mirror of
https://github.com/torvalds/linux.git
synced 2024-11-17 09:31:50 +00:00
93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
|
|
* 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/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/types.h>
|
|
#include <asm/bootinfo.h>
|
|
#include <asm/lasat/lasatint.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");
|
|
|
|
switch (mips_machtype) {
|
|
case MACH_LASAT_100:
|
|
lasat_pci_controller.pci_ops = >64xxx_pci0_ops;
|
|
break;
|
|
case MACH_LASAT_200:
|
|
lasat_pci_controller.pci_ops = &nile4_pci_ops;
|
|
break;
|
|
default:
|
|
panic("pcibios_init: mips_machtype incorrect");
|
|
}
|
|
|
|
register_pci_controller(&lasat_pci_controller);
|
|
|
|
return 0;
|
|
}
|
|
|
|
arch_initcall(lasat_pci_setup);
|
|
|
|
#define LASATINT_ETH1 (LASATINT_BASE + 0)
|
|
#define LASATINT_ETH0 (LASATINT_BASE + 1)
|
|
#define LASATINT_HDC (LASATINT_BASE + 2)
|
|
#define LASATINT_COMP (LASATINT_BASE + 3)
|
|
#define LASATINT_HDLC (LASATINT_BASE + 4)
|
|
#define LASATINT_PCIA (LASATINT_BASE + 5)
|
|
#define LASATINT_PCIB (LASATINT_BASE + 6)
|
|
#define LASATINT_PCIC (LASATINT_BASE + 7)
|
|
#define LASATINT_PCID (LASATINT_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 LASATINT_PCIA + (((slot-1) + (pin-1)) % 4);
|
|
case 4:
|
|
return LASATINT_ETH1; /* Ethernet 1 (LAN 2) */
|
|
case 5:
|
|
return LASATINT_ETH0; /* Ethernet 0 (LAN 1) */
|
|
case 6:
|
|
return LASATINT_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;
|
|
}
|