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| Commit | Line | Data |
|---|---|---|
| 1a59d1b8 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 5dfa9c1b YY |
2 | /* |
| 3 | * Include file for NEC VR4100 series PCI Control Unit. | |
| 4 | * | |
| ada8e951 | 5 | * Copyright (C) 2004-2005 Yoichi Yuasa <yuasa@linux-mips.org> |
| 5dfa9c1b YY |
6 | */ |
| 7 | #ifndef __NEC_VR41XX_PCI_H | |
| 8 | #define __NEC_VR41XX_PCI_H | |
| 9 | ||
| 70342287 | 10 | #define PCI_MASTER_ADDRESS_MASK 0x7fffffffU |
| 5dfa9c1b YY |
11 | |
| 12 | struct pci_master_address_conversion { | |
| 13 | uint32_t bus_base_address; | |
| 14 | uint32_t address_mask; | |
| 15 | uint32_t pci_base_address; | |
| 16 | }; | |
| 17 | ||
| 18 | struct pci_target_address_conversion { | |
| 19 | uint32_t address_mask; | |
| 20 | uint32_t bus_base_address; | |
| 21 | }; | |
| 22 | ||
| 23 | typedef enum { | |
| 24 | CANNOT_LOCK_FROM_DEVICE, | |
| 25 | CAN_LOCK_FROM_DEVICE, | |
| 26 | } pci_exclusive_access_t; | |
| 27 | ||
| 28 | struct pci_mailbox_address { | |
| 29 | uint32_t base_address; | |
| 30 | }; | |
| 31 | ||
| 32 | struct pci_target_address_window { | |
| 33 | uint32_t base_address; | |
| 34 | }; | |
| 35 | ||
| 36 | typedef enum { | |
| 37 | PCI_ARBITRATION_MODE_FAIR, | |
| 38 | PCI_ARBITRATION_MODE_ALTERNATE_0, | |
| 39 | PCI_ARBITRATION_MODE_ALTERNATE_B, | |
| 40 | } pci_arbiter_priority_control_t; | |
| 41 | ||
| 42 | typedef enum { | |
| 43 | PCI_TAKE_AWAY_GNT_DISABLE, | |
| 44 | PCI_TAKE_AWAY_GNT_ENABLE, | |
| 45 | } pci_take_away_gnt_mode_t; | |
| 46 | ||
| 47 | struct pci_controller_unit_setup { | |
| 48 | struct pci_master_address_conversion *master_memory1; | |
| 49 | struct pci_master_address_conversion *master_memory2; | |
| 50 | ||
| 51 | struct pci_target_address_conversion *target_memory1; | |
| 52 | struct pci_target_address_conversion *target_memory2; | |
| 53 | ||
| 54 | struct pci_master_address_conversion *master_io; | |
| 55 | ||
| 56 | pci_exclusive_access_t exclusive_access; | |
| 57 | ||
| 58 | uint32_t pci_clock_max; | |
| 59 | uint8_t wait_time_limit_from_irdy_to_trdy; /* Only VR4122 is supported */ | |
| 60 | ||
| 61 | struct pci_mailbox_address *mailbox; | |
| 62 | struct pci_target_address_window *target_window1; | |
| 63 | struct pci_target_address_window *target_window2; | |
| 64 | ||
| 65 | uint8_t master_latency_timer; | |
| 66 | uint8_t retry_limit; | |
| 67 | ||
| 68 | pci_arbiter_priority_control_t arbiter_priority_control; | |
| 69 | pci_take_away_gnt_mode_t take_away_gnt_mode; | |
| 70 | ||
| 71 | struct resource *mem_resource; | |
| 72 | struct resource *io_resource; | |
| 73 | }; | |
| 74 | ||
| 75 | extern void vr41xx_pciu_setup(struct pci_controller_unit_setup *setup); | |
| 76 | ||
| 77 | #endif /* __NEC_VR41XX_PCI_H */ |