From 8a82aee2d2f349afbfaee3754af7cf40c16c16a8 Mon Sep 17 00:00:00 2001 From: Sanjeev Bansal Date: Mon, 16 Jul 2018 11:13:32 +0530 Subject: 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 Signed-off-by: Siva Reddy Kallam Reviewed-by: Michael Chan Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/broadcom/tg3.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 1325825d5225..ce3a56bea6e6 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -9278,6 +9278,15 @@ 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 | -- cgit v1.2.3