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yaml
---
r: 74743
b: refs/heads/master
c: 6d98bda
h: refs/heads/master
i:
  74741: 6efdd18
  74739: 777bee4
  74735: ab92f74
v: v3
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Benjamin Herrenschmidt authored and Linus Torvalds committed Dec 10, 2007
1 parent cd97579 commit fc4f8e4
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Showing 3 changed files with 25 additions and 9 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 7fd272550bd43cc1d7289ef0ab2fa50de137e767
refs/heads/master: 6d98bda79bea0e1be26c0767d0e9923ad3b72f2e
21 changes: 15 additions & 6 deletions trunk/arch/powerpc/platforms/chrp/pci.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;

Expand All @@ -334,18 +338,23 @@ 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.
* The chip can only operate in legacy mode, so force the PCI class into legacy
* 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;
Expand All @@ -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);
11 changes: 9 additions & 2 deletions trunk/arch/powerpc/platforms/powermac/pci.c
Original file line number Diff line number Diff line change
Expand Up @@ -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

/*
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