cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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netwinder-pci.c (1296B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * linux/arch/arm/mach-footbridge/netwinder-pci.c
      4 *
      5 * PCI bios-type initialisation for PCI machines
      6 *
      7 * Bits taken from various places.
      8 */
      9#include <linux/kernel.h>
     10#include <linux/pci.h>
     11#include <linux/init.h>
     12
     13#include <asm/irq.h>
     14#include <asm/mach/pci.h>
     15#include <asm/mach-types.h>
     16
     17/*
     18 * We now use the slot ID instead of the device identifiers to select
     19 * which interrupt is routed where.
     20 */
     21static int netwinder_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
     22{
     23	switch (slot) {
     24	case 0:  /* host bridge */
     25		return 0;
     26
     27	case 9:  /* CyberPro */
     28		return IRQ_NETWINDER_VGA;
     29
     30	case 10: /* DC21143 */
     31		return IRQ_NETWINDER_ETHER100;
     32
     33	case 12: /* Winbond 553 */
     34		return IRQ_ISA_HARDDISK1;
     35
     36	case 13: /* Winbond 89C940F */
     37		return IRQ_NETWINDER_ETHER10;
     38
     39	default:
     40		printk(KERN_ERR "PCI: unknown device in slot %s\n",
     41			pci_name(dev));
     42		return 0;
     43	}
     44}
     45
     46static struct hw_pci netwinder_pci __initdata = {
     47	.map_irq		= netwinder_map_irq,
     48	.nr_controllers		= 1,
     49	.ops			= &dc21285_ops,
     50	.setup			= dc21285_setup,
     51	.preinit		= dc21285_preinit,
     52	.postinit		= dc21285_postinit,
     53};
     54
     55static int __init netwinder_pci_init(void)
     56{
     57	if (machine_is_netwinder())
     58		pci_common_init(&netwinder_pci);
     59	return 0;
     60}
     61
     62subsys_initcall(netwinder_pci_init);