Re: [RFC PATCH 07/19] powerpc: gamecube/wii: declare as non-coherent platforms
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2009-11-26 05:09:37
On Sun, 2009-11-22 at 23:01 +0100, Albert Herranz wrote:
The processors bundled in the Nintendo GameCube and Wii video game consoles require explicit cache handling when DMA engines are used.
That reminds me we really need to make that a runtime option some day... Cheers, Ben.
quoted hunk ↗ jump to hunk
Signed-off-by: Albert Herranz <redacted> --- arch/powerpc/platforms/Kconfig.cputype | 2 +- arch/powerpc/platforms/embedded6xx/Kconfig | 1 + 2 files changed, 2 insertions(+), 1 deletions(-)diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index e382cae..80d934b 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype@@ -312,7 +312,7 @@ config NR_CPUS config NOT_COHERENT_CACHE bool - depends on 4xx || 8xx || E200 || PPC_MPC512x + depends on 4xx || 8xx || E200 || PPC_MPC512x || GAMECUBE_COMMON default y config CHECK_CACHE_COHERENCYdiff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig index 97a2dbc..31487e4 100644 --- a/arch/powerpc/platforms/embedded6xx/Kconfig +++ b/arch/powerpc/platforms/embedded6xx/Kconfig@@ -93,4 +93,5 @@ config MPC10X_STORE_GATHERING config GAMECUBE_COMMON bool + select NOT_COHERENT_CACHE