| Yoichi Yuasa | 5dfa9c1 | 2005-04-16 15:24:40 -0700 | [diff] [blame^] | 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 */ |