.
   - interrupt-parent : interrupt source phandle.
@@ -15,7 +14,7 @@ Required properties:
 Example:
 
 sdhci@2e000 {
-	compatible = "fsl,mpc8378-esdhc", "fsl,mpc8379-esdhc";
+	compatible = "fsl,mpc8378-esdhc", "fsl,esdhc";
 	reg = <0x2e000 0x1000>;
 	interrupts = <42 0x8>;
 	interrupt-parent = <&ipic>;

diff --git a/Documentation/powerpc/dts-bindings/fsl/mcm.txt b/Documentation/powerpc/dts-bindings/fsl/mcm.txt
@@ -0,0 +1,64 @@
+=====================================================================
+MPX LAW & Coherency Module Device Tree Binding
+Copyright (C) 2009 Freescale Semiconductor Inc.
+=====================================================================
+
+Local Access Window (LAW) Node
+
+The LAW node represents the region of CCSR space where local access
+windows are configured.  For MCM based devices this is the first 4k
+of CCSR space that includes CCSRBAR, ALTCBAR, ALTCAR, BPTR, and some
+number of local access windows as specified by fsl,num-laws.
+
+PROPERTIES
+
+  - compatible
+      Usage: required
+      Value type: <string>
+      Definition: Must include "fsl,mcm-law"
+
+  - reg
+      Usage: required
+      Value type: <prop-encoded-array>
+      Definition: A standard property.  The value specifies the
+          physical address offset and length of the CCSR space
+          registers.
+
+  - fsl,num-laws
+      Usage: required
+      Value type: <u32>
+      Definition: The value specifies the number of local access
+          windows for this device.
+
+=====================================================================
+
+MPX Coherency Module Node
+
+The MPX LAW node represents the region of CCSR space where MCM config
+and error reporting registers exist, this is the second 4k (0x1000)
+of CCSR space.
+
+PROPERTIES
+
+  - compatible
+      Usage: required
+      Value type: <string>
+      Definition: Must include "fsl,CHIP-mcm", "fsl,mcm" where
+      CHIP is the processor (mpc8641, mpc8610, etc.)
+
+  - reg
+      Usage: required
+      Value type: <prop-encoded-array>
+      Definition: A standard property.  The value specifies the
+          physical address offset and length of the CCSR space
+          registers.
+
+   - interrupts
+      Usage: required
+      Value type: <prop-encoded-array>
+
+   - interrupt-parent
+      Usage: required
+      Value type: <phandle>
+
+=====================================================================
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
@@ -42,6 +42,10 @@ config GENERIC_HARDIRQS
 	bool
 	default y
 
+config GENERIC_HARDIRQS_NO__DO_IRQ
+	bool
+	default y
+
 config HAVE_SETUP_PER_CPU_AREA
 	def_bool PPC64
 
@@ -296,9 +300,19 @@ config IOMMU_VMERGE
 config IOMMU_HELPER
 	def_bool PPC64
 
+config SWIOTLB
+	bool "SWIOTLB support"
+	default n
+	select IOMMU_HELPER
+	---help---
+	  Support for IO bounce buffering for systems without an IOMMU.
+	  This allows us to DMA to the full physical address space on
+	  platforms where the size of a physical address is larger
+	  than the bus address.  Not all platforms support this.
+
 config PPC_NEED_DMA_SYNC_OPS
 	def_bool y
-	depends on NOT_COHERENT_CACHE
+	depends on (NOT_COHERENT_CACHE || SWIOTLB)
 
 config HOTPLUG_CPU
 	bool "Support for enabling/disabling CPUs"

diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug
@@ -41,6 +41,19 @@ config HCALL_STATS
 	  This option will add a small amount of overhead to all hypervisor
 	  calls.
 
+config PPC_EMULATED_STATS
+	bool "Emulated instructions tracking"
+	depends on DEBUG_FS
+	help
+	  Adds code to keep track of the number of instructions that are
+	  emulated by the in-kernel emulator. Counters for the various classes
+	  of emulated instructions are available under
+	  powerpc/emulated_instructions/ in the root of the debugfs file
+	  system. Optionally (controlled by
+	  powerpc/emulated_instructions/do_warn in debugfs), rate-limited
+	  warnings can be printed to the console when instructions are
+	  emulated.
+
 config CODE_PATCHING_SELFTEST
 	bool "Run self-tests of the code-patching code."
 	depends on DEBUG_KERNEL

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
@@ -142,6 +142,7 @@ head-$(CONFIG_FSL_BOOKE)	:= arch/powerpc/kernel/head_fsl_booke.o
 
 head-$(CONFIG_PPC64)		+= arch/powerpc/kernel/entry_64.o
 head-$(CONFIG_PPC_FPU)		+= arch/powerpc/kernel/fpu.o
+head-$(CONFIG_ALTIVEC)		+= arch/powerpc/kernel/vector.o
 
 core-y				+= arch/powerpc/kernel/ \
 				   arch/powerpc/mm/ \

diff --git a/arch/powerpc/boot/dts/gef_ppc9a.dts b/arch/powerpc/boot/dts/gef_ppc9a.dts
@@ -164,9 +164,21 @@
 		device_type = "soc";
 		compatible = "fsl,mpc8641-soc", "simple-bus";
 		ranges = <0x0 0xfef00000 0x00100000>;
-		reg = <0xfef00000 0x100000>;	// CCSRBAR 1M
 		bus-frequency = <33333333>;
 
+		mcm-law@0 {
+			compatible = "fsl,mcm-law";
+			reg = <0x0 0x1000>;
+			fsl,num-laws = <10>;
+		};
+
+		mcm@1000 {
+			compatible = "fsl,mpc8641-mcm", "fsl,mcm";
+			reg = <0x1000 0x1000>;
+			interrupts = <17 2>;
+			interrupt-parent = <&mpic>;
+		};
+
 		i2c1: i2c@3000 {
 			#address-cells = <1>;
 			#size-cells = <0>;

diff --git a/arch/powerpc/boot/dts/gef_sbc310.dts b/arch/powerpc/boot/dts/gef_sbc310.dts
@@ -163,9 +163,21 @@
 		device_type = "soc";
 		compatible = "simple-bus";
 		ranges = <0x0 0xfef00000 0x00100000>;
-		reg = <0xfef00000 0x100000>;	// CCSRBAR 1M
 		bus-frequency = <33333333>;
 
+		mcm-law@0 {
+			compatible = "fsl,mcm-law";
+			reg = <0x0 0x1000>;
+			fsl,num-laws = <10>;
+		};
+
+		mcm@1000 {
+			compatible = "fsl,mpc8641-mcm", "fsl,mcm";
+			reg = <0x1000 0x1000>;
+			interrupts = <17 2>;
+			interrupt-parent = <&mpic>;
+		};
+
 		i2c1: i2c@3000 {
 			#address-cells = <1>;
 			#size-cells = <0>;

diff --git a/arch/powerpc/boot/dts/gef_sbc610.dts b/arch/powerpc/boot/dts/gef_sbc610.dts
@@ -128,9 +128,21 @@
 		device_type = "soc";
 		compatible = "simple-bus";
 		ranges = <0x0 0xfef00000 0x00100000>;
-		reg = <0xfef00000 0x100000>;	// CCSRBAR 1M
 		bus-frequency = <33333333>;
 
+		mcm-law@0 {
+			compatible = "fsl,mcm-law";
+			reg = <0x0 0x1000>;
+			fsl,num-laws = <10>;
+		};
+
+		mcm@1000 {
+			compatible = "fsl,mpc8641-mcm", "fsl,mcm";
+			reg = <0x1000 0x1000>;
+			interrupts = <17 2>;
+			interrupt-parent = <&mpic>;
+		};
+
 		i2c1: i2c@3000 {
 			#address-cells = <1>;
 			#size-cells = <0>;

diff --git a/arch/powerpc/boot/dts/ksi8560.dts b/arch/powerpc/boot/dts/ksi8560.dts
@@ -56,6 +56,19 @@
 		ranges = <0x00000000 0xfdf00000 0x00100000>;
 		bus-frequency = <0>;				/* Fixed by bootwrapper */
 
+		ecm-law@0 {
+			compatible = "fsl,ecm-law";
+			reg = <0x0 0x1000>;
+			fsl,num-laws = <8>;
+		};
+
+		ecm@1000 {
+			compatible = "fsl,mpc8560-ecm", "fsl,ecm";
+			reg = <0x1000 0x1000>;
+			interrupts = <17 2>;
+			interrupt-parent = <&mpic>;
+		};
+
 		memory-controller@2000 {
 			compatible = "fsl,mpc8540-memory-controller";
 			reg = <0x2000 0x1000>;

diff --git a/arch/powerpc/boot/dts/mpc832x_mds.dts b/arch/powerpc/boot/dts/mpc832x_mds.dts
@@ -249,6 +249,8 @@
 		reg = <0xe0100000 0x480>;
 		brg-frequency = <0>;
 		bus-frequency = <198000000>;
+		fsl,qe-num-riscs = <1>;
+		fsl,qe-num-snums = <28>;
 
 		muram@10000 {
 			#address-cells = <1>;
@@ -369,7 +371,6 @@
 	};
 
 	pci0: pci@e0008500 {
-		cell-index = <1>;
 		interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
 		interrupt-map = <
 				/* IDSEL 0x11 AD17 */

diff --git a/arch/powerpc/boot/dts/mpc832x_rdb.dts b/arch/powerpc/boot/dts/mpc832x_rdb.dts
@@ -221,6 +221,8 @@
 		reg = <0xe0100000 0x480>;
 		brg-frequency = <0>;
 		bus-frequency = <198000000>;
+		fsl,qe-num-riscs = <1>;
+		fsl,qe-num-snums = <28>;
 
 		muram@10000 {
  			#address-cells = <1>;
@@ -327,7 +329,6 @@
 	};
 
 	pci0: pci@e0008500 {
-		cell-index = <1>;
 		interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
 		interrupt-map = <
 				/* IDSEL 0x10 AD16 (USB) */

diff --git a/arch/powerpc/boot/dts/mpc8349emitx.dts b/arch/powerpc/boot/dts/mpc8349emitx.dts
@@ -278,7 +278,6 @@
 	};
 
 	pci0: pci@e0008500 {
-		cell-index = <1>;
 		interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
 		interrupt-map = <
 				/* IDSEL 0x10 - SATA */
@@ -301,7 +300,6 @@
 	};
 
 	pci1: pci@e0008600 {
-		cell-index = <2>;
 		interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
 		interrupt-map = <
 				/* IDSEL 0x0E - MiniPCI Slot */

diff --git a/arch/powerpc/boot/dts/mpc8349emitxgp.dts b/arch/powerpc/boot/dts/mpc8349emitxgp.dts
@@ -227,7 +227,6 @@
 	};
 
 	pci0: pci@e0008600 {
-		cell-index = <2>;
 		interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
 		interrupt-map = <
 				/* IDSEL 0x0F - PCI Slot */

diff --git a/arch/powerpc/boot/dts/mpc834x_mds.dts b/arch/powerpc/boot/dts/mpc834x_mds.dts
@@ -286,7 +286,6 @@
 	};
 
 	pci0: pci@e0008500 {
-		cell-index = <1>;
 		interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
 		interrupt-map = <
 
@@ -348,7 +347,6 @@
 	};
 
 	pci1: pci@e0008600 {
-		cell-index = <2>;
 		interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
 		interrupt-map = <