From: Javen Xu This patch will enable RTL8168FP/RTL8168EP/RTL8168H/RTL8125/RTL8126/RTL8127 LTR support. Signed-off-by: Javen Xu --- drivers/net/ethernet/realtek/r8169_main.c | 98 +++++++++++++++++++++++ 1 file changed, 98 insertions(+) diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index f9df6aadacce..97abf95502dc 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -2919,6 +2919,101 @@ static void rtl_disable_exit_l1(struct rtl8169_private *tp) } } +static void rtl_enable_ltr(struct rtl8169_private *tp) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_80: + r8168_mac_ocp_write(tp, 0xcdd0, 0x9003); + r8168_mac_ocp_modify(tp, 0xe034, 0x0000, 0xc000); + r8168_mac_ocp_modify(tp, 0xe0a2, 0x0000, BIT(0)); + r8168_mac_ocp_write(tp, 0xcdd2, 0x8c09); + r8168_mac_ocp_write(tp, 0xcdd8, 0x9003); + r8168_mac_ocp_write(tp, 0xcdd4, 0x9003); + r8168_mac_ocp_write(tp, 0xcdda, 0x9003); + r8168_mac_ocp_write(tp, 0xcdd6, 0x9003); + r8168_mac_ocp_write(tp, 0xcddc, 0x9003); + r8168_mac_ocp_write(tp, 0xcde8, 0x887a); + r8168_mac_ocp_write(tp, 0xcdea, 0x9003); + r8168_mac_ocp_write(tp, 0xcdec, 0x8c09); + r8168_mac_ocp_write(tp, 0xcdee, 0x9003); + r8168_mac_ocp_write(tp, 0xcdf0, 0x8a62); + r8168_mac_ocp_write(tp, 0xcdf2, 0x9003); + r8168_mac_ocp_write(tp, 0xcdf4, 0x883e); + r8168_mac_ocp_write(tp, 0xcdf6, 0x9003); + r8168_mac_ocp_write(tp, 0xcdf8, 0x8849); + r8168_mac_ocp_write(tp, 0xcdfa, 0x9003); + r8168_mac_ocp_modify(tp, 0xe032, 0x0000, BIT(14)); + break; + case RTL_GIGA_MAC_VER_70: + r8168_mac_ocp_write(tp, 0xcdd0, 0x9003); + r8168_mac_ocp_modify(tp, 0xe034, 0x0000, 0xc000); + r8168_mac_ocp_modify(tp, 0xe0a2, 0x0000, BIT(0)); + r8168_mac_ocp_write(tp, 0xcdd2, 0x8c09); + r8168_mac_ocp_write(tp, 0xcdd8, 0x9003); + r8168_mac_ocp_write(tp, 0xcdd4, 0x9003); + r8168_mac_ocp_write(tp, 0xcdda, 0x9003); + r8168_mac_ocp_write(tp, 0xcdd6, 0x9003); + r8168_mac_ocp_write(tp, 0xcddc, 0x9003); + r8168_mac_ocp_write(tp, 0xcde8, 0x887a); + r8168_mac_ocp_write(tp, 0xcdea, 0x9003); + r8168_mac_ocp_write(tp, 0xcdec, 0x8c09); + r8168_mac_ocp_write(tp, 0xcdee, 0x9003); + r8168_mac_ocp_write(tp, 0xcdf0, 0x8a62); + r8168_mac_ocp_write(tp, 0xcdf2, 0x9003); + r8168_mac_ocp_write(tp, 0xcdf4, 0x883e); + r8168_mac_ocp_write(tp, 0xcdf6, 0x9003); + r8168_mac_ocp_modify(tp, 0xe032, 0x0000, BIT(14)); + break; + case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_66: + r8168_mac_ocp_write(tp, 0xcdd0, 0x9003); + r8168_mac_ocp_modify(tp, 0xe034, 0x0000, 0xc000); + r8168_mac_ocp_modify(tp, 0xe0a2, 0x0000, BIT(0)); + r8168_mac_ocp_write(tp, 0xcdd2, 0x889c); + r8168_mac_ocp_write(tp, 0xcdd8, 0x9003); + r8168_mac_ocp_write(tp, 0xcdd4, 0x8c30); + r8168_mac_ocp_write(tp, 0xcdda, 0x9003); + r8168_mac_ocp_write(tp, 0xcdd6, 0x9003); + r8168_mac_ocp_write(tp, 0xcddc, 0x9003); + r8168_mac_ocp_write(tp, 0xcde8, 0x883e); + r8168_mac_ocp_write(tp, 0xcdea, 0x9003); + r8168_mac_ocp_write(tp, 0xcdec, 0x889c); + r8168_mac_ocp_write(tp, 0xcdee, 0x9003); + r8168_mac_ocp_write(tp, 0xcdf0, 0x8C09); + r8168_mac_ocp_write(tp, 0xcdf2, 0x9003); + r8168_mac_ocp_modify(tp, 0xe032, 0x0000, BIT(14)); + break; + case RTL_GIGA_MAC_VER_46 ... RTL_GIGA_MAC_VER_52: + r8168_mac_ocp_modify(tp, 0xe034, 0x0000, 0xc000); + r8168_mac_ocp_modify(tp, 0xe0a2, 0x0000, BIT(0)); + r8168_mac_ocp_write(tp, 0xe02c, 0x1880); + r8168_mac_ocp_write(tp, 0xe02e, 0x4880); + r8168_mac_ocp_write(tp, 0xcdd8, 0x9003); + r8168_mac_ocp_write(tp, 0xcdda, 0x9003); + r8168_mac_ocp_write(tp, 0xcddc, 0x9003); + r8168_mac_ocp_write(tp, 0xcdd2, 0x883c); + r8168_mac_ocp_write(tp, 0xcdd4, 0x8c12); + r8168_mac_ocp_write(tp, 0xcdd6, 0x9003); + RTL_W8(tp, 0xb6, RTL_R8(tp, 0xb6) | BIT(0)); + break; + default: + return; + } + /* chip can trigger LTR */ + r8168_mac_ocp_modify(tp, 0xe032, 0x0003, BIT(0)); +} + +static void rtl_disable_ltr(struct rtl8169_private *tp) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_46 ... RTL_GIGA_MAC_VER_80: + r8168_mac_ocp_modify(tp, 0xe032, 0x0003, 0); + break; + default: + break; + } +} + static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable) { u8 val8; @@ -2947,6 +3042,7 @@ static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable) break; } + rtl_enable_ltr(tp); switch (tp->mac_version) { case RTL_GIGA_MAC_VER_46 ... RTL_GIGA_MAC_VER_48: case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_LAST: @@ -2968,6 +3064,7 @@ static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable) break; } + rtl_disable_ltr(tp); switch (tp->mac_version) { case RTL_GIGA_MAC_VER_70: case RTL_GIGA_MAC_VER_80: @@ -4811,6 +4908,7 @@ static void rtl8169_down(struct rtl8169_private *tp) rtl8169_cleanup(tp); rtl_disable_exit_l1(tp); + rtl_disable_ltr(tp); rtl_prepare_power_down(tp); if (tp->dash_type != RTL_DASH_NONE && !tp->saved_wolopts) -- 2.43.0