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wifipineapple-openwrt/target/linux/mvebu/patches-3.10/0064-ARM-kirkwood-Relocate-...

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From ae23894bcb163d1f91483b9566dc077f1e863af6 Mon Sep 17 00:00:00 2001
From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Date: Tue, 23 Jul 2013 08:44:00 -0300
Subject: [PATCH 064/203] ARM: kirkwood: Relocate PCIe device tree nodes
Now that mbus has been added to the device tree, it's possible to
move the PCIe nodes out of the ocp node, placing it directly
below the mbus. This is a more accurate representation of the hardware.
Moving the PCIe nodes, we now need to introduce an extra cell to
encode the window target ID and attribute. Since this depends on
the PCIe port, we split the ranges translation entries, to
correspond to each MBus window.
In addition, we encode the PCIe memory and I/O apertures in the MBus
node, according to the MBus DT binding specification. The choice made
is 0xe0000000-0xf0000000 for memory space, and 0xf200000-0xf2100000 for
I/O space. These apertures can be changed in each per-board DT file.
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>
---
arch/arm/boot/dts/kirkwood-6281.dtsi | 35 ++++++++++++++
arch/arm/boot/dts/kirkwood-6282.dtsi | 55 ++++++++++++++++++++++
arch/arm/boot/dts/kirkwood-iconnect.dts | 11 +++++
arch/arm/boot/dts/kirkwood-mplcec4.dts | 11 +++++
.../boot/dts/kirkwood-netgear_readynas_duo_v2.dts | 11 +++++
arch/arm/boot/dts/kirkwood-nsa310.dts | 19 ++++----
arch/arm/boot/dts/kirkwood-ts219-6282.dts | 19 ++++----
arch/arm/boot/dts/kirkwood-ts219.dtsi | 10 ++++
arch/arm/boot/dts/kirkwood.dtsi | 4 ++
9 files changed, 159 insertions(+), 16 deletions(-)
--- a/arch/arm/boot/dts/kirkwood-6281.dtsi
+++ b/arch/arm/boot/dts/kirkwood-6281.dtsi
@@ -1,4 +1,39 @@
/ {
+ mbus {
+ pcie-controller {
+ compatible = "marvell,kirkwood-pcie";
+ status = "disabled";
+ device_type = "pci";
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ bus-range = <0x00 0xff>;
+
+ ranges =
+ <0x82000000 0 0x40000 MBUS_ID(0xf0, 0x01) 0x40000 0 0x00002000
+ 0x82000000 0x1 0 MBUS_ID(0x04, 0xe8) 0 1 0 /* Port 0.0 MEM */
+ 0x81000000 0x1 0 MBUS_ID(0x04, 0xe0) 0 1 0 /* Port 0.0 IO */>;
+
+ pcie@1,0 {
+ device_type = "pci";
+ assigned-addresses = <0x82000800 0 0x00040000 0 0x2000>;
+ reg = <0x0800 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ ranges = <0x82000000 0 0 0x82000000 0x1 0 1 0
+ 0x81000000 0 0 0x81000000 0x1 0 1 0>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &intc 9>;
+ marvell,pcie-port = <0>;
+ marvell,pcie-lane = <0>;
+ clocks = <&gate_clk 2>;
+ status = "disabled";
+ };
+ };
+ };
+
ocp@f1000000 {
pinctrl: pinctrl@10000 {
compatible = "marvell,88f6281-pinctrl";
--- a/arch/arm/boot/dts/kirkwood-6282.dtsi
+++ b/arch/arm/boot/dts/kirkwood-6282.dtsi
@@ -1,4 +1,59 @@
/ {
+ mbus {
+ pcie-controller {
+ compatible = "marvell,kirkwood-pcie";
+ status = "disabled";
+ device_type = "pci";
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ bus-range = <0x00 0xff>;
+
+ ranges =
+ <0x82000000 0 0x40000 MBUS_ID(0xf0, 0x01) 0x40000 0 0x00002000
+ 0x82000000 0 0x44000 MBUS_ID(0xf0, 0x01) 0x44000 0 0x00002000
+ 0x82000000 0 0x80000 MBUS_ID(0xf0, 0x01) 0x80000 0 0x00002000
+ 0x82000000 0x1 0 MBUS_ID(0x04, 0xe8) 0 1 0 /* Port 0.0 MEM */
+ 0x81000000 0x1 0 MBUS_ID(0x04, 0xe0) 0 1 0 /* Port 0.0 IO */
+ 0x82000000 0x2 0 MBUS_ID(0x04, 0xd8) 0 1 0 /* Port 1.0 MEM */
+ 0x81000000 0x2 0 MBUS_ID(0x04, 0xd0) 0 1 0 /* Port 1.0 IO */>;
+
+ pcie@1,0 {
+ device_type = "pci";
+ assigned-addresses = <0x82000800 0 0x00040000 0 0x2000>;
+ reg = <0x0800 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ ranges = <0x82000000 0 0 0x82000000 0x1 0 1 0
+ 0x81000000 0 0 0x81000000 0x1 0 1 0>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &intc 9>;
+ marvell,pcie-port = <0>;
+ marvell,pcie-lane = <0>;
+ clocks = <&gate_clk 2>;
+ status = "disabled";
+ };
+
+ pcie@2,0 {
+ device_type = "pci";
+ assigned-addresses = <0x82001000 0 0x00044000 0 0x2000>;
+ reg = <0x1000 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ ranges = <0x82000000 0 0 0x82000000 0x2 0 1 0
+ 0x81000000 0 0 0x81000000 0x2 0 1 0>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &intc 10>;
+ marvell,pcie-port = <1>;
+ marvell,pcie-lane = <0>;
+ clocks = <&gate_clk 18>;
+ status = "disabled";
+ };
+ };
+ };
ocp@f1000000 {
pinctrl: pinctrl@10000 {
--- a/arch/arm/boot/dts/kirkwood-iconnect.dts
+++ b/arch/arm/boot/dts/kirkwood-iconnect.dts
@@ -18,6 +18,17 @@
linux,initrd-end = <0x4800000>;
};
+ mbus {
+ ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>;
+ pcie-controller {
+ status = "okay";
+
+ pcie@1,0 {
+ status = "okay";
+ };
+ };
+ };
+
ocp@f1000000 {
pinctrl: pinctrl@10000 {
--- a/arch/arm/boot/dts/kirkwood-mplcec4.dts
+++ b/arch/arm/boot/dts/kirkwood-mplcec4.dts
@@ -16,6 +16,17 @@
bootargs = "console=ttyS0,115200n8 earlyprintk";
};
+ mbus {
+ ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>;
+ pcie-controller {
+ status = "okay";
+
+ pcie@1,0 {
+ status = "okay";
+ };
+ };
+ };
+
ocp@f1000000 {
pinctrl: pinctrl@10000 {
--- a/arch/arm/boot/dts/kirkwood-netgear_readynas_duo_v2.dts
+++ b/arch/arm/boot/dts/kirkwood-netgear_readynas_duo_v2.dts
@@ -16,6 +16,17 @@
bootargs = "console=ttyS0,115200n8 earlyprintk";
};
+ mbus {
+ ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>;
+ pcie-controller {
+ status = "okay";
+
+ pcie@1,0 {
+ status = "okay";
+ };
+ };
+ };
+
ocp@f1000000 {
pinctrl: pinctrl@10000 {
--- a/arch/arm/boot/dts/kirkwood-nsa310.dts
+++ b/arch/arm/boot/dts/kirkwood-nsa310.dts
@@ -16,6 +16,17 @@
bootargs = "console=ttyS0,115200";
};
+ mbus {
+ ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>;
+ pcie-controller {
+ status = "okay";
+
+ pcie@1,0 {
+ status = "okay";
+ };
+ };
+ };
+
ocp@f1000000 {
pinctrl: pinctrl@10000 {
pinctrl-0 = <&pmx_unknown>;
@@ -162,14 +173,6 @@
reg = <0x5040000 0x2fc0000>;
};
};
-
- pcie-controller {
- status = "okay";
-
- pcie@1,0 {
- status = "okay";
- };
- };
};
gpio_keys {
--- a/arch/arm/boot/dts/kirkwood-ts219-6282.dts
+++ b/arch/arm/boot/dts/kirkwood-ts219-6282.dts
@@ -5,6 +5,17 @@
#include "kirkwood-ts219.dtsi"
/ {
+ mbus {
+ ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>;
+ pcie-controller {
+ status = "okay";
+
+ pcie@2,0 {
+ status = "okay";
+ };
+ };
+ };
+
ocp@f1000000 {
pinctrl: pinctrl@10000 {
@@ -30,14 +41,6 @@
marvell,function = "gpio";
};
};
- pcie-controller {
- status = "okay";
-
- pcie@2,0 {
- status = "okay";
- };
- };
-
};
gpio_keys {
--- a/arch/arm/boot/dts/kirkwood-ts219.dtsi
+++ b/arch/arm/boot/dts/kirkwood-ts219.dtsi
@@ -13,6 +13,16 @@
bootargs = "console=ttyS0,115200n8";
};
+ mbus {
+ pcie-controller {
+ status = "okay";
+
+ pcie@1,0 {
+ status = "okay";
+ };
+ };
+ };
+
ocp@f1000000 {
i2c@11000 {
status = "okay";
--- a/arch/arm/boot/dts/kirkwood.dtsi
+++ b/arch/arm/boot/dts/kirkwood.dtsi
@@ -20,7 +20,11 @@
mbus {
compatible = "marvell,kirkwood-mbus", "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <1>;
controller = <&mbusc>;
+ pcie-mem-aperture = <0xe0000000 0x10000000>; /* 256 MiB memory space */
+ pcie-io-aperture = <0xf2000000 0x100000>; /* 1 MiB I/O space */
};
ocp@f1000000 {
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