diff options
Diffstat (limited to 'include/asm-powerpc/pci-bridge.h')
-rw-r--r-- | include/asm-powerpc/pci-bridge.h | 199 |
1 files changed, 96 insertions, 103 deletions
diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h index d8bdc79db12e..e5802c62f428 100644 --- a/include/asm-powerpc/pci-bridge.h +++ b/include/asm-powerpc/pci-bridge.h | |||
@@ -1,15 +1,42 @@ | |||
1 | #ifndef _ASM_POWERPC_PCI_BRIDGE_H | 1 | #ifndef _ASM_POWERPC_PCI_BRIDGE_H |
2 | #define _ASM_POWERPC_PCI_BRIDGE_H | 2 | #define _ASM_POWERPC_PCI_BRIDGE_H |
3 | #ifdef __KERNEL__ | 3 | #ifdef __KERNEL__ |
4 | 4 | /* | |
5 | * This program is free software; you can redistribute it and/or | ||
6 | * modify it under the terms of the GNU General Public License | ||
7 | * as published by the Free Software Foundation; either version | ||
8 | * 2 of the License, or (at your option) any later version. | ||
9 | */ | ||
5 | #include <linux/pci.h> | 10 | #include <linux/pci.h> |
6 | #include <linux/list.h> | 11 | #include <linux/list.h> |
7 | #include <linux/ioport.h> | 12 | #include <linux/ioport.h> |
8 | 13 | ||
9 | #ifndef CONFIG_PPC64 | ||
10 | |||
11 | struct device_node; | 14 | struct device_node; |
12 | struct pci_controller; | 15 | |
16 | extern unsigned int ppc_pci_flags; | ||
17 | enum { | ||
18 | /* Force re-assigning all resources (ignore firmware | ||
19 | * setup completely) | ||
20 | */ | ||
21 | PPC_PCI_REASSIGN_ALL_RSRC = 0x00000001, | ||
22 | |||
23 | /* Re-assign all bus numbers */ | ||
24 | PPC_PCI_REASSIGN_ALL_BUS = 0x00000002, | ||
25 | |||
26 | /* Do not try to assign, just use existing setup */ | ||
27 | PPC_PCI_PROBE_ONLY = 0x00000004, | ||
28 | |||
29 | /* Don't bother with ISA alignment unless the bridge has | ||
30 | * ISA forwarding enabled | ||
31 | */ | ||
32 | PPC_PCI_CAN_SKIP_ISA_ALIGN = 0x00000008, | ||
33 | |||
34 | /* Enable domain numbers in /proc */ | ||
35 | PPC_PCI_ENABLE_PROC_DOMAINS = 0x00000010, | ||
36 | /* ... except for domain 0 */ | ||
37 | PPC_PCI_COMPAT_DOMAIN_0 = 0x00000020, | ||
38 | }; | ||
39 | |||
13 | 40 | ||
14 | /* | 41 | /* |
15 | * Structure of a PCI controller (host bridge) | 42 | * Structure of a PCI controller (host bridge) |
@@ -17,26 +44,41 @@ struct pci_controller; | |||
17 | struct pci_controller { | 44 | struct pci_controller { |
18 | struct pci_bus *bus; | 45 | struct pci_bus *bus; |
19 | char is_dynamic; | 46 | char is_dynamic; |
20 | void *arch_data; | 47 | #ifdef CONFIG_PPC64 |
48 | int node; | ||
49 | #endif | ||
50 | struct device_node *dn; | ||
21 | struct list_head list_node; | 51 | struct list_head list_node; |
22 | struct device *parent; | 52 | struct device *parent; |
23 | 53 | ||
24 | int first_busno; | 54 | int first_busno; |
25 | int last_busno; | 55 | int last_busno; |
56 | #ifndef CONFIG_PPC64 | ||
26 | int self_busno; | 57 | int self_busno; |
58 | #endif | ||
27 | 59 | ||
28 | void __iomem *io_base_virt; | 60 | void __iomem *io_base_virt; |
61 | #ifdef CONFIG_PPC64 | ||
62 | void *io_base_alloc; | ||
63 | #endif | ||
29 | resource_size_t io_base_phys; | 64 | resource_size_t io_base_phys; |
65 | #ifndef CONFIG_PPC64 | ||
66 | resource_size_t pci_io_size; | ||
67 | #endif | ||
30 | 68 | ||
31 | /* Some machines (PReP) have a non 1:1 mapping of | 69 | /* Some machines (PReP) have a non 1:1 mapping of |
32 | * the PCI memory space in the CPU bus space | 70 | * the PCI memory space in the CPU bus space |
33 | */ | 71 | */ |
34 | resource_size_t pci_mem_offset; | 72 | resource_size_t pci_mem_offset; |
73 | #ifdef CONFIG_PPC64 | ||
74 | unsigned long pci_io_size; | ||
75 | #endif | ||
35 | 76 | ||
36 | struct pci_ops *ops; | 77 | struct pci_ops *ops; |
37 | volatile unsigned int __iomem *cfg_addr; | 78 | unsigned int __iomem *cfg_addr; |
38 | volatile void __iomem *cfg_data; | 79 | void __iomem *cfg_data; |
39 | 80 | ||
81 | #ifndef CONFIG_PPC64 | ||
40 | /* | 82 | /* |
41 | * Used for variants of PCI indirect handling and possible quirks: | 83 | * Used for variants of PCI indirect handling and possible quirks: |
42 | * SET_CFG_TYPE - used on 4xx or any PHB that does explicit type0/1 | 84 | * SET_CFG_TYPE - used on 4xx or any PHB that does explicit type0/1 |
@@ -51,21 +93,30 @@ struct pci_controller { | |||
51 | * set. | 93 | * set. |
52 | * BIG_ENDIAN - cfg_addr is a big endian register | 94 | * BIG_ENDIAN - cfg_addr is a big endian register |
53 | */ | 95 | */ |
54 | #define PPC_INDIRECT_TYPE_SET_CFG_TYPE (0x00000001) | 96 | #define PPC_INDIRECT_TYPE_SET_CFG_TYPE 0x00000001 |
55 | #define PPC_INDIRECT_TYPE_EXT_REG (0x00000002) | 97 | #define PPC_INDIRECT_TYPE_EXT_REG 0x00000002 |
56 | #define PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS (0x00000004) | 98 | #define PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS 0x00000004 |
57 | #define PPC_INDIRECT_TYPE_NO_PCIE_LINK (0x00000008) | 99 | #define PPC_INDIRECT_TYPE_NO_PCIE_LINK 0x00000008 |
58 | #define PPC_INDIRECT_TYPE_BIG_ENDIAN (0x00000010) | 100 | #define PPC_INDIRECT_TYPE_BIG_ENDIAN 0x00000010 |
59 | u32 indirect_type; | 101 | u32 indirect_type; |
60 | 102 | #endif /* !CONFIG_PPC64 */ | |
61 | /* Currently, we limit ourselves to 1 IO range and 3 mem | 103 | /* Currently, we limit ourselves to 1 IO range and 3 mem |
62 | * ranges since the common pci_bus structure can't handle more | 104 | * ranges since the common pci_bus structure can't handle more |
63 | */ | 105 | */ |
64 | struct resource io_resource; | 106 | struct resource io_resource; |
65 | struct resource mem_resources[3]; | 107 | struct resource mem_resources[3]; |
66 | int global_number; /* PCI domain number */ | 108 | int global_number; /* PCI domain number */ |
109 | #ifdef CONFIG_PPC64 | ||
110 | unsigned long buid; | ||
111 | unsigned long dma_window_base_cur; | ||
112 | unsigned long dma_window_size; | ||
113 | |||
114 | void *private_data; | ||
115 | #endif /* CONFIG_PPC64 */ | ||
67 | }; | 116 | }; |
68 | 117 | ||
118 | #ifndef CONFIG_PPC64 | ||
119 | |||
69 | static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus) | 120 | static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus) |
70 | { | 121 | { |
71 | return bus->sysdata; | 122 | return bus->sysdata; |
@@ -81,18 +132,18 @@ static inline int isa_vaddr_is_ioport(void __iomem *address) | |||
81 | 132 | ||
82 | /* These are used for config access before all the PCI probing | 133 | /* These are used for config access before all the PCI probing |
83 | has been done. */ | 134 | has been done. */ |
84 | int early_read_config_byte(struct pci_controller *hose, int bus, int dev_fn, | 135 | extern int early_read_config_byte(struct pci_controller *hose, int bus, |
85 | int where, u8 *val); | 136 | int dev_fn, int where, u8 *val); |
86 | int early_read_config_word(struct pci_controller *hose, int bus, int dev_fn, | 137 | extern int early_read_config_word(struct pci_controller *hose, int bus, |
87 | int where, u16 *val); | 138 | int dev_fn, int where, u16 *val); |
88 | int early_read_config_dword(struct pci_controller *hose, int bus, int dev_fn, | 139 | extern int early_read_config_dword(struct pci_controller *hose, int bus, |
89 | int where, u32 *val); | 140 | int dev_fn, int where, u32 *val); |
90 | int early_write_config_byte(struct pci_controller *hose, int bus, int dev_fn, | 141 | extern int early_write_config_byte(struct pci_controller *hose, int bus, |
91 | int where, u8 val); | 142 | int dev_fn, int where, u8 val); |
92 | int early_write_config_word(struct pci_controller *hose, int bus, int dev_fn, | 143 | extern int early_write_config_word(struct pci_controller *hose, int bus, |
93 | int where, u16 val); | 144 | int dev_fn, int where, u16 val); |
94 | int early_write_config_dword(struct pci_controller *hose, int bus, int dev_fn, | 145 | extern int early_write_config_dword(struct pci_controller *hose, int bus, |
95 | int where, u32 val); | 146 | int dev_fn, int where, u32 val); |
96 | 147 | ||
97 | extern int early_find_capability(struct pci_controller *hose, int bus, | 148 | extern int early_find_capability(struct pci_controller *hose, int bus, |
98 | int dev_fn, int cap); | 149 | int dev_fn, int cap); |
@@ -101,87 +152,33 @@ extern void setup_indirect_pci(struct pci_controller* hose, | |||
101 | resource_size_t cfg_addr, | 152 | resource_size_t cfg_addr, |
102 | resource_size_t cfg_data, u32 flags); | 153 | resource_size_t cfg_data, u32 flags); |
103 | extern void setup_grackle(struct pci_controller *hose); | 154 | extern void setup_grackle(struct pci_controller *hose); |
104 | extern void __init update_bridge_resource(struct pci_dev *dev, | 155 | #else /* CONFIG_PPC64 */ |
105 | struct resource *res); | ||
106 | |||
107 | #else | ||
108 | |||
109 | |||
110 | /* | ||
111 | * This program is free software; you can redistribute it and/or | ||
112 | * modify it under the terms of the GNU General Public License | ||
113 | * as published by the Free Software Foundation; either version | ||
114 | * 2 of the License, or (at your option) any later version. | ||
115 | */ | ||
116 | |||
117 | /* | ||
118 | * Structure of a PCI controller (host bridge) | ||
119 | */ | ||
120 | struct pci_controller { | ||
121 | struct pci_bus *bus; | ||
122 | char is_dynamic; | ||
123 | int node; | ||
124 | void *arch_data; | ||
125 | struct list_head list_node; | ||
126 | struct device *parent; | ||
127 | |||
128 | int first_busno; | ||
129 | int last_busno; | ||
130 | |||
131 | void __iomem *io_base_virt; | ||
132 | void *io_base_alloc; | ||
133 | resource_size_t io_base_phys; | ||
134 | |||
135 | /* Some machines have a non 1:1 mapping of | ||
136 | * the PCI memory space in the CPU bus space | ||
137 | */ | ||
138 | resource_size_t pci_mem_offset; | ||
139 | unsigned long pci_io_size; | ||
140 | |||
141 | struct pci_ops *ops; | ||
142 | volatile unsigned int __iomem *cfg_addr; | ||
143 | volatile void __iomem *cfg_data; | ||
144 | |||
145 | /* Currently, we limit ourselves to 1 IO range and 3 mem | ||
146 | * ranges since the common pci_bus structure can't handle more | ||
147 | */ | ||
148 | struct resource io_resource; | ||
149 | struct resource mem_resources[3]; | ||
150 | int global_number; | ||
151 | unsigned long buid; | ||
152 | unsigned long dma_window_base_cur; | ||
153 | unsigned long dma_window_size; | ||
154 | |||
155 | void *private_data; | ||
156 | }; | ||
157 | 156 | ||
158 | /* | 157 | /* |
159 | * PCI stuff, for nodes representing PCI devices, pointed to | 158 | * PCI stuff, for nodes representing PCI devices, pointed to |
160 | * by device_node->data. | 159 | * by device_node->data. |
161 | */ | 160 | */ |
162 | struct pci_controller; | ||
163 | struct iommu_table; | 161 | struct iommu_table; |
164 | 162 | ||
165 | struct pci_dn { | 163 | struct pci_dn { |
166 | int busno; /* pci bus number */ | 164 | int busno; /* pci bus number */ |
167 | int bussubno; /* pci subordinate bus number */ | ||
168 | int devfn; /* pci device and function number */ | 165 | int devfn; /* pci device and function number */ |
169 | int class_code; /* pci device class */ | ||
170 | 166 | ||
171 | struct pci_controller *phb; /* for pci devices */ | 167 | struct pci_controller *phb; /* for pci devices */ |
172 | struct iommu_table *iommu_table; /* for phb's or bridges */ | 168 | struct iommu_table *iommu_table; /* for phb's or bridges */ |
173 | struct pci_dev *pcidev; /* back-pointer to the pci device */ | ||
174 | struct device_node *node; /* back-pointer to the device_node */ | 169 | struct device_node *node; /* back-pointer to the device_node */ |
175 | 170 | ||
176 | int pci_ext_config_space; /* for pci devices */ | 171 | int pci_ext_config_space; /* for pci devices */ |
177 | 172 | ||
178 | #ifdef CONFIG_EEH | 173 | #ifdef CONFIG_EEH |
174 | struct pci_dev *pcidev; /* back-pointer to the pci device */ | ||
175 | int class_code; /* pci device class */ | ||
179 | int eeh_mode; /* See eeh.h for possible EEH_MODEs */ | 176 | int eeh_mode; /* See eeh.h for possible EEH_MODEs */ |
180 | int eeh_config_addr; | 177 | int eeh_config_addr; |
181 | int eeh_pe_config_addr; /* new-style partition endpoint address */ | 178 | int eeh_pe_config_addr; /* new-style partition endpoint address */ |
182 | int eeh_check_count; /* # times driver ignored error */ | 179 | int eeh_check_count; /* # times driver ignored error */ |
183 | int eeh_freeze_count; /* # times this device froze up. */ | 180 | int eeh_freeze_count; /* # times this device froze up. */ |
184 | int eeh_false_positives; /* # times this device reported #ff's */ | 181 | int eeh_false_positives; /* # times this device reported #ff's */ |
185 | u32 config_space[16]; /* saved PCI config space */ | 182 | u32 config_space[16]; /* saved PCI config space */ |
186 | #endif | 183 | #endif |
187 | }; | 184 | }; |
@@ -189,7 +186,7 @@ struct pci_dn { | |||
189 | /* Get the pointer to a device_node's pci_dn */ | 186 | /* Get the pointer to a device_node's pci_dn */ |
190 | #define PCI_DN(dn) ((struct pci_dn *) (dn)->data) | 187 | #define PCI_DN(dn) ((struct pci_dn *) (dn)->data) |
191 | 188 | ||
192 | struct device_node *fetch_dev_dn(struct pci_dev *dev); | 189 | extern struct device_node *fetch_dev_dn(struct pci_dev *dev); |
193 | 190 | ||
194 | /* Get a device_node from a pci_dev. This code must be fast except | 191 | /* Get a device_node from a pci_dev. This code must be fast except |
195 | * in the case where the sysdata is incorrect and needs to be fixed | 192 | * in the case where the sysdata is incorrect and needs to be fixed |
@@ -227,14 +224,14 @@ static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus) | |||
227 | } | 224 | } |
228 | 225 | ||
229 | /** Find the bus corresponding to the indicated device node */ | 226 | /** Find the bus corresponding to the indicated device node */ |
230 | struct pci_bus * pcibios_find_pci_bus(struct device_node *dn); | 227 | extern struct pci_bus *pcibios_find_pci_bus(struct device_node *dn); |
231 | 228 | ||
232 | /** Remove all of the PCI devices under this bus */ | 229 | /** Remove all of the PCI devices under this bus */ |
233 | void pcibios_remove_pci_devices(struct pci_bus *bus); | 230 | extern void pcibios_remove_pci_devices(struct pci_bus *bus); |
234 | 231 | ||
235 | /** Discover new pci devices under this bus, and add them */ | 232 | /** Discover new pci devices under this bus, and add them */ |
236 | void pcibios_add_pci_devices(struct pci_bus * bus); | 233 | extern void pcibios_add_pci_devices(struct pci_bus *bus); |
237 | void pcibios_fixup_new_pci_devices(struct pci_bus *bus, int fix_bus); | 234 | extern void pcibios_fixup_new_pci_devices(struct pci_bus *bus); |
238 | 235 | ||
239 | extern int pcibios_remove_root_bus(struct pci_controller *phb); | 236 | extern int pcibios_remove_root_bus(struct pci_controller *phb); |
240 | 237 | ||
@@ -270,20 +267,18 @@ extern int pcibios_map_io_space(struct pci_bus *bus); | |||
270 | #define PHB_SET_NODE(PHB, NODE) ((PHB)->node = -1) | 267 | #define PHB_SET_NODE(PHB, NODE) ((PHB)->node = -1) |
271 | #endif | 268 | #endif |
272 | 269 | ||
273 | #endif /* CONFIG_PPC64 */ | 270 | #endif /* CONFIG_PPC64 */ |
274 | 271 | ||
275 | /* Get the PCI host controller for an OF device */ | 272 | /* Get the PCI host controller for an OF device */ |
276 | extern struct pci_controller* | 273 | extern struct pci_controller *pci_find_hose_for_OF_device( |
277 | pci_find_hose_for_OF_device(struct device_node* node); | 274 | struct device_node* node); |
278 | 275 | ||
279 | /* Fill up host controller resources from the OF node */ | 276 | /* Fill up host controller resources from the OF node */ |
280 | extern void | 277 | extern void pci_process_bridge_OF_ranges(struct pci_controller *hose, |
281 | pci_process_bridge_OF_ranges(struct pci_controller *hose, | 278 | struct device_node *dev, int primary); |
282 | struct device_node *dev, int primary); | ||
283 | 279 | ||
284 | /* Allocate & free a PCI host bridge structure */ | 280 | /* Allocate & free a PCI host bridge structure */ |
285 | extern struct pci_controller * | 281 | extern struct pci_controller *pcibios_alloc_controller(struct device_node *dev); |
286 | pcibios_alloc_controller(struct device_node *dev); | ||
287 | extern void pcibios_free_controller(struct pci_controller *phb); | 282 | extern void pcibios_free_controller(struct pci_controller *phb); |
288 | 283 | ||
289 | #ifdef CONFIG_PCI | 284 | #ifdef CONFIG_PCI |
@@ -298,9 +293,7 @@ static inline int pcibios_vaddr_is_ioport(void __iomem *address) | |||
298 | { | 293 | { |
299 | return 0; | 294 | return 0; |
300 | } | 295 | } |
301 | #endif | 296 | #endif /* CONFIG_PCI */ |
302 | |||
303 | 297 | ||
304 | 298 | #endif /* __KERNEL__ */ | |
305 | #endif /* __KERNEL__ */ | 299 | #endif /* _ASM_POWERPC_PCI_BRIDGE_H */ |
306 | #endif | ||