Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze

* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: (24 commits)
  microblaze: Disable heartbeat/enable emaclite in defconfigs
  microblaze: Support simpleImage.dts make target
  microblaze: Fix _start symbol to physical address
  microblaze: Use LOAD_OFFSET macro to get correct LMA for all sections
  microblaze: Create the LOAD_OFFSET macro used to compute VMA vs LMA offsets
  microblaze: Copy ppc asm-compat.h for clean handling of constants in asm and C
  microblaze: Actually show KiB rather than pages in "Freeing initrd memory:"
  microblaze: Support ptrace syscall tracing.
  microblaze: Updated CPU version and FPGA family codes in PVR
  microblaze: Generate correct signal and siginfo for integer div-by-zero
  microblaze: Don't be noisy when userspace causes hardware exceptions
  microblaze: Remove ipc.h file which points to non-existing asm-generic file
  microblaze: Clear sticky FSR register after generating exception signals
  microblaze: Ensure CPU usermode is set on new userspace processes
  microblaze: Use correct kbuild variable KBUILD_CFLAGS
  microblaze: Save and restore msr in hw exception
  microblaze: Add architectural support for USB EHCI host controllers
  microblaze: Implement include/asm/syscall.h.
  microblaze: Improve checking mechanism for MSR instruction
  microblaze: Add checking mechanism for MSR instruction
  ...

arch/microblaze/Kconfig

@@ -6,6 +6,7 @@ mainmenu "Linux/Microblaze Kernel Configuration"
 config MICROBLAZE
 	def_bool y
 	select HAVE_LMB
+	select USB_ARCH_HAS_EHCI
 	select ARCH_WANT_OPTIONAL_GPIOLIB
 
 config SWAP

arch/microblaze/Makefile

@@ -37,12 +37,12 @@ CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare
 CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))
 
 # r31 holds current when in kernel mode
-KBUILD_KERNEL += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2)
+KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2)
 
 LDFLAGS		:=
 LDFLAGS_vmlinux	:=
 
-LIBGCC := $(shell $(CC) $(KBUILD_KERNEL) -print-libgcc-file-name)
+LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
 
 head-y := arch/microblaze/kernel/head.o
 libs-y += arch/microblaze/lib/
@@ -53,22 +53,41 @@ core-y += arch/microblaze/platform/
 
 boot := arch/microblaze/boot
 
+# Are we making a simpleImage.<boardname> target? If so, crack out the boardname
+DTB:=$(subst simpleImage.,,$(filter simpleImage.%, $(MAKECMDGOALS)))
+
+ifneq ($(DTB),)
+	core-y	+= $(boot)/
+endif
+
 # defines filename extension depending memory management type
 ifeq ($(CONFIG_MMU),)
 MMU := -nommu
 endif
 
-export MMU
+export MMU DTB
 
 all: linux.bin
 
+BOOT_TARGETS = linux.bin linux.bin.gz simpleImage.%
+
 archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)
 
-linux.bin linux.bin.gz: vmlinux
+$(BOOT_TARGETS): vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 
 define archhelp
-  echo  '* linux.bin    - Create raw binary'
-  echo  '  linux.bin.gz - Create compressed raw binary'
+  echo '* linux.bin    - Create raw binary'
+  echo '  linux.bin.gz - Create compressed raw binary'
+  echo '  simpleImage.<dt> - ELF image with $(arch)/boot/dts/<dt>.dts linked in'
+  echo '                   - stripped elf with fdt blob
+  echo '  simpleImage.<dt>.unstrip - full ELF image with fdt blob'
+  echo '  *_defconfig      - Select default config from arch/microblaze/configs'
+  echo ''
+  echo '  Targets with <dt> embed a device tree blob inside the image'
+  echo '  These targets support board with firmware that does not'
+  echo '  support passing a device tree directly. Replace <dt> with the'
+  echo '  name of a dts file from the arch/microblaze/boot/dts/ directory'
+  echo '  (minus the .dts extension).'
 endef

arch/microblaze/boot/Makefile

@@ -2,10 +2,24 @@
 # arch/microblaze/boot/Makefile
 #
 
-targets := linux.bin linux.bin.gz
+obj-y += linked_dtb.o
+
+targets := linux.bin linux.bin.gz simpleImage.%
 
 OBJCOPYFLAGS_linux.bin  := -O binary
 
+# Where the DTS files live
+dtstree         := $(srctree)/$(src)/dts
+
+# Ensure system.dtb exists
+$(obj)/linked_dtb.o: $(obj)/system.dtb
+
+# Generate system.dtb from $(DTB).dtb
+ifneq ($(DTB),system)
+$(obj)/system.dtb: $(obj)/$(DTB).dtb
+	$(call if_changed,cp)
+endif
+
 $(obj)/linux.bin: vmlinux FORCE
 	[ -n $(CONFIG_INITRAMFS_SOURCE) ] && [ ! -e $(CONFIG_INITRAMFS_SOURCE) ] && \
 	touch $(CONFIG_INITRAMFS_SOURCE) || echo "No CPIO image"
@@ -16,4 +30,27 @@ $(obj)/linux.bin.gz: $(obj)/linux.bin FORCE
 	$(call if_changed,gzip)
 	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
 
-clean-kernel += linux.bin linux.bin.gz
+quiet_cmd_cp = CP      $< $@$2
+	cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)
+
+quiet_cmd_strip = STRIP   $@
+      cmd_strip = $(STRIP) -K _start -K _end -K __log_buf -K _fdt_start vmlinux -o $@
+
+$(obj)/simpleImage.%: vmlinux FORCE
+	$(call if_changed,cp,.unstrip)
+	$(call if_changed,strip)
+	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
+
+# Rule to build device tree blobs
+DTC = $(objtree)/scripts/dtc/dtc
+
+# Rule to build device tree blobs
+quiet_cmd_dtc = DTC     $@
+	cmd_dtc = $(DTC) -O dtb -o $(obj)/$*.dtb -b 0 -p 1024 $(dtstree)/$*.dts
+
+$(obj)/%.dtb: $(dtstree)/%.dts FORCE
+	$(call if_changed,dtc)
+
+clean-kernel += linux.bin linux.bin.gz simpleImage.*
+
+clean-files += *.dtb

arch/microblaze/boot/dts/system.dts

@@ -0,0 +1 @@
+../../platform/generic/system.dts

arch/microblaze/boot/linked_dtb.S

@@ -0,0 +1,3 @@
+.section __fdt_blob,"a"
+.incbin "arch/microblaze/boot/system.dtb"
+

arch/microblaze/configs/mmu_defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.31-rc6
-# Tue Aug 18 11:00:02 2009
+# Linux kernel version: 2.6.31
+# Thu Sep 24 10:28:50 2009
 #
 CONFIG_MICROBLAZE=y
 # CONFIG_SWAP is not set
@@ -42,11 +42,12 @@ CONFIG_SYSVIPC_SYSCTL=y
 #
 # RCU Subsystem
 #
-CONFIG_CLASSIC_RCU=y
-# CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
 # CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=17
@@ -260,6 +261,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
@@ -357,12 +359,10 @@ CONFIG_NET_ETHERNET=y
 # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
 # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_KS8842 is not set
+CONFIG_XILINX_EMACLITE=y
 CONFIG_NETDEV_1000=y
 CONFIG_NETDEV_10000=y
-
-#
-# Wireless LAN
-#
+CONFIG_WLAN=y
 # CONFIG_WLAN_PRE80211 is not set
 # CONFIG_WLAN_80211 is not set
 
@@ -460,6 +460,7 @@ CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
 # CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_SOUND is not set
 # CONFIG_USB_SUPPORT is not set
+CONFIG_USB_ARCH_HAS_EHCI=y
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
@@ -488,6 +489,7 @@ CONFIG_EXT2_FS=y
 # CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
 CONFIG_FILE_LOCKING=y
 CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
@@ -546,7 +548,6 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-# CONFIG_NILFS2_FS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
@@ -671,18 +672,20 @@ CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 # CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
 # CONFIG_SYSCTL_SYSCALL_CHECK is not set
 # CONFIG_PAGE_POISONING is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_KMEMCHECK is not set
 CONFIG_EARLY_PRINTK=y
-CONFIG_HEART_BEAT=y
+# CONFIG_HEART_BEAT is not set
 CONFIG_DEBUG_BOOTMEM=y
 
 #
@@ -697,7 +700,6 @@ CONFIG_CRYPTO=y
 #
 # Crypto core or helper
 #
-# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_MANAGER2 is not set
 # CONFIG_CRYPTO_GF128MUL is not set
@@ -729,11 +731,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
 # CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
 # CONFIG_CRYPTO_MICHAEL_MIC is not set

arch/microblaze/configs/nommu_defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.31-rc6
-# Tue Aug 18 10:35:30 2009
+# Linux kernel version: 2.6.31
+# Thu Sep 24 10:29:43 2009
 #
 CONFIG_MICROBLAZE=y
 # CONFIG_SWAP is not set
@@ -44,11 +44,12 @@ CONFIG_BSD_PROCESS_ACCT_V3=y
 #
 # RCU Subsystem
 #
-CONFIG_CLASSIC_RCU=y
-# CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
 # CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=17
@@ -243,6 +244,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
@@ -272,14 +274,14 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_AF_RXRPC is not set
 CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
+CONFIG_CFG80211_DEFAULT_PS_VALUE=0
 CONFIG_WIRELESS_OLD_REGULATORY=y
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_LIB80211 is not set
 
 #
 # CFG80211 needs to be enabled for MAC80211
 #
-CONFIG_MAC80211_DEFAULT_PS_VALUE=0
 # CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
@@ -304,6 +306,7 @@ CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_REDBOOT_PARTS is not set
 CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_OF_PARTS is not set
 # CONFIG_MTD_AR7_PARTS is not set
 
 #
@@ -349,6 +352,7 @@ CONFIG_MTD_RAM=y
 #
 # CONFIG_MTD_COMPLEX_MAPPINGS is not set
 # CONFIG_MTD_PHYSMAP is not set
+# CONFIG_MTD_PHYSMAP_OF is not set
 CONFIG_MTD_UCLINUX=y
 # CONFIG_MTD_PLATRAM is not set
 
@@ -429,12 +433,10 @@ CONFIG_NET_ETHERNET=y
 # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
 # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_KS8842 is not set
+# CONFIG_XILINX_EMACLITE is not set
 CONFIG_NETDEV_1000=y
 CONFIG_NETDEV_10000=y
-
-#
-# Wireless LAN
-#
+CONFIG_WLAN=y
 # CONFIG_WLAN_PRE80211 is not set
 # CONFIG_WLAN_80211 is not set
 
@@ -535,7 +537,7 @@ CONFIG_VIDEO_OUTPUT_CONTROL=y
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
-# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB_ARCH_HAS_EHCI=y
 # CONFIG_USB is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
@@ -579,6 +581,7 @@ CONFIG_FS_POSIX_ACL=y
 # CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
 CONFIG_FILE_LOCKING=y
 CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
@@ -639,7 +642,6 @@ CONFIG_ROMFS_BACKED_BY_BLOCK=y
 CONFIG_ROMFS_ON_BLOCK=y
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-# CONFIG_NILFS2_FS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
@@ -710,18 +712,20 @@ CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_LIST=y
 CONFIG_DEBUG_SG=y
 # CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
 CONFIG_SYSCTL_SYSCALL_CHECK=y
 # CONFIG_PAGE_POISONING is not set
 # CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_EARLY_PRINTK=y
-CONFIG_HEART_BEAT=y
+# CONFIG_HEART_BEAT is not set
 # CONFIG_DEBUG_BOOTMEM is not set
 
 #
@@ -736,7 +740,6 @@ CONFIG_CRYPTO=y
 #
 # Crypto core or helper
 #
-# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_MANAGER2 is not set
 # CONFIG_CRYPTO_GF128MUL is not set
@@ -768,11 +771,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
 # CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
 # CONFIG_CRYPTO_MICHAEL_MIC is not set