From b382ab7429122176a9a506db3daf9d50652ad6f6 Mon Sep 17 00:00:00 2001 From: Dalon Westergreen Date: Wed, 16 Mar 2016 07:39:46 -0700 Subject: Add detail to README --- README.md | 24 ++++++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) diff --git a/README.md b/README.md index a6bc000..70e4846 100644 --- a/README.md +++ b/README.md @@ -11,8 +11,8 @@ and raj.khem@gmail.com Maintainers: Khem Raj Yves Vandervennet -Specifying Kernel Version -========================= +Specifying Kernel Versions +========================== This layer has a few providers for the kernel. These are the linux-altera, linux-altera-ltsi, and linux-altera-ltsi-rt kernels. There are also linux-altera-dev and linux-altera-ltsi-dev kernels which follow the current @@ -31,9 +31,25 @@ or for the linux-altera-ltsi kernel Please note that older kernels will not compile with GCC 5+ and you will need to specify in your conf/local.conf to revert to older 4.9 toolchain. - GCCVERSION = "4.9%" - or +Specifying Toolchain Versions +============================= +The default Toolchain for ARM in Angstrom is the linaro toolchain. To specify +the use of this toolchain in Yocto add the following to conf/local.conf + + GCCVERSION = "linaro-5.2" + SDKGCCVERSION = "linaro-5.2" + DEFAULTTUNE = "cortexa9hf-neon" + +To use older kernels not supported by GCC 5+ you will need to use the 4.9 toolchain. + +For Yocto: + GCCVERSION = "linaro-4.9" + SDKGCCVERSION = "linaro-4.9" + DEFAULTTUNE = "cortexa9hf-neon" + +For Angstrom: ANGSTROM_GCC_VERSION_arm = "linaro-4.9%" + -- cgit v1.2.3-54-g00ecf