include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...

[safe/jmp/linux-2.6] / arch / mips / pci / fixup-rbtx4927.c

diff --git a/arch/mips/pci/fixup-rbtx4927.c b/arch/mips/pci/fixup-rbtx4927.c
index 7450c33..321db26 100644 (file)
--- a/arch/mips/pci/fixup-rbtx4927.c
+++ b/arch/mips/pci/fixup-rbtx4927.c
@@ -33,108 +33,41 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
 #include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
+#include <asm/txx9/pci.h>
+#include <asm/txx9/rbtx4927.h>
 
-#include <asm/tx4927/tx4927.h>
-#include <asm/tx4927/tx4927_pci.h>
-
-#undef  DEBUG
-#ifdef  DEBUG
-#define DBG(x...)       printk(x)
-#else
-#define DBG(x...)
-#endif
-
-/* look up table for backplane pci irq for slots 17-20 by pin # */
-static unsigned char backplane_pci_irq[4][4] = {
-       /* PJ6 SLOT:  17, PIN: 1 */ {TX4927_IRQ_IOC_PCIA,
-                                    /* PJ6 SLOT:  17, PIN: 2 */
-                                    TX4927_IRQ_IOC_PCIB,
-                                    /* PJ6 SLOT:  17, PIN: 3 */
-                                    TX4927_IRQ_IOC_PCIC,
-                                    /* PJ6 SLOT:  17, PIN: 4 */
-                                    TX4927_IRQ_IOC_PCID},
-       /* SB  SLOT:  18, PIN: 1 */ {TX4927_IRQ_IOC_PCIB,
-                                    /* SB  SLOT:  18, PIN: 2 */
-                                    TX4927_IRQ_IOC_PCIC,
-                                    /* SB  SLOT:  18, PIN: 3 */
-                                    TX4927_IRQ_IOC_PCID,
-                                    /* SB  SLOT:  18, PIN: 4 */
-                                    TX4927_IRQ_IOC_PCIA},
-       /* PJ5 SLOT:  19, PIN: 1 */ {TX4927_IRQ_IOC_PCIC,
-                                    /* PJ5 SLOT:  19, PIN: 2 */
-                                    TX4927_IRQ_IOC_PCID,
-                                    /* PJ5 SLOT:  19, PIN: 3 */
-                                    TX4927_IRQ_IOC_PCIA,
-                                    /* PJ5 SLOT:  19, PIN: 4 */
-                                    TX4927_IRQ_IOC_PCIB},
-       /* PJ4 SLOT:  20, PIN: 1 */ {TX4927_IRQ_IOC_PCID,
-                                    /* PJ4 SLOT:  20, PIN: 2 */
-                                    TX4927_IRQ_IOC_PCIA,
-                                    /* PJ4 SLOT:  20, PIN: 3 */
-                                    TX4927_IRQ_IOC_PCIB,
-                                    /* PJ4 SLOT:  20, PIN: 4 */
-                                    TX4927_IRQ_IOC_PCIC}
-};
-
-static int pci_get_irq(const struct pci_dev *dev, int pin)
+int __init rbtx4927_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
        unsigned char irq = pin;
 
-       DBG("pci_get_irq: pin is %d\n", pin);
        /* IRQ rotation */
        irq--;                  /* 0-3 */
-       if (dev->bus->parent == NULL &&
-           PCI_SLOT(dev->devfn) == TX4927_PCIC_IDSEL_AD_TO_SLOT(23)) {
-               printk("Onboard PCI_SLOT(dev->devfn) is %d\n",
-                      PCI_SLOT(dev->devfn));
-               /* IDSEL=A23 is tx4927 onboard pci slot */
-               irq = (irq + PCI_SLOT(dev->devfn)) % 4;
-               irq++;          /* 1-4 */
-               DBG("irq is now %d\n", irq);
-
-               switch (irq) {
-               case 1:
-                       irq = TX4927_IRQ_IOC_PCIA;
-                       break;
-               case 2:
-                       irq = TX4927_IRQ_IOC_PCIB;
-                       break;
-               case 3:
-                       irq = TX4927_IRQ_IOC_PCIC;
-                       break;
-               case 4:
-                       irq = TX4927_IRQ_IOC_PCID;
-                       break;
-               }
+       if (slot == TX4927_PCIC_IDSEL_AD_TO_SLOT(23)) {
+               /* PCI CardSlot (IDSEL=A23) */
+               /* PCIA => PCIA */
+               irq = (irq + 0 + slot) % 4;
        } else {
                /* PCI Backplane */
-               DBG("PCI Backplane PCI_SLOT(dev->devfn) is %d\n",
-                   PCI_SLOT(dev->devfn));
-               irq = backplane_pci_irq[PCI_SLOT(dev->devfn) - 17][irq];
+               if (txx9_pci_option & TXX9_PCI_OPT_PICMG)
+                       irq = (irq + 33 - slot) % 4;
+               else
+                       irq = (irq + 3 + slot) % 4;
        }
-       DBG("assigned irq %d\n", irq);
-       return irq;
-}
-
-int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
-       unsigned char irq;
-
-       printk("PCI Setup for pin %d \n", pin);
-
-       if (dev->device == 0x9130) /* IDE */
-               irq = 14;
-       else
-               irq = pci_get_irq(dev, pin);
+       irq++;  /* 1-4 */
 
+       switch (irq) {
+       case 1:
+               irq = RBTX4927_IRQ_IOC_PCIA;
+               break;
+       case 2:
+               irq = RBTX4927_IRQ_IOC_PCIB;
+               break;
+       case 3:
+               irq = RBTX4927_IRQ_IOC_PCIC;
+               break;
+       case 4:
+               irq = RBTX4927_IRQ_IOC_PCID;
+               break;
+       }
        return irq;
 }
-
-/* Do platform specific device initialization at pci_enable_device() time */
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
-       return 0;
-}