IXP4xx: move NSLU2 platform macros to the platform code.

Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
diff --git a/arch/arm/mach-ixp4xx/nslu2-pci.c b/arch/arm/mach-ixp4xx/nslu2-pci.c
index 4429b84..9665bb0 100644
--- a/arch/arm/mach-ixp4xx/nslu2-pci.c
+++ b/arch/arm/mach-ixp4xx/nslu2-pci.c
@@ -18,10 +18,21 @@
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <linux/irq.h>
-
 #include <asm/mach/pci.h>
 #include <asm/mach-types.h>
 
+#define NSLU2_PCI_MAX_DEV	3
+#define NSLU2_PCI_IRQ_LINES	3
+
+/* PCI controller GPIO to IRQ pin mappings */
+#define NSLU2_PCI_INTA_PIN	11
+#define NSLU2_PCI_INTB_PIN	10
+#define NSLU2_PCI_INTC_PIN	9
+#define NSLU2_PCI_INTD_PIN	8
+#define IRQ_NSLU2_PCI_INTA      IRQ_IXP4XX_GPIO11
+#define IRQ_NSLU2_PCI_INTB      IRQ_IXP4XX_GPIO10
+#define IRQ_NSLU2_PCI_INTC      IRQ_IXP4XX_GPIO9
+
 void __init nslu2_pci_preinit(void)
 {
 	set_irq_type(IRQ_NSLU2_PCI_INTA, IRQ_TYPE_LEVEL_LOW);