projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 1da177e4 LT |
2 | /* |
| 3 | * linux/arch/arm/mach-footbridge/ebsa285-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 | ||
| 30e3b4f2 | 17 | static int irqmap_ebsa285[] = { IRQ_IN3, IRQ_IN1, IRQ_IN0, IRQ_PCI }; |
| 1da177e4 | 18 | |
| 30e3b4f2 | 19 | static int ebsa285_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
| 1da177e4 LT |
20 | { |
| 21 | if (dev->vendor == PCI_VENDOR_ID_CONTAQ && | |
| 22 | dev->device == PCI_DEVICE_ID_CONTAQ_82C693) | |
| 23 | switch (PCI_FUNC(dev->devfn)) { | |
| 49b95e28 AG |
24 | case 1: return 14; |
| 25 | case 2: return 15; | |
| 26 | case 3: return 12; | |
| 1da177e4 LT |
27 | } |
| 28 | ||
| 29 | return irqmap_ebsa285[(slot + pin) & 3]; | |
| 30 | } | |
| 31 | ||
| 32 | static struct hw_pci ebsa285_pci __initdata = { | |
| 1da177e4 LT |
33 | .map_irq = ebsa285_map_irq, |
| 34 | .nr_controllers = 1, | |
| c23bfc38 | 35 | .ops = &dc21285_ops, |
| 1da177e4 | 36 | .setup = dc21285_setup, |
| 1da177e4 LT |
37 | .preinit = dc21285_preinit, |
| 38 | .postinit = dc21285_postinit, | |
| 39 | }; | |
| 40 | ||
| 41 | static int __init ebsa285_init_pci(void) | |
| 42 | { | |
| 43 | if (machine_is_ebsa285()) | |
| 44 | pci_common_init(&ebsa285_pci); | |
| 45 | return 0; | |
| 46 | } | |
| 47 | ||
| 48 | subsys_initcall(ebsa285_init_pci); |