projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | */ | |
| d387899f SR |
9 | #ifndef _ASM_POWERPC_PPC_PCI_H |
| 10 | #define _ASM_POWERPC_PPC_PCI_H | |
| 1da177e4 LT |
11 | |
| 12 | #include <linux/pci.h> | |
| 13 | #include <asm/pci-bridge.h> | |
| 14 | ||
| 15 | extern unsigned long isa_io_base; | |
| 16 | ||
| 17 | extern void pci_setup_pci_controller(struct pci_controller *hose); | |
| 18 | extern void pci_setup_phb_io(struct pci_controller *hose, int primary); | |
| 19 | extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary); | |
| 20 | ||
| 21 | ||
| 22 | extern struct list_head hose_list; | |
| 23 | extern int global_phb_number; | |
| 24 | ||
| 25 | extern unsigned long find_and_init_phbs(void); | |
| 26 | ||
| 27 | extern struct pci_dev *ppc64_isabridge_dev; /* may be NULL if no ISA bus */ | |
| 28 | ||
| ae65a391 LV |
29 | /** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */ |
| 30 | #define BUID_HI(buid) ((buid) >> 32) | |
| 31 | #define BUID_LO(buid) ((buid) & 0xffffffff) | |
| 32 | ||
| 1da177e4 LT |
33 | /* PCI device_node operations */ |
| 34 | struct device_node; | |
| 35 | typedef void *(*traverse_func)(struct device_node *me, void *data); | |
| 36 | void *traverse_pci_devices(struct device_node *start, traverse_func pre, | |
| 37 | void *data); | |
| 38 | ||
| 39 | void pci_devs_phb_init(void); | |
| 40 | void pci_devs_phb_init_dynamic(struct pci_controller *phb); | |
| ead83717 | 41 | void __devinit scan_phb(struct pci_controller *hose); |
| 1da177e4 | 42 | |
| dad32bbf | 43 | /* From rtas_pci.h */ |
| 1da177e4 LT |
44 | void init_pci_config_tokens (void); |
| 45 | unsigned long get_phb_buid (struct device_node *); | |
| 46 | ||
| dad32bbf JR |
47 | /* From pSeries_pci.h */ |
| 48 | extern void pSeries_final_fixup(void); | |
| 49 | extern void pSeries_irq_bus_setup(struct pci_bus *bus); | |
| 50 | ||
| 1da177e4 LT |
51 | extern unsigned long pci_probe_only; |
| 52 | extern unsigned long pci_assign_all_buses; | |
| 53 | extern int pci_read_irq_line(struct pci_dev *pci_dev); | |
| 54 | ||
| 6dee3fb9 LV |
55 | /* ---- EEH internal-use-only related routines ---- */ |
| 56 | #ifdef CONFIG_EEH | |
| 57 | /** | |
| 58 | * rtas_set_slot_reset -- unfreeze a frozen slot | |
| 59 | * | |
| 60 | * Clear the EEH-frozen condition on a slot. This routine | |
| 61 | * does this by asserting the PCI #RST line for 1/8th of | |
| 62 | * a second; this routine will sleep while the adapter is | |
| 63 | * being reset. | |
| 64 | */ | |
| 65 | void rtas_set_slot_reset (struct pci_dn *); | |
| 66 | ||
| 8b553f32 LV |
67 | /** |
| 68 | * eeh_restore_bars - Restore device configuration info. | |
| 69 | * | |
| 70 | * A reset of a PCI device will clear out its config space. | |
| 71 | * This routines will restore the config space for this | |
| 72 | * device, and is children, to values previously obtained | |
| 73 | * from the firmware. | |
| 74 | */ | |
| 75 | void eeh_restore_bars(struct pci_dn *); | |
| 76 | ||
| 77 | /** | |
| 78 | * rtas_configure_bridge -- firmware initialization of pci bridge | |
| 79 | * | |
| 80 | * Ask the firmware to configure all PCI bridges devices | |
| 81 | * located behind the indicated node. Required after a | |
| 82 | * pci device reset. Does essentially the same hing as | |
| 83 | * eeh_restore_bars, but for brdges, and lets firmware | |
| 84 | * do the work. | |
| 85 | */ | |
| 86 | void rtas_configure_bridge(struct pci_dn *); | |
| 87 | ||
| 88 | int rtas_write_config(struct pci_dn *, int where, int size, u32 val); | |
| 89 | ||
| 6dee3fb9 LV |
90 | #endif |
| 91 | ||
| d387899f | 92 | #endif /* _ASM_POWERPC_PPC_PCI_H */ |