x86: i8259A: remove redundant irq_descinitialization
[wrt350n-kernel.git] / include / asm-mips / vr41xx / pci.h
blob6fc01ce1977706fbb09325299342d55d7b073358
1 /*
2 * Include file for NEC VR4100 series PCI Control Unit.
4 * Copyright (C) 2004-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #ifndef __NEC_VR41XX_PCI_H
21 #define __NEC_VR41XX_PCI_H
23 #define PCI_MASTER_ADDRESS_MASK 0x7fffffffU
25 struct pci_master_address_conversion {
26 uint32_t bus_base_address;
27 uint32_t address_mask;
28 uint32_t pci_base_address;
31 struct pci_target_address_conversion {
32 uint32_t address_mask;
33 uint32_t bus_base_address;
36 typedef enum {
37 CANNOT_LOCK_FROM_DEVICE,
38 CAN_LOCK_FROM_DEVICE,
39 } pci_exclusive_access_t;
41 struct pci_mailbox_address {
42 uint32_t base_address;
45 struct pci_target_address_window {
46 uint32_t base_address;
49 typedef enum {
50 PCI_ARBITRATION_MODE_FAIR,
51 PCI_ARBITRATION_MODE_ALTERNATE_0,
52 PCI_ARBITRATION_MODE_ALTERNATE_B,
53 } pci_arbiter_priority_control_t;
55 typedef enum {
56 PCI_TAKE_AWAY_GNT_DISABLE,
57 PCI_TAKE_AWAY_GNT_ENABLE,
58 } pci_take_away_gnt_mode_t;
60 struct pci_controller_unit_setup {
61 struct pci_master_address_conversion *master_memory1;
62 struct pci_master_address_conversion *master_memory2;
64 struct pci_target_address_conversion *target_memory1;
65 struct pci_target_address_conversion *target_memory2;
67 struct pci_master_address_conversion *master_io;
69 pci_exclusive_access_t exclusive_access;
71 uint32_t pci_clock_max;
72 uint8_t wait_time_limit_from_irdy_to_trdy; /* Only VR4122 is supported */
74 struct pci_mailbox_address *mailbox;
75 struct pci_target_address_window *target_window1;
76 struct pci_target_address_window *target_window2;
78 uint8_t master_latency_timer;
79 uint8_t retry_limit;
81 pci_arbiter_priority_control_t arbiter_priority_control;
82 pci_take_away_gnt_mode_t take_away_gnt_mode;
84 struct resource *mem_resource;
85 struct resource *io_resource;
88 extern void vr41xx_pciu_setup(struct pci_controller_unit_setup *setup);
90 #endif /* __NEC_VR41XX_PCI_H */