Files
threeeye bc1d038eac REVVL 6 Pro kernel bring-up: full working tree snapshot (2026-09-12)
Squashed backup commit (no shallow-clone history issues) of
xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream
commit 9eece662e) plus all fixes applied to get everpal_defconfig building
clean against a modern (GCC 15.2.0) toolchain -- see the previous commit
message on the lineage-23.2 branch (also in this repo history is not
available here since this is a squashed snapshot; full incremental history
lives in the local DL380 checkout and the upstream GitHub remote).

Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
2026-09-12 13:36:46 +00:00

91 lines
2.5 KiB
C

/*
* Include file for NEC VR4100 series PCI Control Unit.
*
* Copyright (C) 2004-2005 Yoichi Yuasa <yuasa@linux-mips.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#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 */