[deliverable/linux.git] / arch / mips / pci / pci-lasat.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/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 = &gt64xxx_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;
}
Commit	Line	Data
1f21d2bd BM	1	/*
	2	* This file is subject to the terms and conditions of the GNU General Public
	3	* License. See the file "COPYING" in the main directory of this archive
	4	* for more details.
	5	*
	6	* Copyright (C) 2000, 2001, 04 Keith M Wesolowski
	7	*/
1f21d2bd	8	#include <linux/init.h>
89becf5c	9	#include <linux/kernel.h>
1f21d2bd BM	10	#include <linux/pci.h>
1f21d2bd BM	11	#include <linux/types.h>
89becf5c	12
b27418aa	13	#include <asm/lasat/lasat.h>
89becf5c YY	14
89becf5c YY	15	#include <irq.h>
1f21d2bd BM	16
	17	extern struct pci_ops nile4_pci_ops;
	18	extern struct pci_ops gt64xxx_pci0_ops;
	19	static struct resource lasat_pci_mem_resource = {
	20	.name = "LASAT PCI MEM",
	21	.start = 0x18000000,
	22	.end = 0x19ffffff,
	23	.flags = IORESOURCE_MEM,
	24	};
	25
	26	static struct resource lasat_pci_io_resource = {
	27	.name = "LASAT PCI IO",
	28	.start = 0x1a000000,
	29	.end = 0x1bffffff,
	30	.flags = IORESOURCE_IO,
	31	};
	32
	33	static struct pci_controller lasat_pci_controller = {
	34	.mem_resource = &lasat_pci_mem_resource,
	35	.io_resource = &lasat_pci_io_resource,
	36	};
	37
	38	static int __init lasat_pci_setup(void)
	39	{
	40	printk(KERN_DEBUG "PCI: starting\n");
	41
b27418aa	42	if (IS_LASAT_200())
1f21d2bd	43	lasat_pci_controller.pci_ops = &nile4_pci_ops;
b27418aa TB	44	else
b27418aa TB	45	lasat_pci_controller.pci_ops = &gt64xxx_pci0_ops;
1f21d2bd BM	46
	47	register_pci_controller(&lasat_pci_controller);
	48
	49	return 0;
	50	}
	51
	52	arch_initcall(lasat_pci_setup);
	53
70342287 RB	54	#define LASAT_IRQ_ETH1 (LASAT_IRQ_BASE + 0)
	55	#define LASAT_IRQ_ETH0 (LASAT_IRQ_BASE + 1)
	56	#define LASAT_IRQ_HDC (LASAT_IRQ_BASE + 2)
	57	#define LASAT_IRQ_COMP (LASAT_IRQ_BASE + 3)
	58	#define LASAT_IRQ_HDLC (LASAT_IRQ_BASE + 4)
	59	#define LASAT_IRQ_PCIA (LASAT_IRQ_BASE + 5)
	60	#define LASAT_IRQ_PCIB (LASAT_IRQ_BASE + 6)
	61	#define LASAT_IRQ_PCIC (LASAT_IRQ_BASE + 7)
	62	#define LASAT_IRQ_PCID (LASAT_IRQ_BASE + 8)
1f21d2bd BM	63
	64	int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
	65	{
	66	switch (slot) {
	67	case 1:
	68	case 2:
	69	case 3:
89becf5c	70	return LASAT_IRQ_PCIA + (((slot-1) + (pin-1)) % 4);
1f21d2bd	71	case 4:
70342287	72	return LASAT_IRQ_ETH1; /* Ethernet 1 (LAN 2) */
1f21d2bd	73	case 5:
70342287	74	return LASAT_IRQ_ETH0; /* Ethernet 0 (LAN 1) */
1f21d2bd	75	case 6:
70342287	76	return LASAT_IRQ_HDC; /* IDE controller */
1f21d2bd	77	default:
70342287	78	return 0xff; /* Illegal */
1f21d2bd BM	79	}
	80
	81	return -1;
	82	}
	83
	84	/* Do platform specific device initialization at pci_enable_device() time */
	85	int pcibios_plat_dev_init(struct pci_dev *dev)
	86	{
	87	return 0;
	88	}