};
soc {
+ pci@c0000000 {
+ status = "ok";
+
+ /*
+ * Taken from NSLU2 PCI boardfile, INT A, B, C swizzled D constant
+ * We have slots (IDSEL) 1, 2 and 3.
+ */
+ interrupt-map =
+ /* IDSEL 1 */
+ <0x0800 0 0 1 &gpio0 11 3>, /* INT A on slot 1 is irq 11 */
+ <0x0800 0 0 2 &gpio0 10 3>, /* INT B on slot 1 is irq 10 */
+ <0x0800 0 0 3 &gpio0 9 3>, /* INT C on slot 1 is irq 9 */
+ <0x0800 0 0 4 &gpio0 8 3>, /* INT D on slot 1 is irq 8 */
+ /* IDSEL 2 */
+ <0x1000 0 0 1 &gpio0 10 3>, /* INT A on slot 2 is irq 10 */
+ <0x1000 0 0 2 &gpio0 9 3>, /* INT B on slot 2 is irq 9 */
+ <0x1000 0 0 3 &gpio0 11 3>, /* INT C on slot 2 is irq 11 */
+ <0x1000 0 0 4 &gpio0 8 3>, /* INT D on slot 2 is irq 8 */
+ /* IDSEL 3 */
+ <0x1800 0 0 1 &gpio0 9 3>, /* INT A on slot 3 is irq 9 */
+ <0x1800 0 0 2 &gpio0 11 3>, /* INT B on slot 3 is irq 11 */
+ <0x1800 0 0 3 &gpio0 10 3>, /* INT C on slot 3 is irq 10 */
+ <0x1800 0 0 4 &gpio0 8 3>; /* INT D on slot 3 is irq 8 */
+ };
+
ethernet@c8009000 {
status = "ok";
queue-rx = <&qmgr 3>;
/ {
soc {
+ pci@c0000000 {
+ compatible = "intel,ixp42x-pci";
+ };
+
interrupt-controller@c8003000 {
compatible = "intel,ixp42x-interrupt";
};
};
soc {
+ pci@c0000000 {
+ status = "ok";
+
+ /*
+ * In the boardfile for the Cambria from OpenWRT the interrupts
+ * are assigned one per IDSEL, so all 4 interrupts from IDSEL
+ * 1 are connected to IRQ 11, all 4 interrupts from IDSEL 2
+ * connected to IRQ 10 etc. I find this highly unlikely so I
+ * have instead assumed that they are rotated (swizzled) like
+ * this with 11, 10, 9, 8 for the 4 pins on IDSEL 1 etc.
+ */
+ interrupt-map =
+ /* IDSEL 1 */
+ <0x0800 0 0 1 &gpio0 11 3>, /* INT A on slot 1 is irq 11 */
+ <0x0800 0 0 2 &gpio0 10 3>, /* INT B on slot 1 is irq 10 */
+ <0x0800 0 0 3 &gpio0 9 3>, /* INT C on slot 1 is irq 9 */
+ <0x0800 0 0 4 &gpio0 8 3>, /* INT D on slot 1 is irq 8 */
+ /* IDSEL 2 */
+ <0x1000 0 0 1 &gpio0 10 3>, /* INT A on slot 2 is irq 10 */
+ <0x1000 0 0 2 &gpio0 9 3>, /* INT B on slot 2 is irq 9 */
+ <0x1000 0 0 3 &gpio0 8 3>, /* INT C on slot 2 is irq 8 */
+ <0x1000 0 0 4 &gpio0 11 3>, /* INT D on slot 2 is irq 11 */
+ /* IDSEL 3 */
+ <0x1800 0 0 1 &gpio0 9 3>, /* INT A on slot 3 is irq 9 */
+ <0x1800 0 0 2 &gpio0 8 3>, /* INT B on slot 3 is irq 8 */
+ <0x1800 0 0 3 &gpio0 11 3>, /* INT C on slot 3 is irq 11 */
+ <0x1800 0 0 4 &gpio0 10 3>, /* INT D on slot 3 is irq 10 */
+ /* IDSEL 4 */
+ <0x2000 0 0 1 &gpio0 8 3>, /* INT A on slot 3 is irq 8 */
+ <0x2000 0 0 2 &gpio0 11 3>, /* INT B on slot 3 is irq 11 */
+ <0x2000 0 0 3 &gpio0 10 3>, /* INT C on slot 3 is irq 10 */
+ <0x2000 0 0 4 &gpio0 9 3>, /* INT D on slot 3 is irq 9 */
+ /* IDSEL 6 */
+ <0x3000 0 0 1 &gpio0 10 3>, /* INT A on slot 3 is irq 10 */
+ <0x3000 0 0 2 &gpio0 9 3>, /* INT B on slot 3 is irq 9 */
+ <0x3000 0 0 3 &gpio0 8 3>, /* INT C on slot 3 is irq 8 */
+ <0x3000 0 0 4 &gpio0 11 3>, /* INT D on slot 3 is irq 11 */
+ /* IDSEL 15 */
+ <0x7800 0 0 1 &gpio0 8 3>, /* INT A on slot 3 is irq 8 */
+ <0x7800 0 0 2 &gpio0 11 3>, /* INT B on slot 3 is irq 11 */
+ <0x7800 0 0 3 &gpio0 10 3>, /* INT C on slot 3 is irq 10 */
+ <0x7800 0 0 4 &gpio0 9 3>; /* INT D on slot 3 is irq 9 */
+ };
+
ethernet@c800a000 {
status = "ok";
queue-rx = <&qmgr 4>;
/ {
soc {
+ pci@c0000000 {
+ compatible = "intel,ixp43x-pci";
+ };
+
interrupt-controller@c8003000 {
compatible = "intel,ixp43x-interrupt";
};
interrupts = <3 IRQ_TYPE_LEVEL_HIGH>, <4 IRQ_TYPE_LEVEL_HIGH>;
};
+ pci@c0000000 {
+ /* compatible filled in by per-soc device tree */
+ reg = <0xc0000000 0x1000>;
+ interrupts = <8 IRQ_TYPE_LEVEL_HIGH>,
+ <9 IRQ_TYPE_LEVEL_HIGH>,
+ <10 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ bus-range = <0x00 0xff>;
+ status = "disabled";
+
+ ranges =
+ /*
+ * 64MB 32bit non-prefetchable memory 0x48000000-0x4bffffff
+ * done in 4 chunks of 16MB each.
+ */
+ <0x02000000 0 0x48000000 0x48000000 0 0x04000000>,
+ /* 64KB I/O space at 0x4c000000 */
+ <0x01000000 0 0x00000000 0x4c000000 0 0x00010000>;
+
+ /*
+ * This needs to map to the start of physical memory so
+ * PCI devices can see all (hopefully) memory. This is done
+ * using 4 1:1 16MB windows, so the RAM should not be more than
+ * 64 MB for this to work. If your memory is anywhere else
+ * than at 0x0 you need to alter this.
+ */
+ dma-ranges =
+ <0x02000000 0 0x00000000 0x00000000 0 0x04000000>;
+
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0xf800 0 0 7>;
+ /* Each unique DTS using PCI must specify the swizzling */
+ };
+
uart0: serial@c8000000 {
compatible = "intel,xscale-uart";
reg = <0xc8000000 0x1000>;