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Diffstat (limited to 'arch/m68k/Kconfig.cpu')
| -rw-r--r-- | arch/m68k/Kconfig.cpu | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu index b826e9c677..ad69b466a0 100644 --- a/arch/m68k/Kconfig.cpu +++ b/arch/m68k/Kconfig.cpu @@ -535,3 +535,15 @@ config CACHE_COPYBACK The ColdFire CPU cache is set into Copy-back mode. endchoice endif # HAVE_CACHE_CB + +# Coldfire cores that do not have a data cache configured can do coherent DMA. +config COLDFIRE_COHERENT_DMA + bool + default y + depends on COLDFIRE + depends on !HAVE_CACHE_CB && !CACHE_D && !CACHE_BOTH + +config M68K_NONCOHERENT_DMA + bool + default y + depends on HAS_DMA && !COLDFIRE_COHERENT_DMA |