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| Rev 4204 | Rev 4221 | ||
|---|---|---|---|
| Line 12... | Line 12... | ||
| 12 | #include <ddi.h> |
12 | #include <ddi.h> |
| 13 | #include <libarch/ddi.h> |
13 | #include <libarch/ddi.h> |
| 14 | 14 | ||
| 15 | #include "internal.h" |
15 | #include "internal.h" |
| 16 | 16 | ||
| - | 17 | #define PCI_CONF1 0xcf8 |
|
| - | 18 | #define PCI_CONF1_SIZE 8 |
|
| - | 19 | ||
| 17 | 20 | ||
| 18 | static void conf12_init(struct pci_access *a) |
21 | static void conf12_init(struct pci_access *a) |
| 19 | { |
22 | { |
| 20 | } |
23 | } |
| 21 | 24 | ||
| 22 | static void conf12_cleanup(struct pci_access *a UNUSED) |
25 | static void conf12_cleanup(struct pci_access *a UNUSED) |
| 23 | { |
26 | { |
| 24 | } |
27 | } |
| Line 68... | Line 71... | ||
| 68 | 71 | ||
| 69 | static int conf1_detect(struct pci_access *a) |
72 | static int conf1_detect(struct pci_access *a) |
| 70 | { |
73 | { |
| 71 | unsigned int tmp; |
74 | unsigned int tmp; |
| 72 | int res = 0; |
75 | int res = 0; |
| - | 76 | ||
| - | 77 | /* |
|
| - | 78 | * Gain control over PCI configuration ports. |
|
| - | 79 | */ |
|
| - | 80 | void * addr; |
|
| - | 81 | if (pio_enable((void *)PCI_CONF1, PCI_CONF1_SIZE, &addr)) { |
|
| - | 82 | return 0; |
|
| - | 83 | } |
|
| 73 | 84 | ||
| 74 | pio_write_8(0xCFB, 0x01); |
85 | pio_write_8(0xCFB, 0x01); |
| 75 | tmp = pio_read_32(0xCF8); |
86 | tmp = pio_read_32(0xCF8); |
| 76 | pio_write_32(0xCF8, 0x80000000); |
87 | pio_write_32(0xCF8, 0x80000000); |
| 77 | if (pio_read_32(0xCF8) == 0x80000000) { |
88 | if (pio_read_32(0xCF8) == 0x80000000) { |
| Line 140... | Line 151... | ||
| 140 | * Configuration type 2. Obsolete and brain-damaged, but existing. |
151 | * Configuration type 2. Obsolete and brain-damaged, but existing. |
| 141 | */ |
152 | */ |
| 142 | 153 | ||
| 143 | static int conf2_detect(struct pci_access *a) |
154 | static int conf2_detect(struct pci_access *a) |
| 144 | { |
155 | { |
| - | 156 | /* |
|
| - | 157 | * Gain control over PCI configuration ports. |
|
| - | 158 | */ |
|
| - | 159 | void * addr; |
|
| - | 160 | if (pio_enable((void *)PCI_CONF1, PCI_CONF1_SIZE, &addr)) { |
|
| - | 161 | return 0; |
|
| - | 162 | } |
|
| - | 163 | if (pio_enable((void *)0xC000, 0x1000, &addr)) { |
|
| - | 164 | return 0; |
|
| - | 165 | } |
|
| - | 166 | ||
| 145 | /* This is ugly and tends to produce false positives. Beware. */ |
167 | /* This is ugly and tends to produce false positives. Beware. */ |
| 146 | pio_write_8(0xCFB, 0x00); |
168 | pio_write_8(0xCFB, 0x00); |
| 147 | pio_write_8(0xCF8, 0x00); |
169 | pio_write_8(0xCF8, 0x00); |
| 148 | pio_write_8(0xCFA, 0x00); |
170 | pio_write_8(0xCFA, 0x00); |
| 149 | if (pio_read_8(0xCF8) == 0x00 && pio_read_8(0xCFA) == 0x00) |
171 | if (pio_read_8(0xCF8) == 0x00 && pio_read_8(0xCFA) == 0x00) |
| Line 176... | Line 198... | ||
| 176 | break; |
198 | break; |
| 177 | default: |
199 | default: |
| 178 | pio_write_8(0xcf8, 0); |
200 | pio_write_8(0xcf8, 0); |
| 179 | return pci_generic_block_read(d, pos, buf, len); |
201 | return pci_generic_block_read(d, pos, buf, len); |
| 180 | } |
202 | } |
| 181 | pio_write_8((void *)0xcf8, 0); |
203 | pio_write_8(0xcf8, 0); |
| 182 | return 1; |
204 | return 1; |
| 183 | } |
205 | } |
| 184 | 206 | ||
| 185 | static int conf2_write(struct pci_dev *d, int pos, byte * buf, int len) |
207 | static int conf2_write(struct pci_dev *d, int pos, byte * buf, int len) |
| 186 | { |
208 | { |