DECLARE_GLOBAL_DATA_PTR;
-static struct pci_controller x86_hose;
-
-int pci_early_init_hose(struct pci_controller **hosep)
-{
- struct pci_controller *hose;
-
- hose = calloc(1, sizeof(struct pci_controller));
- if (!hose)
- return -ENOMEM;
-
- board_pci_setup_hose(hose);
- pci_setup_type1(hose);
- hose->last_busno = pci_hose_scan(hose);
- gd->hose = hose;
- *hosep = hose;
-
- return 0;
-}
-
-__weak int board_pci_pre_scan(struct pci_controller *hose)
-{
- return 0;
-}
-
-__weak int board_pci_post_scan(struct pci_controller *hose)
-{
- return 0;
-}
-
-void pci_init_board(void)
-{
- struct pci_controller *hose = &x86_hose;
-
- /* Stop using the early hose */
- gd->hose = NULL;
-
- board_pci_setup_hose(hose);
- pci_setup_type1(hose);
- pci_register_hose(hose);
-
- board_pci_pre_scan(hose);
- hose->last_busno = pci_hose_scan(hose);
- board_pci_post_scan(hose);
-}
-
static struct pci_controller *get_hose(void)
{
if (gd->hose)
{
uint8_t value;
- pci_hose_read_config_byte(get_hose(), dev, where, &value);
+ if (pci_hose_read_config_byte(get_hose(), dev, where, &value))
+ return -1U;
return value;
}
{
uint16_t value;
- pci_hose_read_config_word(get_hose(), dev, where, &value);
+ if (pci_hose_read_config_word(get_hose(), dev, where, &value))
+ return -1U;
return value;
}
{
uint32_t value;
- pci_hose_read_config_dword(get_hose(), dev, where, &value);
+ if (pci_hose_read_config_dword(get_hose(), dev, where, &value))
+ return -1U;
return value;
}
return 0;
}
-void pci_assign_irqs(int bus, int device, int func, u8 irq[4])
+void pci_assign_irqs(int bus, int device, u8 irq[4])
{
pci_dev_t bdf;
+ int func;
+ u16 vendor;
u8 pin, line;
- bdf = PCI_BDF(bus, device, func);
+ for (func = 0; func < 8; func++) {
+ bdf = PCI_BDF(bus, device, func);
+ vendor = x86_pci_read_config16(bdf, PCI_VENDOR_ID);
+ if (vendor == 0xffff || vendor == 0x0000)
+ continue;
- pin = x86_pci_read_config8(bdf, PCI_INTERRUPT_PIN);
+ pin = x86_pci_read_config8(bdf, PCI_INTERRUPT_PIN);
- /* PCI spec says all values except 1..4 are reserved */
- if ((pin < 1) || (pin > 4))
- return;
+ /* PCI spec says all values except 1..4 are reserved */
+ if ((pin < 1) || (pin > 4))
+ continue;
- line = irq[pin - 1];
+ line = irq[pin - 1];
+ if (!line)
+ continue;
- debug("Assigning IRQ %d to PCI device %d.%x.%d (INT%c)\n",
- line, bus, device, func, 'A' + pin - 1);
+ debug("Assigning IRQ %d to PCI device %d.%x.%d (INT%c)\n",
+ line, bus, device, func, 'A' + pin - 1);
- x86_pci_write_config8(bdf, PCI_INTERRUPT_LINE, line);
+ x86_pci_write_config8(bdf, PCI_INTERRUPT_LINE, line);
+ }
}