189 lines
4.8 KiB
Plaintext
189 lines
4.8 KiB
Plaintext
#
|
|
# For a description of the syntax of this configuration file,
|
|
# see the file kconfig-language.txt in the NuttX tools repository.
|
|
#
|
|
|
|
comment "ARMv7-A Configuration Options"
|
|
|
|
config ARMV7A_HAVE_GICv2
|
|
bool
|
|
default n
|
|
---help---
|
|
Selected by the configuration tool if the architecture supports the
|
|
Generic Interrupt Controller (GIC)
|
|
|
|
config ARMV7A_HAVE_GTM
|
|
bool
|
|
default n
|
|
---help---
|
|
Selected by the configuration tool if the architecture supports the
|
|
Global Timer (GTM)
|
|
|
|
config ARMV7A_HAVE_PTM
|
|
bool
|
|
default n
|
|
---help---
|
|
Selected by the configuration tool if the architecture supports the
|
|
per-processor Private Timers (PTMs)
|
|
|
|
config ARMV7A_HAVE_L2CC
|
|
bool
|
|
default n
|
|
---help---
|
|
Selected by the configuration tool if the architecture supports any
|
|
kind of L2 cache.
|
|
|
|
config ARMV7A_HAVE_L2CC_PL310
|
|
bool
|
|
default n
|
|
select ARMV7A_HAVE_L2CC
|
|
---help---
|
|
Set by architecture-specific code if the hardware supports a PL310
|
|
r3p2 L2 cache (only version r3p2 is supported).
|
|
|
|
if ARMV7A_HAVE_L2CC
|
|
|
|
menu "L2 Cache Configuration"
|
|
|
|
config ARMV7A_L2CC_PL310
|
|
bool "ARMv7-A L2CC P310 Support"
|
|
default n
|
|
depends on ARMV7A_HAVE_L2CC_PL310 && EXPERIMENTAL
|
|
select ARCH_L2CACHE
|
|
---help---
|
|
Enable the 2 Cache Controller (L2CC) is based on the L2CC-PL310 ARM
|
|
multi-way cache macrocell, version r3p2. The addition of an on-chip
|
|
secondary cache, also referred to as a Level 2 or L2 cache, is a
|
|
method of improving the system performance when significant memory
|
|
traffic is generated by the processor.
|
|
|
|
if ARCH_L2CACHE
|
|
if ARMV7A_L2CC_PL310
|
|
|
|
config PL310_LOCKDOWN_BY_MASTER
|
|
bool "PL310 Lockdown by Master"
|
|
default n
|
|
|
|
config PL310_LOCKDOWN_BY_LINE
|
|
bool "PL310 Lockdown by Line"
|
|
default n
|
|
|
|
config PL310_ADDRESS_FILTERING
|
|
bool "PL310 Address Filtering by Line"
|
|
default n
|
|
|
|
endif # ARMV7A_L2CC_PL310
|
|
|
|
choice
|
|
prompt "L2 Cache Associativity"
|
|
default ARMV7A_ASSOCIATIVITY_8WAY
|
|
depends on ARCH_L2CACHE
|
|
---help---
|
|
This choice specifies the associativity of L2 cache in terms of the
|
|
number of ways. This value could be obtained by querying cache
|
|
configuration registers. However, by defining a configuration
|
|
setting instead, we can avoid using RAM memory to hold information
|
|
about properties of the memory.
|
|
|
|
config ARMV7A_ASSOCIATIVITY_8WAY
|
|
bool "8-Way Associativity"
|
|
|
|
config ARMV7A_ASSOCIATIVITY_16WAY
|
|
bool "16-Way Associativity"
|
|
|
|
endchoice # L2 Cache Associativity
|
|
|
|
choice
|
|
prompt "L2 Cache Way Size"
|
|
default ARMV7A_WAYSIZE_16KB
|
|
depends on ARCH_L2CACHE
|
|
---help---
|
|
This choice specifies size of each way. This value can be obtained
|
|
by querying cache configuration registers. However, by defining a
|
|
configuration setting instead, we can avoid using RAM memory to hold
|
|
information
|
|
|
|
config ARMV7A_WAYSIZE_16KB
|
|
bool "16 KiB"
|
|
|
|
config ARMV7A_WAYSIZE_32KB
|
|
bool "32 KiB"
|
|
|
|
config ARMV7A_WAYSIZE_64KB
|
|
bool "64 KiB"
|
|
|
|
config ARMV7A_WAYSIZE_128KB
|
|
bool "128 KiB"
|
|
|
|
config ARMV7A_WAYSIZE_256KB
|
|
bool "256 KiB"
|
|
|
|
config ARMV7A_WAYSIZE_512KB
|
|
bool "512 KiB"
|
|
|
|
endchoice # L2 Cache Associativity
|
|
endif # ARCH_L2CACHE
|
|
endmenu # L2 Cache Configuration
|
|
endif # ARMV7A_HAVE_L2CC
|
|
|
|
choice
|
|
prompt "Toolchain Selection"
|
|
default ARMV7A_TOOLCHAIN_GNU_EABIW if HOST_WINDOWS
|
|
default ARMV7A_TOOLCHAIN_GNU_EABIL if !HOST_WINDOWS
|
|
|
|
config ARMV7A_TOOLCHAIN_BUILDROOT
|
|
bool "Buildroot (Cygwin or Linux)"
|
|
depends on !WINDOWS_NATIVE
|
|
|
|
config ARMV7A_TOOLCHAIN_CODESOURCERYL
|
|
bool "CodeSourcery GNU toolchain under Linux"
|
|
depends on HOST_LINUX
|
|
---help---
|
|
For use with the GNU toolchain built with the NuttX buildroot package.
|
|
This tools may be arm-nuttx-eabi- or, if ARMV7A_OABI_TOOLCHAIN is set,
|
|
arm-nuttx-elf-.
|
|
|
|
config ARMV7A_TOOLCHAIN_CODESOURCERYW
|
|
bool "CodeSourcery GNU toolchain under Windows"
|
|
depends on HOST_WINDOWS
|
|
|
|
config ARMV7A_TOOLCHAIN_DEVKITARM
|
|
bool "devkitARM GNU toolchain"
|
|
depends on HOST_WINDOWS
|
|
|
|
config ARMV7A_TOOLCHAIN_GNU_EABIL
|
|
bool "Generic GNU EABI toolchain under Linux (or other POSIX environment)"
|
|
---help---
|
|
This option should work for any modern GNU toolchain (GCC 4.5 or newer)
|
|
configured for arm-none-eabi-.
|
|
|
|
config ARMV7A_TOOLCHAIN_GNU_EABIW
|
|
bool "Generic GNU EABI toolchain under Windows"
|
|
depends on HOST_WINDOWS
|
|
---help---
|
|
This option should work for any modern GNU toolchain (GCC 4.5 or newer)
|
|
configured for arm-none-eabi-.
|
|
|
|
config ARMV7A_TOOLCHAIN_GNU_OABI
|
|
bool "Generic GNU OABI toolchain"
|
|
---help---
|
|
This option should work for any GNU toolchain configured for arm-elf-.
|
|
|
|
endchoice # ARMV7A_HAVE_L2CC
|
|
|
|
config ARMV7A_OABI_TOOLCHAIN
|
|
bool "OABI (vs EABI)"
|
|
default n
|
|
depends on ARMV7A_TOOLCHAIN_BUILDROOT
|
|
---help---
|
|
Most of the older buildroot toolchains are OABI and are named
|
|
arm-nuttx-elf- vs. arm-nuttx-eabi-
|
|
|
|
config ARMV7A_DECODEFIQ
|
|
bool "FIQ Handler"
|
|
default n
|
|
---help---
|
|
Select this option if your platform supports the function
|
|
arm_decodefiq(). This is used primarily to support secure TrustZone
|
|
interrupts received on the FIQ vector.
|