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ARM: kirkwood: Relocate PCIe device tree nodes

Browse source 
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>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Ezequiel Garcia 2013-07-26 10:18:05 -03:00 committed by Jason Cooper
parent 3ec81e7e03
commit 54397d8534
12 changed files with 163 additions and 136 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

66
arch/arm/boot/dts/kirkwood-6281.dtsi
View file

@ -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";
@ -41,37 +76,6 @@ pmx_sdio: pmx-sdio {
};
};
pcie-controller {
compatible = "marvell,kirkwood-pcie";
status = "disabled";
device_type = "pci";
#address-cells = <3>;
#size-cells = <2>;
bus-range = <0x00 0xff>;
ranges = <0x82000000 0 0x00040000 0x00040000 0 0x00002000 /* Port 0.0 registers */
0x82000000 0 0xe0000000 0xe0000000 0 0x08000000 /* non-prefetchable memory */
0x81000000 0 0 0xe8000000 0 0x00100000>; /* downstream I/O */
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;
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";
};
};
rtc@10300 {
compatible = "marvell,kirkwood-rtc", "marvell,orion-rtc";
reg = <0x10300 0x20>;

102
arch/arm/boot/dts/kirkwood-6282.dtsi
View file

@ -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 {
@ -94,52 +149,5 @@ i2c@11100 {
status = "disabled";
};
pcie-controller {
compatible = "marvell,kirkwood-pcie";
status = "disabled";
device_type = "pci";
#address-cells = <3>;
#size-cells = <2>;
bus-range = <0x00 0xff>;
ranges = <0x82000000 0 0x00040000 0x00040000 0 0x00002000 /* Port 0.0 registers */
0x82000000 0 0x00044000 0x00044000 0 0x00002000 /* Port 1.0 registers */
0x82000000 0 0xe0000000 0xe0000000 0 0x08000000 /* non-prefetchable memory */
0x81000000 0 0 0xe8000000 0 0x00100000>; /* downstream I/O */
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;
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;
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";
};
};
};
};

3
arch/arm/boot/dts/kirkwood-db-88f6281.dts
View file

@ -18,7 +18,8 @@ / {
model = "Marvell DB-88F6281-BP Development Board";
compatible = "marvell,db-88f6281-bp", "marvell,kirkwood-88f6281", "marvell,kirkwood";
ocp@f1000000 {
mbus {
ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>;
pcie-controller {
status = "okay";

3
arch/arm/boot/dts/kirkwood-db-88f6282.dts
View file

@ -18,7 +18,8 @@ / {
model = "Marvell DB-88F6282-BP Development Board";
compatible = "marvell,db-88f6282-bp", "marvell,kirkwood-88f6282", "marvell,kirkwood";
ocp@f1000000 {
mbus {
ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>;
pcie-controller {
status = "okay";

8
arch/arm/boot/dts/kirkwood-db.dtsi
View file

@ -77,13 +77,5 @@ mvsdio@90000 {
cd-gpios = <&gpio1 6 0>;
status = "okay";
};
pcie-controller {
status = "okay";
pcie@1,0 {
status = "okay";
};
};
};
};

19
arch/arm/boot/dts/kirkwood-iconnect.dts
View file

@ -18,6 +18,17 @@ chosen {
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 {
pmx_button_reset: pmx-button-reset {
@ -101,14 +112,6 @@ partition@980000 {
reg = <0x980000 0x1f400000>;
};
};
pcie-controller {
status = "okay";
pcie@1,0 {
status = "okay";
};
};
};
gpio-leds {

19
arch/arm/boot/dts/kirkwood-mplcec4.dts
View file

@ -16,6 +16,17 @@ chosen {
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 {
pmx_led_health: pmx-led-health {
@ -134,14 +145,6 @@ mvsdio@90000 {
cd-gpios = <&gpio1 15 1>;
/* No WP GPIO */
};
pcie-controller {
status = "okay";
pcie@1,0 {
status = "okay";
};
};
};
gpio-leds {

19
arch/arm/boot/dts/kirkwood-netgear_readynas_duo_v2.dts
View file

@ -16,6 +16,17 @@ chosen {
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 {
pmx_button_power: pmx-button-power {
@ -101,14 +112,6 @@ sata@80000 {
status = "okay";
nr-ports = <2>;
};
pcie-controller {
status = "okay";
pcie@1,0 {
status = "okay";
};
};
};
gpio-leds {

19
arch/arm/boot/dts/kirkwood-nsa310.dts
View file

@ -16,6 +16,17 @@ chosen {
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 @@ partition@5040000 {
reg = <0x5040000 0x2fc0000>;
};
};
pcie-controller {
status = "okay";
pcie@1,0 {
status = "okay";
};
};
};
gpio_keys {

19
arch/arm/boot/dts/kirkwood-ts219-6282.dts
View file

@ -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 @@ pmx_board_id: pmx-board-id {
marvell,function = "gpio";
};
};
pcie-controller {
status = "okay";
pcie@2,0 {
status = "okay";
};
};
};
gpio_keys {

17
arch/arm/boot/dts/kirkwood-ts219.dtsi
View file

@ -11,6 +11,16 @@ chosen {
bootargs = "console=ttyS0,115200n8";
};
mbus {
pcie-controller {
status = "okay";
pcie@1,0 {
status = "okay";
};
};
};
ocp@f1000000 {
i2c@11000 {
status = "okay";
@ -87,12 +97,5 @@ sata@80000 {
status = "okay";
nr-ports = <2>;
};
pcie-controller {
status = "okay";
pcie@1,0 {
status = "okay";
};
};
};
};

5
arch/arm/boot/dts/kirkwood.dtsi
View file

@ -32,13 +32,16 @@ intc: interrupt-controller {
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 {
compatible = "simple-bus";
ranges = <0x00000000 0xf1000000 0x0100000
0xe0000000 0xe0000000 0x8100000 /* PCIE */
0xf4000000 0xf4000000 0x0000400
0xf5000000 0xf5000000 0x0000400>;
#address-cells = <1>;