// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2015-2016 Marvell International Ltd. */ #include #include #include #include #include #include #include #include #include #include "comphy_core.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) /* Firmware related definitions used for SMC calls */ #define MV_SIP_COMPHY_POWER_ON 0x82000001 #define MV_SIP_COMPHY_POWER_OFF 0x82000002 #define MV_SIP_COMPHY_PLL_LOCK 0x82000003 /* Used to distinguish between different possible callers (U-boot/Linux) */ #define COMPHY_CALLER_UBOOT (0x1 << 21) #define COMPHY_FW_MODE_FORMAT(mode) ((mode) << 12) #define COMPHY_FW_FORMAT(mode, idx, speeds) \ (((mode) << 12) | ((idx) << 8) | ((speeds) << 2)) #define COMPHY_FW_PCIE_FORMAT(pcie_width, clk_src, mode, speeds) \ (COMPHY_CALLER_UBOOT | ((pcie_width) << 18) | \ ((clk_src) << 17) | COMPHY_FW_FORMAT(mode, 0, speeds)) #define COMPHY_SATA_MODE 0x1 #define COMPHY_SGMII_MODE 0x2 /* SGMII 1G */ #define COMPHY_HS_SGMII_MODE 0x3 /* SGMII 2.5G */ #define COMPHY_USB3H_MODE 0x4 #define COMPHY_USB3D_MODE 0x5 #define COMPHY_PCIE_MODE 0x6 #define COMPHY_RXAUI_MODE 0x7 #define COMPHY_XFI_MODE 0x8 #define COMPHY_SFI_MODE 0x9 #define COMPHY_USB3_MODE 0xa #define COMPHY_AP_MODE 0xb /* Comphy unit index macro */ #define COMPHY_UNIT_ID0 0 #define COMPHY_UNIT_ID1 1 #define COMPHY_UNIT_ID2 2 #define COMPHY_UNIT_ID3 3 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_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_smc(u32 function_id, void __iomem *comphy_base_addr, u32 lane, u32 mode) { struct pt_regs pregs = {0}; pregs.regs[0] = function_id; pregs.regs[1] = (unsigned long)comphy_base_addr; pregs.regs[2] = lane; pregs.regs[3] = mode; smc_call(&pregs); /* * TODO: Firmware return 0 on success, temporary map it to u-boot * convention, but after all comphy will be reworked the convention in * u-boot should be change and this conversion removed */ return pregs.regs[0] ? 0 : 1; } static int comphy_sata_power_up(u32 lane, void __iomem *hpipe_base, void __iomem *comphy_base_addr, int cp_index, u32 type) { u32 mask, data, i, ret = 1; 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); ret = comphy_smc(MV_SIP_COMPHY_POWER_ON, comphy_base_addr, lane, type); /* * 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); ret = comphy_smc(MV_SIP_COMPHY_PLL_LOCK, comphy_base_addr, lane, type); 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; u32 mode; 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: mode = COMPHY_FW_PCIE_FORMAT(pcie_width, ptr_comphy_map->clk_src, COMPHY_PCIE_MODE, ptr_comphy_map->speed); ret = comphy_smc(MV_SIP_COMPHY_POWER_ON, ptr_chip_cfg->comphy_base_addr, lane, mode); break; case PHY_TYPE_SATA0: case PHY_TYPE_SATA1: case PHY_TYPE_SATA2: case PHY_TYPE_SATA3: mode = COMPHY_FW_MODE_FORMAT(COMPHY_SATA_MODE); ret = comphy_sata_power_up(lane, hpipe_base_addr, comphy_base_addr, ptr_chip_cfg->cp_index, mode); 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: if (ptr_comphy_map->speed == PHY_SPEED_INVALID) { debug("Warning: "); debug("SGMII PHY speed in lane %d is invalid,", lane); debug(" set PHY speed to 1.25G\n"); ptr_comphy_map->speed = PHY_SPEED_1_25G; } /* * UINIT_ID not relevant for SGMII0 and SGMII1 - will be * ignored by firmware */ mode = COMPHY_FW_FORMAT(COMPHY_SGMII_MODE, COMPHY_UNIT_ID0, ptr_comphy_map->speed); ret = comphy_smc(MV_SIP_COMPHY_POWER_ON, ptr_chip_cfg->comphy_base_addr, lane, mode); break; 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; } mode = COMPHY_FW_FORMAT(COMPHY_SGMII_MODE, COMPHY_UNIT_ID2, ptr_comphy_map->speed); ret = comphy_smc(MV_SIP_COMPHY_POWER_ON, ptr_chip_cfg->comphy_base_addr, lane, mode); break; case PHY_TYPE_SFI: mode = COMPHY_FW_FORMAT(COMPHY_SFI_MODE, COMPHY_UNIT_ID0, ptr_comphy_map->speed); ret = comphy_smc(MV_SIP_COMPHY_POWER_ON, ptr_chip_cfg->comphy_base_addr, lane, mode); 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; }