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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/powerpc/include/asm/ppc-pci.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/include/asm/ppc-pci.h')
-rw-r--r-- | arch/powerpc/include/asm/ppc-pci.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/ppc-pci.h b/arch/powerpc/include/asm/ppc-pci.h new file mode 100644 index 0000000000..d9fcff5750 --- /dev/null +++ b/arch/powerpc/include/asm/ppc-pci.h @@ -0,0 +1,75 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * c 2001 PPC 64 Team, IBM Corp + */ +#ifndef _ASM_POWERPC_PPC_PCI_H +#define _ASM_POWERPC_PPC_PCI_H +#ifdef __KERNEL__ + +#ifdef CONFIG_PCI + +#include <linux/pci.h> +#include <asm/pci-bridge.h> + +extern unsigned long isa_io_base; + +extern struct list_head hose_list; + +extern struct pci_dev *isa_bridge_pcidev; /* 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) upper_32_bits(buid) +#define BUID_LO(buid) lower_32_bits(buid) + +/* PCI device_node operations */ +struct device_node; +struct pci_dn; + +void *pci_traverse_device_nodes(struct device_node *start, + void *(*fn)(struct device_node *, void *), + void *data); +extern void pci_devs_phb_init_dynamic(struct pci_controller *phb); + +/* From rtas_pci.h */ +extern void init_pci_config_tokens (void); +extern unsigned long get_phb_buid (struct device_node *); +extern int rtas_setup_phb(struct pci_controller *phb); + +#ifdef CONFIG_EEH + +void eeh_addr_cache_insert_dev(struct pci_dev *dev); +void eeh_addr_cache_rmv_dev(struct pci_dev *dev); +struct eeh_dev *eeh_addr_cache_get_dev(unsigned long addr); +void eeh_slot_error_detail(struct eeh_pe *pe, int severity); +int eeh_pci_enable(struct eeh_pe *pe, int function); +int eeh_pe_reset_full(struct eeh_pe *pe, bool include_passed); +void eeh_save_bars(struct eeh_dev *edev); +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); +void eeh_pe_state_mark(struct eeh_pe *pe, int state); +void eeh_pe_mark_isolated(struct eeh_pe *pe); +void eeh_pe_state_clear(struct eeh_pe *pe, int state, bool include_passed); +void eeh_pe_state_mark_with_cfg(struct eeh_pe *pe, int state); +void eeh_pe_dev_mode_mark(struct eeh_pe *pe, int mode); + +void eeh_sysfs_add_device(struct pci_dev *pdev); +void eeh_sysfs_remove_device(struct pci_dev *pdev); + +#endif /* CONFIG_EEH */ + +#ifdef CONFIG_FSL_ULI1575 +void __init uli_init(void); +#endif /* CONFIG_FSL_ULI1575 */ + +#define PCI_BUSNO(bdfn) ((bdfn >> 8) & 0xff) + +#else /* CONFIG_PCI */ +static inline void init_pci_config_tokens(void) { } +#endif /* !CONFIG_PCI */ + +#if !defined(CONFIG_PCI) || !defined(CONFIG_FSL_ULI1575) +static inline void __init uli_init(void) {} +#endif /* !defined(CONFIG_PCI) || !defined(CONFIG_FSL_ULI1575) */ + +#endif /* __KERNEL__ */ +#endif /* _ASM_POWERPC_PPC_PCI_H */ |