57c8cb8f24
Implement support for OF inside the lantiq PCI driver. The patch also splits pcibios_plat_dev_init and pcibios_map_irq out into their own file to accomodate coexistance with the upcoming pcie driver. Signed-off-by: John Crispin <blogic@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3806/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
40 lines
1 KiB
C
40 lines
1 KiB
C
/*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as published
|
|
* by the Free Software Foundation.
|
|
*
|
|
* Copyright (C) 2012 John Crispin <blogic@openwrt.org>
|
|
*/
|
|
|
|
#include <linux/of_irq.h>
|
|
#include <linux/of_pci.h>
|
|
|
|
int (*ltq_pci_plat_arch_init)(struct pci_dev *dev) = NULL;
|
|
int (*ltq_pci_plat_dev_init)(struct pci_dev *dev) = NULL;
|
|
|
|
int pcibios_plat_dev_init(struct pci_dev *dev)
|
|
{
|
|
if (ltq_pci_plat_arch_init)
|
|
return ltq_pci_plat_arch_init(dev);
|
|
|
|
if (ltq_pci_plat_dev_init)
|
|
return ltq_pci_plat_dev_init(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
|
|
{
|
|
struct of_irq dev_irq;
|
|
int irq;
|
|
|
|
if (of_irq_map_pci(dev, &dev_irq)) {
|
|
dev_err(&dev->dev, "trying to map irq for unknown slot:%d pin:%d\n",
|
|
slot, pin);
|
|
return 0;
|
|
}
|
|
irq = irq_create_of_mapping(dev_irq.controller, dev_irq.specifier,
|
|
dev_irq.size);
|
|
dev_info(&dev->dev, "SLOT:%d PIN:%d IRQ:%d\n", slot, pin, irq);
|
|
return irq;
|
|
}
|