1#ifndef __ASM_POWERPC_PCI_H
2#define __ASM_POWERPC_PCI_H
3#ifdef __KERNEL__
4
5
6
7
8
9
10
11
12#include <linux/types.h>
13#include <linux/slab.h>
14#include <linux/string.h>
15#include <linux/dma-mapping.h>
16
17#include <asm/machdep.h>
18#include <asm/scatterlist.h>
19#include <asm/io.h>
20#include <asm/prom.h>
21#include <asm/pci-bridge.h>
22
23#include <asm-generic/pci-dma-compat.h>
24
25
26#define PCI_PROBE_NONE -1
27#define PCI_PROBE_NORMAL 0
28#define PCI_PROBE_DEVTREE 1
29
30#define PCIBIOS_MIN_IO 0x1000
31#define PCIBIOS_MIN_MEM 0x10000000
32
33struct pci_dev;
34
35
36#define IOBASE_BRIDGE_NUMBER 0
37#define IOBASE_MEMORY 1
38#define IOBASE_IO 2
39#define IOBASE_ISA_IO 3
40#define IOBASE_ISA_MEM 4
41
42
43
44
45
46#define pcibios_assign_all_busses() \
47 (pci_has_flag(PCI_REASSIGN_ALL_BUS))
48
49static inline void pcibios_penalize_isa_irq(int irq, int active)
50{
51
52}
53
54#define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
55static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
56{
57 if (ppc_md.pci_get_legacy_ide_irq)
58 return ppc_md.pci_get_legacy_ide_irq(dev, channel);
59 return channel ? 15 : 14;
60}
61
62#ifdef CONFIG_PCI
63extern void set_pci_dma_ops(struct dma_map_ops *dma_ops);
64extern struct dma_map_ops *get_pci_dma_ops(void);
65#else
66#define set_pci_dma_ops(d)
67#define get_pci_dma_ops() NULL
68#endif
69
70#ifdef CONFIG_PPC64
71
72
73
74
75
76
77#define PCI_DISABLE_MWI
78
79#ifdef CONFIG_PCI
80static inline void pci_dma_burst_advice(struct pci_dev *pdev,
81 enum pci_dma_burst_strategy *strat,
82 unsigned long *strategy_parameter)
83{
84 unsigned long cacheline_size;
85 u8 byte;
86
87 pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte);
88 if (byte == 0)
89 cacheline_size = 1024;
90 else
91 cacheline_size = (int) byte * 4;
92
93 *strat = PCI_DMA_BURST_MULTIPLE;
94 *strategy_parameter = cacheline_size;
95}
96#endif
97
98#else
99
100#ifdef CONFIG_PCI
101static inline void pci_dma_burst_advice(struct pci_dev *pdev,
102 enum pci_dma_burst_strategy *strat,
103 unsigned long *strategy_parameter)
104{
105 *strat = PCI_DMA_BURST_INFINITY;
106 *strategy_parameter = ~0UL;
107}
108#endif
109#endif
110
111extern int pci_domain_nr(struct pci_bus *bus);
112
113
114extern int pci_proc_domain(struct pci_bus *bus);
115
116
117#define arch_setup_msi_irqs arch_setup_msi_irqs
118#define arch_teardown_msi_irqs arch_teardown_msi_irqs
119#define arch_msi_check_device arch_msi_check_device
120
121struct vm_area_struct;
122
123int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
124 enum pci_mmap_state mmap_state, int write_combine);
125
126
127#define HAVE_PCI_MMAP 1
128
129extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val,
130 size_t count);
131extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val,
132 size_t count);
133extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
134 struct vm_area_struct *vma,
135 enum pci_mmap_state mmap_state);
136
137#define HAVE_PCI_LEGACY 1
138
139#ifdef CONFIG_PPC64
140
141
142
143
144
145#define PCI_DMA_BUS_IS_PHYS (0)
146
147#else
148
149
150
151
152
153#define PCI_DMA_BUS_IS_PHYS (1)
154
155#endif
156
157extern void pcibios_claim_one_bus(struct pci_bus *b);
158
159extern void pcibios_finish_adding_to_bus(struct pci_bus *bus);
160
161extern void pcibios_resource_survey(void);
162
163extern struct pci_controller *init_phb_dynamic(struct device_node *dn);
164extern int remove_phb_dynamic(struct pci_controller *phb);
165
166extern struct pci_dev *of_create_pci_dev(struct device_node *node,
167 struct pci_bus *bus, int devfn);
168
169extern void of_scan_pci_bridge(struct pci_dev *dev);
170
171extern void of_scan_bus(struct device_node *node, struct pci_bus *bus);
172extern void of_rescan_bus(struct device_node *node, struct pci_bus *bus);
173
174struct file;
175extern pgprot_t pci_phys_mem_access_prot(struct file *file,
176 unsigned long pfn,
177 unsigned long size,
178 pgprot_t prot);
179
180#define HAVE_ARCH_PCI_RESOURCE_TO_USER
181extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
182 const struct resource *rsrc,
183 resource_size_t *start, resource_size_t *end);
184
185extern resource_size_t pcibios_io_space_offset(struct pci_controller *hose);
186extern void pcibios_setup_bus_devices(struct pci_bus *bus);
187extern void pcibios_setup_bus_self(struct pci_bus *bus);
188extern void pcibios_setup_phb_io_space(struct pci_controller *hose);
189extern void pcibios_scan_phb(struct pci_controller *hose);
190
191#endif
192#endif
193