diff options
| author |   Todd Fujinaka <todd.fujinaka@intel.com> | 2014-05-29 05:47:26 +0000 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2014-06-03 23:57:53 -0700 |
| commit | 27dff8b2f680ce966b5d959be9d69dd0edd92e3b (patch) | |
| tree | c34e475efaba328c6a371bd04ed65109640ae56f /drivers | |
| parent | igb: use mac loopback for i354 backplane (diff) | |
| download | linux-dev-27dff8b2f680ce966b5d959be9d69dd0edd92e3b.tar.xz linux-dev-27dff8b2f680ce966b5d959be9d69dd0edd92e3b.zip | |
igb: add defaults for i210 TX/RX PBSIZE
Set the defaults on probe for the packet buffer size registers for the
i210.
Signed-off-by: Todd Fujinaka <todd.fujinaka@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_defines.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_regs.h | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 6 |
3 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igb/e1000_defines.h b/drivers/net/ethernet/intel/igb/e1000_defines.h index f85be6695e44..11ffdbae9f92 100644 --- a/drivers/net/ethernet/intel/igb/e1000_defines.h +++ b/drivers/net/ethernet/intel/igb/e1000_defines.h @@ -329,6 +329,9 @@ /* Timestamp in Rx buffer */ #define E1000_RXPBS_CFG_TS_EN 0x80000000 +#define I210_RXPBSIZE_DEFAULT 0x000000A2 /* RXPBSIZE default */ +#define I210_TXPBSIZE_DEFAULT 0x04000014 /* TXPBSIZE default */ + /* SerDes Control */ #define E1000_SCTL_DISABLE_SERDES_LOOPBACK 0x0400 diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h index 833bbb948d97..1cc4b1a7e597 100644 --- a/drivers/net/ethernet/intel/igb/e1000_regs.h +++ b/drivers/net/ethernet/intel/igb/e1000_regs.h @@ -192,6 +192,10 @@ : (0x0E038 + ((_n) * 0x40))) #define E1000_TDWBAH(_n) ((_n) < 4 ? (0x0383C + ((_n) * 0x100)) \ : (0x0E03C + ((_n) * 0x40))) + +#define E1000_RXPBS 0x02404 /* Rx Packet Buffer Size - RW */ +#define E1000_TXPBS 0x03404 /* Tx Packet Buffer Size - RW */ + #define E1000_TDFH 0x03410 /* TX Data FIFO Head - RW */ #define E1000_TDFT 0x03418 /* TX Data FIFO Tail - RW */ #define E1000_TDFHS 0x03420 /* TX Data FIFO Head Saved - RW */ diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index ea2868b22c2d..33b3a16dabe1 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -2433,6 +2433,12 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* get firmware version for ethtool -i */ igb_set_fw_version(adapter); + /* configure RXPBSIZE and TXPBSIZE */ + if (hw->mac.type == e1000_i210) { + wr32(E1000_RXPBS, I210_RXPBSIZE_DEFAULT); + wr32(E1000_TXPBS, I210_TXPBSIZE_DEFAULT); + } + setup_timer(&adapter->watchdog_timer, igb_watchdog, (unsigned long) adapter); setup_timer(&adapter->phy_info_timer, igb_update_phy_info, |