Move the speed/clocking related GRF register offset into the driver private data, convert rk_set_reg_speed() to use it and initialise this member either from the corresponding member in struct rk_gmac_ops, or the SoC specific initialisation function. Signed-off-by: Russell King (Oracle) --- .../net/ethernet/stmicro/stmmac/dwmac-rk.c | 114 +++++++++++++----- 1 file changed, 81 insertions(+), 33 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index 48fc5b58092f..246a7b9205a5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -50,6 +50,8 @@ struct rk_gmac_ops { u16 gmac_phy_intf_sel_mask; u16 gmac_rmii_mode_mask; + u16 clock_grf_reg; + bool php_grf_required; bool regs_valid; u32 regs[]; @@ -99,6 +101,8 @@ struct rk_priv_data { u16 gmac_grf_reg; u16 gmac_phy_intf_sel_mask; u16 gmac_rmii_mode_mask; + + u16 clock_grf_reg; }; #define GMAC_CLK_DIV1_125M 0 @@ -126,10 +130,14 @@ static u32 rk_encode_wm16(u16 val, u16 mask) return reg_val; } +static int rk_write_clock_grf_reg(struct rk_priv_data *bsp_priv, u32 val) +{ + return regmap_write(bsp_priv->grf, bsp_priv->clock_grf_reg, val); +} + static int rk_set_reg_speed(struct rk_priv_data *bsp_priv, const struct rk_reg_speed_data *rsd, - unsigned int reg, phy_interface_t interface, - int speed) + phy_interface_t interface, int speed) { unsigned int val; @@ -165,7 +173,7 @@ static int rk_set_reg_speed(struct rk_priv_data *bsp_priv, return -EINVAL; } - regmap_write(bsp_priv->grf, reg, val); + rk_write_clock_grf_reg(bsp_priv, val); return 0; @@ -360,7 +368,7 @@ static int rk3128_set_speed(struct rk_priv_data *bsp_priv, phy_interface_t interface, int speed) { return rk_set_reg_speed(bsp_priv, &rk3128_reg_speed_data, - RK3128_GRF_MAC_CON1, interface, speed); + interface, speed); } static const struct rk_gmac_ops rk3128_ops = { @@ -371,6 +379,8 @@ static const struct rk_gmac_ops rk3128_ops = { .gmac_grf_reg = RK3128_GRF_MAC_CON1, .gmac_phy_intf_sel_mask = GENMASK_U16(8, 6), .gmac_rmii_mode_mask = BIT_U16(14), + + .clock_grf_reg = RK3128_GRF_MAC_CON1, }; #define RK3228_GRF_MAC_CON0 0x0900 @@ -427,7 +437,7 @@ static int rk3228_set_speed(struct rk_priv_data *bsp_priv, phy_interface_t interface, int speed) { return rk_set_reg_speed(bsp_priv, &rk3228_reg_speed_data, - RK3228_GRF_MAC_CON1, interface, speed); + interface, speed); } static void rk3228_integrated_phy_powerup(struct rk_priv_data *priv) @@ -449,6 +459,7 @@ static const struct rk_gmac_ops rk3228_ops = { .gmac_phy_intf_sel_mask = GENMASK_U16(6, 4), .gmac_rmii_mode_mask = BIT_U16(10), + .clock_grf_reg = RK3228_GRF_MAC_CON1, }; #define RK3288_GRF_SOC_CON1 0x0248 @@ -496,7 +507,7 @@ static int rk3288_set_speed(struct rk_priv_data *bsp_priv, phy_interface_t interface, int speed) { return rk_set_reg_speed(bsp_priv, &rk3288_reg_speed_data, - RK3288_GRF_SOC_CON1, interface, speed); + interface, speed); } static const struct rk_gmac_ops rk3288_ops = { @@ -507,6 +518,8 @@ static const struct rk_gmac_ops rk3288_ops = { .gmac_grf_reg = RK3288_GRF_SOC_CON1, .gmac_phy_intf_sel_mask = GENMASK_U16(8, 6), .gmac_rmii_mode_mask = BIT_U16(14), + + .clock_grf_reg = RK3288_GRF_SOC_CON1, }; #define RK3308_GRF_MAC_CON0 0x04a0 @@ -530,7 +543,7 @@ static int rk3308_set_speed(struct rk_priv_data *bsp_priv, phy_interface_t interface, int speed) { return rk_set_reg_speed(bsp_priv, &rk3308_reg_speed_data, - RK3308_GRF_MAC_CON0, interface, speed); + interface, speed); } static const struct rk_gmac_ops rk3308_ops = { @@ -539,6 +552,8 @@ static const struct rk_gmac_ops rk3308_ops = { .gmac_grf_reg = RK3308_GRF_MAC_CON0, .gmac_phy_intf_sel_mask = GENMASK_U16(4, 2), + + .clock_grf_reg = RK3308_GRF_MAC_CON0, }; #define RK3328_GRF_MAC_CON0 0x0900 @@ -569,10 +584,12 @@ static int rk3328_init(struct rk_priv_data *bsp_priv) switch (bsp_priv->id) { case 0: /* gmac2io */ bsp_priv->gmac_grf_reg = RK3328_GRF_MAC_CON1; + bsp_priv->clock_grf_reg = RK3328_GRF_MAC_CON1; return 0; case 1: /* gmac2phy */ bsp_priv->gmac_grf_reg = RK3328_GRF_MAC_CON2; + bsp_priv->clock_grf_reg = RK3328_GRF_MAC_CON2; return 0; default: @@ -607,11 +624,7 @@ static const struct rk_reg_speed_data rk3328_reg_speed_data = { static int rk3328_set_speed(struct rk_priv_data *bsp_priv, phy_interface_t interface, int speed) { - unsigned int reg; - - reg = bsp_priv->id ? RK3328_GRF_MAC_CON2 : RK3328_GRF_MAC_CON1; - - return rk_set_reg_speed(bsp_priv, &rk3328_reg_speed_data, reg, + return rk_set_reg_speed(bsp_priv, &rk3328_reg_speed_data, interface, speed); } @@ -687,7 +700,7 @@ static int rk3366_set_speed(struct rk_priv_data *bsp_priv, phy_interface_t interface, int speed) { return rk_set_reg_speed(bsp_priv, &rk3366_reg_speed_data, - RK3366_GRF_SOC_CON6, interface, speed); + interface, speed); } static const struct rk_gmac_ops rk3366_ops = { @@ -698,6 +711,8 @@ static const struct rk_gmac_ops rk3366_ops = { .gmac_grf_reg = RK3366_GRF_SOC_CON6, .gmac_phy_intf_sel_mask = GENMASK_U16(11, 9), .gmac_rmii_mode_mask = BIT_U16(6), + + .clock_grf_reg = RK3366_GRF_SOC_CON6, }; #define RK3368_GRF_SOC_CON15 0x043c @@ -745,7 +760,7 @@ static int rk3368_set_speed(struct rk_priv_data *bsp_priv, phy_interface_t interface, int speed) { return rk_set_reg_speed(bsp_priv, &rk3368_reg_speed_data, - RK3368_GRF_SOC_CON15, interface, speed); + interface, speed); } static const struct rk_gmac_ops rk3368_ops = { @@ -756,6 +771,8 @@ static const struct rk_gmac_ops rk3368_ops = { .gmac_grf_reg = RK3368_GRF_SOC_CON15, .gmac_phy_intf_sel_mask = GENMASK_U16(11, 9), .gmac_rmii_mode_mask = BIT_U16(6), + + .clock_grf_reg = RK3368_GRF_SOC_CON15, }; #define RK3399_GRF_SOC_CON5 0xc214 @@ -803,7 +820,7 @@ static int rk3399_set_speed(struct rk_priv_data *bsp_priv, phy_interface_t interface, int speed) { return rk_set_reg_speed(bsp_priv, &rk3399_reg_speed_data, - RK3399_GRF_SOC_CON5, interface, speed); + interface, speed); } static const struct rk_gmac_ops rk3399_ops = { @@ -814,6 +831,8 @@ static const struct rk_gmac_ops rk3399_ops = { .gmac_grf_reg = RK3399_GRF_SOC_CON5, .gmac_phy_intf_sel_mask = GENMASK_U16(11, 9), .gmac_rmii_mode_mask = BIT_U16(6), + + .clock_grf_reg = RK3399_GRF_SOC_CON5, }; #define RK3506_GRF_SOC_CON8 0x0020 @@ -830,6 +849,22 @@ static const struct rk_gmac_ops rk3399_ops = { #define RK3506_GMAC_CLK_RMII_GATE GRF_BIT(2) #define RK3506_GMAC_CLK_RMII_NOGATE GRF_CLR_BIT(2) +static int rk3506_init(struct rk_priv_data *bsp_priv) +{ + switch (bsp_priv->id) { + case 0: + bsp_priv->clock_grf_reg = RK3506_GRF_SOC_CON8; + return 0; + + case 1: + bsp_priv->clock_grf_reg = RK3506_GRF_SOC_CON11; + return 0; + + default: + return -EINVAL; + } +} + static void rk3506_set_to_rmii(struct rk_priv_data *bsp_priv) { unsigned int id = bsp_priv->id, offset; @@ -846,11 +881,8 @@ static const struct rk_reg_speed_data rk3506_reg_speed_data = { static int rk3506_set_speed(struct rk_priv_data *bsp_priv, phy_interface_t interface, int speed) { - unsigned int id = bsp_priv->id, offset; - - offset = (id == 1) ? RK3506_GRF_SOC_CON11 : RK3506_GRF_SOC_CON8; return rk_set_reg_speed(bsp_priv, &rk3506_reg_speed_data, - offset, interface, speed); + interface, speed); } static void rk3506_set_clock_selection(struct rk_priv_data *bsp_priv, @@ -868,6 +900,7 @@ static void rk3506_set_clock_selection(struct rk_priv_data *bsp_priv, } static const struct rk_gmac_ops rk3506_ops = { + .init = rk3506_init, .set_to_rmii = rk3506_set_to_rmii, .set_speed = rk3506_set_speed, .set_clock_selection = rk3506_set_clock_selection, @@ -912,6 +945,22 @@ static const struct rk_gmac_ops rk3506_ops = { #define RK3528_GMAC1_CLK_RMII_GATE GRF_BIT(9) #define RK3528_GMAC1_CLK_RMII_NOGATE GRF_CLR_BIT(9) +static int rk3528_init(struct rk_priv_data *bsp_priv) +{ + switch (bsp_priv->id) { + case 0: + bsp_priv->clock_grf_reg = RK3528_VO_GRF_GMAC_CON; + return 0; + + case 1: + bsp_priv->clock_grf_reg = RK3528_VPU_GRF_GMAC_CON5; + return 0; + + default: + return -EINVAL; + } +} + static void rk3528_set_to_rgmii(struct rk_priv_data *bsp_priv, int tx_delay, int rx_delay) { @@ -954,17 +1003,13 @@ static int rk3528_set_speed(struct rk_priv_data *bsp_priv, phy_interface_t interface, int speed) { const struct rk_reg_speed_data *rsd; - unsigned int reg; - if (bsp_priv->id == 1) { + if (bsp_priv->id == 1) rsd = &rk3528_gmac1_reg_speed_data; - reg = RK3528_VPU_GRF_GMAC_CON5; - } else { + else rsd = &rk3528_gmac0_reg_speed_data; - reg = RK3528_VO_GRF_GMAC_CON; - } - return rk_set_reg_speed(bsp_priv, rsd, reg, interface, speed); + return rk_set_reg_speed(bsp_priv, rsd, interface, speed); } static void rk3528_set_clock_selection(struct rk_priv_data *bsp_priv, @@ -996,6 +1041,7 @@ static void rk3528_integrated_phy_powerdown(struct rk_priv_data *bsp_priv) } static const struct rk_gmac_ops rk3528_ops = { + .init = rk3528_init, .set_to_rgmii = rk3528_set_to_rgmii, .set_to_rmii = rk3528_set_to_rmii, .set_speed = rk3528_set_speed, @@ -1116,10 +1162,12 @@ static int rk3576_init(struct rk_priv_data *bsp_priv) switch (bsp_priv->id) { case 0: bsp_priv->gmac_grf_reg = RK3576_GRF_GMAC_CON0; + bsp_priv->clock_grf_reg = RK3576_GRF_GMAC_CON0; return 0; case 1: bsp_priv->gmac_grf_reg = RK3576_GRF_GMAC_CON1; + bsp_priv->clock_grf_reg = RK3576_GRF_GMAC_CON1; return 0; default: @@ -1165,12 +1213,7 @@ static const struct rk_reg_speed_data rk3578_reg_speed_data = { static int rk3576_set_gmac_speed(struct rk_priv_data *bsp_priv, phy_interface_t interface, int speed) { - unsigned int offset_con; - - offset_con = bsp_priv->id == 1 ? RK3576_GRF_GMAC_CON1 : - RK3576_GRF_GMAC_CON0; - - return rk_set_reg_speed(bsp_priv, &rk3578_reg_speed_data, offset_con, + return rk_set_reg_speed(bsp_priv, &rk3578_reg_speed_data, interface, speed); } @@ -1370,7 +1413,7 @@ static int rv1108_set_speed(struct rk_priv_data *bsp_priv, phy_interface_t interface, int speed) { return rk_set_reg_speed(bsp_priv, &rv1108_reg_speed_data, - RV1108_GRF_GMAC_CON0, interface, speed); + interface, speed); } static const struct rk_gmac_ops rv1108_ops = { @@ -1379,6 +1422,8 @@ static const struct rk_gmac_ops rv1108_ops = { .gmac_grf_reg = RV1108_GRF_GMAC_CON0, .gmac_phy_intf_sel_mask = GENMASK_U16(6, 4), + + .clock_grf_reg = RV1108_GRF_GMAC_CON0, }; #define RV1126_GRF_GMAC_CON0 0X0070 @@ -1661,6 +1706,9 @@ static struct rk_priv_data *rk_gmac_setup(struct platform_device *pdev, bsp_priv->gmac_phy_intf_sel_mask = ops->gmac_phy_intf_sel_mask; bsp_priv->gmac_rmii_mode_mask = ops->gmac_rmii_mode_mask; + /* Set the default clock control register related parameters */ + bsp_priv->clock_grf_reg = ops->clock_grf_reg; + if (ops->init) { ret = ops->init(bsp_priv); if (ret) { -- 2.47.3