From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/arm/mach-footbridge/ebsa285-pci.c | 47 ++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 arch/arm/mach-footbridge/ebsa285-pci.c (limited to 'arch/arm/mach-footbridge/ebsa285-pci.c') diff --git a/arch/arm/mach-footbridge/ebsa285-pci.c b/arch/arm/mach-footbridge/ebsa285-pci.c new file mode 100644 index 000000000..fd12d8a36 --- /dev/null +++ b/arch/arm/mach-footbridge/ebsa285-pci.c @@ -0,0 +1,47 @@ +/* + * linux/arch/arm/mach-footbridge/ebsa285-pci.c + * + * PCI bios-type initialisation for PCI machines + * + * Bits taken from various places. + */ +#include +#include +#include + +#include +#include +#include + +static int irqmap_ebsa285[] __initdata = { IRQ_IN3, IRQ_IN1, IRQ_IN0, IRQ_PCI }; + +static int __init ebsa285_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + if (dev->vendor == PCI_VENDOR_ID_CONTAQ && + dev->device == PCI_DEVICE_ID_CONTAQ_82C693) + switch (PCI_FUNC(dev->devfn)) { + case 1: return 14; + case 2: return 15; + case 3: return 12; + } + + return irqmap_ebsa285[(slot + pin) & 3]; +} + +static struct hw_pci ebsa285_pci __initdata = { + .map_irq = ebsa285_map_irq, + .nr_controllers = 1, + .ops = &dc21285_ops, + .setup = dc21285_setup, + .preinit = dc21285_preinit, + .postinit = dc21285_postinit, +}; + +static int __init ebsa285_init_pci(void) +{ + if (machine_is_ebsa285()) + pci_common_init(&ebsa285_pci); + return 0; +} + +subsys_initcall(ebsa285_init_pci); -- cgit v1.2.3-54-g00ecf