| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * arch/sh/drivers/pci/ops-titan.c |
| 4 | * |
| 5 | * Ported to new API by Paul Mundt <lethal@linux-sh.org> |
| 6 | * |
| 7 | * Modified from ops-snapgear.c written by David McCullough |
| 8 | * Highly leveraged from pci-bigsur.c, written by Dustin McIntire. |
| 9 | * |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 10 | * PCI initialization for the Titan boards |
| 11 | */ |
| 12 | #include <linux/kernel.h> |
| 13 | #include <linux/types.h> |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/pci.h> |
| 16 | #include <linux/io.h> |
| 17 | #include <mach/titan.h> |
| 18 | #include "pci-sh4.h" |
| 19 | |
| 20 | static char titan_irq_tab[] = { |
| 21 | TITAN_IRQ_WAN, |
| 22 | TITAN_IRQ_LAN, |
| 23 | TITAN_IRQ_MPCIA, |
| 24 | TITAN_IRQ_MPCIB, |
| 25 | TITAN_IRQ_USB, |
| 26 | }; |
| 27 | |
| 28 | int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin) |
| 29 | { |
| 30 | int irq = titan_irq_tab[slot]; |
| 31 | |
| 32 | printk("PCI: Mapping TITAN IRQ for slot %d, pin %c to irq %d\n", |
| 33 | slot, pin - 1 + 'A', irq); |
| 34 | |
| 35 | return irq; |
| 36 | } |