diff options
112 files changed, 12548 insertions, 2273 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 53c1e1d45c6..c078849df7f 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -23,12 +23,15 @@ config RWSEM_XCHGADD_ALGORITHM config BLACKFIN def_bool y + select HAVE_ARCH_KGDB + select HAVE_ARCH_TRACEHOOK select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_TRACER + select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_IDE - select HAVE_KERNEL_GZIP - select HAVE_KERNEL_BZIP2 - select HAVE_KERNEL_LZMA + select HAVE_KERNEL_GZIP if RAMKERNEL + select HAVE_KERNEL_BZIP2 if RAMKERNEL + select HAVE_KERNEL_LZMA if RAMKERNEL select HAVE_OPROFILE select ARCH_WANT_OPTIONAL_GPIOLIB @@ -45,9 +48,6 @@ config ZONE_DMA config GENERIC_FIND_NEXT_BIT def_bool y -config GENERIC_HWEIGHT - def_bool y - config GENERIC_HARDIRQS def_bool y @@ -239,7 +239,7 @@ endchoice config SMP depends on BF561 - select GENERIC_CLOCKEVENTS + select TICKSOURCE_CORETMR bool "Symmetric multi-processing support" ---help--- This enables support for systems with more than one CPU, @@ -253,11 +253,20 @@ config NR_CPUS depends on SMP default 2 if BF561 +config HOTPLUG_CPU + bool "Support for hot-pluggable CPUs" + depends on SMP && HOTPLUG + default y + config IRQ_PER_CPU bool depends on SMP default y +config HAVE_LEGACY_PER_CPU_AREA + def_bool y + depends on SMP + config BF_REV_MIN int default 0 if (BF51x || BF52x || (BF54x && !BF54xM)) @@ -349,7 +358,7 @@ config MEM_MT48LC8M32B2B5_7 config MEM_MT48LC32M16A2TG_75 bool - depends on (BFIN527_EZKIT || BFIN532_IP0X || BLACKSTAMP) + depends on (BFIN527_EZKIT || BFIN527_EZKIT_V2 || BFIN532_IP0X || BLACKSTAMP) default y config MEM_MT48LC32M8A2_75 @@ -401,10 +410,18 @@ config BOOT_LOAD config ROM_BASE hex "Kernel ROM Base" depends on ROMKERNEL - default "0x20040000" + default "0x20040040" range 0x20000000 0x20400000 if !(BF54x || BF561) range 0x20000000 0x30000000 if (BF54x || BF561) help + Make sure your ROM base does not include any file-header + information that is prepended to the kernel. + + For example, the bootable U-Boot format (created with + mkimage) has a 64 byte header (0x40). So while the image + you write to flash might start at say 0x20080000, you have + to add 0x40 to get the kernel's ROM base as it will come + after the header. comment "Clock/PLL Setup" @@ -448,7 +465,7 @@ config VCO_MULT range 1 64 default "22" if BFIN533_EZKIT default "45" if BFIN533_STAMP - default "20" if (BFIN537_STAMP || BFIN527_EZKIT || BFIN548_EZKIT || BFIN548_BLUETECHNIX_CM || BFIN538_EZKIT) + default "20" if (BFIN537_STAMP || BFIN527_EZKIT || BFIN527_EZKIT_V2 || BFIN548_EZKIT || BFIN548_BLUETECHNIX_CM || BFIN538_EZKIT) default "22" if BFIN533_BLUETECHNIX_CM default "20" if (BFIN537_BLUETECHNIX_CM_E || BFIN537_BLUETECHNIX_CM_U || BFIN527_BLUETECHNIX_CM || BFIN561_BLUETECHNIX_CM) default "20" if BFIN561_EZKIT @@ -609,23 +626,23 @@ config GENERIC_CLOCKEVENTS bool "Generic clock events" default y -choice - prompt "Kernel Tick Source" +menu "Clock event device" depends on GENERIC_CLOCKEVENTS - default TICKSOURCE_CORETMR - config TICKSOURCE_GPTMR0 - bool "Gptimer0 (SCLK domain)" + bool "GPTimer0" + depends on !SMP select BFIN_GPTIMERS config TICKSOURCE_CORETMR - bool "Core timer (CCLK domain)" - -endchoice + bool "Core timer" + default y +endmenu -config CYCLES_CLOCKSOURCE - bool "Use 'CYCLES' as a clocksource" +menu "Clock souce" depends on GENERIC_CLOCKEVENTS +config CYCLES_CLOCKSOURCE + bool "CYCLES" + default y depends on !BFIN_SCRATCH_REG_CYCLES depends on !SMP help @@ -636,10 +653,10 @@ config CYCLES_CLOCKSOURCE writing the registers will most likely crash the kernel. config GPTMR0_CLOCKSOURCE - bool "Use GPTimer0 as a clocksource" + bool "GPTimer0" select BFIN_GPTIMERS - depends on GENERIC_CLOCKEVENTS depends on !TICKSOURCE_GPTMR0 +endmenu config ARCH_USES_GETTIMEOFFSET depends on !GENERIC_CLOCKEVENTS @@ -1116,24 +1133,6 @@ config PCI source "drivers/pci/Kconfig" -config HOTPLUG - bool "Support for hot-pluggable device" - help - Say Y here if you want to plug devices into your computer while - the system is running, and be able to use them quickly. In many - cases, the devices can likewise be unplugged at any time too. - - One well known example of this is PCMCIA- or PC-cards, credit-card - size devices such as network cards, modems or hard drives which are - plugged into slots found on all modern laptop computers. Another - example, used on modern desktops as well as laptops, is USB. - - Enable HOTPLUG and build a modular kernel. Get agent software - (from <http://linux-hotplug.sourceforge.net/>) and install it. - Then your kernel will automatically call out to a user mode "policy - agent" (/sbin/hotplug) to load modules and set up software needed - to use devices as you hotplug them. - source "drivers/pcmcia/Kconfig" source "drivers/pci/hotplug/Kconfig" @@ -1147,7 +1146,6 @@ source "fs/Kconfig.binfmt" endmenu menu "Power management options" - depends on !SMP source "kernel/power/Kconfig" @@ -1240,7 +1238,6 @@ config PM_BFIN_WAKE_GP endmenu menu "CPU Frequency scaling" - depends on !SMP source "drivers/cpufreq/Kconfig" diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug index 87f195ee2e0..aec89a5280b 100644 --- a/arch/blackfin/Kconfig.debug +++ b/arch/blackfin/Kconfig.debug @@ -18,9 +18,6 @@ config DEBUG_STACK_USAGE This option will slow down process creation somewhat. -config HAVE_ARCH_KGDB - def_bool y - config DEBUG_VERBOSE bool "Verbose fault messages" default y @@ -238,6 +235,15 @@ config EARLY_PRINTK all of this lives in the init section and is thrown away after the kernel boots completely. +config NMI_WATCHDOG + bool "Enable NMI watchdog to help debugging lockup on SMP" + default n + depends on (SMP && !BFIN_SCRATCH_REG_RETN) + help + If any CPU in the system does not execute the period local timer + interrupt for more than 5 seconds, then the NMI handler dumps debug + information. This information can be used to debug the lockup. + config CPLB_INFO bool "Display the CPLB information" help diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile index d4c7177e765..5a97a31d4bb 100644 --- a/arch/blackfin/Makefile +++ b/arch/blackfin/Makefile @@ -14,6 +14,9 @@ OBJCOPYFLAGS := -O binary -R .note -R .comment -S GZFLAGS := -9 KBUILD_CFLAGS += $(call cc-option,-mno-fdpic) +ifeq ($(CONFIG_ROMKERNEL),y) +KBUILD_CFLAGS += -mlong-calls +endif KBUILD_AFLAGS += $(call cc-option,-mno-fdpic) CFLAGS_MODULE += -mlong-calls LDFLAGS_MODULE += -m elf32bfin @@ -130,7 +133,6 @@ KBUILD_CFLAGS += -Iarch/$(ARCH)/mach-$(MACHINE)/include KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs)) CLEAN_FILES += \ - arch/$(ARCH)/include/asm/asm-offsets.h \ arch/$(ARCH)/kernel/asm-offsets.s \ archclean: @@ -138,7 +140,7 @@ archclean: INSTALL_PATH ?= /tftpboot boot := arch/$(ARCH)/boot -BOOT_TARGETS = vmImage vmImage.bin vmImage.bz2 vmImage.gz vmImage.lzma +BOOT_TARGETS = vmImage vmImage.bin vmImage.bz2 |