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Diffstat (limited to 'include/asm-powerpc/ppc-pci.h')
-rw-r--r-- | include/asm-powerpc/ppc-pci.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/include/asm-powerpc/ppc-pci.h b/include/asm-powerpc/ppc-pci.h new file mode 100644 index 00000000000..36cdc869e58 --- /dev/null +++ b/include/asm-powerpc/ppc-pci.h @@ -0,0 +1,96 @@ +/* + * 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 + +#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); +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 +/** + * 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. + */ +void 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); + +/** + * 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); + +#endif + +#endif /* _ASM_POWERPC_PPC_PCI_H */ |