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# SPDX-License-Identifier: GPL-2.0
# Hexagon configuration
comment "Linux Kernel Configuration for Hexagon"
config HEXAGON
def_bool y
select ARCH_NO_PREEMPT
select HAVE_OPROFILE
# 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 GPIOLIB
# select HAVE_CLK
# select GENERIC_PENDING_IRQ if SMP
select GENERIC_ATOMIC64
select HAVE_PERF_EVENTS
# GENERIC_ALLOCATOR is used by dma_alloc_coherent()
select GENERIC_ALLOCATOR
select GENERIC_IRQ_SHOW
select HAVE_ARCH_KGDB
select HAVE_ARCH_TRACEHOOK
select NEED_SG_DMA_LENGTH
select NO_IOPORT_MAP
select GENERIC_IOMAP
select GENERIC_SMP_IDLE_THREAD
select STACKTRACE_SUPPORT
select GENERIC_CLOCKEVENTS
select GENERIC_CLOCKEVENTS_BROADCAST
select MODULES_USE_ELF_RELA
select GENERIC_CPU_DEVICES
---help---
Qualcomm Hexagon is a processor architecture designed for high
performance and low power across a wide variety of applications.
config HEXAGON_PHYS_OFFSET
def_bool y
---help---
Platforms that don't load the kernel at zero set this.
config FRAME_POINTER
def_bool y
config LOCKDEP_SUPPORT
def_bool y
config PCI
def_bool n
config EARLY_PRINTK
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 RWSEM_GENERIC_SPINLOCK
def_bool n
config RWSEM_XCHGADD_ALGORITHM
def_bool y
config GENERIC_HWEIGHT
def_bool y
config STACKTRACE_SUPPORT
def_bool y
select STACKTRACE
config GENERIC_BUG
def_bool y
depends on BUG
menu "Machine selection"
choice
prompt "System type"
default HEXAGON_COMET
config HEXAGON_COMET
bool "Comet Board"
---help---
Support for the Comet platform.
endchoice
config HEXAGON_ARCH_VERSION
int "Architecture version"
default 2
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 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 "kernel/Kconfig.hz"
endmenu
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