diff options
| author | Alexander Duyck <alexander.h.duyck@intel.com> | 2008-11-14 07:54:36 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-17 04:09:43 +0100 |
| commit | 6ea7ae1d0fc02a6c4ccd27e43346f67c44226e7a (patch) | |
| tree | cb07bd55c0d908cae9e3539dda6fa1c5bf6512f4 /drivers/net | |
| parent | phylib: make mdio-gpio work without OF (v4) (diff) | |
| download | linux-6ea7ae1d0fc02a6c4ccd27e43346f67c44226e7a.tar.xz linux-6ea7ae1d0fc02a6c4ccd27e43346f67c44226e7a.zip | |
e1000e: enable ECC correction on 82571 silicon
This change enables ECC correction for the packet buffer on all 82571
silicon.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/e1000e/82571.c | 6 | ||||
| -rw-r--r-- | drivers/net/e1000e/defines.h | 7 | ||||
| -rw-r--r-- | drivers/net/e1000e/hw.h | 1 |
3 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c index b2c910c52df9..3027ad53fa65 100644 --- a/drivers/net/e1000e/82571.c +++ b/drivers/net/e1000e/82571.c @@ -973,6 +973,12 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw) ew32(CTRL_EXT, reg); } + if (hw->mac.type == e1000_82571) { + reg = er32(PBA_ECC); + reg |= E1000_PBA_ECC_CORR_EN; + ew32(PBA_ECC, reg); + } + /* PCI-Ex Control Register */ if (hw->mac.type == e1000_82574) { reg = er32(GCR); diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h index 48f79ecb82a0..34a68fcab5a9 100644 --- a/drivers/net/e1000e/defines.h +++ b/drivers/net/e1000e/defines.h @@ -372,6 +372,13 @@ #define E1000_ICR_TXQ1 0x00800000 /* Tx Queue 1 Interrupt */ #define E1000_ICR_OTHER 0x01000000 /* Other Interrupts */ +/* PBA ECC Register */ +#define E1000_PBA_ECC_COUNTER_MASK 0xFFF00000 /* ECC counter mask */ +#define E1000_PBA_ECC_COUNTER_SHIFT 20 /* ECC counter shift value */ +#define E1000_PBA_ECC_CORR_EN 0x00000001 /* ECC correction enable */ +#define E1000_PBA_ECC_STAT_CLR 0x00000002 /* Clear ECC error counter */ +#define E1000_PBA_ECC_INT_EN 0x00000004 /* Enable ICR bit 5 for ECC */ + /* * This defines the bits that are set in the Interrupt Mask * Set/Read Register. Each bit is documented below: diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h index f66ed37a7f76..c4ffd4b70517 100644 --- a/drivers/net/e1000e/hw.h +++ b/drivers/net/e1000e/hw.h @@ -87,6 +87,7 @@ enum e1e_registers { E1000_EEMNGCTL = 0x01010, /* MNG EEprom Control */ E1000_EEWR = 0x0102C, /* EEPROM Write Register - RW */ E1000_FLOP = 0x0103C, /* FLASH Opcode Register */ + E1000_PBA_ECC = 0x01100, /* PBA ECC Register */ E1000_ERT = 0x02008, /* Early Rx Threshold - RW */ E1000_FCRTL = 0x02160, /* Flow Control Receive Threshold Low - RW */ E1000_FCRTH = 0x02168, /* Flow Control Receive Threshold High - RW */ |