diff options
| author | Matt Carlson <mcarlson@broadcom.com> | 2010-12-06 08:28:51 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-12-06 11:03:47 -0800 |
| commit | 699c019385fcb13498a5a3a8bd368f04f1d4a223 (patch) | |
| tree | 341a42d2fa4d0a2581b77ba9e855044bc44450c9 /drivers/net/tg3.c | |
| parent | 3110f5f5545a645c50ef66b1f705d08dfd1df404 (diff) | |
| download | linux-699c019385fcb13498a5a3a8bd368f04f1d4a223.tar.gz | |
tg3: Fix 57765 EEE support
EEE support in the 57765 internal phy will not enable after a phy reset
unless it sees that EEE is supported in the MAC. This patch moves the
code that programs the CPMU EEE registers to a place before the phy
reset.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/tg3.c')
| -rw-r--r-- | drivers/net/tg3.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 1e7a135de7b3d..e4efb5203e221 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -7809,6 +7809,22 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) tg3_abort_hw(tp, 1); + /* Enable MAC control of LPI */ + if (tp->phy_flags & TG3_PHYFLG_EEE_CAP) { + tw32_f(TG3_CPMU_EEE_LNKIDL_CTRL, + TG3_CPMU_EEE_LNKIDL_PCIE_NL0 | + TG3_CPMU_EEE_LNKIDL_UART_IDL); + + tw32_f(TG3_CPMU_EEE_CTRL, + TG3_CPMU_EEE_CTRL_EXIT_20_1_US); + + tw32_f(TG3_CPMU_EEE_MODE, + TG3_CPMU_EEEMD_ERLY_L1_XIT_DET | + TG3_CPMU_EEEMD_LPI_IN_TX | + TG3_CPMU_EEEMD_LPI_IN_RX | + TG3_CPMU_EEEMD_EEE_ENABLE); + } + if (reset_phy) tg3_phy_reset(tp); @@ -7890,22 +7906,6 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) tw32(TG3_CPMU_LSPD_10MB_CLK, val); } - /* Enable MAC control of LPI */ - if (tp->phy_flags & TG3_PHYFLG_EEE_CAP) { - tw32_f(TG3_CPMU_EEE_LNKIDL_CTRL, - TG3_CPMU_EEE_LNKIDL_PCIE_NL0 | - TG3_CPMU_EEE_LNKIDL_UART_IDL); - - tw32_f(TG3_CPMU_EEE_CTRL, - TG3_CPMU_EEE_CTRL_EXIT_20_1_US); - - tw32_f(TG3_CPMU_EEE_MODE, - TG3_CPMU_EEEMD_ERLY_L1_XIT_DET | - TG3_CPMU_EEEMD_LPI_IN_TX | - TG3_CPMU_EEEMD_LPI_IN_RX | - TG3_CPMU_EEEMD_EEE_ENABLE); - } - /* This works around an issue with Athlon chipsets on * B3 tigon3 silicon. This bit has no effect on any * other revision. But do not set this on PCI Express |