diff options
| -rw-r--r-- | arch/arm/boot/dts/rk3288.dtsi | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi index 2db91c9ccac2..906e938fb6bf 100644 --- a/arch/arm/boot/dts/rk3288.dtsi +++ b/arch/arm/boot/dts/rk3288.dtsi @@ -169,6 +169,26 @@ }; }; + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + /* + * The rk3288 cannot use the memory area above 0xfe000000 + * for dma operations for some reason. While there is + * probably a better solution available somewhere, we + * haven't found it yet and while devices with 2GB of ram + * are not affected, this issue prevents 4GB from booting. + * So to make these devices at least bootable, block + * this area for the time being until the real solution + * is found. + */ + dma-unusable@fe000000 { + reg = <0xfe000000 0x1000000>; + }; + }; + xin24m: oscillator { compatible = "fixed-clock"; clock-frequency = <24000000>; |