Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 2 | /* |
| 3 | * (C) Copyright 2015 Sjoerd Simons <sjoerd.simons@collabora.co.uk> |
| 4 | * |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 5 | * Rockchip GMAC ethernet IP driver for U-Boot |
| 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <dm.h> |
| 10 | #include <clk.h> |
| 11 | #include <phy.h> |
| 12 | #include <syscon.h> |
| 13 | #include <asm/io.h> |
Kever Yang | 9fbe17c | 2019-03-28 11:01:23 +0800 | [diff] [blame^] | 14 | #include <asm/arch-rockchip/periph.h> |
| 15 | #include <asm/arch-rockchip/clock.h> |
| 16 | #include <asm/arch-rockchip/hardware.h> |
| 17 | #include <asm/arch-rockchip/grf_rk322x.h> |
| 18 | #include <asm/arch-rockchip/grf_rk3288.h> |
| 19 | #include <asm/arch-rockchip/grf_rk3328.h> |
| 20 | #include <asm/arch-rockchip/grf_rk3368.h> |
| 21 | #include <asm/arch-rockchip/grf_rk3399.h> |
| 22 | #include <asm/arch-rockchip/grf_rv1108.h> |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 23 | #include <dm/pinctrl.h> |
| 24 | #include <dt-bindings/clock/rk3288-cru.h> |
| 25 | #include "designware.h" |
| 26 | |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 27 | DECLARE_GLOBAL_DATA_PTR; |
| 28 | #define DELAY_ENABLE(soc, tx, rx) \ |
| 29 | (((tx) ? soc##_TXCLK_DLY_ENA_GMAC_ENABLE : soc##_TXCLK_DLY_ENA_GMAC_DISABLE) | \ |
| 30 | ((rx) ? soc##_RXCLK_DLY_ENA_GMAC_ENABLE : soc##_RXCLK_DLY_ENA_GMAC_DISABLE)) |
| 31 | |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 32 | /* |
| 33 | * Platform data for the gmac |
| 34 | * |
| 35 | * dw_eth_pdata: Required platform data for designware driver (must be first) |
| 36 | */ |
| 37 | struct gmac_rockchip_platdata { |
| 38 | struct dw_eth_pdata dw_eth_pdata; |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 39 | bool clock_input; |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 40 | int tx_delay; |
| 41 | int rx_delay; |
| 42 | }; |
| 43 | |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 44 | struct rk_gmac_ops { |
| 45 | int (*fix_mac_speed)(struct dw_eth_dev *priv); |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 46 | void (*set_to_rmii)(struct gmac_rockchip_platdata *pdata); |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 47 | void (*set_to_rgmii)(struct gmac_rockchip_platdata *pdata); |
| 48 | }; |
| 49 | |
| 50 | |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 51 | static int gmac_rockchip_ofdata_to_platdata(struct udevice *dev) |
| 52 | { |
| 53 | struct gmac_rockchip_platdata *pdata = dev_get_platdata(dev); |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 54 | const char *string; |
| 55 | |
| 56 | string = dev_read_string(dev, "clock_in_out"); |
| 57 | if (!strcmp(string, "input")) |
| 58 | pdata->clock_input = true; |
| 59 | else |
| 60 | pdata->clock_input = false; |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 61 | |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 62 | /* Check the new naming-style first... */ |
Philipp Tomsich | 150005b | 2017-06-07 18:46:01 +0200 | [diff] [blame] | 63 | pdata->tx_delay = dev_read_u32_default(dev, "tx_delay", -ENOENT); |
| 64 | pdata->rx_delay = dev_read_u32_default(dev, "rx_delay", -ENOENT); |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 65 | |
| 66 | /* ... and fall back to the old naming style or default, if necessary */ |
| 67 | if (pdata->tx_delay == -ENOENT) |
Philipp Tomsich | 150005b | 2017-06-07 18:46:01 +0200 | [diff] [blame] | 68 | pdata->tx_delay = dev_read_u32_default(dev, "tx-delay", 0x30); |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 69 | if (pdata->rx_delay == -ENOENT) |
Philipp Tomsich | 150005b | 2017-06-07 18:46:01 +0200 | [diff] [blame] | 70 | pdata->rx_delay = dev_read_u32_default(dev, "rx-delay", 0x10); |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 71 | |
| 72 | return designware_eth_ofdata_to_platdata(dev); |
| 73 | } |
| 74 | |
David Wu | adcde49 | 2018-01-13 14:05:30 +0800 | [diff] [blame] | 75 | static int rk3228_gmac_fix_mac_speed(struct dw_eth_dev *priv) |
| 76 | { |
| 77 | struct rk322x_grf *grf; |
| 78 | int clk; |
| 79 | enum { |
| 80 | RK3228_GMAC_CLK_SEL_SHIFT = 8, |
| 81 | RK3228_GMAC_CLK_SEL_MASK = GENMASK(9, 8), |
| 82 | RK3228_GMAC_CLK_SEL_125M = 0 << 8, |
| 83 | RK3228_GMAC_CLK_SEL_25M = 3 << 8, |
| 84 | RK3228_GMAC_CLK_SEL_2_5M = 2 << 8, |
| 85 | }; |
| 86 | |
| 87 | switch (priv->phydev->speed) { |
| 88 | case 10: |
| 89 | clk = RK3228_GMAC_CLK_SEL_2_5M; |
| 90 | break; |
| 91 | case 100: |
| 92 | clk = RK3228_GMAC_CLK_SEL_25M; |
| 93 | break; |
| 94 | case 1000: |
| 95 | clk = RK3228_GMAC_CLK_SEL_125M; |
| 96 | break; |
| 97 | default: |
| 98 | debug("Unknown phy speed: %d\n", priv->phydev->speed); |
| 99 | return -EINVAL; |
| 100 | } |
| 101 | |
| 102 | grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
| 103 | rk_clrsetreg(&grf->mac_con[1], RK3228_GMAC_CLK_SEL_MASK, clk); |
| 104 | |
| 105 | return 0; |
| 106 | } |
| 107 | |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 108 | static int rk3288_gmac_fix_mac_speed(struct dw_eth_dev *priv) |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 109 | { |
| 110 | struct rk3288_grf *grf; |
| 111 | int clk; |
| 112 | |
| 113 | switch (priv->phydev->speed) { |
| 114 | case 10: |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 115 | clk = RK3288_GMAC_CLK_SEL_2_5M; |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 116 | break; |
| 117 | case 100: |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 118 | clk = RK3288_GMAC_CLK_SEL_25M; |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 119 | break; |
| 120 | case 1000: |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 121 | clk = RK3288_GMAC_CLK_SEL_125M; |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 122 | break; |
| 123 | default: |
| 124 | debug("Unknown phy speed: %d\n", priv->phydev->speed); |
| 125 | return -EINVAL; |
| 126 | } |
| 127 | |
| 128 | grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 129 | rk_clrsetreg(&grf->soc_con1, RK3288_GMAC_CLK_SEL_MASK, clk); |
| 130 | |
| 131 | return 0; |
| 132 | } |
| 133 | |
David Wu | bac972b | 2018-01-13 14:03:04 +0800 | [diff] [blame] | 134 | static int rk3328_gmac_fix_mac_speed(struct dw_eth_dev *priv) |
| 135 | { |
| 136 | struct rk3328_grf_regs *grf; |
| 137 | int clk; |
| 138 | enum { |
| 139 | RK3328_GMAC_CLK_SEL_SHIFT = 11, |
| 140 | RK3328_GMAC_CLK_SEL_MASK = GENMASK(12, 11), |
| 141 | RK3328_GMAC_CLK_SEL_125M = 0 << 11, |
| 142 | RK3328_GMAC_CLK_SEL_25M = 3 << 11, |
| 143 | RK3328_GMAC_CLK_SEL_2_5M = 2 << 11, |
| 144 | }; |
| 145 | |
| 146 | switch (priv->phydev->speed) { |
| 147 | case 10: |
| 148 | clk = RK3328_GMAC_CLK_SEL_2_5M; |
| 149 | break; |
| 150 | case 100: |
| 151 | clk = RK3328_GMAC_CLK_SEL_25M; |
| 152 | break; |
| 153 | case 1000: |
| 154 | clk = RK3328_GMAC_CLK_SEL_125M; |
| 155 | break; |
| 156 | default: |
| 157 | debug("Unknown phy speed: %d\n", priv->phydev->speed); |
| 158 | return -EINVAL; |
| 159 | } |
| 160 | |
| 161 | grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
| 162 | rk_clrsetreg(&grf->mac_con[1], RK3328_GMAC_CLK_SEL_MASK, clk); |
| 163 | |
| 164 | return 0; |
| 165 | } |
| 166 | |
Philipp Tomsich | 821c4c4 | 2017-07-25 17:02:51 +0200 | [diff] [blame] | 167 | static int rk3368_gmac_fix_mac_speed(struct dw_eth_dev *priv) |
| 168 | { |
| 169 | struct rk3368_grf *grf; |
| 170 | int clk; |
| 171 | enum { |
| 172 | RK3368_GMAC_CLK_SEL_2_5M = 2 << 4, |
| 173 | RK3368_GMAC_CLK_SEL_25M = 3 << 4, |
| 174 | RK3368_GMAC_CLK_SEL_125M = 0 << 4, |
| 175 | RK3368_GMAC_CLK_SEL_MASK = GENMASK(5, 4), |
| 176 | }; |
| 177 | |
| 178 | switch (priv->phydev->speed) { |
| 179 | case 10: |
| 180 | clk = RK3368_GMAC_CLK_SEL_2_5M; |
| 181 | break; |
| 182 | case 100: |
| 183 | clk = RK3368_GMAC_CLK_SEL_25M; |
| 184 | break; |
| 185 | case 1000: |
| 186 | clk = RK3368_GMAC_CLK_SEL_125M; |
| 187 | break; |
| 188 | default: |
| 189 | debug("Unknown phy speed: %d\n", priv->phydev->speed); |
| 190 | return -EINVAL; |
| 191 | } |
| 192 | |
| 193 | grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
| 194 | rk_clrsetreg(&grf->soc_con15, RK3368_GMAC_CLK_SEL_MASK, clk); |
| 195 | |
| 196 | return 0; |
| 197 | } |
| 198 | |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 199 | static int rk3399_gmac_fix_mac_speed(struct dw_eth_dev *priv) |
| 200 | { |
| 201 | struct rk3399_grf_regs *grf; |
| 202 | int clk; |
| 203 | |
| 204 | switch (priv->phydev->speed) { |
| 205 | case 10: |
| 206 | clk = RK3399_GMAC_CLK_SEL_2_5M; |
| 207 | break; |
| 208 | case 100: |
| 209 | clk = RK3399_GMAC_CLK_SEL_25M; |
| 210 | break; |
| 211 | case 1000: |
| 212 | clk = RK3399_GMAC_CLK_SEL_125M; |
| 213 | break; |
| 214 | default: |
| 215 | debug("Unknown phy speed: %d\n", priv->phydev->speed); |
| 216 | return -EINVAL; |
| 217 | } |
| 218 | |
| 219 | grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
| 220 | rk_clrsetreg(&grf->soc_con5, RK3399_GMAC_CLK_SEL_MASK, clk); |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 221 | |
| 222 | return 0; |
| 223 | } |
| 224 | |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 225 | static int rv1108_set_rmii_speed(struct dw_eth_dev *priv) |
| 226 | { |
| 227 | struct rv1108_grf *grf; |
| 228 | int clk, speed; |
| 229 | enum { |
| 230 | RV1108_GMAC_SPEED_MASK = BIT(2), |
| 231 | RV1108_GMAC_SPEED_10M = 0 << 2, |
| 232 | RV1108_GMAC_SPEED_100M = 1 << 2, |
| 233 | RV1108_GMAC_CLK_SEL_MASK = BIT(7), |
| 234 | RV1108_GMAC_CLK_SEL_2_5M = 0 << 7, |
| 235 | RV1108_GMAC_CLK_SEL_25M = 1 << 7, |
| 236 | }; |
| 237 | |
| 238 | switch (priv->phydev->speed) { |
| 239 | case 10: |
| 240 | clk = RV1108_GMAC_CLK_SEL_2_5M; |
| 241 | speed = RV1108_GMAC_SPEED_10M; |
| 242 | break; |
| 243 | case 100: |
| 244 | clk = RV1108_GMAC_CLK_SEL_25M; |
| 245 | speed = RV1108_GMAC_SPEED_100M; |
| 246 | break; |
| 247 | default: |
| 248 | debug("Unknown phy speed: %d\n", priv->phydev->speed); |
| 249 | return -EINVAL; |
| 250 | } |
| 251 | |
| 252 | grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
| 253 | rk_clrsetreg(&grf->gmac_con0, |
| 254 | RV1108_GMAC_CLK_SEL_MASK | RV1108_GMAC_SPEED_MASK, |
| 255 | clk | speed); |
| 256 | |
| 257 | return 0; |
| 258 | } |
| 259 | |
David Wu | adcde49 | 2018-01-13 14:05:30 +0800 | [diff] [blame] | 260 | static void rk3228_gmac_set_to_rgmii(struct gmac_rockchip_platdata *pdata) |
| 261 | { |
| 262 | struct rk322x_grf *grf; |
| 263 | enum { |
| 264 | RK3228_RMII_MODE_SHIFT = 10, |
| 265 | RK3228_RMII_MODE_MASK = BIT(10), |
| 266 | |
| 267 | RK3228_GMAC_PHY_INTF_SEL_SHIFT = 4, |
| 268 | RK3228_GMAC_PHY_INTF_SEL_MASK = GENMASK(6, 4), |
| 269 | RK3228_GMAC_PHY_INTF_SEL_RGMII = BIT(4), |
| 270 | |
| 271 | RK3228_RXCLK_DLY_ENA_GMAC_MASK = BIT(1), |
| 272 | RK3228_RXCLK_DLY_ENA_GMAC_DISABLE = 0, |
| 273 | RK3228_RXCLK_DLY_ENA_GMAC_ENABLE = BIT(1), |
| 274 | |
| 275 | RK3228_TXCLK_DLY_ENA_GMAC_MASK = BIT(0), |
| 276 | RK3228_TXCLK_DLY_ENA_GMAC_DISABLE = 0, |
| 277 | RK3228_TXCLK_DLY_ENA_GMAC_ENABLE = BIT(0), |
| 278 | }; |
| 279 | enum { |
| 280 | RK3228_CLK_RX_DL_CFG_GMAC_SHIFT = 0x7, |
| 281 | RK3228_CLK_RX_DL_CFG_GMAC_MASK = GENMASK(13, 7), |
| 282 | |
| 283 | RK3228_CLK_TX_DL_CFG_GMAC_SHIFT = 0x0, |
| 284 | RK3228_CLK_TX_DL_CFG_GMAC_MASK = GENMASK(6, 0), |
| 285 | }; |
| 286 | |
| 287 | grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
| 288 | rk_clrsetreg(&grf->mac_con[1], |
| 289 | RK3228_RMII_MODE_MASK | |
| 290 | RK3228_GMAC_PHY_INTF_SEL_MASK | |
| 291 | RK3228_RXCLK_DLY_ENA_GMAC_MASK | |
| 292 | RK3228_TXCLK_DLY_ENA_GMAC_MASK, |
| 293 | RK3228_GMAC_PHY_INTF_SEL_RGMII | |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 294 | DELAY_ENABLE(RK3228, pdata->tx_delay, pdata->rx_delay)); |
David Wu | adcde49 | 2018-01-13 14:05:30 +0800 | [diff] [blame] | 295 | |
| 296 | rk_clrsetreg(&grf->mac_con[0], |
| 297 | RK3228_CLK_RX_DL_CFG_GMAC_MASK | |
| 298 | RK3228_CLK_TX_DL_CFG_GMAC_MASK, |
| 299 | pdata->rx_delay << RK3228_CLK_RX_DL_CFG_GMAC_SHIFT | |
| 300 | pdata->tx_delay << RK3228_CLK_TX_DL_CFG_GMAC_SHIFT); |
| 301 | } |
| 302 | |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 303 | static void rk3288_gmac_set_to_rgmii(struct gmac_rockchip_platdata *pdata) |
| 304 | { |
| 305 | struct rk3288_grf *grf; |
| 306 | |
| 307 | grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
| 308 | rk_clrsetreg(&grf->soc_con1, |
| 309 | RK3288_RMII_MODE_MASK | RK3288_GMAC_PHY_INTF_SEL_MASK, |
| 310 | RK3288_GMAC_PHY_INTF_SEL_RGMII); |
| 311 | |
| 312 | rk_clrsetreg(&grf->soc_con3, |
| 313 | RK3288_RXCLK_DLY_ENA_GMAC_MASK | |
| 314 | RK3288_TXCLK_DLY_ENA_GMAC_MASK | |
| 315 | RK3288_CLK_RX_DL_CFG_GMAC_MASK | |
| 316 | RK3288_CLK_TX_DL_CFG_GMAC_MASK, |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 317 | DELAY_ENABLE(RK3288, pdata->rx_delay, pdata->tx_delay) | |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 318 | pdata->rx_delay << RK3288_CLK_RX_DL_CFG_GMAC_SHIFT | |
| 319 | pdata->tx_delay << RK3288_CLK_TX_DL_CFG_GMAC_SHIFT); |
| 320 | } |
| 321 | |
David Wu | bac972b | 2018-01-13 14:03:04 +0800 | [diff] [blame] | 322 | static void rk3328_gmac_set_to_rgmii(struct gmac_rockchip_platdata *pdata) |
| 323 | { |
| 324 | struct rk3328_grf_regs *grf; |
| 325 | enum { |
| 326 | RK3328_RMII_MODE_SHIFT = 9, |
| 327 | RK3328_RMII_MODE_MASK = BIT(9), |
| 328 | |
| 329 | RK3328_GMAC_PHY_INTF_SEL_SHIFT = 4, |
| 330 | RK3328_GMAC_PHY_INTF_SEL_MASK = GENMASK(6, 4), |
| 331 | RK3328_GMAC_PHY_INTF_SEL_RGMII = BIT(4), |
| 332 | |
| 333 | RK3328_RXCLK_DLY_ENA_GMAC_MASK = BIT(1), |
| 334 | RK3328_RXCLK_DLY_ENA_GMAC_DISABLE = 0, |
| 335 | RK3328_RXCLK_DLY_ENA_GMAC_ENABLE = BIT(1), |
| 336 | |
| 337 | RK3328_TXCLK_DLY_ENA_GMAC_MASK = BIT(0), |
| 338 | RK3328_TXCLK_DLY_ENA_GMAC_DISABLE = 0, |
| 339 | RK3328_TXCLK_DLY_ENA_GMAC_ENABLE = BIT(0), |
| 340 | }; |
| 341 | enum { |
| 342 | RK3328_CLK_RX_DL_CFG_GMAC_SHIFT = 0x7, |
| 343 | RK3328_CLK_RX_DL_CFG_GMAC_MASK = GENMASK(13, 7), |
| 344 | |
| 345 | RK3328_CLK_TX_DL_CFG_GMAC_SHIFT = 0x0, |
| 346 | RK3328_CLK_TX_DL_CFG_GMAC_MASK = GENMASK(6, 0), |
| 347 | }; |
| 348 | |
| 349 | grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
| 350 | rk_clrsetreg(&grf->mac_con[1], |
| 351 | RK3328_RMII_MODE_MASK | |
| 352 | RK3328_GMAC_PHY_INTF_SEL_MASK | |
| 353 | RK3328_RXCLK_DLY_ENA_GMAC_MASK | |
| 354 | RK3328_TXCLK_DLY_ENA_GMAC_MASK, |
| 355 | RK3328_GMAC_PHY_INTF_SEL_RGMII | |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 356 | DELAY_ENABLE(RK3328, pdata->tx_delay, pdata->rx_delay)); |
David Wu | bac972b | 2018-01-13 14:03:04 +0800 | [diff] [blame] | 357 | |
| 358 | rk_clrsetreg(&grf->mac_con[0], |
| 359 | RK3328_CLK_RX_DL_CFG_GMAC_MASK | |
| 360 | RK3328_CLK_TX_DL_CFG_GMAC_MASK, |
| 361 | pdata->rx_delay << RK3328_CLK_RX_DL_CFG_GMAC_SHIFT | |
| 362 | pdata->tx_delay << RK3328_CLK_TX_DL_CFG_GMAC_SHIFT); |
| 363 | } |
| 364 | |
Philipp Tomsich | 821c4c4 | 2017-07-25 17:02:51 +0200 | [diff] [blame] | 365 | static void rk3368_gmac_set_to_rgmii(struct gmac_rockchip_platdata *pdata) |
| 366 | { |
| 367 | struct rk3368_grf *grf; |
| 368 | enum { |
| 369 | RK3368_GMAC_PHY_INTF_SEL_RGMII = 1 << 9, |
| 370 | RK3368_GMAC_PHY_INTF_SEL_MASK = GENMASK(11, 9), |
| 371 | RK3368_RMII_MODE_MASK = BIT(6), |
| 372 | RK3368_RMII_MODE = BIT(6), |
| 373 | }; |
| 374 | enum { |
| 375 | RK3368_RXCLK_DLY_ENA_GMAC_MASK = BIT(15), |
| 376 | RK3368_RXCLK_DLY_ENA_GMAC_DISABLE = 0, |
| 377 | RK3368_RXCLK_DLY_ENA_GMAC_ENABLE = BIT(15), |
| 378 | RK3368_TXCLK_DLY_ENA_GMAC_MASK = BIT(7), |
| 379 | RK3368_TXCLK_DLY_ENA_GMAC_DISABLE = 0, |
| 380 | RK3368_TXCLK_DLY_ENA_GMAC_ENABLE = BIT(7), |
| 381 | RK3368_CLK_RX_DL_CFG_GMAC_SHIFT = 8, |
| 382 | RK3368_CLK_RX_DL_CFG_GMAC_MASK = GENMASK(14, 8), |
| 383 | RK3368_CLK_TX_DL_CFG_GMAC_SHIFT = 0, |
| 384 | RK3368_CLK_TX_DL_CFG_GMAC_MASK = GENMASK(6, 0), |
| 385 | }; |
| 386 | |
| 387 | grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
| 388 | rk_clrsetreg(&grf->soc_con15, |
| 389 | RK3368_RMII_MODE_MASK | RK3368_GMAC_PHY_INTF_SEL_MASK, |
| 390 | RK3368_GMAC_PHY_INTF_SEL_RGMII); |
| 391 | |
| 392 | rk_clrsetreg(&grf->soc_con16, |
| 393 | RK3368_RXCLK_DLY_ENA_GMAC_MASK | |
| 394 | RK3368_TXCLK_DLY_ENA_GMAC_MASK | |
| 395 | RK3368_CLK_RX_DL_CFG_GMAC_MASK | |
| 396 | RK3368_CLK_TX_DL_CFG_GMAC_MASK, |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 397 | DELAY_ENABLE(RK3368, pdata->tx_delay, pdata->rx_delay) | |
Philipp Tomsich | 821c4c4 | 2017-07-25 17:02:51 +0200 | [diff] [blame] | 398 | pdata->rx_delay << RK3368_CLK_RX_DL_CFG_GMAC_SHIFT | |
| 399 | pdata->tx_delay << RK3368_CLK_TX_DL_CFG_GMAC_SHIFT); |
| 400 | } |
| 401 | |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 402 | static void rk3399_gmac_set_to_rgmii(struct gmac_rockchip_platdata *pdata) |
| 403 | { |
| 404 | struct rk3399_grf_regs *grf; |
| 405 | |
| 406 | grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
| 407 | |
| 408 | rk_clrsetreg(&grf->soc_con5, |
| 409 | RK3399_GMAC_PHY_INTF_SEL_MASK, |
| 410 | RK3399_GMAC_PHY_INTF_SEL_RGMII); |
| 411 | |
| 412 | rk_clrsetreg(&grf->soc_con6, |
| 413 | RK3399_RXCLK_DLY_ENA_GMAC_MASK | |
| 414 | RK3399_TXCLK_DLY_ENA_GMAC_MASK | |
| 415 | RK3399_CLK_RX_DL_CFG_GMAC_MASK | |
| 416 | RK3399_CLK_TX_DL_CFG_GMAC_MASK, |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 417 | DELAY_ENABLE(RK3399, pdata->tx_delay, pdata->rx_delay) | |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 418 | pdata->rx_delay << RK3399_CLK_RX_DL_CFG_GMAC_SHIFT | |
| 419 | pdata->tx_delay << RK3399_CLK_TX_DL_CFG_GMAC_SHIFT); |
| 420 | } |
| 421 | |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 422 | static void rv1108_gmac_set_to_rmii(struct gmac_rockchip_platdata *pdata) |
| 423 | { |
| 424 | struct rv1108_grf *grf; |
| 425 | |
| 426 | enum { |
| 427 | RV1108_GMAC_PHY_INTF_SEL_MASK = GENMASK(6, 4), |
| 428 | RV1108_GMAC_PHY_INTF_SEL_RMII = 4 << 4, |
| 429 | }; |
| 430 | |
| 431 | grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
| 432 | rk_clrsetreg(&grf->gmac_con0, |
| 433 | RV1108_GMAC_PHY_INTF_SEL_MASK, |
| 434 | RV1108_GMAC_PHY_INTF_SEL_RMII); |
| 435 | } |
| 436 | |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 437 | static int gmac_rockchip_probe(struct udevice *dev) |
| 438 | { |
| 439 | struct gmac_rockchip_platdata *pdata = dev_get_platdata(dev); |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 440 | struct rk_gmac_ops *ops = |
| 441 | (struct rk_gmac_ops *)dev_get_driver_data(dev); |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 442 | struct dw_eth_pdata *dw_pdata = dev_get_platdata(dev); |
| 443 | struct eth_pdata *eth_pdata = &dw_pdata->eth_pdata; |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 444 | struct clk clk; |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 445 | ulong rate; |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 446 | int ret; |
| 447 | |
| 448 | ret = clk_get_by_index(dev, 0, &clk); |
| 449 | if (ret) |
| 450 | return ret; |
| 451 | |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 452 | switch (eth_pdata->phy_interface) { |
| 453 | case PHY_INTERFACE_MODE_RGMII: |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 454 | /* Set to RGMII mode */ |
| 455 | if (ops->set_to_rgmii) |
| 456 | ops->set_to_rgmii(pdata); |
| 457 | else |
| 458 | return -EPERM; |
| 459 | |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 460 | /* |
| 461 | * If the gmac clock is from internal pll, need to set and |
| 462 | * check the return value for gmac clock at RGMII mode. If |
| 463 | * the gmac clock is from external source, the clock rate |
| 464 | * is not set, because of it is bypassed. |
| 465 | */ |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 466 | |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 467 | if (!pdata->clock_input) { |
| 468 | rate = clk_set_rate(&clk, 125000000); |
| 469 | if (rate != 125000000) |
| 470 | return -EINVAL; |
| 471 | } |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 472 | break; |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 473 | |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 474 | case PHY_INTERFACE_MODE_RGMII_ID: |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 475 | /* Set to RGMII mode */ |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 476 | if (ops->set_to_rgmii) { |
| 477 | pdata->tx_delay = 0; |
| 478 | pdata->rx_delay = 0; |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 479 | ops->set_to_rgmii(pdata); |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 480 | } else |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 481 | return -EPERM; |
| 482 | |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 483 | if (!pdata->clock_input) { |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 484 | rate = clk_set_rate(&clk, 125000000); |
| 485 | if (rate != 125000000) |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 486 | return -EINVAL; |
| 487 | } |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 488 | break; |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 489 | |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 490 | case PHY_INTERFACE_MODE_RMII: |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 491 | /* Set to RMII mode */ |
| 492 | if (ops->set_to_rmii) |
| 493 | ops->set_to_rmii(pdata); |
| 494 | else |
| 495 | return -EPERM; |
| 496 | |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 497 | if (!pdata->clock_input) { |
| 498 | rate = clk_set_rate(&clk, 50000000); |
| 499 | if (rate != 50000000) |
| 500 | return -EINVAL; |
| 501 | } |
| 502 | break; |
| 503 | |
| 504 | case PHY_INTERFACE_MODE_RGMII_RXID: |
| 505 | /* Set to RGMII_RXID mode */ |
| 506 | if (ops->set_to_rgmii) { |
| 507 | pdata->tx_delay = 0; |
| 508 | ops->set_to_rgmii(pdata); |
| 509 | } else |
| 510 | return -EPERM; |
| 511 | |
| 512 | if (!pdata->clock_input) { |
| 513 | rate = clk_set_rate(&clk, 125000000); |
| 514 | if (rate != 125000000) |
| 515 | return -EINVAL; |
| 516 | } |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 517 | break; |
Janine Hagemann | b6a6dc8 | 2018-08-28 08:25:05 +0200 | [diff] [blame] | 518 | |
| 519 | case PHY_INTERFACE_MODE_RGMII_TXID: |
| 520 | /* Set to RGMII_TXID mode */ |
| 521 | if (ops->set_to_rgmii) { |
| 522 | pdata->rx_delay = 0; |
| 523 | ops->set_to_rgmii(pdata); |
| 524 | } else |
| 525 | return -EPERM; |
| 526 | |
| 527 | if (!pdata->clock_input) { |
| 528 | rate = clk_set_rate(&clk, 125000000); |
| 529 | if (rate != 125000000) |
| 530 | return -EINVAL; |
| 531 | } |
| 532 | break; |
| 533 | |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 534 | default: |
| 535 | debug("NO interface defined!\n"); |
| 536 | return -ENXIO; |
| 537 | } |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 538 | |
| 539 | return designware_eth_probe(dev); |
| 540 | } |
| 541 | |
| 542 | static int gmac_rockchip_eth_start(struct udevice *dev) |
| 543 | { |
| 544 | struct eth_pdata *pdata = dev_get_platdata(dev); |
| 545 | struct dw_eth_dev *priv = dev_get_priv(dev); |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 546 | struct rk_gmac_ops *ops = |
| 547 | (struct rk_gmac_ops *)dev_get_driver_data(dev); |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 548 | int ret; |
| 549 | |
| 550 | ret = designware_eth_init(priv, pdata->enetaddr); |
| 551 | if (ret) |
| 552 | return ret; |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 553 | ret = ops->fix_mac_speed(priv); |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 554 | if (ret) |
| 555 | return ret; |
| 556 | ret = designware_eth_enable(priv); |
| 557 | if (ret) |
| 558 | return ret; |
| 559 | |
| 560 | return 0; |
| 561 | } |
| 562 | |
| 563 | const struct eth_ops gmac_rockchip_eth_ops = { |
| 564 | .start = gmac_rockchip_eth_start, |
| 565 | .send = designware_eth_send, |
| 566 | .recv = designware_eth_recv, |
| 567 | .free_pkt = designware_eth_free_pkt, |
| 568 | .stop = designware_eth_stop, |
| 569 | .write_hwaddr = designware_eth_write_hwaddr, |
| 570 | }; |
| 571 | |
David Wu | adcde49 | 2018-01-13 14:05:30 +0800 | [diff] [blame] | 572 | const struct rk_gmac_ops rk3228_gmac_ops = { |
| 573 | .fix_mac_speed = rk3228_gmac_fix_mac_speed, |
| 574 | .set_to_rgmii = rk3228_gmac_set_to_rgmii, |
| 575 | }; |
| 576 | |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 577 | const struct rk_gmac_ops rk3288_gmac_ops = { |
| 578 | .fix_mac_speed = rk3288_gmac_fix_mac_speed, |
| 579 | .set_to_rgmii = rk3288_gmac_set_to_rgmii, |
| 580 | }; |
| 581 | |
David Wu | bac972b | 2018-01-13 14:03:04 +0800 | [diff] [blame] | 582 | const struct rk_gmac_ops rk3328_gmac_ops = { |
| 583 | .fix_mac_speed = rk3328_gmac_fix_mac_speed, |
| 584 | .set_to_rgmii = rk3328_gmac_set_to_rgmii, |
| 585 | }; |
| 586 | |
Philipp Tomsich | 821c4c4 | 2017-07-25 17:02:51 +0200 | [diff] [blame] | 587 | const struct rk_gmac_ops rk3368_gmac_ops = { |
| 588 | .fix_mac_speed = rk3368_gmac_fix_mac_speed, |
| 589 | .set_to_rgmii = rk3368_gmac_set_to_rgmii, |
| 590 | }; |
| 591 | |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 592 | const struct rk_gmac_ops rk3399_gmac_ops = { |
| 593 | .fix_mac_speed = rk3399_gmac_fix_mac_speed, |
| 594 | .set_to_rgmii = rk3399_gmac_set_to_rgmii, |
| 595 | }; |
| 596 | |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 597 | const struct rk_gmac_ops rv1108_gmac_ops = { |
| 598 | .fix_mac_speed = rv1108_set_rmii_speed, |
| 599 | .set_to_rmii = rv1108_gmac_set_to_rmii, |
| 600 | }; |
| 601 | |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 602 | static const struct udevice_id rockchip_gmac_ids[] = { |
David Wu | adcde49 | 2018-01-13 14:05:30 +0800 | [diff] [blame] | 603 | { .compatible = "rockchip,rk3228-gmac", |
| 604 | .data = (ulong)&rk3228_gmac_ops }, |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 605 | { .compatible = "rockchip,rk3288-gmac", |
| 606 | .data = (ulong)&rk3288_gmac_ops }, |
David Wu | bac972b | 2018-01-13 14:03:04 +0800 | [diff] [blame] | 607 | { .compatible = "rockchip,rk3328-gmac", |
| 608 | .data = (ulong)&rk3328_gmac_ops }, |
Philipp Tomsich | 821c4c4 | 2017-07-25 17:02:51 +0200 | [diff] [blame] | 609 | { .compatible = "rockchip,rk3368-gmac", |
| 610 | .data = (ulong)&rk3368_gmac_ops }, |
Philipp Tomsich | 99cac58 | 2017-03-24 19:24:26 +0100 | [diff] [blame] | 611 | { .compatible = "rockchip,rk3399-gmac", |
| 612 | .data = (ulong)&rk3399_gmac_ops }, |
David Wu | 672e4f2 | 2018-01-13 14:01:12 +0800 | [diff] [blame] | 613 | { .compatible = "rockchip,rv1108-gmac", |
| 614 | .data = (ulong)&rv1108_gmac_ops }, |
Sjoerd Simons | 54c46f9 | 2017-01-11 11:46:11 +0100 | [diff] [blame] | 615 | { } |
| 616 | }; |
| 617 | |
| 618 | U_BOOT_DRIVER(eth_gmac_rockchip) = { |
| 619 | .name = "gmac_rockchip", |
| 620 | .id = UCLASS_ETH, |
| 621 | .of_match = rockchip_gmac_ids, |
| 622 | .ofdata_to_platdata = gmac_rockchip_ofdata_to_platdata, |
| 623 | .probe = gmac_rockchip_probe, |
| 624 | .ops = &gmac_rockchip_eth_ops, |
| 625 | .priv_auto_alloc_size = sizeof(struct dw_eth_dev), |
| 626 | .platdata_auto_alloc_size = sizeof(struct gmac_rockchip_platdata), |
| 627 | .flags = DM_FLAG_ALLOC_PRIV_DMA, |
| 628 | }; |