| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2015-2016 Marvell International Ltd. |
| */ |
| |
| #include <common.h> |
| #include <fdtdec.h> |
| #include <log.h> |
| #include <asm/io.h> |
| #include <asm/ptrace.h> |
| #include <asm/arch/cpu.h> |
| #include <asm/arch/soc.h> |
| #include <linux/delay.h> |
| |
| #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; |
| } |