Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc: Don't export cvt_fd & _df when CONFIG_PPC_FPU is not set
  powerpc/44x: icon: select SM502 and frame buffer console support
  powerpc/85xx: Add P1021MDS board support
  powerpc/85xx: Change MPC8572DS camp dtses for MSI sharing
  powerpc/fsl_msi: add removal path and probe failing path
  powerpc/fsl_msi: enable msi sharing through AMP OSes
  powerpc/fsl_msi: enable msi allocation in all banks
  powerpc/fsl_msi: fix the conflict of virt_msir's chip_data
  powerpc/fsl_msi: Add multiple MSI bank support
  powerpc/kexec: Add support for FSL-BookE
  powerpc/fsl-booke: Move the entry setup code into a seperate file
  powerpc/fsl-booke: fix the case where we are not in the first page
  powerpc/85xx: Enable support for ports 3 and 4 on 8548 CDS
  powerpc/fsl-booke: Add hibernation support for FSL BookE processors
  powerpc/e500mc: Implement machine check handler.
  powerpc/44x: Add basic ICON PPC440SPe board support
  powerpc/44x: Fix UART clocks on 440SPe
  powerpc/44x: Add reset-type to katmai.dts
  powerpc/44x: Adding PCI-E support for PowerPC 460SX based SOC.

arch/powerpc/Kconfig

@@ -351,7 +351,7 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE
 
 config KEXEC
 	bool "kexec system call (EXPERIMENTAL)"
-	depends on PPC_BOOK3S && EXPERIMENTAL
+	depends on (PPC_BOOK3S || (FSL_BOOKE && !SMP)) && EXPERIMENTAL
 	help
 	  kexec is a system call that implements the ability to shutdown your
 	  current kernel, and to start another kernel.  It is like a reboot

arch/powerpc/boot/4xx.c

@@ -519,7 +519,7 @@ void ibm440ep_fixup_clocks(unsigned int sys_clk,
 {
 	unsigned int plb_clk = __ibm440eplike_fixup_clocks(sys_clk, tmr_clk, 0);
 
-	/* serial clocks beed fixup based on int/ext */
+	/* serial clocks need fixup based on int/ext */
 	eplike_fixup_uart_clk(0, "/plb/opb/serial@ef600300", ser_clk, plb_clk);
 	eplike_fixup_uart_clk(1, "/plb/opb/serial@ef600400", ser_clk, plb_clk);
 	eplike_fixup_uart_clk(2, "/plb/opb/serial@ef600500", ser_clk, plb_clk);
@@ -532,7 +532,7 @@ void ibm440gx_fixup_clocks(unsigned int sys_clk,
 {
 	unsigned int plb_clk = __ibm440eplike_fixup_clocks(sys_clk, tmr_clk, 1);
 
-	/* serial clocks beed fixup based on int/ext */
+	/* serial clocks need fixup based on int/ext */
 	eplike_fixup_uart_clk(0, "/plb/opb/serial@40000200", ser_clk, plb_clk);
 	eplike_fixup_uart_clk(1, "/plb/opb/serial@40000300", ser_clk, plb_clk);
 }
@@ -543,10 +543,10 @@ void ibm440spe_fixup_clocks(unsigned int sys_clk,
 {
 	unsigned int plb_clk = __ibm440eplike_fixup_clocks(sys_clk, tmr_clk, 1);
 
-	/* serial clocks beed fixup based on int/ext */
-	eplike_fixup_uart_clk(0, "/plb/opb/serial@10000200", ser_clk, plb_clk);
-	eplike_fixup_uart_clk(1, "/plb/opb/serial@10000300", ser_clk, plb_clk);
-	eplike_fixup_uart_clk(2, "/plb/opb/serial@10000600", ser_clk, plb_clk);
+	/* serial clocks need fixup based on int/ext */
+	eplike_fixup_uart_clk(0, "/plb/opb/serial@f0000200", ser_clk, plb_clk);
+	eplike_fixup_uart_clk(1, "/plb/opb/serial@f0000300", ser_clk, plb_clk);
+	eplike_fixup_uart_clk(2, "/plb/opb/serial@f0000600", ser_clk, plb_clk);
 }
 
 void ibm405gp_fixup_clocks(unsigned int sys_clk, unsigned int ser_clk)

arch/powerpc/boot/dts/katmai.dts

@@ -44,6 +44,7 @@ cpu@0 {
 			d-cache-size = <32768>;
 			dcr-controller;
 			dcr-access-method = "native";
+			reset-type = <2>;	/* Use chip-reset */
 		};
 	};
 

arch/powerpc/boot/dts/mpc8548cds.dts

@@ -20,10 +20,8 @@ / {
 	aliases {
 		ethernet0 = &enet0;
 		ethernet1 = &enet1;
-/*
 		ethernet2 = &enet2;
 		ethernet3 = &enet3;
-*/
 		serial0 = &serial0;
 		serial1 = &serial1;
 		pci0 = &pci0;
@@ -254,7 +252,6 @@ tbi1: tbi-phy@11 {
 			};
 		};
 
-/* eTSEC 3/4 are currently broken
 		enet2: ethernet@26000 {
 			#address-cells = <1>;
 			#size-cells = <1>;
@@ -310,7 +307,6 @@ tbi3: tbi-phy@11 {
 				};
 			};
 		};
- */
 
 		serial0: serial@4500 {
 			cell-index = <0>;

arch/powerpc/boot/dts/mpc8572ds_camp_core0.dts

@@ -215,6 +215,18 @@ serial0: serial@4500 {
 			clock-frequency = <0>;
 		};
 
+		msi@41600 {
+			compatible = "fsl,mpc8572-msi", "fsl,mpic-msi";
+			reg = <0x41600 0x80>;
+			msi-available-ranges = <0 0x80>;
+			interrupts = <
+				0xe0 0
+				0xe1 0
+				0xe2 0
+				0xe3 0>;
+			interrupt-parent = <&mpic>;
+		};
+
 		global-utilities@e0000 {	//global utilities block
 			compatible = "fsl,mpc8572-guts";
 			reg = <0xe0000 0x1000>;
@@ -243,8 +255,7 @@ mpic: pic@40000 {
 			protected-sources = <
 			31 32 33 37 38 39       /* enet2 enet3 */
 			76 77 78 79 26 42	/* dma2 pci2 serial*/
-			0xe0 0xe1 0xe2 0xe3     /* msi */
-			0xe4 0xe5 0xe6 0xe7
+			0xe4 0xe5 0xe6 0xe7	/* msi */
 			>;
 		};
 	};

arch/powerpc/boot/dts/mpc8572ds_camp_core1.dts

@@ -154,12 +154,8 @@ enet3: ethernet@27000 {
 		msi@41600 {
 			compatible = "fsl,mpc8572-msi", "fsl,mpic-msi";
 			reg = <0x41600 0x80>;
-			msi-available-ranges = <0 0x100>;
+			msi-available-ranges = <0x80 0x80>;
 			interrupts = <
-				0xe0 0
-				0xe1 0
-				0xe2 0
-				0xe3 0
 				0xe4 0
 				0xe5 0
 				0xe6 0
@@ -190,6 +186,7 @@ mpic: pic@40000 {
 			0x1 0x2 0x3 0x4         /* pci slot */
 			0x9 0xa 0xb 0xc         /* usb */
 			0x6 0x7 0xe 0x5         /* Audio elgacy SATA */
+			0xe0 0xe1 0xe2 0xe3	/* msi */
 			>;
 		};
 	};

arch/powerpc/boot/dts/redwood.dts

@@ -234,10 +234,132 @@ EMAC0: ethernet@ef600a00 {
 				has-inverted-stacr-oc;
 				has-new-stacr-staopc;
 			};
+		};
+		PCIE0: pciex@d00000000 {
+			device_type = "pci";
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			compatible = "ibm,plb-pciex-460sx", "ibm,plb-pciex";
+			primary;
+			port = <0x0>; /* port number */
+			reg = <0x0000000d 0x00000000 0x20000000	/* Config space access */
+			       0x0000000c 0x10000000 0x00001000>;	/* Registers */
+			dcr-reg = <0x100 0x020>;
+			sdr-base = <0x300>;
+
+			/* Outbound ranges, one memory and one IO,
+			 * later cannot be changed
+			 */
+			ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x00000000 0x00000000 0x80000000
+				  0x01000000 0x00000000 0x00000000 0x0000000f 0x80000000 0x00000000 0x00010000>;
+
+			/* Inbound 2GB range starting at 0 */
+			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
 
+			/* This drives busses 10 to 0x1f */
+			bus-range = <0x10 0x1f>;
+
+			/* Legacy interrupts (note the weird polarity, the bridge seems
+			 * to invert PCIe legacy interrupts).
+			 * We are de-swizzling here because the numbers are actually for
+			 * port of the root complex virtual P2P bridge. But I want
+			 * to avoid putting a node for it in the tree, so the numbers
+			 * below are basically de-swizzled numbers.
+			 * The real slot is on idsel 0, so the swizzling is 1:1
+			 */
+			interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+			interrupt-map = <
+				0x0 0x0 0x0 0x1 &UIC3 0x0 0x4 /* swizzled int A */
+				0x0 0x0 0x0 0x2 &UIC3 0x1 0x4 /* swizzled int B */
+				0x0 0x0 0x0 0x3 &UIC3 0x2 0x4 /* swizzled int C */
+				0x0 0x0 0x0 0x4 &UIC3 0x3 0x4 /* swizzled int D */>;
+		};
+
+		PCIE1: pciex@d20000000 {
+			device_type = "pci";
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			compatible = "ibm,plb-pciex-460sx", "ibm,plb-pciex";
+			primary;
+			port = <0x1>; /* port number */
+			reg = <0x0000000d 0x20000000 0x20000000	/* Config space access */
+			       0x0000000c 0x10001000 0x00001000>;	/* Registers */
+			dcr-reg = <0x120 0x020>;
+			sdr-base = <0x340>;
+
+			/* Outbound ranges, one memory and one IO,
+			 * later cannot be changed
+			 */
+			ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x80000000 0x00000000 0x80000000
+				  0x01000000 0x00000000 0x00000000 0x0000000f 0x80010000 0x00000000 0x00010000>;
+
+			/* Inbound 2GB range starting at 0 */
+			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
+
+			/* This drives busses 10 to 0x1f */
+			bus-range = <0x20 0x2f>;
+
+			/* Legacy interrupts (note the weird polarity, the bridge seems
+			 * to invert PCIe legacy interrupts).
+			 * We are de-swizzling here because the numbers are actually for
+			 * port of the root complex virtual P2P bridge. But I want
+			 * to avoid putting a node for it in the tree, so the numbers
+			 * below are basically de-swizzled numbers.
+			 * The real slot is on idsel 0, so the swizzling is 1:1
+			 */
+			interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+			interrupt-map = <
+				0x0 0x0 0x0 0x1 &UIC3 0x4 0x4 /* swizzled int A */
+				0x0 0x0 0x0 0x2 &UIC3 0x5 0x4 /* swizzled int B */
+				0x0 0x0 0x0 0x3 &UIC3 0x6 0x4 /* swizzled int C */
+				0x0 0x0 0x0 0x4 &UIC3 0x7 0x4 /* swizzled int D */>;
+		};
+
+		PCIE2: pciex@d40000000 {
+			device_type = "pci";
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			compatible = "ibm,plb-pciex-460sx", "ibm,plb-pciex";
+			primary;
+			port = <0x2>; /* port number */
+			reg = <0x0000000d 0x40000000 0x20000000	/* Config space access */
+			       0x0000000c 0x10002000 0x00001000>;	/* Registers */
+			dcr-reg = <0x140 0x020>;
+			sdr-base = <0x370>;
+
+			/* Outbound ranges, one memory and one IO,
+			 * later cannot be changed
+			 */
+			ranges = <0x02000000 0x00000000 0x80000000 0x0000000f 0x00000000 0x00000000 0x80000000
+				  0x01000000 0x00000000 0x00000000 0x0000000f 0x80020000 0x00000000 0x00010000>;
+
+			/* Inbound 2GB range starting at 0 */
+			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
+
+			/* This drives busses 10 to 0x1f */
+			bus-range = <0x30 0x3f>;
+
+			/* Legacy interrupts (note the weird polarity, the bridge seems
+			 * to invert PCIe legacy interrupts).
+			 * We are de-swizzling here because the numbers are actually for
+			 * port of the root complex virtual P2P bridge. But I want
+			 * to avoid putting a node for it in the tree, so the numbers
+			 * below are basically de-swizzled numbers.
+			 * The real slot is on idsel 0, so the swizzling is 1:1
+			 */
+			interrupt-map-mask = <0x0 0x0 0x0 0x7>;
+			interrupt-map = <
+				0x0 0x0 0x0 0x1 &UIC3 0x8 0x4 /* swizzled int A */
+				0x0 0x0 0x0 0x2 &UIC3 0x9 0x4 /* swizzled int B */
+				0x0 0x0 0x0 0x3 &UIC3 0xa 0x4 /* swizzled int C */
+				0x0 0x0 0x0 0x4 &UIC3 0xb 0x4 /* swizzled int D */>;
 		};
 
 	};
+
 	chosen {
 		linux,stdout-path = "/plb/opb/serial@ef600200";
 	};

arch/powerpc/include/asm/cputable.h

@@ -70,6 +70,7 @@ struct pt_regs;
 extern int machine_check_generic(struct pt_regs *regs);
 extern int machine_check_4xx(struct pt_regs *regs);
 extern int machine_check_440A(struct pt_regs *regs);
+extern int machine_check_e500mc(struct pt_regs *regs);
 extern int machine_check_e500(struct pt_regs *regs);
 extern int machine_check_e200(struct pt_regs *regs);
 extern int machine_check_47x(struct pt_regs *regs);

arch/powerpc/include/asm/kexec.h

@@ -2,6 +2,18 @@
 #define _ASM_POWERPC_KEXEC_H
 #ifdef __KERNEL__
 
+#ifdef CONFIG_FSL_BOOKE
+
+/*
+ * On FSL-BookE we setup a 1:1 mapping which covers the first 2GiB of memory
+ * and therefore we can only deal with memory within this range
+ */
+#define KEXEC_SOURCE_MEMORY_LIMIT	(2 * 1024 * 1024 * 1024UL)
+#define KEXEC_DESTINATION_MEMORY_LIMIT	(2 * 1024 * 1024 * 1024UL)
+#define KEXEC_CONTROL_MEMORY_LIMIT	(2 * 1024 * 1024 * 1024UL)
+
+#else
+
 /*
  * Maximum page that is mapped directly into kernel memory.
  * XXX: Since we copy virt we can use any page we allocate
@@ -21,6 +33,7 @@
 /* TASK_SIZE, probably left over from use_mm ?? */
 #define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE
 #endif
+#endif
 
 #define KEXEC_CONTROL_PAGE_SIZE 4096
 

arch/powerpc/include/asm/reg_booke.h

@@ -4,6 +4,12 @@
  * are not true Book E PowerPCs, they borrowed a number of features
  * before Book E was finalized, and are included here as well.  Unfortunatly,
  * they sometimes used different locations than true Book E CPUs did.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * Copyright 2009-2010 Freescale Semiconductor, Inc.
  */
 #ifdef __KERNEL__
 #ifndef __ASM_POWERPC_REG_BOOKE_H__
@@ -88,6 +94,7 @@
 #define SPRN_IVOR35	0x213	/* Interrupt Vector Offset Register 35 */
 #define SPRN_IVOR36	0x214	/* Interrupt Vector Offset Register 36 */
 #define SPRN_IVOR37	0x215	/* Interrupt Vector Offset Register 37 */
+#define SPRN_MCARU	0x239	/* Machine Check Address Register Upper */
 #define SPRN_MCSRR0	0x23A	/* Machine Check Save and Restore Register 0 */
 #define SPRN_MCSRR1	0x23B	/* Machine Check Save and Restore Register 1 */
 #define SPRN_MCSR	0x23C	/* Machine Check Status Register */
@@ -196,8 +203,11 @@
 #define PPC47x_MCSR_IPR	0x00400000 /* Imprecise Machine Check Exception */
 
 #ifdef CONFIG_E500
+/* All e500 */
 #define MCSR_MCP 	0x80000000UL /* Machine Check Input Pin */
 #define MCSR_ICPERR 	0x40000000UL /* I-Cache Parity Error */
+
+/* e500v1/v2 */
 #define MCSR_DCP_PERR 	0x20000000UL /* D-Cache Push Parity Error */
 #define MCSR_DCPERR 	0x10000000UL /* D-Cache Parity Error */
 #define MCSR_BUS_IAERR 	0x00000080UL /* Instruction Address Error */
@@ -209,12 +219,20 @@
 #define MCSR_BUS_IPERR 	0x00000002UL /* Instruction parity Error */
 #define MCSR_BUS_RPERR 	0x00000001UL /* Read parity Error */
 
-/* e500 parts may set unused bits in MCSR; mask these off */
-#define MCSR_MASK	(MCSR_MCP | MCSR_ICPERR | MCSR_DCP_PERR | \
-			MCSR_DCPERR | MCSR_BUS_IAERR | MCSR_BUS_RAERR | \
-			MCSR_BUS_WAERR | MCSR_BUS_IBERR | MCSR_BUS_RBERR | \
-			MCSR_BUS_WBERR | MCSR_BUS_IPERR | MCSR_BUS_RPERR)
+/* e500mc */
+#define MCSR_DCPERR_MC	0x20000000UL /* D-Cache Parity Error */
+#define MCSR_L2MMU_MHIT	0x04000000UL /* Hit on multiple TLB entries */
+#define MCSR_NMI	0x00100000UL /* Non-Maskable Interrupt */
+#define MCSR_MAV	0x00080000UL /* MCAR address valid */
+#define MCSR_MEA	0x00040000UL /* MCAR is effective address */
+#define MCSR_IF		0x00010000UL /* Instruction Fetch */
+#define MCSR_LD		0x00008000UL /* Load */
+#define MCSR_ST		0x00004000UL /* Store */
+#define MCSR_LDG	0x00002000UL /* Guarded Load */
+#define MCSR_TLBSYNC	0x00000002UL /* Multiple tlbsyncs detected */
+#define MCSR_BSL2_ERR	0x00000001UL /* Backside L2 cache error */
 #endif
+
 #ifdef CONFIG_E200
 #define MCSR_MCP 	0x80000000UL /* Machine Check Input Pin */
 #define MCSR_CP_PERR 	0x20000000UL /* Cache Push Parity Error */
@@ -225,11 +243,6 @@
 #define MCSR_BUS_DRERR 	0x00000008UL /* Read Bus Error on data load */
 #define MCSR_BUS_WRERR 	0x00000004UL /* Write Bus Error on buffered
 					store or cache line push */
-
-/* e200 parts may set unused bits in MCSR; mask these off */
-#define MCSR_MASK	(MCSR_MCP | MCSR_CP_PERR | MCSR_CPERR | \
-			MCSR_EXCP_ERR | MCSR_BUS_IRERR | MCSR_BUS_DRERR | \
-			MCSR_BUS_WRERR)
 #endif
 
 /* Bit definitions for the DBSR. */

arch/powerpc/kernel/Makefile

@@ -57,8 +57,12 @@ obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
 obj-$(CONFIG_E500)		+= idle_e500.o
 obj-$(CONFIG_6xx)		+= idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o
 obj-$(CONFIG_TAU)		+= tau_6xx.o
-obj-$(CONFIG_HIBERNATION)	+= swsusp.o suspend.o \
-				   swsusp_$(CONFIG_WORD_SIZE).o
+obj-$(CONFIG_HIBERNATION)	+= swsusp.o suspend.o
+ifeq ($(CONFIG_FSL_BOOKE),y)
+obj-$(CONFIG_HIBERNATION)	+= swsusp_booke.o
+else
+obj-$(CONFIG_HIBERNATION)	+= swsusp_$(CONFIG_WORD_SIZE).o
+endif
 obj64-$(CONFIG_HIBERNATION)	+= swsusp_asm64.o
 obj-$(CONFIG_MODULES)		+= module.o module_$(CONFIG_WORD_SIZE).o
 obj-$(CONFIG_44x)		+= cpu_setup_44x.o

arch/powerpc/kernel/cputable.c

@@ -1840,7 +1840,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.oprofile_cpu_type	= "ppc/e500mc",
 		.oprofile_type		= PPC_OPROFILE_FSL_EMB,
 		.cpu_setup		= __setup_cpu_e500mc,
-		.machine_check		= machine_check_e500,
+		.machine_check		= machine_check_e500mc,
 		.platform		= "ppce500mc",
 	},
 	{	/* default match */

arch/powerpc/kernel/crash.c

@@ -163,6 +163,7 @@ static void crash_kexec_prepare_cpus(int cpu)
 }
 
 /* wait for all the CPUs to hit real mode but timeout if they don't come in */
+#ifdef CONFIG_PPC_STD_MMU_64
 static void crash_kexec_wait_realmode(int cpu)
 {
 	unsigned int msecs;
@@ -187,6 +188,7 @@ static void crash_kexec_wait_realmode(int cpu)
 	}
 	mb();
 }
+#endif
 
 /*
  * This function will be called by secondary cpus or by kexec cpu
@@ -445,7 +447,9 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
 	crash_kexec_prepare_cpus(crashing_cpu);
 	cpu_set(crashing_cpu, cpus_in_crash);
 	crash_kexec_stop_spus();
+#ifdef CONFIG_PPC_STD_MMU_64
 	crash_kexec_wait_realmode(crashing_cpu);
+#endif
 	if (ppc_md.kexec_cpu_down)
 		ppc_md.kexec_cpu_down(1, 0);
 }

arch/powerpc/kernel/fsl_booke_entry_mapping.S

+
+/* 1. Find the index of the entry we're executing in */
+	bl	invstr				/* Find our address */
+invstr:	mflr	r6				/* Make it accessible */
+	mfmsr	r7
+	rlwinm	r4,r7,27,31,31			/* extract MSR[IS] */
+	mfspr	r7, SPRN_PID0
+	slwi	r7,r7,16
+	or	r7,r7,r4
+	mtspr	SPRN_MAS6,r7
+	tlbsx	0,r6				/* search MSR[IS], SPID=PID0 */
+	mfspr	r7,SPRN_MAS1
+	andis.	r7,r7,MAS1_VALID@h
+	bne	match_TLB
+
+	mfspr	r7,SPRN_MMUCFG
+	rlwinm	r7,r7,21,28,31			/* extract MMUCFG[NPIDS] */
+	cmpwi	r7,3
+	bne	match_TLB			/* skip if NPIDS != 3 */
+
+	mfspr	r7,SPRN_PID1
+	slwi	r7,r7,16
+	or	r7,r7,r4
+	mtspr	SPRN_MAS6,r7
+	tlbsx	0,r6				/* search MSR[IS], SPID=PID1 */
+	mfspr	r7,SPRN_MAS1
+	andis.	r7,r7,MAS1_VALID@h
+	bne	match_TLB
+	mfspr	r7, SPRN_PID2
+	slwi	r7,r7,16
+	or	r7,r7,r4
+	mtspr	SPRN_MAS6,r7
+	tlbsx	0,r6				/* Fall through, we had to match */
+
+match_TLB:
+	mfspr	r7,SPRN_MAS0
+	rlwinm	r3,r7,16,20,31			/* Extract MAS0(Entry) */
+
+	mfspr	r7,SPRN_MAS1			/* Insure IPROT set */
+	oris	r7,r7,MAS1_IPROT@h
+	mtspr	SPRN_MAS1,r7
+	tlbwe
+
+/* 2. Invalidate all entries except the entry we're executing in */
+	mfspr	r9,SPRN_TLB1CFG
+	andi.	r9,r9,0xfff
+	li	r6,0				/* Set Entry counter to 0 */
+1:	lis	r7,0x1000			/* Set MAS0(TLBSEL) = 1 */
+	rlwimi	r7,r6,16,4,15			/* Setup MAS0 = TLBSEL | ESEL(r6) */
+	mtspr	SPRN_MAS0,r7
+	tlbre
+	mfspr	r7,SPRN_MAS1
+	rlwinm	r7,r7,0,2,31			/* Clear MAS1 Valid and IPROT */
+	cmpw	r3,r6
+	beq	skpinv				/* Dont update the current execution TLB */
+	mtspr	SPRN_MAS1,r7
+	tlbwe
+	isync
+skpinv:	addi	r6,r6,1				/* Increment */
+	cmpw	r6,r9				/* Are we done? */
+	bne	1b				/* If not, repeat */
+
+	/* Invalidate TLB0 */
+	li	r6,0x04
+	tlbivax 0,r6
+	TLBSYNC
+	/* Invalidate TLB1 */
+	li	r6,0x0c
+	tlbivax 0,r6
+	TLBSYNC
+
+/* 3. Setup a temp mapping and jump to it */
+	andi.	r5, r3, 0x1	/* Find an entry not used and is non-zero */
+	addi	r5, r5, 0x1
+	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */
+	rlwimi	r7,r3,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r3) */
+	mtspr	SPRN_MAS0,r7
+	tlbre
+
+	/* grab and fixup the RPN */
+	mfspr	r6,SPRN_MAS1	/* extract MAS1[SIZE] */
+	rlwinm	r6,r6,25,27,31
+	li	r8,-1
+	addi	r6,r6,10
+	slw	r6,r8,r6	/* convert to mask */
+
+	bl	1f		/* Find our address */
+1:	mflr	r7
+
+	mfspr	r8,SPRN_MAS3
+#ifdef CONFIG_PHYS_64BIT
+	mfspr	r23,SPRN_MAS7
+#endif
+	and	r8,r6,r8
+	subfic	r9,r6,-4096
+	and	r9,r9,r7
+
+	or	r25,r8,r9
+	ori	r8,r25,(MAS3_SX|MAS3_SW|MAS3_SR)
+
+	/* Just modify the entry ID and EPN for the temp mapping */
+	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */
+	rlwimi	r7,r5,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r5) */
+	mtspr	SPRN_MAS0,r7
+	xori	r6,r4,1		/* Setup TMP mapping in the other Address space */
+	slwi	r6,r6,12
+	oris	r6,r6,(MAS1_VALID|MAS1_IPROT)@h
+	ori	r6,r6,(MAS1_TSIZE(BOOK3E_PAGESZ_4K))@l
+	mtspr	SPRN_MAS1,r6
+	mfspr	r6,SPRN_MAS2
+	li	r7,0		/* temp EPN = 0 */
+	rlwimi	r7,r6,0,20,31
+	mtspr	SPRN_MAS2,r7
+	mtspr	SPRN_MAS3,r8
+	tlbwe
+
+	xori	r6,r4,1
+	slwi	r6,r6,5		/* setup new context with other address space */
+	bl	1f		/* Find our address */
+1:	mflr	r9
+	rlwimi	r7,r9,0,20,31
+	addi	r7,r7,(2f - 1b)
+	mtspr	SPRN_SRR0,r7
+	mtspr	SPRN_SRR1,r6
+	rfi
+2:
+/* 4. Clear out PIDs & Search info */
+	li	r6,0
+	mtspr   SPRN_MAS6,r6
+	mtspr	SPRN_PID0,r6
+
+	mfspr	r7,SPRN_MMUCFG
+	rlwinm	r7,r7,21,28,31			/* extract MMUCFG[NPIDS] */
+	cmpwi	r7,3
+	bne	2f				/* skip if NPIDS != 3 */
+
+	mtspr	SPRN_PID1,r6
+	mtspr	SPRN_PID2,r6
+
+/* 5. Invalidate mapping we started in */
+2:
+	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */
+	rlwimi	r7,r3,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r3) */
+	mtspr	SPRN_MAS0,r7
+	tlbre
+	mfspr	r6,SPRN_MAS1
+	rlwinm	r6,r6,0,2,0	/* clear IPROT */
+	mtspr	SPRN_MAS1,r6
+	tlbwe
+	/* Invalidate TLB1 */
+	li	r9,0x0c
+	tlbivax 0,r9
+	TLBSYNC
+
+/* The mapping only needs to be cache-coherent on SMP */
+#ifdef CONFIG_SMP
+#define M_IF_SMP	MAS2_M
+#else
+#define M_IF_SMP	0
+#endif
+
+#if defined(ENTRY_MAPPING_BOOT_SETUP)
+
+/* 6. Setup KERNELBASE mapping in TLB1[0] */
+	lis	r6,0x1000		/* Set MAS0(TLBSEL) = TLB1(1), ESEL = 0 */
+	mtspr	SPRN_MAS0,r6
+	lis	r6,(MAS1_VALID|MAS1_IPROT)@h
+	ori	r6,r6,(MAS1_TSIZE(BOOK3E_PAGESZ_64M))@l
+	mtspr	SPRN_MAS1,r6
+	lis	r6,MAS2_VAL(PAGE_OFFSET, BOOK3E_PAGESZ_64M, M_IF_SMP)@h
+	ori	r6,r6,MAS2_VAL(PAGE_OFFSET, BOOK3E_PAGESZ_64M, M_IF_SMP)@l
+	mtspr	SPRN_MAS2,r6
+	mtspr	SPRN_MAS3,r8
+	tlbwe
+
+/* 7. Jump to KERNELBASE mapping */
+	lis	r6,(KERNELBASE & ~0xfff)@h
+	ori	r6,r6,(KERNELBASE & ~0xfff)@l
+
+#elif defined(ENTRY_MAPPING_KEXEC_SETUP)
+/*
+ * 6. Setup a 1:1 mapping in TLB1. Esel 0 is unsued, 1 or 2 contains the tmp
+ * mapping so we start at 3. We setup 8 mappings, each 256MiB in size. This
+ * will cover the first 2GiB of memory.
+ */
+
+	lis r10, (MAS1_VALID|MAS1_IPROT)@h
+	ori r10,r10, (MAS1_TSIZE(BOOK3E_PAGESZ_256M))@l
+	li  r11, 0
+	li  r0, 8
+	mtctr   r0
+
+next_tlb_setup:
+	addi	r0, r11, 3
+	rlwinm  r0, r0, 16, 4, 15  // Compute esel
+	rlwinm  r9, r11, 28, 0, 3   // Compute [ER]PN
+	oris    r0, r0, (MAS0_TLBSEL(1))@h
+	mtspr   SPRN_MAS0,r0
+	mtspr   SPRN_MAS1,r10
+	mtspr   SPRN_MAS2,r9
+	ori r9, r9, (MAS3_SX|MAS3_SW|MAS3_SR)
+	mtspr   SPRN_MAS3,r9
+	tlbwe
+	addi    r11, r11, 1
+	bdnz+   next_tlb_setup
+
+/* 7. Jump to our 1:1 mapping */
+	li	r6, 0
+
+#else
+	#error You need to specify the mapping or not use this at all.
+#endif
+
+	lis	r7,MSR_KERNEL@h
+	ori	r7,r7,MSR_KERNEL@l
+	bl	1f			/* Find our address */
+1:	mflr	r9
+	rlwimi	r6,r9,0,20,31
+	addi	r6,r6,(2f - 1b)
+	add	r6, r6, r25
+	mtspr	SPRN_SRR0,r6
+	mtspr	SPRN_SRR1,r7
+	rfi				/* start execution out of TLB1[0] entry */
+
+/* 8. Clear out the temp mapping */
+2:	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */
+	rlwimi	r7,r5,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r5) */
+	mtspr	SPRN_MAS0,r7
+	tlbre
+	mfspr	r8,SPRN_MAS1
+	rlwinm	r8,r8,0,2,0	/* clear IPROT */
+	mtspr	SPRN_MAS1,r8
+	tlbwe
+	/* Invalidate TLB1 */
+	li	r9,0x0c
+	tlbivax 0,r9
+	TLBSYNC

arch/powerpc/kernel/head_fsl_booke.S

@@ -94,204 +94,10 @@ _ENTRY(_start);
  */
 
 _ENTRY(__early_start)
-/* 1. Find the index of the entry we're executing in */
-	bl	invstr				/* Find our address */
-invstr:	mflr	r6				/* Make it accessible */
-	mfmsr	r7
-	rlwinm	r4,r7,27,31,31			/* extract MSR[IS] */
-	mfspr	r7, SPRN_PID0
-	slwi	r7,r7,16
-	or	r7,r7,r4
-	mtspr	SPRN_MAS6,r7
-	tlbsx	0,r6				/* search MSR[IS], SPID=PID0 */
-	mfspr	r7,SPRN_MAS1
-	andis.	r7,r7,MAS1_VALID@h
-	bne	match_TLB
-
-	mfspr	r7,SPRN_MMUCFG
-	rlwinm	r7,r7,21,28,31			/* extract MMUCFG[NPIDS] */
-	cmpwi	r7,3
-	bne	match_TLB			/* skip if NPIDS != 3 */
-
-	mfspr	r7,SPRN_PID1
-	slwi	r7,r7,16
-	or	r7,r7,r4
-	mtspr	SPRN_MAS6,r7
-	tlbsx	0,r6				/* search MSR[IS], SPID=PID1 */
-	mfspr	r7,SPRN_MAS1
-	andis.	r7,r7,MAS1_VALID@h
-	bne	match_TLB
-	mfspr	r7, SPRN_PID2
-	slwi	r7,r7,16
-	or	r7,r7,r4
-	mtspr	SPRN_MAS6,r7
-	tlbsx	0,r6				/* Fall through, we had to match */
-
-match_TLB:
-	mfspr	r7,SPRN_MAS0
-	rlwinm	r3,r7,16,20,31			/* Extract MAS0(Entry) */
-
-	mfspr	r7,SPRN_MAS1			/* Insure IPROT set */
-	oris	r7,r7,MAS1_IPROT@h
-	mtspr	SPRN_MAS1,r7
-	tlbwe
-
-/* 2. Invalidate all entries except the entry we're executing in */
-	mfspr	r9,SPRN_TLB1CFG
-	andi.	r9,r9,0xfff
-	li	r6,0				/* Set Entry counter to 0 */
-1:	lis	r7,0x1000			/* Set MAS0(TLBSEL) = 1 */
-	rlwimi	r7,r6,16,4,15			/* Setup MAS0 = TLBSEL | ESEL(r6) */
-	mtspr	SPRN_MAS0,r7
-	tlbre
-	mfspr	r7,SPRN_MAS1
-	rlwinm	r7,r7,0,2,31			/* Clear MAS1 Valid and IPROT */
-	cmpw	r3,r6
-	beq	skpinv				/* Dont update the current execution TLB */
-	mtspr	SPRN_MAS1,r7
-	tlbwe
-	isync
-skpinv:	addi	r6,r6,1				/* Increment */
-	cmpw	r6,r9				/* Are we done? */
-	bne	1b				/* If not, repeat */
-
-	/* Invalidate TLB0 */
-	li	r6,0x04
-	tlbivax 0,r6
-	TLBSYNC
-	/* Invalidate TLB1 */
-	li	r6,0x0c
-	tlbivax 0,r6
-	TLBSYNC
-
-/* 3. Setup a temp mapping and jump to it */
-	andi.	r5, r3, 0x1	/* Find an entry not used and is non-zero */
-	addi	r5, r5, 0x1
-	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */
-	rlwimi	r7,r3,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r3) */
-	mtspr	SPRN_MAS0,r7
-	tlbre
-
-	/* grab and fixup the RPN */
-	mfspr	r6,SPRN_MAS1	/* extract MAS1[SIZE] */
-	rlwinm	r6,r6,25,27,31
-	li	r8,-1
-	addi	r6,r6,10
-	slw	r6,r8,r6	/* convert to mask */
-
-	bl	1f		/* Find our address */
-1:	mflr	r7
-
-	mfspr	r8,SPRN_MAS3
-#ifdef CONFIG_PHYS_64BIT
-	mfspr	r23,SPRN_MAS7
-#endif
-	and	r8,r6,r8
-	subfic	r9,r6,-4096
-	and	r9,r9,r7
-
-	or	r25,r8,r9
-	ori	r8,r25,(MAS3_SX|MAS3_SW|MAS3_SR)
-
-	/* Just modify the entry ID and EPN for the temp mapping */
-	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */
-	rlwimi	r7,r5,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r5) */
-	mtspr	SPRN_MAS0,r7
-	xori	r6,r4,1		/* Setup TMP mapping in the other Address space */
-	slwi	r6,r6,12
-	oris	r6,r6,(MAS1_VALID|MAS1_IPROT)@h
-	ori	r6,r6,(MAS1_TSIZE(BOOK3E_PAGESZ_4K))@l
-	mtspr	SPRN_MAS1,r6
-	mfspr	r6,SPRN_MAS2
-	li	r7,0		/* temp EPN = 0 */
-	rlwimi	r7,r6,0,20,31
-	mtspr	SPRN_MAS2,r7
-	mtspr	SPRN_MAS3,r8
-	tlbwe
-
-	xori	r6,r4,1
-	slwi	r6,r6,5		/* setup new context with other address space */
-	bl	1f		/* Find our address */
-1:	mflr	r9
-	rlwimi	r7,r9,0,20,31
-	addi	r7,r7,(2f - 1b)
-	mtspr	SPRN_SRR0,r7
-	mtspr	SPRN_SRR1,r6
-	rfi
-2:
-/* 4. Clear out PIDs & Search info */
-	li	r6,0
-	mtspr   SPRN_MAS6,r6
-	mtspr	SPRN_PID0,r6
-
-	mfspr	r7,SPRN_MMUCFG
-	rlwinm	r7,r7,21,28,31			/* extract MMUCFG[NPIDS] */
-	cmpwi	r7,3
-	bne	2f				/* skip if NPIDS != 3 */
 
-	mtspr	SPRN_PID1,r6
-	mtspr	SPRN_PID2,r6
-
-/* 5. Invalidate mapping we started in */
-2:
-	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */
-	rlwimi	r7,r3,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r3) */
-	mtspr	SPRN_MAS0,r7
-	tlbre
-	mfspr	r6,SPRN_MAS1
-	rlwinm	r6,r6,0,2,0	/* clear IPROT */
-	mtspr	SPRN_MAS1,r6
-	tlbwe
-	/* Invalidate TLB1 */
-	li	r9,0x0c
-	tlbivax 0,r9
-	TLBSYNC
-
-/* The mapping only needs to be cache-coherent on SMP */
-#ifdef CONFIG_SMP
-#define M_IF_SMP	MAS2_M
-#else
-#define M_IF_SMP	0
-#endif
-
-/* 6. Setup KERNELBASE mapping in TLB1[0] */
-	lis	r6,0x1000		/* Set MAS0(TLBSEL) = TLB1(1), ESEL = 0 */
-	mtspr	SPRN_MAS0,r6
-	lis	r6,(MAS1_VALID|MAS1_IPROT)@h
-	ori	r6,r6,(MAS1_TSIZE(BOOK3E_PAGESZ_64M))@l
-	mtspr	SPRN_MAS1,r6
-	lis	r6,MAS2_VAL(PAGE_OFFSET, BOOK3E_PAGESZ_64M, M_IF_SMP)@h
-	ori	r6,r6,MAS2_VAL(PAGE_OFFSET, BOOK3E_PAGESZ_64M, M_IF_SMP)@l
-	mtspr	SPRN_MAS2,r6
-	mtspr	SPRN_MAS3,r8
-	tlbwe
-
-/* 7. Jump to KERNELBASE mapping */
-	lis	r6,(KERNELBASE & ~0xfff)@h
-	ori	r6,r6,(KERNELBASE & ~0xfff)@l
-	lis	r7,MSR_KERNEL@h
-	ori	r7,r7,MSR_KERNEL@l
-	bl	1f			/* Find our address */
-1:	mflr	r9
-	rlwimi	r6,r9,0,20,31
-	addi	r6,r6,(2f - 1b)
-	mtspr	SPRN_SRR0,r6
-	mtspr	SPRN_SRR1,r7
-	rfi				/* start execution out of TLB1[0] entry */
-
-/* 8. Clear out the temp mapping */
-2:	lis	r7,0x1000	/* Set MAS0(TLBSEL) = 1 */
-	rlwimi	r7,r5,16,4,15	/* Setup MAS0 = TLBSEL | ESEL(r5) */
-	mtspr	SPRN_MAS0,r7
-	tlbre
-	mfspr	r8,SPRN_MAS1
-	rlwinm	r8,r8,0,2,0	/* clear IPROT */
-	mtspr	SPRN_MAS1,r8
-	tlbwe
-	/* Invalidate TLB1 */
-	li	r9,0x0c
-	tlbivax 0,r9
-	TLBSYNC
+#define ENTRY_MAPPING_BOOT_SETUP
+#include "fsl_booke_entry_mapping.S"
+#undef ENTRY_MAPPING_BOOT_SETUP
 
 	/* Establish the interrupt vector offsets */
 	SET_IVOR(0,  CriticalInput);

arch/powerpc/kernel/misc_32.S

@@ -711,6 +711,22 @@ relocate_new_kernel:
 	/* r4 = reboot_code_buffer */
 	/* r5 = start_address      */
 
+#ifdef CONFIG_FSL_BOOKE
+
+	mr	r29, r3
+	mr	r30, r4
+	mr	r31, r5
+
+#define ENTRY_MAPPING_KEXEC_SETUP
+#include "fsl_booke_entry_mapping.S"
+#undef ENTRY_MAPPING_KEXEC_SETUP
+
+	mr      r3, r29
+	mr      r4, r30
+	mr      r5, r31
+
+	li	r0, 0
+#else
 	li	r0, 0
 
 	/*
@@ -727,6 +743,7 @@ relocate_new_kernel:
 	rfi
 
 1:
+#endif
 	/* from this point address translation is turned off */
 	/* and interrupts are disabled */
 

arch/powerpc/kernel/ppc_ksyms.c

@@ -101,7 +101,7 @@ EXPORT_SYMBOL(pci_dram_offset);
 EXPORT_SYMBOL(start_thread);
 EXPORT_SYMBOL(kernel_thread);
 
-#ifndef CONFIG_BOOKE
+#ifdef CONFIG_PPC_FPU
 EXPORT_SYMBOL_GPL(cvt_df);
 EXPORT_SYMBOL_GPL(cvt_fd);
 #endif

arch/powerpc/kernel/swsusp_booke.S

+/*
+ * Based on swsusp_32.S, modified for FSL BookE by
+ * Anton Vorontsov <avorontsov@ru.mvista.com>
+ * Copyright (c) 2009-2010 MontaVista Software, LLC.
+ */
+
+#include <linux/threads.h>
+#include <asm/processor.h>
+#include <asm/page.h>
+#include <asm/cputable.h>
+#include <asm/thread_info.h>
+#include <asm/ppc_asm.h>
+#include <asm/asm-offsets.h>
+#include <asm/mmu.h>
+
+/*
+ * Structure for storing CPU registers on the save area.
+ */
+#define SL_SP		0
+#define SL_PC		4
+#define SL_MSR		8
+#define SL_TCR		0xc
+#define SL_SPRG0	0x10
+#define SL_SPRG1	0x14
+#define SL_SPRG2	0x18
+#define SL_SPRG3	0x1c
+#define SL_SPRG4	0x20
+#define SL_SPRG5	0x24
+#define SL_SPRG6	0x28
+#define SL_SPRG7	0x2c
+#define SL_TBU		0x30
+#define SL_TBL		0x34
+#define SL_R2		0x38
+#define SL_CR		0x3c
+#define SL_LR		0x40
+#define SL_R12		0x44	/* r12 to r31 */
+#define SL_SIZE		(SL_R12 + 80)
+
+	.section .data
+	.align	5
+
+_GLOBAL(swsusp_save_area)
+	.space	SL_SIZE
+
+
+	.section .text
+	.align	5
+
+_GLOBAL(swsusp_arch_suspend)
+	lis	r11,swsusp_save_area@h
+	ori	r11,r11,swsusp_save_area@l
+
+	mflr	r0
+	stw	r0,SL_LR(r11)
+	mfcr	r0
+	stw	r0,SL_CR(r11)
+	stw	r1,SL_SP(r11)
+	stw	r2,SL_R2(r11)
+	stmw	r12,SL_R12(r11)
+
+	/* Save MSR & TCR */
+	mfmsr	r4
+	stw	r4,SL_MSR(r11)
+	mfspr	r4,SPRN_TCR
+	stw	r4,SL_TCR(r11)
+
+	/* Get a stable timebase and save it */
+1:	mfspr	r4,SPRN_TBRU
+	stw	r4,SL_TBU(r11)
+	mfspr	r5,SPRN_TBRL
+	stw	r5,SL_TBL(r11)
+	mfspr	r3,SPRN_TBRU
+	cmpw	r3,r4
+	bne	1b
+
+	/* Save SPRGs */
+	mfsprg	r4,0
+	stw	r4,SL_SPRG0(r11)
+	mfsprg	r4,1
+	stw	r4,SL_SPRG1(r11)
+	mfsprg	r4,2
+	stw	r4,SL_SPRG2(r11)
+	mfsprg	r4,3
+	stw	r4,SL_SPRG3(r11)
+	mfsprg	r4,4
+	stw	r4,SL_SPRG4(r11)
+	mfsprg	r4,5
+	stw	r4,SL_SPRG5(r11)
+	mfsprg	r4,6
+	stw	r4,SL_SPRG6(r11)
+	mfsprg	r4,7
+	stw	r4,SL_SPRG7(r11)
+
+	/* Call the low level suspend stuff (we should probably have made
+	 * a stackframe...
+	 */
+	bl	swsusp_save
+
+	/* Restore LR from the save area */
+	lis	r11,swsusp_save_area@h
+	ori	r11,r11,swsusp_save_area@l
+	lwz	r0,SL_LR(r11)
+	mtlr	r0
+
+	blr
+
+_GLOBAL(swsusp_arch_resume)
+	sync
+
+	/* Load ptr the list of pages to copy in r3 */
+	lis	r11,(restore_pblist)@h
+	ori	r11,r11,restore_pblist@l
+	lwz	r3,0(r11)
+
+	/* Copy the pages. This is a very basic implementation, to
+	 * be replaced by something more cache efficient */
+1:
+	li	r0,256
+	mtctr	r0
+	lwz	r5,pbe_address(r3)	/* source */
+	lwz	r6,pbe_orig_address(r3)	/* destination */
+2:
+	lwz	r8,0(r5)
+	lwz	r9,4(r5)
+	lwz	r10,8(r5)
+	lwz	r11,12(r5)
+	addi	r5,r5,16
+	stw	r8,0(r6)
+	stw	r9,4(r6)
+	stw	r10,8(r6)
+	stw	r11,12(r6)
+	addi	r6,r6,16
+	bdnz	2b
+	lwz	r3,pbe_next(r3)
+	cmpwi	0,r3,0
+	bne	1b
+
+	bl flush_dcache_L1
+	bl flush_instruction_cache
+
+	lis	r11,swsusp_save_area@h
+	ori	r11,r11,swsusp_save_area@l
+
+	lwz	r4,SL_SPRG0(r11)
+	mtsprg	0,r4
+	lwz	r4,SL_SPRG1(r11)
+	mtsprg	1,r4
+	lwz	r4,SL_SPRG2(r11)
+	mtsprg	2,r4
+	lwz	r4,SL_SPRG3(r11)
+	mtsprg	3,r4
+	lwz	r4,SL_SPRG4(r11)
+	mtsprg	4,r4
+	lwz	r4,SL_SPRG5(r11)
+	mtsprg	5,r4
+	lwz	r4,SL_SPRG6(r11)
+	mtsprg	6,r4
+	lwz	r4,SL_SPRG7(r11)
+	mtsprg	7,r4
+
+	/* restore the MSR */
+	lwz	r3,SL_MSR(r11)
+	mtmsr	r3
+
+	/* Restore TB */
+	li	r3,0
+	mtspr	SPRN_TBWL,r3
+	lwz	r3,SL_TBU(r11)
+	lwz	r4,SL_TBL(r11)
+	mtspr	SPRN_TBWU,r3
+	mtspr	SPRN_TBWL,r4
+
+	/* Restore TCR and clear any pending bits in TSR. */
+	lwz	r4,SL_TCR(r11)
+	mtspr	SPRN_TCR,r4
+	lis	r4, (TSR_ENW | TSR_WIS | TSR_DIS | TSR_FIS)@h
+	mtspr	SPRN_TSR,r4
+
+	/* Kick decrementer */
+	li	r0,1
+	mtdec	r0
+
+	/* Restore the callee-saved registers and return */
+	lwz	r0,SL_CR(r11)
+	mtcr	r0
+	lwz	r2,SL_R2(r11)
+	lmw	r12,SL_R12(r11)
+	lwz	r1,SL_SP(r11)
+	lwz	r0,SL_LR(r11)
+	mtlr	r0
+
+	li	r3,0
+	blr

arch/powerpc/kernel/traps.c

 /*
  *  Copyright (C) 1995-1996  Gary Thomas (gdt@linuxppc.org)
+ *  Copyright 2007-2010 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
@@ -305,7 +306,7 @@ static inline int check_io_access(struct pt_regs *regs)
 #ifndef CONFIG_FSL_BOOKE
 #define get_mc_reason(regs)	((regs)->dsisr)
 #else
-#define get_mc_reason(regs)	(mfspr(SPRN_MCSR) & MCSR_MASK)
+#define get_mc_reason(regs)	(mfspr(SPRN_MCSR))
 #endif
 #define REASON_FP		ESR_FP
 #define REASON_ILLEGAL		(ESR_PIL | ESR_PUO)
@@ -421,6 +422,91 @@ int machine_check_47x(struct pt_regs *regs)
 	return 0;
 }
 #elif defined(CONFIG_E500)
+int machine_check_e500mc(struct pt_regs *regs)
+{
+	unsigned long mcsr = mfspr(SPRN_MCSR);
+	unsigned long reason = mcsr;
+	int recoverable = 1;
+
+	printk("Machine check in kernel mode.\n");
+	printk("Caused by (from MCSR=%lx): ", reason);
+
+	if (reason & MCSR_MCP)
+		printk("Machine Check Signal\n");
+
+	if (reason & MCSR_ICPERR) {
+		printk("Instruction Cache Parity Error\n");
+
+		/*
+		 * This is recoverable by invalidating the i-cache.
+		 */
+		mtspr(SPRN_L1CSR1, mfspr(SPRN_L1CSR1) | L1CSR1_ICFI);
+		while (mfspr(SPRN_L1CSR1) & L1CSR1_ICFI)
+			;
+
+		/*
+		 * This will generally be accompanied by an instruction
+		 * fetch error report -- only treat MCSR_IF as fatal
+		 * if it wasn't due to an L1 parity error.
+		 */
+		reason &= ~MCSR_IF;
+	}
+
+	if (reason & MCSR_DCPERR_MC) {
+		printk("Data Cache Parity Error\n");
+		recoverable = 0;
+	}
+
+	if (reason & MCSR_L2MMU_MHIT) {
+		printk("Hit on multiple TLB entries\n");
+		recoverable = 0;
+	}
+
+	if (reason & MCSR_NMI)
+		printk("Non-maskable interrupt\n");
+
+	if (reason & MCSR_IF) {
+		printk("Instruction Fetch Error Report\n");
+		recoverable = 0;
+	}
+
+	if (reason & MCSR_LD) {
+		printk("Load Error Report\n");
+		recoverable = 0;
+	}
+
+	if (reason & MCSR_ST) {
+		printk("Store Error Report\n");
+		recoverable = 0;
+	}
+
+	if (reason & MCSR_LDG) {
+		printk("Guarded Load Error Report\n");
+		recoverable = 0;
+	}
+
+	if (reason & MCSR_TLBSYNC)
+		printk("Simultaneous tlbsync operations\n");
+
+	if (reason & MCSR_BSL2_ERR) {
+		printk("Level 2 Cache Error\n");
+		recoverable = 0;
+	}
+
+	if (reason & MCSR_MAV) {
+		u64 addr;
+
+		addr = mfspr(SPRN_MCAR);
+		addr |= (u64)mfspr(SPRN_MCARU) << 32;
+
+		printk("Machine Check %s Address: %#llx\n",
+		       reason & MCSR_MEA ? "Effective" : "Physical", addr);
+	}
+
+	mtspr(SPRN_MCSR, mcsr);
+	return mfspr(SPRN_MCSR) == 0 && recoverable;
+}
+
 int machine_check_e500(struct pt_regs *regs)
 {
 	unsigned long reason = get_mc_reason(regs);

arch/powerpc/platforms/44x/Kconfig

@@ -171,6 +171,17 @@ config ISS4xx
 	help
 	  This option enables support for the IBM ISS simulation environment
 
+config ICON
+	bool "Icon"
+	depends on 44x
+	default n
+	select PPC44x_SIMPLE
+	select 440SPe
+	select PCI
+	select PPC4xx_PCI_EXPRESS
+	help
+	  This option enables support for the AMCC PPC440SPe evaluation board.
+
 #config LUAN
 #	bool "Luan"
 #	depends on 44x

arch/powerpc/platforms/44x/ppc44x_simple.c

@@ -61,7 +61,8 @@ static char *board[] __initdata = {
 	"amcc,redwood",
 	"amcc,sequoia",
 	"amcc,taishan",
-	"amcc,yosemite"
+	"amcc,yosemite",
+	"mosaixtech,icon"
 };
 
 static int __init ppc44x_probe(void)

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

 /*
- * Copyright (C) Freescale Semicondutor, Inc. 2006-2007. All rights reserved.
+ * Copyright (C) Freescale Semicondutor, Inc. 2006-2010. All rights reserved.
  *
  * Author: Andy Fleming <afleming@freescale.com>
  *
@@ -154,6 +154,10 @@ static int mpc8568_mds_phy_fixups(struct phy_device *phydev)
  * Setup the architecture
  *
  */
+#ifdef CONFIG_SMP
+extern void __init mpc85xx_smp_init(void);
+#endif
+
 static void __init mpc85xx_mds_setup_arch(void)
 {
 	struct device_node *np;
@@ -194,6 +198,10 @@ static void __init mpc85xx_mds_setup_arch(void)
 	}
 #endif
 
+#ifdef CONFIG_SMP
+	mpc85xx_smp_init();
+#endif
+
 #ifdef CONFIG_QUICC_ENGINE
 	np = of_find_compatible_node(NULL, NULL, "fsl,qe");
 	if (!np) {
@@ -271,9 +279,49 @@ static void __init mpc85xx_mds_setup_arch(void)
 						BCSR_UCC_RGMII, BCSR_UCC_RTBI);
 			}
 
+		} else if (machine_is(p1021_mds)) {
+#define BCSR11_ENET_MICRST     (0x1 << 5)
+			/* Reset Micrel PHY */
+			clrbits8(&bcsr_regs[11], BCSR11_ENET_MICRST);
+			setbits8(&bcsr_regs[11], BCSR11_ENET_MICRST);
 		}
+
 		iounmap(bcsr_regs);
 	}
+
+	if (machine_is(p1021_mds)) {
+#define MPC85xx_PMUXCR_OFFSET           0x60
+#define MPC85xx_PMUXCR_QE0              0x00008000
+#define MPC85xx_PMUXCR_QE3              0x00001000
+#define MPC85xx_PMUXCR_QE9              0x00000040
+#define MPC85xx_PMUXCR_QE12             0x00000008
+		static __be32 __iomem *pmuxcr;
+
+		np = of_find_node_by_name(NULL, "global-utilities");
+
+		if (np) {
+			pmuxcr = of_iomap(np, 0) + MPC85xx_PMUXCR_OFFSET;
+
+			if (!pmuxcr)
+				printk(KERN_EMERG "Error: Alternate function"
+					" signal multiplex control register not"
+					" mapped!\n");
+			else
+			/* P1021 has pins muxed for QE and other functions. To
+			 * enable QE UEC mode, we need to set bit QE0 for UCC1
+			 * in Eth mode, QE0 and QE3 for UCC5 in Eth mode, QE9
+			 * and QE12 for QE MII management singals in PMUXCR
+			 * register.
+			 */
+				setbits32(pmuxcr, MPC85xx_PMUXCR_QE0 |
+						  MPC85xx_PMUXCR_QE3 |
+						  MPC85xx_PMUXCR_QE9 |
+						  MPC85xx_PMUXCR_QE12);
+
+			of_node_put(np);
+		}
+
+	}
 #endif	/* CONFIG_QUICC_ENGINE */
 
 #ifdef CONFIG_SWIOTLB
@@ -330,6 +378,16 @@ static struct of_device_id mpc85xx_ids[] = {
 	{},
 };
 
+static struct of_device_id p1021_ids[] = {
+	{ .type = "soc", },
+	{ .compatible = "soc", },
+	{ .compatible = "simple-bus", },
+	{ .type = "qe", },
+	{ .compatible = "fsl,qe", },
+	{ .compatible = "gianfar", },
+	{},
+};
+
 static int __init mpc85xx_publish_devices(void)
 {
 	if (machine_is(mpc8568_mds))
@@ -342,11 +400,22 @@ static int __init mpc85xx_publish_devices(void)
 
 	return 0;
 }
+
+static int __init p1021_publish_devices(void)
+{
+	/* Publish the QE devices */
+	of_platform_bus_probe(NULL, p1021_ids, NULL);
+
+	return 0;
+}
+
 machine_device_initcall(mpc8568_mds, mpc85xx_publish_devices);
 machine_device_initcall(mpc8569_mds, mpc85xx_publish_devices);
+machine_device_initcall(p1021_mds, p1021_publish_devices);
 
 machine_arch_initcall(mpc8568_mds, swiotlb_setup_bus_notifier);
 machine_arch_initcall(mpc8569_mds, swiotlb_setup_bus_notifier);
+machine_arch_initcall(p1021_mds, swiotlb_setup_bus_notifier);
 
 static void __init mpc85xx_mds_pic_init(void)
 {
@@ -366,7 +435,7 @@ static void __init mpc85xx_mds_pic_init(void)
 
 	mpic = mpic_alloc(np, r.start,
 			MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
-			MPIC_BROKEN_FRR_NIRQS,
+			MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU,
 			0, 256, " OpenPIC  ");
 	BUG_ON(mpic == NULL);
 	of_node_put(np);
@@ -380,7 +449,11 @@ static void __init mpc85xx_mds_pic_init(void)
 		if (!np)
 			return;
 	}
-	qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);
+	if (machine_is(p1021_mds))
+		qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
+				qe_ic_cascade_high_mpic);
+	else
+		qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);
 	of_node_put(np);
 #endif				/* CONFIG_QUICC_ENGINE */
 }
@@ -426,3 +499,26 @@ define_machine(mpc8569_mds) {
 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 #endif
 };
+
+static int __init p1021_mds_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	return of_flat_dt_is_compatible(root, "fsl,P1021MDS");
+
+}
+
+define_machine(p1021_mds) {
+	.name		= "P1021 MDS",
+	.probe		= p1021_mds_probe,
+	.setup_arch	= mpc85xx_mds_setup_arch,
+	.init_IRQ	= mpc85xx_mds_pic_init,
+	.get_irq	= mpic_get_irq,
+	.restart	= fsl_rstcr_restart,
+	.calibrate_decr	= generic_calibrate_decr,
+	.progress	= udbg_progress,
+#ifdef CONFIG_PCI
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
+#endif
+};
+

arch/powerpc/sysdev/fsl_msi.c

 /*
- * Copyright (C) 2007-2008 Freescale Semiconductor, Inc. All rights reserved.
+ * Copyright (C) 2007-2010 Freescale Semiconductor, Inc.
  *
  * Author: Tony Li <tony.li@freescale.com>
  *	   Jason Jin <Jason.jin@freescale.com>
@@ -22,14 +22,20 @@
 #include <asm/prom.h>
 #include <asm/hw_irq.h>
 #include <asm/ppc-pci.h>
+#include <asm/mpic.h>
 #include "fsl_msi.h"
 
+LIST_HEAD(msi_head);
+
 struct fsl_msi_feature {
 	u32 fsl_pic_ip;
 	u32 msiir_offset;
 };
 
-static struct fsl_msi *fsl_msi;
+struct fsl_msi_cascade_data {
+	struct fsl_msi *msi_data;
+	int index;
+};
 
 static inline u32 fsl_msi_read(u32 __iomem *base, unsigned int reg)
 {
@@ -54,10 +60,12 @@ static struct irq_chip fsl_msi_chip = {
 static int fsl_msi_host_map(struct irq_host *h, unsigned int virq,
 				irq_hw_number_t hw)
 {
+	struct fsl_msi *msi_data = h->host_data;
 	struct irq_chip *chip = &fsl_msi_chip;
 
 	irq_to_desc(virq)->status |= IRQ_TYPE_EDGE_FALLING;
 
+	set_irq_chip_data(virq, msi_data);
 	set_irq_chip_and_handler(virq, chip, handle_edge_irq);
 
 	return 0;
@@ -96,11 +104,12 @@ static int fsl_msi_check_device(struct pci_dev *pdev, int nvec, int type)
 static void fsl_teardown_msi_irqs(struct pci_dev *pdev)
 {
 	struct msi_desc *entry;
-	struct fsl_msi *msi_data = fsl_msi;
+	struct fsl_msi *msi_data;
 
 	list_for_each_entry(entry, &pdev->msi_list, list) {
 		if (entry->irq == NO_IRQ)
 			continue;
+		msi_data = get_irq_data(entry->irq);
 		set_irq_msi(entry->irq, NULL);
 		msi_bitmap_free_hwirqs(&msi_data->bitmap,
 				       virq_to_hw(entry->irq), 1);
@@ -111,9 +120,10 @@ static void fsl_teardown_msi_irqs(struct pci_dev *pdev)
 }
 
 static void fsl_compose_msi_msg(struct pci_dev *pdev, int hwirq,
-				  struct msi_msg *msg)
+				struct msi_msg *msg,
+				struct fsl_msi *fsl_msi_data)
 {
-	struct fsl_msi *msi_data = fsl_msi;
+	struct fsl_msi *msi_data = fsl_msi_data;
 	struct pci_controller *hose = pci_bus_to_host(pdev->bus);
 	u32 base = 0;
 
@@ -130,14 +140,19 @@ static void fsl_compose_msi_msg(struct pci_dev *pdev, int hwirq,
 
 static int fsl_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
 {
-	int rc, hwirq;
+	int rc, hwirq = -ENOMEM;
 	unsigned int virq;
 	struct msi_desc *entry;
 	struct msi_msg msg;
-	struct fsl_msi *msi_data = fsl_msi;
+	struct fsl_msi *msi_data;
 
 	list_for_each_entry(entry, &pdev->msi_list, list) {
-		hwirq = msi_bitmap_alloc_hwirqs(&msi_data->bitmap, 1);
+		list_for_each_entry(msi_data, &msi_head, list) {
+			hwirq = msi_bitmap_alloc_hwirqs(&msi_data->bitmap, 1);
+			if (hwirq >= 0)
+				break;
+		}
+
 		if (hwirq < 0) {
 			rc = hwirq;
 			pr_debug("%s: fail allocating msi interrupt\n",
@@ -154,25 +169,31 @@ static int fsl_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
 			rc = -ENOSPC;
 			goto out_free;
 		}
+		set_irq_data(virq, msi_data);
 		set_irq_msi(virq, entry);
 
-		fsl_compose_msi_msg(pdev, hwirq, &msg);
+		fsl_compose_msi_msg(pdev, hwirq, &msg, msi_data);
 		write_msi_msg(virq, &msg);
 	}
 	return 0;
 
 out_free:
+	/* free by the caller of this function */
 	return rc;
 }
 
 static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
 {
 	unsigned int cascade_irq;
-	struct fsl_msi *msi_data = fsl_msi;
+	struct fsl_msi *msi_data;
 	int msir_index = -1;
 	u32 msir_value = 0;
 	u32 intr_index;
 	u32 have_shift = 0;
+	struct fsl_msi_cascade_data *cascade_data;
+
+	cascade_data = (struct fsl_msi_cascade_data *)get_irq_data(irq);
+	msi_data = cascade_data->msi_data;
 
 	raw_spin_lock(&desc->lock);
 	if ((msi_data->feature &  FSL_PIC_IP_MASK) == FSL_PIC_IP_IPIC) {
@@ -187,13 +208,13 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
 	if (unlikely(desc->status & IRQ_INPROGRESS))
 		goto unlock;
 
-	msir_index = (int)desc->handler_data;
+	msir_index = cascade_data->index;
 
 	if (msir_index >= NR_MSI_REG)
 		cascade_irq = NO_IRQ;
 
 	desc->status |= IRQ_INPROGRESS;
-	switch (fsl_msi->feature & FSL_PIC_IP_MASK) {
+	switch (msi_data->feature & FSL_PIC_IP_MASK) {
 	case FSL_PIC_IP_MPIC:
 		msir_value = fsl_msi_read(msi_data->msi_regs,
 			msir_index * 0x10);
@@ -229,6 +250,30 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
 	raw_spin_unlock(&desc->lock);
 }
 
+static int fsl_of_msi_remove(struct of_device *ofdev)
+{
+	struct fsl_msi *msi = ofdev->dev.platform_data;
+	int virq, i;
+	struct fsl_msi_cascade_data *cascade_data;
+
+	if (msi->list.prev != NULL)
+		list_del(&msi->list);
+	for (i = 0; i < NR_MSI_REG; i++) {
+		virq = msi->msi_virqs[i];
+		if (virq != NO_IRQ) {
+			cascade_data = get_irq_data(virq);
+			kfree(cascade_data);
+			irq_dispose_mapping(virq);
+		}
+	}
+	if (msi->bitmap.bitmap)
+		msi_bitmap_free(&msi->bitmap);
+	iounmap(msi->msi_regs);
+	kfree(msi);
+
+	return 0;
+}
+
 static int __devinit fsl_of_msi_probe(struct of_device *dev,
 				const struct of_device_id *match)
 {
@@ -239,15 +284,18 @@ static int __devinit fsl_of_msi_probe(struct of_device *dev,
 	int virt_msir;
 	const u32 *p;
 	struct fsl_msi_feature *features = match->data;
+	struct fsl_msi_cascade_data *cascade_data = NULL;
+	int len;
+	u32 offset;
 
 	printk(KERN_DEBUG "Setting up Freescale MSI support\n");
 
 	msi = kzalloc(sizeof(struct fsl_msi), GFP_KERNEL);
 	if (!msi) {
 		dev_err(&dev->dev, "No memory for MSI structure\n");
-		err = -ENOMEM;
-		goto error_out;
+		return -ENOMEM;
 	}
+	dev->dev.platform_data = msi;
 
 	msi->irqhost = irq_alloc_host(dev->dev.of_node, IRQ_HOST_MAP_LINEAR,
 				      NR_MSI_IRQS, &fsl_msi_host_ops, 0);
@@ -298,27 +346,47 @@ static int __devinit fsl_of_msi_probe(struct of_device *dev,
 		err = -EINVAL;
 		goto error_out;
 	}
+	offset = 0;
+	p = of_get_property(dev->node, "msi-available-ranges", &len);
+	if (p)
+		offset = *p / IRQS_PER_MSI_REG;
 
 	count /= sizeof(u32);
-	for (i = 0; i < count / 2; i++) {
-		if (i > NR_MSI_REG)
-			break;
+	for (i = 0; i < min(count / 2, NR_MSI_REG); i++) {
 		virt_msir = irq_of_parse_and_map(dev->dev.of_node, i);
 		if (virt_msir != NO_IRQ) {
-			set_irq_data(virt_msir, (void *)i);
+			cascade_data = kzalloc(
+					sizeof(struct fsl_msi_cascade_data),
+					GFP_KERNEL);
+			if (!cascade_data) {
+				dev_err(&dev->dev,
+					"No memory for MSI cascade data\n");
+				err = -ENOMEM;
+				goto error_out;
+			}
+			msi->msi_virqs[i] = virt_msir;
+			cascade_data->index = i + offset;
+			cascade_data->msi_data = msi;
+			set_irq_data(virt_msir, (void *)cascade_data);
 			set_irq_chained_handler(virt_msir, fsl_msi_cascade);
 		}
 	}
 
-	fsl_msi = msi;
+	list_add_tail(&msi->list, &msi_head);
 
-	WARN_ON(ppc_md.setup_msi_irqs);
-	ppc_md.setup_msi_irqs = fsl_setup_msi_irqs;
-	ppc_md.teardown_msi_irqs = fsl_teardown_msi_irqs;
-	ppc_md.msi_check_device = fsl_msi_check_device;
+	/* The multiple setting ppc_md.setup_msi_irqs will not harm things */
+	if (!ppc_md.setup_msi_irqs) {
+		ppc_md.setup_msi_irqs = fsl_setup_msi_irqs;
+		ppc_md.teardown_msi_irqs = fsl_teardown_msi_irqs;
+		ppc_md.msi_check_device = fsl_msi_check_device;
+	} else if (ppc_md.setup_msi_irqs != fsl_setup_msi_irqs) {
+		dev_err(&dev->dev, "Different MSI driver already installed!\n");
+		err = -ENODEV;
+		goto error_out;
+	}
 	return 0;
 error_out:
-	kfree(msi);
+	fsl_of_msi_remove(dev);
 	return err;
 }
 
@@ -351,6 +419,7 @@ static struct of_platform_driver fsl_of_msi_driver = {
 		.of_match_table = fsl_of_msi_ids,
 	},
 	.probe = fsl_of_msi_probe,
+	.remove = fsl_of_msi_remove,
 };
 
 static __init int fsl_of_msi_init(void)

arch/powerpc/sysdev/fsl_msi.h

@@ -32,8 +32,11 @@ struct fsl_msi {
 	u32 msi_addr_hi;
 	void __iomem *msi_regs;
 	u32 feature;
+	int msi_virqs[NR_MSI_REG];
 
 	struct msi_bitmap bitmap;
+
+	struct list_head list;          /* support multiple MSI banks */
 };
 
 #endif /* _POWERPC_SYSDEV_FSL_MSI_H */

arch/powerpc/sysdev/ppc4xx_pci.c

@@ -974,6 +974,123 @@ static struct ppc4xx_pciex_hwops ppc460ex_pcie_hwops __initdata =
 	.setup_utl	= ppc460ex_pciex_init_utl,
 };
 
+static int __init ppc460sx_pciex_core_init(struct device_node *np)
+{
+	/* HSS drive amplitude */
+	mtdcri(SDR0, PESDR0_460SX_HSSL0DAMP, 0xB9843211);
+	mtdcri(SDR0, PESDR0_460SX_HSSL1DAMP, 0xB9843211);
+	mtdcri(SDR0, PESDR0_460SX_HSSL2DAMP, 0xB9843211);
+	mtdcri(SDR0, PESDR0_460SX_HSSL3DAMP, 0xB9843211);
+	mtdcri(SDR0, PESDR0_460SX_HSSL4DAMP, 0xB9843211);
+	mtdcri(SDR0, PESDR0_460SX_HSSL5DAMP, 0xB9843211);
+	mtdcri(SDR0, PESDR0_460SX_HSSL6DAMP, 0xB9843211);
+	mtdcri(SDR0, PESDR0_460SX_HSSL7DAMP, 0xB9843211);
+
+	mtdcri(SDR0, PESDR1_460SX_HSSL0DAMP, 0xB9843211);
+	mtdcri(SDR0, PESDR1_460SX_HSSL1DAMP, 0xB9843211);
+	mtdcri(SDR0, PESDR1_460SX_HSSL2DAMP, 0xB9843211);
+	mtdcri(SDR0, PESDR1_460SX_HSSL3DAMP, 0xB9843211);
+
+	mtdcri(SDR0, PESDR2_460SX_HSSL0DAMP, 0xB9843211);
+	mtdcri(SDR0, PESDR2_460SX_HSSL1DAMP, 0xB9843211);
+	mtdcri(SDR0, PESDR2_460SX_HSSL2DAMP, 0xB9843211);
+	mtdcri(SDR0, PESDR2_460SX_HSSL3DAMP, 0xB9843211);
+
+	/* HSS TX pre-emphasis */
+	mtdcri(SDR0, PESDR0_460SX_HSSL0COEFA, 0xDCB98987);
+	mtdcri(SDR0, PESDR0_460SX_HSSL1COEFA, 0xDCB98987);
+	mtdcri(SDR0, PESDR0_460SX_HSSL2COEFA, 0xDCB98987);
+	mtdcri(SDR0, PESDR0_460SX_HSSL3COEFA, 0xDCB98987);
+	mtdcri(SDR0, PESDR0_460SX_HSSL4COEFA, 0xDCB98987);
+	mtdcri(SDR0, PESDR0_460SX_HSSL5COEFA, 0xDCB98987);
+	mtdcri(SDR0, PESDR0_460SX_HSSL6COEFA, 0xDCB98987);
+	mtdcri(SDR0, PESDR0_460SX_HSSL7COEFA, 0xDCB98987);
+
+	mtdcri(SDR0, PESDR1_460SX_HSSL0COEFA, 0xDCB98987);
+	mtdcri(SDR0, PESDR1_460SX_HSSL1COEFA, 0xDCB98987);
+	mtdcri(SDR0, PESDR1_460SX_HSSL2COEFA, 0xDCB98987);
+	mtdcri(SDR0, PESDR1_460SX_HSSL3COEFA, 0xDCB98987);
+
+	mtdcri(SDR0, PESDR2_460SX_HSSL0COEFA, 0xDCB98987);
+	mtdcri(SDR0, PESDR2_460SX_HSSL1COEFA, 0xDCB98987);
+	mtdcri(SDR0, PESDR2_460SX_HSSL2COEFA, 0xDCB98987);
+	mtdcri(SDR0, PESDR2_460SX_HSSL3COEFA, 0xDCB98987);
+
+	/* HSS TX calibration control */
+	mtdcri(SDR0, PESDR0_460SX_HSSL1CALDRV, 0x22222222);
+	mtdcri(SDR0, PESDR1_460SX_HSSL1CALDRV, 0x22220000);
+	mtdcri(SDR0, PESDR2_460SX_HSSL1CALDRV, 0x22220000);
+
+	/* HSS TX slew control */
+	mtdcri(SDR0, PESDR0_460SX_HSSSLEW, 0xFFFFFFFF);
+	mtdcri(SDR0, PESDR1_460SX_HSSSLEW, 0xFFFF0000);
+	mtdcri(SDR0, PESDR2_460SX_HSSSLEW, 0xFFFF0000);
+
+	udelay(100);
+
+	/* De-assert PLLRESET */
+	dcri_clrset(SDR0, PESDR0_PLLLCT2, 0x00000100, 0);
+
+	/* Reset DL, UTL, GPL before configuration */
+	mtdcri(SDR0, PESDR0_460SX_RCSSET,
+			PESDRx_RCSSET_RSTDL | PESDRx_RCSSET_RSTGU);
+	mtdcri(SDR0, PESDR1_460SX_RCSSET,
+			PESDRx_RCSSET_RSTDL | PESDRx_RCSSET_RSTGU);
+	mtdcri(SDR0, PESDR2_460SX_RCSSET,
+			PESDRx_RCSSET_RSTDL | PESDRx_RCSSET_RSTGU);
+
+	udelay(100);
+
+	/*
+	 * If bifurcation is not enabled, u-boot would have disabled the
+	 * third PCIe port
+	 */
+	if (((mfdcri(SDR0, PESDR1_460SX_HSSCTLSET) & 0x00000001) ==
+				0x00000001)) {
+		printk(KERN_INFO "PCI: PCIE bifurcation setup successfully.\n");
+		printk(KERN_INFO "PCI: Total 3 PCIE ports are present\n");
+		return 3;
+	}
+
+	printk(KERN_INFO "PCI: Total 2 PCIE ports are present\n");
+	return 2;
+}
+
+static int ppc460sx_pciex_init_port_hw(struct ppc4xx_pciex_port *port)
+{
+
+	if (port->endpoint)
+		dcri_clrset(SDR0, port->sdr_base + PESDRn_UTLSET2,
+				0x01000000, 0);
+	else
+		dcri_clrset(SDR0, port->sdr_base + PESDRn_UTLSET2,
+				0, 0x01000000);
+
+	/*Gen-1*/
+	mtdcri(SDR0, port->sdr_base + PESDRn_460SX_RCEI, 0x08000000);
+
+	dcri_clrset(SDR0, port->sdr_base + PESDRn_RCSSET,
+			(PESDRx_RCSSET_RSTGU | PESDRx_RCSSET_RSTDL),
+			PESDRx_RCSSET_RSTPYN);
+
+	port->has_ibpre = 1;
+
+	return 0;
+}
+
+static int ppc460sx_pciex_init_utl(struct ppc4xx_pciex_port *port)
+{
+	/* Max 128 Bytes */
+	out_be32 (port->utl_base + PEUTL_PBBSZ,   0x00000000);
+	return 0;
+}
+
+static struct ppc4xx_pciex_hwops ppc460sx_pcie_hwops __initdata = {
+	.core_init	= ppc460sx_pciex_core_init,
+	.port_init_hw	= ppc460sx_pciex_init_port_hw,
+	.setup_utl	= ppc460sx_pciex_init_utl,
+};
+
 #endif /* CONFIG_44x */
 
 #ifdef CONFIG_40x
@@ -1089,6 +1206,8 @@ static int __init ppc4xx_pciex_check_core_init(struct device_node *np)
 	}
 	if (of_device_is_compatible(np, "ibm,plb-pciex-460ex"))
 		ppc4xx_pciex_hwops = &ppc460ex_pcie_hwops;
+	if (of_device_is_compatible(np, "ibm,plb-pciex-460sx"))
+		ppc4xx_pciex_hwops = &ppc460sx_pcie_hwops;
 #endif /* CONFIG_44x    */
 #ifdef CONFIG_40x
 	if (of_device_is_compatible(np, "ibm,plb-pciex-405ex"))

arch/powerpc/sysdev/ppc4xx_pci.h

@@ -323,6 +323,64 @@
 #define PESDR0_460EX_IHS1		0x036C
 #define PESDR0_460EX_IHS2		0x036D
 
+/*
+ * 460SX addtional DCRs
+ */
+#define PESDRn_460SX_RCEI		0x02
+
+#define PESDR0_460SX_HSSL0DAMP		0x320
+#define PESDR0_460SX_HSSL1DAMP		0x321
+#define PESDR0_460SX_HSSL2DAMP		0x322
+#define PESDR0_460SX_HSSL3DAMP		0x323
+#define PESDR0_460SX_HSSL4DAMP		0x324
+#define PESDR0_460SX_HSSL5DAMP		0x325
+#define PESDR0_460SX_HSSL6DAMP		0x326
+#define PESDR0_460SX_HSSL7DAMP		0x327
+
+#define PESDR1_460SX_HSSL0DAMP		0x354
+#define PESDR1_460SX_HSSL1DAMP		0x355
+#define PESDR1_460SX_HSSL2DAMP		0x356
+#define PESDR1_460SX_HSSL3DAMP		0x357
+
+#define PESDR2_460SX_HSSL0DAMP		0x384
+#define PESDR2_460SX_HSSL1DAMP		0x385
+#define PESDR2_460SX_HSSL2DAMP		0x386
+#define PESDR2_460SX_HSSL3DAMP		0x387
+
+#define PESDR0_460SX_HSSL0COEFA		0x328
+#define PESDR0_460SX_HSSL1COEFA		0x329
+#define PESDR0_460SX_HSSL2COEFA		0x32A
+#define PESDR0_460SX_HSSL3COEFA		0x32B
+#define PESDR0_460SX_HSSL4COEFA		0x32C
+#define PESDR0_460SX_HSSL5COEFA		0x32D
+#define PESDR0_460SX_HSSL6COEFA		0x32E
+#define PESDR0_460SX_HSSL7COEFA		0x32F
+
+#define PESDR1_460SX_HSSL0COEFA		0x358
+#define PESDR1_460SX_HSSL1COEFA		0x359
+#define PESDR1_460SX_HSSL2COEFA		0x35A
+#define PESDR1_460SX_HSSL3COEFA		0x35B
+
+#define PESDR2_460SX_HSSL0COEFA		0x388
+#define PESDR2_460SX_HSSL1COEFA		0x389
+#define PESDR2_460SX_HSSL2COEFA		0x38A
+#define PESDR2_460SX_HSSL3COEFA		0x38B
+
+#define PESDR0_460SX_HSSL1CALDRV	0x339
+#define PESDR1_460SX_HSSL1CALDRV	0x361
+#define PESDR2_460SX_HSSL1CALDRV	0x391
+
+#define PESDR0_460SX_HSSSLEW		0x338
+#define PESDR1_460SX_HSSSLEW		0x360
+#define PESDR2_460SX_HSSSLEW		0x390
+
+#define PESDR0_460SX_HSSCTLSET		0x31E
+#define PESDR1_460SX_HSSCTLSET		0x352
+#define PESDR2_460SX_HSSCTLSET		0x382
+
+#define PESDR0_460SX_RCSSET		0x304
+#define PESDR1_460SX_RCSSET		0x344
+#define PESDR2_460SX_RCSSET		0x374
 /*
  * Of the above, some are common offsets from the base
  */