Add generic-nios2 machine to meta-altera

Add support for the Altera NIOS2 architecture and a generic machine config.
Also add Linux kernel defconfig for linux-yocto 4.1 package.

Heavily based on work by Walter Goossens <waltergoossens@home.nl>

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Khem Raj <raj.khem@gmail.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Thomas Chou <thomas@wytron.com.tw>
Cc: Walter Goossens <waltergoossens@home.nl>
Cc: Yves Vandervennet <yvanderv@opensource.altera.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/conf/machine/include/tune-nios2.inc b/conf/machine/include/tune-nios2.inc
new file mode 100644
index 0000000..4a132a4
--- /dev/null
+++ b/conf/machine/include/tune-nios2.inc
@@ -0,0 +1,20 @@
+#@TYPE: Machine configuration
+#@NAME: nios2
+
+DEFAULTTUNE ?= "nios2"
+
+TUNE_ARCH = "nios2el"
+
+require conf/machine/include/nios2/feature-nios2-multiply.inc
+require conf/machine/include/nios2/feature-nios2-divide.inc
+require conf/machine/include/nios2/feature-nios2-fpu.inc
+
+AVAILTUNES += "nios2"
+TUNEVALID[nios2] = "nios2"
+TUNE_FEATURES_tune-nios2 += "nios2"
+
+TUNE_CCARGS += "-mel ${NIOS2CCARGSDIV} ${NIOS2CCARGSFPU} ${NIOS2CCARGSMUL}"
+TUNE_PKGARCH = "nios2${NIOS2PKGMUL}${NIOS2PKGDIV}${NIOS2PKGFPU}"
+PACKAGE_EXTRA_ARCHS_tune-nios2 = "${TUNE_PKGARCH}"
+
+CSL_TARGET_SYS_nios2 = "nios2-linux-gnu"