zynq: Add -mfpu=neon to PLATFORM_RELFLAGS

Fixes the following compiler error when using a GNU toolchain: lowlevel_init.S:19: Error: selected processor does not support ARM mode `fmrx r1,FPEXC' lowlevel_init.S:21: Error: selected processor does not support ARM mode `fmxr FPEXC,r1' See also http://forums.xilinx.com/t5/Embedded-Linux/Current-U-boot-master-u-boot-xlnx-fails-to-build-on-GNU/td-p/407205 Signed-off-by: Mike Looijmans <[email protected]> Signed-off-by: Michal Simek <[email protected]>
castl · Jan 31, 2014 · 10f10db · 10f10db
1 parent 2657383
commit 10f10db
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/arch/arm/cpu/armv7/zynq/config.mk b/arch/arm/cpu/armv7/zynq/config.mk
@@ -6,3 +6,5 @@
 PLATFORM_RELFLAGS += -fno-strict-aliasing
 # Xilinx, added to prevent unaligned accesses which started happening # with GCC 4.5.2 tools
 PLATFORM_RELFLAGS += -mno-unaligned-access
+# Allow NEON instructions (needed for lowlevel_init.S with GNU toolchain)
+PLATFORM_RELFLAGS += -mfpu=neon