Stefan Roese | c0132f6 | 2016-08-30 16:48:20 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2015-2016 Marvell International Ltd. |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0+ |
| 5 | */ |
| 6 | |
| 7 | #include <common.h> |
| 8 | #include <fdtdec.h> |
| 9 | #include <asm/io.h> |
| 10 | #include <asm/arch/cpu.h> |
| 11 | #include <asm/arch/soc.h> |
| 12 | |
| 13 | #include "comphy.h" |
| 14 | #include "comphy_hpipe.h" |
| 15 | #include "sata.h" |
| 16 | #include "utmi_phy.h" |
| 17 | |
| 18 | DECLARE_GLOBAL_DATA_PTR; |
| 19 | |
| 20 | #define SD_ADDR(base, lane) (base + 0x1000 * lane) |
| 21 | #define HPIPE_ADDR(base, lane) (SD_ADDR(base, lane) + 0x800) |
| 22 | #define COMPHY_ADDR(base, lane) (base + 0x28 * lane) |
| 23 | |
| 24 | struct utmi_phy_data { |
| 25 | void __iomem *utmi_base_addr; |
| 26 | void __iomem *usb_cfg_addr; |
| 27 | void __iomem *utmi_cfg_addr; |
| 28 | u32 utmi_phy_port; |
| 29 | }; |
| 30 | |
| 31 | /* |
| 32 | * For CP-110 we have 2 Selector registers "PHY Selectors", |
| 33 | * and "PIPE Selectors". |
| 34 | * PIPE selector include USB and PCIe options. |
| 35 | * PHY selector include the Ethernet and SATA options, every Ethernet |
| 36 | * option has different options, for example: serdes lane2 had option |
| 37 | * Eth_port_0 that include (SGMII0, XAUI0, RXAUI0, KR) |
| 38 | */ |
| 39 | struct comphy_mux_data cp110_comphy_phy_mux_data[] = { |
| 40 | {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 0 */ |
| 41 | {PHY_TYPE_XAUI2, 0x1}, {PHY_TYPE_SATA1, 0x4} } }, |
| 42 | {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII3, 0x1}, /* Lane 1 */ |
| 43 | {PHY_TYPE_XAUI3, 0x1}, {PHY_TYPE_SATA0, 0x4} } }, |
| 44 | {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x1}, /* Lane 2 */ |
| 45 | {PHY_TYPE_XAUI0, 0x1}, {PHY_TYPE_RXAUI0, 0x1}, |
| 46 | {PHY_TYPE_KR, 0x1}, {PHY_TYPE_SATA0, 0x4} } }, |
| 47 | {8, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x1}, /* Lane 3 */ |
| 48 | {PHY_TYPE_XAUI0, 0x1}, {PHY_TYPE_RXAUI0, 0x1}, |
| 49 | {PHY_TYPE_KR, 0x1}, {PHY_TYPE_XAUI1, 0x1}, |
| 50 | {PHY_TYPE_RXAUI1, 0x1}, {PHY_TYPE_SATA1, 0x4} } }, |
| 51 | {7, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x2}, /* Lane 4 */ |
| 52 | {PHY_TYPE_XAUI0, 0x1}, {PHY_TYPE_RXAUI0, 0x1}, {PHY_TYPE_KR, 0x1}, |
| 53 | {PHY_TYPE_SGMII2, 0x1}, {PHY_TYPE_XAUI2, 0x1} } }, |
| 54 | {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_XAUI1, 0x1}, /* Lane 5 */ |
| 55 | {PHY_TYPE_RXAUI1, 0x1}, {PHY_TYPE_SGMII3, 0x1}, |
| 56 | {PHY_TYPE_XAUI3, 0x1}, {PHY_TYPE_SATA1, 0x4} } }, |
| 57 | }; |
| 58 | |
| 59 | struct comphy_mux_data cp110_comphy_pipe_mux_data[] = { |
| 60 | {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX0, 0x4} } }, /* Lane 0 */ |
| 61 | {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 1 */ |
| 62 | {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_USB3_DEVICE, 0x2}, |
| 63 | {PHY_TYPE_PEX0, 0x4} } }, |
| 64 | {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 2 */ |
| 65 | {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_PEX0, 0x4} } }, |
| 66 | {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 3 */ |
| 67 | {PHY_TYPE_USB3_HOST1, 0x1}, {PHY_TYPE_PEX0, 0x4} } }, |
| 68 | {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 4 */ |
| 69 | {PHY_TYPE_USB3_HOST1, 0x1}, |
| 70 | {PHY_TYPE_USB3_DEVICE, 0x2}, {PHY_TYPE_PEX1, 0x4} } }, |
| 71 | {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX2, 0x4} } }, /* Lane 5 */ |
| 72 | }; |
| 73 | |
| 74 | static u32 polling_with_timeout(void __iomem *addr, u32 val, |
| 75 | u32 mask, unsigned long usec_timout) |
| 76 | { |
| 77 | u32 data; |
| 78 | |
| 79 | do { |
| 80 | udelay(1); |
| 81 | data = readl(addr) & mask; |
| 82 | } while (data != val && --usec_timout > 0); |
| 83 | |
| 84 | if (usec_timout == 0) |
| 85 | return data; |
| 86 | |
| 87 | return 0; |
| 88 | } |
| 89 | |
| 90 | static int comphy_pcie_power_up(u32 lane, u32 pcie_width, |
| 91 | bool clk_src, void __iomem *hpipe_base, |
| 92 | void __iomem *comphy_base) |
| 93 | { |
| 94 | u32 mask, data, ret = 1; |
| 95 | void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane); |
| 96 | void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane); |
| 97 | void __iomem *addr; |
| 98 | u32 pcie_clk = 0; /* set input by default */ |
| 99 | |
| 100 | debug_enter(); |
| 101 | |
| 102 | /* |
| 103 | * ToDo: |
| 104 | * Add SAR (Sample-At-Reset) configuration for the PCIe clock |
| 105 | * direction. SAR code is currently not ported from Marvell |
| 106 | * U-Boot to mainline version. |
| 107 | * |
| 108 | * SerDes Lane 4/5 got the PCIe ref-clock #1, |
| 109 | * and SerDes Lane 0 got PCIe ref-clock #0 |
| 110 | */ |
| 111 | debug("PCIe clock = %x\n", pcie_clk); |
| 112 | debug("PCIe width = %d\n", pcie_width); |
| 113 | |
| 114 | /* enable PCIe by4 and by2 */ |
| 115 | if (lane == 0) { |
| 116 | if (pcie_width == 4) { |
| 117 | reg_set(comphy_base + COMMON_PHY_SD_CTRL1, |
| 118 | 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X4_EN_OFFSET, |
| 119 | COMMON_PHY_SD_CTRL1_PCIE_X4_EN_MASK); |
| 120 | } else if (pcie_width == 2) { |
| 121 | reg_set(comphy_base + COMMON_PHY_SD_CTRL1, |
| 122 | 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X2_EN_OFFSET, |
| 123 | COMMON_PHY_SD_CTRL1_PCIE_X2_EN_MASK); |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | /* |
| 128 | * If PCIe clock is output and clock source from SerDes lane 5, |
| 129 | * we need to configure the clock-source MUX. |
| 130 | * By default, the clock source is from lane 4 |
| 131 | */ |
| 132 | if (pcie_clk && clk_src && (lane == 5)) { |
| 133 | reg_set((void __iomem *)DFX_DEV_GEN_CTRL12, |
| 134 | 0x3 << DFX_DEV_GEN_PCIE_CLK_SRC_OFFSET, |
| 135 | DFX_DEV_GEN_PCIE_CLK_SRC_MASK); |
| 136 | } |
| 137 | |
| 138 | debug("stage: RFU configurations - hard reset comphy\n"); |
| 139 | /* RFU configurations - hard reset comphy */ |
| 140 | mask = COMMON_PHY_CFG1_PWR_UP_MASK; |
| 141 | data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; |
| 142 | mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; |
| 143 | data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; |
| 144 | mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK; |
| 145 | data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; |
| 146 | mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; |
| 147 | data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; |
| 148 | mask |= COMMON_PHY_PHY_MODE_MASK; |
| 149 | data |= 0x0 << COMMON_PHY_PHY_MODE_OFFSET; |
| 150 | reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| 151 | |
| 152 | /* release from hard reset */ |
| 153 | mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK; |
| 154 | data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; |
| 155 | mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; |
| 156 | data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; |
| 157 | reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| 158 | |
| 159 | /* Wait 1ms - until band gap and ref clock ready */ |
| 160 | mdelay(1); |
| 161 | /* Start comphy Configuration */ |
| 162 | debug("stage: Comphy configuration\n"); |
| 163 | /* Set PIPE soft reset */ |
| 164 | mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK; |
| 165 | data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET; |
| 166 | /* Set PHY datapath width mode for V0 */ |
| 167 | mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK; |
| 168 | data |= 0x1 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET; |
| 169 | /* Set Data bus width USB mode for V0 */ |
| 170 | mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK; |
| 171 | data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET; |
| 172 | /* Set CORE_CLK output frequency for 250Mhz */ |
| 173 | mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK; |
| 174 | data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET; |
| 175 | reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask); |
| 176 | /* Set PLL ready delay for 0x2 */ |
| 177 | data = 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET; |
| 178 | mask = HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK; |
| 179 | if (pcie_width != 1) { |
| 180 | data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_OFFSET; |
| 181 | mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_MASK; |
| 182 | data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_OFFSET; |
| 183 | mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_MASK; |
| 184 | } |
| 185 | reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG, data, mask); |
| 186 | |
| 187 | /* Set PIPE mode interface to PCIe3 - 0x1 & set lane order */ |
| 188 | data = 0x1 << HPIPE_CLK_SRC_HI_MODE_PIPE_OFFSET; |
| 189 | mask = HPIPE_CLK_SRC_HI_MODE_PIPE_MASK; |
| 190 | if (pcie_width != 1) { |
| 191 | mask |= HPIPE_CLK_SRC_HI_LANE_STRT_MASK; |
| 192 | mask |= HPIPE_CLK_SRC_HI_LANE_MASTER_MASK; |
| 193 | mask |= HPIPE_CLK_SRC_HI_LANE_BREAK_MASK; |
| 194 | if (lane == 0) { |
| 195 | data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_STRT_OFFSET; |
| 196 | data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_MASTER_OFFSET; |
| 197 | } else if (lane == (pcie_width - 1)) { |
| 198 | data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_BREAK_OFFSET; |
| 199 | } |
| 200 | } |
| 201 | reg_set(hpipe_addr + HPIPE_CLK_SRC_HI_REG, data, mask); |
| 202 | /* Config update polarity equalization */ |
| 203 | reg_set(hpipe_addr + HPIPE_LANE_EQ_CFG1_REG, |
| 204 | 0x1 << HPIPE_CFG_UPDATE_POLARITY_OFFSET, |
| 205 | HPIPE_CFG_UPDATE_POLARITY_MASK); |
| 206 | /* Set PIPE version 4 to mode enable */ |
| 207 | reg_set(hpipe_addr + HPIPE_DFE_CTRL_28_REG, |
| 208 | 0x1 << HPIPE_DFE_CTRL_28_PIPE4_OFFSET, |
| 209 | HPIPE_DFE_CTRL_28_PIPE4_MASK); |
| 210 | /* TODO: check if pcie clock is output/input - for bringup use input*/ |
| 211 | /* Enable PIN clock 100M_125M */ |
| 212 | mask = 0; |
| 213 | data = 0; |
| 214 | /* Only if clock is output, configure the clock-source mux */ |
| 215 | if (pcie_clk) { |
| 216 | mask |= HPIPE_MISC_CLK100M_125M_MASK; |
| 217 | data |= 0x1 << HPIPE_MISC_CLK100M_125M_OFFSET; |
| 218 | } |
| 219 | /* |
| 220 | * Set PIN_TXDCLK_2X Clock Frequency Selection for outputs 500MHz |
| 221 | * clock |
| 222 | */ |
| 223 | mask |= HPIPE_MISC_TXDCLK_2X_MASK; |
| 224 | data |= 0x0 << HPIPE_MISC_TXDCLK_2X_OFFSET; |
| 225 | /* Enable 500MHz Clock */ |
| 226 | mask |= HPIPE_MISC_CLK500_EN_MASK; |
| 227 | data |= 0x1 << HPIPE_MISC_CLK500_EN_OFFSET; |
| 228 | if (pcie_clk) { /* output */ |
| 229 | /* Set reference clock comes from group 1 */ |
| 230 | mask |= HPIPE_MISC_REFCLK_SEL_MASK; |
| 231 | data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET; |
| 232 | } else { |
| 233 | /* Set reference clock comes from group 2 */ |
| 234 | mask |= HPIPE_MISC_REFCLK_SEL_MASK; |
| 235 | data |= 0x1 << HPIPE_MISC_REFCLK_SEL_OFFSET; |
| 236 | } |
| 237 | reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask); |
| 238 | if (pcie_clk) { /* output */ |
| 239 | /* Set reference frequcency select - 0x2 for 25MHz*/ |
| 240 | mask = HPIPE_PWR_PLL_REF_FREQ_MASK; |
| 241 | data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; |
| 242 | } else { |
| 243 | /* Set reference frequcency select - 0x0 for 100MHz*/ |
| 244 | mask = HPIPE_PWR_PLL_REF_FREQ_MASK; |
| 245 | data = 0x0 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; |
| 246 | } |
| 247 | /* Set PHY mode to PCIe */ |
| 248 | mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; |
| 249 | data |= 0x3 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; |
| 250 | reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); |
| 251 | |
| 252 | /* ref clock alignment */ |
| 253 | if (pcie_width != 1) { |
| 254 | mask = HPIPE_LANE_ALIGN_OFF_MASK; |
| 255 | data = 0x0 << HPIPE_LANE_ALIGN_OFF_OFFSET; |
| 256 | reg_set(hpipe_addr + HPIPE_LANE_ALIGN_REG, data, mask); |
| 257 | } |
| 258 | |
| 259 | /* |
| 260 | * Set the amount of time spent in the LoZ state - set for 0x7 only if |
| 261 | * the PCIe clock is output |
| 262 | */ |
| 263 | if (pcie_clk) { |
| 264 | reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL, |
| 265 | 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET, |
| 266 | HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK); |
| 267 | } |
| 268 | |
| 269 | /* Set Maximal PHY Generation Setting(8Gbps) */ |
| 270 | mask = HPIPE_INTERFACE_GEN_MAX_MASK; |
| 271 | data = 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET; |
| 272 | /* Set Link Train Mode (Tx training control pins are used) */ |
| 273 | mask |= HPIPE_INTERFACE_LINK_TRAIN_MASK; |
| 274 | data |= 0x1 << HPIPE_INTERFACE_LINK_TRAIN_OFFSET; |
| 275 | reg_set(hpipe_addr + HPIPE_INTERFACE_REG, data, mask); |
| 276 | |
| 277 | /* Set Idle_sync enable */ |
| 278 | mask = HPIPE_PCIE_IDLE_SYNC_MASK; |
| 279 | data = 0x1 << HPIPE_PCIE_IDLE_SYNC_OFFSET; |
| 280 | /* Select bits for PCIE Gen3(32bit) */ |
| 281 | mask |= HPIPE_PCIE_SEL_BITS_MASK; |
| 282 | data |= 0x2 << HPIPE_PCIE_SEL_BITS_OFFSET; |
| 283 | reg_set(hpipe_addr + HPIPE_PCIE_REG0, data, mask); |
| 284 | |
| 285 | /* Enable Tx_adapt_g1 */ |
| 286 | mask = HPIPE_TX_TRAIN_CTRL_G1_MASK; |
| 287 | data = 0x1 << HPIPE_TX_TRAIN_CTRL_G1_OFFSET; |
| 288 | /* Enable Tx_adapt_gn1 */ |
| 289 | mask |= HPIPE_TX_TRAIN_CTRL_GN1_MASK; |
| 290 | data |= 0x1 << HPIPE_TX_TRAIN_CTRL_GN1_OFFSET; |
| 291 | /* Disable Tx_adapt_g0 */ |
| 292 | mask |= HPIPE_TX_TRAIN_CTRL_G0_MASK; |
| 293 | data |= 0x0 << HPIPE_TX_TRAIN_CTRL_G0_OFFSET; |
| 294 | reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask); |
| 295 | |
| 296 | /* Set reg_tx_train_chk_init */ |
| 297 | mask = HPIPE_TX_TRAIN_CHK_INIT_MASK; |
| 298 | data = 0x0 << HPIPE_TX_TRAIN_CHK_INIT_OFFSET; |
| 299 | /* Enable TX_COE_FM_PIN_PCIE3_EN */ |
| 300 | mask |= HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_MASK; |
| 301 | data |= 0x1 << HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_OFFSET; |
| 302 | reg_set(hpipe_addr + HPIPE_TX_TRAIN_REG, data, mask); |
| 303 | |
| 304 | debug("stage: TRx training parameters\n"); |
| 305 | /* Set Preset sweep configurations */ |
| 306 | mask = HPIPE_TX_TX_STATUS_CHECK_MODE_MASK; |
| 307 | data = 0x1 << HPIPE_TX_STATUS_CHECK_MODE_OFFSET; |
| 308 | |
| 309 | mask |= HPIPE_TX_NUM_OF_PRESET_MASK; |
| 310 | data |= 0x7 << HPIPE_TX_NUM_OF_PRESET_OFFSET; |
| 311 | |
| 312 | mask |= HPIPE_TX_SWEEP_PRESET_EN_MASK; |
| 313 | data |= 0x1 << HPIPE_TX_SWEEP_PRESET_EN_OFFSET; |
| 314 | reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_11_REG, data, mask); |
| 315 | |
| 316 | /* Tx train start configuration */ |
| 317 | mask = HPIPE_TX_TRAIN_START_SQ_EN_MASK; |
| 318 | data = 0x1 << HPIPE_TX_TRAIN_START_SQ_EN_OFFSET; |
| 319 | |
| 320 | mask |= HPIPE_TX_TRAIN_START_FRM_DET_EN_MASK; |
| 321 | data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_DET_EN_OFFSET; |
| 322 | |
| 323 | mask |= HPIPE_TX_TRAIN_START_FRM_LOCK_EN_MASK; |
| 324 | data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_LOCK_EN_OFFSET; |
| 325 | |
| 326 | mask |= HPIPE_TX_TRAIN_WAIT_TIME_EN_MASK; |
| 327 | data |= 0x1 << HPIPE_TX_TRAIN_WAIT_TIME_EN_OFFSET; |
| 328 | reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_5_REG, data, mask); |
| 329 | |
| 330 | /* Enable Tx train P2P */ |
| 331 | mask = HPIPE_TX_TRAIN_P2P_HOLD_MASK; |
| 332 | data = 0x1 << HPIPE_TX_TRAIN_P2P_HOLD_OFFSET; |
| 333 | reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_0_REG, data, mask); |
| 334 | |
| 335 | /* Configure Tx train timeout */ |
| 336 | mask = HPIPE_TRX_TRAIN_TIMER_MASK; |
| 337 | data = 0x17 << HPIPE_TRX_TRAIN_TIMER_OFFSET; |
| 338 | reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_4_REG, data, mask); |
| 339 | |
| 340 | /* Disable G0/G1/GN1 adaptation */ |
| 341 | mask = HPIPE_TX_TRAIN_CTRL_G1_MASK | HPIPE_TX_TRAIN_CTRL_GN1_MASK |
| 342 | | HPIPE_TX_TRAIN_CTRL_G0_OFFSET; |
| 343 | data = 0; |
| 344 | reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask); |
| 345 | |
| 346 | /* Disable DTL frequency loop */ |
| 347 | mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK; |
| 348 | data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET; |
| 349 | reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask); |
| 350 | |
| 351 | /* Configure G3 DFE */ |
| 352 | mask = HPIPE_G3_DFE_RES_MASK; |
| 353 | data = 0x3 << HPIPE_G3_DFE_RES_OFFSET; |
| 354 | reg_set(hpipe_addr + HPIPE_G3_SETTING_4_REG, data, mask); |
| 355 | |
| 356 | /* Force DFE resolution (use GEN table value) */ |
| 357 | mask = HPIPE_DFE_RES_FORCE_MASK; |
| 358 | data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET; |
| 359 | reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask); |
| 360 | |
| 361 | /* Configure initial and final coefficient value for receiver */ |
| 362 | mask = HPIPE_G3_RX_SELMUPI_MASK; |
| 363 | data = 0x1 << HPIPE_G3_RX_SELMUPI_OFFSET; |
| 364 | |
| 365 | mask |= HPIPE_G3_RX_SELMUPF_MASK; |
| 366 | data |= 0x1 << HPIPE_G3_RX_SELMUPF_OFFSET; |
| 367 | |
| 368 | mask |= HPIPE_G3_SETTING_BIT_MASK; |
| 369 | data |= 0x0 << HPIPE_G3_SETTING_BIT_OFFSET; |
| 370 | reg_set(hpipe_addr + HPIPE_G3_SETTINGS_1_REG, data, mask); |
| 371 | |
| 372 | /* Trigger sampler enable pulse */ |
| 373 | mask = HPIPE_SMAPLER_MASK; |
| 374 | data = 0x1 << HPIPE_SMAPLER_OFFSET; |
| 375 | reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask); |
| 376 | udelay(5); |
| 377 | reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, 0, mask); |
| 378 | |
| 379 | /* FFE resistor tuning for different bandwidth */ |
| 380 | mask = HPIPE_G3_FFE_DEG_RES_LEVEL_MASK; |
| 381 | data = 0x1 << HPIPE_G3_FFE_DEG_RES_LEVEL_OFFSET; |
| 382 | |
| 383 | mask |= HPIPE_G3_FFE_LOAD_RES_LEVEL_MASK; |
| 384 | data |= 0x1 << HPIPE_G3_FFE_LOAD_RES_LEVEL_OFFSET; |
| 385 | reg_set(hpipe_addr + HPIPE_G3_SETTING_3_REG, data, mask); |
| 386 | |
| 387 | /* Set phy in root complex mode */ |
| 388 | mask = HPIPE_CFG_PHY_RC_EP_MASK; |
| 389 | data = 0x1 << HPIPE_CFG_PHY_RC_EP_OFFSET; |
| 390 | reg_set(hpipe_addr + HPIPE_LANE_EQU_CONFIG_0_REG, data, mask); |
| 391 | |
| 392 | debug("stage: Comphy power up\n"); |
| 393 | |
| 394 | /* |
| 395 | * For PCIe by4 or by2 - release from reset only after finish to |
| 396 | * configure all lanes |
| 397 | */ |
| 398 | if ((pcie_width == 1) || (lane == (pcie_width - 1))) { |
| 399 | u32 i, start_lane, end_lane; |
| 400 | |
| 401 | if (pcie_width != 1) { |
| 402 | /* allows writing to all lanes in one write */ |
| 403 | reg_set(comphy_base + COMMON_PHY_SD_CTRL1, |
| 404 | 0x0 << |
| 405 | COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET, |
| 406 | COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK); |
| 407 | start_lane = 0; |
| 408 | end_lane = pcie_width; |
| 409 | |
| 410 | /* |
| 411 | * Release from PIPE soft reset |
| 412 | * for PCIe by4 or by2 - release from soft reset |
| 413 | * all lanes - can't use read modify write |
| 414 | */ |
| 415 | reg_set(HPIPE_ADDR(hpipe_base, 0) + |
| 416 | HPIPE_RST_CLK_CTRL_REG, 0x24, 0xffffffff); |
| 417 | } else { |
| 418 | start_lane = lane; |
| 419 | end_lane = lane + 1; |
| 420 | |
| 421 | /* |
| 422 | * Release from PIPE soft reset |
| 423 | * for PCIe by4 or by2 - release from soft reset |
| 424 | * all lanes |
| 425 | */ |
| 426 | reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, |
| 427 | 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET, |
| 428 | HPIPE_RST_CLK_CTRL_PIPE_RST_MASK); |
| 429 | } |
| 430 | |
| 431 | |
| 432 | if (pcie_width != 1) { |
| 433 | /* disable writing to all lanes with one write */ |
| 434 | reg_set(comphy_base + COMMON_PHY_SD_CTRL1, |
| 435 | 0x3210 << |
| 436 | COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET, |
| 437 | COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK); |
| 438 | } |
| 439 | |
| 440 | debug("stage: Check PLL\n"); |
| 441 | /* Read lane status */ |
| 442 | for (i = start_lane; i < end_lane; i++) { |
| 443 | addr = HPIPE_ADDR(hpipe_base, i) + |
| 444 | HPIPE_LANE_STATUS1_REG; |
| 445 | data = HPIPE_LANE_STATUS1_PCLK_EN_MASK; |
| 446 | mask = data; |
| 447 | data = polling_with_timeout(addr, data, mask, 15000); |
| 448 | if (data != 0) { |
| 449 | debug("Read from reg = %p - value = 0x%x\n", |
| 450 | hpipe_addr + HPIPE_LANE_STATUS1_REG, |
| 451 | data); |
| 452 | error("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n"); |
| 453 | ret = 0; |
| 454 | } |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | debug_exit(); |
| 459 | return ret; |
| 460 | } |
| 461 | |
| 462 | static int comphy_usb3_power_up(u32 lane, void __iomem *hpipe_base, |
| 463 | void __iomem *comphy_base) |
| 464 | { |
| 465 | u32 mask, data, ret = 1; |
| 466 | void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane); |
| 467 | void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane); |
| 468 | void __iomem *addr; |
| 469 | |
| 470 | debug_enter(); |
| 471 | debug("stage: RFU configurations - hard reset comphy\n"); |
| 472 | /* RFU configurations - hard reset comphy */ |
| 473 | mask = COMMON_PHY_CFG1_PWR_UP_MASK; |
| 474 | data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; |
| 475 | mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; |
| 476 | data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; |
| 477 | mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK; |
| 478 | data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; |
| 479 | mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; |
| 480 | data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; |
| 481 | mask |= COMMON_PHY_PHY_MODE_MASK; |
| 482 | data |= 0x1 << COMMON_PHY_PHY_MODE_OFFSET; |
| 483 | reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| 484 | |
| 485 | /* release from hard reset */ |
| 486 | mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK; |
| 487 | data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; |
| 488 | mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; |
| 489 | data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; |
| 490 | reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| 491 | |
| 492 | /* Wait 1ms - until band gap and ref clock ready */ |
| 493 | mdelay(1); |
| 494 | |
| 495 | /* Start comphy Configuration */ |
| 496 | debug("stage: Comphy configuration\n"); |
| 497 | /* Set PIPE soft reset */ |
| 498 | mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK; |
| 499 | data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET; |
| 500 | /* Set PHY datapath width mode for V0 */ |
| 501 | mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK; |
| 502 | data |= 0x0 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET; |
| 503 | /* Set Data bus width USB mode for V0 */ |
| 504 | mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK; |
| 505 | data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET; |
| 506 | /* Set CORE_CLK output frequency for 250Mhz */ |
| 507 | mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK; |
| 508 | data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET; |
| 509 | reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask); |
| 510 | /* Set PLL ready delay for 0x2 */ |
| 511 | reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG, |
| 512 | 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET, |
| 513 | HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK); |
| 514 | /* Set reference clock to come from group 1 - 25Mhz */ |
| 515 | reg_set(hpipe_addr + HPIPE_MISC_REG, |
| 516 | 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET, |
| 517 | HPIPE_MISC_REFCLK_SEL_MASK); |
| 518 | /* Set reference frequcency select - 0x2 */ |
| 519 | mask = HPIPE_PWR_PLL_REF_FREQ_MASK; |
| 520 | data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; |
| 521 | /* Set PHY mode to USB - 0x5 */ |
| 522 | mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; |
| 523 | data |= 0x5 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; |
| 524 | reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); |
| 525 | /* Set the amount of time spent in the LoZ state - set for 0x7 */ |
| 526 | reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL, |
| 527 | 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET, |
| 528 | HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK); |
| 529 | /* Set max PHY generation setting - 5Gbps */ |
| 530 | reg_set(hpipe_addr + HPIPE_INTERFACE_REG, |
| 531 | 0x1 << HPIPE_INTERFACE_GEN_MAX_OFFSET, |
| 532 | HPIPE_INTERFACE_GEN_MAX_MASK); |
| 533 | /* Set select data width 20Bit (SEL_BITS[2:0]) */ |
| 534 | reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, |
| 535 | 0x1 << HPIPE_LOOPBACK_SEL_OFFSET, |
| 536 | HPIPE_LOOPBACK_SEL_MASK); |
| 537 | /* select de-emphasize 3.5db */ |
| 538 | reg_set(hpipe_addr + HPIPE_LANE_CONFIG0_REG, |
| 539 | 0x1 << HPIPE_LANE_CONFIG0_TXDEEMPH0_OFFSET, |
| 540 | HPIPE_LANE_CONFIG0_TXDEEMPH0_MASK); |
| 541 | /* override tx margining from the MAC */ |
| 542 | reg_set(hpipe_addr + HPIPE_TST_MODE_CTRL_REG, |
| 543 | 0x1 << HPIPE_TST_MODE_CTRL_MODE_MARGIN_OFFSET, |
| 544 | HPIPE_TST_MODE_CTRL_MODE_MARGIN_MASK); |
| 545 | |
| 546 | /* Start analog paramters from ETP(HW) */ |
| 547 | debug("stage: Analog paramters from ETP(HW)\n"); |
| 548 | /* Set Pin DFE_PAT_DIS -> Bit[1]: PIN_DFE_PAT_DIS = 0x0 */ |
| 549 | mask = HPIPE_LANE_CFG4_DFE_CTRL_MASK; |
| 550 | data = 0x1 << HPIPE_LANE_CFG4_DFE_CTRL_OFFSET; |
| 551 | /* Set Override PHY DFE control pins for 0x1 */ |
| 552 | mask |= HPIPE_LANE_CFG4_DFE_OVER_MASK; |
| 553 | data |= 0x1 << HPIPE_LANE_CFG4_DFE_OVER_OFFSET; |
| 554 | /* Set Spread Spectrum Clock Enable fot 0x1 */ |
| 555 | mask |= HPIPE_LANE_CFG4_SSC_CTRL_MASK; |
| 556 | data |= 0x1 << HPIPE_LANE_CFG4_SSC_CTRL_OFFSET; |
| 557 | reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask); |
| 558 | /* End of analog parameters */ |
| 559 | |
| 560 | debug("stage: Comphy power up\n"); |
| 561 | /* Release from PIPE soft reset */ |
| 562 | reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, |
| 563 | 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET, |
| 564 | HPIPE_RST_CLK_CTRL_PIPE_RST_MASK); |
| 565 | |
| 566 | /* wait 15ms - for comphy calibration done */ |
| 567 | debug("stage: Check PLL\n"); |
| 568 | /* Read lane status */ |
| 569 | addr = hpipe_addr + HPIPE_LANE_STATUS1_REG; |
| 570 | data = HPIPE_LANE_STATUS1_PCLK_EN_MASK; |
| 571 | mask = data; |
| 572 | data = polling_with_timeout(addr, data, mask, 15000); |
| 573 | if (data != 0) { |
| 574 | debug("Read from reg = %p - value = 0x%x\n", |
| 575 | hpipe_addr + HPIPE_LANE_STATUS1_REG, data); |
| 576 | error("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n"); |
| 577 | ret = 0; |
| 578 | } |
| 579 | |
| 580 | debug_exit(); |
| 581 | return ret; |
| 582 | } |
| 583 | |
| 584 | static int comphy_sata_power_up(u32 lane, void __iomem *hpipe_base, |
| 585 | void __iomem *comphy_base, int comphy_index) |
| 586 | { |
| 587 | u32 mask, data, i, ret = 1; |
| 588 | void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane); |
| 589 | void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane); |
| 590 | void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane); |
| 591 | void __iomem *addr; |
| 592 | void __iomem *sata_base = NULL; |
| 593 | int sata_node = -1; /* Set to -1 in order to read the first sata node */ |
| 594 | |
| 595 | debug_enter(); |
| 596 | |
| 597 | /* |
| 598 | * Assumption - each CP has only one SATA controller |
| 599 | * Calling fdt_node_offset_by_compatible first time (with sata_node = -1 |
| 600 | * will return the first node always. |
| 601 | * In order to parse each CPs SATA node, fdt_node_offset_by_compatible |
| 602 | * must be called again (according to the CP id) |
| 603 | */ |
| 604 | for (i = 0; i < (comphy_index + 1); i++) |
| 605 | sata_node = fdt_node_offset_by_compatible( |
| 606 | gd->fdt_blob, sata_node, "marvell,armada-8k-ahci"); |
| 607 | |
| 608 | if (sata_node == 0) { |
| 609 | error("SATA node not found in FDT\n"); |
| 610 | return 0; |
| 611 | } |
| 612 | |
| 613 | sata_base = (void __iomem *)fdtdec_get_addr_size_auto_noparent( |
| 614 | gd->fdt_blob, sata_node, "reg", 0, NULL, true); |
| 615 | if (sata_base == NULL) { |
| 616 | error("SATA address not found in FDT\n"); |
| 617 | return 0; |
| 618 | } |
| 619 | |
| 620 | debug("SATA address found in FDT %p\n", sata_base); |
| 621 | |
| 622 | debug("stage: MAC configuration - power down comphy\n"); |
| 623 | /* |
| 624 | * MAC configuration powe down comphy use indirect address for |
| 625 | * vendor spesific SATA control register |
| 626 | */ |
| 627 | reg_set(sata_base + SATA3_VENDOR_ADDRESS, |
| 628 | SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET, |
| 629 | SATA3_VENDOR_ADDR_MASK); |
| 630 | /* SATA 0 power down */ |
| 631 | mask = SATA3_CTRL_SATA0_PD_MASK; |
| 632 | data = 0x1 << SATA3_CTRL_SATA0_PD_OFFSET; |
| 633 | /* SATA 1 power down */ |
| 634 | mask |= SATA3_CTRL_SATA1_PD_MASK; |
| 635 | data |= 0x1 << SATA3_CTRL_SATA1_PD_OFFSET; |
| 636 | /* SATA SSU disable */ |
| 637 | mask |= SATA3_CTRL_SATA1_ENABLE_MASK; |
| 638 | data |= 0x0 << SATA3_CTRL_SATA1_ENABLE_OFFSET; |
| 639 | /* SATA port 1 disable */ |
| 640 | mask |= SATA3_CTRL_SATA_SSU_MASK; |
| 641 | data |= 0x0 << SATA3_CTRL_SATA_SSU_OFFSET; |
| 642 | reg_set(sata_base + SATA3_VENDOR_DATA, data, mask); |
| 643 | |
| 644 | debug("stage: RFU configurations - hard reset comphy\n"); |
| 645 | /* RFU configurations - hard reset comphy */ |
| 646 | mask = COMMON_PHY_CFG1_PWR_UP_MASK; |
| 647 | data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; |
| 648 | mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; |
| 649 | data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; |
| 650 | mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK; |
| 651 | data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; |
| 652 | mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; |
| 653 | data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; |
| 654 | reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| 655 | |
| 656 | /* Set select data width 40Bit - SATA mode only */ |
| 657 | reg_set(comphy_addr + COMMON_PHY_CFG6_REG, |
| 658 | 0x1 << COMMON_PHY_CFG6_IF_40_SEL_OFFSET, |
| 659 | COMMON_PHY_CFG6_IF_40_SEL_MASK); |
| 660 | |
| 661 | /* release from hard reset in SD external */ |
| 662 | mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; |
| 663 | data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; |
| 664 | mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; |
| 665 | data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; |
| 666 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| 667 | |
| 668 | /* Wait 1ms - until band gap and ref clock ready */ |
| 669 | mdelay(1); |
| 670 | |
| 671 | debug("stage: Comphy configuration\n"); |
| 672 | /* Start comphy Configuration */ |
| 673 | /* Set reference clock to comes from group 1 - choose 25Mhz */ |
| 674 | reg_set(hpipe_addr + HPIPE_MISC_REG, |
| 675 | 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET, |
| 676 | HPIPE_MISC_REFCLK_SEL_MASK); |
| 677 | /* Reference frequency select set 1 (for SATA = 25Mhz) */ |
| 678 | mask = HPIPE_PWR_PLL_REF_FREQ_MASK; |
| 679 | data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; |
| 680 | /* PHY mode select (set SATA = 0x0 */ |
| 681 | mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; |
| 682 | data |= 0x0 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; |
| 683 | reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); |
| 684 | /* Set max PHY generation setting - 6Gbps */ |
| 685 | reg_set(hpipe_addr + HPIPE_INTERFACE_REG, |
| 686 | 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET, |
| 687 | HPIPE_INTERFACE_GEN_MAX_MASK); |
| 688 | /* Set select data width 40Bit (SEL_BITS[2:0]) */ |
| 689 | reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, |
| 690 | 0x2 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK); |
| 691 | |
| 692 | debug("stage: Analog paramters from ETP(HW)\n"); |
| 693 | /* |
| 694 | * TODO: Set analog paramters from ETP(HW) - for now use the |
| 695 | * default datas |
| 696 | */ |
| 697 | |
| 698 | /* DFE reset sequence */ |
| 699 | reg_set(hpipe_addr + HPIPE_PWR_CTR_REG, |
| 700 | 0x1 << HPIPE_PWR_CTR_RST_DFE_OFFSET, |
| 701 | HPIPE_PWR_CTR_RST_DFE_MASK); |
| 702 | reg_set(hpipe_addr + HPIPE_PWR_CTR_REG, |
| 703 | 0x0 << HPIPE_PWR_CTR_RST_DFE_OFFSET, |
| 704 | HPIPE_PWR_CTR_RST_DFE_MASK); |
| 705 | /* SW reset for interupt logic */ |
| 706 | reg_set(hpipe_addr + HPIPE_PWR_CTR_REG, |
| 707 | 0x1 << HPIPE_PWR_CTR_SFT_RST_OFFSET, |
| 708 | HPIPE_PWR_CTR_SFT_RST_MASK); |
| 709 | reg_set(hpipe_addr + HPIPE_PWR_CTR_REG, |
| 710 | 0x0 << HPIPE_PWR_CTR_SFT_RST_OFFSET, |
| 711 | HPIPE_PWR_CTR_SFT_RST_MASK); |
| 712 | |
| 713 | debug("stage: Comphy power up\n"); |
| 714 | /* |
| 715 | * MAC configuration power up comphy - power up PLL/TX/RX |
| 716 | * use indirect address for vendor spesific SATA control register |
| 717 | */ |
| 718 | reg_set(sata_base + SATA3_VENDOR_ADDRESS, |
| 719 | SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET, |
| 720 | SATA3_VENDOR_ADDR_MASK); |
| 721 | /* SATA 0 power up */ |
| 722 | mask = SATA3_CTRL_SATA0_PD_MASK; |
| 723 | data = 0x0 << SATA3_CTRL_SATA0_PD_OFFSET; |
| 724 | /* SATA 1 power up */ |
| 725 | mask |= SATA3_CTRL_SATA1_PD_MASK; |
| 726 | data |= 0x0 << SATA3_CTRL_SATA1_PD_OFFSET; |
| 727 | /* SATA SSU enable */ |
| 728 | mask |= SATA3_CTRL_SATA1_ENABLE_MASK; |
| 729 | data |= 0x1 << SATA3_CTRL_SATA1_ENABLE_OFFSET; |
| 730 | /* SATA port 1 enable */ |
| 731 | mask |= SATA3_CTRL_SATA_SSU_MASK; |
| 732 | data |= 0x1 << SATA3_CTRL_SATA_SSU_OFFSET; |
| 733 | reg_set(sata_base + SATA3_VENDOR_DATA, data, mask); |
| 734 | |
| 735 | /* MBUS request size and interface select register */ |
| 736 | reg_set(sata_base + SATA3_VENDOR_ADDRESS, |
| 737 | SATA_MBUS_SIZE_SELECT_REG << SATA3_VENDOR_ADDR_OFSSET, |
| 738 | SATA3_VENDOR_ADDR_MASK); |
| 739 | /* Mbus regret enable */ |
| 740 | reg_set(sata_base + SATA3_VENDOR_DATA, |
| 741 | 0x1 << SATA_MBUS_REGRET_EN_OFFSET, SATA_MBUS_REGRET_EN_MASK); |
| 742 | |
| 743 | debug("stage: Check PLL\n"); |
| 744 | |
| 745 | addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; |
| 746 | data = SD_EXTERNAL_STATUS0_PLL_TX_MASK & |
| 747 | SD_EXTERNAL_STATUS0_PLL_RX_MASK; |
| 748 | mask = data; |
| 749 | data = polling_with_timeout(addr, data, mask, 15000); |
| 750 | if (data != 0) { |
| 751 | debug("Read from reg = %p - value = 0x%x\n", |
| 752 | hpipe_addr + HPIPE_LANE_STATUS1_REG, data); |
| 753 | error("SD_EXTERNAL_STATUS0_PLL_TX is %d, SD_EXTERNAL_STATUS0_PLL_RX is %d\n", |
| 754 | (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK), |
| 755 | (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK)); |
| 756 | ret = 0; |
| 757 | } |
| 758 | |
| 759 | debug_exit(); |
| 760 | return ret; |
| 761 | } |
| 762 | |
| 763 | static int comphy_sgmii_power_up(u32 lane, u32 sgmii_speed, |
| 764 | void __iomem *hpipe_base, |
| 765 | void __iomem *comphy_base) |
| 766 | { |
| 767 | u32 mask, data, ret = 1; |
| 768 | void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane); |
| 769 | void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane); |
| 770 | void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane); |
| 771 | void __iomem *addr; |
| 772 | |
| 773 | debug_enter(); |
| 774 | debug("stage: RFU configurations - hard reset comphy\n"); |
| 775 | /* RFU configurations - hard reset comphy */ |
| 776 | mask = COMMON_PHY_CFG1_PWR_UP_MASK; |
| 777 | data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; |
| 778 | mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; |
| 779 | data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; |
| 780 | reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| 781 | |
| 782 | /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */ |
| 783 | mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; |
| 784 | data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; |
| 785 | mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK; |
| 786 | mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK; |
| 787 | if (sgmii_speed == PHY_SPEED_1_25G) { |
| 788 | data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET; |
| 789 | data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET; |
| 790 | } else { |
| 791 | /* 3.125G */ |
| 792 | data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET; |
| 793 | data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET; |
| 794 | } |
| 795 | mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; |
| 796 | data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; |
| 797 | mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; |
| 798 | data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; |
| 799 | mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK; |
| 800 | data |= 1 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET; |
| 801 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); |
| 802 | |
| 803 | /* release from hard reset */ |
| 804 | mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; |
| 805 | data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; |
| 806 | mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; |
| 807 | data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; |
| 808 | mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; |
| 809 | data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; |
| 810 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| 811 | |
| 812 | /* release from hard reset */ |
| 813 | mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; |
| 814 | data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; |
| 815 | mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; |
| 816 | data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; |
| 817 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| 818 | |
| 819 | |
| 820 | /* Wait 1ms - until band gap and ref clock ready */ |
| 821 | mdelay(1); |
| 822 | |
| 823 | /* Start comphy Configuration */ |
| 824 | debug("stage: Comphy configuration\n"); |
| 825 | /* set reference clock */ |
| 826 | mask = HPIPE_MISC_REFCLK_SEL_MASK; |
| 827 | data = 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET; |
| 828 | reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask); |
| 829 | /* Power and PLL Control */ |
| 830 | mask = HPIPE_PWR_PLL_REF_FREQ_MASK; |
| 831 | data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; |
| 832 | mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; |
| 833 | data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; |
| 834 | reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); |
| 835 | /* Loopback register */ |
| 836 | mask = HPIPE_LOOPBACK_SEL_MASK; |
| 837 | data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET; |
| 838 | reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask); |
| 839 | /* rx control 1 */ |
| 840 | mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK; |
| 841 | data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET; |
| 842 | mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK; |
| 843 | data |= 0x0 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET; |
| 844 | reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask); |
| 845 | /* DTL Control */ |
| 846 | mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK; |
| 847 | data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET; |
| 848 | reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask); |
| 849 | |
| 850 | /* Set analog paramters from ETP(HW) - for now use the default datas */ |
| 851 | debug("stage: Analog paramters from ETP(HW)\n"); |
| 852 | |
| 853 | reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, |
| 854 | 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET, |
| 855 | HPIPE_G1_SET_0_G1_TX_EMPH1_MASK); |
| 856 | |
| 857 | debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n"); |
| 858 | /* SERDES External Configuration */ |
| 859 | mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; |
| 860 | data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; |
| 861 | mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; |
| 862 | data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; |
| 863 | mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; |
| 864 | data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; |
| 865 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); |
| 866 | |
| 867 | /* check PLL rx & tx ready */ |
| 868 | addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; |
| 869 | data = SD_EXTERNAL_STATUS0_PLL_RX_MASK | |
| 870 | SD_EXTERNAL_STATUS0_PLL_TX_MASK; |
| 871 | mask = data; |
| 872 | data = polling_with_timeout(addr, data, mask, 15000); |
| 873 | if (data != 0) { |
| 874 | debug("Read from reg = %p - value = 0x%x\n", |
| 875 | sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data); |
| 876 | error("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n", |
| 877 | (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK), |
| 878 | (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK)); |
| 879 | ret = 0; |
| 880 | } |
| 881 | |
| 882 | /* RX init */ |
| 883 | mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK; |
| 884 | data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET; |
| 885 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| 886 | |
| 887 | /* check that RX init done */ |
| 888 | addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; |
| 889 | data = SD_EXTERNAL_STATUS0_RX_INIT_MASK; |
| 890 | mask = data; |
| 891 | data = polling_with_timeout(addr, data, mask, 100); |
| 892 | if (data != 0) { |
| 893 | debug("Read from reg = %p - value = 0x%x\n", sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data); |
| 894 | error("SD_EXTERNAL_STATUS0_RX_INIT is 0\n"); |
| 895 | ret = 0; |
| 896 | } |
| 897 | |
| 898 | debug("stage: RF Reset\n"); |
| 899 | /* RF Reset */ |
| 900 | mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK; |
| 901 | data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET; |
| 902 | mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; |
| 903 | data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; |
| 904 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| 905 | |
| 906 | debug_exit(); |
| 907 | return ret; |
| 908 | } |
| 909 | |
| 910 | static int comphy_kr_power_up(u32 lane, void __iomem *hpipe_base, |
| 911 | void __iomem *comphy_base) |
| 912 | { |
| 913 | u32 mask, data, ret = 1; |
| 914 | void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane); |
| 915 | void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane); |
| 916 | void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane); |
| 917 | void __iomem *addr; |
| 918 | |
| 919 | debug_enter(); |
| 920 | debug("stage: RFU configurations - hard reset comphy\n"); |
| 921 | /* RFU configurations - hard reset comphy */ |
| 922 | mask = COMMON_PHY_CFG1_PWR_UP_MASK; |
| 923 | data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; |
| 924 | mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; |
| 925 | data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; |
| 926 | reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| 927 | |
| 928 | /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */ |
| 929 | mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; |
| 930 | data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; |
| 931 | mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK; |
| 932 | data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET; |
| 933 | mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK; |
| 934 | data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET; |
| 935 | mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; |
| 936 | data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; |
| 937 | mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; |
| 938 | data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; |
| 939 | mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK; |
| 940 | data |= 0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET; |
| 941 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); |
| 942 | |
| 943 | /* release from hard reset */ |
| 944 | mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; |
| 945 | data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; |
| 946 | mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; |
| 947 | data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; |
| 948 | mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; |
| 949 | data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; |
| 950 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| 951 | |
| 952 | mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; |
| 953 | data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; |
| 954 | mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; |
| 955 | data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; |
| 956 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| 957 | |
| 958 | |
| 959 | /* Wait 1ms - until band gap and ref clock ready */ |
| 960 | mdelay(1); |
| 961 | |
| 962 | /* Start comphy Configuration */ |
| 963 | debug("stage: Comphy configuration\n"); |
| 964 | /* set reference clock */ |
| 965 | mask = HPIPE_MISC_ICP_FORCE_MASK; |
| 966 | data = 0x1 << HPIPE_MISC_ICP_FORCE_OFFSET; |
| 967 | mask |= HPIPE_MISC_REFCLK_SEL_MASK; |
| 968 | data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET; |
| 969 | reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask); |
| 970 | /* Power and PLL Control */ |
| 971 | mask = HPIPE_PWR_PLL_REF_FREQ_MASK; |
| 972 | data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; |
| 973 | mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; |
| 974 | data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; |
| 975 | reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); |
| 976 | /* Loopback register */ |
| 977 | mask = HPIPE_LOOPBACK_SEL_MASK; |
| 978 | data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET; |
| 979 | reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask); |
| 980 | /* rx control 1 */ |
| 981 | mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK; |
| 982 | data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET; |
| 983 | mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK; |
| 984 | data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET; |
| 985 | reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask); |
| 986 | /* DTL Control */ |
| 987 | mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK; |
| 988 | data = 0x1 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET; |
| 989 | reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask); |
| 990 | |
| 991 | /* Set analog paramters from ETP(HW) */ |
| 992 | debug("stage: Analog paramters from ETP(HW)\n"); |
| 993 | /* SERDES External Configuration 2 */ |
| 994 | mask = SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK; |
| 995 | data = 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET; |
| 996 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, data, mask); |
| 997 | /* 0x7-DFE Resolution control */ |
| 998 | mask = HPIPE_DFE_RES_FORCE_MASK; |
| 999 | data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET; |
| 1000 | reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask); |
| 1001 | /* 0xd-G1_Setting_0 */ |
| 1002 | mask = HPIPE_G1_SET_0_G1_TX_AMP_MASK; |
| 1003 | data = 0x1c << HPIPE_G1_SET_0_G1_TX_AMP_OFFSET; |
| 1004 | mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_MASK; |
| 1005 | data |= 0xe << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET; |
| 1006 | reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, data, mask); |
| 1007 | /* Genration 1 setting 2 (G1_Setting_2) */ |
| 1008 | mask = HPIPE_G1_SET_2_G1_TX_EMPH0_MASK; |
| 1009 | data = 0x0 << HPIPE_G1_SET_2_G1_TX_EMPH0_OFFSET; |
| 1010 | mask |= HPIPE_G1_SET_2_G1_TX_EMPH0_EN_MASK; |
| 1011 | data |= 0x1 << HPIPE_G1_SET_2_G1_TX_EMPH0_EN_OFFSET; |
| 1012 | reg_set(hpipe_addr + HPIPE_G1_SET_2_REG, data, mask); |
| 1013 | /* Transmitter Slew Rate Control register (tx_reg1) */ |
| 1014 | mask = HPIPE_TX_REG1_TX_EMPH_RES_MASK; |
| 1015 | data = 0x3 << HPIPE_TX_REG1_TX_EMPH_RES_OFFSET; |
| 1016 | mask |= HPIPE_TX_REG1_SLC_EN_MASK; |
| 1017 | data |= 0x3f << HPIPE_TX_REG1_SLC_EN_OFFSET; |
| 1018 | reg_set(hpipe_addr + HPIPE_TX_REG1_REG, data, mask); |
| 1019 | /* Impedance Calibration Control register (cal_reg1) */ |
| 1020 | mask = HPIPE_CAL_REG_1_EXT_TXIMP_MASK; |
| 1021 | data = 0xe << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET; |
| 1022 | mask |= HPIPE_CAL_REG_1_EXT_TXIMP_EN_MASK; |
| 1023 | data |= 0x1 << HPIPE_CAL_REG_1_EXT_TXIMP_EN_OFFSET; |
| 1024 | reg_set(hpipe_addr + HPIPE_CAL_REG1_REG, data, mask); |
| 1025 | /* Generation 1 Setting 5 (g1_setting_5) */ |
| 1026 | mask = HPIPE_G1_SETTING_5_G1_ICP_MASK; |
| 1027 | data = 0 << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET; |
| 1028 | reg_set(hpipe_addr + HPIPE_G1_SETTING_5_REG, data, mask); |
| 1029 | /* 0xE-G1_Setting_1 */ |
| 1030 | mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK; |
| 1031 | data = 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET; |
| 1032 | mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK; |
| 1033 | data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET; |
| 1034 | mask |= HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK; |
| 1035 | data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET; |
| 1036 | reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask); |
| 1037 | /* 0xA-DFE_Reg3 */ |
| 1038 | mask = HPIPE_DFE_F3_F5_DFE_EN_MASK; |
| 1039 | data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET; |
| 1040 | mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK; |
| 1041 | data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET; |
| 1042 | reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask); |
| 1043 | |
| 1044 | /* 0x111-G1_Setting_4 */ |
| 1045 | mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK; |
| 1046 | data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET; |
| 1047 | reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask); |
| 1048 | /* Genration 1 setting 3 (G1_Setting_3) */ |
| 1049 | mask = HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_MASK; |
| 1050 | data = 0x1 << HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_OFFSET; |
| 1051 | reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask); |
| 1052 | |
| 1053 | debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n"); |
| 1054 | /* SERDES External Configuration */ |
| 1055 | mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; |
| 1056 | data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; |
| 1057 | mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; |
| 1058 | data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; |
| 1059 | mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; |
| 1060 | data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; |
| 1061 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); |
| 1062 | |
| 1063 | |
| 1064 | /* check PLL rx & tx ready */ |
| 1065 | addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; |
| 1066 | data = SD_EXTERNAL_STATUS0_PLL_RX_MASK | |
| 1067 | SD_EXTERNAL_STATUS0_PLL_TX_MASK; |
| 1068 | mask = data; |
| 1069 | data = polling_with_timeout(addr, data, mask, 15000); |
| 1070 | if (data != 0) { |
| 1071 | debug("Read from reg = %p - value = 0x%x\n", sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data); |
| 1072 | error("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n", |
| 1073 | (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK), |
| 1074 | (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK)); |
| 1075 | ret = 0; |
| 1076 | } |
| 1077 | |
| 1078 | /* RX init */ |
| 1079 | mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK; |
| 1080 | data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET; |
| 1081 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| 1082 | |
| 1083 | |
| 1084 | /* check that RX init done */ |
| 1085 | addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; |
| 1086 | data = SD_EXTERNAL_STATUS0_RX_INIT_MASK; |
| 1087 | mask = data; |
| 1088 | data = polling_with_timeout(addr, data, mask, 100); |
| 1089 | if (data != 0) { |
| 1090 | debug("Read from reg = %p - value = 0x%x\n", |
| 1091 | sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data); |
| 1092 | error("SD_EXTERNAL_STATUS0_RX_INIT is 0\n"); |
| 1093 | ret = 0; |
| 1094 | } |
| 1095 | |
| 1096 | debug("stage: RF Reset\n"); |
| 1097 | /* RF Reset */ |
| 1098 | mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK; |
| 1099 | data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET; |
| 1100 | mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; |
| 1101 | data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; |
| 1102 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| 1103 | |
| 1104 | debug_exit(); |
| 1105 | return ret; |
| 1106 | } |
| 1107 | |
| 1108 | static int comphy_rxauii_power_up(u32 lane, void __iomem *hpipe_base, |
| 1109 | void __iomem *comphy_base) |
| 1110 | { |
| 1111 | u32 mask, data, ret = 1; |
| 1112 | void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane); |
| 1113 | void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane); |
| 1114 | void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane); |
| 1115 | void __iomem *addr; |
| 1116 | |
| 1117 | debug_enter(); |
| 1118 | debug("stage: RFU configurations - hard reset comphy\n"); |
| 1119 | /* RFU configurations - hard reset comphy */ |
| 1120 | mask = COMMON_PHY_CFG1_PWR_UP_MASK; |
| 1121 | data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; |
| 1122 | mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; |
| 1123 | data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; |
| 1124 | reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| 1125 | |
| 1126 | if (lane == 2) { |
| 1127 | reg_set(comphy_base + COMMON_PHY_SD_CTRL1, |
| 1128 | 0x1 << COMMON_PHY_SD_CTRL1_RXAUI0_OFFSET, |
| 1129 | COMMON_PHY_SD_CTRL1_RXAUI0_MASK); |
| 1130 | } |
| 1131 | if (lane == 4) { |
| 1132 | reg_set(comphy_base + COMMON_PHY_SD_CTRL1, |
| 1133 | 0x1 << COMMON_PHY_SD_CTRL1_RXAUI1_OFFSET, |
| 1134 | COMMON_PHY_SD_CTRL1_RXAUI1_MASK); |
| 1135 | } |
| 1136 | |
| 1137 | /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */ |
| 1138 | mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; |
| 1139 | data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; |
| 1140 | mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK; |
| 1141 | data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET; |
| 1142 | mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK; |
| 1143 | data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET; |
| 1144 | mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; |
| 1145 | data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; |
| 1146 | mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; |
| 1147 | data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; |
| 1148 | mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK; |
| 1149 | data |= 0x0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET; |
| 1150 | mask |= SD_EXTERNAL_CONFIG0_MEDIA_MODE_MASK; |
| 1151 | data |= 0x1 << SD_EXTERNAL_CONFIG0_MEDIA_MODE_OFFSET; |
| 1152 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); |
| 1153 | |
| 1154 | /* release from hard reset */ |
| 1155 | mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; |
| 1156 | data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; |
| 1157 | mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; |
| 1158 | data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; |
| 1159 | mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; |
| 1160 | data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; |
| 1161 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| 1162 | |
| 1163 | mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; |
| 1164 | data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; |
| 1165 | mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; |
| 1166 | data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; |
| 1167 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| 1168 | |
| 1169 | /* Wait 1ms - until band gap and ref clock ready */ |
| 1170 | mdelay(1); |
| 1171 | |
| 1172 | /* Start comphy Configuration */ |
| 1173 | debug("stage: Comphy configuration\n"); |
| 1174 | /* set reference clock */ |
| 1175 | reg_set(hpipe_addr + HPIPE_MISC_REG, |
| 1176 | 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET, |
| 1177 | HPIPE_MISC_REFCLK_SEL_MASK); |
| 1178 | /* Power and PLL Control */ |
| 1179 | mask = HPIPE_PWR_PLL_REF_FREQ_MASK; |
| 1180 | data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; |
| 1181 | mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; |
| 1182 | data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; |
| 1183 | reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); |
| 1184 | /* Loopback register */ |
| 1185 | reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, |
| 1186 | 0x1 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK); |
| 1187 | /* rx control 1 */ |
| 1188 | mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK; |
| 1189 | data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET; |
| 1190 | mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK; |
| 1191 | data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET; |
| 1192 | reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask); |
| 1193 | /* DTL Control */ |
| 1194 | reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, |
| 1195 | 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET, |
| 1196 | HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK); |
| 1197 | |
| 1198 | /* Set analog paramters from ETP(HW) */ |
| 1199 | debug("stage: Analog paramters from ETP(HW)\n"); |
| 1200 | /* SERDES External Configuration 2 */ |
| 1201 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, |
| 1202 | 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET, |
| 1203 | SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK); |
| 1204 | /* 0x7-DFE Resolution control */ |
| 1205 | reg_set(hpipe_addr + HPIPE_DFE_REG0, 0x1 << HPIPE_DFE_RES_FORCE_OFFSET, |
| 1206 | HPIPE_DFE_RES_FORCE_MASK); |
| 1207 | /* 0xd-G1_Setting_0 */ |
| 1208 | reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, |
| 1209 | 0xd << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET, |
| 1210 | HPIPE_G1_SET_0_G1_TX_EMPH1_MASK); |
| 1211 | /* 0xE-G1_Setting_1 */ |
| 1212 | mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK; |
| 1213 | data = 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET; |
| 1214 | mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK; |
| 1215 | data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET; |
| 1216 | mask |= HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK; |
| 1217 | data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET; |
| 1218 | reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask); |
| 1219 | /* 0xA-DFE_Reg3 */ |
| 1220 | mask = HPIPE_DFE_F3_F5_DFE_EN_MASK; |
| 1221 | data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET; |
| 1222 | mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK; |
| 1223 | data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET; |
| 1224 | reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask); |
| 1225 | |
| 1226 | /* 0x111-G1_Setting_4 */ |
| 1227 | mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK; |
| 1228 | data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET; |
| 1229 | reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask); |
| 1230 | |
| 1231 | debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n"); |
| 1232 | /* SERDES External Configuration */ |
| 1233 | mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; |
| 1234 | data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; |
| 1235 | mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; |
| 1236 | data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; |
| 1237 | mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; |
| 1238 | data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; |
| 1239 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); |
| 1240 | |
| 1241 | |
| 1242 | /* check PLL rx & tx ready */ |
| 1243 | addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; |
| 1244 | data = SD_EXTERNAL_STATUS0_PLL_RX_MASK | |
| 1245 | SD_EXTERNAL_STATUS0_PLL_TX_MASK; |
| 1246 | mask = data; |
| 1247 | data = polling_with_timeout(addr, data, mask, 15000); |
| 1248 | if (data != 0) { |
| 1249 | debug("Read from reg = %p - value = 0x%x\n", |
| 1250 | sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data); |
| 1251 | error("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n", |
| 1252 | (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK), |
| 1253 | (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK)); |
| 1254 | ret = 0; |
| 1255 | } |
| 1256 | |
| 1257 | /* RX init */ |
| 1258 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, |
| 1259 | 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET, |
| 1260 | SD_EXTERNAL_CONFIG1_RX_INIT_MASK); |
| 1261 | |
| 1262 | /* check that RX init done */ |
| 1263 | addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; |
| 1264 | data = SD_EXTERNAL_STATUS0_RX_INIT_MASK; |
| 1265 | mask = data; |
| 1266 | data = polling_with_timeout(addr, data, mask, 100); |
| 1267 | if (data != 0) { |
| 1268 | debug("Read from reg = %p - value = 0x%x\n", |
| 1269 | sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data); |
| 1270 | error("SD_EXTERNAL_STATUS0_RX_INIT is 0\n"); |
| 1271 | ret = 0; |
| 1272 | } |
| 1273 | |
| 1274 | debug("stage: RF Reset\n"); |
| 1275 | /* RF Reset */ |
| 1276 | mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK; |
| 1277 | data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET; |
| 1278 | mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; |
| 1279 | data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; |
| 1280 | reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| 1281 | |
| 1282 | debug_exit(); |
| 1283 | return ret; |
| 1284 | } |
| 1285 | |
| 1286 | static void comphy_utmi_power_down(u32 utmi_index, void __iomem *utmi_base_addr, |
| 1287 | void __iomem *usb_cfg_addr, |
| 1288 | void __iomem *utmi_cfg_addr, |
| 1289 | u32 utmi_phy_port) |
| 1290 | { |
| 1291 | u32 mask, data; |
| 1292 | |
| 1293 | debug_enter(); |
| 1294 | debug("stage: UTMI %d - Power down transceiver (power down Phy), Power down PLL, and SuspendDM\n", |
| 1295 | utmi_index); |
| 1296 | /* Power down UTMI PHY */ |
| 1297 | reg_set(utmi_cfg_addr, 0x0 << UTMI_PHY_CFG_PU_OFFSET, |
| 1298 | UTMI_PHY_CFG_PU_MASK); |
| 1299 | |
| 1300 | /* |
| 1301 | * If UTMI connected to USB Device, configure mux prior to PHY init |
| 1302 | * (Device can be connected to UTMI0 or to UTMI1) |
| 1303 | */ |
| 1304 | if (utmi_phy_port == UTMI_PHY_TO_USB_DEVICE0) { |
| 1305 | debug("stage: UTMI %d - Enable Device mode and configure UTMI mux\n", |
| 1306 | utmi_index); |
| 1307 | /* USB3 Device UTMI enable */ |
| 1308 | mask = UTMI_USB_CFG_DEVICE_EN_MASK; |
| 1309 | data = 0x1 << UTMI_USB_CFG_DEVICE_EN_OFFSET; |
| 1310 | /* USB3 Device UTMI MUX */ |
| 1311 | mask |= UTMI_USB_CFG_DEVICE_MUX_MASK; |
| 1312 | data |= utmi_index << UTMI_USB_CFG_DEVICE_MUX_OFFSET; |
| 1313 | reg_set(usb_cfg_addr, data, mask); |
| 1314 | } |
| 1315 | |
| 1316 | /* Set Test suspendm mode */ |
| 1317 | mask = UTMI_CTRL_STATUS0_SUSPENDM_MASK; |
| 1318 | data = 0x1 << UTMI_CTRL_STATUS0_SUSPENDM_OFFSET; |
| 1319 | /* Enable Test UTMI select */ |
| 1320 | mask |= UTMI_CTRL_STATUS0_TEST_SEL_MASK; |
| 1321 | data |= 0x1 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET; |
| 1322 | reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG, data, mask); |
| 1323 | |
| 1324 | /* Wait for UTMI power down */ |
| 1325 | mdelay(1); |
| 1326 | |
| 1327 | debug_exit(); |
| 1328 | return; |
| 1329 | } |
| 1330 | |
| 1331 | static void comphy_utmi_phy_config(u32 utmi_index, void __iomem *utmi_base_addr, |
| 1332 | void __iomem *usb_cfg_addr, |
| 1333 | void __iomem *utmi_cfg_addr, |
| 1334 | u32 utmi_phy_port) |
| 1335 | { |
| 1336 | u32 mask, data; |
| 1337 | |
| 1338 | debug_exit(); |
| 1339 | debug("stage: Configure UTMI PHY %d registers\n", utmi_index); |
| 1340 | /* Reference Clock Divider Select */ |
| 1341 | mask = UTMI_PLL_CTRL_REFDIV_MASK; |
| 1342 | data = 0x5 << UTMI_PLL_CTRL_REFDIV_OFFSET; |
| 1343 | /* Feedback Clock Divider Select - 90 for 25Mhz*/ |
| 1344 | mask |= UTMI_PLL_CTRL_FBDIV_MASK; |
| 1345 | data |= 0x60 << UTMI_PLL_CTRL_FBDIV_OFFSET; |
| 1346 | /* Select LPFR - 0x0 for 25Mhz/5=5Mhz*/ |
| 1347 | mask |= UTMI_PLL_CTRL_SEL_LPFR_MASK; |
| 1348 | data |= 0x0 << UTMI_PLL_CTRL_SEL_LPFR_OFFSET; |
| 1349 | reg_set(utmi_base_addr + UTMI_PLL_CTRL_REG, data, mask); |
| 1350 | |
| 1351 | /* Impedance Calibration Threshold Setting */ |
| 1352 | reg_set(utmi_base_addr + UTMI_CALIB_CTRL_REG, |
| 1353 | 0x6 << UTMI_CALIB_CTRL_IMPCAL_VTH_OFFSET, |
| 1354 | UTMI_CALIB_CTRL_IMPCAL_VTH_MASK); |
| 1355 | |
| 1356 | /* Set LS TX driver strength coarse control */ |
| 1357 | mask = UTMI_TX_CH_CTRL_DRV_EN_LS_MASK; |
| 1358 | data = 0x3 << UTMI_TX_CH_CTRL_DRV_EN_LS_OFFSET; |
| 1359 | /* Set LS TX driver fine adjustment */ |
| 1360 | mask |= UTMI_TX_CH_CTRL_IMP_SEL_LS_MASK; |
| 1361 | data |= 0x3 << UTMI_TX_CH_CTRL_IMP_SEL_LS_OFFSET; |
| 1362 | reg_set(utmi_base_addr + UTMI_TX_CH_CTRL_REG, data, mask); |
| 1363 | |
| 1364 | /* Enable SQ */ |
| 1365 | mask = UTMI_RX_CH_CTRL0_SQ_DET_MASK; |
| 1366 | data = 0x0 << UTMI_RX_CH_CTRL0_SQ_DET_OFFSET; |
| 1367 | /* Enable analog squelch detect */ |
| 1368 | mask |= UTMI_RX_CH_CTRL0_SQ_ANA_DTC_MASK; |
| 1369 | data |= 0x1 << UTMI_RX_CH_CTRL0_SQ_ANA_DTC_OFFSET; |
| 1370 | reg_set(utmi_base_addr + UTMI_RX_CH_CTRL0_REG, data, mask); |
| 1371 | |
| 1372 | /* Set External squelch calibration number */ |
| 1373 | mask = UTMI_RX_CH_CTRL1_SQ_AMP_CAL_MASK; |
| 1374 | data = 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_OFFSET; |
| 1375 | /* Enable the External squelch calibration */ |
| 1376 | mask |= UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_MASK; |
| 1377 | data |= 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_OFFSET; |
| 1378 | reg_set(utmi_base_addr + UTMI_RX_CH_CTRL1_REG, data, mask); |
| 1379 | |
| 1380 | /* Set Control VDAT Reference Voltage - 0.325V */ |
| 1381 | mask = UTMI_CHGDTC_CTRL_VDAT_MASK; |
| 1382 | data = 0x1 << UTMI_CHGDTC_CTRL_VDAT_OFFSET; |
| 1383 | /* Set Control VSRC Reference Voltage - 0.6V */ |
| 1384 | mask |= UTMI_CHGDTC_CTRL_VSRC_MASK; |
| 1385 | data |= 0x1 << UTMI_CHGDTC_CTRL_VSRC_OFFSET; |
| 1386 | reg_set(utmi_base_addr + UTMI_CHGDTC_CTRL_REG, data, mask); |
| 1387 | |
| 1388 | debug_exit(); |
| 1389 | return; |
| 1390 | } |
| 1391 | |
| 1392 | static int comphy_utmi_power_up(u32 utmi_index, void __iomem *utmi_base_addr, |
| 1393 | void __iomem *usb_cfg_addr, |
| 1394 | void __iomem *utmi_cfg_addr, u32 utmi_phy_port) |
| 1395 | { |
| 1396 | u32 data, mask, ret = 1; |
| 1397 | void __iomem *addr; |
| 1398 | |
| 1399 | debug_enter(); |
| 1400 | debug("stage: UTMI %d - Power up transceiver(Power up Phy), and exit SuspendDM\n", |
| 1401 | utmi_index); |
| 1402 | /* Power UP UTMI PHY */ |
| 1403 | reg_set(utmi_cfg_addr, 0x1 << UTMI_PHY_CFG_PU_OFFSET, |
| 1404 | UTMI_PHY_CFG_PU_MASK); |
| 1405 | /* Disable Test UTMI select */ |
| 1406 | reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG, |
| 1407 | 0x0 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET, |
| 1408 | UTMI_CTRL_STATUS0_TEST_SEL_MASK); |
| 1409 | |
| 1410 | debug("stage: Polling for PLL and impedance calibration done, and PLL ready done\n"); |
| 1411 | addr = utmi_base_addr + UTMI_CALIB_CTRL_REG; |
| 1412 | data = UTMI_CALIB_CTRL_IMPCAL_DONE_MASK; |
| 1413 | mask = data; |
| 1414 | data = polling_with_timeout(addr, data, mask, 100); |
| 1415 | if (data != 0) { |
| 1416 | error("Impedance calibration is not done\n"); |
| 1417 | debug("Read from reg = %p - value = 0x%x\n", addr, data); |
| 1418 | ret = 0; |
| 1419 | } |
| 1420 | |
| 1421 | data = UTMI_CALIB_CTRL_PLLCAL_DONE_MASK; |
| 1422 | mask = data; |
| 1423 | data = polling_with_timeout(addr, data, mask, 100); |
| 1424 | if (data != 0) { |
| 1425 | error("PLL calibration is not done\n"); |
| 1426 | debug("Read from reg = %p - value = 0x%x\n", addr, data); |
| 1427 | ret = 0; |
| 1428 | } |
| 1429 | |
| 1430 | addr = utmi_base_addr + UTMI_PLL_CTRL_REG; |
| 1431 | data = UTMI_PLL_CTRL_PLL_RDY_MASK; |
| 1432 | mask = data; |
| 1433 | data = polling_with_timeout(addr, data, mask, 100); |
| 1434 | if (data != 0) { |
| 1435 | error("PLL is not ready\n"); |
| 1436 | debug("Read from reg = %p - value = 0x%x\n", addr, data); |
| 1437 | ret = 0; |
| 1438 | } |
| 1439 | |
| 1440 | if (ret) |
| 1441 | debug("Passed\n"); |
| 1442 | else |
| 1443 | debug("\n"); |
| 1444 | |
| 1445 | debug_exit(); |
| 1446 | return ret; |
| 1447 | } |
| 1448 | |
| 1449 | /* |
| 1450 | * comphy_utmi_phy_init initialize the UTMI PHY |
| 1451 | * the init split in 3 parts: |
| 1452 | * 1. Power down transceiver and PLL |
| 1453 | * 2. UTMI PHY configure |
| 1454 | * 3. Powe up transceiver and PLL |
| 1455 | * Note: - Power down/up should be once for both UTMI PHYs |
| 1456 | * - comphy_dedicated_phys_init call this function if at least there is |
| 1457 | * one UTMI PHY exists in FDT blob. access to cp110_utmi_data[0] is |
| 1458 | * legal |
| 1459 | */ |
| 1460 | static void comphy_utmi_phy_init(u32 utmi_phy_count, |
| 1461 | struct utmi_phy_data *cp110_utmi_data) |
| 1462 | { |
| 1463 | u32 i; |
| 1464 | |
| 1465 | debug_enter(); |
| 1466 | /* UTMI Power down */ |
| 1467 | for (i = 0; i < utmi_phy_count; i++) { |
| 1468 | comphy_utmi_power_down(i, cp110_utmi_data[i].utmi_base_addr, |
| 1469 | cp110_utmi_data[i].usb_cfg_addr, |
| 1470 | cp110_utmi_data[i].utmi_cfg_addr, |
| 1471 | cp110_utmi_data[i].utmi_phy_port); |
| 1472 | } |
| 1473 | /* PLL Power down */ |
| 1474 | debug("stage: UTMI PHY power down PLL\n"); |
| 1475 | for (i = 0; i < utmi_phy_count; i++) { |
| 1476 | reg_set(cp110_utmi_data[i].usb_cfg_addr, |
| 1477 | 0x0 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK); |
| 1478 | } |
| 1479 | /* UTMI configure */ |
| 1480 | for (i = 0; i < utmi_phy_count; i++) { |
| 1481 | comphy_utmi_phy_config(i, cp110_utmi_data[i].utmi_base_addr, |
| 1482 | cp110_utmi_data[i].usb_cfg_addr, |
| 1483 | cp110_utmi_data[i].utmi_cfg_addr, |
| 1484 | cp110_utmi_data[i].utmi_phy_port); |
| 1485 | } |
| 1486 | /* UTMI Power up */ |
| 1487 | for (i = 0; i < utmi_phy_count; i++) { |
| 1488 | if (!comphy_utmi_power_up(i, cp110_utmi_data[i].utmi_base_addr, |
| 1489 | cp110_utmi_data[i].usb_cfg_addr, |
| 1490 | cp110_utmi_data[i].utmi_cfg_addr, |
| 1491 | cp110_utmi_data[i].utmi_phy_port)) { |
| 1492 | error("Failed to initialize UTMI PHY %d\n", i); |
| 1493 | continue; |
| 1494 | } |
| 1495 | printf("UTMI PHY %d initialized to ", i); |
| 1496 | if (cp110_utmi_data[i].utmi_phy_port == UTMI_PHY_TO_USB_DEVICE0) |
| 1497 | printf("USB Device\n"); |
| 1498 | else |
| 1499 | printf("USB Host%d\n", |
| 1500 | cp110_utmi_data[i].utmi_phy_port); |
| 1501 | } |
| 1502 | /* PLL Power up */ |
| 1503 | debug("stage: UTMI PHY power up PLL\n"); |
| 1504 | for (i = 0; i < utmi_phy_count; i++) { |
| 1505 | reg_set(cp110_utmi_data[i].usb_cfg_addr, |
| 1506 | 0x1 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK); |
| 1507 | } |
| 1508 | |
| 1509 | debug_exit(); |
| 1510 | return; |
| 1511 | } |
| 1512 | |
| 1513 | /* |
| 1514 | * comphy_dedicated_phys_init initialize the dedicated PHYs |
| 1515 | * - not muxed SerDes lanes e.g. UTMI PHY |
| 1516 | */ |
| 1517 | void comphy_dedicated_phys_init(void) |
| 1518 | { |
| 1519 | struct utmi_phy_data cp110_utmi_data[MAX_UTMI_PHY_COUNT]; |
| 1520 | int node; |
| 1521 | int i; |
| 1522 | |
| 1523 | debug_enter(); |
| 1524 | debug("Initialize USB UTMI PHYs\n"); |
| 1525 | |
| 1526 | /* Find the UTMI phy node in device tree and go over them */ |
| 1527 | node = fdt_node_offset_by_compatible(gd->fdt_blob, -1, |
| 1528 | "marvell,mvebu-utmi-2.6.0"); |
| 1529 | |
| 1530 | i = 0; |
| 1531 | while (node > 0) { |
| 1532 | /* get base address of UTMI phy */ |
| 1533 | cp110_utmi_data[i].utmi_base_addr = |
| 1534 | (void __iomem *)fdtdec_get_addr_size_auto_noparent( |
| 1535 | gd->fdt_blob, node, "reg", 0, NULL, true); |
| 1536 | if (cp110_utmi_data[i].utmi_base_addr == NULL) { |
| 1537 | error("UTMI PHY base address is invalid\n"); |
| 1538 | i++; |
| 1539 | continue; |
| 1540 | } |
| 1541 | |
| 1542 | /* get usb config address */ |
| 1543 | cp110_utmi_data[i].usb_cfg_addr = |
| 1544 | (void __iomem *)fdtdec_get_addr_size_auto_noparent( |
| 1545 | gd->fdt_blob, node, "reg", 1, NULL, true); |
| 1546 | if (cp110_utmi_data[i].usb_cfg_addr == NULL) { |
| 1547 | error("UTMI PHY base address is invalid\n"); |
| 1548 | i++; |
| 1549 | continue; |
| 1550 | } |
| 1551 | |
| 1552 | /* get UTMI config address */ |
| 1553 | cp110_utmi_data[i].utmi_cfg_addr = |
| 1554 | (void __iomem *)fdtdec_get_addr_size_auto_noparent( |
| 1555 | gd->fdt_blob, node, "reg", 2, NULL, true); |
| 1556 | if (cp110_utmi_data[i].utmi_cfg_addr == NULL) { |
| 1557 | error("UTMI PHY base address is invalid\n"); |
| 1558 | i++; |
| 1559 | continue; |
| 1560 | } |
| 1561 | |
| 1562 | /* |
| 1563 | * get the port number (to check if the utmi connected to |
| 1564 | * host/device) |
| 1565 | */ |
| 1566 | cp110_utmi_data[i].utmi_phy_port = fdtdec_get_int( |
| 1567 | gd->fdt_blob, node, "utmi-port", UTMI_PHY_INVALID); |
| 1568 | if (cp110_utmi_data[i].utmi_phy_port == UTMI_PHY_INVALID) { |
| 1569 | error("UTMI PHY port type is invalid\n"); |
| 1570 | i++; |
| 1571 | continue; |
| 1572 | } |
| 1573 | |
| 1574 | node = fdt_node_offset_by_compatible( |
| 1575 | gd->fdt_blob, node, "marvell,mvebu-utmi-2.6.0"); |
| 1576 | i++; |
| 1577 | } |
| 1578 | |
| 1579 | if (i > 0) |
| 1580 | comphy_utmi_phy_init(i, cp110_utmi_data); |
| 1581 | |
| 1582 | debug_exit(); |
| 1583 | } |
| 1584 | |
| 1585 | static void comphy_mux_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg, |
| 1586 | struct comphy_map *serdes_map) |
| 1587 | { |
| 1588 | void __iomem *comphy_base_addr; |
| 1589 | struct comphy_map comphy_map_pipe_data[MAX_LANE_OPTIONS]; |
| 1590 | struct comphy_map comphy_map_phy_data[MAX_LANE_OPTIONS]; |
| 1591 | u32 lane, comphy_max_count; |
| 1592 | |
| 1593 | comphy_max_count = ptr_chip_cfg->comphy_lanes_count; |
| 1594 | comphy_base_addr = ptr_chip_cfg->comphy_base_addr; |
| 1595 | |
| 1596 | /* |
| 1597 | * Copy the SerDes map configuration for PIPE map and PHY map |
| 1598 | * the comphy_mux_init modify the type of the lane if the type |
| 1599 | * is not valid because we have 2 selectores run the |
| 1600 | * comphy_mux_init twice and after that update the original |
| 1601 | * serdes_map |
| 1602 | */ |
| 1603 | for (lane = 0; lane < comphy_max_count; lane++) { |
| 1604 | comphy_map_pipe_data[lane].type = serdes_map[lane].type; |
| 1605 | comphy_map_pipe_data[lane].speed = serdes_map[lane].speed; |
| 1606 | comphy_map_phy_data[lane].type = serdes_map[lane].type; |
| 1607 | comphy_map_phy_data[lane].speed = serdes_map[lane].speed; |
| 1608 | } |
| 1609 | ptr_chip_cfg->mux_data = cp110_comphy_phy_mux_data; |
| 1610 | comphy_mux_init(ptr_chip_cfg, comphy_map_phy_data, |
| 1611 | comphy_base_addr + COMMON_SELECTOR_PHY_OFFSET); |
| 1612 | |
| 1613 | ptr_chip_cfg->mux_data = cp110_comphy_pipe_mux_data; |
| 1614 | comphy_mux_init(ptr_chip_cfg, comphy_map_pipe_data, |
| 1615 | comphy_base_addr + COMMON_SELECTOR_PIPE_OFFSET); |
| 1616 | /* Fix the type after check the PHY and PIPE configuration */ |
| 1617 | for (lane = 0; lane < comphy_max_count; lane++) { |
| 1618 | if ((comphy_map_pipe_data[lane].type == PHY_TYPE_UNCONNECTED) && |
| 1619 | (comphy_map_phy_data[lane].type == PHY_TYPE_UNCONNECTED)) |
| 1620 | serdes_map[lane].type = PHY_TYPE_UNCONNECTED; |
| 1621 | } |
| 1622 | } |
| 1623 | |
| 1624 | int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg, |
| 1625 | struct comphy_map *serdes_map) |
| 1626 | { |
| 1627 | struct comphy_map *ptr_comphy_map; |
| 1628 | void __iomem *comphy_base_addr, *hpipe_base_addr; |
| 1629 | u32 comphy_max_count, lane, ret = 0; |
| 1630 | u32 pcie_width = 0; |
| 1631 | |
| 1632 | debug_enter(); |
| 1633 | |
| 1634 | comphy_max_count = ptr_chip_cfg->comphy_lanes_count; |
| 1635 | comphy_base_addr = ptr_chip_cfg->comphy_base_addr; |
| 1636 | hpipe_base_addr = ptr_chip_cfg->hpipe3_base_addr; |
| 1637 | |
| 1638 | /* Config Comphy mux configuration */ |
| 1639 | comphy_mux_cp110_init(ptr_chip_cfg, serdes_map); |
| 1640 | |
| 1641 | /* Check if the first 4 lanes configured as By-4 */ |
| 1642 | for (lane = 0, ptr_comphy_map = serdes_map; lane < 4; |
| 1643 | lane++, ptr_comphy_map++) { |
| 1644 | if (ptr_comphy_map->type != PHY_TYPE_PEX0) |
| 1645 | break; |
| 1646 | pcie_width++; |
| 1647 | } |
| 1648 | |
| 1649 | for (lane = 0, ptr_comphy_map = serdes_map; lane < comphy_max_count; |
| 1650 | lane++, ptr_comphy_map++) { |
| 1651 | debug("Initialize serdes number %d\n", lane); |
| 1652 | debug("Serdes type = 0x%x\n", ptr_comphy_map->type); |
| 1653 | if (lane == 4) { |
| 1654 | /* |
| 1655 | * PCIe lanes above the first 4 lanes, can be only |
| 1656 | * by1 |
| 1657 | */ |
| 1658 | pcie_width = 1; |
| 1659 | } |
| 1660 | switch (ptr_comphy_map->type) { |
| 1661 | case PHY_TYPE_UNCONNECTED: |
| 1662 | continue; |
| 1663 | break; |
| 1664 | case PHY_TYPE_PEX0: |
| 1665 | case PHY_TYPE_PEX1: |
| 1666 | case PHY_TYPE_PEX2: |
| 1667 | case PHY_TYPE_PEX3: |
| 1668 | ret = comphy_pcie_power_up( |
| 1669 | lane, pcie_width, ptr_comphy_map->clk_src, |
| 1670 | hpipe_base_addr, comphy_base_addr); |
| 1671 | break; |
| 1672 | case PHY_TYPE_SATA0: |
| 1673 | case PHY_TYPE_SATA1: |
| 1674 | case PHY_TYPE_SATA2: |
| 1675 | case PHY_TYPE_SATA3: |
| 1676 | ret = comphy_sata_power_up( |
| 1677 | lane, hpipe_base_addr, comphy_base_addr, |
| 1678 | ptr_chip_cfg->comphy_index); |
| 1679 | break; |
| 1680 | case PHY_TYPE_USB3_HOST0: |
| 1681 | case PHY_TYPE_USB3_HOST1: |
| 1682 | case PHY_TYPE_USB3_DEVICE: |
| 1683 | ret = comphy_usb3_power_up(lane, hpipe_base_addr, |
| 1684 | comphy_base_addr); |
| 1685 | break; |
| 1686 | case PHY_TYPE_SGMII0: |
| 1687 | case PHY_TYPE_SGMII1: |
| 1688 | case PHY_TYPE_SGMII2: |
| 1689 | case PHY_TYPE_SGMII3: |
| 1690 | if (ptr_comphy_map->speed == PHY_SPEED_INVALID) { |
| 1691 | debug("Warning: SGMII PHY speed in lane %d is invalid, set PHY speed to 1.25G\n", |
| 1692 | lane); |
| 1693 | ptr_comphy_map->speed = PHY_SPEED_1_25G; |
| 1694 | } |
| 1695 | ret = comphy_sgmii_power_up( |
| 1696 | lane, ptr_comphy_map->speed, hpipe_base_addr, |
| 1697 | comphy_base_addr); |
| 1698 | break; |
| 1699 | case PHY_TYPE_KR: |
| 1700 | ret = comphy_kr_power_up(lane, hpipe_base_addr, |
| 1701 | comphy_base_addr); |
| 1702 | break; |
| 1703 | case PHY_TYPE_RXAUI0: |
| 1704 | case PHY_TYPE_RXAUI1: |
| 1705 | ret = comphy_rxauii_power_up(lane, hpipe_base_addr, |
| 1706 | comphy_base_addr); |
| 1707 | break; |
| 1708 | default: |
| 1709 | debug("Unknown SerDes type, skip initialize SerDes %d\n", |
| 1710 | lane); |
| 1711 | break; |
| 1712 | } |
| 1713 | if (ret == 0) { |
| 1714 | /* |
| 1715 | * If interface wans't initialiuzed, set the lane to |
| 1716 | * PHY_TYPE_UNCONNECTED state. |
| 1717 | */ |
| 1718 | ptr_comphy_map->type = PHY_TYPE_UNCONNECTED; |
| 1719 | error("PLL is not locked - Failed to initialize lane %d\n", |
| 1720 | lane); |
| 1721 | } |
| 1722 | } |
| 1723 | |
| 1724 | debug_exit(); |
| 1725 | return 0; |
| 1726 | } |