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 18 extern unsigned long isa_io_base; 19 20 extern void pci_setup_phb_io(struct pci_controller *hose, int primary); 21 extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary); 22 23 24 extern struct list_head hose_list; 25 26 extern void find_and_init_phbs(void); 27 28 extern struct pci_dev *isa_bridge_pcidev; /* may be NULL if no ISA bus */ 29 30 /** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */ 31 #define BUID_HI(buid) upper_32_bits(buid) 32 #define BUID_LO(buid) lower_32_bits(buid) 33 34 /* PCI device_node operations */ 35 struct device_node; 36 typedef void *(*traverse_func)(struct device_node *me, void *data); 37 void *traverse_pci_devices(struct device_node *start, traverse_func pre, 38 void *data); 39 40 extern void pci_devs_phb_init(void); 41 extern void pci_devs_phb_init_dynamic(struct pci_controller *phb); 42 43 /* From rtas_pci.h */ 44 extern void init_pci_config_tokens (void); 45 extern unsigned long get_phb_buid (struct device_node *); 46 extern int rtas_setup_phb(struct pci_controller *phb); 47 48 #ifdef CONFIG_EEH 49 50 void eeh_addr_cache_insert_dev(struct pci_dev *dev); 51 void eeh_addr_cache_rmv_dev(struct pci_dev *dev); 52 struct eeh_dev *eeh_addr_cache_get_dev(unsigned long addr); 53 void eeh_slot_error_detail(struct eeh_pe *pe, int severity); 54 int eeh_pci_enable(struct eeh_pe *pe, int function); 55 int eeh_reset_pe(struct eeh_pe *); 56 void eeh_save_bars(struct eeh_dev *edev); 57 int rtas_write_config(struct pci_dn *, int where, int size, u32 val); 58 int rtas_read_config(struct pci_dn *, int where, int size, u32 *val); 59 void eeh_pe_state_mark(struct eeh_pe *pe, int state); 60 void eeh_pe_state_clear(struct eeh_pe *pe, int state); 61 void eeh_pe_dev_mode_mark(struct eeh_pe *pe, int mode); 62 63 void eeh_sysfs_add_device(struct pci_dev *pdev); 64 void eeh_sysfs_remove_device(struct pci_dev *pdev); 65 66 static inline const char *eeh_pci_name(struct pci_dev *pdev) 67 { 68 return pdev ? pci_name(pdev) : "<null>"; 69 } 70 71 static inline const char *eeh_driver_name(struct pci_dev *pdev) 72 { 73 return (pdev && pdev->driver) ? pdev->driver->name : "<null>"; 74 } 75 76 #endif /* CONFIG_EEH */ 77 78 #else /* CONFIG_PCI */ 79 static inline void find_and_init_phbs(void) { } 80 static inline void init_pci_config_tokens(void) { } 81 #endif /* !CONFIG_PCI */ 82 83 #endif /* __KERNEL__ */ 84 #endif /* _ASM_POWERPC_PPC_PCI_H */ 85