diff options
Diffstat (limited to 'arch/mips/pci/fixup-tb0226.c')
| -rw-r--r-- | arch/mips/pci/fixup-tb0226.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/mips/pci/fixup-tb0226.c b/arch/mips/pci/fixup-tb0226.c new file mode 100644 index 000000000..a4d1efadf --- /dev/null +++ b/arch/mips/pci/fixup-tb0226.c @@ -0,0 +1,73 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * fixup-tb0226.c, The TANBAC TB0226 specific PCI fixups. + * + * Copyright (C) 2002-2005 Yoichi Yuasa <yuasa@linux-mips.org> + */ +#include <linux/init.h> +#include <linux/pci.h> + +#include <asm/vr41xx/giu.h> +#include <asm/vr41xx/tb0226.h> + +int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + int irq = -1; + + switch (slot) { + case 12: + vr41xx_set_irq_trigger(GD82559_1_PIN, + IRQ_TRIGGER_LEVEL, + IRQ_SIGNAL_THROUGH); + vr41xx_set_irq_level(GD82559_1_PIN, IRQ_LEVEL_LOW); + irq = GD82559_1_IRQ; + break; + case 13: + vr41xx_set_irq_trigger(GD82559_2_PIN, + IRQ_TRIGGER_LEVEL, + IRQ_SIGNAL_THROUGH); + vr41xx_set_irq_level(GD82559_2_PIN, IRQ_LEVEL_LOW); + irq = GD82559_2_IRQ; + break; + case 14: + switch (pin) { + case 1: + vr41xx_set_irq_trigger(UPD720100_INTA_PIN, + IRQ_TRIGGER_LEVEL, + IRQ_SIGNAL_THROUGH); + vr41xx_set_irq_level(UPD720100_INTA_PIN, + IRQ_LEVEL_LOW); + irq = UPD720100_INTA_IRQ; + break; + case 2: + vr41xx_set_irq_trigger(UPD720100_INTB_PIN, + IRQ_TRIGGER_LEVEL, + IRQ_SIGNAL_THROUGH); + vr41xx_set_irq_level(UPD720100_INTB_PIN, + IRQ_LEVEL_LOW); + irq = UPD720100_INTB_IRQ; + break; + case 3: + vr41xx_set_irq_trigger(UPD720100_INTC_PIN, + IRQ_TRIGGER_LEVEL, + IRQ_SIGNAL_THROUGH); + vr41xx_set_irq_level(UPD720100_INTC_PIN, + IRQ_LEVEL_LOW); + irq = UPD720100_INTC_IRQ; + break; + default: + break; + } + break; + default: + break; + } + + return irq; +} + +/* Do platform specific device initialization at pci_enable_device() time */ +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + return 0; +} |