1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * c 2001 PPC 64 Team, IBM Corp
 
 
 
 
 
 4 */
 5#ifndef _ASM_POWERPC_PPC_PCI_H
 6#define _ASM_POWERPC_PPC_PCI_H
 7#ifdef __KERNEL__
 8
 9#ifdef CONFIG_PCI
10
11#include <linux/pci.h>
12#include <asm/pci-bridge.h>
13
14extern unsigned long isa_io_base;
15
 
 
 
 
16extern struct list_head hose_list;
17
18extern struct pci_dev *isa_bridge_pcidev;	/* may be NULL if no ISA bus */
19
20/** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
21#define BUID_HI(buid) upper_32_bits(buid)
22#define BUID_LO(buid) lower_32_bits(buid)
23
24/* PCI device_node operations */
25struct device_node;
26struct pci_dn;
27
28void *pci_traverse_device_nodes(struct device_node *start,
29				void *(*fn)(struct device_node *, void *),
30				void *data);
 
 
 
31extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
32
33#if defined(CONFIG_IOMMU_API) && (defined(CONFIG_PPC_PSERIES) || \
34				  defined(CONFIG_PPC_POWERNV))
35extern void ppc_iommu_register_device(struct pci_controller *phb);
36extern void ppc_iommu_unregister_device(struct pci_controller *phb);
37#else
38static inline void ppc_iommu_register_device(struct pci_controller *phb) { }
39static inline void ppc_iommu_unregister_device(struct pci_controller *phb) { }
40#endif
41
42
43/* From rtas_pci.h */
44extern void init_pci_config_tokens (void);
45extern unsigned long get_phb_buid (struct device_node *);
46extern int rtas_setup_phb(struct pci_controller *phb);
47
48int rtas_pci_dn_read_config(struct pci_dn *pdn, int where, int size, u32 *val);
49int rtas_pci_dn_write_config(struct pci_dn *pdn, int where, int size, u32 val);
50
51#ifdef CONFIG_EEH
52
53void eeh_addr_cache_insert_dev(struct pci_dev *dev);
54void eeh_addr_cache_rmv_dev(struct pci_dev *dev);
55struct eeh_dev *eeh_addr_cache_get_dev(unsigned long addr);
56void eeh_slot_error_detail(struct eeh_pe *pe, int severity);
57int eeh_pci_enable(struct eeh_pe *pe, int function);
58int eeh_pe_reset_full(struct eeh_pe *pe, bool include_passed);
59void eeh_save_bars(struct eeh_dev *edev);
 
 
60void eeh_pe_state_mark(struct eeh_pe *pe, int state);
61void eeh_pe_mark_isolated(struct eeh_pe *pe);
62void eeh_pe_state_clear(struct eeh_pe *pe, int state, bool include_passed);
63void eeh_pe_state_mark_with_cfg(struct eeh_pe *pe, int state);
64void eeh_pe_dev_mode_mark(struct eeh_pe *pe, int mode);
65
66void eeh_sysfs_add_device(struct pci_dev *pdev);
67void eeh_sysfs_remove_device(struct pci_dev *pdev);
68
69#endif /* CONFIG_EEH */
70
71#ifdef CONFIG_FSL_ULI1575
72void __init uli_init(void);
73#endif /* CONFIG_FSL_ULI1575 */
 
 
 
 
74
75#define PCI_BUSNO(bdfn) ((bdfn >> 8) & 0xff)
76
77#else /* CONFIG_PCI */
78static inline void init_pci_config_tokens(void) { }
79#endif /* !CONFIG_PCI */
80
81#if !defined(CONFIG_PCI) || !defined(CONFIG_FSL_ULI1575)
82static inline void __init uli_init(void) {}
83#endif /* !defined(CONFIG_PCI) || !defined(CONFIG_FSL_ULI1575) */
84
85#endif /* __KERNEL__ */
86#endif /* _ASM_POWERPC_PPC_PCI_H */

 
 1/*
 2 * c 2001 PPC 64 Team, IBM Corp
 3 *
 4 *      This program is free software; you can redistribute it and/or
 5 *      modify it under the terms of the GNU General Public License
 6 *      as published by the Free Software Foundation; either version
 7 *      2 of the License, or (at your option) any later version.
 8 */
 9#ifndef _ASM_POWERPC_PPC_PCI_H
10#define _ASM_POWERPC_PPC_PCI_H
11#ifdef __KERNEL__
12
13#ifdef CONFIG_PCI
14
15#include <linux/pci.h>
16#include <asm/pci-bridge.h>
17
18extern unsigned long isa_io_base;
19
20extern void pci_setup_phb_io(struct pci_controller *hose, int primary);
21extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary);
22
23
24extern struct list_head hose_list;
25
26extern struct pci_dev *isa_bridge_pcidev;	/* may be NULL if no ISA bus */
27
28/** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
29#define BUID_HI(buid) upper_32_bits(buid)
30#define BUID_LO(buid) lower_32_bits(buid)
31
32/* PCI device_node operations */
33struct device_node;
34struct pci_dn;
35
36void *pci_traverse_device_nodes(struct device_node *start,
37				void *(*fn)(struct device_node *, void *),
38				void *data);
39void *traverse_pci_dn(struct pci_dn *root,
40		      void *(*fn)(struct pci_dn *, void *),
41		      void *data);
42extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
43
 
 
 
 
 
 
 
 
 
 
44/* From rtas_pci.h */
45extern void init_pci_config_tokens (void);
46extern unsigned long get_phb_buid (struct device_node *);
47extern int rtas_setup_phb(struct pci_controller *phb);
48
 
 
 
49#ifdef CONFIG_EEH
50
51void eeh_addr_cache_insert_dev(struct pci_dev *dev);
52void eeh_addr_cache_rmv_dev(struct pci_dev *dev);
53struct eeh_dev *eeh_addr_cache_get_dev(unsigned long addr);
54void eeh_slot_error_detail(struct eeh_pe *pe, int severity);
55int eeh_pci_enable(struct eeh_pe *pe, int function);
56int eeh_pe_reset_full(struct eeh_pe *pe);
57void eeh_save_bars(struct eeh_dev *edev);
58int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
59int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
60void eeh_pe_state_mark(struct eeh_pe *pe, int state);
61void eeh_pe_state_clear(struct eeh_pe *pe, int state);
 
62void eeh_pe_state_mark_with_cfg(struct eeh_pe *pe, int state);
63void eeh_pe_dev_mode_mark(struct eeh_pe *pe, int mode);
64
65void eeh_sysfs_add_device(struct pci_dev *pdev);
66void eeh_sysfs_remove_device(struct pci_dev *pdev);
67
68static inline const char *eeh_pci_name(struct pci_dev *pdev) 
69{ 
70	return pdev ? pci_name(pdev) : "<null>";
71} 
72
73static inline const char *eeh_driver_name(struct pci_dev *pdev)
74{
75	return (pdev && pdev->driver) ? pdev->driver->name : "<null>";
76}
77
78#endif /* CONFIG_EEH */
79
80#else /* CONFIG_PCI */
81static inline void init_pci_config_tokens(void) { }
82#endif /* !CONFIG_PCI */
 
 
 
 
83
84#endif /* __KERNEL__ */
85#endif /* _ASM_POWERPC_PPC_PCI_H */