[MIPS] TXx9: Reorganize PCI code

[linux-2.6-omap-h63xx.git] / arch / mips / pci / fixup-rbtx4938.c

diff --git a/arch/mips/pci/fixup-rbtx4938.c b/arch/mips/pci/fixup-rbtx4938.c
index 64d4510c026562e745ee2760ca1b93e60328f38b..39c995830384b364e221f715ec2e771446891825 100644 (file)
--- a/arch/mips/pci/fixup-rbtx4938.c
+++ b/arch/mips/pci/fixup-rbtx4938.c
@@ -10,45 +10,28 @@
  * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
  */
 #include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-
+#include <asm/txx9/pci.h>
 #include <asm/txx9/rbtx4938.h>
 
-extern struct pci_controller tx4938_pci_controller[];
-
-static int pci_get_irq(const struct pci_dev *dev, int pin)
+int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
-       int irq = pin;
-       u8 slot = PCI_SLOT(dev->devfn);
-       struct pci_controller *controller = (struct pci_controller *)dev->sysdata;
-
-       if (controller == &tx4938_pci_controller[1]) {
-               /* TX4938 PCIC1 */
-               switch (slot) {
-               case TX4938_PCIC_IDSEL_AD_TO_SLOT(31):
-                       if (tx4938_ccfgptr->pcfg & TX4938_PCFG_ETH0_SEL)
-                               return RBTX4938_IRQ_IRC + TX4938_IR_ETH0;
-                       break;
-               case TX4938_PCIC_IDSEL_AD_TO_SLOT(30):
-                       if (tx4938_ccfgptr->pcfg & TX4938_PCFG_ETH1_SEL)
-                               return RBTX4938_IRQ_IRC + TX4938_IR_ETH1;
-                       break;
-               }
-               return 0;
-       }
+       int irq = tx4938_pcic1_map_irq(dev, slot);
 
+       if (irq >= 0)
+               return irq;
+       irq = pin;
        /* IRQ rotation */
        irq--;  /* 0-3 */
-       if (dev->bus->parent == NULL &&
-           (slot == TX4938_PCIC_IDSEL_AD_TO_SLOT(23))) {
+       if (slot == TX4927_PCIC_IDSEL_AD_TO_SLOT(23)) {
                /* PCI CardSlot (IDSEL=A23) */
                /* PCIA => PCIA (IDSEL=A23) */
                irq = (irq + 0 + slot) % 4;
        } else {
                /* PCI Backplane */
-               irq = (irq + 33 - slot) % 4;
+               if (txx9_pci_option & TXX9_PCI_OPT_PICMG)
+                       irq = (irq + 33 - slot) % 4;
+               else
+                       irq = (irq + 3 + slot) % 4;
        }
        irq++;  /* 1-4 */
 
@@ -69,19 +52,6 @@ static int pci_get_irq(const struct pci_dev *dev, int pin)
        return irq;
 }
 
-int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
-       unsigned char irq = 0;
-
-       irq = pci_get_irq(dev, pin);
-
-       printk(KERN_INFO "PCI: 0x%02x:0x%02x(0x%02x,0x%02x) IRQ=%d\n",
-              dev->bus->number, dev->devfn, PCI_SLOT(dev->devfn),
-              PCI_FUNC(dev->devfn), irq);
-
-       return irq;
-}
-
 /*
  * Do platform specific device initialization at pci_enable_device() time
  */