[oe] [PATCH 1/6] Add support for the Technologic Systems TS7500 ARM SBCs

[Khem Raj]

On Wed, Mar 30, 2011 at 7:07 AM, UDel V2G Team <v2g.udel at gmail.com> wrote:
> * Includes conf/machine/ts75xx.conf and conf/machine/include/tune-fa526.inc
>  files needed for building OE packages w/ EABI and *NO* thumb support
>
> Signed-off-by: UDel V2G Team <v2g.udel at gmail.com>
> ---
>  conf/machine/include/tune-fa526.inc |   22 ++++++++++++++++++++++
>  conf/machine/ts75xx.conf            |   22 ++++++++++++++++++++++
>  2 files changed, 44 insertions(+), 0 deletions(-)
>  create mode 100755 conf/machine/include/tune-fa526.inc
>  create mode 100755 conf/machine/ts75xx.conf
>
> diff --git a/conf/machine/include/tune-fa526.inc b/conf/machine/include/tune-fa526.inc
> new file mode 100755
> index 0000000..a5c5008
> --- /dev/null
> +++ b/conf/machine/include/tune-fa526.inc
> @@ -0,0 +1,22 @@
> +# This tune file is for the Faraday FA526 core is used in
> +# ARM processors like the Semi STR8132/ Cavium CNS2132, which is
> +# in the Technologic Systems TS-7500 board in addition to some
> +# NAS boxes out there.
> +#
> +# This core basically resembles a ARM920T but has NO thumb interworking support
> +# which makes it not fully EABI compliant
> +#
> +# Hence, we need to diable all thumb instructions here
> +# Also be sure to disable all thumb flags/features/includes in the distros
> +
> +FEED_ARCH = "armv4"
> +BASE_PACKAGE_ARCH = "armv4"
> +
> +# Ideally we want the following CFLAGS for our architecture.
> +# Angstorm will automtically add the thumb flags, so don't include them here
> +# TARGET_CC_ARCH += "-march=armv4 -mno-thumb-interwork -mno-thumb -mfloat-abi=soft"

-mfloat-abi=soft is probably not needed since thats the toolchain default.

> +TARGET_CC_ARCH += "-march=armv4 -mfloat-abi=soft"
> +
> +PACKAGE_EXTRA_ARCHS += "armv4"
> +LDFLAGS += "-Xlinker --fix-v4bx -Xassembler --fix-v4bx"

those should also be default when toolchain is build for armv4
where do u need to specify that in LDFLAGS

> +THUMB_INTERWORK = "no"
> diff --git a/conf/machine/ts75xx.conf b/conf/machine/ts75xx.conf
> new file mode 100755
> index 0000000..d76548d
> --- /dev/null
> +++ b/conf/machine/ts75xx.conf
> @@ -0,0 +1,22 @@
> +#@TYPE: Machine
> +#@Name: Technologic Systems TS-75xx SBC
> +#@DESCRIPTION: Machine configuration for Technologic Systems TS-75xx SBC
> +
> +TARGET_ARCH = "arm"
> +
> +MACHINE_FEATURES = "kernel26 ext2 usbhost"
> +
> +# This requires cavium fa526 patch set to function
> +# See the linux-ts75xx directory for the patches
> +PREFERRED_PROVIDER_virtual/kernel = "linux-ts75xx"
> +PREFERRED_VERSION_linux = "2.6.35"
> +
> +SERIAL_CONSOLE = "115200 ttyS0"
> +USE_VT = "0"
> +
> +# Uses the traditional TS-7500 bootloader process
> +# See the ts75xx-initrd-image.bb recipe for building
> +# an initrd script that only uses EABI userspace utilities
> +CMDLINE = "root=/dev/ram0 init=/linuxrc console=/dev/ttyS0,115200 lpj=958464"
> +
> +require conf/machine/include/tune-fa526.inc
> --
> 1.7.3.4
>
>
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