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make sure PCI cards can become bus masters

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This commit is contained in:
Markus Fröschle
2021-01-10 12:52:07 +01:00
parent 72011bb875
commit 5319aab544
1 changed files with 3 additions and 2 deletions
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5
pci/pci.c
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@@ -952,7 +952,8 @@ static void pci_device_config(uint16_t bus, uint16_t device, uint16_t function)
/* disable interrupt on PCI device */ /* disable interrupt on PCI device */
cr |= PCICR_INT_DISABLE; cr &= ~PCICR_INT_DISABLE;
cr |= PCICR_MASTER;
/* /*
* enable device memory or I/O access * enable device memory or I/O access
@@ -974,7 +975,7 @@ static void pci_bridge_config(uint16_t bus, uint16_t device, uint16_t function)
pci_write_config_longword(handle, PCIBISTR, MCF_PCI_PCICR1_CACHELINESIZE(8) | pci_write_config_longword(handle, PCIBISTR, MCF_PCI_PCICR1_CACHELINESIZE(8) |
MCF_PCI_PCICR1_LATTIMER(0x20)); MCF_PCI_PCICR1_LATTIMER(0x20));
pci_write_config_longword(handle, PCIBAR0, swpl(0x00000000)); pci_write_config_longword(handle, PCIBAR0, swpl(0x40000000));
pci_write_config_longword(handle, PCIBAR1, 0x0); pci_write_config_longword(handle, PCIBAR1, 0x0);
pci_write_config_word(handle, PCI_LANESWAP_W(PCICR), swpw( pci_write_config_word(handle, PCI_LANESWAP_W(PCICR), swpw(
(1 << 1) /* memory space */ (1 << 1) /* memory space */