From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- arch/sh/drivers/pci/fixups-snapgear.c | 39 +++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 arch/sh/drivers/pci/fixups-snapgear.c (limited to 'arch/sh/drivers/pci/fixups-snapgear.c') diff --git a/arch/sh/drivers/pci/fixups-snapgear.c b/arch/sh/drivers/pci/fixups-snapgear.c new file mode 100644 index 00000000..6e33ba4c --- /dev/null +++ b/arch/sh/drivers/pci/fixups-snapgear.c @@ -0,0 +1,39 @@ +/* + * arch/sh/drivers/pci/ops-snapgear.c + * + * Author: David McCullough + * + * Ported to new API by Paul Mundt + * + * Highly leveraged from pci-bigsur.c, written by Dustin McIntire. + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * PCI initialization for the SnapGear boards + */ +#include +#include +#include +#include +#include +#include "pci-sh4.h" + +int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin) +{ + int irq = -1; + + switch (slot) { + case 8: /* the PCI bridge */ break; + case 11: irq = evt2irq(0x300); break; /* USB */ + case 12: irq = evt2irq(0x360); break; /* PCMCIA */ + case 13: irq = evt2irq(0x2a0); break; /* eth0 */ + case 14: irq = evt2irq(0x300); break; /* eth1 */ + case 15: irq = evt2irq(0x360); break; /* safenet (unused) */ + } + + printk("PCI: Mapping SnapGear IRQ for slot %d, pin %c to irq %d\n", + slot, pin - 1 + 'A', irq); + + return irq; +} -- cgit v1.3.1