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File Content: `pci.h`

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *  Include file for NEC VR4100 series PCI Control Unit.
 *
 *  Copyright (C) 2004-2005  Yoichi Yuasa <yuasa@linux-mips.org>
 */
#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 */

Name	Size	Permission
capcella.h	807 bytes	0644
giu.h	842 bytes	0644
irq.h	2875 bytes	0644
mpc30x.h	492 bytes	0644
pci.h	1880 bytes	0644
siu.h	947 bytes	0644
tb0219.h	729 bytes	0644
tb0226.h	757 bytes	0644
tb0287.h	745 bytes	0644
vr41xx.h	3828 bytes	0644

File Content: pci.h

File Content: `pci.h`