forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.1 KiB
48 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0 |
|
/* |
|
* linux/arch/arm/mach-footbridge/ebsa285-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> |
|
|
|
static int irqmap_ebsa285[] = { IRQ_IN3, IRQ_IN1, IRQ_IN0, IRQ_PCI }; |
|
|
|
static int ebsa285_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
|
{ |
|
if (dev->vendor == PCI_VENDOR_ID_CONTAQ && |
|
dev->device == PCI_DEVICE_ID_CONTAQ_82C693) |
|
switch (PCI_FUNC(dev->devfn)) { |
|
case 1: return 14; |
|
case 2: return 15; |
|
case 3: return 12; |
|
} |
|
|
|
return irqmap_ebsa285[(slot + pin) & 3]; |
|
} |
|
|
|
static struct hw_pci ebsa285_pci __initdata = { |
|
.map_irq = ebsa285_map_irq, |
|
.nr_controllers = 1, |
|
.ops = &dc21285_ops, |
|
.setup = dc21285_setup, |
|
.preinit = dc21285_preinit, |
|
.postinit = dc21285_postinit, |
|
}; |
|
|
|
static int __init ebsa285_init_pci(void) |
|
{ |
|
if (machine_is_ebsa285()) |
|
pci_common_init(&ebsa285_pci); |
|
return 0; |
|
} |
|
|
|
subsys_initcall(ebsa285_init_pci);
|
|
|