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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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35fe2fc44a
Add private_data pointer to the pci_sys_data, this pointer can be used for holding platform specific data for each pci controller. Signed-off-by: Saeed Bishara <saeed@marvell.com> Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/*
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* arch/arm/include/asm/mach/pci.h
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*
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* Copyright (C) 2000 Russell King
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_MACH_PCI_H
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#define __ASM_MACH_PCI_H
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struct pci_sys_data;
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struct pci_bus;
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struct hw_pci {
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#ifdef CONFIG_PCI_DOMAINS
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int domain;
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#endif
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struct list_head buses;
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int nr_controllers;
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int (*setup)(int nr, struct pci_sys_data *);
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struct pci_bus *(*scan)(int nr, struct pci_sys_data *);
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void (*preinit)(void);
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void (*postinit)(void);
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u8 (*swizzle)(struct pci_dev *dev, u8 *pin);
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int (*map_irq)(struct pci_dev *dev, u8 slot, u8 pin);
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};
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/*
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* Per-controller structure
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*/
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struct pci_sys_data {
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#ifdef CONFIG_PCI_DOMAINS
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int domain;
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#endif
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struct list_head node;
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int busnr; /* primary bus number */
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u64 mem_offset; /* bus->cpu memory mapping offset */
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unsigned long io_offset; /* bus->cpu IO mapping offset */
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struct pci_bus *bus; /* PCI bus */
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struct resource *resource[3]; /* Primary PCI bus resources */
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/* Bridge swizzling */
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u8 (*swizzle)(struct pci_dev *, u8 *);
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/* IRQ mapping */
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int (*map_irq)(struct pci_dev *, u8, u8);
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struct hw_pci *hw;
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void *private_data; /* platform controller private data */
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};
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/*
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* This is the standard PCI-PCI bridge swizzling algorithm.
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*/
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#define pci_std_swizzle pci_common_swizzle
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/*
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* Call this with your hw_pci struct to initialise the PCI system.
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*/
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void pci_common_init(struct hw_pci *);
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/*
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* PCI controllers
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*/
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extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
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extern struct pci_bus *iop3xx_pci_scan_bus(int nr, struct pci_sys_data *);
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extern void iop3xx_pci_preinit(void);
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extern void iop3xx_pci_preinit_cond(void);
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extern int dc21285_setup(int nr, struct pci_sys_data *);
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extern struct pci_bus *dc21285_scan_bus(int nr, struct pci_sys_data *);
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extern void dc21285_preinit(void);
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extern void dc21285_postinit(void);
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extern int via82c505_setup(int nr, struct pci_sys_data *);
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extern struct pci_bus *via82c505_scan_bus(int nr, struct pci_sys_data *);
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extern void via82c505_init(void *sysdata);
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extern int pci_v3_setup(int nr, struct pci_sys_data *);
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extern struct pci_bus *pci_v3_scan_bus(int nr, struct pci_sys_data *);
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extern void pci_v3_preinit(void);
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extern void pci_v3_postinit(void);
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#endif /* __ASM_MACH_PCI_H */
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