| Message ID | 1386633442-12509-1-git-send-email-natg@google.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
On Mon, Dec 9, 2013 at 4:57 PM, Nat Gurumoorthy <natg@google.com> wrote: > The new tg3 driver leaves REG_BASE_ADDR (PCI config offset 120) > uninitialized. From power on reset this register may have garbage in it. The > Register Base Address register defines the device local address of a > register. The data pointed to by this location is read or written using > the Register Data register (PCI config offset 128). When REG_BASE_ADDR has > garbage any read or write of Register Data Register (PCI 128) will cause the > PCI bus to lock up. The TCO watchdog will fire and bring down the system. > > Signed-off-by: <natg@google.com> > --- > drivers/pci/quirks.c | 138 +++++++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 138 insertions(+) > > diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c > index 3a02717..b9a289b 100644 > --- a/drivers/pci/quirks.c > +++ b/drivers/pci/quirks.c > @@ -3461,3 +3461,141 @@ int pci_dev_specific_acs_enabled(struct pci_dev *dev, u16 acs_flags) > > return -ENOTTY; > } > + > +/* > + * This is a quirk is to initialize REG_BASE_ADDR at PCI config offset 120 > + * to 0 for all Broadcom devices controlled by the TIGON3 driver. > + */ > +static void tg3_init_reg_base_addr(struct pci_dev *dev) > +{ > + pci_write_config_dword(dev, 120, 0); > +} > + > + > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700, > + tg3_init_reg_base_addr); Wow, this looks like a maintenance nightmare :) It wouldn't be quite so bad if we knew that Broadcom were changing this register so it had a defined state after reset. If we have to add IDs for every new chip to this list, that will really be a hassle. And it's not a very obvious failure, so the list would only be updated haphazardly. "lspci -x" only shows the first 64 bytes, and the man page warns that "lspci -xxx", which dumps all config space, causes some PCI devices to crash. So it seems a little odd that the /sys/.../config file gives us 256 bytes (at least). I don't know the history of that size, though. Hmmm... Bjorn > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SYSKONNECT, > + PCI_DEVICE_ID_SYSKONNECT_9DXX, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SYSKONNECT, > + PCI_DEVICE_ID_SYSKONNECT_9MXX, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3, > + tg3_init_reg_base_addr); > +DECLARE_PCI_FIXUP_EARLY(0x10cf, 0x11a2, tg3_init_reg_base_addr); > -- > 1.8.5.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Looks like we are going to abandon this patch and go with the original one line fix to drivers/net/ethenet/broadcom/tg3.c. Nat On Mon, Dec 9, 2013 at 4:32 PM, Bjorn Helgaas <bhelgaas@google.com> wrote: > On Mon, Dec 9, 2013 at 4:57 PM, Nat Gurumoorthy <natg@google.com> wrote: >> The new tg3 driver leaves REG_BASE_ADDR (PCI config offset 120) >> uninitialized. From power on reset this register may have garbage in it. The >> Register Base Address register defines the device local address of a >> register. The data pointed to by this location is read or written using >> the Register Data register (PCI config offset 128). When REG_BASE_ADDR has >> garbage any read or write of Register Data Register (PCI 128) will cause the >> PCI bus to lock up. The TCO watchdog will fire and bring down the system. >> >> Signed-off-by: <natg@google.com> >> --- >> drivers/pci/quirks.c | 138 +++++++++++++++++++++++++++++++++++++++++++++++++++ >> 1 file changed, 138 insertions(+) >> >> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c >> index 3a02717..b9a289b 100644 >> --- a/drivers/pci/quirks.c >> +++ b/drivers/pci/quirks.c >> @@ -3461,3 +3461,141 @@ int pci_dev_specific_acs_enabled(struct pci_dev *dev, u16 acs_flags) >> >> return -ENOTTY; >> } >> + >> +/* >> + * This is a quirk is to initialize REG_BASE_ADDR at PCI config offset 120 >> + * to 0 for all Broadcom devices controlled by the TIGON3 driver. >> + */ >> +static void tg3_init_reg_base_addr(struct pci_dev *dev) >> +{ >> + pci_write_config_dword(dev, 120, 0); >> +} >> + >> + >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700, >> + tg3_init_reg_base_addr); > > Wow, this looks like a maintenance nightmare :) It wouldn't be quite > so bad if we knew that Broadcom were changing this register so it had > a defined state after reset. If we have to add IDs for every new chip > to this list, that will really be a hassle. And it's not a very > obvious failure, so the list would only be updated haphazardly. > > "lspci -x" only shows the first 64 bytes, and the man page warns that > "lspci -xxx", which dumps all config space, causes some PCI devices to > crash. So it seems a little odd that the /sys/.../config file gives > us 256 bytes (at least). I don't know the history of that size, > though. Hmmm... > > Bjorn > >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SYSKONNECT, >> + PCI_DEVICE_ID_SYSKONNECT_9DXX, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SYSKONNECT, >> + PCI_DEVICE_ID_SYSKONNECT_9MXX, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3, >> + tg3_init_reg_base_addr); >> +DECLARE_PCI_FIXUP_EARLY(0x10cf, 0x11a2, tg3_init_reg_base_addr); >> -- >> 1.8.5.1 >>
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 3a02717..b9a289b 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3461,3 +3461,141 @@ int pci_dev_specific_acs_enabled(struct pci_dev *dev, u16 acs_flags) return -ENOTTY; } + +/* + * This is a quirk is to initialize REG_BASE_ADDR at PCI config offset 120 + * to 0 for all Broadcom devices controlled by the TIGON3 driver. + */ +static void tg3_init_reg_base_addr(struct pci_dev *dev) +{ + pci_write_config_dword(dev, 120, 0); +} + + +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SYSKONNECT, + PCI_DEVICE_ID_SYSKONNECT_9DXX, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SYSKONNECT, + PCI_DEVICE_ID_SYSKONNECT_9MXX, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3, + tg3_init_reg_base_addr); +DECLARE_PCI_FIXUP_EARLY(0x10cf, 0x11a2, tg3_init_reg_base_addr);
The new tg3 driver leaves REG_BASE_ADDR (PCI config offset 120) uninitialized. From power on reset this register may have garbage in it. The Register Base Address register defines the device local address of a register. The data pointed to by this location is read or written using the Register Data register (PCI config offset 128). When REG_BASE_ADDR has garbage any read or write of Register Data Register (PCI 128) will cause the PCI bus to lock up. The TCO watchdog will fire and bring down the system. Signed-off-by: <natg@google.com> --- drivers/pci/quirks.c | 138 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 138 insertions(+)