| 14,9 → 14,12 |
|---|
| |
| #include "internal.h" |
| |
| #define PCI_CONF1 0xcf8 |
| #define PCI_CONF1_SIZE 8 |
| |
| |
| static void conf12_init(struct pci_access *a) |
| { |
| { |
| } |
| |
| static void conf12_cleanup(struct pci_access *a UNUSED) |
| 70,6 → 73,14 |
|---|
| { |
| unsigned int tmp; |
| int res = 0; |
| |
| /* |
| * Gain control over PCI configuration ports. |
| */ |
| void * addr; |
| if (pio_enable((void *)PCI_CONF1, PCI_CONF1_SIZE, &addr)) { |
| return 0; |
| } |
| |
| pio_write_8(0xCFB, 0x01); |
| tmp = pio_read_32(0xCF8); |
| 142,6 → 153,17 |
|---|
| |
| static int conf2_detect(struct pci_access *a) |
| { |
| /* |
| * Gain control over PCI configuration ports. |
| */ |
| void * addr; |
| if (pio_enable((void *)PCI_CONF1, PCI_CONF1_SIZE, &addr)) { |
| return 0; |
| } |
| if (pio_enable((void *)0xC000, 0x1000, &addr)) { |
| return 0; |
| } |
| |
| /* This is ugly and tends to produce false positives. Beware. */ |
| pio_write_8(0xCFB, 0x00); |
| pio_write_8(0xCF8, 0x00); |
| 178,7 → 200,7 |
|---|
| pio_write_8(0xcf8, 0); |
| return pci_generic_block_read(d, pos, buf, len); |
| } |
| pio_write_8((void *)0xcf8, 0); |
| pio_write_8(0xcf8, 0); |
| return 1; |
| } |
| |