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tg3: Add higher cpu clock for 5762.

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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>
This commit is contained in:
Sanjeev Bansal 2018-07-16 11:13:32 +05:30 committed by David S. Miller
parent 0f2605fbaf
commit 3a498606bb
1 changed files with 9 additions and 0 deletions
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9
drivers/net/ethernet/broadcom/tg3.c
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@ -9294,6 +9294,15 @@ 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 |