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a472b09dd5
The IDE code used to specify the IDE IRQs for chipsets operating in legacy mode. This appears to no longer work, and this information must be provided by the arch. Do so. This partially fixes CY82C693 (and probably others) on Footbridge platforms. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
#ifndef ASMARM_PCI_H
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#define ASMARM_PCI_H
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#ifdef __KERNEL__
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#include <asm-generic/pci-dma-compat.h>
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#include <asm-generic/pci-bridge.h>
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#include <asm/mach/pci.h> /* for pci_sys_data */
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extern unsigned long pcibios_min_io;
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#define PCIBIOS_MIN_IO pcibios_min_io
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extern unsigned long pcibios_min_mem;
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#define PCIBIOS_MIN_MEM pcibios_min_mem
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static inline int pcibios_assign_all_busses(void)
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{
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return pci_has_flag(PCI_REASSIGN_ALL_RSRC);
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}
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#ifdef CONFIG_PCI_DOMAINS
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static inline int pci_domain_nr(struct pci_bus *bus)
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{
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struct pci_sys_data *root = bus->sysdata;
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return root->domain;
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}
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static inline int pci_proc_domain(struct pci_bus *bus)
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{
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return pci_domain_nr(bus);
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}
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#endif /* CONFIG_PCI_DOMAINS */
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static inline void pcibios_penalize_isa_irq(int irq, int active)
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{
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/* We don't do dynamic PCI IRQ allocation */
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}
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/*
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* The PCI address space does equal the physical memory address space.
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* The networking and block device layers use this boolean for bounce
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* buffer decisions.
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*/
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#define PCI_DMA_BUS_IS_PHYS (1)
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#ifdef CONFIG_PCI
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static inline void pci_dma_burst_advice(struct pci_dev *pdev,
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enum pci_dma_burst_strategy *strat,
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unsigned long *strategy_parameter)
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{
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*strat = PCI_DMA_BURST_INFINITY;
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*strategy_parameter = ~0UL;
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}
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#endif
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#define HAVE_PCI_MMAP
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extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
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enum pci_mmap_state mmap_state, int write_combine);
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static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
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{
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return channel ? 15 : 14;
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}
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#endif /* __KERNEL__ */
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#endif
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