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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Include file for NEC VR4100 series PCI Control Unit. * * Copyright (C) 2004-2005 Yoichi Yuasa <[email protected]> */ #ifndef __NEC_VR41XX_PCI_H #define __NEC_VR41XX_PCI_H #define PCI_MASTER_ADDRESS_MASK 0x7fffffffU struct pci_master_address_conversion { uint32_t bus_base_address; uint32_t address_mask; uint32_t pci_base_address; }; struct pci_target_address_conversion { uint32_t address_mask; uint32_t bus_base_address; }; typedef enum { CANNOT_LOCK_FROM_DEVICE, CAN_LOCK_FROM_DEVICE, } pci_exclusive_access_t; struct pci_mailbox_address { uint32_t base_address; }; struct pci_target_address_window { uint32_t base_address; }; typedef enum { PCI_ARBITRATION_MODE_FAIR, PCI_ARBITRATION_MODE_ALTERNATE_0, PCI_ARBITRATION_MODE_ALTERNATE_B, } pci_arbiter_priority_control_t; typedef enum { PCI_TAKE_AWAY_GNT_DISABLE, PCI_TAKE_AWAY_GNT_ENABLE, } pci_take_away_gnt_mode_t; struct pci_controller_unit_setup { struct pci_master_address_conversion *master_memory1; struct pci_master_address_conversion *master_memory2; struct pci_target_address_conversion *target_memory1; struct pci_target_address_conversion *target_memory2; struct pci_master_address_conversion *master_io; pci_exclusive_access_t exclusive_access; uint32_t pci_clock_max; uint8_t wait_time_limit_from_irdy_to_trdy; /* Only VR4122 is supported */ struct pci_mailbox_address *mailbox; struct pci_target_address_window *target_window1; struct pci_target_address_window *target_window2; uint8_t master_latency_timer; uint8_t retry_limit; pci_arbiter_priority_control_t arbiter_priority_control; pci_take_away_gnt_mode_t take_away_gnt_mode; struct resource *mem_resource; struct resource *io_resource; }; extern void vr41xx_pciu_setup(struct pci_controller_unit_setup *setup); #endif /* __NEC_VR41XX_PCI_H */