diff options
| author | Sanjeev Bansal <sanjeevb.bansal@broadcom.com> | 2018-07-16 11:13:32 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-25 11:24:01 +0200 |
| commit | dd08f4e69154625200efa7a239ba1147b2d04db9 (patch) | |
| tree | aabbcce23c5b3266a1af16b22f0c0d279ade74a7 | |
| parent | 323bbb17d4905992c14e5512e2e8b93d29f060cc (diff) | |
tg3: Add higher cpu clock for 5762.
[ Upstream commit 3a498606bb04af603a46ebde8296040b2de350d1 ]
This patch has fix for TX timeout while running bi-directional
traffic with 100 Mbps using 5762.
Signed-off-by: Sanjeev Bansal <sanjeevb.bansal@broadcom.com>
Signed-off-by: Siva Reddy Kallam <siva.kallam@broadcom.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/ethernet/broadcom/tg3.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 4ffbe850d746..6250989c83d8 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -9276,6 +9276,15 @@ static int tg3_chip_reset(struct tg3 *tp) tg3_restore_clk(tp); + /* Increase the core clock speed to fix tx timeout issue for 5762 + * with 100Mbps link speed. + */ + if (tg3_asic_rev(tp) == ASIC_REV_5762) { + val = tr32(TG3_CPMU_CLCK_ORIDE_ENABLE); + tw32(TG3_CPMU_CLCK_ORIDE_ENABLE, val | + TG3_CPMU_MAC_ORIDE_ENABLE); + } + /* Reprobe ASF enable state. */ tg3_flag_clear(tp, ENABLE_ASF); tp->phy_flags &= ~(TG3_PHYFLG_1G_ON_VAUX_OK | |