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- // 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;
- }
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