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* grub-core/disk/ahci.c: Do not enable I/O decoding and keep

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enabling busmaster for the end.
This commit is contained in:
Vladimir Serbinenko 2014-01-29 23:43:25 +01:00
parent ba424f37a9
commit 4686e163f2
2 changed files with 11 additions and 4 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2014-01-29 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/disk/ahci.c: Do not enable I/O decoding and keep
enabling busmaster for the end.
2014-01-29 Vladimir Serbinenko <phcoder@gmail.com>
* util/grub-mkfont.c: Downgrade warnings about unhandled features

10
grub-core/disk/ahci.c
View file

@ -194,10 +194,8 @@ grub_ahci_pciinit (grub_pci_device_t dev,
return 0;
addr = grub_pci_make_address (dev, GRUB_PCI_REG_COMMAND);
grub_pci_write_word (addr, grub_pci_read_word (addr) |
GRUB_PCI_COMMAND_IO_ENABLED
| GRUB_PCI_COMMAND_MEM_ENABLED
| GRUB_PCI_COMMAND_BUS_MASTER);
grub_pci_write_word (addr, grub_pci_read_word (addr)
| GRUB_PCI_COMMAND_MEM_ENABLED);
hba = grub_pci_device_map_range (dev, bar & GRUB_PCI_ADDR_MEM_MASK,
sizeof (hba));
@ -621,6 +619,10 @@ grub_ahci_pciinit (grub_pci_device_t dev,
if (adevs[i] && (adevs[i]->hba->ports[adevs[i]->port].sig >> 16) == 0xeb14)
adevs[i]->atapi = 1;
addr = grub_pci_make_address (dev, GRUB_PCI_REG_COMMAND);
grub_pci_write_word (addr, grub_pci_read_word (addr)
| GRUB_PCI_COMMAND_BUS_MASTER);
for (i = 0; i < nports; i++)
if (adevs[i])
{