mirror of https://github.com/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.
62 lines
1.3 KiB
62 lines
1.3 KiB
// SPDX-License-Identifier: GPL-2.0 |
|
/* |
|
* linux/arch/arm/mach-footbridge/netwinder-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> |
|
|
|
/* |
|
* We now use the slot ID instead of the device identifiers to select |
|
* which interrupt is routed where. |
|
*/ |
|
static int netwinder_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
|
{ |
|
switch (slot) { |
|
case 0: /* host bridge */ |
|
return 0; |
|
|
|
case 9: /* CyberPro */ |
|
return IRQ_NETWINDER_VGA; |
|
|
|
case 10: /* DC21143 */ |
|
return IRQ_NETWINDER_ETHER100; |
|
|
|
case 12: /* Winbond 553 */ |
|
return IRQ_ISA_HARDDISK1; |
|
|
|
case 13: /* Winbond 89C940F */ |
|
return IRQ_NETWINDER_ETHER10; |
|
|
|
default: |
|
printk(KERN_ERR "PCI: unknown device in slot %s\n", |
|
pci_name(dev)); |
|
return 0; |
|
} |
|
} |
|
|
|
static struct hw_pci netwinder_pci __initdata = { |
|
.map_irq = netwinder_map_irq, |
|
.nr_controllers = 1, |
|
.ops = &dc21285_ops, |
|
.setup = dc21285_setup, |
|
.preinit = dc21285_preinit, |
|
.postinit = dc21285_postinit, |
|
}; |
|
|
|
static int __init netwinder_pci_init(void) |
|
{ |
|
if (machine_is_netwinder()) |
|
pci_common_init(&netwinder_pci); |
|
return 0; |
|
} |
|
|
|
subsys_initcall(netwinder_pci_init);
|
|
|