Contributors: 7
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Michael-Luke Jones |
193 |
63.07% |
1 |
11.11% |
| Krzysztof Hałasa |
89 |
29.08% |
2 |
22.22% |
| Thomas Gleixner |
8 |
2.61% |
2 |
22.22% |
| Russell King |
6 |
1.96% |
1 |
11.11% |
| Dmitry Eremin-Solenikov |
6 |
1.96% |
1 |
11.11% |
| Linus Walleij |
3 |
0.98% |
1 |
11.11% |
| Ralf Baechle |
1 |
0.33% |
1 |
11.11% |
| Total |
306 |
|
9 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* DSM-G600 board-level PCI initialization
*
* Copyright (C) 2006 Tower Technologies
* Author: Alessandro Zummo <a.zummo@towertech.it>
*
* based on ixdp425-pci.c:
* Copyright (C) 2002 Intel Corporation.
* Copyright (C) 2003-2004 MontaVista Software, Inc.
*
* Maintainer: http://www.nslu2-linux.org/
*/
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <asm/mach/pci.h>
#include <asm/mach-types.h>
#include "irqs.h"
#define MAX_DEV 4
#define IRQ_LINES 3
/* PCI controller GPIO to IRQ pin mappings */
#define INTA 11
#define INTB 10
#define INTC 9
#define INTD 8
#define INTE 7
#define INTF 6
void __init dsmg600_pci_preinit(void)
{
irq_set_irq_type(IXP4XX_GPIO_IRQ(INTA), IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(IXP4XX_GPIO_IRQ(INTB), IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(IXP4XX_GPIO_IRQ(INTC), IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(IXP4XX_GPIO_IRQ(INTD), IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(IXP4XX_GPIO_IRQ(INTE), IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(IXP4XX_GPIO_IRQ(INTF), IRQ_TYPE_LEVEL_LOW);
ixp4xx_pci_preinit();
}
static int __init dsmg600_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
static int pci_irq_table[MAX_DEV][IRQ_LINES] = {
{ IXP4XX_GPIO_IRQ(INTE), -1, -1 },
{ IXP4XX_GPIO_IRQ(INTA), -1, -1 },
{ IXP4XX_GPIO_IRQ(INTB), IXP4XX_GPIO_IRQ(INTC),
IXP4XX_GPIO_IRQ(INTD) },
{ IXP4XX_GPIO_IRQ(INTF), -1, -1 },
};
if (slot >= 1 && slot <= MAX_DEV && pin >= 1 && pin <= IRQ_LINES)
return pci_irq_table[slot - 1][pin - 1];
return -1;
}
struct hw_pci __initdata dsmg600_pci = {
.nr_controllers = 1,
.ops = &ixp4xx_ops,
.preinit = dsmg600_pci_preinit,
.setup = ixp4xx_setup,
.map_irq = dsmg600_map_irq,
};
int __init dsmg600_pci_init(void)
{
if (machine_is_dsmg600())
pci_common_init(&dsmg600_pci);
return 0;
}
subsys_initcall(dsmg600_pci_init);