pci-lasat.c
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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2000, 2001, 04 Keith M Wesolowski
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/types.h>
#include <asm/lasat/lasat.h>
#include <irq.h>
extern struct pci_ops nile4_pci_ops;
extern struct pci_ops gt64xxx_pci0_ops;
static struct resource lasat_pci_mem_resource = {
.name = "LASAT PCI MEM",
.start = 0x18000000,
.end = 0x19ffffff,
.flags = IORESOURCE_MEM,
};
static struct resource lasat_pci_io_resource = {
.name = "LASAT PCI IO",
.start = 0x1a000000,
.end = 0x1bffffff,
.flags = IORESOURCE_IO,
};
static struct pci_controller lasat_pci_controller = {
.mem_resource = &lasat_pci_mem_resource,
.io_resource = &lasat_pci_io_resource,
};
static int __init lasat_pci_setup(void)
{
printk(KERN_DEBUG "PCI: starting\n");
if (IS_LASAT_200())
lasat_pci_controller.pci_ops = &nile4_pci_ops;
else
lasat_pci_controller.pci_ops = >64xxx_pci0_ops;
register_pci_controller(&lasat_pci_controller);
return 0;
}
arch_initcall(lasat_pci_setup);
#define LASAT_IRQ_ETH1 (LASAT_IRQ_BASE + 0)
#define LASAT_IRQ_ETH0 (LASAT_IRQ_BASE + 1)
#define LASAT_IRQ_HDC (LASAT_IRQ_BASE + 2)
#define LASAT_IRQ_COMP (LASAT_IRQ_BASE + 3)
#define LASAT_IRQ_HDLC (LASAT_IRQ_BASE + 4)
#define LASAT_IRQ_PCIA (LASAT_IRQ_BASE + 5)
#define LASAT_IRQ_PCIB (LASAT_IRQ_BASE + 6)
#define LASAT_IRQ_PCIC (LASAT_IRQ_BASE + 7)
#define LASAT_IRQ_PCID (LASAT_IRQ_BASE + 8)
int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
switch (slot) {
case 1:
case 2:
case 3:
return LASAT_IRQ_PCIA + (((slot-1) + (pin-1)) % 4);
case 4:
return LASAT_IRQ_ETH1; /* Ethernet 1 (LAN 2) */
case 5:
return LASAT_IRQ_ETH0; /* Ethernet 0 (LAN 1) */
case 6:
return LASAT_IRQ_HDC; /* IDE controller */
default:
return 0xff; /* Illegal */
}
return -1;
}
/* Do platform specific device initialization at pci_enable_device() time */
int pcibios_plat_dev_init(struct pci_dev *dev)
{
return 0;
}