Merge branch 'for-linus' of git://neil.brown.name/md

[pandora-kernel.git] / arch / mips / pci / fixup-jmr3927.c

diff --git a/arch/mips/pci/fixup-jmr3927.c b/arch/mips/pci/fixup-jmr3927.c
index 6e72d21..0f10695 100644 (file)
--- a/arch/mips/pci/fixup-jmr3927.c
+++ b/arch/mips/pci/fixup-jmr3927.c
@@ -28,37 +28,31 @@
  *  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/jmr3927.h>
 
-#include <asm/jmr3927/jmr3927.h>
-
-int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+int __init jmr3927_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
        unsigned char irq = pin;
 
-       /* SMSC SLC90E66 IDE uses irq 14, 15 (default) */
-       if (dev->vendor == PCI_VENDOR_ID_EFAR &&
-           dev->device == PCI_DEVICE_ID_EFAR_SLC90E66_1)
-               return irq;
        /* IRQ rotation (PICMG) */
        irq--;                  /* 0-3 */
-       if (dev->bus->parent == NULL &&
-           slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(23)) {
+       if (slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(23)) {
                /* PCI CardSlot (IDSEL=A23, DevNu=12) */
                /* PCIA => PCIC (IDSEL=A23) */
                /* NOTE: JMR3927 JP1 must be set to OPEN */
                irq = (irq + 2) % 4;
-       } else if (dev->bus->parent == NULL &&
-                  slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(22)) {
+       } else if (slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(22)) {
                /* PCI CardSlot (IDSEL=A22, DevNu=11) */
                /* PCIA => PCIA (IDSEL=A22) */
                /* NOTE: JMR3927 JP1 must be set to OPEN */
                irq = (irq + 0) % 4;
        } else {
                /* PCI Backplane */
-               irq = (irq + 3 + slot) % 4;
+               if (txx9_pci_option & TXX9_PCI_OPT_PICMG)
+                       irq = (irq + 33 - slot) % 4;
+               else
+                       irq = (irq + 3 + slot) % 4;
        }
        irq++;                  /* 1-4 */
 
@@ -67,33 +61,19 @@ int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
                irq = JMR3927_IRQ_IOC_PCIA;
                break;
        case 2:
-               // wrong for backplane irq = JMR3927_IRQ_IOC_PCIB;
-               irq = JMR3927_IRQ_IOC_PCID;
+               irq = JMR3927_IRQ_IOC_PCIB;
                break;
        case 3:
                irq = JMR3927_IRQ_IOC_PCIC;
                break;
        case 4:
-               // wrong for backplane irq = JMR3927_IRQ_IOC_PCID;
-               irq = JMR3927_IRQ_IOC_PCIB;
+               irq = JMR3927_IRQ_IOC_PCID;
                break;
        }
 
        /* Check OnBoard Ethernet (IDSEL=A24, DevNu=13) */
        if (dev->bus->parent == NULL &&
-           slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(24)) {
-               extern int jmr3927_ether1_irq;
-               /* check this irq line was reserved for ether1 */
-               if (jmr3927_ether1_irq != JMR3927_IRQ_ETHER0)
-                       irq = JMR3927_IRQ_ETHER0;
-               else
-                       irq = 0;        /* disable */
-       }
+           slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(24))
+               irq = JMR3927_IRQ_ETHER0;
        return irq;
 }
-
-/* Do platform specific device initialization at pci_enable_device() time */
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
-       return 0;
-}