diff options
Diffstat (limited to 'include/asm-mips/vr41xx/pci.h')
-rw-r--r-- | include/asm-mips/vr41xx/pci.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/include/asm-mips/vr41xx/pci.h b/include/asm-mips/vr41xx/pci.h new file mode 100644 index 000000000000..c473aa78d1d4 --- /dev/null +++ b/include/asm-mips/vr41xx/pci.h | |||
@@ -0,0 +1,90 @@ | |||
1 | /* | ||
2 | * Include file for NEC VR4100 series PCI Control Unit. | ||
3 | * | ||
4 | * Copyright (C) 2004-2005 Yoichi Yuasa <yuasa@hh.iij4u.or.jp> | ||
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 */ | ||