MIPS: add support for I6400 cores

-march=i6400 support starts from GCC-6, so disable previous versions
when selecting this core.

Note that I6400 implies a MIPS R6 CPU, and some GCC versions are already
disabled for R6, so we don't need to disable those ones for I6400 as
well.

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

diff --git a/arch/Config.in.mips b/arch/Config.in.mips
index 3881909f7662e179cdd79da0e6a665a856d20138..73be3c9fb46d4419d9b4ffef1e49d8dd18fd7d03 100644 (file)
--- a/arch/Config.in.mips
+++ b/arch/Config.in.mips
@@ -71,6 +71,10 @@ config BR2_mips_64r6
        bool "Generic MIPS64R6"
        depends on BR2_ARCH_IS_64
        select BR2_MIPS_CPU_MIPS64R6
+config BR2_mips_i6400
+       bool "I6400"
+       depends on BR2_ARCH_IS_64
+       select BR2_MIPS_CPU_MIPS64R6
 endchoice
 
 
@@ -123,6 +127,7 @@ config BR2_GCC_TARGET_ARCH
        default "mips64r2"      if BR2_mips_64r2
        default "mips64r5"      if BR2_mips_64r5
        default "mips64r6"      if BR2_mips_64r6
+       default "i6400"         if BR2_mips_i6400
 
 config BR2_MIPS_OABI32
        bool

diff --git a/package/gcc/Config.in.host b/package/gcc/Config.in.host
index 15b23dbeeb016c969cc9d3c4a73f1f2a5f58479e..f07df7d60389dc91a816b3a86d22104e2bbf4c4d 100644 (file)
--- a/package/gcc/Config.in.host
+++ b/package/gcc/Config.in.host
@@ -101,7 +101,7 @@ choice
                depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_powerpc64 || BR2_powerpc64el))
                # Unsupported MIPS cores
                depends on !BR2_mips_interaptiv && !BR2_mips_m5100 && \
-                       !BR2_mips_m5101
+                       !BR2_mips_m5101 && !BR2_mips_i6400
                # musl mips64 unsupported
                depends on !(BR2_TOOLCHAIN_USES_MUSL && (BR2_mips64 || BR2_mips64el))
                select BR2_GCC_NEEDS_MPC