78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
|
/* 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 */
|