1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * c 2001 PPC 64 Team, IBM Corp
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun #ifndef _ASM_POWERPC_PPC_PCI_H
6*4882a593Smuzhiyun #define _ASM_POWERPC_PPC_PCI_H
7*4882a593Smuzhiyun #ifdef __KERNEL__
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #ifdef CONFIG_PCI
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <linux/pci.h>
12*4882a593Smuzhiyun #include <asm/pci-bridge.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun extern unsigned long isa_io_base;
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun extern void pci_setup_phb_io(struct pci_controller *hose, int primary);
17*4882a593Smuzhiyun extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary);
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun extern struct list_head hose_list;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun extern struct pci_dev *isa_bridge_pcidev; /* may be NULL if no ISA bus */
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun /** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
25*4882a593Smuzhiyun #define BUID_HI(buid) upper_32_bits(buid)
26*4882a593Smuzhiyun #define BUID_LO(buid) lower_32_bits(buid)
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun /* PCI device_node operations */
29*4882a593Smuzhiyun struct device_node;
30*4882a593Smuzhiyun struct pci_dn;
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun void *pci_traverse_device_nodes(struct device_node *start,
33*4882a593Smuzhiyun void *(*fn)(struct device_node *, void *),
34*4882a593Smuzhiyun void *data);
35*4882a593Smuzhiyun void *traverse_pci_dn(struct pci_dn *root,
36*4882a593Smuzhiyun void *(*fn)(struct pci_dn *, void *),
37*4882a593Smuzhiyun void *data);
38*4882a593Smuzhiyun extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun /* From rtas_pci.h */
41*4882a593Smuzhiyun extern void init_pci_config_tokens (void);
42*4882a593Smuzhiyun extern unsigned long get_phb_buid (struct device_node *);
43*4882a593Smuzhiyun extern int rtas_setup_phb(struct pci_controller *phb);
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun #ifdef CONFIG_EEH
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun void eeh_addr_cache_insert_dev(struct pci_dev *dev);
48*4882a593Smuzhiyun void eeh_addr_cache_rmv_dev(struct pci_dev *dev);
49*4882a593Smuzhiyun struct eeh_dev *eeh_addr_cache_get_dev(unsigned long addr);
50*4882a593Smuzhiyun void eeh_slot_error_detail(struct eeh_pe *pe, int severity);
51*4882a593Smuzhiyun int eeh_pci_enable(struct eeh_pe *pe, int function);
52*4882a593Smuzhiyun int eeh_pe_reset_full(struct eeh_pe *pe, bool include_passed);
53*4882a593Smuzhiyun void eeh_save_bars(struct eeh_dev *edev);
54*4882a593Smuzhiyun int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
55*4882a593Smuzhiyun int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
56*4882a593Smuzhiyun void eeh_pe_state_mark(struct eeh_pe *pe, int state);
57*4882a593Smuzhiyun void eeh_pe_mark_isolated(struct eeh_pe *pe);
58*4882a593Smuzhiyun void eeh_pe_state_clear(struct eeh_pe *pe, int state, bool include_passed);
59*4882a593Smuzhiyun void eeh_pe_state_mark_with_cfg(struct eeh_pe *pe, int state);
60*4882a593Smuzhiyun void eeh_pe_dev_mode_mark(struct eeh_pe *pe, int mode);
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun void eeh_sysfs_add_device(struct pci_dev *pdev);
63*4882a593Smuzhiyun void eeh_sysfs_remove_device(struct pci_dev *pdev);
64*4882a593Smuzhiyun
eeh_driver_name(struct pci_dev * pdev)65*4882a593Smuzhiyun static inline const char *eeh_driver_name(struct pci_dev *pdev)
66*4882a593Smuzhiyun {
67*4882a593Smuzhiyun return (pdev && pdev->driver) ? pdev->driver->name : "<null>";
68*4882a593Smuzhiyun }
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun #endif /* CONFIG_EEH */
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun #define PCI_BUSNO(bdfn) ((bdfn >> 8) & 0xff)
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun #else /* CONFIG_PCI */
init_pci_config_tokens(void)75*4882a593Smuzhiyun static inline void init_pci_config_tokens(void) { }
76*4882a593Smuzhiyun #endif /* !CONFIG_PCI */
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun #endif /* __KERNEL__ */
79*4882a593Smuzhiyun #endif /* _ASM_POWERPC_PPC_PCI_H */
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