| /* | |
| * c 2001 PPC 64 Team, IBM Corp | |
| * | |
| * This program is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU General Public License | |
| * as published by the Free Software Foundation; either version | |
| * 2 of the License, or (at your option) any later version. | |
| */ | |
| #ifndef _ASM_POWERPC_PPC_PCI_H | |
| #define _ASM_POWERPC_PPC_PCI_H | |
| #ifdef __KERNEL__ | |
| #include <linux/pci.h> | |
| #include <asm/pci-bridge.h> | |
| extern unsigned long isa_io_base; | |
| extern void pci_setup_phb_io(struct pci_controller *hose, int primary); | |
| extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary); | |
| extern struct list_head hose_list; | |
| extern int global_phb_number; | |
| extern unsigned long find_and_init_phbs(void); | |
| extern struct pci_dev *ppc64_isabridge_dev; /* may be NULL if no ISA bus */ | |
| /** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */ | |
| #define BUID_HI(buid) ((buid) >> 32) | |
| #define BUID_LO(buid) ((buid) & 0xffffffff) | |
| /* PCI device_node operations */ | |
| struct device_node; | |
| typedef void *(*traverse_func)(struct device_node *me, void *data); | |
| void *traverse_pci_devices(struct device_node *start, traverse_func pre, | |
| void *data); | |
| void pci_devs_phb_init(void); | |
| void pci_devs_phb_init_dynamic(struct pci_controller *phb); | |
| int setup_phb(struct device_node *dev, struct pci_controller *phb); | |
| void __devinit scan_phb(struct pci_controller *hose); | |
| /* From rtas_pci.h */ | |
| void init_pci_config_tokens (void); | |
| unsigned long get_phb_buid (struct device_node *); | |
| /* From pSeries_pci.h */ | |
| extern void pSeries_final_fixup(void); | |
| extern void pSeries_irq_bus_setup(struct pci_bus *bus); | |
| extern unsigned long pci_probe_only; | |
| /* ---- EEH internal-use-only related routines ---- */ | |
| #ifdef CONFIG_EEH | |
| void pci_addr_cache_insert_device(struct pci_dev *dev); | |
| void pci_addr_cache_remove_device(struct pci_dev *dev); | |
| void pci_addr_cache_build(void); | |
| struct pci_dev *pci_get_device_by_addr(unsigned long addr); | |
| /** | |
| * eeh_slot_error_detail -- record and EEH error condition to the log | |
| * @severity: 1 if temporary, 2 if permanent failure. | |
| * | |
| * Obtains the the EEH error details from the RTAS subsystem, | |
| * and then logs these details with the RTAS error log system. | |
| */ | |
| void eeh_slot_error_detail (struct pci_dn *pdn, int severity); | |
| /** | |
| * rtas_pci_enableo - enable IO transfers for this slot | |
| * @pdn: pci device node | |
| * @function: either EEH_THAW_MMIO or EEH_THAW_DMA | |
| * | |
| * Enable I/O transfers to this slot | |
| */ | |
| #define EEH_THAW_MMIO 2 | |
| #define EEH_THAW_DMA 3 | |
| int rtas_pci_enable(struct pci_dn *pdn, int function); | |
| /** | |
| * rtas_set_slot_reset -- unfreeze a frozen slot | |
| * | |
| * Clear the EEH-frozen condition on a slot. This routine | |
| * does this by asserting the PCI #RST line for 1/8th of | |
| * a second; this routine will sleep while the adapter is | |
| * being reset. | |
| * | |
| * Returns a non-zero value if the reset failed. | |
| */ | |
| int rtas_set_slot_reset (struct pci_dn *); | |
| /** | |
| * eeh_restore_bars - Restore device configuration info. | |
| * | |
| * A reset of a PCI device will clear out its config space. | |
| * This routines will restore the config space for this | |
| * device, and is children, to values previously obtained | |
| * from the firmware. | |
| */ | |
| void eeh_restore_bars(struct pci_dn *); | |
| /** | |
| * rtas_configure_bridge -- firmware initialization of pci bridge | |
| * | |
| * Ask the firmware to configure all PCI bridges devices | |
| * located behind the indicated node. Required after a | |
| * pci device reset. Does essentially the same hing as | |
| * eeh_restore_bars, but for brdges, and lets firmware | |
| * do the work. | |
| */ | |
| void rtas_configure_bridge(struct pci_dn *); | |
| int rtas_write_config(struct pci_dn *, int where, int size, u32 val); | |
| int rtas_read_config(struct pci_dn *, int where, int size, u32 *val); | |
| /** | |
| * mark and clear slots: find "partition endpoint" PE and set or | |
| * clear the flags for each subnode of the PE. | |
| */ | |
| void eeh_mark_slot (struct device_node *dn, int mode_flag); | |
| void eeh_clear_slot (struct device_node *dn, int mode_flag); | |
| /* Find the associated "Partiationable Endpoint" PE */ | |
| struct device_node * find_device_pe(struct device_node *dn); | |
| #endif | |
| #endif /* __KERNEL__ */ | |
| #endif /* _ASM_POWERPC_PPC_PCI_H */ |