| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2015-2016 Marvell International Ltd. |
| */ |
| |
| #include <common.h> |
| #include <fdtdec.h> |
| #include <asm/io.h> |
| #include <asm/arch/cpu.h> |
| #include <asm/arch/soc.h> |
| |
| #include "comphy.h" |
| #include "comphy_hpipe.h" |
| #include "sata.h" |
| #include "utmi_phy.h" |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #define SD_ADDR(base, lane) (base + 0x1000 * lane) |
| #define HPIPE_ADDR(base, lane) (SD_ADDR(base, lane) + 0x800) |
| #define COMPHY_ADDR(base, lane) (base + 0x28 * lane) |
| |
| struct utmi_phy_data { |
| void __iomem *utmi_base_addr; |
| void __iomem *usb_cfg_addr; |
| void __iomem *utmi_cfg_addr; |
| u32 utmi_phy_port; |
| }; |
| |
| /* |
| * For CP-110 we have 2 Selector registers "PHY Selectors", |
| * and "PIPE Selectors". |
| * PIPE selector include USB and PCIe options. |
| * PHY selector include the Ethernet and SATA options, every Ethernet |
| * option has different options, for example: serdes lane2 had option |
| * Eth_port_0 that include (SGMII0, RXAUI0, SFI) |
| */ |
| struct comphy_mux_data cp110_comphy_phy_mux_data[] = { |
| {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII1, 0x1}, /* Lane 0 */ |
| {PHY_TYPE_SATA1, 0x4} } }, |
| {4, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 1 */ |
| {PHY_TYPE_SATA0, 0x4} } }, |
| {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x1}, /* Lane 2 */ |
| {PHY_TYPE_RXAUI0, 0x1}, {PHY_TYPE_SFI, 0x1}, |
| {PHY_TYPE_SATA0, 0x4} } }, |
| {8, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_RXAUI1, 0x1}, /* Lane 3 */ |
| {PHY_TYPE_SGMII1, 0x2}, {PHY_TYPE_SATA1, 0x4} } }, |
| {7, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII0, 0x2}, /* Lane 4 */ |
| {PHY_TYPE_RXAUI0, 0x2}, {PHY_TYPE_SFI, 0x2}, |
| {PHY_TYPE_SGMII1, 0x1} } }, |
| {6, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_SGMII2, 0x1}, /* Lane 5 */ |
| {PHY_TYPE_RXAUI1, 0x2}, {PHY_TYPE_SATA1, 0x4} } }, |
| }; |
| |
| struct comphy_mux_data cp110_comphy_pipe_mux_data[] = { |
| {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX0, 0x4} } }, /* Lane 0 */ |
| {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 1 */ |
| {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_USB3_DEVICE, 0x2}, |
| {PHY_TYPE_PEX0, 0x4} } }, |
| {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 2 */ |
| {PHY_TYPE_USB3_HOST0, 0x1}, {PHY_TYPE_PEX0, 0x4} } }, |
| {3, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 3 */ |
| {PHY_TYPE_USB3_HOST1, 0x1}, {PHY_TYPE_PEX0, 0x4} } }, |
| {4, {{PHY_TYPE_UNCONNECTED, 0x0}, /* Lane 4 */ |
| {PHY_TYPE_USB3_HOST1, 0x1}, |
| {PHY_TYPE_USB3_DEVICE, 0x2}, {PHY_TYPE_PEX1, 0x4} } }, |
| {2, {{PHY_TYPE_UNCONNECTED, 0x0}, {PHY_TYPE_PEX2, 0x4} } }, /* Lane 5 */ |
| }; |
| |
| static u32 polling_with_timeout(void __iomem *addr, u32 val, |
| u32 mask, unsigned long usec_timout) |
| { |
| u32 data; |
| |
| do { |
| udelay(1); |
| data = readl(addr) & mask; |
| } while (data != val && --usec_timout > 0); |
| |
| if (usec_timout == 0) |
| return data; |
| |
| return 0; |
| } |
| |
| static int comphy_pcie_power_up(u32 lane, u32 pcie_width, bool clk_src, |
| bool is_end_point, void __iomem *hpipe_base, |
| void __iomem *comphy_base) |
| { |
| u32 mask, data, ret = 1; |
| void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane); |
| void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane); |
| void __iomem *addr; |
| u32 pcie_clk = 0; /* set input by default */ |
| |
| debug_enter(); |
| |
| /* |
| * ToDo: |
| * Add SAR (Sample-At-Reset) configuration for the PCIe clock |
| * direction. SAR code is currently not ported from Marvell |
| * U-Boot to mainline version. |
| * |
| * SerDes Lane 4/5 got the PCIe ref-clock #1, |
| * and SerDes Lane 0 got PCIe ref-clock #0 |
| */ |
| debug("PCIe clock = %x\n", pcie_clk); |
| debug("PCIe RC = %d\n", !is_end_point); |
| debug("PCIe width = %d\n", pcie_width); |
| |
| /* enable PCIe by4 and by2 */ |
| if (lane == 0) { |
| if (pcie_width == 4) { |
| reg_set(comphy_base + COMMON_PHY_SD_CTRL1, |
| 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X4_EN_OFFSET, |
| COMMON_PHY_SD_CTRL1_PCIE_X4_EN_MASK); |
| } else if (pcie_width == 2) { |
| reg_set(comphy_base + COMMON_PHY_SD_CTRL1, |
| 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X2_EN_OFFSET, |
| COMMON_PHY_SD_CTRL1_PCIE_X2_EN_MASK); |
| } |
| } |
| |
| /* |
| * If PCIe clock is output and clock source from SerDes lane 5, |
| * we need to configure the clock-source MUX. |
| * By default, the clock source is from lane 4 |
| */ |
| if (pcie_clk && clk_src && (lane == 5)) { |
| reg_set((void __iomem *)DFX_DEV_GEN_CTRL12, |
| 0x3 << DFX_DEV_GEN_PCIE_CLK_SRC_OFFSET, |
| DFX_DEV_GEN_PCIE_CLK_SRC_MASK); |
| } |
| |
| debug("stage: RFU configurations - hard reset comphy\n"); |
| /* RFU configurations - hard reset comphy */ |
| mask = COMMON_PHY_CFG1_PWR_UP_MASK; |
| data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; |
| mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; |
| data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; |
| mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK; |
| data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; |
| mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; |
| data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; |
| mask |= COMMON_PHY_PHY_MODE_MASK; |
| data |= 0x0 << COMMON_PHY_PHY_MODE_OFFSET; |
| reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| |
| /* release from hard reset */ |
| mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK; |
| data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; |
| mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; |
| data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; |
| reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| |
| /* Wait 1ms - until band gap and ref clock ready */ |
| mdelay(1); |
| /* Start comphy Configuration */ |
| debug("stage: Comphy configuration\n"); |
| /* Set PIPE soft reset */ |
| mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK; |
| data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET; |
| /* Set PHY datapath width mode for V0 */ |
| mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK; |
| data |= 0x1 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET; |
| /* Set Data bus width USB mode for V0 */ |
| mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK; |
| data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET; |
| /* Set CORE_CLK output frequency for 250Mhz */ |
| mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK; |
| data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask); |
| /* Set PLL ready delay for 0x2 */ |
| data = 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET; |
| mask = HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK; |
| if (pcie_width != 1) { |
| data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_OFFSET; |
| mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_MASK; |
| data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_OFFSET; |
| mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_MASK; |
| } |
| reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG, data, mask); |
| |
| /* Set PIPE mode interface to PCIe3 - 0x1 & set lane order */ |
| data = 0x1 << HPIPE_CLK_SRC_HI_MODE_PIPE_OFFSET; |
| mask = HPIPE_CLK_SRC_HI_MODE_PIPE_MASK; |
| if (pcie_width != 1) { |
| mask |= HPIPE_CLK_SRC_HI_LANE_STRT_MASK; |
| mask |= HPIPE_CLK_SRC_HI_LANE_MASTER_MASK; |
| mask |= HPIPE_CLK_SRC_HI_LANE_BREAK_MASK; |
| if (lane == 0) { |
| data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_STRT_OFFSET; |
| data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_MASTER_OFFSET; |
| } else if (lane == (pcie_width - 1)) { |
| data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_BREAK_OFFSET; |
| } |
| } |
| reg_set(hpipe_addr + HPIPE_CLK_SRC_HI_REG, data, mask); |
| /* Config update polarity equalization */ |
| reg_set(hpipe_addr + HPIPE_LANE_EQ_CFG1_REG, |
| 0x1 << HPIPE_CFG_UPDATE_POLARITY_OFFSET, |
| HPIPE_CFG_UPDATE_POLARITY_MASK); |
| /* Set PIPE version 4 to mode enable */ |
| reg_set(hpipe_addr + HPIPE_DFE_CTRL_28_REG, |
| 0x1 << HPIPE_DFE_CTRL_28_PIPE4_OFFSET, |
| HPIPE_DFE_CTRL_28_PIPE4_MASK); |
| /* TODO: check if pcie clock is output/input - for bringup use input*/ |
| /* Enable PIN clock 100M_125M */ |
| mask = 0; |
| data = 0; |
| /* Only if clock is output, configure the clock-source mux */ |
| if (pcie_clk) { |
| mask |= HPIPE_MISC_CLK100M_125M_MASK; |
| data |= 0x1 << HPIPE_MISC_CLK100M_125M_OFFSET; |
| } |
| /* |
| * Set PIN_TXDCLK_2X Clock Frequency Selection for outputs 500MHz |
| * clock |
| */ |
| mask |= HPIPE_MISC_TXDCLK_2X_MASK; |
| data |= 0x0 << HPIPE_MISC_TXDCLK_2X_OFFSET; |
| /* Enable 500MHz Clock */ |
| mask |= HPIPE_MISC_CLK500_EN_MASK; |
| data |= 0x1 << HPIPE_MISC_CLK500_EN_OFFSET; |
| if (pcie_clk) { /* output */ |
| /* Set reference clock comes from group 1 */ |
| mask |= HPIPE_MISC_REFCLK_SEL_MASK; |
| data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET; |
| } else { |
| /* Set reference clock comes from group 2 */ |
| mask |= HPIPE_MISC_REFCLK_SEL_MASK; |
| data |= 0x1 << HPIPE_MISC_REFCLK_SEL_OFFSET; |
| } |
| mask |= HPIPE_MISC_ICP_FORCE_MASK; |
| data |= 0x1 << HPIPE_MISC_ICP_FORCE_OFFSET; |
| reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask); |
| if (pcie_clk) { /* output */ |
| /* Set reference frequcency select - 0x2 for 25MHz*/ |
| mask = HPIPE_PWR_PLL_REF_FREQ_MASK; |
| data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; |
| } else { |
| /* Set reference frequcency select - 0x0 for 100MHz*/ |
| mask = HPIPE_PWR_PLL_REF_FREQ_MASK; |
| data = 0x0 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; |
| } |
| /* Set PHY mode to PCIe */ |
| mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; |
| data |= 0x3 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; |
| reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); |
| |
| /* ref clock alignment */ |
| if (pcie_width != 1) { |
| mask = HPIPE_LANE_ALIGN_OFF_MASK; |
| data = 0x0 << HPIPE_LANE_ALIGN_OFF_OFFSET; |
| reg_set(hpipe_addr + HPIPE_LANE_ALIGN_REG, data, mask); |
| } |
| |
| /* |
| * Set the amount of time spent in the LoZ state - set for 0x7 only if |
| * the PCIe clock is output |
| */ |
| if (pcie_clk) { |
| reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL, |
| 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET, |
| HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK); |
| } |
| |
| /* Set Maximal PHY Generation Setting(8Gbps) */ |
| mask = HPIPE_INTERFACE_GEN_MAX_MASK; |
| data = 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET; |
| /* Bypass frame detection and sync detection for RX DATA */ |
| mask = HPIPE_INTERFACE_DET_BYPASS_MASK; |
| data = 0x1 << HPIPE_INTERFACE_DET_BYPASS_OFFSET; |
| /* Set Link Train Mode (Tx training control pins are used) */ |
| mask |= HPIPE_INTERFACE_LINK_TRAIN_MASK; |
| data |= 0x1 << HPIPE_INTERFACE_LINK_TRAIN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_INTERFACE_REG, data, mask); |
| |
| /* Set Idle_sync enable */ |
| mask = HPIPE_PCIE_IDLE_SYNC_MASK; |
| data = 0x1 << HPIPE_PCIE_IDLE_SYNC_OFFSET; |
| /* Select bits for PCIE Gen3(32bit) */ |
| mask |= HPIPE_PCIE_SEL_BITS_MASK; |
| data |= 0x2 << HPIPE_PCIE_SEL_BITS_OFFSET; |
| reg_set(hpipe_addr + HPIPE_PCIE_REG0, data, mask); |
| |
| /* Enable Tx_adapt_g1 */ |
| mask = HPIPE_TX_TRAIN_CTRL_G1_MASK; |
| data = 0x1 << HPIPE_TX_TRAIN_CTRL_G1_OFFSET; |
| /* Enable Tx_adapt_gn1 */ |
| mask |= HPIPE_TX_TRAIN_CTRL_GN1_MASK; |
| data |= 0x1 << HPIPE_TX_TRAIN_CTRL_GN1_OFFSET; |
| /* Disable Tx_adapt_g0 */ |
| mask |= HPIPE_TX_TRAIN_CTRL_G0_MASK; |
| data |= 0x0 << HPIPE_TX_TRAIN_CTRL_G0_OFFSET; |
| reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask); |
| |
| /* Set reg_tx_train_chk_init */ |
| mask = HPIPE_TX_TRAIN_CHK_INIT_MASK; |
| data = 0x0 << HPIPE_TX_TRAIN_CHK_INIT_OFFSET; |
| /* Enable TX_COE_FM_PIN_PCIE3_EN */ |
| mask |= HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_MASK; |
| data |= 0x1 << HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_OFFSET; |
| reg_set(hpipe_addr + HPIPE_TX_TRAIN_REG, data, mask); |
| |
| debug("stage: TRx training parameters\n"); |
| /* Set Preset sweep configurations */ |
| mask = HPIPE_TX_TX_STATUS_CHECK_MODE_MASK; |
| data = 0x1 << HPIPE_TX_STATUS_CHECK_MODE_OFFSET; |
| |
| mask |= HPIPE_TX_NUM_OF_PRESET_MASK; |
| data |= 0x7 << HPIPE_TX_NUM_OF_PRESET_OFFSET; |
| |
| mask |= HPIPE_TX_SWEEP_PRESET_EN_MASK; |
| data |= 0x1 << HPIPE_TX_SWEEP_PRESET_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_11_REG, data, mask); |
| |
| /* Tx train start configuration */ |
| mask = HPIPE_TX_TRAIN_START_SQ_EN_MASK; |
| data = 0x1 << HPIPE_TX_TRAIN_START_SQ_EN_OFFSET; |
| |
| mask |= HPIPE_TX_TRAIN_START_FRM_DET_EN_MASK; |
| data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_DET_EN_OFFSET; |
| |
| mask |= HPIPE_TX_TRAIN_START_FRM_LOCK_EN_MASK; |
| data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_LOCK_EN_OFFSET; |
| |
| mask |= HPIPE_TX_TRAIN_WAIT_TIME_EN_MASK; |
| data |= 0x1 << HPIPE_TX_TRAIN_WAIT_TIME_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_5_REG, data, mask); |
| |
| /* Enable Tx train P2P */ |
| mask = HPIPE_TX_TRAIN_P2P_HOLD_MASK; |
| data = 0x1 << HPIPE_TX_TRAIN_P2P_HOLD_OFFSET; |
| reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_0_REG, data, mask); |
| |
| /* Configure Tx train timeout */ |
| mask = HPIPE_TRX_TRAIN_TIMER_MASK; |
| data = 0x17 << HPIPE_TRX_TRAIN_TIMER_OFFSET; |
| reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_4_REG, data, mask); |
| |
| /* Disable G0/G1/GN1 adaptation */ |
| mask = HPIPE_TX_TRAIN_CTRL_G1_MASK | HPIPE_TX_TRAIN_CTRL_GN1_MASK |
| | HPIPE_TX_TRAIN_CTRL_G0_OFFSET; |
| data = 0; |
| reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask); |
| |
| /* Disable DTL frequency loop */ |
| mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK; |
| data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask); |
| |
| /* Configure G3 DFE */ |
| mask = HPIPE_G3_DFE_RES_MASK; |
| data = 0x3 << HPIPE_G3_DFE_RES_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G3_SETTING_4_REG, data, mask); |
| |
| /* Use TX/RX training result for DFE */ |
| mask = HPIPE_DFE_RES_FORCE_MASK; |
| data = 0x0 << HPIPE_DFE_RES_FORCE_OFFSET; |
| reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask); |
| |
| /* Configure initial and final coefficient value for receiver */ |
| mask = HPIPE_G3_SET_1_G3_RX_SELMUPI_MASK; |
| data = 0x1 << HPIPE_G3_SET_1_G3_RX_SELMUPI_OFFSET; |
| |
| mask |= HPIPE_G3_SET_1_G3_RX_SELMUPF_MASK; |
| data |= 0x1 << HPIPE_G3_SET_1_G3_RX_SELMUPF_OFFSET; |
| |
| mask |= HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_MASK; |
| data |= 0x0 << HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G3_SET_1_REG, data, mask); |
| |
| /* Trigger sampler enable pulse */ |
| mask = HPIPE_SMAPLER_MASK; |
| data = 0x1 << HPIPE_SMAPLER_OFFSET; |
| reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask); |
| udelay(5); |
| reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, 0, mask); |
| |
| /* FFE resistor tuning for different bandwidth */ |
| mask = HPIPE_G3_FFE_DEG_RES_LEVEL_MASK; |
| data = 0x1 << HPIPE_G3_FFE_DEG_RES_LEVEL_OFFSET; |
| |
| mask |= HPIPE_G3_FFE_LOAD_RES_LEVEL_MASK; |
| data |= 0x3 << HPIPE_G3_FFE_LOAD_RES_LEVEL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G3_SETTING_3_REG, data, mask); |
| |
| /* Pattern lock lost timeout disable */ |
| mask = HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_MASK; |
| data = 0x0 << HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_3_REG, data, mask); |
| |
| /* Configure DFE adaptations */ |
| mask = HPIPE_CDR_MAX_DFE_ADAPT_1_MASK; |
| data = 0x1 << HPIPE_CDR_MAX_DFE_ADAPT_1_OFFSET; |
| mask |= HPIPE_CDR_MAX_DFE_ADAPT_0_MASK; |
| data |= 0x0 << HPIPE_CDR_MAX_DFE_ADAPT_0_OFFSET; |
| mask |= HPIPE_CDR_RX_MAX_DFE_ADAPT_1_MASK; |
| data |= 0x0 << HPIPE_CDR_RX_MAX_DFE_ADAPT_1_OFFSET; |
| reg_set(hpipe_addr + HPIPE_CDR_CONTROL_REG, data, mask); |
| mask = HPIPE_DFE_TX_MAX_DFE_ADAPT_MASK; |
| data = 0x0 << HPIPE_DFE_TX_MAX_DFE_ADAPT_OFFSET; |
| reg_set(hpipe_addr + HPIPE_DFE_CONTROL_REG, data, mask); |
| |
| /* Genration 2 setting 1*/ |
| mask = HPIPE_G2_SET_1_G2_RX_SELMUPI_MASK; |
| data = 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUPI_OFFSET; |
| mask |= HPIPE_G2_SET_1_G2_RX_SELMUPP_MASK; |
| data |= 0x1 << HPIPE_G2_SET_1_G2_RX_SELMUPP_OFFSET; |
| mask |= HPIPE_G2_SET_1_G2_RX_SELMUFI_MASK; |
| data |= 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUFI_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G2_SET_1_REG, data, mask); |
| |
| /* DFE enable */ |
| mask = HPIPE_G2_DFE_RES_MASK; |
| data = 0x3 << HPIPE_G2_DFE_RES_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G2_SETTINGS_4_REG, data, mask); |
| |
| /* Configure DFE Resolution */ |
| mask = HPIPE_LANE_CFG4_DFE_EN_SEL_MASK; |
| data = 0x1 << HPIPE_LANE_CFG4_DFE_EN_SEL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask); |
| |
| /* VDD calibration control */ |
| mask = HPIPE_EXT_SELLV_RXSAMPL_MASK; |
| data = 0x16 << HPIPE_EXT_SELLV_RXSAMPL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask); |
| |
| /* Set PLL Charge-pump Current Control */ |
| mask = HPIPE_G3_SETTING_5_G3_ICP_MASK; |
| data = 0x4 << HPIPE_G3_SETTING_5_G3_ICP_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G3_SETTING_5_REG, data, mask); |
| |
| /* Set lane rqualization remote setting */ |
| mask = HPIPE_LANE_CFG_FOM_DIRN_OVERRIDE_MASK; |
| data = 0x1 << HPIPE_LANE_CFG_FOM_DIRN_OVERRIDE_OFFSET; |
| mask |= HPIPE_LANE_CFG_FOM_ONLY_MODE_MASK; |
| data |= 0x1 << HPIPE_LANE_CFG_FOM_ONLY_MODE_OFFFSET; |
| mask |= HPIPE_LANE_CFG_FOM_PRESET_VECTOR_MASK; |
| data |= 0x2 << HPIPE_LANE_CFG_FOM_PRESET_VECTOR_OFFSET; |
| reg_set(hpipe_addr + HPIPE_LANE_EQ_REMOTE_SETTING_REG, data, mask); |
| |
| if (!is_end_point) { |
| /* Set phy in root complex mode */ |
| mask = HPIPE_CFG_PHY_RC_EP_MASK; |
| data = 0x1 << HPIPE_CFG_PHY_RC_EP_OFFSET; |
| reg_set(hpipe_addr + HPIPE_LANE_EQU_CONFIG_0_REG, data, mask); |
| } |
| |
| debug("stage: Comphy power up\n"); |
| |
| /* |
| * For PCIe by4 or by2 - release from reset only after finish to |
| * configure all lanes |
| */ |
| if ((pcie_width == 1) || (lane == (pcie_width - 1))) { |
| u32 i, start_lane, end_lane; |
| |
| if (pcie_width != 1) { |
| /* allows writing to all lanes in one write */ |
| reg_set(comphy_base + COMMON_PHY_SD_CTRL1, |
| 0x0 << |
| COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET, |
| COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK); |
| start_lane = 0; |
| end_lane = pcie_width; |
| |
| /* |
| * Release from PIPE soft reset |
| * for PCIe by4 or by2 - release from soft reset |
| * all lanes - can't use read modify write |
| */ |
| reg_set(HPIPE_ADDR(hpipe_base, 0) + |
| HPIPE_RST_CLK_CTRL_REG, 0x24, 0xffffffff); |
| } else { |
| start_lane = lane; |
| end_lane = lane + 1; |
| |
| /* |
| * Release from PIPE soft reset |
| * for PCIe by4 or by2 - release from soft reset |
| * all lanes |
| */ |
| reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, |
| 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET, |
| HPIPE_RST_CLK_CTRL_PIPE_RST_MASK); |
| } |
| |
| |
| if (pcie_width != 1) { |
| /* disable writing to all lanes with one write */ |
| reg_set(comphy_base + COMMON_PHY_SD_CTRL1, |
| 0x3210 << |
| COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_OFFSET, |
| COMMON_PHY_SD_CTRL1_COMPHY_0_4_PORT_MASK); |
| } |
| |
| debug("stage: Check PLL\n"); |
| /* Read lane status */ |
| for (i = start_lane; i < end_lane; i++) { |
| addr = HPIPE_ADDR(hpipe_base, i) + |
| HPIPE_LANE_STATUS1_REG; |
| data = HPIPE_LANE_STATUS1_PCLK_EN_MASK; |
| mask = data; |
| data = polling_with_timeout(addr, data, mask, 15000); |
| if (data != 0) { |
| debug("Read from reg = %p - value = 0x%x\n", |
| hpipe_addr + HPIPE_LANE_STATUS1_REG, |
| data); |
| pr_err("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n"); |
| ret = 0; |
| } |
| } |
| } |
| |
| debug_exit(); |
| return ret; |
| } |
| |
| static int comphy_usb3_power_up(u32 lane, void __iomem *hpipe_base, |
| void __iomem *comphy_base) |
| { |
| u32 mask, data, ret = 1; |
| void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane); |
| void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane); |
| void __iomem *addr; |
| |
| debug_enter(); |
| debug("stage: RFU configurations - hard reset comphy\n"); |
| /* RFU configurations - hard reset comphy */ |
| mask = COMMON_PHY_CFG1_PWR_UP_MASK; |
| data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; |
| mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; |
| data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; |
| mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK; |
| data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; |
| mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; |
| data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; |
| mask |= COMMON_PHY_PHY_MODE_MASK; |
| data |= 0x1 << COMMON_PHY_PHY_MODE_OFFSET; |
| reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| |
| /* release from hard reset */ |
| mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK; |
| data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; |
| mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; |
| data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; |
| reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| |
| /* Wait 1ms - until band gap and ref clock ready */ |
| mdelay(1); |
| |
| /* Start comphy Configuration */ |
| debug("stage: Comphy configuration\n"); |
| /* Set PIPE soft reset */ |
| mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK; |
| data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET; |
| /* Set PHY datapath width mode for V0 */ |
| mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK; |
| data |= 0x0 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET; |
| /* Set Data bus width USB mode for V0 */ |
| mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK; |
| data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET; |
| /* Set CORE_CLK output frequency for 250Mhz */ |
| mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK; |
| data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask); |
| /* Set PLL ready delay for 0x2 */ |
| reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG, |
| 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET, |
| HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK); |
| /* Set reference clock to come from group 1 - 25Mhz */ |
| reg_set(hpipe_addr + HPIPE_MISC_REG, |
| 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET, |
| HPIPE_MISC_REFCLK_SEL_MASK); |
| /* Set reference frequcency select - 0x2 */ |
| mask = HPIPE_PWR_PLL_REF_FREQ_MASK; |
| data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; |
| /* Set PHY mode to USB - 0x5 */ |
| mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; |
| data |= 0x5 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; |
| reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); |
| /* Set the amount of time spent in the LoZ state - set for 0x7 */ |
| reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL, |
| 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET, |
| HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK); |
| /* Set max PHY generation setting - 5Gbps */ |
| reg_set(hpipe_addr + HPIPE_INTERFACE_REG, |
| 0x1 << HPIPE_INTERFACE_GEN_MAX_OFFSET, |
| HPIPE_INTERFACE_GEN_MAX_MASK); |
| /* Set select data width 20Bit (SEL_BITS[2:0]) */ |
| reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, |
| 0x1 << HPIPE_LOOPBACK_SEL_OFFSET, |
| HPIPE_LOOPBACK_SEL_MASK); |
| /* select de-emphasize 3.5db */ |
| reg_set(hpipe_addr + HPIPE_LANE_CONFIG0_REG, |
| 0x1 << HPIPE_LANE_CONFIG0_TXDEEMPH0_OFFSET, |
| HPIPE_LANE_CONFIG0_TXDEEMPH0_MASK); |
| /* override tx margining from the MAC */ |
| reg_set(hpipe_addr + HPIPE_TST_MODE_CTRL_REG, |
| 0x1 << HPIPE_TST_MODE_CTRL_MODE_MARGIN_OFFSET, |
| HPIPE_TST_MODE_CTRL_MODE_MARGIN_MASK); |
| |
| /* Start analog paramters from ETP(HW) */ |
| debug("stage: Analog paramters from ETP(HW)\n"); |
| /* Set Pin DFE_PAT_DIS -> Bit[1]: PIN_DFE_PAT_DIS = 0x0 */ |
| mask = HPIPE_LANE_CFG4_DFE_CTRL_MASK; |
| data = 0x1 << HPIPE_LANE_CFG4_DFE_CTRL_OFFSET; |
| /* Set Override PHY DFE control pins for 0x1 */ |
| mask |= HPIPE_LANE_CFG4_DFE_OVER_MASK; |
| data |= 0x1 << HPIPE_LANE_CFG4_DFE_OVER_OFFSET; |
| /* Set Spread Spectrum Clock Enable fot 0x1 */ |
| mask |= HPIPE_LANE_CFG4_SSC_CTRL_MASK; |
| data |= 0x1 << HPIPE_LANE_CFG4_SSC_CTRL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask); |
| /* End of analog parameters */ |
| |
| debug("stage: Comphy power up\n"); |
| /* Release from PIPE soft reset */ |
| reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, |
| 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET, |
| HPIPE_RST_CLK_CTRL_PIPE_RST_MASK); |
| |
| /* wait 15ms - for comphy calibration done */ |
| debug("stage: Check PLL\n"); |
| /* Read lane status */ |
| addr = hpipe_addr + HPIPE_LANE_STATUS1_REG; |
| data = HPIPE_LANE_STATUS1_PCLK_EN_MASK; |
| mask = data; |
| data = polling_with_timeout(addr, data, mask, 15000); |
| if (data != 0) { |
| debug("Read from reg = %p - value = 0x%x\n", |
| hpipe_addr + HPIPE_LANE_STATUS1_REG, data); |
| pr_err("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n"); |
| ret = 0; |
| } |
| |
| debug_exit(); |
| return ret; |
| } |
| |
| static int comphy_sata_power_up(u32 lane, void __iomem *hpipe_base, |
| void __iomem *comphy_base, int cp_index) |
| { |
| u32 mask, data, i, ret = 1; |
| void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane); |
| void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane); |
| void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane); |
| void __iomem *addr; |
| void __iomem *sata_base = NULL; |
| int sata_node = -1; /* Set to -1 in order to read the first sata node */ |
| |
| debug_enter(); |
| |
| /* |
| * Assumption - each CP has only one SATA controller |
| * Calling fdt_node_offset_by_compatible first time (with sata_node = -1 |
| * will return the first node always. |
| * In order to parse each CPs SATA node, fdt_node_offset_by_compatible |
| * must be called again (according to the CP id) |
| */ |
| for (i = 0; i < (cp_index + 1); i++) |
| sata_node = fdt_node_offset_by_compatible( |
| gd->fdt_blob, sata_node, "marvell,armada-8k-ahci"); |
| |
| if (sata_node == 0) { |
| pr_err("SATA node not found in FDT\n"); |
| return 0; |
| } |
| |
| sata_base = (void __iomem *)fdtdec_get_addr_size_auto_noparent( |
| gd->fdt_blob, sata_node, "reg", 0, NULL, true); |
| if (sata_base == NULL) { |
| pr_err("SATA address not found in FDT\n"); |
| return 0; |
| } |
| |
| debug("SATA address found in FDT %p\n", sata_base); |
| |
| debug("stage: MAC configuration - power down comphy\n"); |
| /* |
| * MAC configuration powe down comphy use indirect address for |
| * vendor spesific SATA control register |
| */ |
| reg_set(sata_base + SATA3_VENDOR_ADDRESS, |
| SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET, |
| SATA3_VENDOR_ADDR_MASK); |
| /* SATA 0 power down */ |
| mask = SATA3_CTRL_SATA0_PD_MASK; |
| data = 0x1 << SATA3_CTRL_SATA0_PD_OFFSET; |
| /* SATA 1 power down */ |
| mask |= SATA3_CTRL_SATA1_PD_MASK; |
| data |= 0x1 << SATA3_CTRL_SATA1_PD_OFFSET; |
| /* SATA SSU disable */ |
| mask |= SATA3_CTRL_SATA1_ENABLE_MASK; |
| data |= 0x0 << SATA3_CTRL_SATA1_ENABLE_OFFSET; |
| /* SATA port 1 disable */ |
| mask |= SATA3_CTRL_SATA_SSU_MASK; |
| data |= 0x0 << SATA3_CTRL_SATA_SSU_OFFSET; |
| reg_set(sata_base + SATA3_VENDOR_DATA, data, mask); |
| |
| debug("stage: RFU configurations - hard reset comphy\n"); |
| /* RFU configurations - hard reset comphy */ |
| mask = COMMON_PHY_CFG1_PWR_UP_MASK; |
| data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; |
| mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; |
| data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; |
| mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK; |
| data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; |
| mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; |
| data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; |
| reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| |
| /* Set select data width 40Bit - SATA mode only */ |
| reg_set(comphy_addr + COMMON_PHY_CFG6_REG, |
| 0x1 << COMMON_PHY_CFG6_IF_40_SEL_OFFSET, |
| COMMON_PHY_CFG6_IF_40_SEL_MASK); |
| |
| /* release from hard reset in SD external */ |
| mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; |
| data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; |
| data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| |
| /* Wait 1ms - until band gap and ref clock ready */ |
| mdelay(1); |
| |
| debug("stage: Comphy configuration\n"); |
| /* Start comphy Configuration */ |
| /* Set reference clock to comes from group 1 - choose 25Mhz */ |
| reg_set(hpipe_addr + HPIPE_MISC_REG, |
| 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET, |
| HPIPE_MISC_REFCLK_SEL_MASK); |
| /* Reference frequency select set 1 (for SATA = 25Mhz) */ |
| mask = HPIPE_PWR_PLL_REF_FREQ_MASK; |
| data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; |
| /* PHY mode select (set SATA = 0x0 */ |
| mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; |
| data |= 0x0 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; |
| reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); |
| /* Set max PHY generation setting - 6Gbps */ |
| reg_set(hpipe_addr + HPIPE_INTERFACE_REG, |
| 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET, |
| HPIPE_INTERFACE_GEN_MAX_MASK); |
| /* Set select data width 40Bit (SEL_BITS[2:0]) */ |
| reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, |
| 0x2 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK); |
| |
| debug("stage: Analog paramters from ETP(HW)\n"); |
| /* Set analog parameters from ETP(HW) */ |
| /* G1 settings */ |
| mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK; |
| data = 0x0 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET; |
| mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK; |
| data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET; |
| mask |= HPIPE_G1_SET_1_G1_RX_SELMUFI_MASK; |
| data |= 0x0 << HPIPE_G1_SET_1_G1_RX_SELMUFI_OFFSET; |
| mask |= HPIPE_G1_SET_1_G1_RX_SELMUFF_MASK; |
| data |= 0x3 << HPIPE_G1_SET_1_G1_RX_SELMUFF_OFFSET; |
| mask |= HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_MASK; |
| data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask); |
| |
| mask = HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_MASK; |
| data = 0xf << HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_OFFSET; |
| mask |= HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_MASK; |
| data |= 0x2 << HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_OFFSET; |
| mask |= HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_MASK; |
| data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET; |
| mask |= HPIPE_G1_SETTINGS_3_G1_FFE_DEG_RES_LEVEL_MASK; |
| data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_DEG_RES_LEVEL_OFFSET; |
| mask |= HPIPE_G1_SETTINGS_3_G1_FFE_LOAD_RES_LEVEL_MASK; |
| data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_LOAD_RES_LEVEL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask); |
| |
| /* G2 settings */ |
| mask = HPIPE_G2_SET_1_G2_RX_SELMUPI_MASK; |
| data = 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUPI_OFFSET; |
| mask |= HPIPE_G2_SET_1_G2_RX_SELMUPP_MASK; |
| data |= 0x1 << HPIPE_G2_SET_1_G2_RX_SELMUPP_OFFSET; |
| mask |= HPIPE_G2_SET_1_G2_RX_SELMUFI_MASK; |
| data |= 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUFI_OFFSET; |
| mask |= HPIPE_G2_SET_1_G2_RX_SELMUFF_MASK; |
| data |= 0x3 << HPIPE_G2_SET_1_G2_RX_SELMUFF_OFFSET; |
| mask |= HPIPE_G2_SET_1_G2_RX_DIGCK_DIV_MASK; |
| data |= 0x1 << HPIPE_G2_SET_1_G2_RX_DIGCK_DIV_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G2_SET_1_REG, data, mask); |
| |
| /* G3 settings */ |
| mask = HPIPE_G3_SET_1_G3_RX_SELMUPI_MASK; |
| data = 0x2 << HPIPE_G3_SET_1_G3_RX_SELMUPI_OFFSET; |
| mask |= HPIPE_G3_SET_1_G3_RX_SELMUPF_MASK; |
| data |= 0x2 << HPIPE_G3_SET_1_G3_RX_SELMUPF_OFFSET; |
| mask |= HPIPE_G3_SET_1_G3_RX_SELMUFI_MASK; |
| data |= 0x3 << HPIPE_G3_SET_1_G3_RX_SELMUFI_OFFSET; |
| mask |= HPIPE_G3_SET_1_G3_RX_SELMUFF_MASK; |
| data |= 0x3 << HPIPE_G3_SET_1_G3_RX_SELMUFF_OFFSET; |
| mask |= HPIPE_G3_SET_1_G3_RX_DFE_EN_MASK; |
| data |= 0x1 << HPIPE_G3_SET_1_G3_RX_DFE_EN_OFFSET; |
| mask |= HPIPE_G3_SET_1_G3_RX_DIGCK_DIV_MASK; |
| data |= 0x2 << HPIPE_G3_SET_1_G3_RX_DIGCK_DIV_OFFSET; |
| mask |= HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_MASK; |
| data |= 0x0 << HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G3_SET_1_REG, data, mask); |
| |
| /* DTL Control */ |
| mask = HPIPE_PWR_CTR_DTL_SQ_DET_EN_MASK; |
| data = 0x1 << HPIPE_PWR_CTR_DTL_SQ_DET_EN_OFFSET; |
| mask |= HPIPE_PWR_CTR_DTL_SQ_PLOOP_EN_MASK; |
| data |= 0x1 << HPIPE_PWR_CTR_DTL_SQ_PLOOP_EN_OFFSET; |
| mask |= HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK; |
| data |= 0x1 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET; |
| mask |= HPIPE_PWR_CTR_DTL_CLAMPING_SEL_MASK; |
| data |= 0x1 << HPIPE_PWR_CTR_DTL_CLAMPING_SEL_OFFSET; |
| mask |= HPIPE_PWR_CTR_DTL_INTPCLK_DIV_FORCE_MASK; |
| data |= 0x1 << HPIPE_PWR_CTR_DTL_INTPCLK_DIV_FORCE_OFFSET; |
| mask |= HPIPE_PWR_CTR_DTL_CLK_MODE_MASK; |
| data |= 0x1 << HPIPE_PWR_CTR_DTL_CLK_MODE_OFFSET; |
| mask |= HPIPE_PWR_CTR_DTL_CLK_MODE_FORCE_MASK; |
| data |= 0x1 << HPIPE_PWR_CTR_DTL_CLK_MODE_FORCE_OFFSET; |
| reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask); |
| |
| /* Trigger sampler enable pulse (by toggleing the bit) */ |
| mask = HPIPE_SMAPLER_MASK; |
| data = 0x1 << HPIPE_SMAPLER_OFFSET; |
| reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask); |
| mask = HPIPE_SMAPLER_MASK; |
| data = 0x0 << HPIPE_SMAPLER_OFFSET; |
| reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask); |
| |
| /* VDD Calibration Control 3 */ |
| mask = HPIPE_EXT_SELLV_RXSAMPL_MASK; |
| data = 0x10 << HPIPE_EXT_SELLV_RXSAMPL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask); |
| |
| /* DFE Resolution Control */ |
| mask = HPIPE_DFE_RES_FORCE_MASK; |
| data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET; |
| reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask); |
| |
| /* DFE F3-F5 Coefficient Control */ |
| mask = HPIPE_DFE_F3_F5_DFE_EN_MASK; |
| data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET; |
| mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK; |
| data = 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask); |
| |
| /* G3 Setting 3 */ |
| mask = HPIPE_G3_FFE_CAP_SEL_MASK; |
| data = 0xf << HPIPE_G3_FFE_CAP_SEL_OFFSET; |
| mask |= HPIPE_G3_FFE_RES_SEL_MASK; |
| data |= 0x4 << HPIPE_G3_FFE_RES_SEL_OFFSET; |
| mask |= HPIPE_G3_FFE_SETTING_FORCE_MASK; |
| data |= 0x1 << HPIPE_G3_FFE_SETTING_FORCE_OFFSET; |
| mask |= HPIPE_G3_FFE_DEG_RES_LEVEL_MASK; |
| data |= 0x1 << HPIPE_G3_FFE_DEG_RES_LEVEL_OFFSET; |
| mask |= HPIPE_G3_FFE_LOAD_RES_LEVEL_MASK; |
| data |= 0x3 << HPIPE_G3_FFE_LOAD_RES_LEVEL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G3_SETTING_3_REG, data, mask); |
| |
| /* G3 Setting 4 */ |
| mask = HPIPE_G3_DFE_RES_MASK; |
| data = 0x2 << HPIPE_G3_DFE_RES_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G3_SETTING_4_REG, data, mask); |
| |
| /* Offset Phase Control */ |
| mask = HPIPE_OS_PH_OFFSET_MASK; |
| data = 0x5c << HPIPE_OS_PH_OFFSET_OFFSET; |
| mask |= HPIPE_OS_PH_OFFSET_FORCE_MASK; |
| data |= 0x1 << HPIPE_OS_PH_OFFSET_FORCE_OFFSET; |
| reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask); |
| mask = HPIPE_OS_PH_VALID_MASK; |
| data = 0x1 << HPIPE_OS_PH_VALID_OFFSET; |
| reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask); |
| mask = HPIPE_OS_PH_VALID_MASK; |
| data = 0x0 << HPIPE_OS_PH_VALID_OFFSET; |
| reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask); |
| |
| /* Set G1 TX amplitude and TX post emphasis value */ |
| mask = HPIPE_G1_SET_0_G1_TX_AMP_MASK; |
| data = 0x8 << HPIPE_G1_SET_0_G1_TX_AMP_OFFSET; |
| mask |= HPIPE_G1_SET_0_G1_TX_AMP_ADJ_MASK; |
| data |= 0x1 << HPIPE_G1_SET_0_G1_TX_AMP_ADJ_OFFSET; |
| mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_MASK; |
| data |= 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET; |
| mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_EN_MASK; |
| data |= 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, data, mask); |
| |
| /* Set G2 TX amplitude and TX post emphasis value */ |
| mask = HPIPE_G2_SET_0_G2_TX_AMP_MASK; |
| data = 0xa << HPIPE_G2_SET_0_G2_TX_AMP_OFFSET; |
| mask |= HPIPE_G2_SET_0_G2_TX_AMP_ADJ_MASK; |
| data |= 0x1 << HPIPE_G2_SET_0_G2_TX_AMP_ADJ_OFFSET; |
| mask |= HPIPE_G2_SET_0_G2_TX_EMPH1_MASK; |
| data |= 0x2 << HPIPE_G2_SET_0_G2_TX_EMPH1_OFFSET; |
| mask |= HPIPE_G2_SET_0_G2_TX_EMPH1_EN_MASK; |
| data |= 0x1 << HPIPE_G2_SET_0_G2_TX_EMPH1_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G2_SET_0_REG, data, mask); |
| |
| /* Set G3 TX amplitude and TX post emphasis value */ |
| mask = HPIPE_G3_SET_0_G3_TX_AMP_MASK; |
| data = 0xe << HPIPE_G3_SET_0_G3_TX_AMP_OFFSET; |
| mask |= HPIPE_G3_SET_0_G3_TX_AMP_ADJ_MASK; |
| data |= 0x1 << HPIPE_G3_SET_0_G3_TX_AMP_ADJ_OFFSET; |
| mask |= HPIPE_G3_SET_0_G3_TX_EMPH1_MASK; |
| data |= 0x6 << HPIPE_G3_SET_0_G3_TX_EMPH1_OFFSET; |
| mask |= HPIPE_G3_SET_0_G3_TX_EMPH1_EN_MASK; |
| data |= 0x1 << HPIPE_G3_SET_0_G3_TX_EMPH1_EN_OFFSET; |
| mask |= HPIPE_G3_SET_0_G3_TX_SLEW_RATE_SEL_MASK; |
| data |= 0x4 << HPIPE_G3_SET_0_G3_TX_SLEW_RATE_SEL_OFFSET; |
| mask |= HPIPE_G3_SET_0_G3_TX_SLEW_CTRL_EN_MASK; |
| data |= 0x0 << HPIPE_G3_SET_0_G3_TX_SLEW_CTRL_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G3_SET_0_REG, data, mask); |
| |
| /* SERDES External Configuration 2 register */ |
| mask = SD_EXTERNAL_CONFIG2_SSC_ENABLE_MASK; |
| data = 0x1 << SD_EXTERNAL_CONFIG2_SSC_ENABLE_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, data, mask); |
| |
| /* DFE reset sequence */ |
| reg_set(hpipe_addr + HPIPE_PWR_CTR_REG, |
| 0x1 << HPIPE_PWR_CTR_RST_DFE_OFFSET, |
| HPIPE_PWR_CTR_RST_DFE_MASK); |
| reg_set(hpipe_addr + HPIPE_PWR_CTR_REG, |
| 0x0 << HPIPE_PWR_CTR_RST_DFE_OFFSET, |
| HPIPE_PWR_CTR_RST_DFE_MASK); |
| /* SW reset for interupt logic */ |
| reg_set(hpipe_addr + HPIPE_PWR_CTR_REG, |
| 0x1 << HPIPE_PWR_CTR_SFT_RST_OFFSET, |
| HPIPE_PWR_CTR_SFT_RST_MASK); |
| reg_set(hpipe_addr + HPIPE_PWR_CTR_REG, |
| 0x0 << HPIPE_PWR_CTR_SFT_RST_OFFSET, |
| HPIPE_PWR_CTR_SFT_RST_MASK); |
| |
| debug("stage: Comphy power up\n"); |
| /* |
| * MAC configuration power up comphy - power up PLL/TX/RX |
| * use indirect address for vendor spesific SATA control register |
| */ |
| reg_set(sata_base + SATA3_VENDOR_ADDRESS, |
| SATA_CONTROL_REG << SATA3_VENDOR_ADDR_OFSSET, |
| SATA3_VENDOR_ADDR_MASK); |
| /* SATA 0 power up */ |
| mask = SATA3_CTRL_SATA0_PD_MASK; |
| data = 0x0 << SATA3_CTRL_SATA0_PD_OFFSET; |
| /* SATA 1 power up */ |
| mask |= SATA3_CTRL_SATA1_PD_MASK; |
| data |= 0x0 << SATA3_CTRL_SATA1_PD_OFFSET; |
| /* SATA SSU enable */ |
| mask |= SATA3_CTRL_SATA1_ENABLE_MASK; |
| data |= 0x1 << SATA3_CTRL_SATA1_ENABLE_OFFSET; |
| /* SATA port 1 enable */ |
| mask |= SATA3_CTRL_SATA_SSU_MASK; |
| data |= 0x1 << SATA3_CTRL_SATA_SSU_OFFSET; |
| reg_set(sata_base + SATA3_VENDOR_DATA, data, mask); |
| |
| /* MBUS request size and interface select register */ |
| reg_set(sata_base + SATA3_VENDOR_ADDRESS, |
| SATA_MBUS_SIZE_SELECT_REG << SATA3_VENDOR_ADDR_OFSSET, |
| SATA3_VENDOR_ADDR_MASK); |
| /* Mbus regret enable */ |
| reg_set(sata_base + SATA3_VENDOR_DATA, |
| 0x1 << SATA_MBUS_REGRET_EN_OFFSET, SATA_MBUS_REGRET_EN_MASK); |
| |
| debug("stage: Check PLL\n"); |
| |
| addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; |
| data = SD_EXTERNAL_STATUS0_PLL_TX_MASK & |
| SD_EXTERNAL_STATUS0_PLL_RX_MASK; |
| mask = data; |
| data = polling_with_timeout(addr, data, mask, 15000); |
| if (data != 0) { |
| debug("Read from reg = %p - value = 0x%x\n", |
| hpipe_addr + HPIPE_LANE_STATUS1_REG, data); |
| pr_err("SD_EXTERNAL_STATUS0_PLL_TX is %d, SD_EXTERNAL_STATUS0_PLL_RX is %d\n", |
| (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK), |
| (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK)); |
| ret = 0; |
| } |
| |
| debug_exit(); |
| return ret; |
| } |
| |
| static int comphy_sgmii_power_up(u32 lane, u32 sgmii_speed, |
| void __iomem *hpipe_base, |
| void __iomem *comphy_base) |
| { |
| u32 mask, data, ret = 1; |
| void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane); |
| void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane); |
| void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane); |
| void __iomem *addr; |
| |
| debug_enter(); |
| debug("stage: RFU configurations - hard reset comphy\n"); |
| /* RFU configurations - hard reset comphy */ |
| mask = COMMON_PHY_CFG1_PWR_UP_MASK; |
| data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; |
| mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; |
| data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; |
| reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| |
| /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */ |
| mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; |
| data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK; |
| if (sgmii_speed == PHY_SPEED_1_25G) { |
| data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET; |
| data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET; |
| } else { |
| /* 3.125G */ |
| data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET; |
| data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET; |
| } |
| mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; |
| data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; |
| data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK; |
| data |= 1 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); |
| |
| /* release from hard reset */ |
| mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; |
| data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; |
| data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; |
| data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| |
| /* release from hard reset */ |
| mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; |
| data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; |
| data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| |
| |
| /* Wait 1ms - until band gap and ref clock ready */ |
| mdelay(1); |
| |
| /* Start comphy Configuration */ |
| debug("stage: Comphy configuration\n"); |
| /* set reference clock */ |
| mask = HPIPE_MISC_REFCLK_SEL_MASK; |
| data = 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask); |
| /* Power and PLL Control */ |
| mask = HPIPE_PWR_PLL_REF_FREQ_MASK; |
| data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; |
| mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; |
| data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; |
| reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); |
| /* Loopback register */ |
| mask = HPIPE_LOOPBACK_SEL_MASK; |
| data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask); |
| /* rx control 1 */ |
| mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK; |
| data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET; |
| mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK; |
| data |= 0x0 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask); |
| /* DTL Control */ |
| mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK; |
| data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask); |
| |
| /* Set analog paramters from ETP(HW) - for now use the default datas */ |
| debug("stage: Analog paramters from ETP(HW)\n"); |
| |
| reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, |
| 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET, |
| HPIPE_G1_SET_0_G1_TX_EMPH1_MASK); |
| |
| debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n"); |
| /* SERDES External Configuration */ |
| mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; |
| data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; |
| data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; |
| data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); |
| |
| /* check PLL rx & tx ready */ |
| addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; |
| data = SD_EXTERNAL_STATUS0_PLL_RX_MASK | |
| SD_EXTERNAL_STATUS0_PLL_TX_MASK; |
| mask = data; |
| data = polling_with_timeout(addr, data, mask, 15000); |
| if (data != 0) { |
| debug("Read from reg = %p - value = 0x%x\n", |
| sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data); |
| pr_err("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n", |
| (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK), |
| (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK)); |
| ret = 0; |
| } |
| |
| /* RX init */ |
| mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK; |
| data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| |
| /* check that RX init done */ |
| addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; |
| data = SD_EXTERNAL_STATUS0_RX_INIT_MASK; |
| mask = data; |
| data = polling_with_timeout(addr, data, mask, 100); |
| if (data != 0) { |
| debug("Read from reg = %p - value = 0x%x\n", sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data); |
| pr_err("SD_EXTERNAL_STATUS0_RX_INIT is 0\n"); |
| ret = 0; |
| } |
| |
| debug("stage: RF Reset\n"); |
| /* RF Reset */ |
| mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK; |
| data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; |
| data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| |
| debug_exit(); |
| return ret; |
| } |
| |
| static int comphy_sfi_power_up(u32 lane, void __iomem *hpipe_base, |
| void __iomem *comphy_base, u32 speed) |
| { |
| u32 mask, data, ret = 1; |
| void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane); |
| void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane); |
| void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane); |
| void __iomem *addr; |
| |
| debug_enter(); |
| debug("stage: RFU configurations - hard reset comphy\n"); |
| /* RFU configurations - hard reset comphy */ |
| mask = COMMON_PHY_CFG1_PWR_UP_MASK; |
| data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; |
| mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; |
| data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; |
| reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| |
| /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */ |
| mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; |
| data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK; |
| data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK; |
| data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; |
| data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; |
| data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK; |
| data |= 0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); |
| |
| /* release from hard reset */ |
| mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; |
| data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; |
| data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; |
| data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| |
| mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; |
| data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; |
| data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| |
| |
| /* Wait 1ms - until band gap and ref clock ready */ |
| mdelay(1); |
| |
| /* Start comphy Configuration */ |
| debug("stage: Comphy configuration\n"); |
| /* set reference clock */ |
| mask = HPIPE_MISC_ICP_FORCE_MASK; |
| data = (speed == PHY_SPEED_5_15625G) ? |
| (0x0 << HPIPE_MISC_ICP_FORCE_OFFSET) : |
| (0x1 << HPIPE_MISC_ICP_FORCE_OFFSET); |
| mask |= HPIPE_MISC_REFCLK_SEL_MASK; |
| data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask); |
| /* Power and PLL Control */ |
| mask = HPIPE_PWR_PLL_REF_FREQ_MASK; |
| data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; |
| mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; |
| data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; |
| reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); |
| /* Loopback register */ |
| mask = HPIPE_LOOPBACK_SEL_MASK; |
| data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask); |
| /* rx control 1 */ |
| mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK; |
| data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET; |
| mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK; |
| data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask); |
| /* DTL Control */ |
| mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK; |
| data = 0x1 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask); |
| |
| /* Transmitter/Receiver Speed Divider Force */ |
| if (speed == PHY_SPEED_5_15625G) { |
| mask = HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_MASK; |
| data = 1 << HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_OFFSET; |
| mask |= HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_FORCE_MASK; |
| data |= 1 << HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_FORCE_OFFSET; |
| mask |= HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_MASK; |
| data |= 1 << HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_OFFSET; |
| mask |= HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_FORCE_MASK; |
| data |= 1 << HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_FORCE_OFFSET; |
| } else { |
| mask = HPIPE_TXDIGCK_DIV_FORCE_MASK; |
| data = 0x1 << HPIPE_TXDIGCK_DIV_FORCE_OFFSET; |
| } |
| reg_set(hpipe_addr + HPIPE_SPD_DIV_FORCE_REG, data, mask); |
| |
| /* Set analog paramters from ETP(HW) */ |
| debug("stage: Analog paramters from ETP(HW)\n"); |
| /* SERDES External Configuration 2 */ |
| mask = SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK; |
| data = 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, data, mask); |
| /* 0x7-DFE Resolution control */ |
| mask = HPIPE_DFE_RES_FORCE_MASK; |
| data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET; |
| reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask); |
| /* 0xd-G1_Setting_0 */ |
| if (speed == PHY_SPEED_5_15625G) { |
| mask = HPIPE_G1_SET_0_G1_TX_EMPH1_MASK; |
| data = 0x6 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET; |
| } else { |
| mask = HPIPE_G1_SET_0_G1_TX_AMP_MASK; |
| data = 0x1c << HPIPE_G1_SET_0_G1_TX_AMP_OFFSET; |
| mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_MASK; |
| data |= 0xe << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET; |
| } |
| reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, data, mask); |
| /* Genration 1 setting 2 (G1_Setting_2) */ |
| mask = HPIPE_G1_SET_2_G1_TX_EMPH0_MASK; |
| data = 0x0 << HPIPE_G1_SET_2_G1_TX_EMPH0_OFFSET; |
| mask |= HPIPE_G1_SET_2_G1_TX_EMPH0_EN_MASK; |
| data |= 0x1 << HPIPE_G1_SET_2_G1_TX_EMPH0_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G1_SET_2_REG, data, mask); |
| /* Transmitter Slew Rate Control register (tx_reg1) */ |
| mask = HPIPE_TX_REG1_TX_EMPH_RES_MASK; |
| data = 0x3 << HPIPE_TX_REG1_TX_EMPH_RES_OFFSET; |
| mask |= HPIPE_TX_REG1_SLC_EN_MASK; |
| data |= 0x3f << HPIPE_TX_REG1_SLC_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_TX_REG1_REG, data, mask); |
| /* Impedance Calibration Control register (cal_reg1) */ |
| mask = HPIPE_CAL_REG_1_EXT_TXIMP_MASK; |
| data = 0xe << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET; |
| mask |= HPIPE_CAL_REG_1_EXT_TXIMP_EN_MASK; |
| data |= 0x1 << HPIPE_CAL_REG_1_EXT_TXIMP_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_CAL_REG1_REG, data, mask); |
| /* Generation 1 Setting 5 (g1_setting_5) */ |
| mask = HPIPE_G1_SETTING_5_G1_ICP_MASK; |
| data = 0 << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G1_SETTING_5_REG, data, mask); |
| /* 0xE-G1_Setting_1 */ |
| mask = HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK; |
| data = 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET; |
| if (speed == PHY_SPEED_5_15625G) { |
| mask |= HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK; |
| data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET; |
| mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK; |
| data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET; |
| } else { |
| mask |= HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK; |
| data |= 0x2 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET; |
| mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK; |
| data |= 0x2 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET; |
| mask |= HPIPE_G1_SET_1_G1_RX_SELMUFI_MASK; |
| data |= 0x0 << HPIPE_G1_SET_1_G1_RX_SELMUFI_OFFSET; |
| mask |= HPIPE_G1_SET_1_G1_RX_SELMUFF_MASK; |
| data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUFF_OFFSET; |
| mask |= HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_MASK; |
| data |= 0x3 << HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_OFFSET; |
| } |
| reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask); |
| |
| /* 0xA-DFE_Reg3 */ |
| mask = HPIPE_DFE_F3_F5_DFE_EN_MASK; |
| data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET; |
| mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK; |
| data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask); |
| |
| /* 0x111-G1_Setting_4 */ |
| mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK; |
| data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask); |
| /* Genration 1 setting 3 (G1_Setting_3) */ |
| mask = HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_MASK; |
| data = 0x1 << HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_OFFSET; |
| if (speed == PHY_SPEED_5_15625G) { |
| /* Force FFE (Feed Forward Equalization) to 5G */ |
| mask |= HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_MASK; |
| data |= 0xf << HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_OFFSET; |
| mask |= HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_MASK; |
| data |= 0x4 << HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_OFFSET; |
| mask |= HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_MASK; |
| data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET; |
| } |
| reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask); |
| |
| /* Connfigure RX training timer */ |
| mask = HPIPE_RX_TRAIN_TIMER_MASK; |
| data = 0x13 << HPIPE_RX_TRAIN_TIMER_OFFSET; |
| reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_5_REG, data, mask); |
| |
| /* Enable TX train peak to peak hold */ |
| mask = HPIPE_TX_TRAIN_P2P_HOLD_MASK; |
| data = 0x1 << HPIPE_TX_TRAIN_P2P_HOLD_OFFSET; |
| reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_0_REG, data, mask); |
| |
| /* Configure TX preset index */ |
| mask = HPIPE_TX_PRESET_INDEX_MASK; |
| data = 0x2 << HPIPE_TX_PRESET_INDEX_OFFSET; |
| reg_set(hpipe_addr + HPIPE_TX_PRESET_INDEX_REG, data, mask); |
| |
| /* Disable pattern lock lost timeout */ |
| mask = HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_MASK; |
| data = 0x0 << HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_3_REG, data, mask); |
| |
| /* Configure TX training pattern and TX training 16bit auto */ |
| mask = HPIPE_TX_TRAIN_16BIT_AUTO_EN_MASK; |
| data = 0x1 << HPIPE_TX_TRAIN_16BIT_AUTO_EN_OFFSET; |
| mask |= HPIPE_TX_TRAIN_PAT_SEL_MASK; |
| data |= 0x1 << HPIPE_TX_TRAIN_PAT_SEL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_TX_TRAIN_REG, data, mask); |
| |
| /* Configure Training patten number */ |
| mask = HPIPE_TRAIN_PAT_NUM_MASK; |
| data = 0x88 << HPIPE_TRAIN_PAT_NUM_OFFSET; |
| reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_0_REG, data, mask); |
| |
| /* Configure differencial manchester encoter to ethernet mode */ |
| mask = HPIPE_DME_ETHERNET_MODE_MASK; |
| data = 0x1 << HPIPE_DME_ETHERNET_MODE_OFFSET; |
| reg_set(hpipe_addr + HPIPE_DME_REG, data, mask); |
| |
| /* Configure VDD Continuous Calibration */ |
| mask = HPIPE_CAL_VDD_CONT_MODE_MASK; |
| data = 0x1 << HPIPE_CAL_VDD_CONT_MODE_OFFSET; |
| reg_set(hpipe_addr + HPIPE_VDD_CAL_0_REG, data, mask); |
| |
| /* Trigger sampler enable pulse (by toggleing the bit) */ |
| mask = HPIPE_RX_SAMPLER_OS_GAIN_MASK; |
| data = 0x3 << HPIPE_RX_SAMPLER_OS_GAIN_OFFSET; |
| mask |= HPIPE_SMAPLER_MASK; |
| data |= 0x1 << HPIPE_SMAPLER_OFFSET; |
| reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask); |
| mask = HPIPE_SMAPLER_MASK; |
| data = 0x0 << HPIPE_SMAPLER_OFFSET; |
| reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask); |
| |
| /* Set External RX Regulator Control */ |
| mask = HPIPE_EXT_SELLV_RXSAMPL_MASK; |
| data = 0x1A << HPIPE_EXT_SELLV_RXSAMPL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask); |
| |
| debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n"); |
| /* SERDES External Configuration */ |
| mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; |
| data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; |
| data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; |
| data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); |
| |
| |
| /* check PLL rx & tx ready */ |
| addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; |
| data = SD_EXTERNAL_STATUS0_PLL_RX_MASK | |
| SD_EXTERNAL_STATUS0_PLL_TX_MASK; |
| mask = data; |
| data = polling_with_timeout(addr, data, mask, 15000); |
| if (data != 0) { |
| debug("Read from reg = %p - value = 0x%x\n", sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data); |
| pr_err("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n", |
| (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK), |
| (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK)); |
| ret = 0; |
| } |
| |
| /* RX init */ |
| mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK; |
| data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| |
| |
| /* check that RX init done */ |
| addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; |
| data = SD_EXTERNAL_STATUS0_RX_INIT_MASK; |
| mask = data; |
| data = polling_with_timeout(addr, data, mask, 100); |
| if (data != 0) { |
| debug("Read from reg = %p - value = 0x%x\n", |
| sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data); |
| pr_err("SD_EXTERNAL_STATUS0_RX_INIT is 0\n"); |
| ret = 0; |
| } |
| |
| debug("stage: RF Reset\n"); |
| /* RF Reset */ |
| mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK; |
| data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; |
| data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| |
| debug_exit(); |
| return ret; |
| } |
| |
| static int comphy_rxauii_power_up(u32 lane, void __iomem *hpipe_base, |
| void __iomem *comphy_base) |
| { |
| u32 mask, data, ret = 1; |
| void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane); |
| void __iomem *sd_ip_addr = SD_ADDR(hpipe_base, lane); |
| void __iomem *comphy_addr = COMPHY_ADDR(comphy_base, lane); |
| void __iomem *addr; |
| |
| debug_enter(); |
| debug("stage: RFU configurations - hard reset comphy\n"); |
| /* RFU configurations - hard reset comphy */ |
| mask = COMMON_PHY_CFG1_PWR_UP_MASK; |
| data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; |
| mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; |
| data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; |
| reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); |
| |
| if (lane == 2) { |
| reg_set(comphy_base + COMMON_PHY_SD_CTRL1, |
| 0x1 << COMMON_PHY_SD_CTRL1_RXAUI0_OFFSET, |
| COMMON_PHY_SD_CTRL1_RXAUI0_MASK); |
| } |
| if (lane == 4) { |
| reg_set(comphy_base + COMMON_PHY_SD_CTRL1, |
| 0x1 << COMMON_PHY_SD_CTRL1_RXAUI1_OFFSET, |
| COMMON_PHY_SD_CTRL1_RXAUI1_MASK); |
| } |
| |
| /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */ |
| mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; |
| data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK; |
| data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK; |
| data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; |
| data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; |
| data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK; |
| data |= 0x0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_MEDIA_MODE_MASK; |
| data |= 0x1 << SD_EXTERNAL_CONFIG0_MEDIA_MODE_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); |
| |
| /* release from hard reset */ |
| mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; |
| data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; |
| data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; |
| data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| |
| mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; |
| data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; |
| data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| |
| /* Wait 1ms - until band gap and ref clock ready */ |
| mdelay(1); |
| |
| /* Start comphy Configuration */ |
| debug("stage: Comphy configuration\n"); |
| /* set reference clock */ |
| reg_set(hpipe_addr + HPIPE_MISC_REG, |
| 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET, |
| HPIPE_MISC_REFCLK_SEL_MASK); |
| /* Power and PLL Control */ |
| mask = HPIPE_PWR_PLL_REF_FREQ_MASK; |
| data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; |
| mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; |
| data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; |
| reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); |
| /* Loopback register */ |
| reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, |
| 0x1 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK); |
| /* rx control 1 */ |
| mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK; |
| data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET; |
| mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK; |
| data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask); |
| /* DTL Control */ |
| reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, |
| 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET, |
| HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK); |
| |
| /* Set analog paramters from ETP(HW) */ |
| debug("stage: Analog paramters from ETP(HW)\n"); |
| /* SERDES External Configuration 2 */ |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, |
| 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET, |
| SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK); |
| /* 0x7-DFE Resolution control */ |
| reg_set(hpipe_addr + HPIPE_DFE_REG0, 0x1 << HPIPE_DFE_RES_FORCE_OFFSET, |
| HPIPE_DFE_RES_FORCE_MASK); |
| /* 0xd-G1_Setting_0 */ |
| reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, |
| 0xd << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET, |
| HPIPE_G1_SET_0_G1_TX_EMPH1_MASK); |
| /* 0xE-G1_Setting_1 */ |
| mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK; |
| data = 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET; |
| mask |= HPIPE_G1_SET_1_G1_RX_SELMUPP_MASK; |
| data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPP_OFFSET; |
| mask |= HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK; |
| data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask); |
| /* 0xA-DFE_Reg3 */ |
| mask = HPIPE_DFE_F3_F5_DFE_EN_MASK; |
| data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET; |
| mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK; |
| data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET; |
| reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask); |
| |
| /* 0x111-G1_Setting_4 */ |
| mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK; |
| data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET; |
| reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask); |
| |
| debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n"); |
| /* SERDES External Configuration */ |
| mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; |
| data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; |
| data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; |
| data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); |
| |
| |
| /* check PLL rx & tx ready */ |
| addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; |
| data = SD_EXTERNAL_STATUS0_PLL_RX_MASK | |
| SD_EXTERNAL_STATUS0_PLL_TX_MASK; |
| mask = data; |
| data = polling_with_timeout(addr, data, mask, 15000); |
| if (data != 0) { |
| debug("Read from reg = %p - value = 0x%x\n", |
| sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data); |
| pr_err("SD_EXTERNAL_STATUS0_PLL_RX is %d, SD_EXTERNAL_STATUS0_PLL_TX is %d\n", |
| (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK), |
| (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK)); |
| ret = 0; |
| } |
| |
| /* RX init */ |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, |
| 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET, |
| SD_EXTERNAL_CONFIG1_RX_INIT_MASK); |
| |
| /* check that RX init done */ |
| addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; |
| data = SD_EXTERNAL_STATUS0_RX_INIT_MASK; |
| mask = data; |
| data = polling_with_timeout(addr, data, mask, 100); |
| if (data != 0) { |
| debug("Read from reg = %p - value = 0x%x\n", |
| sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data); |
| pr_err("SD_EXTERNAL_STATUS0_RX_INIT is 0\n"); |
| ret = 0; |
| } |
| |
| debug("stage: RF Reset\n"); |
| /* RF Reset */ |
| mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK; |
| data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET; |
| mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; |
| data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; |
| reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); |
| |
| debug_exit(); |
| return ret; |
| } |
| |
| static void comphy_utmi_power_down(u32 utmi_index, void __iomem *utmi_base_addr, |
| void __iomem *usb_cfg_addr, |
| void __iomem *utmi_cfg_addr, |
| u32 utmi_phy_port) |
| { |
| u32 mask, data; |
| |
| debug_enter(); |
| debug("stage: UTMI %d - Power down transceiver (power down Phy), Power down PLL, and SuspendDM\n", |
| utmi_index); |
| /* Power down UTMI PHY */ |
| reg_set(utmi_cfg_addr, 0x0 << UTMI_PHY_CFG_PU_OFFSET, |
| UTMI_PHY_CFG_PU_MASK); |
| |
| /* |
| * If UTMI connected to USB Device, configure mux prior to PHY init |
| * (Device can be connected to UTMI0 or to UTMI1) |
| */ |
| if (utmi_phy_port == UTMI_PHY_TO_USB3_DEVICE0) { |
| debug("stage: UTMI %d - Enable Device mode and configure UTMI mux\n", |
| utmi_index); |
| /* USB3 Device UTMI enable */ |
| mask = UTMI_USB_CFG_DEVICE_EN_MASK; |
| data = 0x1 << UTMI_USB_CFG_DEVICE_EN_OFFSET; |
| /* USB3 Device UTMI MUX */ |
| mask |= UTMI_USB_CFG_DEVICE_MUX_MASK; |
| data |= utmi_index << UTMI_USB_CFG_DEVICE_MUX_OFFSET; |
| reg_set(usb_cfg_addr, data, mask); |
| } |
| |
| /* Set Test suspendm mode */ |
| mask = UTMI_CTRL_STATUS0_SUSPENDM_MASK; |
| data = 0x1 << UTMI_CTRL_STATUS0_SUSPENDM_OFFSET; |
| /* Enable Test UTMI select */ |
| mask |= UTMI_CTRL_STATUS0_TEST_SEL_MASK; |
| data |= 0x1 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET; |
| reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG, data, mask); |
| |
| /* Wait for UTMI power down */ |
| mdelay(1); |
| |
| debug_exit(); |
| return; |
| } |
| |
| static void comphy_utmi_phy_config(u32 utmi_index, void __iomem *utmi_base_addr, |
| void __iomem *usb_cfg_addr, |
| void __iomem *utmi_cfg_addr, |
| u32 utmi_phy_port) |
| { |
| u32 mask, data; |
| |
| debug_exit(); |
| debug("stage: Configure UTMI PHY %d registers\n", utmi_index); |
| /* Reference Clock Divider Select */ |
| mask = UTMI_PLL_CTRL_REFDIV_MASK; |
| data = 0x5 << UTMI_PLL_CTRL_REFDIV_OFFSET; |
| /* Feedback Clock Divider Select - 90 for 25Mhz*/ |
| mask |= UTMI_PLL_CTRL_FBDIV_MASK; |
| data |= 0x60 << UTMI_PLL_CTRL_FBDIV_OFFSET; |
| /* Select LPFR - 0x0 for 25Mhz/5=5Mhz*/ |
| mask |= UTMI_PLL_CTRL_SEL_LPFR_MASK; |
| data |= 0x0 << UTMI_PLL_CTRL_SEL_LPFR_OFFSET; |
| reg_set(utmi_base_addr + UTMI_PLL_CTRL_REG, data, mask); |
| |
| /* Impedance Calibration Threshold Setting */ |
| reg_set(utmi_base_addr + UTMI_CALIB_CTRL_REG, |
| 0x6 << UTMI_CALIB_CTRL_IMPCAL_VTH_OFFSET, |
| UTMI_CALIB_CTRL_IMPCAL_VTH_MASK); |
| |
| /* Set LS TX driver strength coarse control */ |
| mask = UTMI_TX_CH_CTRL_DRV_EN_LS_MASK; |
| data = 0x3 << UTMI_TX_CH_CTRL_DRV_EN_LS_OFFSET; |
| /* Set LS TX driver fine adjustment */ |
| mask |= UTMI_TX_CH_CTRL_IMP_SEL_LS_MASK; |
| data |= 0x3 << UTMI_TX_CH_CTRL_IMP_SEL_LS_OFFSET; |
| reg_set(utmi_base_addr + UTMI_TX_CH_CTRL_REG, data, mask); |
| |
| /* Enable SQ */ |
| mask = UTMI_RX_CH_CTRL0_SQ_DET_MASK; |
| data = 0x0 << UTMI_RX_CH_CTRL0_SQ_DET_OFFSET; |
| /* Enable analog squelch detect */ |
| mask |= UTMI_RX_CH_CTRL0_SQ_ANA_DTC_MASK; |
| data |= 0x1 << UTMI_RX_CH_CTRL0_SQ_ANA_DTC_OFFSET; |
| reg_set(utmi_base_addr + UTMI_RX_CH_CTRL0_REG, data, mask); |
| |
| /* Set External squelch calibration number */ |
| mask = UTMI_RX_CH_CTRL1_SQ_AMP_CAL_MASK; |
| data = 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_OFFSET; |
| /* Enable the External squelch calibration */ |
| mask |= UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_MASK; |
| data |= 0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_OFFSET; |
| reg_set(utmi_base_addr + UTMI_RX_CH_CTRL1_REG, data, mask); |
| |
| /* Set Control VDAT Reference Voltage - 0.325V */ |
| mask = UTMI_CHGDTC_CTRL_VDAT_MASK; |
| data = 0x1 << UTMI_CHGDTC_CTRL_VDAT_OFFSET; |
| /* Set Control VSRC Reference Voltage - 0.6V */ |
| mask |= UTMI_CHGDTC_CTRL_VSRC_MASK; |
| data |= 0x1 << UTMI_CHGDTC_CTRL_VSRC_OFFSET; |
| reg_set(utmi_base_addr + UTMI_CHGDTC_CTRL_REG, data, mask); |
| |
| debug_exit(); |
| return; |
| } |
| |
| static int comphy_utmi_power_up(u32 utmi_index, void __iomem *utmi_base_addr, |
| void __iomem *usb_cfg_addr, |
| void __iomem *utmi_cfg_addr, u32 utmi_phy_port) |
| { |
| u32 data, mask, ret = 1; |
| void __iomem *addr; |
| |
| debug_enter(); |
| debug("stage: UTMI %d - Power up transceiver(Power up Phy), and exit SuspendDM\n", |
| utmi_index); |
| /* Power UP UTMI PHY */ |
| reg_set(utmi_cfg_addr, 0x1 << UTMI_PHY_CFG_PU_OFFSET, |
| UTMI_PHY_CFG_PU_MASK); |
| /* Disable Test UTMI select */ |
| reg_set(utmi_base_addr + UTMI_CTRL_STATUS0_REG, |
| 0x0 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET, |
| UTMI_CTRL_STATUS0_TEST_SEL_MASK); |
| |
| debug("stage: Polling for PLL and impedance calibration done, and PLL ready done\n"); |
| addr = utmi_base_addr + UTMI_CALIB_CTRL_REG; |
| data = UTMI_CALIB_CTRL_IMPCAL_DONE_MASK; |
| mask = data; |
| data = polling_with_timeout(addr, data, mask, 100); |
| if (data != 0) { |
| pr_err("Impedance calibration is not done\n"); |
| debug("Read from reg = %p - value = 0x%x\n", addr, data); |
| ret = 0; |
| } |
| |
| data = UTMI_CALIB_CTRL_PLLCAL_DONE_MASK; |
| mask = data; |
| data = polling_with_timeout(addr, data, mask, 100); |
| if (data != 0) { |
| pr_err("PLL calibration is not done\n"); |
| debug("Read from reg = %p - value = 0x%x\n", addr, data); |
| ret = 0; |
| } |
| |
| addr = utmi_base_addr + UTMI_PLL_CTRL_REG; |
| data = UTMI_PLL_CTRL_PLL_RDY_MASK; |
| mask = data; |
| data = polling_with_timeout(addr, data, mask, 100); |
| if (data != 0) { |
| pr_err("PLL is not ready\n"); |
| debug("Read from reg = %p - value = 0x%x\n", addr, data); |
| ret = 0; |
| } |
| |
| if (ret) |
| debug("Passed\n"); |
| else |
| debug("\n"); |
| |
| debug_exit(); |
| return ret; |
| } |
| |
| /* |
| * comphy_utmi_phy_init initialize the UTMI PHY |
| * the init split in 3 parts: |
| * 1. Power down transceiver and PLL |
| * 2. UTMI PHY configure |
| * 3. Powe up transceiver and PLL |
| * Note: - Power down/up should be once for both UTMI PHYs |
| * - comphy_dedicated_phys_init call this function if at least there is |
| * one UTMI PHY exists in FDT blob. access to cp110_utmi_data[0] is |
| * legal |
| */ |
| static void comphy_utmi_phy_init(u32 utmi_phy_count, |
| struct utmi_phy_data *cp110_utmi_data) |
| { |
| u32 i; |
| |
| debug_enter(); |
| /* UTMI Power down */ |
| for (i = 0; i < utmi_phy_count; i++) { |
| comphy_utmi_power_down(i, cp110_utmi_data[i].utmi_base_addr, |
| cp110_utmi_data[i].usb_cfg_addr, |
| cp110_utmi_data[i].utmi_cfg_addr, |
| cp110_utmi_data[i].utmi_phy_port); |
| } |
| /* PLL Power down */ |
| debug("stage: UTMI PHY power down PLL\n"); |
| for (i = 0; i < utmi_phy_count; i++) { |
| reg_set(cp110_utmi_data[i].usb_cfg_addr, |
| 0x0 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK); |
| } |
| /* UTMI configure */ |
| for (i = 0; i < utmi_phy_count; i++) { |
| comphy_utmi_phy_config(i, cp110_utmi_data[i].utmi_base_addr, |
| cp110_utmi_data[i].usb_cfg_addr, |
| cp110_utmi_data[i].utmi_cfg_addr, |
| cp110_utmi_data[i].utmi_phy_port); |
| } |
| /* UTMI Power up */ |
| for (i = 0; i < utmi_phy_count; i++) { |
| if (!comphy_utmi_power_up(i, cp110_utmi_data[i].utmi_base_addr, |
| cp110_utmi_data[i].usb_cfg_addr, |
| cp110_utmi_data[i].utmi_cfg_addr, |
| cp110_utmi_data[i].utmi_phy_port)) { |
| pr_err("Failed to initialize UTMI PHY %d\n", i); |
| continue; |
| } |
| printf("UTMI PHY %d initialized to ", i); |
| if (cp110_utmi_data[i].utmi_phy_port == |
| UTMI_PHY_TO_USB3_DEVICE0) |
| printf("USB Device\n"); |
| else |
| printf("USB Host%d\n", |
| cp110_utmi_data[i].utmi_phy_port); |
| } |
| /* PLL Power up */ |
| debug("stage: UTMI PHY power up PLL\n"); |
| for (i = 0; i < utmi_phy_count; i++) { |
| reg_set(cp110_utmi_data[i].usb_cfg_addr, |
| 0x1 << UTMI_USB_CFG_PLL_OFFSET, UTMI_USB_CFG_PLL_MASK); |
| } |
| |
| debug_exit(); |
| return; |
| } |
| |
| /* |
| * comphy_dedicated_phys_init initialize the dedicated PHYs |
| * - not muxed SerDes lanes e.g. UTMI PHY |
| */ |
| void comphy_dedicated_phys_init(void) |
| { |
| struct utmi_phy_data cp110_utmi_data[MAX_UTMI_PHY_COUNT]; |
| int node; |
| int i; |
| |
| debug_enter(); |
| debug("Initialize USB UTMI PHYs\n"); |
| |
| /* Find the UTMI phy node in device tree and go over them */ |
| node = fdt_node_offset_by_compatible(gd->fdt_blob, -1, |
| "marvell,mvebu-utmi-2.6.0"); |
| |
| i = 0; |
| while (node > 0) { |
| /* get base address of UTMI phy */ |
| cp110_utmi_data[i].utmi_base_addr = |
| (void __iomem *)fdtdec_get_addr_size_auto_noparent( |
| gd->fdt_blob, node, "reg", 0, NULL, true); |
| if (cp110_utmi_data[i].utmi_base_addr == NULL) { |
| pr_err("UTMI PHY base address is invalid\n"); |
| i++; |
| continue; |
| } |
| |
| /* get usb config address */ |
| cp110_utmi_data[i].usb_cfg_addr = |
| (void __iomem *)fdtdec_get_addr_size_auto_noparent( |
| gd->fdt_blob, node, "reg", 1, NULL, true); |
| if (cp110_utmi_data[i].usb_cfg_addr == NULL) { |
| pr_err("UTMI PHY base address is invalid\n"); |
| i++; |
| continue; |
| } |
| |
| /* get UTMI config address */ |
| cp110_utmi_data[i].utmi_cfg_addr = |
| (void __iomem *)fdtdec_get_addr_size_auto_noparent( |
| gd->fdt_blob, node, "reg", 2, NULL, true); |
| if (cp110_utmi_data[i].utmi_cfg_addr == NULL) { |
| pr_err("UTMI PHY base address is invalid\n"); |
| i++; |
| continue; |
| } |
| |
| /* |
| * get the port number (to check if the utmi connected to |
| * host/device) |
| */ |
| cp110_utmi_data[i].utmi_phy_port = fdtdec_get_int( |
| gd->fdt_blob, node, "utmi-port", UTMI_PHY_INVALID); |
| if (cp110_utmi_data[i].utmi_phy_port == UTMI_PHY_INVALID) { |
| pr_err("UTMI PHY port type is invalid\n"); |
| i++; |
| continue; |
| } |
| |
| node = fdt_node_offset_by_compatible( |
| gd->fdt_blob, node, "marvell,mvebu-utmi-2.6.0"); |
| i++; |
| } |
| |
| if (i > 0) |
| comphy_utmi_phy_init(i, cp110_utmi_data); |
| |
| debug_exit(); |
| } |
| |
| static void comphy_mux_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg, |
| struct comphy_map *serdes_map) |
| { |
| void __iomem *comphy_base_addr; |
| struct comphy_map comphy_map_pipe_data[MAX_LANE_OPTIONS]; |
| struct comphy_map comphy_map_phy_data[MAX_LANE_OPTIONS]; |
| u32 lane, comphy_max_count; |
| |
| comphy_max_count = ptr_chip_cfg->comphy_lanes_count; |
| comphy_base_addr = ptr_chip_cfg->comphy_base_addr; |
| |
| /* |
| * Copy the SerDes map configuration for PIPE map and PHY map |
| * the comphy_mux_init modify the type of the lane if the type |
| * is not valid because we have 2 selectores run the |
| * comphy_mux_init twice and after that update the original |
| * serdes_map |
| */ |
| for (lane = 0; lane < comphy_max_count; lane++) { |
| comphy_map_pipe_data[lane].type = serdes_map[lane].type; |
| comphy_map_pipe_data[lane].speed = serdes_map[lane].speed; |
| comphy_map_phy_data[lane].type = serdes_map[lane].type; |
| comphy_map_phy_data[lane].speed = serdes_map[lane].speed; |
| } |
| ptr_chip_cfg->mux_data = cp110_comphy_phy_mux_data; |
| comphy_mux_init(ptr_chip_cfg, comphy_map_phy_data, |
| comphy_base_addr + COMMON_SELECTOR_PHY_OFFSET); |
| |
| ptr_chip_cfg->mux_data = cp110_comphy_pipe_mux_data; |
| comphy_mux_init(ptr_chip_cfg, comphy_map_pipe_data, |
| comphy_base_addr + COMMON_SELECTOR_PIPE_OFFSET); |
| /* Fix the type after check the PHY and PIPE configuration */ |
| for (lane = 0; lane < comphy_max_count; lane++) { |
| if ((comphy_map_pipe_data[lane].type == PHY_TYPE_UNCONNECTED) && |
| (comphy_map_phy_data[lane].type == PHY_TYPE_UNCONNECTED)) |
| serdes_map[lane].type = PHY_TYPE_UNCONNECTED; |
| } |
| } |
| |
| int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg, |
| struct comphy_map *serdes_map) |
| { |
| struct comphy_map *ptr_comphy_map; |
| void __iomem *comphy_base_addr, *hpipe_base_addr; |
| u32 comphy_max_count, lane, ret = 0; |
| u32 pcie_width = 0; |
| |
| debug_enter(); |
| |
| comphy_max_count = ptr_chip_cfg->comphy_lanes_count; |
| comphy_base_addr = ptr_chip_cfg->comphy_base_addr; |
| hpipe_base_addr = ptr_chip_cfg->hpipe3_base_addr; |
| |
| /* Config Comphy mux configuration */ |
| comphy_mux_cp110_init(ptr_chip_cfg, serdes_map); |
| |
| /* Check if the first 4 lanes configured as By-4 */ |
| for (lane = 0, ptr_comphy_map = serdes_map; lane < 4; |
| lane++, ptr_comphy_map++) { |
| if (ptr_comphy_map->type != PHY_TYPE_PEX0) |
| break; |
| pcie_width++; |
| } |
| |
| for (lane = 0, ptr_comphy_map = serdes_map; lane < comphy_max_count; |
| lane++, ptr_comphy_map++) { |
| debug("Initialize serdes number %d\n", lane); |
| debug("Serdes type = 0x%x\n", ptr_comphy_map->type); |
| if (lane == 4) { |
| /* |
| * PCIe lanes above the first 4 lanes, can be only |
| * by1 |
| */ |
| pcie_width = 1; |
| } |
| switch (ptr_comphy_map->type) { |
| case PHY_TYPE_UNCONNECTED: |
| case PHY_TYPE_IGNORE: |
| continue; |
| break; |
| case PHY_TYPE_PEX0: |
| case PHY_TYPE_PEX1: |
| case PHY_TYPE_PEX2: |
| case PHY_TYPE_PEX3: |
| ret = comphy_pcie_power_up( |
| lane, pcie_width, ptr_comphy_map->clk_src, |
| serdes_map->end_point, |
| hpipe_base_addr, comphy_base_addr); |
| break; |
| case PHY_TYPE_SATA0: |
| case PHY_TYPE_SATA1: |
| case PHY_TYPE_SATA2: |
| case PHY_TYPE_SATA3: |
| ret = comphy_sata_power_up( |
| lane, hpipe_base_addr, comphy_base_addr, |
| ptr_chip_cfg->cp_index); |
| break; |
| case PHY_TYPE_USB3_HOST0: |
| case PHY_TYPE_USB3_HOST1: |
| case PHY_TYPE_USB3_DEVICE: |
| ret = comphy_usb3_power_up(lane, hpipe_base_addr, |
| comphy_base_addr); |
| break; |
| case PHY_TYPE_SGMII0: |
| case PHY_TYPE_SGMII1: |
| case PHY_TYPE_SGMII2: |
| case PHY_TYPE_SGMII3: |
| if (ptr_comphy_map->speed == PHY_SPEED_INVALID) { |
| debug("Warning: SGMII PHY speed in lane %d is invalid, set PHY speed to 1.25G\n", |
| lane); |
| ptr_comphy_map->speed = PHY_SPEED_1_25G; |
| } |
| ret = comphy_sgmii_power_up( |
| lane, ptr_comphy_map->speed, hpipe_base_addr, |
| comphy_base_addr); |
| break; |
| case PHY_TYPE_SFI: |
| ret = comphy_sfi_power_up(lane, hpipe_base_addr, |
| comphy_base_addr, |
| ptr_comphy_map->speed); |
| break; |
| case PHY_TYPE_RXAUI0: |
| case PHY_TYPE_RXAUI1: |
| ret = comphy_rxauii_power_up(lane, hpipe_base_addr, |
| comphy_base_addr); |
| break; |
| default: |
| debug("Unknown SerDes type, skip initialize SerDes %d\n", |
| lane); |
| break; |
| } |
| if (ret == 0) { |
| /* |
| * If interface wans't initialized, set the lane to |
| * PHY_TYPE_UNCONNECTED state. |
| */ |
| ptr_comphy_map->type = PHY_TYPE_UNCONNECTED; |
| pr_err("PLL is not locked - Failed to initialize lane %d\n", |
| lane); |
| } |
| } |
| |
| debug_exit(); |
| return 0; |
| } |