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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/arch/avr32/Kconfig

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[PATCH] avr32 architecture This adds support for the Atmel AVR32 architecture as well as the AT32AP7000 CPU and the AT32STK1000 development board. AVR32 is a new high-performance 32-bit RISC microprocessor core, designed for cost-sensitive embedded applications, with particular emphasis on low power consumption and high code density. The AVR32 architecture is not binary compatible with earlier 8-bit AVR architectures. The AVR32 architecture, including the instruction set, is described by the AVR32 Architecture Manual, available from http://www.atmel.com/dyn/resources/prod_documents/doc32000.pdf The Atmel AT32AP7000 is the first CPU implementing the AVR32 architecture. It features a 7-stage pipeline, 16KB instruction and data caches and a full Memory Management Unit. It also comes with a large set of integrated peripherals, many of which are shared with the AT91 ARM-based controllers from Atmel. Full data sheet is available from http://www.atmel.com/dyn/resources/prod_documents/doc32003.pdf while the CPU core implementation including caches and MMU is documented by the AVR32 AP Technical Reference, available from http://www.atmel.com/dyn/resources/prod_documents/doc32001.pdf Information about the AT32STK1000 development board can be found at http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3918 including a BSP CD image with an earlier version of this patch, development tools (binaries and source/patches) and a root filesystem image suitable for booting from SD card. Alternatively, there's a preliminary "getting started" guide available at http://avr32linux.org/twiki/bin/view/Main/GettingStarted which provides links to the sources and patches you will need in order to set up a cross-compiling environment for avr32-linux. This patch, as well as the other patches included with the BSP and the toolchain patches, is actively supported by Atmel Corporation. [dmccr@us.ibm.com: Fix more pxx_page macro locations] [bunk@stusta.de: fix `make defconfig'] Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Dave McCracken <dmccr@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-26 10:32:13 +04:00
#
# For a description of the syntax of this configuration file,
# see Documentation/kbuild/kconfig-language.txt.
#
mainmenu "Linux Kernel Configuration"
config AVR32
bool
default y
# With EMBEDDED=n, we get lots of stuff automatically selected
# that we usually don't need on AVR32.
select EMBEDDED
help
AVR32 is a high-performance 32-bit RISC microprocessor core,
designed for cost-sensitive embedded applications, with particular
emphasis on low power consumption and high code density.
There is an AVR32 Linux project with a web page at
http://avr32linux.org/.
config UID16
bool
config GENERIC_HARDIRQS
bool
default y
config HARDIRQS_SW_RESEND
bool
default y
config GENERIC_IRQ_PROBE
bool
default y
config RWSEM_GENERIC_SPINLOCK
bool
default y
config GENERIC_TIME
bool
default y
config RWSEM_XCHGADD_ALGORITHM
bool
config GENERIC_BUST_SPINLOCK
bool
config GENERIC_HWEIGHT
bool
default y
config GENERIC_CALIBRATE_DELAY
bool
default y
source "init/Kconfig"
menu "System Type and features"
config SUBARCH_AVR32B
bool
config MMU
bool
config PERFORMANCE_COUNTERS
bool
config PLATFORM_AT32AP
bool
select SUBARCH_AVR32B
select MMU
select PERFORMANCE_COUNTERS
choice
prompt "AVR32 CPU type"
default CPU_AT32AP7000
config CPU_AT32AP7000
bool "AT32AP7000"
select PLATFORM_AT32AP
endchoice
#
# CPU Daughterboards for ATSTK1000
config BOARD_ATSTK1002
bool
choice
prompt "AVR32 board type"
default BOARD_ATSTK1000
config BOARD_ATSTK1000
bool "ATSTK1000 evaluation board"
select BOARD_ATSTK1002 if CPU_AT32AP7000
endchoice
choice
prompt "Boot loader type"
default LOADER_U_BOOT
config LOADER_U_BOOT
bool "U-Boot (or similar) bootloader"
endchoice
config LOAD_ADDRESS
hex
default 0x10000000 if LOADER_U_BOOT=y && CPU_AT32AP7000=y
config ENTRY_ADDRESS
hex
default 0x90000000 if LOADER_U_BOOT=y && CPU_AT32AP7000=y
config PHYS_OFFSET
hex
default 0x10000000 if CPU_AT32AP7000=y
source "kernel/Kconfig.preempt"
config HAVE_ARCH_BOOTMEM_NODE
bool
default n
config ARCH_HAVE_MEMORY_PRESENT
bool
default n
config NEED_NODE_MEMMAP_SIZE
bool
default n
config ARCH_FLATMEM_ENABLE
bool
default y
config ARCH_DISCONTIGMEM_ENABLE
bool
default n
config ARCH_SPARSEMEM_ENABLE
bool
default n
source "mm/Kconfig"
config OWNERSHIP_TRACE
bool "Ownership trace support"
default y
help
Say Y to generate an Ownership Trace message on every context switch,
enabling Nexus-compliant debuggers to keep track of the PID of the
currently executing task.
# FPU emulation goes here
source "kernel/Kconfig.hz"
config CMDLINE
string "Default kernel command line"
default ""
help
If you don't have a boot loader capable of passing a command line string
to the kernel, you may specify one here. As a minimum, you should specify
the memory size and the root device (e.g., mem=8M, root=/dev/nfs).
endmenu
menu "Bus options"
config PCI
bool
source "drivers/pci/Kconfig"
source "drivers/pcmcia/Kconfig"
endmenu
menu "Executable file formats"
source "fs/Kconfig.binfmt"
endmenu
source "net/Kconfig"
source "drivers/Kconfig"
source "fs/Kconfig"
source "arch/avr32/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
source "lib/Kconfig"