Release 4.17 arch/arm/mach-ixp4xx/fsg-pci.c
/*
* arch/arch/mach-ixp4xx/fsg-pci.c
*
* FSG board-level PCI initialization
*
* Author: Rod Whitby <rod@whitby.id.au>
* Maintainer: http://www.nslu2-linux.org/
*
* based on ixdp425-pci.c:
* Copyright (C) 2002 Intel Corporation.
* Copyright (C) 2003-2004 MontaVista Software, Inc.
*
* 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.
*
*/
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <asm/mach/pci.h>
#include <asm/mach-types.h>
#define MAX_DEV 3
#define IRQ_LINES 3
/* PCI controller GPIO to IRQ pin mappings */
#define INTA 6
#define INTB 7
#define INTC 5
void __init fsg_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);
ixp4xx_pci_preinit();
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rod Whitby | 23 | 56.10% | 1 | 25.00% |
| Krzysztof Hałasa | 12 | 29.27% | 1 | 25.00% |
| Dmitry Baryshkov | 3 | 7.32% | 1 | 25.00% |
| Thomas Gleixner | 3 | 7.32% | 1 | 25.00% |
| Total | 41 | 100.00% | 4 | 100.00% |
static int __init fsg_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
static int pci_irq_table[IRQ_LINES] = {
IXP4XX_GPIO_IRQ(INTC),
IXP4XX_GPIO_IRQ(INTB),
IXP4XX_GPIO_IRQ(INTA),
};
int irq = -1;
slot -= 11;
if (slot >= 1 && slot <= MAX_DEV && pin >= 1 && pin <= IRQ_LINES)
irq = pci_irq_table[slot - 1];
printk(KERN_INFO "%s: Mapped slot %d pin %d to IRQ %d\n",
__func__, slot, pin, irq);
return irq;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rod Whitby | 80 | 82.47% | 1 | 33.33% |
| Krzysztof Hałasa | 16 | 16.49% | 1 | 33.33% |
| Ralf Bächle | 1 | 1.03% | 1 | 33.33% |
| Total | 97 | 100.00% | 3 | 100.00% |
struct hw_pci fsg_pci __initdata = {
.nr_controllers = 1,
.ops = &ixp4xx_ops,
.preinit = fsg_pci_preinit,
.setup = ixp4xx_setup,
.map_irq = fsg_map_irq,
};
int __init fsg_pci_init(void)
{
if (machine_is_fsg())
pci_common_init(&fsg_pci);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rod Whitby | 22 | 100.00% | 1 | 100.00% |
| Total | 22 | 100.00% | 1 | 100.00% |
subsys_initcall(fsg_pci_init);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rod Whitby | 173 | 73.62% | 1 | 14.29% |
| Krzysztof Hałasa | 49 | 20.85% | 2 | 28.57% |
| Russell King | 6 | 2.55% | 1 | 14.29% |
| Thomas Gleixner | 3 | 1.28% | 1 | 14.29% |
| Dmitry Baryshkov | 3 | 1.28% | 1 | 14.29% |
| Ralf Bächle | 1 | 0.43% | 1 | 14.29% |
| Total | 235 | 100.00% | 7 | 100.00% |
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