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nios2: Add new architecture

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This commit adds very basic support to build for the Nios II
architecture. Toolchain support is still missing and instead
we need to use an external custom toolchain.

Notice that this architecture had been previously removed in
Buildroot 2010.05-rc1 release (as explained in the CHANGES file)
and this commit adds it back.

Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Ezequiel Garcia 2013-08-29 19:10:40 -03:00 committed by Peter Korsgaard
parent 4ee8047024
commit 830205c036
3 changed files with 19 additions and 2 deletions
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11
arch/Config.in
View File

@ -124,6 +124,13 @@ config BR2_mips64el
http://www.mips.com/
http://en.wikipedia.org/wiki/MIPS_Technologies
config BR2_nios2
bool "Nios II"
help
Nios II is a soft core processor from Altera Corporation.
http://www.altera.com/
http://en.wikipedia.org/wiki/Nios_II
config BR2_powerpc
bool "PowerPC"
help
@ -305,6 +312,10 @@ if BR2_mips || BR2_mips64 || BR2_mipsel || BR2_mips64el
source "arch/Config.in.mips"
endif
if BR2_nios2
source "arch/Config.in.nios2"
endif
if BR2_powerpc
source "arch/Config.in.powerpc"
endif

5
arch/Config.in.nios2 Normal file
View File

@ -0,0 +1,5 @@
config BR2_ARCH
default "nios2"
config BR2_ENDIAN
default "LITTLE"

5
toolchain/Config.in
View File

@ -25,7 +25,7 @@ choice
config BR2_TOOLCHAIN_BUILDROOT
bool "Buildroot toolchain"
depends on !BR2_microblaze && !BR2_aarch64
depends on !BR2_microblaze && !BR2_aarch64 && !BR2_nios2
select BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS
config BR2_TOOLCHAIN_EXTERNAL
@ -38,7 +38,8 @@ config BR2_TOOLCHAIN_EXTERNAL
config BR2_TOOLCHAIN_CTNG
bool "Crosstool-NG toolchain"
depends on BR2_DEPRECATED
depends on !BR2_microblaze && !BR2_aarch64 && !BR2_xtensa && !BR2_arc
depends on !BR2_microblaze && !BR2_aarch64 && !BR2_xtensa && \
!BR2_arc && !BR2_nios2
select BR2_TOOLCHAIN_HAS_SHADOW_PASSWORDS
help
Say 'y' if you want to generate the toolchain with crosstool-NG