From ef712ede3541dd364131d2fe29603cb362bd5aaa Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Sun, 4 Aug 2019 09:47:51 +0200 Subject: [PATCH] r8169: add helper r8168_mac_ocp_modify Add a helper for MAC OCP read-modify-write operations. Signed-off-by: Heiner Kallweit Signed-off-by: David S. Miller --- drivers/net/ethernet/realtek/r8169_main.c | 65 +++++++---------------- 1 file changed, 19 insertions(+), 46 deletions(-) diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 1817d0ab8df6..4d02095e3ca3 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -850,6 +850,14 @@ static u16 r8168_mac_ocp_read(struct rtl8169_private *tp, u32 reg) return RTL_R32(tp, OCPDR); } +static void r8168_mac_ocp_modify(struct rtl8169_private *tp, u32 reg, u16 mask, + u16 set) +{ + u16 data = r8168_mac_ocp_read(tp, reg); + + r8168_mac_ocp_write(tp, reg, (data & ~mask) | set); +} + #define OCP_STD_PHY_BASE 0xa400 static void r8168g_mdio_write(struct rtl8169_private *tp, int reg, int value) @@ -4809,8 +4817,6 @@ static void rtl_hw_start_8411_2(struct rtl8169_private *tp) static void rtl_hw_start_8168h_1(struct rtl8169_private *tp) { - int rg_saw_cnt; - u32 data; static const struct ephy_info e_info_8168h_1[] = { { 0x1e, 0x0800, 0x0001 }, { 0x1d, 0x0000, 0x0800 }, @@ -4819,6 +4825,7 @@ static void rtl_hw_start_8168h_1(struct rtl8169_private *tp) { 0x04, 0xffff, 0x154a }, { 0x01, 0xffff, 0x068b } }; + int rg_saw_cnt; /* disable aspm and clock request before access ephy */ rtl_hw_aspm_clkreq_enable(tp, false); @@ -4863,31 +4870,13 @@ static void rtl_hw_start_8168h_1(struct rtl8169_private *tp) sw_cnt_1ms_ini = 16000000/rg_saw_cnt; sw_cnt_1ms_ini &= 0x0fff; - data = r8168_mac_ocp_read(tp, 0xd412); - data &= ~0x0fff; - data |= sw_cnt_1ms_ini; - r8168_mac_ocp_write(tp, 0xd412, data); + r8168_mac_ocp_modify(tp, 0xd412, 0x0fff, sw_cnt_1ms_ini); } - data = r8168_mac_ocp_read(tp, 0xe056); - data &= ~0xf0; - data |= 0x70; - r8168_mac_ocp_write(tp, 0xe056, data); - - data = r8168_mac_ocp_read(tp, 0xe052); - data &= ~0x6000; - data |= 0x8008; - r8168_mac_ocp_write(tp, 0xe052, data); - - data = r8168_mac_ocp_read(tp, 0xe0d6); - data &= ~0x01ff; - data |= 0x017f; - r8168_mac_ocp_write(tp, 0xe0d6, data); - - data = r8168_mac_ocp_read(tp, 0xd420); - data &= ~0x0fff; - data |= 0x047f; - r8168_mac_ocp_write(tp, 0xd420, data); + r8168_mac_ocp_modify(tp, 0xe056, 0x00f0, 0x0070); + r8168_mac_ocp_modify(tp, 0xe052, 0x6000, 0x8008); + r8168_mac_ocp_modify(tp, 0xe0d6, 0x01ff, 0x017f); + r8168_mac_ocp_modify(tp, 0xd420, 0x0fff, 0x047f); r8168_mac_ocp_write(tp, 0xe63e, 0x0001); r8168_mac_ocp_write(tp, 0xe63e, 0x0000); @@ -4969,7 +4958,6 @@ static void rtl_hw_start_8168ep_2(struct rtl8169_private *tp) static void rtl_hw_start_8168ep_3(struct rtl8169_private *tp) { - u32 data; static const struct ephy_info e_info_8168ep_3[] = { { 0x00, 0xffff, 0x10a3 }, { 0x19, 0xffff, 0x7c00 }, @@ -4986,18 +4974,9 @@ static void rtl_hw_start_8168ep_3(struct rtl8169_private *tp) RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN); - data = r8168_mac_ocp_read(tp, 0xd3e2); - data &= 0xf000; - data |= 0x0271; - r8168_mac_ocp_write(tp, 0xd3e2, data); - - data = r8168_mac_ocp_read(tp, 0xd3e4); - data &= 0xff00; - r8168_mac_ocp_write(tp, 0xd3e4, data); - - data = r8168_mac_ocp_read(tp, 0xe860); - data |= 0x0080; - r8168_mac_ocp_write(tp, 0xe860, data); + r8168_mac_ocp_modify(tp, 0xd3e2, 0x0fff, 0x0271); + r8168_mac_ocp_modify(tp, 0xd3e4, 0x00ff, 0x0000); + r8168_mac_ocp_modify(tp, 0xe860, 0x0000, 0x0080); rtl_hw_aspm_clkreq_enable(tp, true); } @@ -6657,8 +6636,6 @@ static int r8169_mdio_register(struct rtl8169_private *tp) static void rtl_hw_init_8168g(struct rtl8169_private *tp) { - u32 data; - tp->ocp_base = OCP_STD_PHY_BASE; RTL_W32(tp, MISC, RTL_R32(tp, MISC) | RXDV_GATED_EN); @@ -6673,16 +6650,12 @@ static void rtl_hw_init_8168g(struct rtl8169_private *tp) msleep(1); RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); - data = r8168_mac_ocp_read(tp, 0xe8de); - data &= ~(1 << 14); - r8168_mac_ocp_write(tp, 0xe8de, data); + r8168_mac_ocp_modify(tp, 0xe8de, BIT(14), 0); if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42)) return; - data = r8168_mac_ocp_read(tp, 0xe8de); - data |= (1 << 15); - r8168_mac_ocp_write(tp, 0xe8de, data); + r8168_mac_ocp_modify(tp, 0xe8de, 0, BIT(15)); rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42); }