diff options
| author | Ezequiel Garcia <ezequiel.garcia@free-electrons.com> | 2013-07-26 17:17:57 +0400 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2013-08-06 18:11:16 +0400 |
| commit | 5e12a613ce393472316063dab062ad1afad84cc5 (patch) | |
| tree | e1eb06eebbd8f9c75851413d2f811b11bf28f0b0 /arch/arm/boot/dts/armada-370-xp.dtsi | |
| parent | 38149887ef8bfdc3d95e84a5b0a344241787d2d7 (diff) | |
| download | linux-5e12a613ce393472316063dab062ad1afad84cc5.tar.xz | |
ARM: mvebu: Add MBus to Armada 370/XP device tree
The Armada 370/XP SoC family has a completely configurable address
space handled by the MBus controller.
This patch introduces the device tree layout of MBus, making the
'soc' node as mbus-compatible.
Since every peripheral/controller is a child of this 'soc' node,
this makes all of them sit behind the mbus, thus describing the
hardware accurately.
A translation entry has been added for the internal-regs mapping.
This can't be done in the common armada-370-xp.dtsi because A370
and AXP have different addressing width.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'arch/arm/boot/dts/armada-370-xp.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/armada-370-xp.dtsi | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi index 90b117624abb..62639b4a61f9 100644 --- a/arch/arm/boot/dts/armada-370-xp.dtsi +++ b/arch/arm/boot/dts/armada-370-xp.dtsi @@ -18,6 +18,8 @@ /include/ "skeleton64.dtsi" +#define MBUS_ID(target,attributes) (((target) << 24) | ((attributes) << 16)) + / { model = "Marvell Armada 370 and XP SoC"; compatible = "marvell,armada-370-xp"; @@ -38,18 +40,21 @@ }; soc { - #address-cells = <1>; + #address-cells = <2>; #size-cells = <1>; - compatible = "simple-bus"; + controller = <&mbusc>; interrupt-parent = <&mpic>; - ranges = <0 0 0xd0000000 0x0100000 /* internal registers */ - 0xe0000000 0 0xe0000000 0x8100000 /* PCIe */>; internal-regs { compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; - ranges; + ranges = <0 MBUS_ID(0xf0, 0x01) 0 0x100000>; + + mbusc: mbus-controller@20000 { + compatible = "marvell,mbus-controller"; + reg = <0x20000 0x100>, <0x20180 0x20>; + }; mpic: interrupt-controller@20000 { compatible = "marvell,mpic"; |