move omap3 and cortexa8 includes from beagleboard BSP to meta-openembedded layer

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>

conf/machine/include/omap3.inc

@@ -0,0 +1,15 @@
+SOC_FAMILY = "omap3"
+TARGET_ARCH = "arm"
+
+require conf/machine/include/tune-cortexa8.inc
+PREFERRED_PROVIDER_virtual/kernel = "linux-omap"
+# Increase this everytime you change something in the kernel
+MACHINE_KERNEL_PR = "r92"
+
+KERNEL_IMAGETYPE = "uImage"
+
+UBOOT_ENTRYPOINT = "0x80008000"
+UBOOT_LOADADDRESS = "0x80008000"
+
+EXTRA_IMAGEDEPENDS += "u-boot x-load"
+

conf/machine/include/tune-cortexa8.inc

@@ -0,0 +1,17 @@
+# Instead of using -mfpu=vfp[2] we can use -mfpu=neon to make use of gcc intrinsics[1] and vectorize loops with -ftree-vectorize[3]
+# [1] http://gcc.gnu.org/onlinedocs/gcc/ARM-NEON-Intrinsics.html
+# [2] http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html 
+# [3] https://support.codesourcery.com/GNUToolchain/kbentry29
+
+# Can be 'softfp' or 'hardfp'
+ARM_FP_MODE ?= "softfp"
+
+ARM_FP_OPT = "${@['-mfloat-abi=softfp', '-mfloat-abi=hard'][bb.data.getVar('ARM_FP_MODE', d, 1) == 'hardfp']}"
+ARM_FP_PACKAGESUFFIX = "${@['', '-hardfp'][bb.data.getVar('ARM_FP_MODE', d, 1) == 'hardfp']}"
+
+TARGET_CC_ARCH = "-march=armv7-a -mtune=cortex-a8 -mfpu=neon ${ARM_FP_OPT}"
+
+FEED_ARCH = "armv7a${ARM_FP_PACKAGESUFFIX}"
+BASE_PACKAGE_ARCH = "armv7a${ARM_FP_PACKAGESUFFIX}"
+
+PACKAGE_EXTRA_ARCHS += "armv4 armv4t armv5te armv6 armv7 armv7a${ARM_FP_PACKAGESUFFIX}"