tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef __SPARC_PCI_H
2#define __SPARC_PCI_H
3
4#ifdef __KERNEL__
5
6#include <linux/dma-mapping.h>
7
8/* Can be used to override the logic in pci_scan_bus for skipping
9 * already-configured bus numbers - to be used for buggy BIOSes
10 * or architectures with incomplete PCI setup by the loader.
11 */
12#define pcibios_assign_all_busses() 0
13
14#define PCIBIOS_MIN_IO 0UL
15#define PCIBIOS_MIN_MEM 0UL
16
17#define PCI_IRQ_NONE 0xffffffff
18
19static inline void pcibios_penalize_isa_irq(int irq, int active)
20{
21 /* We don't do dynamic PCI IRQ allocation */
22}
23
24/* Dynamic DMA mapping stuff.
25 */
26#define PCI_DMA_BUS_IS_PHYS (0)
27
28struct pci_dev;
29
30#ifdef CONFIG_PCI
31static inline void pci_dma_burst_advice(struct pci_dev *pdev,
32 enum pci_dma_burst_strategy *strat,
33 unsigned long *strategy_parameter)
34{
35 *strat = PCI_DMA_BURST_INFINITY;
36 *strategy_parameter = ~0UL;
37}
38#endif
39
40#endif /* __KERNEL__ */
41
42#ifndef CONFIG_LEON_PCI
43/* generic pci stuff */
44#include <asm-generic/pci.h>
45#else
46/*
47 * On LEON PCI Memory space is mapped 1:1 with physical address space.
48 *
49 * I/O space is located at low 64Kbytes in PCI I/O space. The I/O addresses
50 * are converted into CPU addresses to virtual addresses that are mapped with
51 * MMU to the PCI Host PCI I/O space window which are translated to the low
52 * 64Kbytes by the Host controller.
53 */
54
55static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
56{
57 return PCI_IRQ_NONE;
58}
59#endif
60
61#endif /* __SPARC_PCI_H */