diff options
Diffstat (limited to 'src/drivers/net/intel.c')
| -rw-r--r-- | src/drivers/net/intel.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/drivers/net/intel.c b/src/drivers/net/intel.c index df73c4249..46527bdbb 100644 --- a/src/drivers/net/intel.c +++ b/src/drivers/net/intel.c @@ -290,6 +290,18 @@ static int intel_reset ( struct intel_nic *intel ) { pba, readl ( intel->regs + INTEL_PBA ) ); } + /* The Intel I210's packet buffer size registers reset only on + * power up. If an operating system changes these but then + * the computer recieves a reset signal without losing power, + * the registers will stay the same (but be incompatible with + * other register defaults), thus making the device unable to + * pass traffic. + */ + if ( intel->flags & INTEL_PBSIZE_RST ) { + writel ( INTEL_RXPBS_I210, intel->regs + INTEL_RXPBS ); + writel ( INTEL_TXPBS_I210, intel->regs + INTEL_TXPBS ); + } + /* Always reset MAC. Required to reset the TX and RX rings. */ writel ( ( ctrl | INTEL_CTRL_RST ), intel->regs + INTEL_CTRL ); mdelay ( INTEL_RESET_DELAY_MS ); @@ -1139,7 +1151,7 @@ static struct pci_device_id intel_nics[] = { PCI_ROM ( 0x8086, 0x1525, "82567v-4", "82567V-4", 0 ), PCI_ROM ( 0x8086, 0x1526, "82576-5", "82576", 0 ), PCI_ROM ( 0x8086, 0x1527, "82580-f2", "82580 Fiber", 0 ), - PCI_ROM ( 0x8086, 0x1533, "i210", "I210", 0 ), + PCI_ROM ( 0x8086, 0x1533, "i210", "I210", INTEL_PBSIZE_RST ), PCI_ROM ( 0x8086, 0x1539, "i211", "I211", 0 ), PCI_ROM ( 0x8086, 0x153a, "i217lm", "I217-LM", INTEL_NO_PHY_RST ), PCI_ROM ( 0x8086, 0x153b, "i217v", "I217-V", 0 ), @@ -1147,7 +1159,7 @@ static struct pci_device_id intel_nics[] = { PCI_ROM ( 0x8086, 0x155a, "i218lm", "I218-LM", INTEL_NO_PHY_RST ), PCI_ROM ( 0x8086, 0x156f, "i219lm", "I219-LM", INTEL_I219 ), PCI_ROM ( 0x8086, 0x1570, "i219v", "I219-V", INTEL_I219 ), - PCI_ROM ( 0x8086, 0x157b, "i210-2", "I210", 0 ), + PCI_ROM ( 0x8086, 0x157b, "i210-2", "I210", INTEL_PBSIZE_RST ), PCI_ROM ( 0x8086, 0x15a0, "i218lm-2", "I218-LM", INTEL_NO_PHY_RST ), PCI_ROM ( 0x8086, 0x15a1, "i218v-2", "I218-V", 0 ), PCI_ROM ( 0x8086, 0x15a2, "i218lm-3", "I218-LM", INTEL_NO_PHY_RST ), |