Merge branch 'virtex-for-2.6.25' of git://git.secretlab.ca/git/linux-2.6-virtex into for-2.6.25
This commit is contained in:
@@ -2292,7 +2292,7 @@ platforms are moved over to use the flattened-device-tree model.
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properties of the device node. In general, device nodes for IP-cores
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properties of the device node. In general, device nodes for IP-cores
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will take the following form:
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will take the following form:
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(name)@(base-address) {
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(name): (generic-name)@(base-address) {
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compatible = "xlnx,(ip-core-name)-(HW_VER)"
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compatible = "xlnx,(ip-core-name)-(HW_VER)"
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[, (list of compatible devices), ...];
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[, (list of compatible devices), ...];
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reg = <(baseaddr) (size)>;
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reg = <(baseaddr) (size)>;
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@@ -2302,6 +2302,9 @@ platforms are moved over to use the flattened-device-tree model.
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xlnx,(parameter2) = <(int-value)>;
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xlnx,(parameter2) = <(int-value)>;
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};
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};
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(generic-name): an open firmware-style name that describes the
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generic class of device. Preferably, this is one word, such
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as 'serial' or 'ethernet'.
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(ip-core-name): the name of the ip block (given after the BEGIN
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(ip-core-name): the name of the ip block (given after the BEGIN
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directive in system.mhs). Should be in lowercase
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directive in system.mhs). Should be in lowercase
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and all underscores '_' converted to dashes '-'.
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and all underscores '_' converted to dashes '-'.
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@@ -2310,9 +2313,9 @@ platforms are moved over to use the flattened-device-tree model.
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dropped from the parameter name, the name is converted
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dropped from the parameter name, the name is converted
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to lowercase and all underscore '_' characters are
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to lowercase and all underscore '_' characters are
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converted to dashes '-'.
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converted to dashes '-'.
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(baseaddr): the C_BASEADDR parameter.
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(baseaddr): the baseaddr parameter value (often named C_BASEADDR).
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(HW_VER): from the HW_VER parameter.
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(HW_VER): from the HW_VER parameter.
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(size): equals C_HIGHADDR - C_BASEADDR + 1
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(size): the address range size (often C_HIGHADDR - C_BASEADDR + 1).
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Typically, the compatible list will include the exact IP core version
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Typically, the compatible list will include the exact IP core version
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followed by an older IP core version which implements the same
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followed by an older IP core version which implements the same
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@@ -2342,11 +2345,11 @@ platforms are moved over to use the flattened-device-tree model.
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becomes the following device tree node:
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becomes the following device tree node:
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opb-uartlite-0@ec100000 {
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opb_uartlite_0: serial@ec100000 {
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device_type = "serial";
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device_type = "serial";
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compatible = "xlnx,opb-uartlite-1.00.b";
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compatible = "xlnx,opb-uartlite-1.00.b";
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reg = <ec100000 10000>;
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reg = <ec100000 10000>;
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interrupt-parent = <&opb-intc>;
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interrupt-parent = <&opb_intc_0>;
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interrupts = <1 0>; // got this from the opb_intc parameters
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interrupts = <1 0>; // got this from the opb_intc parameters
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current-speed = <d#115200>; // standard serial device prop
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current-speed = <d#115200>; // standard serial device prop
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clock-frequency = <d#50000000>; // standard serial device prop
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clock-frequency = <d#50000000>; // standard serial device prop
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@@ -2355,16 +2358,19 @@ platforms are moved over to use the flattened-device-tree model.
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xlnx,use-parity = <0>;
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xlnx,use-parity = <0>;
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};
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};
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Some IP cores actually implement 2 or more logical devices. In this case,
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Some IP cores actually implement 2 or more logical devices. In
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the device should still describe the whole IP core with a single node
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this case, the device should still describe the whole IP core with
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and add a child node for each logical device. The ranges property can
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a single node and add a child node for each logical device. The
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be used to translate from parent IP-core to the registers of each device.
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ranges property can be used to translate from parent IP-core to the
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(Note: this makes the assumption that both logical devices have the same
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registers of each device. In addition, the parent node should be
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bus binding. If this is not true, then separate nodes should be used for
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compatible with the bus type 'xlnx,compound', and should contain
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each logical device). The 'cell-index' property can be used to enumerate
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#address-cells and #size-cells, as with any other bus. (Note: this
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logical devices within an IP core. For example, the following is the
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makes the assumption that both logical devices have the same bus
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system.mhs entry for the dual ps2 controller found on the ml403 reference
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binding. If this is not true, then separate nodes should be used
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design.
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for each logical device). The 'cell-index' property can be used to
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enumerate logical devices within an IP core. For example, the
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following is the system.mhs entry for the dual ps2 controller found
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on the ml403 reference design.
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BEGIN opb_ps2_dual_ref
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BEGIN opb_ps2_dual_ref
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PARAMETER INSTANCE = opb_ps2_dual_ref_0
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PARAMETER INSTANCE = opb_ps2_dual_ref_0
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@@ -2386,21 +2392,24 @@ platforms are moved over to use the flattened-device-tree model.
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It would result in the following device tree nodes:
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It would result in the following device tree nodes:
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opb_ps2_dual_ref_0@a9000000 {
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opb_ps2_dual_ref_0: opb-ps2-dual-ref@a9000000 {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "xlnx,compound";
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ranges = <0 a9000000 2000>;
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ranges = <0 a9000000 2000>;
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// If this device had extra parameters, then they would
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// If this device had extra parameters, then they would
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// go here.
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// go here.
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ps2@0 {
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ps2@0 {
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compatible = "xlnx,opb-ps2-dual-ref-1.00.a";
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compatible = "xlnx,opb-ps2-dual-ref-1.00.a";
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reg = <0 40>;
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reg = <0 40>;
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interrupt-parent = <&opb-intc>;
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interrupt-parent = <&opb_intc_0>;
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interrupts = <3 0>;
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interrupts = <3 0>;
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cell-index = <0>;
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cell-index = <0>;
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};
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};
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ps2@1000 {
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ps2@1000 {
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compatible = "xlnx,opb-ps2-dual-ref-1.00.a";
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compatible = "xlnx,opb-ps2-dual-ref-1.00.a";
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reg = <1000 40>;
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reg = <1000 40>;
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interrupt-parent = <&opb-intc>;
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interrupt-parent = <&opb_intc_0>;
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interrupts = <3 0>;
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interrupts = <3 0>;
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cell-index = <0>;
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cell-index = <0>;
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};
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};
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@@ -2463,17 +2472,18 @@ platforms are moved over to use the flattened-device-tree model.
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Gives this device tree (some properties removed for clarity):
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Gives this device tree (some properties removed for clarity):
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plb-v34-0 {
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plb@0 {
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#address-cells = <1>;
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#address-cells = <1>;
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#size-cells = <1>;
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#size-cells = <1>;
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compatible = "xlnx,plb-v34-1.02.a";
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device_type = "ibm,plb";
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device_type = "ibm,plb";
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ranges; // 1:1 translation
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ranges; // 1:1 translation
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plb-bram-if-cntrl-0@ffff0000 {
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plb_bram_if_cntrl_0: bram@ffff0000 {
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reg = <ffff0000 10000>;
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reg = <ffff0000 10000>;
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}
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}
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opb-v20-0 {
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opb@20000000 {
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#address-cells = <1>;
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#address-cells = <1>;
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#size-cells = <1>;
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#size-cells = <1>;
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ranges = <20000000 20000000 20000000
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ranges = <20000000 20000000 20000000
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@@ -2481,11 +2491,11 @@ platforms are moved over to use the flattened-device-tree model.
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80000000 80000000 40000000
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80000000 80000000 40000000
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c0000000 c0000000 20000000>;
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c0000000 c0000000 20000000>;
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opb-uart16550-0@a0000000 {
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opb_uart16550_0: serial@a0000000 {
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reg = <a00000000 2000>;
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reg = <a00000000 2000>;
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};
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};
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opb-intc-0@d1000fc0 {
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opb_intc_0: interrupt-controller@d1000fc0 {
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reg = <d1000fc0 20>;
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reg = <d1000fc0 20>;
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};
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};
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};
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};
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@@ -128,7 +128,8 @@ int serial_console_init(void)
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rc = cpm_console_init(devp, &serial_cd);
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rc = cpm_console_init(devp, &serial_cd);
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else if (dt_is_compatible(devp, "mpc5200-psc-uart"))
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else if (dt_is_compatible(devp, "mpc5200-psc-uart"))
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rc = mpc5200_psc_console_init(devp, &serial_cd);
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rc = mpc5200_psc_console_init(devp, &serial_cd);
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else if (dt_is_compatible(devp, "xilinx,uartlite"))
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else if (dt_is_compatible(devp, "xlnx,opb-uartlite-1.00.b") ||
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dt_is_compatible(devp, "xlnx,xps-uartlite-1.00.a"))
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rc = uartlite_console_init(devp, &serial_cd);
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rc = uartlite_console_init(devp, &serial_cd);
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/* Add other serial console driver calls here */
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/* Add other serial console driver calls here */
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@@ -15,9 +15,19 @@
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#include <asm/time.h>
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#include <asm/time.h>
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#include <asm/xilinx_intc.h>
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#include <asm/xilinx_intc.h>
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static struct of_device_id xilinx_of_bus_ids[] __initdata = {
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{ .compatible = "xlnx,plb-v46-1.00.a", },
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{ .compatible = "xlnx,plb-v34-1.01.a", },
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{ .compatible = "xlnx,plb-v34-1.02.a", },
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{ .compatible = "xlnx,opb-v20-1.10.c", },
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{ .compatible = "xlnx,dcr-v29-1.00.a", },
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{ .compatible = "xlnx,compound", },
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{}
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};
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static int __init virtex_device_probe(void)
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static int __init virtex_device_probe(void)
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{
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{
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of_platform_bus_probe(NULL, NULL, NULL);
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of_platform_bus_probe(NULL, xilinx_of_bus_ids, NULL);
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return 0;
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return 0;
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}
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}
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@@ -135,10 +135,16 @@ void __init xilinx_intc_init_tree(void)
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struct device_node *np;
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struct device_node *np;
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/* find top level interrupt controller */
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/* find top level interrupt controller */
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for_each_compatible_node(np, NULL, "xilinx,intc") {
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for_each_compatible_node(np, NULL, "xlnx,opb-intc-1.00.c") {
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if (!of_get_property(np, "interrupts", NULL))
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if (!of_get_property(np, "interrupts", NULL))
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break;
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break;
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}
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}
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if (!np) {
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for_each_compatible_node(np, NULL, "xlnx,xps-intc-1.00.a") {
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if (!of_get_property(np, "interrupts", NULL))
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break;
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}
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}
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/* xilinx interrupt controller needs to be top level */
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/* xilinx interrupt controller needs to be top level */
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BUG_ON(!np);
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BUG_ON(!np);
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@@ -539,7 +539,7 @@ static int __devinit ulite_assign(struct device *dev, int id, u32 base, int irq)
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*
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*
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* @dev: pointer to device structure
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* @dev: pointer to device structure
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*/
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*/
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static int __devinit ulite_release(struct device *dev)
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static int __devexit ulite_release(struct device *dev)
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{
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{
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struct uart_port *port = dev_get_drvdata(dev);
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struct uart_port *port = dev_get_drvdata(dev);
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int rc = 0;
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int rc = 0;
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@@ -572,14 +572,14 @@ static int __devinit ulite_probe(struct platform_device *pdev)
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return ulite_assign(&pdev->dev, pdev->id, res->start, res2->start);
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return ulite_assign(&pdev->dev, pdev->id, res->start, res2->start);
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}
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}
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static int ulite_remove(struct platform_device *pdev)
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static int __devexit ulite_remove(struct platform_device *pdev)
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{
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{
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return ulite_release(&pdev->dev);
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return ulite_release(&pdev->dev);
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}
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}
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static struct platform_driver ulite_platform_driver = {
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static struct platform_driver ulite_platform_driver = {
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.probe = ulite_probe,
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.probe = ulite_probe,
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.remove = ulite_remove,
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.remove = __devexit_p(ulite_remove),
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.driver = {
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.driver = {
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.owner = THIS_MODULE,
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.owner = THIS_MODULE,
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.name = "uartlite",
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.name = "uartlite",
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