From e95bf452a9e22bd1c9ae23fea041989e0603c39d Mon Sep 17 00:00:00 2001 From: Richard Kuo Date: Mon, 31 Oct 2011 18:55:58 -0500 Subject: Hexagon: Add configuration and makefiles for the Hexagon architecture. Signed-off-by: Linas Vepstas Signed-off-by: Richard Kuo Acked-by: Arnd Bergmann Signed-off-by: Linus Torvalds --- arch/hexagon/Kconfig | 220 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 220 insertions(+) create mode 100644 arch/hexagon/Kconfig (limited to 'arch/hexagon/Kconfig') diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig new file mode 100644 index 000000000000..02513c2dd5ec --- /dev/null +++ b/arch/hexagon/Kconfig @@ -0,0 +1,220 @@ +# Hexagon configuration +comment "Linux Kernel Configuration for Hexagon" + +config HEXAGON + def_bool y + select HAVE_OPROFILE + select USE_GENERIC_SMP_HELPERS if SMP + # Other pending projects/to-do items. + # select HAVE_REGS_AND_STACK_ACCESS_API + # select HAVE_HW_BREAKPOINT if PERF_EVENTS + # select ARCH_HAS_CPU_IDLE_WAIT + # select ARCH_WANT_OPTIONAL_GPIOLIB + # select ARCH_REQUIRE_GPIOLIB + # select HAVE_CLK + # select IRQ_PER_CPU + select HAVE_IRQ_WORK + # select GENERIC_PENDING_IRQ if SMP + select GENERIC_ATOMIC64 + select HAVE_PERF_EVENTS + select HAVE_GENERIC_HARDIRQS + select GENERIC_HARDIRQS_NO__DO_IRQ + select GENERIC_HARDIRQS_NO_DEPRECATED + # GENERIC_ALLOCATOR is used by dma_alloc_coherent() + select GENERIC_ALLOCATOR + select GENERIC_IRQ_SHOW + select HAVE_ARCH_KGDB + select HAVE_ARCH_TRACEHOOK + select NO_IOPORT + # mostly generic routines, with some accelerated ones + ---help--- + Qualcomm Hexagon is a processor architecture designed for high + performance and low power across a wide variety of applications. + +config HEXAGON_ARCH_V1 + bool + +config HEXAGON_ARCH_V2 + bool + +config HEXAGON_ARCH_V3 + bool + +config HEXAGON_ARCH_V4 + bool + +config FRAME_POINTER + def_bool y + +config LOCKDEP_SUPPORT + def_bool y + +config PCI + def_bool n + +config EARLY_PRINTK + def_bool y + +config KTIME_SCALAR + def_bool y + +config MMU + def_bool y + +config TRACE_IRQFLAGS_SUPPORT + def_bool y + +config GENERIC_CSUM + def_bool y + +# +# Use the generic interrupt handling code in kernel/irq/: +# +config GENERIC_IRQ_PROBE + def_bool y + +config GENERIC_IOMAP + def_bool y + +#config ZONE_DMA +# bool +# default y + +config HAS_DMA + bool + select HAVE_DMA_ATTRS + default y + +config NEED_SG_DMA_LENGTH + def_bool y + +config RWSEM_GENERIC_SPINLOCK + def_bool n + +config RWSEM_XCHGADD_ALGORITHM + def_bool y + +config GENERIC_FIND_NEXT_BIT + def_bool y + +config GENERIC_HWEIGHT + def_bool y + +config GENERIC_TIME + def_bool y + +config GENERIC_CLOCKEVENTS + def_bool y + +config GENERIC_CLOCKEVENTS_BROADCAST + def_bool y + +config STACKTRACE_SUPPORT + def_bool y + select STACKTRACE + +config GENERIC_BUG + def_bool y + depends on BUG + +config BUG + def_bool y + +menu "Machine selection" + +choice + prompt "System type" + default HEXAGON_ARCH_V2 + +config HEXAGON_COMET + bool "Comet Board" + select HEXAGON_ARCH_V2 + ---help--- + Support for the Comet platform. + +endchoice + +config HEXAGON_VM + def_bool y + +config CMDLINE + string "Default kernel command string" + default "" + help + On some platforms, there is currently no way for the boot loader + to pass arguments to the kernel. For these, you should supply some + command-line options at build time by entering them here. At a + minimum, you should specify the memory size and the root device + (e.g., mem=64M root=/dev/nfs). + +config HEXAGON_ANGEL_TRAPS + bool "Use Angel Traps" + default n + ---help--- + Enable angel debug traps (for printk's). + +config SMP + bool "Multi-Processing support" + ---help--- + Enables SMP support in the kernel. If unsure, say "Y" + +config NR_CPUS + int "Maximum number of CPUs" if SMP + range 2 6 if SMP + default "1" if !SMP + default "6" if SMP + ---help--- + This allows you to specify the maximum number of CPUs which this + kernel will support. The maximum supported value is 6 and the + minimum value which makes sense is 2. + + This is purely to save memory - each supported CPU adds + approximately eight kilobytes to the kernel image. + +choice + prompt "Kernel page size" + default PAGE_SIZE_4KB + ---help--- + Changes the default page size; use with caution. + +config PAGE_SIZE_4KB + bool "4KB" + +config PAGE_SIZE_16KB + bool "16KB" + +config PAGE_SIZE_64KB + bool "64KB" + +config PAGE_SIZE_256KB + bool "256KB" + +endchoice + +source "mm/Kconfig" + +source "kernel/Kconfig.hz" +source "kernel/time/Kconfig" + +config GENERIC_GPIO + bool "Generic GPIO support" + default n + +endmenu + +source "init/Kconfig" +source "drivers/Kconfig" +source "fs/Kconfig" + +menu "Executable File Formats" +source "fs/Kconfig.binfmt" +endmenu + +source "net/Kconfig" +source "security/Kconfig" +source "crypto/Kconfig" +source "lib/Kconfig" + +menu "Kernel hacking" +source "lib/Kconfig.debug" +endmenu -- cgit v1.2.3-55-g7522