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

…t/paulus/powerpc

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (49 commits)
  [POWERPC] Add zImage.iseries to arch/powerpc/boot/.gitignore
  [POWERPC] bootwrapper: fix build error on virtex405-head.S
  [POWERPC] 4xx: Fix 460GT support to not enable FPU
  [POWERPC] 4xx: Add NOR FLASH entries to Canyonlands and Glacier dts
  [POWERPC] Xilinx: of_serial support for Xilinx uart 16550.
  [POWERPC] Xilinx: boot support for Xilinx uart 16550.
  [POWERPC] celleb: Add support for PCI Express
  [POWERPC] celleb: Move miscellaneous files for Beat
  [POWERPC] celleb: Move a file for SPU on Beat
  [POWERPC] celleb: Move files for Beat mmu and iommu
  [POWERPC] celleb: Move files for Beat hvcall interfaces
  [POWERPC] celleb: Move the SCC related code for celleb
  [POWERPC] celleb: Move the files for celleb base support
  [POWERPC] celleb: Consolidate io-workarounds code
  [POWERPC] cell: Generalize io-workarounds code
  [POWERPC] Add CONFIG_PPC_PSERIES_DEBUG to enable debugging for platforms/pseries
  [POWERPC] Convert from DBG() to pr_debug() in platforms/pseries/
  [POWERPC] Register udbg console early on pseries LPAR
  [POWERPC] Mark udbg console as CON_ANYTIME, ie. callable early in boot
  [POWERPC] Set udbg_console index to 0
  ...

Documentation/powerpc/booting-without-of.txt

@@ -2601,6 +2601,17 @@ platforms are moved over to use the flattened-device-tree model.
                       differ between different families.  May be
                       'virtex2p', 'virtex4', or 'virtex5'.
 
+      vi) Xilinx Uart 16550
+
+      Xilinx UART 16550 devices are very similar to the NS16550 but with
+      different register spacing and an offset from the base address.
+
+      Requred properties:
+       - clock-frequency : Frequency of the clock input
+       - reg-offset : A value of 3 is required
+       - reg-shift : A value of 2 is required
+
+
     p) Freescale Synchronous Serial Interface
 
        The SSI is a serial device that communicates with audio codecs.  It can

MAINTAINERS

@@ -1106,6 +1106,12 @@ M:	kernel@wantstofly.org
 L:	linux-usb@vger.kernel.org
 S:	Maintained
 
+CIRRUS LOGIC CS4270 SOUND DRIVER
+P:	Timur Tabi
+M:	timur@freescale.com
+L:	alsa-devel@alsa-project.org
+S:	Supported
+
 CIRRUS LOGIC CS4280/CS461x SOUNDDRIVER
 P:	Cirrus Logic Corporation (kernel 2.2 driver)
 M:	Cirrus Logic Corporation, Thomas Woller <twoller@crystal.cirrus.com>
@@ -1628,6 +1634,12 @@ L:	linuxppc-dev@ozlabs.org
 L:	netdev@vger.kernel.org
 S:	Maintained
 
+FREESCALE QUICC ENGINE LIBRARY
+P:	Timur Tabi
+M:	timur@freescale.com
+L:	linuxppc-dev@ozlabs.org
+S:	Supported
+
 FREESCALE HIGHSPEED USB DEVICE DRIVER
 P:	Li Yang
 M:	leoli@freescale.com
@@ -1642,6 +1654,19 @@ L:	netdev@vger.kernel.org
 L:	linuxppc-dev@ozlabs.org
 S:	Maintained
 
+FREESCALE QUICC ENGINE UCC UART DRIVER
+P:	Timur Tabi
+M:	timur@freescale.com
+L:	linuxppc-dev@ozlabs.org
+S:	Supported
+
+FREESCALE SOC SOUND DRIVERS
+P:	Timur Tabi
+M:	timur@freescale.com
+L:	alsa-devel@alsa-project.org
+L:	linuxppc-dev@ozlabs.org
+S:	Supported
+
 FILE LOCKING (flock() and fcntl()/lockf())
 P:	Matthew Wilcox
 M:	matthew@wil.cx

arch/powerpc/Kconfig

@@ -626,20 +626,6 @@ config ADVANCED_OPTIONS
 comment "Default settings for advanced configuration options are used"
 	depends on !ADVANCED_OPTIONS
 
-config HIGHMEM_START_BOOL
-	bool "Set high memory pool address"
-	depends on ADVANCED_OPTIONS && HIGHMEM
-	help
-	  This option allows you to set the base address of the kernel virtual
-	  area used to map high memory pages.  This can be useful in
-	  optimizing the layout of kernel virtual memory.
-
-	  Say N here unless you know what you are doing.
-
-config HIGHMEM_START
-	hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
-	default "0xfe000000"
-
 config LOWMEM_SIZE_BOOL
 	bool "Set maximum low memory"
 	depends on ADVANCED_OPTIONS
@@ -656,21 +642,76 @@ config LOWMEM_SIZE
 	hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
 	default "0x30000000"
 
+config RELOCATABLE
+	bool "Build a relocatable kernel (EXPERIMENTAL)"
+	depends on EXPERIMENTAL && ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE
+	help
+	  This builds a kernel image that is capable of running at the
+	  location the kernel is loaded at (some alignment restrictions may
+	  exist).
+
+	  One use is for the kexec on panic case where the recovery kernel
+	  must live at a different physical address than the primary
+	  kernel.
+
+	  Note: If CONFIG_RELOCATABLE=y, then the kernel runs from the address
+	  it has been loaded at and the compile time physical addresses
+	  CONFIG_PHYSICAL_START is ignored.  However CONFIG_PHYSICAL_START
+	  setting can still be useful to bootwrappers that need to know the
+	  load location of the kernel (eg. u-boot/mkimage).
+
+config PAGE_OFFSET_BOOL
+	bool "Set custom page offset address"
+	depends on ADVANCED_OPTIONS
+	help
+	  This option allows you to set the kernel virtual address at which
+	  the kernel will map low memory.  This can be useful in optimizing
+	  the virtual memory layout of the system.
+
+	  Say N here unless you know what you are doing.
+
+config PAGE_OFFSET
+	hex "Virtual address of memory base" if PAGE_OFFSET_BOOL
+	default "0xc0000000"
+
 config KERNEL_START_BOOL
 	bool "Set custom kernel base address"
 	depends on ADVANCED_OPTIONS
 	help
 	  This option allows you to set the kernel virtual address at which
-	  the kernel will map low memory (the kernel image will be linked at
-	  this address).  This can be useful in optimizing the virtual memory
-	  layout of the system.
+	  the kernel will be loaded.  Normally this should match PAGE_OFFSET
+	  however there are times (like kdump) that one might not want them
+	  to be the same.
 
 	  Say N here unless you know what you are doing.
 
 config KERNEL_START
 	hex "Virtual address of kernel base" if KERNEL_START_BOOL
+	default PAGE_OFFSET if PAGE_OFFSET_BOOL
+	default "0xc2000000" if CRASH_DUMP
 	default "0xc0000000"
 
+config PHYSICAL_START_BOOL
+	bool "Set physical address where the kernel is loaded"
+	depends on ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE
+	help
+	  This gives the physical address where the kernel is loaded.
+
+	  Say N here unless you know what you are doing.
+
+config PHYSICAL_START
+	hex "Physical address where the kernel is loaded" if PHYSICAL_START_BOOL
+	default "0x02000000" if PPC_STD_MMU && CRASH_DUMP
+	default "0x00000000"
+
+config PHYSICAL_ALIGN
+	hex
+	default "0x10000000" if FSL_BOOKE
+	help
+	  This value puts the alignment restrictions on physical address
+	  where kernel is loaded and run from. Kernel is compiled for an
+	  address which meets above alignment restriction.
+
 config TASK_SIZE_BOOL
 	bool "Set custom user task size"
 	depends on ADVANCED_OPTIONS
@@ -717,9 +758,17 @@ config PIN_TLB
 endmenu
 
 if PPC64
+config PAGE_OFFSET
+	hex
+	default "0xc000000000000000"
 config KERNEL_START
 	hex
+	default "0xc000000002000000" if CRASH_DUMP
 	default "0xc000000000000000"
+config PHYSICAL_START
+	hex
+	default "0x02000000" if CRASH_DUMP
+	default "0x00000000"
 endif
 
 source "net/Kconfig"

arch/powerpc/boot/.gitignore

@@ -27,6 +27,7 @@ zImage.chrp
 zImage.coff
 zImage.coff.lds
 zImage.ep*
+zImage.iseries
 zImage.*lds
 zImage.miboot
 zImage.pmac

arch/powerpc/boot/Makefile

@@ -40,7 +40,7 @@ $(obj)/ebony.o: BOOTCFLAGS += -mcpu=405
 $(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=405
 $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405
 $(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
-$(obj)/virtex405-head.o: BOOTCFLAGS += -mcpu=405
+$(obj)/virtex405-head.o: BOOTAFLAGS += -mcpu=405
 
 
 zlib       := inffast.c inflate.c inftrees.c

arch/powerpc/boot/dts/canyonlands.dts

@@ -142,8 +142,45 @@
 				#address-cells = <2>;
 				#size-cells = <1>;
 				clock-frequency = <0>; /* Filled in by U-Boot */
+				/* ranges property is supplied by U-Boot */
 				interrupts = <6 4>;
 				interrupt-parent = <&UIC1>;
+
+				nor_flash@0,0 {
+					compatible = "amd,s29gl512n", "cfi-flash";
+					bank-width = <2>;
+					reg = <0 000000 4000000>;
+					#address-cells = <1>;
+					#size-cells = <1>;
+					partition@0 {
+						label = "kernel";
+						reg = <0 1e0000>;
+					};
+					partition@1e0000 {
+						label = "dtb";
+						reg = <1e0000 20000>;
+					};
+					partition@200000 {
+						label = "ramdisk";
+						reg = <200000 1400000>;
+					};
+					partition@1600000 {
+						label = "jffs2";
+						reg = <1600000 400000>;
+					};
+					partition@1a00000 {
+						label = "user";
+						reg = <1a00000 2560000>;
+					};
+					partition@3f60000 {
+						label = "env";
+						reg = <3f60000 40000>;
+					};
+					partition@3fa0000 {
+						label = "u-boot";
+						reg = <3fa0000 60000>;
+					};
+				};
 			};
 
 			UART0: serial@ef600300 {

arch/powerpc/boot/dts/glacier.dts

@@ -145,8 +145,45 @@
 				#address-cells = <2>;
 				#size-cells = <1>;
 				clock-frequency = <0>; /* Filled in by U-Boot */
+				/* ranges property is supplied by U-Boot */
 				interrupts = <6 4>;
 				interrupt-parent = <&UIC1>;
+
+				nor_flash@0,0 {
+					compatible = "amd,s29gl512n", "cfi-flash";
+					bank-width = <2>;
+					reg = <0 000000 4000000>;
+					#address-cells = <1>;
+					#size-cells = <1>;
+					partition@0 {
+						label = "kernel";
+						reg = <0 1e0000>;
+					};
+					partition@1e0000 {
+						label = "dtb";
+						reg = <1e0000 20000>;
+					};
+					partition@200000 {
+						label = "ramdisk";
+						reg = <200000 1400000>;
+					};
+					partition@1600000 {
+						label = "jffs2";
+						reg = <1600000 400000>;
+					};
+					partition@1a00000 {
+						label = "user";
+						reg = <1a00000 2560000>;
+					};
+					partition@3f60000 {
+						label = "env";
+						reg = <3f60000 40000>;
+					};
+					partition@3fa0000 {
+						label = "u-boot";
+						reg = <3fa0000 60000>;
+					};
+				};
 			};
 
 			UART0: serial@ef600300 {

arch/powerpc/boot/ns16550.c

@@ -55,10 +55,15 @@ static u8 ns16550_tstc(void)
 int ns16550_console_init(void *devp, struct serial_console_data *scdp)
 {
 	int n;
+	u32 reg_offset;
 
 	if (dt_get_virtual_reg(devp, (void **)&reg_base, 1) < 1)
 		return -1;
 
+	n = getprop(devp, "reg-offset", &reg_offset, sizeof(reg_offset));
+	if (n == sizeof(reg_offset))
+		reg_base += reg_offset;
+
 	n = getprop(devp, "reg-shift", &reg_shift, sizeof(reg_shift));
 	if (n != sizeof(reg_shift))
 		reg_shift = 0;

arch/powerpc/kernel/Makefile

@@ -106,4 +106,13 @@ PHONY += systbl_chk
 systbl_chk: $(src)/systbl_chk.sh $(obj)/systbl_chk.i
 	$(call cmd,systbl_chk)
 
+$(obj)/built-in.o:		prom_init_check
+
+quiet_cmd_prom_init_check = CALL    $<
+      cmd_prom_init_check = $(CONFIG_SHELL) $< "$(NM)" "$(obj)/prom_init.o"
+
+PHONY += prom_init_check
+prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o
+	$(call cmd,prom_init_check)
+
 clean-files := vmlinux.lds

arch/powerpc/kernel/asm-offsets.c

@@ -93,10 +93,7 @@ int main(void)
 	DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags));
 	DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
 	DEFINE(TI_TASK, offsetof(struct thread_info, task));
-#ifdef CONFIG_PPC32
-	DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain));
 	DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
-#endif /* CONFIG_PPC32 */
 
 #ifdef CONFIG_PPC64
 	DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size));
@@ -165,13 +162,9 @@ int main(void)
 
 	/* Interrupt register frame */
 	DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
-#ifndef CONFIG_PPC64
-	DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
-#else /* CONFIG_PPC64 */
+	DEFINE(INT_FRAME_SIZE, STACK_INT_FRAME_SIZE);
+#ifdef CONFIG_PPC64
 	DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
-	/* 288 = # of volatile regs, int & fp, for leaf routines */
-	/* which do not stack a frame.  See the PPC64 ABI.       */
-	DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 288);
 	/* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */
 	DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);
 	DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16);

arch/powerpc/kernel/cpu_setup_44x.S

@@ -33,7 +33,6 @@ _GLOBAL(__setup_cpu_440grx)
 	mtlr	r4
 	blr
 _GLOBAL(__setup_cpu_460ex)
-_GLOBAL(__setup_cpu_460gt)
 	b	__init_fpu_44x
 _GLOBAL(__setup_cpu_440gx)
 _GLOBAL(__setup_cpu_440spe)

arch/powerpc/kernel/cpu_setup_6xx.S

@@ -17,7 +17,13 @@
 #include <asm/cache.h>
 
 _GLOBAL(__setup_cpu_603)
-	b	setup_common_caches
+	mflr	r4
+BEGIN_FTR_SECTION
+	bl	__init_fpu_registers
+END_FTR_SECTION_IFCLR(CPU_FTR_FPU_UNAVAILABLE)
+	bl	setup_common_caches
+	mtlr	r4
+	blr
 _GLOBAL(__setup_cpu_604)
 	mflr	r4
 	bl	setup_common_caches

arch/powerpc/kernel/cputable.c

@@ -37,7 +37,6 @@ extern void __setup_cpu_440gx(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_440grx(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_440spe(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec);
-extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec);
 extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec);
@@ -1416,10 +1415,9 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.pvr_value		= 0x13020000,
 		.cpu_name		= "460GT",
 		.cpu_features		= CPU_FTRS_44X,
-		.cpu_user_features	= COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
+		.cpu_user_features	= COMMON_USER_BOOKE,
 		.icache_bsize		= 32,
 		.dcache_bsize		= 32,
-		.cpu_setup		= __setup_cpu_460gt,
 		.machine_check		= machine_check_440A,
 		.platform		= "ppc440",
 	},