| /* |
| * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #ifndef _ARCH_IRQ_H_ |
| #define _ARCH_IRQ_H_ |
| |
| enum pci_int_pin { |
| INTX, |
| INTA, |
| INTB, |
| INTC, |
| INTD |
| }; |
| |
| enum pirq_pin { |
| PIRQA, |
| PIRQB, |
| PIRQC, |
| PIRQD, |
| PIRQE, |
| PIRQF, |
| PIRQG, |
| PIRQH |
| }; |
| |
| /* PIRQ link number and value conversion */ |
| #define LINK_V2N(link) (link - 0x60) |
| #define LINK_N2V(link) (link + 0x60) |
| |
| #define PIRQ_BITMAP 0xdee0 |
| |
| struct irq_info; |
| |
| /** |
| * board_fill_irq_info() - Board-specific irq_info fill routine |
| * |
| * This fills the irq_info table for any board-specific add-in cards. |
| * |
| * @slot: pointer to the struct irq_info that is to be filled in |
| * @return: number of entries were written to the struct irq_info |
| */ |
| int board_fill_irq_info(struct irq_info *slot); |
| |
| /** |
| * pirq_init() - Initialize platform PIRQ routing |
| * |
| * This initializes the PIRQ routing on the platform and configures all PCI |
| * devices' interrupt line register to a working IRQ number on the 8259 PIC. |
| */ |
| void pirq_init(void); |
| |
| #endif /* _ARCH_IRQ_H_ */ |