diff options
Diffstat (limited to 'arch/arc/boot/dts/axc003.dtsi')
| -rw-r--r-- | arch/arc/boot/dts/axc003.dtsi | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arc/boot/dts/axc003.dtsi b/arch/arc/boot/dts/axc003.dtsi index dc91c663bcc0..d75d65ddf8e3 100644 --- a/arch/arc/boot/dts/axc003.dtsi +++ b/arch/arc/boot/dts/axc003.dtsi @@ -94,6 +94,32 @@ }; /* + * Mark DMA peripherals connected via IOC port as dma-coherent. We do + * it via overlay because peripherals defined in axs10x_mb.dtsi are + * used for both AXS101 and AXS103 boards and only AXS103 has IOC (so + * only AXS103 board has HW-coherent DMA peripherals) + * We don't need to mark pgu@17000 as dma-coherent because it uses + * external DMA buffer located outside of IOC aperture. + */ + axs10x_mb { + ethernet@0x18000 { + dma-coherent; + }; + + ehci@0x40000 { + dma-coherent; + }; + + ohci@0x60000 { + dma-coherent; + }; + + mmc@0x15000 { + dma-coherent; + }; + }; + + /* * The DW APB ICTL intc on MB is connected to CPU intc via a * DT "invisible" DW APB GPIO block, configured to simply pass thru * interrupts - setup accordinly in platform init (plat-axs10x/ax10x.c) |