diff options
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/chrp/pci.c | 21 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powermac/pci.c | 11 |
2 files changed, 24 insertions, 8 deletions
diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c index e43465d34d2..0340a342f77 100644 --- a/arch/powerpc/platforms/chrp/pci.c +++ b/arch/powerpc/platforms/chrp/pci.c @@ -317,8 +317,12 @@ chrp_find_bridges(void) /* SL82C105 IDE Control/Status Register */ #define SL82C105_IDECSR 0x40 -/* Fixup for Winbond ATA quirk, required for briq */ -void chrp_pci_fixup_winbond_ata(struct pci_dev *sl82c105) +/* Fixup for Winbond ATA quirk, required for briq mostly because the + * 8259 is configured for level sensitive IRQ 14 and so wants the + * ATA controller to be set to fully native mode or bad things + * will happen. + */ +static void __devinit chrp_pci_fixup_winbond_ata(struct pci_dev *sl82c105) { u8 progif; @@ -334,10 +338,15 @@ void chrp_pci_fixup_winbond_ata(struct pci_dev *sl82c105) sl82c105->class |= 0x05; /* Disable SL82C105 second port */ pci_write_config_word(sl82c105, SL82C105_IDECSR, 0x0003); + /* Clear IO BARs, they will be reassigned */ + pci_write_config_dword(sl82c105, PCI_BASE_ADDRESS_0, 0); + pci_write_config_dword(sl82c105, PCI_BASE_ADDRESS_1, 0); + pci_write_config_dword(sl82c105, PCI_BASE_ADDRESS_2, 0); + pci_write_config_dword(sl82c105, PCI_BASE_ADDRESS_3, 0); } } -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105, - chrp_pci_fixup_winbond_ata); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105, + chrp_pci_fixup_winbond_ata); /* Pegasos2 firmware version 20040810 configures the built-in IDE controller * in legacy mode, but sets the PCI registers to PCI native mode. @@ -345,7 +354,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105, * mode as well. The same fixup must be done to the class-code property in * the IDE node /pci@80000000/ide@C,1 */ -static void chrp_pci_fixup_vt8231_ata(struct pci_dev *viaide) +static void __devinit chrp_pci_fixup_vt8231_ata(struct pci_dev *viaide) { u8 progif; struct pci_dev *viaisa; @@ -366,4 +375,4 @@ static void chrp_pci_fixup_vt8231_ata(struct pci_dev *viaide) pci_dev_put(viaisa); } -DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, chrp_pci_fixup_vt8231_ata); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, chrp_pci_fixup_vt8231_ata); diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index ec49099830d..f852ae3e0ee 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -1243,15 +1243,22 @@ void pmac_pci_fixup_pciata(struct pci_dev* dev) good: pci_read_config_byte(dev, PCI_CLASS_PROG, &progif); if ((progif & 5) != 5) { - printk(KERN_INFO "Forcing PCI IDE into native mode: %s\n", + printk(KERN_INFO "PCI: %s Forcing PCI IDE into native mode\n", pci_name(dev)); (void) pci_write_config_byte(dev, PCI_CLASS_PROG, progif|5); if (pci_read_config_byte(dev, PCI_CLASS_PROG, &progif) || (progif & 5) != 5) printk(KERN_ERR "Rewrite of PROGIF failed !\n"); + else { + /* Clear IO BARs, they will be reassigned */ + pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, 0); + pci_write_config_dword(dev, PCI_BASE_ADDRESS_1, 0); + pci_write_config_dword(dev, PCI_BASE_ADDRESS_2, 0); + pci_write_config_dword(dev, PCI_BASE_ADDRESS_3, 0); + } } } -DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, pmac_pci_fixup_pciata); +DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, pmac_pci_fixup_pciata); #endif /* |