mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
Import two PCI quirks from Linux
- Add quirk for ATI SB600 and SB700 to free SMB controller - Correct schedule sleep time to 10us on the VIA ehci controller Reported by: Dorian B<FC>ttner, Andriy Gapon Submitted by: Hans Petter Selasky
This commit is contained in:
parent
d88688c7da
commit
6450e5babf
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=197554
@ -240,6 +240,50 @@ ehci_pci_probe(device_t self)
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
ehci_pci_ati_quirk(device_t self, uint8_t is_sb700)
|
||||
{
|
||||
device_t smbdev;
|
||||
uint32_t val;
|
||||
|
||||
if (is_sb700) {
|
||||
/* Lookup SMBUS PCI device */
|
||||
smbdev = pci_find_device(PCI_EHCI_VENDORID_ATI, 0x4385);
|
||||
if (smbdev == NULL)
|
||||
return;
|
||||
val = pci_get_revid(smbdev);
|
||||
if (val != 0x3a && val != 0x3b)
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Note: this bit is described as reserved in SB700
|
||||
* Register Reference Guide.
|
||||
*/
|
||||
val = pci_read_config(self, 0x53, 1);
|
||||
if (!(val & 0x8)) {
|
||||
val |= 0x8;
|
||||
pci_write_config(self, 0x53, val, 1);
|
||||
device_printf(self, "AMD SB600/700 quirk applied\n");
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
ehci_pci_via_quirk(device_t self)
|
||||
{
|
||||
uint32_t val;
|
||||
|
||||
if ((pci_get_device(self) == 0x3104) &&
|
||||
((pci_get_revid(self) & 0xf0) == 0x60)) {
|
||||
/* Correct schedule sleep time to 10us */
|
||||
val = pci_read_config(self, 0x4b, 1);
|
||||
if (val & 0x20)
|
||||
return;
|
||||
pci_write_config(self, 0x4b, val, 1);
|
||||
device_printf(self, "VIA-quirk applied\n");
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
ehci_pci_attach(device_t self)
|
||||
{
|
||||
@ -370,6 +414,32 @@ ehci_pci_attach(device_t self)
|
||||
goto error;
|
||||
}
|
||||
ehci_pci_takecontroller(self);
|
||||
|
||||
/* Undocumented quirks taken from Linux */
|
||||
|
||||
switch (pci_get_vendor(self)) {
|
||||
case PCI_EHCI_VENDORID_ATI:
|
||||
/* SB600 and SB700 EHCI quirk */
|
||||
switch (pci_get_device(self)) {
|
||||
case 0x4386:
|
||||
ehci_pci_ati_quirk(self, 0);
|
||||
break;
|
||||
case 0x4396:
|
||||
ehci_pci_ati_quirk(self, 1);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case PCI_EHCI_VENDORID_VIA:
|
||||
ehci_pci_via_quirk(self);
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
err = ehci_init(sc);
|
||||
if (!err) {
|
||||
err = device_probe_and_attach(sc->sc_bus.bdev);
|
||||
|
Loading…
Reference in New Issue
Block a user