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Diffstat (limited to 'arch/arm/mach-footbridge/cats-pci.c')
-rw-r--r--arch/arm/mach-footbridge/cats-pci.c64
1 files changed, 0 insertions, 64 deletions
diff --git a/arch/arm/mach-footbridge/cats-pci.c b/arch/arm/mach-footbridge/cats-pci.c
deleted file mode 100644
index 90b1e9be430e..000000000000
--- a/arch/arm/mach-footbridge/cats-pci.c
+++ /dev/null
@@ -1,64 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/arm/mach-footbridge/cats-pci.c
- *
- * PCI bios-type initialisation for PCI machines
- *
- * Bits taken from various places.
- */
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/init.h>
-
-#include <asm/irq.h>
-#include <asm/mach/pci.h>
-#include <asm/mach-types.h>
-
-/* cats host-specific stuff */
-static int irqmap_cats[] = { IRQ_PCI, IRQ_IN0, IRQ_IN1, IRQ_IN3 };
-
-static u8 cats_no_swizzle(struct pci_dev *dev, u8 *pin)
-{
- return 0;
-}
-
-static int cats_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
- if (dev->irq >= 255)
- return -1; /* not a valid interrupt. */
-
- if (dev->irq >= 128)
- return dev->irq & 0x1f;
-
- if (dev->irq >= 1 && dev->irq <= 4)
- return irqmap_cats[dev->irq - 1];
-
- if (dev->irq != 0)
- printk("PCI: device %02x:%02x has unknown irq line %x\n",
- dev->bus->number, dev->devfn, dev->irq);
-
- return -1;
-}
-
-/*
- * why not the standard PCI swizzle? does this prevent 4-port tulip
- * cards being used (ie, pci-pci bridge based cards)?
- */
-static struct hw_pci cats_pci __initdata = {
- .swizzle = cats_no_swizzle,
- .map_irq = cats_map_irq,
- .nr_controllers = 1,
- .ops = &dc21285_ops,
- .setup = dc21285_setup,
- .preinit = dc21285_preinit,
- .postinit = dc21285_postinit,
-};
-
-static int __init cats_pci_init(void)
-{
- if (machine_is_cats())
- pci_common_init(&cats_pci);
- return 0;
-}
-
-subsys_initcall(cats_pci_init);