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5dfa9c1b YY |
1 | /* |
2 | * Include file for NEC VR4100 series PCI Control Unit. | |
3 | * | |
ada8e951 | 4 | * Copyright (C) 2004-2005 Yoichi Yuasa <yuasa@linux-mips.org> |
5dfa9c1b YY |
5 | * |
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. | |
10 | * | |
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. | |
15 | * | |
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 | |
19 | */ | |
20 | #ifndef __NEC_VR41XX_PCI_H | |
21 | #define __NEC_VR41XX_PCI_H | |
22 | ||
23 | #define PCI_MASTER_ADDRESS_MASK 0x7fffffffU | |
24 | ||
25 | struct pci_master_address_conversion { | |
26 | uint32_t bus_base_address; | |
27 | uint32_t address_mask; | |
28 | uint32_t pci_base_address; | |
29 | }; | |
30 | ||
31 | struct pci_target_address_conversion { | |
32 | uint32_t address_mask; | |
33 | uint32_t bus_base_address; | |
34 | }; | |
35 | ||
36 | typedef enum { | |
37 | CANNOT_LOCK_FROM_DEVICE, | |
38 | CAN_LOCK_FROM_DEVICE, | |
39 | } pci_exclusive_access_t; | |
40 | ||
41 | struct pci_mailbox_address { | |
42 | uint32_t base_address; | |
43 | }; | |
44 | ||
45 | struct pci_target_address_window { | |
46 | uint32_t base_address; | |
47 | }; | |
48 | ||
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; | |
54 | ||
55 | typedef enum { | |
56 | PCI_TAKE_AWAY_GNT_DISABLE, | |
57 | PCI_TAKE_AWAY_GNT_ENABLE, | |
58 | } pci_take_away_gnt_mode_t; | |
59 | ||
60 | struct pci_controller_unit_setup { | |
61 | struct pci_master_address_conversion *master_memory1; | |
62 | struct pci_master_address_conversion *master_memory2; | |
63 | ||
64 | struct pci_target_address_conversion *target_memory1; | |
65 | struct pci_target_address_conversion *target_memory2; | |
66 | ||
67 | struct pci_master_address_conversion *master_io; | |
68 | ||
69 | pci_exclusive_access_t exclusive_access; | |
70 | ||
71 | uint32_t pci_clock_max; | |
72 | uint8_t wait_time_limit_from_irdy_to_trdy; /* Only VR4122 is supported */ | |
73 | ||
74 | struct pci_mailbox_address *mailbox; | |
75 | struct pci_target_address_window *target_window1; | |
76 | struct pci_target_address_window *target_window2; | |
77 | ||
78 | uint8_t master_latency_timer; | |
79 | uint8_t retry_limit; | |
80 | ||
81 | pci_arbiter_priority_control_t arbiter_priority_control; | |
82 | pci_take_away_gnt_mode_t take_away_gnt_mode; | |
83 | ||
84 | struct resource *mem_resource; | |
85 | struct resource *io_resource; | |
86 | }; | |
87 | ||
88 | extern void vr41xx_pciu_setup(struct pci_controller_unit_setup *setup); | |
89 | ||
90 | #endif /* __NEC_VR41XX_PCI_H */ |