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10 | 10 | ||
11 | #include <string.h> |
11 | #include <string.h> |
12 | 12 | ||
13 | #include "internal.h" |
13 | #include "internal.h" |
14 | 14 | ||
15 | void |
- | |
16 | pci_generic_scan_bus(struct pci_access *a, byte *busmap, int bus) |
15 | void pci_generic_scan_bus(struct pci_access *a, byte * busmap, int bus) |
17 | { |
16 | { |
18 | int dev, multi, ht; |
17 | int dev, multi, ht; |
19 | struct pci_dev *t; |
18 | struct pci_dev *t; |
20 | 19 | ||
21 | a->debug("Scanning bus %02x for devices...\n", bus); |
20 | a->debug("Scanning bus %02x for devices...\n", bus); |
22 | if (busmap[bus]) |
21 | if (busmap[bus]) { |
23 | { |
- | |
24 | a->warning("Bus %02x seen twice (firmware bug). Ignored.", bus); |
22 | a->warning("Bus %02x seen twice (firmware bug). Ignored.", |
- | 23 | bus); |
|
25 | return; |
24 | return; |
26 | } |
25 | } |
27 | busmap[bus] = 1; |
26 | busmap[bus] = 1; |
28 | t = pci_alloc_dev(a); |
27 | t = pci_alloc_dev(a); |
29 | t->bus = bus; |
28 | t->bus = bus; |
30 | for(dev=0; dev<32; dev++) |
29 | for (dev = 0; dev < 32; dev++) { |
31 | { |
- | |
32 | t->dev = dev; |
30 | t->dev = dev; |
33 | multi = 0; |
31 | multi = 0; |
34 | for(t->func=0; !t->func || multi && t->func<8; t->func++) |
32 | for (t->func = 0; !t->func || multi && t->func < 8; |
35 | { |
33 | t->func++) { |
36 | u32 vd = pci_read_long(t, PCI_VENDOR_ID); |
34 | u32 vd = pci_read_long(t, PCI_VENDOR_ID); |
37 | struct pci_dev *d; |
35 | struct pci_dev *d; |
38 | 36 | ||
39 | if (!vd || vd == 0xffffffff) |
37 | if (!vd || vd == 0xffffffff) |
40 | continue; |
38 | continue; |
Line 49... | Line 47... | ||
49 | d->vendor_id = vd & 0xffff; |
47 | d->vendor_id = vd & 0xffff; |
50 | d->device_id = vd >> 16U; |
48 | d->device_id = vd >> 16U; |
51 | d->known_fields = PCI_FILL_IDENT; |
49 | d->known_fields = PCI_FILL_IDENT; |
52 | d->hdrtype = ht; |
50 | d->hdrtype = ht; |
53 | pci_link_dev(a, d); |
51 | pci_link_dev(a, d); |
54 | switch (ht) |
52 | switch (ht) { |
55 | { |
- | |
56 | case PCI_HEADER_TYPE_NORMAL: |
53 | case PCI_HEADER_TYPE_NORMAL: |
57 | break; |
54 | break; |
58 | case PCI_HEADER_TYPE_BRIDGE: |
55 | case PCI_HEADER_TYPE_BRIDGE: |
59 | case PCI_HEADER_TYPE_CARDBUS: |
56 | case PCI_HEADER_TYPE_CARDBUS: |
60 | pci_generic_scan_bus(a, busmap, pci_read_byte(t, PCI_SECONDARY_BUS)); |
57 | pci_generic_scan_bus(a, busmap, |
- | 58 | pci_read_byte(t, |
|
- | 59 | PCI_SECONDARY_BUS)); |
|
61 | break; |
60 | break; |
62 | default: |
61 | default: |
- | 62 | a->debug |
|
63 | a->debug("Device %04x:%02x:%02x.%d has unknown header type %02x.\n", d->domain, d->bus, d->dev, d->func, ht); |
63 | ("Device %04x:%02x:%02x.%d has unknown header type %02x.\n", |
- | 64 | d->domain, d->bus, d->dev, d->func, |
|
- | 65 | ht); |
|
64 | } |
66 | } |
65 | } |
67 | } |
66 | } |
68 | } |
67 | pci_free_dev(t); |
69 | pci_free_dev(t); |
68 | } |
70 | } |
69 | 71 | ||
70 | void |
- | |
71 | pci_generic_scan(struct pci_access *a) |
72 | void pci_generic_scan(struct pci_access *a) |
72 | { |
73 | { |
73 | byte busmap[256]; |
74 | byte busmap[256]; |
74 | 75 | ||
75 | bzero(busmap, sizeof(busmap)); |
76 | bzero(busmap, sizeof(busmap)); |
76 | pci_generic_scan_bus(a, busmap, 0); |
77 | pci_generic_scan_bus(a, busmap, 0); |
77 | } |
78 | } |
78 | 79 | ||
79 | int |
- | |
80 | pci_generic_fill_info(struct pci_dev *d, int flags) |
80 | int pci_generic_fill_info(struct pci_dev *d, int flags) |
81 | { |
81 | { |
82 | struct pci_access *a = d->access; |
82 | struct pci_access *a = d->access; |
83 | 83 | ||
84 | if ((flags & (PCI_FILL_BASES | PCI_FILL_ROM_BASE)) && d->hdrtype < 0) |
84 | if ((flags & (PCI_FILL_BASES | PCI_FILL_ROM_BASE)) |
- | 85 | && d->hdrtype < 0) |
|
85 | d->hdrtype = pci_read_byte(d, PCI_HEADER_TYPE) & 0x7f; |
86 | d->hdrtype = pci_read_byte(d, PCI_HEADER_TYPE) & 0x7f; |
86 | if (flags & PCI_FILL_IDENT) |
87 | if (flags & PCI_FILL_IDENT) { |
87 | { |
- | |
88 | d->vendor_id = pci_read_word(d, PCI_VENDOR_ID); |
88 | d->vendor_id = pci_read_word(d, PCI_VENDOR_ID); |
89 | d->device_id = pci_read_word(d, PCI_DEVICE_ID); |
89 | d->device_id = pci_read_word(d, PCI_DEVICE_ID); |
90 | } |
90 | } |
91 | if (flags & PCI_FILL_IRQ) |
91 | if (flags & PCI_FILL_IRQ) |
92 | d->irq = pci_read_byte(d, PCI_INTERRUPT_LINE); |
92 | d->irq = pci_read_byte(d, PCI_INTERRUPT_LINE); |
93 | if (flags & PCI_FILL_BASES) |
93 | if (flags & PCI_FILL_BASES) { |
94 | { |
- | |
95 | int cnt = 0, i; |
94 | int cnt = 0, i; |
96 | bzero(d->base_addr, sizeof(d->base_addr)); |
95 | bzero(d->base_addr, sizeof(d->base_addr)); |
97 | switch (d->hdrtype) |
96 | switch (d->hdrtype) { |
98 | { |
- | |
99 | case PCI_HEADER_TYPE_NORMAL: |
97 | case PCI_HEADER_TYPE_NORMAL: |
100 | cnt = 6; |
98 | cnt = 6; |
101 | break; |
99 | break; |
102 | case PCI_HEADER_TYPE_BRIDGE: |
100 | case PCI_HEADER_TYPE_BRIDGE: |
103 | cnt = 2; |
101 | cnt = 2; |
104 | break; |
102 | break; |
105 | case PCI_HEADER_TYPE_CARDBUS: |
103 | case PCI_HEADER_TYPE_CARDBUS: |
106 | cnt = 1; |
104 | cnt = 1; |
107 | break; |
105 | break; |
108 | } |
106 | } |
109 | if (cnt) |
107 | if (cnt) { |
110 | { |
- | |
111 | for(i=0; i<cnt; i++) |
108 | for (i = 0; i < cnt; i++) { |
112 | { |
109 | u32 x = |
- | 110 | pci_read_long(d, |
|
113 | u32 x = pci_read_long(d, PCI_BASE_ADDRESS_0 + i*4); |
111 | PCI_BASE_ADDRESS_0 + |
- | 112 | i * 4); |
|
114 | if (!x || x == (u32) ~0) |
113 | if (!x || x == (u32) ~ 0) |
115 | continue; |
114 | continue; |
116 | if ((x & PCI_BASE_ADDRESS_SPACE) == PCI_BASE_ADDRESS_SPACE_IO) |
115 | if ((x & PCI_BASE_ADDRESS_SPACE) == |
- | 116 | PCI_BASE_ADDRESS_SPACE_IO) |
|
117 | d->base_addr[i] = x; |
117 | d->base_addr[i] = x; |
118 | else |
118 | else { |
- | 119 | if ((x & |
|
- | 120 | PCI_BASE_ADDRESS_MEM_TYPE_MASK) |
|
119 | { |
121 | != |
120 | if ((x & PCI_BASE_ADDRESS_MEM_TYPE_MASK) != PCI_BASE_ADDRESS_MEM_TYPE_64) |
122 | PCI_BASE_ADDRESS_MEM_TYPE_64) |
121 | d->base_addr[i] = x; |
123 | d->base_addr[i] = x; |
122 | else if (i >= cnt-1) |
124 | else if (i >= cnt - 1) |
- | 125 | a->warning |
|
123 | a->warning("%04x:%02x:%02x.%d: Invalid 64-bit address seen for BAR %d.", d->domain, d->bus, d->dev, d->func, i); |
126 | ("%04x:%02x:%02x.%d: Invalid 64-bit address seen for BAR %d.", |
- | 127 | d->domain, d->bus, |
|
- | 128 | d->dev, d->func, i); |
|
124 | else |
129 | else { |
125 | { |
130 | u32 y = |
- | 131 | pci_read_long(d, |
|
126 | u32 y = pci_read_long(d, PCI_BASE_ADDRESS_0 + (++i)*4); |
132 | PCI_BASE_ADDRESS_0 |
- | 133 | + |
|
- | 134 | (++i) * |
|
- | 135 | 4); |
|
127 | #ifdef PCI_HAVE_64BIT_ADDRESS |
136 | #ifdef PCI_HAVE_64BIT_ADDRESS |
- | 137 | d->base_addr[i - 1] = |
|
128 | d->base_addr[i-1] = x | (((pciaddr_t) y) << 32); |
138 | x | (((pciaddr_t) y) << |
- | 139 | 32); |
|
129 | #else |
140 | #else |
130 | if (y) |
141 | if (y) |
- | 142 | a->warning |
|
131 | a->warning("%04x:%02x:%02x.%d 64-bit device address ignored.", d->domain, d->bus, d->dev, d->func); |
143 | ("%04x:%02x:%02x.%d 64-bit device address ignored.", |
- | 144 | d->domain, |
|
- | 145 | d->bus, |
|
- | 146 | d->dev, |
|
- | 147 | d->func); |
|
132 | else |
148 | else |
133 | d->base_addr[i-1] = x; |
149 | d->base_addr[i - |
- | 150 | 1] = |
|
- | 151 | x; |
|
134 | #endif |
152 | #endif |
135 | } |
153 | } |
136 | } |
154 | } |
137 | } |
155 | } |
138 | } |
156 | } |
139 | } |
157 | } |
140 | if (flags & PCI_FILL_ROM_BASE) |
158 | if (flags & PCI_FILL_ROM_BASE) { |
141 | { |
- | |
142 | int reg = 0; |
159 | int reg = 0; |
143 | d->rom_base_addr = 0; |
160 | d->rom_base_addr = 0; |
144 | switch (d->hdrtype) |
161 | switch (d->hdrtype) { |
145 | { |
- | |
146 | case PCI_HEADER_TYPE_NORMAL: |
162 | case PCI_HEADER_TYPE_NORMAL: |
147 | reg = PCI_ROM_ADDRESS; |
163 | reg = PCI_ROM_ADDRESS; |
148 | break; |
164 | break; |
149 | case PCI_HEADER_TYPE_BRIDGE: |
165 | case PCI_HEADER_TYPE_BRIDGE: |
150 | reg = PCI_ROM_ADDRESS1; |
166 | reg = PCI_ROM_ADDRESS1; |
151 | break; |
167 | break; |
152 | } |
168 | } |
153 | if (reg) |
169 | if (reg) { |
154 | { |
- | |
155 | u32 u = pci_read_long(d, reg); |
170 | u32 u = pci_read_long(d, reg); |
156 | if (u != 0xffffffff) |
171 | if (u != 0xffffffff) |
157 | d->rom_base_addr = u; |
172 | d->rom_base_addr = u; |
158 | } |
173 | } |
159 | } |
174 | } |
160 | return flags & ~PCI_FILL_SIZES; |
175 | return flags & ~PCI_FILL_SIZES; |
161 | } |
176 | } |
162 | 177 | ||
163 | static int |
178 | static int |
164 | pci_generic_block_op(struct pci_dev *d, int pos, byte *buf, int len, |
179 | pci_generic_block_op(struct pci_dev *d, int pos, byte * buf, int len, |
165 | int (*r)(struct pci_dev *d, int pos, byte *buf, int len)) |
180 | int (*r) (struct pci_dev * d, int pos, byte * buf, |
166 | { |
- | |
167 | if ((pos & 1) && len >= 1) |
181 | int len)) |
168 | { |
182 | { |
- | 183 | if ((pos & 1) && len >= 1) { |
|
169 | if (!r(d, pos, buf, 1)) |
184 | if (!r(d, pos, buf, 1)) |
170 | return 0; |
185 | return 0; |
- | 186 | pos++; |
|
- | 187 | buf++; |
|
171 | pos++; buf++; len--; |
188 | len--; |
172 | } |
189 | } |
173 | if ((pos & 3) && len >= 2) |
190 | if ((pos & 3) && len >= 2) { |
174 | { |
- | |
175 | if (!r(d, pos, buf, 2)) |
191 | if (!r(d, pos, buf, 2)) |
176 | return 0; |
192 | return 0; |
- | 193 | pos += 2; |
|
- | 194 | buf += 2; |
|
177 | pos += 2; buf += 2; len -= 2; |
195 | len -= 2; |
178 | } |
196 | } |
179 | while (len >= 4) |
197 | while (len >= 4) { |
180 | { |
- | |
181 | if (!r(d, pos, buf, 4)) |
198 | if (!r(d, pos, buf, 4)) |
182 | return 0; |
199 | return 0; |
- | 200 | pos += 4; |
|
- | 201 | buf += 4; |
|
183 | pos += 4; buf += 4; len -= 4; |
202 | len -= 4; |
184 | } |
203 | } |
185 | if (len >= 2) |
204 | if (len >= 2) { |
186 | { |
- | |
187 | if (!r(d, pos, buf, 2)) |
205 | if (!r(d, pos, buf, 2)) |
188 | return 0; |
206 | return 0; |
- | 207 | pos += 2; |
|
- | 208 | buf += 2; |
|
189 | pos += 2; buf += 2; len -= 2; |
209 | len -= 2; |
190 | } |
210 | } |
191 | if (len && !r(d, pos, buf, 1)) |
211 | if (len && !r(d, pos, buf, 1)) |
192 | return 0; |
212 | return 0; |
193 | return 1; |
213 | return 1; |
194 | } |
214 | } |
195 | 215 | ||
196 | int |
- | |
197 | pci_generic_block_read(struct pci_dev *d, int pos, byte *buf, int len) |
216 | int pci_generic_block_read(struct pci_dev *d, int pos, byte * buf, int len) |
198 | { |
217 | { |
199 | return pci_generic_block_op(d, pos, buf, len, d->access->methods->read); |
218 | return pci_generic_block_op(d, pos, buf, len, |
- | 219 | d->access->methods->read); |
|
200 | } |
220 | } |
201 | 221 | ||
202 | int |
- | |
203 | pci_generic_block_write(struct pci_dev *d, int pos, byte *buf, int len) |
222 | int pci_generic_block_write(struct pci_dev *d, int pos, byte * buf, int len) |
204 | { |
223 | { |
205 | return pci_generic_block_op(d, pos, buf, len, d->access->methods->write); |
224 | return pci_generic_block_op(d, pos, buf, len, |
- | 225 | d->access->methods->write); |
|
206 | } |
226 | } |