Move up AHB/IOMMU to register them earlier than others. IOMMU needs
AHB, and IOMMU needs to register all platform devices as
IOMMU'able. So AHB/IOMMU needs to be instanciated at very beginning.

Signed-off-by: Hiroshi Doyu <[email protected]>
---
 arch/arm/boot/dts/tegra114.dtsi | 33 +++++++++++++++++----------------
 1 file changed, 17 insertions(+), 16 deletions(-)

diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi
index 980a3b1..180186f 100644
--- a/arch/arm/boot/dts/tegra114.dtsi
+++ b/arch/arm/boot/dts/tegra114.dtsi
@@ -16,6 +16,23 @@
                serial3 = &uartd;
        };
 
+       /* FIXME: ahb/iommu needs to be populated first. */
+       ahb: ahb {
+               compatible = "nvidia,tegra114-ahb", "nvidia,tegra30-ahb";
+               reg = <0x6000c004 0x14c>;
+       };
+
+       iommu {
+               compatible = "nvidia,tegra114-smmu", "nvidia,tegra30-smmu";
+               reg = <0x70019010 0x02c
+                      0x700191f0 0x010
+                      0x70019228 0x074>;
+               nvidia,#asids = <4>;
+               dma-window = <0 0x40000000>;
+               nvidia,swgroups = <0x00000000 0x01b659fe>;
+               nvidia,ahb = <&ahb>;
+       };
+
        gic: interrupt-controller {
                compatible = "arm,cortex-a15-gic";
                #interrupt-cells = <3>;
@@ -84,11 +101,6 @@
                clocks = <&tegra_car TEGRA114_CLK_APBDMA>;
        };
 
-       ahb: ahb {
-               compatible = "nvidia,tegra114-ahb", "nvidia,tegra30-ahb";
-               reg = <0x6000c004 0x14c>;
-       };
-
        gpio: gpio {
                compatible = "nvidia,tegra114-gpio", "nvidia,tegra30-gpio";
                reg = <0x6000d000 0x1000>;
@@ -317,17 +329,6 @@
                clock-names = "pclk", "clk32k_in";
        };
 
-       iommu {
-               compatible = "nvidia,tegra114-smmu", "nvidia,tegra30-smmu";
-               reg = <0x70019010 0x02c
-                      0x700191f0 0x010
-                      0x70019228 0x074>;
-               nvidia,#asids = <4>;
-               dma-window = <0 0x40000000>;
-               nvidia,swgroups = <0x00000000 0x01b659fe>;
-               nvidia,ahb = <&ahb>;
-       };
-
        ahub {
                compatible = "nvidia,tegra114-ahub";
                reg = <0x70080000 0x200>,
-- 
1.8.1.5

--
To unsubscribe from this list: send the line "unsubscribe linux-tegra" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to