10ade8cd8SKonstantin Porotchkin /* 20ade8cd8SKonstantin Porotchkin * Copyright (C) 2018 Marvell International Ltd. 30ade8cd8SKonstantin Porotchkin * 40ade8cd8SKonstantin Porotchkin * SPDX-License-Identifier: BSD-3-Clause 50ade8cd8SKonstantin Porotchkin * https://spdx.org/licenses 60ade8cd8SKonstantin Porotchkin */ 70ade8cd8SKonstantin Porotchkin 80ade8cd8SKonstantin Porotchkin /* Marvell CP110 SoC COMPHY unit driver */ 90ade8cd8SKonstantin Porotchkin 100ade8cd8SKonstantin Porotchkin #include <errno.h> 1109d40e0eSAntonio Nino Diaz 1209d40e0eSAntonio Nino Diaz #include <common/debug.h> 1309d40e0eSAntonio Nino Diaz #include <drivers/delay_timer.h> 1409d40e0eSAntonio Nino Diaz #include <lib/mmio.h> 1509d40e0eSAntonio Nino Diaz #include <lib/spinlock.h> 1609d40e0eSAntonio Nino Diaz 170ade8cd8SKonstantin Porotchkin #include <mvebu_def.h> 180ade8cd8SKonstantin Porotchkin #include "mvebu.h" 190ade8cd8SKonstantin Porotchkin #include "comphy-cp110.h" 2042a29337SGrzegorz Jaszczyk #include "phy-comphy-cp110.h" 2142a29337SGrzegorz Jaszczyk #include "phy-comphy-common.h" 220ade8cd8SKonstantin Porotchkin 2342a29337SGrzegorz Jaszczyk #if __has_include("phy-porting-layer.h") 2442a29337SGrzegorz Jaszczyk #include "phy-porting-layer.h" 250ade8cd8SKonstantin Porotchkin #else 2642a29337SGrzegorz Jaszczyk #include "phy-default-porting-layer.h" 270ade8cd8SKonstantin Porotchkin #endif 280ade8cd8SKonstantin Porotchkin 290ade8cd8SKonstantin Porotchkin /* COMPHY speed macro */ 300ade8cd8SKonstantin Porotchkin #define COMPHY_SPEED_1_25G 0 /* SGMII 1G */ 310ade8cd8SKonstantin Porotchkin #define COMPHY_SPEED_2_5G 1 320ade8cd8SKonstantin Porotchkin #define COMPHY_SPEED_3_125G 2 /* SGMII 2.5G */ 330ade8cd8SKonstantin Porotchkin #define COMPHY_SPEED_5G 3 340ade8cd8SKonstantin Porotchkin #define COMPHY_SPEED_5_15625G 4 /* XFI 5G */ 350ade8cd8SKonstantin Porotchkin #define COMPHY_SPEED_6G 5 360ade8cd8SKonstantin Porotchkin #define COMPHY_SPEED_10_3125G 6 /* XFI 10G */ 370ade8cd8SKonstantin Porotchkin #define COMPHY_SPEED_MAX 0x3F 380ade8cd8SKonstantin Porotchkin /* The default speed for IO with fixed known speed */ 390ade8cd8SKonstantin Porotchkin #define COMPHY_SPEED_DEFAULT COMPHY_SPEED_MAX 400ade8cd8SKonstantin Porotchkin 410ade8cd8SKonstantin Porotchkin /* Commands for comphy driver */ 420ade8cd8SKonstantin Porotchkin #define COMPHY_COMMAND_DIGITAL_PWR_OFF 0x00000001 430ade8cd8SKonstantin Porotchkin #define COMPHY_COMMAND_DIGITAL_PWR_ON 0x00000002 440ade8cd8SKonstantin Porotchkin 450ade8cd8SKonstantin Porotchkin #define COMPHY_PIPE_FROM_COMPHY_ADDR(x) ((x & ~0xffffff) + 0x120000) 460ade8cd8SKonstantin Porotchkin 470ade8cd8SKonstantin Porotchkin /* System controller registers */ 480ade8cd8SKonstantin Porotchkin #define PCIE_MAC_RESET_MASK_PORT0 BIT(13) 490ade8cd8SKonstantin Porotchkin #define PCIE_MAC_RESET_MASK_PORT1 BIT(11) 500ade8cd8SKonstantin Porotchkin #define PCIE_MAC_RESET_MASK_PORT2 BIT(12) 510ade8cd8SKonstantin Porotchkin #define SYS_CTRL_UINIT_SOFT_RESET_REG 0x268 520ade8cd8SKonstantin Porotchkin #define SYS_CTRL_FROM_COMPHY_ADDR(x) ((x & ~0xffffff) + 0x440000) 530ade8cd8SKonstantin Porotchkin 540ade8cd8SKonstantin Porotchkin /* DFX register spaces */ 550ade8cd8SKonstantin Porotchkin #define SAR_RST_PCIE0_CLOCK_CONFIG_CP1_OFFSET (0) 560ade8cd8SKonstantin Porotchkin #define SAR_RST_PCIE0_CLOCK_CONFIG_CP1_MASK (0x1 << \ 570ade8cd8SKonstantin Porotchkin SAR_RST_PCIE0_CLOCK_CONFIG_CP1_OFFSET) 580ade8cd8SKonstantin Porotchkin #define SAR_RST_PCIE1_CLOCK_CONFIG_CP1_OFFSET (1) 590ade8cd8SKonstantin Porotchkin #define SAR_RST_PCIE1_CLOCK_CONFIG_CP1_MASK (0x1 << \ 600ade8cd8SKonstantin Porotchkin SAR_RST_PCIE1_CLOCK_CONFIG_CP1_OFFSET) 610ade8cd8SKonstantin Porotchkin #define SAR_STATUS_0_REG 200 620ade8cd8SKonstantin Porotchkin #define DFX_FROM_COMPHY_ADDR(x) ((x & ~0xffffff) + DFX_BASE) 630ade8cd8SKonstantin Porotchkin 640ade8cd8SKonstantin Porotchkin /* The same Units Soft Reset Config register are accessed in all PCIe ports 650ade8cd8SKonstantin Porotchkin * initialization, so a spin lock is defined in case when more than 1 CPUs 660ade8cd8SKonstantin Porotchkin * resets PCIe MAC and need to access the register in the same time. The spin 670ade8cd8SKonstantin Porotchkin * lock is shared by all CP110 units. 680ade8cd8SKonstantin Porotchkin */ 690ade8cd8SKonstantin Porotchkin spinlock_t cp110_mac_reset_lock; 700ade8cd8SKonstantin Porotchkin 710ade8cd8SKonstantin Porotchkin /* These values come from the PCI Express Spec */ 720ade8cd8SKonstantin Porotchkin enum pcie_link_width { 730ade8cd8SKonstantin Porotchkin PCIE_LNK_WIDTH_RESRV = 0x00, 740ade8cd8SKonstantin Porotchkin PCIE_LNK_X1 = 0x01, 750ade8cd8SKonstantin Porotchkin PCIE_LNK_X2 = 0x02, 760ade8cd8SKonstantin Porotchkin PCIE_LNK_X4 = 0x04, 770ade8cd8SKonstantin Porotchkin PCIE_LNK_X8 = 0x08, 780ade8cd8SKonstantin Porotchkin PCIE_LNK_X12 = 0x0C, 790ade8cd8SKonstantin Porotchkin PCIE_LNK_X16 = 0x10, 800ade8cd8SKonstantin Porotchkin PCIE_LNK_X32 = 0x20, 810ade8cd8SKonstantin Porotchkin PCIE_LNK_WIDTH_UNKNOWN = 0xFF, 820ade8cd8SKonstantin Porotchkin }; 830ade8cd8SKonstantin Porotchkin 8442a29337SGrzegorz Jaszczyk _Bool rx_trainng_done[AP_NUM][CP_NUM][MAX_LANE_NR] = {0}; 8542a29337SGrzegorz Jaszczyk 8642a29337SGrzegorz Jaszczyk static void mvebu_cp110_get_ap_and_cp_nr(uint8_t *ap_nr, uint8_t *cp_nr, 8742a29337SGrzegorz Jaszczyk uint64_t comphy_base) 880ade8cd8SKonstantin Porotchkin { 8942a29337SGrzegorz Jaszczyk #if (AP_NUM == 1) 9042a29337SGrzegorz Jaszczyk *ap_nr = 0; 9142a29337SGrzegorz Jaszczyk #else 9242a29337SGrzegorz Jaszczyk *ap_nr = (((comphy_base & ~0xffffff) - MVEBU_AP_IO_BASE(0)) / 9342a29337SGrzegorz Jaszczyk AP_IO_OFFSET); 9442a29337SGrzegorz Jaszczyk #endif 950ade8cd8SKonstantin Porotchkin 9642a29337SGrzegorz Jaszczyk *cp_nr = (((comphy_base & ~0xffffff) - MVEBU_AP_IO_BASE(*ap_nr)) / 9742a29337SGrzegorz Jaszczyk MVEBU_CP_OFFSET); 980ade8cd8SKonstantin Porotchkin 9942a29337SGrzegorz Jaszczyk debug("cp_base 0x%llx, ap_io_base 0x%lx, cp_offset 0x%lx\n", 10042a29337SGrzegorz Jaszczyk comphy_base, (unsigned long)MVEBU_AP_IO_BASE(*ap_nr), 10142a29337SGrzegorz Jaszczyk (unsigned long)MVEBU_CP_OFFSET); 1020ade8cd8SKonstantin Porotchkin } 1030ade8cd8SKonstantin Porotchkin 1040ade8cd8SKonstantin Porotchkin /* Clear PIPE selector - avoid collision with previous configuration */ 1050ade8cd8SKonstantin Porotchkin static void mvebu_cp110_comphy_clr_pipe_selector(uint64_t comphy_base, 1060ade8cd8SKonstantin Porotchkin uint8_t comphy_index) 1070ade8cd8SKonstantin Porotchkin { 1080ade8cd8SKonstantin Porotchkin uint32_t reg, mask, field; 1090ade8cd8SKonstantin Porotchkin uint32_t comphy_offset = 1100ade8cd8SKonstantin Porotchkin COMMON_SELECTOR_COMPHYN_FIELD_WIDTH * comphy_index; 1110ade8cd8SKonstantin Porotchkin 1120ade8cd8SKonstantin Porotchkin mask = COMMON_SELECTOR_COMPHY_MASK << comphy_offset; 1130ade8cd8SKonstantin Porotchkin reg = mmio_read_32(comphy_base + COMMON_SELECTOR_PIPE_REG_OFFSET); 1140ade8cd8SKonstantin Porotchkin field = reg & mask; 1150ade8cd8SKonstantin Porotchkin 1160ade8cd8SKonstantin Porotchkin if (field) { 1170ade8cd8SKonstantin Porotchkin reg &= ~mask; 1180ade8cd8SKonstantin Porotchkin mmio_write_32(comphy_base + COMMON_SELECTOR_PIPE_REG_OFFSET, 1190ade8cd8SKonstantin Porotchkin reg); 1200ade8cd8SKonstantin Porotchkin } 1210ade8cd8SKonstantin Porotchkin } 1220ade8cd8SKonstantin Porotchkin 1230ade8cd8SKonstantin Porotchkin /* Clear PHY selector - avoid collision with previous configuration */ 1240ade8cd8SKonstantin Porotchkin static void mvebu_cp110_comphy_clr_phy_selector(uint64_t comphy_base, 1250ade8cd8SKonstantin Porotchkin uint8_t comphy_index) 1260ade8cd8SKonstantin Porotchkin { 1270ade8cd8SKonstantin Porotchkin uint32_t reg, mask, field; 1280ade8cd8SKonstantin Porotchkin uint32_t comphy_offset = 1290ade8cd8SKonstantin Porotchkin COMMON_SELECTOR_COMPHYN_FIELD_WIDTH * comphy_index; 1300ade8cd8SKonstantin Porotchkin 1310ade8cd8SKonstantin Porotchkin mask = COMMON_SELECTOR_COMPHY_MASK << comphy_offset; 1320ade8cd8SKonstantin Porotchkin reg = mmio_read_32(comphy_base + COMMON_SELECTOR_PHY_REG_OFFSET); 1330ade8cd8SKonstantin Porotchkin field = reg & mask; 1340ade8cd8SKonstantin Porotchkin 1350ade8cd8SKonstantin Porotchkin /* Clear comphy selector - if it was already configured. 1360ade8cd8SKonstantin Porotchkin * (might be that this comphy was configured as PCIe/USB, 1370ade8cd8SKonstantin Porotchkin * in such case, no need to clear comphy selector because PCIe/USB 1380ade8cd8SKonstantin Porotchkin * are controlled by hpipe selector). 1390ade8cd8SKonstantin Porotchkin */ 1400ade8cd8SKonstantin Porotchkin if (field) { 1410ade8cd8SKonstantin Porotchkin reg &= ~mask; 1420ade8cd8SKonstantin Porotchkin mmio_write_32(comphy_base + COMMON_SELECTOR_PHY_REG_OFFSET, 1430ade8cd8SKonstantin Porotchkin reg); 1440ade8cd8SKonstantin Porotchkin } 1450ade8cd8SKonstantin Porotchkin } 1460ade8cd8SKonstantin Porotchkin 1470ade8cd8SKonstantin Porotchkin /* PHY selector configures SATA and Network modes */ 1480ade8cd8SKonstantin Porotchkin static void mvebu_cp110_comphy_set_phy_selector(uint64_t comphy_base, 1490ade8cd8SKonstantin Porotchkin uint8_t comphy_index, uint32_t comphy_mode) 1500ade8cd8SKonstantin Porotchkin { 1510ade8cd8SKonstantin Porotchkin uint32_t reg, mask; 1520ade8cd8SKonstantin Porotchkin uint32_t comphy_offset = 1530ade8cd8SKonstantin Porotchkin COMMON_SELECTOR_COMPHYN_FIELD_WIDTH * comphy_index; 1540ade8cd8SKonstantin Porotchkin int mode; 1550ade8cd8SKonstantin Porotchkin 1560ade8cd8SKonstantin Porotchkin /* If phy selector is used the pipe selector should be marked as 1570ade8cd8SKonstantin Porotchkin * unconnected. 1580ade8cd8SKonstantin Porotchkin */ 1590ade8cd8SKonstantin Porotchkin mvebu_cp110_comphy_clr_pipe_selector(comphy_base, comphy_index); 1600ade8cd8SKonstantin Porotchkin 1610ade8cd8SKonstantin Porotchkin /* Comphy mode (compound of the IO mode and id). Here, only the IO mode 1620ade8cd8SKonstantin Porotchkin * is required to distinguish between SATA and network modes. 1630ade8cd8SKonstantin Porotchkin */ 1640ade8cd8SKonstantin Porotchkin mode = COMPHY_GET_MODE(comphy_mode); 1650ade8cd8SKonstantin Porotchkin 1660ade8cd8SKonstantin Porotchkin mask = COMMON_SELECTOR_COMPHY_MASK << comphy_offset; 1670ade8cd8SKonstantin Porotchkin reg = mmio_read_32(comphy_base + COMMON_SELECTOR_PHY_REG_OFFSET); 1680ade8cd8SKonstantin Porotchkin reg &= ~mask; 1690ade8cd8SKonstantin Porotchkin 1700ade8cd8SKonstantin Porotchkin /* SATA port 0/1 require the same configuration */ 1710ade8cd8SKonstantin Porotchkin if (mode == COMPHY_SATA_MODE) { 1720ade8cd8SKonstantin Porotchkin /* SATA selector values is always 4 */ 1730ade8cd8SKonstantin Porotchkin reg |= COMMON_SELECTOR_COMPHYN_SATA << comphy_offset; 1740ade8cd8SKonstantin Porotchkin } else { 1750ade8cd8SKonstantin Porotchkin switch (comphy_index) { 1760ade8cd8SKonstantin Porotchkin case(0): 1770ade8cd8SKonstantin Porotchkin case(1): 1780ade8cd8SKonstantin Porotchkin case(2): 1790ade8cd8SKonstantin Porotchkin /* For comphy 0,1, and 2: 1800ade8cd8SKonstantin Porotchkin * Network selector value is always 1. 1810ade8cd8SKonstantin Porotchkin */ 1820ade8cd8SKonstantin Porotchkin reg |= COMMON_SELECTOR_COMPHY0_1_2_NETWORK << 1830ade8cd8SKonstantin Porotchkin comphy_offset; 1840ade8cd8SKonstantin Porotchkin break; 1850ade8cd8SKonstantin Porotchkin case(3): 1860ade8cd8SKonstantin Porotchkin /* For comphy 3: 1870ade8cd8SKonstantin Porotchkin * 0x1 = RXAUI_Lane1 1880ade8cd8SKonstantin Porotchkin * 0x2 = SGMII/HS-SGMII Port1 1890ade8cd8SKonstantin Porotchkin */ 1900ade8cd8SKonstantin Porotchkin if (mode == COMPHY_RXAUI_MODE) 1910ade8cd8SKonstantin Porotchkin reg |= COMMON_SELECTOR_COMPHY3_RXAUI << 1920ade8cd8SKonstantin Porotchkin comphy_offset; 1930ade8cd8SKonstantin Porotchkin else 1940ade8cd8SKonstantin Porotchkin reg |= COMMON_SELECTOR_COMPHY3_SGMII << 1950ade8cd8SKonstantin Porotchkin comphy_offset; 1960ade8cd8SKonstantin Porotchkin break; 1970ade8cd8SKonstantin Porotchkin case(4): 1980ade8cd8SKonstantin Porotchkin /* For comphy 4: 1990ade8cd8SKonstantin Porotchkin * 0x1 = SGMII/HS-SGMII Port1, XFI1/SFI1 2000ade8cd8SKonstantin Porotchkin * 0x2 = SGMII/HS-SGMII Port0: XFI0/SFI0, RXAUI_Lane0 2010ade8cd8SKonstantin Porotchkin * 2020ade8cd8SKonstantin Porotchkin * We want to check if SGMII1/HS_SGMII1 is the 2030ade8cd8SKonstantin Porotchkin * requested mode in order to determine which value 2040ade8cd8SKonstantin Porotchkin * should be set (all other modes use the same value) 2050ade8cd8SKonstantin Porotchkin * so we need to strip the mode, and check the ID 2060ade8cd8SKonstantin Porotchkin * because we might handle SGMII0/HS_SGMII0 too. 2070ade8cd8SKonstantin Porotchkin */ 2080ade8cd8SKonstantin Porotchkin /* TODO: need to distinguish between CP110 and CP115 2090ade8cd8SKonstantin Porotchkin * as SFI1/XFI1 available only for CP115. 2100ade8cd8SKonstantin Porotchkin */ 2110ade8cd8SKonstantin Porotchkin if ((mode == COMPHY_SGMII_MODE || 2120ade8cd8SKonstantin Porotchkin mode == COMPHY_HS_SGMII_MODE || 213*050eb19cSGrzegorz Jaszczyk mode == COMPHY_SFI_MODE || 214*050eb19cSGrzegorz Jaszczyk mode == COMPHY_XFI_MODE || 215*050eb19cSGrzegorz Jaszczyk mode == COMPHY_AP_MODE) 2160529106cSGrzegorz Jaszczyk && COMPHY_GET_ID(comphy_mode) == 1) 2170ade8cd8SKonstantin Porotchkin reg |= COMMON_SELECTOR_COMPHY4_PORT1 << 2180ade8cd8SKonstantin Porotchkin comphy_offset; 2190ade8cd8SKonstantin Porotchkin else 2200ade8cd8SKonstantin Porotchkin reg |= COMMON_SELECTOR_COMPHY4_ALL_OTHERS << 2210ade8cd8SKonstantin Porotchkin comphy_offset; 2220ade8cd8SKonstantin Porotchkin break; 2230ade8cd8SKonstantin Porotchkin case(5): 2240ade8cd8SKonstantin Porotchkin /* For comphy 5: 2250ade8cd8SKonstantin Porotchkin * 0x1 = SGMII/HS-SGMII Port2 2260ade8cd8SKonstantin Porotchkin * 0x2 = RXAUI Lane1 2270ade8cd8SKonstantin Porotchkin */ 2280ade8cd8SKonstantin Porotchkin if (mode == COMPHY_RXAUI_MODE) 2290ade8cd8SKonstantin Porotchkin reg |= COMMON_SELECTOR_COMPHY5_RXAUI << 2300ade8cd8SKonstantin Porotchkin comphy_offset; 2310ade8cd8SKonstantin Porotchkin else 2320ade8cd8SKonstantin Porotchkin reg |= COMMON_SELECTOR_COMPHY5_SGMII << 2330ade8cd8SKonstantin Porotchkin comphy_offset; 2340ade8cd8SKonstantin Porotchkin break; 2350ade8cd8SKonstantin Porotchkin } 2360ade8cd8SKonstantin Porotchkin } 2370ade8cd8SKonstantin Porotchkin 2380ade8cd8SKonstantin Porotchkin mmio_write_32(comphy_base + COMMON_SELECTOR_PHY_REG_OFFSET, reg); 2390ade8cd8SKonstantin Porotchkin } 2400ade8cd8SKonstantin Porotchkin 2410ade8cd8SKonstantin Porotchkin /* PIPE selector configures for PCIe, USB 3.0 Host, and USB 3.0 Device mode */ 2420ade8cd8SKonstantin Porotchkin static void mvebu_cp110_comphy_set_pipe_selector(uint64_t comphy_base, 2430ade8cd8SKonstantin Porotchkin uint8_t comphy_index, uint32_t comphy_mode) 2440ade8cd8SKonstantin Porotchkin { 2450ade8cd8SKonstantin Porotchkin uint32_t reg; 2460ade8cd8SKonstantin Porotchkin uint32_t shift = COMMON_SELECTOR_COMPHYN_FIELD_WIDTH * comphy_index; 2470ade8cd8SKonstantin Porotchkin int mode = COMPHY_GET_MODE(comphy_mode); 2480ade8cd8SKonstantin Porotchkin uint32_t mask = COMMON_SELECTOR_COMPHY_MASK << shift; 2490ade8cd8SKonstantin Porotchkin uint32_t pipe_sel = 0x0; 2500ade8cd8SKonstantin Porotchkin 2510ade8cd8SKonstantin Porotchkin /* If pipe selector is used the phy selector should be marked as 2520ade8cd8SKonstantin Porotchkin * unconnected. 2530ade8cd8SKonstantin Porotchkin */ 2540ade8cd8SKonstantin Porotchkin mvebu_cp110_comphy_clr_phy_selector(comphy_base, comphy_index); 2550ade8cd8SKonstantin Porotchkin 2560ade8cd8SKonstantin Porotchkin reg = mmio_read_32(comphy_base + COMMON_SELECTOR_PIPE_REG_OFFSET); 2570ade8cd8SKonstantin Porotchkin reg &= ~mask; 2580ade8cd8SKonstantin Porotchkin 2590ade8cd8SKonstantin Porotchkin switch (mode) { 2600ade8cd8SKonstantin Porotchkin case (COMPHY_PCIE_MODE): 2610ade8cd8SKonstantin Porotchkin /* For lanes support PCIE, selector value are all same */ 2620ade8cd8SKonstantin Porotchkin pipe_sel = COMMON_SELECTOR_PIPE_COMPHY_PCIE; 2630ade8cd8SKonstantin Porotchkin break; 2640ade8cd8SKonstantin Porotchkin 2650ade8cd8SKonstantin Porotchkin case (COMPHY_USB3H_MODE): 2660ade8cd8SKonstantin Porotchkin /* Only lane 1-4 support USB host, selector value is same */ 2670ade8cd8SKonstantin Porotchkin if (comphy_index == COMPHY_LANE0 || 2680ade8cd8SKonstantin Porotchkin comphy_index == COMPHY_LANE5) 2690ade8cd8SKonstantin Porotchkin ERROR("COMPHY[%d] mode[%d] is invalid\n", 2700ade8cd8SKonstantin Porotchkin comphy_index, mode); 2710ade8cd8SKonstantin Porotchkin else 2720ade8cd8SKonstantin Porotchkin pipe_sel = COMMON_SELECTOR_PIPE_COMPHY_USBH; 2730ade8cd8SKonstantin Porotchkin break; 2740ade8cd8SKonstantin Porotchkin 2750ade8cd8SKonstantin Porotchkin case (COMPHY_USB3D_MODE): 2760ade8cd8SKonstantin Porotchkin /* Lane 1 and 4 support USB device, selector value is same */ 2770ade8cd8SKonstantin Porotchkin if (comphy_index == COMPHY_LANE1 || 2780ade8cd8SKonstantin Porotchkin comphy_index == COMPHY_LANE4) 2790ade8cd8SKonstantin Porotchkin pipe_sel = COMMON_SELECTOR_PIPE_COMPHY_USBD; 2800ade8cd8SKonstantin Porotchkin else 2810ade8cd8SKonstantin Porotchkin ERROR("COMPHY[%d] mode[%d] is invalid\n", comphy_index, 2820ade8cd8SKonstantin Porotchkin mode); 2830ade8cd8SKonstantin Porotchkin break; 2840ade8cd8SKonstantin Porotchkin 2850ade8cd8SKonstantin Porotchkin default: 2860ade8cd8SKonstantin Porotchkin ERROR("COMPHY[%d] mode[%d] is invalid\n", comphy_index, mode); 2870ade8cd8SKonstantin Porotchkin break; 2880ade8cd8SKonstantin Porotchkin } 2890ade8cd8SKonstantin Porotchkin 2900ade8cd8SKonstantin Porotchkin mmio_write_32(comphy_base + COMMON_SELECTOR_PIPE_REG_OFFSET, reg | 2910ade8cd8SKonstantin Porotchkin (pipe_sel << shift)); 2920ade8cd8SKonstantin Porotchkin } 2930ade8cd8SKonstantin Porotchkin 2940ade8cd8SKonstantin Porotchkin int mvebu_cp110_comphy_is_pll_locked(uint64_t comphy_base, uint8_t comphy_index) 2950ade8cd8SKonstantin Porotchkin { 2960ade8cd8SKonstantin Porotchkin uintptr_t sd_ip_addr, addr; 2970ade8cd8SKonstantin Porotchkin uint32_t mask, data; 2980ade8cd8SKonstantin Porotchkin int ret = 0; 2990ade8cd8SKonstantin Porotchkin 3000ade8cd8SKonstantin Porotchkin debug_enter(); 3010ade8cd8SKonstantin Porotchkin 3020ade8cd8SKonstantin Porotchkin sd_ip_addr = SD_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 3030ade8cd8SKonstantin Porotchkin comphy_index); 3040ade8cd8SKonstantin Porotchkin 3050ade8cd8SKonstantin Porotchkin addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; 3060ade8cd8SKonstantin Porotchkin data = SD_EXTERNAL_STATUS0_PLL_TX_MASK & 3070ade8cd8SKonstantin Porotchkin SD_EXTERNAL_STATUS0_PLL_RX_MASK; 3080ade8cd8SKonstantin Porotchkin mask = data; 3090ade8cd8SKonstantin Porotchkin data = polling_with_timeout(addr, data, mask, 3100ade8cd8SKonstantin Porotchkin PLL_LOCK_TIMEOUT, REG_32BIT); 3110ade8cd8SKonstantin Porotchkin if (data != 0) { 3120ade8cd8SKonstantin Porotchkin if (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK) 3130ade8cd8SKonstantin Porotchkin ERROR("RX PLL is not locked\n"); 3140ade8cd8SKonstantin Porotchkin if (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK) 3150ade8cd8SKonstantin Porotchkin ERROR("TX PLL is not locked\n"); 3160ade8cd8SKonstantin Porotchkin 3170ade8cd8SKonstantin Porotchkin ret = -ETIMEDOUT; 3180ade8cd8SKonstantin Porotchkin } 3190ade8cd8SKonstantin Porotchkin 3200ade8cd8SKonstantin Porotchkin debug_exit(); 3210ade8cd8SKonstantin Porotchkin 3220ade8cd8SKonstantin Porotchkin return ret; 3230ade8cd8SKonstantin Porotchkin } 3240ade8cd8SKonstantin Porotchkin 3250ade8cd8SKonstantin Porotchkin static int mvebu_cp110_comphy_sata_power_on(uint64_t comphy_base, 3260ade8cd8SKonstantin Porotchkin uint8_t comphy_index, uint32_t comphy_mode) 3270ade8cd8SKonstantin Porotchkin { 3280ade8cd8SKonstantin Porotchkin uintptr_t hpipe_addr, sd_ip_addr, comphy_addr; 3290ade8cd8SKonstantin Porotchkin uint32_t mask, data; 33042a29337SGrzegorz Jaszczyk uint8_t ap_nr, cp_nr; 3310ade8cd8SKonstantin Porotchkin int ret = 0; 3320ade8cd8SKonstantin Porotchkin 3330ade8cd8SKonstantin Porotchkin debug_enter(); 3340ade8cd8SKonstantin Porotchkin 33542a29337SGrzegorz Jaszczyk mvebu_cp110_get_ap_and_cp_nr(&ap_nr, &cp_nr, comphy_base); 33642a29337SGrzegorz Jaszczyk 33742a29337SGrzegorz Jaszczyk const struct sata_params *sata_static_values = 33842a29337SGrzegorz Jaszczyk &sata_static_values_tab[ap_nr][cp_nr][comphy_index]; 33942a29337SGrzegorz Jaszczyk 34042a29337SGrzegorz Jaszczyk 3410ade8cd8SKonstantin Porotchkin /* configure phy selector for SATA */ 3420ade8cd8SKonstantin Porotchkin mvebu_cp110_comphy_set_phy_selector(comphy_base, 3430ade8cd8SKonstantin Porotchkin comphy_index, comphy_mode); 3440ade8cd8SKonstantin Porotchkin 3450ade8cd8SKonstantin Porotchkin hpipe_addr = HPIPE_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 3460ade8cd8SKonstantin Porotchkin comphy_index); 3470ade8cd8SKonstantin Porotchkin sd_ip_addr = SD_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 3480ade8cd8SKonstantin Porotchkin comphy_index); 3490ade8cd8SKonstantin Porotchkin comphy_addr = COMPHY_ADDR(comphy_base, comphy_index); 3500ade8cd8SKonstantin Porotchkin 3510ade8cd8SKonstantin Porotchkin debug(" add hpipe 0x%lx, sd 0x%lx, comphy 0x%lx\n", 3520ade8cd8SKonstantin Porotchkin hpipe_addr, sd_ip_addr, comphy_addr); 3530ade8cd8SKonstantin Porotchkin debug("stage: RFU configurations - hard reset comphy\n"); 3540ade8cd8SKonstantin Porotchkin /* RFU configurations - hard reset comphy */ 3550ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_CFG1_PWR_UP_MASK; 3560ade8cd8SKonstantin Porotchkin data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; 3570ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; 3580ade8cd8SKonstantin Porotchkin data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; 3590ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK; 3600ade8cd8SKonstantin Porotchkin data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; 3610ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; 3620ade8cd8SKonstantin Porotchkin data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; 3630ade8cd8SKonstantin Porotchkin reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); 3640ade8cd8SKonstantin Porotchkin 3650ade8cd8SKonstantin Porotchkin /* Set select data width 40Bit - SATA mode only */ 3660ade8cd8SKonstantin Porotchkin reg_set(comphy_addr + COMMON_PHY_CFG6_REG, 3670ade8cd8SKonstantin Porotchkin 0x1 << COMMON_PHY_CFG6_IF_40_SEL_OFFSET, 3680ade8cd8SKonstantin Porotchkin COMMON_PHY_CFG6_IF_40_SEL_MASK); 3690ade8cd8SKonstantin Porotchkin 3700ade8cd8SKonstantin Porotchkin /* release from hard reset in SD external */ 3710ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; 3720ade8cd8SKonstantin Porotchkin data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; 3730ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; 3740ade8cd8SKonstantin Porotchkin data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; 3750ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); 3760ade8cd8SKonstantin Porotchkin 3770ade8cd8SKonstantin Porotchkin /* Wait 1ms - until band gap and ref clock ready */ 3780ade8cd8SKonstantin Porotchkin mdelay(1); 3790ade8cd8SKonstantin Porotchkin 3800ade8cd8SKonstantin Porotchkin debug("stage: Comphy configuration\n"); 3810ade8cd8SKonstantin Porotchkin /* Start comphy Configuration */ 3820ade8cd8SKonstantin Porotchkin /* Set reference clock to comes from group 1 - choose 25Mhz */ 3830ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_MISC_REG, 3840ade8cd8SKonstantin Porotchkin 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET, 3850ade8cd8SKonstantin Porotchkin HPIPE_MISC_REFCLK_SEL_MASK); 3860ade8cd8SKonstantin Porotchkin /* Reference frequency select set 1 (for SATA = 25Mhz) */ 3870ade8cd8SKonstantin Porotchkin mask = HPIPE_PWR_PLL_REF_FREQ_MASK; 3880ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; 3890ade8cd8SKonstantin Porotchkin /* PHY mode select (set SATA = 0x0 */ 3900ade8cd8SKonstantin Porotchkin mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; 3910ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; 3920ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); 3930ade8cd8SKonstantin Porotchkin /* Set max PHY generation setting - 6Gbps */ 3940ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_INTERFACE_REG, 3950ade8cd8SKonstantin Porotchkin 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET, 3960ade8cd8SKonstantin Porotchkin HPIPE_INTERFACE_GEN_MAX_MASK); 3970ade8cd8SKonstantin Porotchkin /* Set select data width 40Bit (SEL_BITS[2:0]) */ 3980ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, 3990ade8cd8SKonstantin Porotchkin 0x2 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK); 4000ade8cd8SKonstantin Porotchkin 4010ade8cd8SKonstantin Porotchkin debug("stage: Analog parameters from ETP(HW)\n"); 4020ade8cd8SKonstantin Porotchkin /* G1 settings */ 4030ade8cd8SKonstantin Porotchkin mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK; 40442a29337SGrzegorz Jaszczyk data = sata_static_values->g1_rx_selmupi << 40542a29337SGrzegorz Jaszczyk HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET; 4063c0024ccSGrzegorz Jaszczyk mask |= HPIPE_G1_SET_1_G1_RX_SELMUPF_MASK; 40742a29337SGrzegorz Jaszczyk data |= sata_static_values->g1_rx_selmupf << 40842a29337SGrzegorz Jaszczyk HPIPE_G1_SET_1_G1_RX_SELMUPF_OFFSET; 4090ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SET_1_G1_RX_SELMUFI_MASK; 41042a29337SGrzegorz Jaszczyk data |= sata_static_values->g1_rx_selmufi << 41142a29337SGrzegorz Jaszczyk HPIPE_G1_SET_1_G1_RX_SELMUFI_OFFSET; 4120ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SET_1_G1_RX_SELMUFF_MASK; 41342a29337SGrzegorz Jaszczyk data |= sata_static_values->g1_rx_selmuff << 41442a29337SGrzegorz Jaszczyk HPIPE_G1_SET_1_G1_RX_SELMUFF_OFFSET; 4150ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_MASK; 4160ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_OFFSET; 4170ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask); 4180ade8cd8SKonstantin Porotchkin 4190ade8cd8SKonstantin Porotchkin mask = HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_MASK; 4200ade8cd8SKonstantin Porotchkin data = 0xf << HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_OFFSET; 4210ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_MASK; 4220ade8cd8SKonstantin Porotchkin data |= 0x2 << HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_OFFSET; 4230ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_MASK; 4240ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET; 4250ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SETTINGS_3_G1_FFE_DEG_RES_LEVEL_MASK; 4260ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_DEG_RES_LEVEL_OFFSET; 4270ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SETTINGS_3_G1_FFE_LOAD_RES_LEVEL_MASK; 4280ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_LOAD_RES_LEVEL_OFFSET; 4290ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask); 4300ade8cd8SKonstantin Porotchkin 4310ade8cd8SKonstantin Porotchkin /* G2 settings */ 4320ade8cd8SKonstantin Porotchkin mask = HPIPE_G2_SET_1_G2_RX_SELMUPI_MASK; 43342a29337SGrzegorz Jaszczyk data = sata_static_values->g2_rx_selmupi << 43442a29337SGrzegorz Jaszczyk HPIPE_G2_SET_1_G2_RX_SELMUPI_OFFSET; 4353c0024ccSGrzegorz Jaszczyk mask |= HPIPE_G2_SET_1_G2_RX_SELMUPF_MASK; 43642a29337SGrzegorz Jaszczyk data |= sata_static_values->g2_rx_selmupf << 43742a29337SGrzegorz Jaszczyk HPIPE_G2_SET_1_G2_RX_SELMUPF_OFFSET; 4380ade8cd8SKonstantin Porotchkin mask |= HPIPE_G2_SET_1_G2_RX_SELMUFI_MASK; 43942a29337SGrzegorz Jaszczyk data |= sata_static_values->g2_rx_selmufi << 44042a29337SGrzegorz Jaszczyk HPIPE_G2_SET_1_G2_RX_SELMUFI_OFFSET; 4410ade8cd8SKonstantin Porotchkin mask |= HPIPE_G2_SET_1_G2_RX_SELMUFF_MASK; 44242a29337SGrzegorz Jaszczyk data |= sata_static_values->g2_rx_selmuff << 44342a29337SGrzegorz Jaszczyk HPIPE_G2_SET_1_G2_RX_SELMUFF_OFFSET; 4440ade8cd8SKonstantin Porotchkin mask |= HPIPE_G2_SET_1_G2_RX_DIGCK_DIV_MASK; 4450ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_G2_SET_1_G2_RX_DIGCK_DIV_OFFSET; 4460ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G2_SET_1_REG, data, mask); 4470ade8cd8SKonstantin Porotchkin 4480ade8cd8SKonstantin Porotchkin /* G3 settings */ 4490ade8cd8SKonstantin Porotchkin mask = HPIPE_G3_SET_1_G3_RX_SELMUPI_MASK; 45042a29337SGrzegorz Jaszczyk data = sata_static_values->g3_rx_selmupi << 45142a29337SGrzegorz Jaszczyk HPIPE_G3_SET_1_G3_RX_SELMUPI_OFFSET; 4520ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_SET_1_G3_RX_SELMUPF_MASK; 45342a29337SGrzegorz Jaszczyk data |= sata_static_values->g3_rx_selmupf << 45442a29337SGrzegorz Jaszczyk HPIPE_G3_SET_1_G3_RX_SELMUPF_OFFSET; 4550ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_SET_1_G3_RX_SELMUFI_MASK; 45642a29337SGrzegorz Jaszczyk data |= sata_static_values->g3_rx_selmufi << 45742a29337SGrzegorz Jaszczyk HPIPE_G3_SET_1_G3_RX_SELMUFI_OFFSET; 4580ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_SET_1_G3_RX_SELMUFF_MASK; 45942a29337SGrzegorz Jaszczyk data |= sata_static_values->g3_rx_selmuff << 46042a29337SGrzegorz Jaszczyk HPIPE_G3_SET_1_G3_RX_SELMUFF_OFFSET; 4610ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_SET_1_G3_RX_DFE_EN_MASK; 4620ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_G3_SET_1_G3_RX_DFE_EN_OFFSET; 4630ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_SET_1_G3_RX_DIGCK_DIV_MASK; 4640ade8cd8SKonstantin Porotchkin data |= 0x2 << HPIPE_G3_SET_1_G3_RX_DIGCK_DIV_OFFSET; 4650ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_MASK; 4660ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_OFFSET; 4670ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G3_SET_1_REG, data, mask); 4680ade8cd8SKonstantin Porotchkin 4690ade8cd8SKonstantin Porotchkin /* DTL Control */ 4700ade8cd8SKonstantin Porotchkin mask = HPIPE_PWR_CTR_DTL_SQ_DET_EN_MASK; 4710ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_PWR_CTR_DTL_SQ_DET_EN_OFFSET; 4720ade8cd8SKonstantin Porotchkin mask |= HPIPE_PWR_CTR_DTL_SQ_PLOOP_EN_MASK; 4730ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_PWR_CTR_DTL_SQ_PLOOP_EN_OFFSET; 4740ade8cd8SKonstantin Porotchkin mask |= HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK; 4750ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET; 4760ade8cd8SKonstantin Porotchkin mask |= HPIPE_PWR_CTR_DTL_CLAMPING_SEL_MASK; 4770ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_PWR_CTR_DTL_CLAMPING_SEL_OFFSET; 4780ade8cd8SKonstantin Porotchkin mask |= HPIPE_PWR_CTR_DTL_INTPCLK_DIV_FORCE_MASK; 4790ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_PWR_CTR_DTL_INTPCLK_DIV_FORCE_OFFSET; 4800ade8cd8SKonstantin Porotchkin mask |= HPIPE_PWR_CTR_DTL_CLK_MODE_MASK; 4810ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_PWR_CTR_DTL_CLK_MODE_OFFSET; 4820ade8cd8SKonstantin Porotchkin mask |= HPIPE_PWR_CTR_DTL_CLK_MODE_FORCE_MASK; 4830ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_PWR_CTR_DTL_CLK_MODE_FORCE_OFFSET; 4840ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask); 4850ade8cd8SKonstantin Porotchkin 4860ade8cd8SKonstantin Porotchkin /* Trigger sampler enable pulse */ 4870ade8cd8SKonstantin Porotchkin mask = HPIPE_SMAPLER_MASK; 4880ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_SMAPLER_OFFSET; 4890ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask); 4900ade8cd8SKonstantin Porotchkin mask = HPIPE_SMAPLER_MASK; 4910ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_SMAPLER_OFFSET; 4920ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask); 4930ade8cd8SKonstantin Porotchkin 4940ade8cd8SKonstantin Porotchkin /* VDD Calibration Control 3 */ 4950ade8cd8SKonstantin Porotchkin mask = HPIPE_EXT_SELLV_RXSAMPL_MASK; 4960ade8cd8SKonstantin Porotchkin data = 0x10 << HPIPE_EXT_SELLV_RXSAMPL_OFFSET; 4970ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask); 4980ade8cd8SKonstantin Porotchkin 4990ade8cd8SKonstantin Porotchkin /* DFE Resolution Control */ 5000ade8cd8SKonstantin Porotchkin mask = HPIPE_DFE_RES_FORCE_MASK; 5010ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET; 5020ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask); 5030ade8cd8SKonstantin Porotchkin 5040ade8cd8SKonstantin Porotchkin /* DFE F3-F5 Coefficient Control */ 5050ade8cd8SKonstantin Porotchkin mask = HPIPE_DFE_F3_F5_DFE_EN_MASK; 5060ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET; 5070ade8cd8SKonstantin Porotchkin mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK; 5080ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET; 5090ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask); 5100ade8cd8SKonstantin Porotchkin 5110ade8cd8SKonstantin Porotchkin /* G3 Setting 3 */ 5120ade8cd8SKonstantin Porotchkin mask = HPIPE_G3_FFE_CAP_SEL_MASK; 51342a29337SGrzegorz Jaszczyk data = sata_static_values->g3_ffe_cap_sel << 51442a29337SGrzegorz Jaszczyk HPIPE_G3_FFE_CAP_SEL_OFFSET; 5150ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_FFE_RES_SEL_MASK; 51642a29337SGrzegorz Jaszczyk data |= sata_static_values->g3_ffe_res_sel << 51742a29337SGrzegorz Jaszczyk HPIPE_G3_FFE_RES_SEL_OFFSET; 5180ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_FFE_SETTING_FORCE_MASK; 5190ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_G3_FFE_SETTING_FORCE_OFFSET; 5200ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_FFE_DEG_RES_LEVEL_MASK; 5210ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_G3_FFE_DEG_RES_LEVEL_OFFSET; 5220ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_FFE_LOAD_RES_LEVEL_MASK; 5230ade8cd8SKonstantin Porotchkin data |= 0x3 << HPIPE_G3_FFE_LOAD_RES_LEVEL_OFFSET; 5240ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G3_SETTING_3_REG, data, mask); 5250ade8cd8SKonstantin Porotchkin 5260ade8cd8SKonstantin Porotchkin /* G3 Setting 4 */ 5270ade8cd8SKonstantin Porotchkin mask = HPIPE_G3_DFE_RES_MASK; 52842a29337SGrzegorz Jaszczyk data = sata_static_values->g3_dfe_res << HPIPE_G3_DFE_RES_OFFSET; 5290ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G3_SETTING_4_REG, data, mask); 5300ade8cd8SKonstantin Porotchkin 5310ade8cd8SKonstantin Porotchkin /* Offset Phase Control */ 5320ade8cd8SKonstantin Porotchkin mask = HPIPE_OS_PH_OFFSET_MASK; 53342a29337SGrzegorz Jaszczyk data = sata_static_values->align90 << HPIPE_OS_PH_OFFSET_OFFSET; 5340ade8cd8SKonstantin Porotchkin mask |= HPIPE_OS_PH_OFFSET_FORCE_MASK; 5350ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_OS_PH_OFFSET_FORCE_OFFSET; 5360ade8cd8SKonstantin Porotchkin mask |= HPIPE_OS_PH_VALID_MASK; 5370ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_OS_PH_VALID_OFFSET; 5380ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask); 5390ade8cd8SKonstantin Porotchkin mask = HPIPE_OS_PH_VALID_MASK; 5400ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_OS_PH_VALID_OFFSET; 5410ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask); 5420ade8cd8SKonstantin Porotchkin mask = HPIPE_OS_PH_VALID_MASK; 5430ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_OS_PH_VALID_OFFSET; 5440ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PHASE_CONTROL_REG, data, mask); 5450ade8cd8SKonstantin Porotchkin 5460ade8cd8SKonstantin Porotchkin /* Set G1 TX amplitude and TX post emphasis value */ 5470ade8cd8SKonstantin Porotchkin mask = HPIPE_G1_SET_0_G1_TX_AMP_MASK; 54842a29337SGrzegorz Jaszczyk data = sata_static_values->g1_amp << HPIPE_G1_SET_0_G1_TX_AMP_OFFSET; 5490ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SET_0_G1_TX_AMP_ADJ_MASK; 55042a29337SGrzegorz Jaszczyk data |= sata_static_values->g1_tx_amp_adj << 55142a29337SGrzegorz Jaszczyk HPIPE_G1_SET_0_G1_TX_AMP_ADJ_OFFSET; 5520ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_MASK; 55342a29337SGrzegorz Jaszczyk data |= sata_static_values->g1_emph << 55442a29337SGrzegorz Jaszczyk HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET; 5550ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_EN_MASK; 55642a29337SGrzegorz Jaszczyk data |= sata_static_values->g1_emph_en << 55742a29337SGrzegorz Jaszczyk HPIPE_G1_SET_0_G1_TX_EMPH1_EN_OFFSET; 5580ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, data, mask); 5590ade8cd8SKonstantin Porotchkin 56042a29337SGrzegorz Jaszczyk /* Set G1 emph */ 56142a29337SGrzegorz Jaszczyk mask = HPIPE_G1_SET_2_G1_TX_EMPH0_EN_MASK; 56242a29337SGrzegorz Jaszczyk data = sata_static_values->g1_tx_emph_en << 56342a29337SGrzegorz Jaszczyk HPIPE_G1_SET_2_G1_TX_EMPH0_EN_OFFSET; 56442a29337SGrzegorz Jaszczyk mask |= HPIPE_G1_SET_2_G1_TX_EMPH0_MASK; 56542a29337SGrzegorz Jaszczyk data |= sata_static_values->g1_tx_emph << 56642a29337SGrzegorz Jaszczyk HPIPE_G1_SET_2_G1_TX_EMPH0_OFFSET; 56742a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_G1_SET_2_REG, data, mask); 56842a29337SGrzegorz Jaszczyk 5690ade8cd8SKonstantin Porotchkin /* Set G2 TX amplitude and TX post emphasis value */ 5700ade8cd8SKonstantin Porotchkin mask = HPIPE_G2_SET_0_G2_TX_AMP_MASK; 57142a29337SGrzegorz Jaszczyk data = sata_static_values->g2_amp << HPIPE_G2_SET_0_G2_TX_AMP_OFFSET; 5720ade8cd8SKonstantin Porotchkin mask |= HPIPE_G2_SET_0_G2_TX_AMP_ADJ_MASK; 57342a29337SGrzegorz Jaszczyk data |= sata_static_values->g2_tx_amp_adj << 57442a29337SGrzegorz Jaszczyk HPIPE_G2_SET_0_G2_TX_AMP_ADJ_OFFSET; 5750ade8cd8SKonstantin Porotchkin mask |= HPIPE_G2_SET_0_G2_TX_EMPH1_MASK; 57642a29337SGrzegorz Jaszczyk data |= sata_static_values->g2_emph << 57742a29337SGrzegorz Jaszczyk HPIPE_G2_SET_0_G2_TX_EMPH1_OFFSET; 5780ade8cd8SKonstantin Porotchkin mask |= HPIPE_G2_SET_0_G2_TX_EMPH1_EN_MASK; 57942a29337SGrzegorz Jaszczyk data |= sata_static_values->g2_emph_en << 58042a29337SGrzegorz Jaszczyk HPIPE_G2_SET_0_G2_TX_EMPH1_EN_OFFSET; 5810ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G2_SET_0_REG, data, mask); 5820ade8cd8SKonstantin Porotchkin 58342a29337SGrzegorz Jaszczyk /* Set G2 emph */ 58442a29337SGrzegorz Jaszczyk mask = HPIPE_G2_SET_2_G2_TX_EMPH0_EN_MASK; 58542a29337SGrzegorz Jaszczyk data = sata_static_values->g2_tx_emph_en << 58642a29337SGrzegorz Jaszczyk HPIPE_G2_SET_2_G2_TX_EMPH0_EN_OFFSET; 58742a29337SGrzegorz Jaszczyk mask |= HPIPE_G2_SET_2_G2_TX_EMPH0_MASK; 58842a29337SGrzegorz Jaszczyk data |= sata_static_values->g2_tx_emph << 58942a29337SGrzegorz Jaszczyk HPIPE_G2_SET_2_G2_TX_EMPH0_OFFSET; 59042a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_G2_SET_2_REG, data, mask); 59142a29337SGrzegorz Jaszczyk 5920ade8cd8SKonstantin Porotchkin /* Set G3 TX amplitude and TX post emphasis value */ 5930ade8cd8SKonstantin Porotchkin mask = HPIPE_G3_SET_0_G3_TX_AMP_MASK; 59442a29337SGrzegorz Jaszczyk data = sata_static_values->g3_amp << HPIPE_G3_SET_0_G3_TX_AMP_OFFSET; 5950ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_SET_0_G3_TX_AMP_ADJ_MASK; 59642a29337SGrzegorz Jaszczyk data |= sata_static_values->g3_tx_amp_adj << 59742a29337SGrzegorz Jaszczyk HPIPE_G3_SET_0_G3_TX_AMP_ADJ_OFFSET; 5980ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_SET_0_G3_TX_EMPH1_MASK; 59942a29337SGrzegorz Jaszczyk data |= sata_static_values->g3_emph << 60042a29337SGrzegorz Jaszczyk HPIPE_G3_SET_0_G3_TX_EMPH1_OFFSET; 6010ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_SET_0_G3_TX_EMPH1_EN_MASK; 60242a29337SGrzegorz Jaszczyk data |= sata_static_values->g3_emph_en << 60342a29337SGrzegorz Jaszczyk HPIPE_G3_SET_0_G3_TX_EMPH1_EN_OFFSET; 6040ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_SET_0_G3_TX_SLEW_RATE_SEL_MASK; 6050ade8cd8SKonstantin Porotchkin data |= 0x4 << HPIPE_G3_SET_0_G3_TX_SLEW_RATE_SEL_OFFSET; 6060ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_SET_0_G3_TX_SLEW_CTRL_EN_MASK; 6070ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_G3_SET_0_G3_TX_SLEW_CTRL_EN_OFFSET; 6080ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G3_SET_0_REG, data, mask); 6090ade8cd8SKonstantin Porotchkin 61042a29337SGrzegorz Jaszczyk /* Set G3 emph */ 61142a29337SGrzegorz Jaszczyk mask = HPIPE_G3_SET_2_G3_TX_EMPH0_EN_MASK; 61242a29337SGrzegorz Jaszczyk data = sata_static_values->g3_tx_emph_en << 61342a29337SGrzegorz Jaszczyk HPIPE_G3_SET_2_G3_TX_EMPH0_EN_OFFSET; 61442a29337SGrzegorz Jaszczyk mask |= HPIPE_G3_SET_2_G3_TX_EMPH0_MASK; 61542a29337SGrzegorz Jaszczyk data |= sata_static_values->g3_tx_emph << 61642a29337SGrzegorz Jaszczyk HPIPE_G3_SET_2_G3_TX_EMPH0_OFFSET; 61742a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_G3_SET_2_REG, data, mask); 61842a29337SGrzegorz Jaszczyk 6190ade8cd8SKonstantin Porotchkin /* SERDES External Configuration 2 register */ 6200ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG2_SSC_ENABLE_MASK; 6210ade8cd8SKonstantin Porotchkin data = 0x1 << SD_EXTERNAL_CONFIG2_SSC_ENABLE_OFFSET; 6220ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, data, mask); 6230ade8cd8SKonstantin Porotchkin 6240ade8cd8SKonstantin Porotchkin /* DFE reset sequence */ 6250ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PWR_CTR_REG, 6260ade8cd8SKonstantin Porotchkin 0x1 << HPIPE_PWR_CTR_RST_DFE_OFFSET, 6270ade8cd8SKonstantin Porotchkin HPIPE_PWR_CTR_RST_DFE_MASK); 6280ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PWR_CTR_REG, 6290ade8cd8SKonstantin Porotchkin 0x0 << HPIPE_PWR_CTR_RST_DFE_OFFSET, 6300ade8cd8SKonstantin Porotchkin HPIPE_PWR_CTR_RST_DFE_MASK); 6310ade8cd8SKonstantin Porotchkin /* SW reset for interrupt logic */ 6320ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PWR_CTR_REG, 6330ade8cd8SKonstantin Porotchkin 0x1 << HPIPE_PWR_CTR_SFT_RST_OFFSET, 6340ade8cd8SKonstantin Porotchkin HPIPE_PWR_CTR_SFT_RST_MASK); 6350ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PWR_CTR_REG, 6360ade8cd8SKonstantin Porotchkin 0x0 << HPIPE_PWR_CTR_SFT_RST_OFFSET, 6370ade8cd8SKonstantin Porotchkin HPIPE_PWR_CTR_SFT_RST_MASK); 6380ade8cd8SKonstantin Porotchkin 6390ade8cd8SKonstantin Porotchkin debug_exit(); 6400ade8cd8SKonstantin Porotchkin 6410ade8cd8SKonstantin Porotchkin return ret; 6420ade8cd8SKonstantin Porotchkin } 6430ade8cd8SKonstantin Porotchkin 6440ade8cd8SKonstantin Porotchkin static int mvebu_cp110_comphy_sgmii_power_on(uint64_t comphy_base, 6450ade8cd8SKonstantin Porotchkin uint8_t comphy_index, uint32_t comphy_mode) 6460ade8cd8SKonstantin Porotchkin { 6470ade8cd8SKonstantin Porotchkin uintptr_t hpipe_addr, sd_ip_addr, comphy_addr, addr; 6480ade8cd8SKonstantin Porotchkin uint32_t mask, data, sgmii_speed = COMPHY_GET_SPEED(comphy_mode); 6490ade8cd8SKonstantin Porotchkin int ret = 0; 6500ade8cd8SKonstantin Porotchkin 6510ade8cd8SKonstantin Porotchkin debug_enter(); 6520ade8cd8SKonstantin Porotchkin 6530ade8cd8SKonstantin Porotchkin hpipe_addr = HPIPE_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 6540ade8cd8SKonstantin Porotchkin comphy_index); 6550ade8cd8SKonstantin Porotchkin sd_ip_addr = SD_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 6560ade8cd8SKonstantin Porotchkin comphy_index); 6570ade8cd8SKonstantin Porotchkin comphy_addr = COMPHY_ADDR(comphy_base, comphy_index); 6580ade8cd8SKonstantin Porotchkin 6590ade8cd8SKonstantin Porotchkin /* configure phy selector for SGMII */ 6600ade8cd8SKonstantin Porotchkin mvebu_cp110_comphy_set_phy_selector(comphy_base, comphy_index, 6610ade8cd8SKonstantin Porotchkin comphy_mode); 6620ade8cd8SKonstantin Porotchkin 6630ade8cd8SKonstantin Porotchkin /* Confiugre the lane */ 6640ade8cd8SKonstantin Porotchkin debug("stage: RFU configurations - hard reset comphy\n"); 6650ade8cd8SKonstantin Porotchkin /* RFU configurations - hard reset comphy */ 6660ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_CFG1_PWR_UP_MASK; 6670ade8cd8SKonstantin Porotchkin data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; 6680ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; 6690ade8cd8SKonstantin Porotchkin data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; 6700ade8cd8SKonstantin Porotchkin reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); 6710ade8cd8SKonstantin Porotchkin 6720ade8cd8SKonstantin Porotchkin /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */ 6730ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; 6740ade8cd8SKonstantin Porotchkin data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; 6750ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK; 6760ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK; 6770ade8cd8SKonstantin Porotchkin 6780ade8cd8SKonstantin Porotchkin if (sgmii_speed == COMPHY_SPEED_1_25G) { 6790ade8cd8SKonstantin Porotchkin /* SGMII 1G, SerDes speed 1.25G */ 6800ade8cd8SKonstantin Porotchkin data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET; 6810ade8cd8SKonstantin Porotchkin data |= 0x6 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET; 6820ade8cd8SKonstantin Porotchkin } else if (sgmii_speed == COMPHY_SPEED_3_125G) { 6830ade8cd8SKonstantin Porotchkin /* HS SGMII (2.5G), SerDes speed 3.125G */ 6840ade8cd8SKonstantin Porotchkin data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET; 6850ade8cd8SKonstantin Porotchkin data |= 0x8 << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET; 6860ade8cd8SKonstantin Porotchkin } else { 6870ade8cd8SKonstantin Porotchkin /* Other rates are not supported */ 6880ade8cd8SKonstantin Porotchkin ERROR("unsupported SGMII speed on comphy%d\n", comphy_index); 6890ade8cd8SKonstantin Porotchkin return -EINVAL; 6900ade8cd8SKonstantin Porotchkin } 6910ade8cd8SKonstantin Porotchkin 6920ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; 6930ade8cd8SKonstantin Porotchkin data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; 6940ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; 6950ade8cd8SKonstantin Porotchkin data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; 6960ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK; 6970ade8cd8SKonstantin Porotchkin data |= 1 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET; 6980ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); 6990ade8cd8SKonstantin Porotchkin 7000ade8cd8SKonstantin Porotchkin /* Set hard reset */ 7010ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; 7020ade8cd8SKonstantin Porotchkin data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; 7030ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; 7040ade8cd8SKonstantin Porotchkin data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; 7050ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; 7060ade8cd8SKonstantin Porotchkin data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; 7070ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); 7080ade8cd8SKonstantin Porotchkin 7090ade8cd8SKonstantin Porotchkin /* Release hard reset */ 7100ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; 7110ade8cd8SKonstantin Porotchkin data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; 7120ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; 7130ade8cd8SKonstantin Porotchkin data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; 7140ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); 7150ade8cd8SKonstantin Porotchkin 7160ade8cd8SKonstantin Porotchkin /* Wait 1ms - until band gap and ref clock ready */ 7170ade8cd8SKonstantin Porotchkin mdelay(1); 7180ade8cd8SKonstantin Porotchkin 7190ade8cd8SKonstantin Porotchkin /* Make sure that 40 data bits is disabled 7200ade8cd8SKonstantin Porotchkin * This bit is not cleared by reset 7210ade8cd8SKonstantin Porotchkin */ 7220ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_CFG6_IF_40_SEL_MASK; 7230ade8cd8SKonstantin Porotchkin data = 0 << COMMON_PHY_CFG6_IF_40_SEL_OFFSET; 7240ade8cd8SKonstantin Porotchkin reg_set(comphy_addr + COMMON_PHY_CFG6_REG, data, mask); 7250ade8cd8SKonstantin Porotchkin 7260ade8cd8SKonstantin Porotchkin /* Start comphy Configuration */ 7270ade8cd8SKonstantin Porotchkin debug("stage: Comphy configuration\n"); 7280ade8cd8SKonstantin Porotchkin /* set reference clock */ 7290ade8cd8SKonstantin Porotchkin mask = HPIPE_MISC_REFCLK_SEL_MASK; 7300ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET; 7310ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask); 7320ade8cd8SKonstantin Porotchkin /* Power and PLL Control */ 7330ade8cd8SKonstantin Porotchkin mask = HPIPE_PWR_PLL_REF_FREQ_MASK; 7340ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; 7350ade8cd8SKonstantin Porotchkin mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; 7360ade8cd8SKonstantin Porotchkin data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; 7370ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); 7380ade8cd8SKonstantin Porotchkin /* Loopback register */ 7390ade8cd8SKonstantin Porotchkin mask = HPIPE_LOOPBACK_SEL_MASK; 7400ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET; 7410ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask); 7420ade8cd8SKonstantin Porotchkin /* rx control 1 */ 7430ade8cd8SKonstantin Porotchkin mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK; 7440ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET; 7450ade8cd8SKonstantin Porotchkin mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK; 7460ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET; 7470ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask); 7480ade8cd8SKonstantin Porotchkin /* DTL Control */ 7490ade8cd8SKonstantin Porotchkin mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK; 7500ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET; 7510ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask); 7520ade8cd8SKonstantin Porotchkin 75342a29337SGrzegorz Jaszczyk /* Set analog parameters from ETP(HW) - for now use the default data */ 7540ade8cd8SKonstantin Porotchkin debug("stage: Analog parameters from ETP(HW)\n"); 7550ade8cd8SKonstantin Porotchkin 7560ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, 7570ade8cd8SKonstantin Porotchkin 0x1 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET, 7580ade8cd8SKonstantin Porotchkin HPIPE_G1_SET_0_G1_TX_EMPH1_MASK); 7590ade8cd8SKonstantin Porotchkin 7600ade8cd8SKonstantin Porotchkin debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n"); 7610ade8cd8SKonstantin Porotchkin /* SERDES External Configuration */ 7620ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; 7630ade8cd8SKonstantin Porotchkin data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; 7640ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; 7650ade8cd8SKonstantin Porotchkin data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; 7660ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; 7670ade8cd8SKonstantin Porotchkin data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; 7680ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); 7690ade8cd8SKonstantin Porotchkin 7700ade8cd8SKonstantin Porotchkin ret = mvebu_cp110_comphy_is_pll_locked(comphy_base, comphy_index); 7710ade8cd8SKonstantin Porotchkin if (ret) 7720ade8cd8SKonstantin Porotchkin return ret; 7730ade8cd8SKonstantin Porotchkin 7740ade8cd8SKonstantin Porotchkin /* RX init */ 7750ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK; 7760ade8cd8SKonstantin Porotchkin data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET; 7770ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); 7780ade8cd8SKonstantin Porotchkin 7790ade8cd8SKonstantin Porotchkin /* check that RX init done */ 7800ade8cd8SKonstantin Porotchkin addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; 7810ade8cd8SKonstantin Porotchkin data = SD_EXTERNAL_STATUS0_RX_INIT_MASK; 7820ade8cd8SKonstantin Porotchkin mask = data; 7830ade8cd8SKonstantin Porotchkin data = polling_with_timeout(addr, data, mask, 100, REG_32BIT); 7840ade8cd8SKonstantin Porotchkin if (data != 0) { 7850ade8cd8SKonstantin Porotchkin ERROR("RX init failed\n"); 7860ade8cd8SKonstantin Porotchkin ret = -ETIMEDOUT; 7870ade8cd8SKonstantin Porotchkin } 7880ade8cd8SKonstantin Porotchkin 7890ade8cd8SKonstantin Porotchkin debug("stage: RF Reset\n"); 7900ade8cd8SKonstantin Porotchkin /* RF Reset */ 7910ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK; 7920ade8cd8SKonstantin Porotchkin data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET; 7930ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; 7940ade8cd8SKonstantin Porotchkin data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; 7950ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); 7960ade8cd8SKonstantin Porotchkin 7970ade8cd8SKonstantin Porotchkin debug_exit(); 7980ade8cd8SKonstantin Porotchkin 7990ade8cd8SKonstantin Porotchkin return ret; 8000ade8cd8SKonstantin Porotchkin } 8010ade8cd8SKonstantin Porotchkin 8020ade8cd8SKonstantin Porotchkin static int mvebu_cp110_comphy_xfi_power_on(uint64_t comphy_base, 8030ade8cd8SKonstantin Porotchkin uint8_t comphy_index, 8040ade8cd8SKonstantin Porotchkin uint32_t comphy_mode) 8050ade8cd8SKonstantin Porotchkin { 8060ade8cd8SKonstantin Porotchkin uintptr_t hpipe_addr, sd_ip_addr, comphy_addr, addr; 8070ade8cd8SKonstantin Porotchkin uint32_t mask, data, speed = COMPHY_GET_SPEED(comphy_mode); 8080ade8cd8SKonstantin Porotchkin int ret = 0; 80942a29337SGrzegorz Jaszczyk uint8_t ap_nr, cp_nr; 8100ade8cd8SKonstantin Porotchkin 8110ade8cd8SKonstantin Porotchkin debug_enter(); 8120ade8cd8SKonstantin Porotchkin 81342a29337SGrzegorz Jaszczyk mvebu_cp110_get_ap_and_cp_nr(&ap_nr, &cp_nr, comphy_base); 81442a29337SGrzegorz Jaszczyk 81542a29337SGrzegorz Jaszczyk if (rx_trainng_done[ap_nr][cp_nr][comphy_index]) { 81642a29337SGrzegorz Jaszczyk debug("Skip %s for comphy[%d][%d][%d], due to rx training\n", 81742a29337SGrzegorz Jaszczyk __func__, ap_nr, cp_nr, comphy_index); 81842a29337SGrzegorz Jaszczyk return 0; 81942a29337SGrzegorz Jaszczyk } 82042a29337SGrzegorz Jaszczyk 82142a29337SGrzegorz Jaszczyk const struct xfi_params *xfi_static_values = 82242a29337SGrzegorz Jaszczyk &xfi_static_values_tab[ap_nr][cp_nr][comphy_index]; 82342a29337SGrzegorz Jaszczyk 82442a29337SGrzegorz Jaszczyk debug("%s: the ap_nr = %d, cp_nr = %d, comphy_index %d\n", 82542a29337SGrzegorz Jaszczyk __func__, ap_nr, cp_nr, comphy_index); 82642a29337SGrzegorz Jaszczyk 82742a29337SGrzegorz Jaszczyk debug("g1_ffe_cap_sel= 0x%x, g1_ffe_res_sel= 0x%x, g1_dfe_res= 0x%x\n", 82842a29337SGrzegorz Jaszczyk xfi_static_values->g1_ffe_cap_sel, 82942a29337SGrzegorz Jaszczyk xfi_static_values->g1_ffe_res_sel, 83042a29337SGrzegorz Jaszczyk xfi_static_values->g1_dfe_res); 83142a29337SGrzegorz Jaszczyk 83242a29337SGrzegorz Jaszczyk if (!xfi_static_values->valid) { 83342a29337SGrzegorz Jaszczyk ERROR("[ap%d][cp[%d][comphy:%d]: Has no valid static params\n", 83442a29337SGrzegorz Jaszczyk ap_nr, cp_nr, comphy_index); 83542a29337SGrzegorz Jaszczyk ERROR("[ap%d][cp[%d][comphy:%d]: porting layer needs update\n", 83642a29337SGrzegorz Jaszczyk ap_nr, cp_nr, comphy_index); 83742a29337SGrzegorz Jaszczyk return -EINVAL; 83842a29337SGrzegorz Jaszczyk } 83942a29337SGrzegorz Jaszczyk 8400ade8cd8SKonstantin Porotchkin if ((speed != COMPHY_SPEED_5_15625G) && 8410ade8cd8SKonstantin Porotchkin (speed != COMPHY_SPEED_10_3125G) && 8420ade8cd8SKonstantin Porotchkin (speed != COMPHY_SPEED_DEFAULT)) { 8430ade8cd8SKonstantin Porotchkin ERROR("comphy:%d: unsupported sfi/xfi speed\n", comphy_index); 8440ade8cd8SKonstantin Porotchkin return -EINVAL; 8450ade8cd8SKonstantin Porotchkin } 8460ade8cd8SKonstantin Porotchkin 8470ade8cd8SKonstantin Porotchkin hpipe_addr = HPIPE_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 8480ade8cd8SKonstantin Porotchkin comphy_index); 8490ade8cd8SKonstantin Porotchkin sd_ip_addr = SD_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 8500ade8cd8SKonstantin Porotchkin comphy_index); 8510ade8cd8SKonstantin Porotchkin comphy_addr = COMPHY_ADDR(comphy_base, comphy_index); 8520ade8cd8SKonstantin Porotchkin 8530ade8cd8SKonstantin Porotchkin /* configure phy selector for XFI/SFI */ 8540ade8cd8SKonstantin Porotchkin mvebu_cp110_comphy_set_phy_selector(comphy_base, comphy_index, 8550ade8cd8SKonstantin Porotchkin comphy_mode); 8560ade8cd8SKonstantin Porotchkin 8570ade8cd8SKonstantin Porotchkin debug("stage: RFU configurations - hard reset comphy\n"); 8580ade8cd8SKonstantin Porotchkin /* RFU configurations - hard reset comphy */ 8590ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_CFG1_PWR_UP_MASK; 8600ade8cd8SKonstantin Porotchkin data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; 8610ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; 8620ade8cd8SKonstantin Porotchkin data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; 8630ade8cd8SKonstantin Porotchkin reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); 8640ade8cd8SKonstantin Porotchkin 8650ade8cd8SKonstantin Porotchkin /* Make sure that 40 data bits is disabled 8660ade8cd8SKonstantin Porotchkin * This bit is not cleared by reset 8670ade8cd8SKonstantin Porotchkin */ 8680ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_CFG6_IF_40_SEL_MASK; 8690ade8cd8SKonstantin Porotchkin data = 0 << COMMON_PHY_CFG6_IF_40_SEL_OFFSET; 8700ade8cd8SKonstantin Porotchkin reg_set(comphy_addr + COMMON_PHY_CFG6_REG, data, mask); 8710ade8cd8SKonstantin Porotchkin 8720ade8cd8SKonstantin Porotchkin /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */ 8730ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; 8740ade8cd8SKonstantin Porotchkin data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; 8750ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK; 8760ade8cd8SKonstantin Porotchkin data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET; 8770ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK; 8780ade8cd8SKonstantin Porotchkin data |= 0xE << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET; 8790ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; 8800ade8cd8SKonstantin Porotchkin data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; 8810ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; 8820ade8cd8SKonstantin Porotchkin data |= 0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; 8830ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK; 8840ade8cd8SKonstantin Porotchkin data |= 0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET; 8850ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); 8860ade8cd8SKonstantin Porotchkin 8870ade8cd8SKonstantin Porotchkin /* release from hard reset */ 8880ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; 8890ade8cd8SKonstantin Porotchkin data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; 8900ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; 8910ade8cd8SKonstantin Porotchkin data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; 8920ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; 8930ade8cd8SKonstantin Porotchkin data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; 8940ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); 8950ade8cd8SKonstantin Porotchkin 8960ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; 8970ade8cd8SKonstantin Porotchkin data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; 8980ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; 8990ade8cd8SKonstantin Porotchkin data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; 9000ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); 9010ade8cd8SKonstantin Porotchkin 9020ade8cd8SKonstantin Porotchkin /* Wait 1ms - until band gap and ref clock ready */ 9030ade8cd8SKonstantin Porotchkin mdelay(1); 9040ade8cd8SKonstantin Porotchkin 9050ade8cd8SKonstantin Porotchkin /* Start comphy Configuration */ 9060ade8cd8SKonstantin Porotchkin debug("stage: Comphy configuration\n"); 9070ade8cd8SKonstantin Porotchkin /* set reference clock */ 9080ade8cd8SKonstantin Porotchkin mask = HPIPE_MISC_ICP_FORCE_MASK; 9090ade8cd8SKonstantin Porotchkin data = (speed == COMPHY_SPEED_5_15625G) ? 9100ade8cd8SKonstantin Porotchkin (0x0 << HPIPE_MISC_ICP_FORCE_OFFSET) : 9110ade8cd8SKonstantin Porotchkin (0x1 << HPIPE_MISC_ICP_FORCE_OFFSET); 9120ade8cd8SKonstantin Porotchkin mask |= HPIPE_MISC_REFCLK_SEL_MASK; 9130ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET; 9140ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask); 9150ade8cd8SKonstantin Porotchkin /* Power and PLL Control */ 9160ade8cd8SKonstantin Porotchkin mask = HPIPE_PWR_PLL_REF_FREQ_MASK; 9170ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; 9180ade8cd8SKonstantin Porotchkin mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; 9190ade8cd8SKonstantin Porotchkin data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; 9200ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); 9210ade8cd8SKonstantin Porotchkin /* Loopback register */ 9220ade8cd8SKonstantin Porotchkin mask = HPIPE_LOOPBACK_SEL_MASK; 9230ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_LOOPBACK_SEL_OFFSET; 9240ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, data, mask); 9250ade8cd8SKonstantin Porotchkin /* rx control 1 */ 9260ade8cd8SKonstantin Porotchkin mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK; 9270ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET; 9280ade8cd8SKonstantin Porotchkin mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK; 9290ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET; 9300ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask); 9310ade8cd8SKonstantin Porotchkin /* DTL Control */ 9320ade8cd8SKonstantin Porotchkin mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK; 9330ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET; 9340ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask); 9350ade8cd8SKonstantin Porotchkin 9360ade8cd8SKonstantin Porotchkin /* Transmitter/Receiver Speed Divider Force */ 9370ade8cd8SKonstantin Porotchkin if (speed == COMPHY_SPEED_5_15625G) { 9380ade8cd8SKonstantin Porotchkin mask = HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_MASK; 9390ade8cd8SKonstantin Porotchkin data = 1 << HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_OFFSET; 9400ade8cd8SKonstantin Porotchkin mask |= HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_FORCE_MASK; 9410ade8cd8SKonstantin Porotchkin data |= 1 << HPIPE_SPD_DIV_FORCE_RX_SPD_DIV_FORCE_OFFSET; 9420ade8cd8SKonstantin Porotchkin mask |= HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_MASK; 9430ade8cd8SKonstantin Porotchkin data |= 1 << HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_OFFSET; 9440ade8cd8SKonstantin Porotchkin mask |= HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_FORCE_MASK; 9450ade8cd8SKonstantin Porotchkin data |= 1 << HPIPE_SPD_DIV_FORCE_TX_SPD_DIV_FORCE_OFFSET; 9460ade8cd8SKonstantin Porotchkin } else { 9470ade8cd8SKonstantin Porotchkin mask = HPIPE_TXDIGCK_DIV_FORCE_MASK; 9480ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_TXDIGCK_DIV_FORCE_OFFSET; 9490ade8cd8SKonstantin Porotchkin } 9500ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_SPD_DIV_FORCE_REG, data, mask); 9510ade8cd8SKonstantin Porotchkin 9520ade8cd8SKonstantin Porotchkin /* Set analog parameters from ETP(HW) */ 9530ade8cd8SKonstantin Porotchkin debug("stage: Analog parameters from ETP(HW)\n"); 9540ade8cd8SKonstantin Porotchkin /* SERDES External Configuration 2 */ 9550ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK; 9560ade8cd8SKonstantin Porotchkin data = 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET; 9570ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, data, mask); 9580ade8cd8SKonstantin Porotchkin /* 0x7-DFE Resolution control */ 9590ade8cd8SKonstantin Porotchkin mask = HPIPE_DFE_RES_FORCE_MASK; 9600ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET; 9610ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask); 9620ade8cd8SKonstantin Porotchkin /* 0xd-G1_Setting_0 */ 9630ade8cd8SKonstantin Porotchkin if (speed == COMPHY_SPEED_5_15625G) { 9640ade8cd8SKonstantin Porotchkin mask = HPIPE_G1_SET_0_G1_TX_EMPH1_MASK; 9650ade8cd8SKonstantin Porotchkin data = 0x6 << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET; 9660ade8cd8SKonstantin Porotchkin } else { 9670ade8cd8SKonstantin Porotchkin mask = HPIPE_G1_SET_0_G1_TX_AMP_MASK; 96842a29337SGrzegorz Jaszczyk data = xfi_static_values->g1_amp << 96942a29337SGrzegorz Jaszczyk HPIPE_G1_SET_0_G1_TX_AMP_OFFSET; 9700ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_MASK; 97142a29337SGrzegorz Jaszczyk data |= xfi_static_values->g1_emph << 97242a29337SGrzegorz Jaszczyk HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET; 97342a29337SGrzegorz Jaszczyk 97442a29337SGrzegorz Jaszczyk mask |= HPIPE_G1_SET_0_G1_TX_EMPH1_EN_MASK; 97542a29337SGrzegorz Jaszczyk data |= xfi_static_values->g1_emph_en << 97642a29337SGrzegorz Jaszczyk HPIPE_G1_SET_0_G1_TX_EMPH1_EN_OFFSET; 97742a29337SGrzegorz Jaszczyk mask |= HPIPE_G1_SET_0_G1_TX_AMP_ADJ_MASK; 97842a29337SGrzegorz Jaszczyk data |= xfi_static_values->g1_tx_amp_adj << 97942a29337SGrzegorz Jaszczyk HPIPE_G1_SET_0_G1_TX_AMP_ADJ_OFFSET; 9800ade8cd8SKonstantin Porotchkin } 9810ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, data, mask); 9820ade8cd8SKonstantin Porotchkin /* Genration 1 setting 2 (G1_Setting_2) */ 9830ade8cd8SKonstantin Porotchkin mask = HPIPE_G1_SET_2_G1_TX_EMPH0_MASK; 98442a29337SGrzegorz Jaszczyk data = xfi_static_values->g1_tx_emph << 98542a29337SGrzegorz Jaszczyk HPIPE_G1_SET_2_G1_TX_EMPH0_OFFSET; 9860ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SET_2_G1_TX_EMPH0_EN_MASK; 98742a29337SGrzegorz Jaszczyk data |= xfi_static_values->g1_tx_emph_en << 98842a29337SGrzegorz Jaszczyk HPIPE_G1_SET_2_G1_TX_EMPH0_EN_OFFSET; 9890ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G1_SET_2_REG, data, mask); 9900ade8cd8SKonstantin Porotchkin /* Transmitter Slew Rate Control register (tx_reg1) */ 9910ade8cd8SKonstantin Porotchkin mask = HPIPE_TX_REG1_TX_EMPH_RES_MASK; 9920ade8cd8SKonstantin Porotchkin data = 0x3 << HPIPE_TX_REG1_TX_EMPH_RES_OFFSET; 9930ade8cd8SKonstantin Porotchkin mask |= HPIPE_TX_REG1_SLC_EN_MASK; 9940ade8cd8SKonstantin Porotchkin data |= 0x3f << HPIPE_TX_REG1_SLC_EN_OFFSET; 9950ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_TX_REG1_REG, data, mask); 9960ade8cd8SKonstantin Porotchkin /* Impedance Calibration Control register (cal_reg1) */ 9970ade8cd8SKonstantin Porotchkin mask = HPIPE_CAL_REG_1_EXT_TXIMP_MASK; 9980ade8cd8SKonstantin Porotchkin data = 0xe << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET; 9990ade8cd8SKonstantin Porotchkin mask |= HPIPE_CAL_REG_1_EXT_TXIMP_EN_MASK; 10000ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_CAL_REG_1_EXT_TXIMP_EN_OFFSET; 10010ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_CAL_REG1_REG, data, mask); 10020ade8cd8SKonstantin Porotchkin /* Generation 1 Setting 5 (g1_setting_5) */ 10030ade8cd8SKonstantin Porotchkin mask = HPIPE_G1_SETTING_5_G1_ICP_MASK; 10040ade8cd8SKonstantin Porotchkin data = 0 << HPIPE_CAL_REG_1_EXT_TXIMP_OFFSET; 10050ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G1_SETTING_5_REG, data, mask); 10060ade8cd8SKonstantin Porotchkin 10070ade8cd8SKonstantin Porotchkin /* 0xE-G1_Setting_1 */ 10080ade8cd8SKonstantin Porotchkin mask = HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK; 10090ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET; 10100ade8cd8SKonstantin Porotchkin if (speed == COMPHY_SPEED_5_15625G) { 10110ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK; 10120ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET; 10133c0024ccSGrzegorz Jaszczyk mask |= HPIPE_G1_SET_1_G1_RX_SELMUPF_MASK; 10143c0024ccSGrzegorz Jaszczyk data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPF_OFFSET; 10150ade8cd8SKonstantin Porotchkin } else { 10160ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK; 101742a29337SGrzegorz Jaszczyk data |= xfi_static_values->g1_rx_selmupi << 101842a29337SGrzegorz Jaszczyk HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET; 10193c0024ccSGrzegorz Jaszczyk mask |= HPIPE_G1_SET_1_G1_RX_SELMUPF_MASK; 102042a29337SGrzegorz Jaszczyk data |= xfi_static_values->g1_rx_selmupf << 102142a29337SGrzegorz Jaszczyk HPIPE_G1_SET_1_G1_RX_SELMUPF_OFFSET; 10220ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SET_1_G1_RX_SELMUFI_MASK; 102342a29337SGrzegorz Jaszczyk data |= xfi_static_values->g1_rx_selmufi << 102442a29337SGrzegorz Jaszczyk HPIPE_G1_SET_1_G1_RX_SELMUFI_OFFSET; 10250ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SET_1_G1_RX_SELMUFF_MASK; 102642a29337SGrzegorz Jaszczyk data |= xfi_static_values->g1_rx_selmuff << 102742a29337SGrzegorz Jaszczyk HPIPE_G1_SET_1_G1_RX_SELMUFF_OFFSET; 10280ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_MASK; 10290ade8cd8SKonstantin Porotchkin data |= 0x3 << HPIPE_G1_SET_1_G1_RX_DIGCK_DIV_OFFSET; 10300ade8cd8SKonstantin Porotchkin } 10310ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask); 10320ade8cd8SKonstantin Porotchkin 10330ade8cd8SKonstantin Porotchkin /* 0xA-DFE_Reg3 */ 10340ade8cd8SKonstantin Porotchkin mask = HPIPE_DFE_F3_F5_DFE_EN_MASK; 10350ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET; 10360ade8cd8SKonstantin Porotchkin mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK; 10370ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET; 10380ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask); 10390ade8cd8SKonstantin Porotchkin 10400ade8cd8SKonstantin Porotchkin /* 0x111-G1_Setting_4 */ 10410ade8cd8SKonstantin Porotchkin mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK; 10420ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET; 10430ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask); 10440ade8cd8SKonstantin Porotchkin /* Genration 1 setting 3 (G1_Setting_3) */ 10450ade8cd8SKonstantin Porotchkin mask = HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_MASK; 10460ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_G1_SETTINGS_3_G1_FBCK_SEL_OFFSET; 10470ade8cd8SKonstantin Porotchkin if (speed == COMPHY_SPEED_5_15625G) { 10480ade8cd8SKonstantin Porotchkin /* Force FFE (Feed Forward Equalization) to 5G */ 10490ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_MASK; 10500ade8cd8SKonstantin Porotchkin data |= 0xf << HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_OFFSET; 10510ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_MASK; 10520ade8cd8SKonstantin Porotchkin data |= 0x4 << HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_OFFSET; 10530ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_MASK; 10540ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET; 10550ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask); 105642a29337SGrzegorz Jaszczyk } else { 105742a29337SGrzegorz Jaszczyk mask |= HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_MASK; 105842a29337SGrzegorz Jaszczyk data |= xfi_static_values->g1_ffe_cap_sel << 105942a29337SGrzegorz Jaszczyk HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_OFFSET; 106042a29337SGrzegorz Jaszczyk mask |= HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_MASK; 106142a29337SGrzegorz Jaszczyk data |= xfi_static_values->g1_ffe_res_sel << 106242a29337SGrzegorz Jaszczyk HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_OFFSET; 106342a29337SGrzegorz Jaszczyk mask |= HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_MASK; 106442a29337SGrzegorz Jaszczyk data |= 0x1 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET; 106542a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask); 106642a29337SGrzegorz Jaszczyk 106742a29337SGrzegorz Jaszczyk /* Use the value from CAL_OS_PH_EXT */ 106842a29337SGrzegorz Jaszczyk mask = HPIPE_CAL_RXCLKALIGN_90_EXT_EN_MASK; 106942a29337SGrzegorz Jaszczyk data = 1 << HPIPE_CAL_RXCLKALIGN_90_EXT_EN_OFFSET; 107042a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + 107142a29337SGrzegorz Jaszczyk HPIPE_RX_CLK_ALIGN90_AND_TX_IDLE_CALIB_CTRL_REG, 107242a29337SGrzegorz Jaszczyk data, mask); 107342a29337SGrzegorz Jaszczyk 107442a29337SGrzegorz Jaszczyk /* Update align90 */ 107542a29337SGrzegorz Jaszczyk mask = HPIPE_CAL_OS_PH_EXT_MASK; 107642a29337SGrzegorz Jaszczyk data = xfi_static_values->align90 << HPIPE_CAL_OS_PH_EXT_OFFSET; 107742a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + 107842a29337SGrzegorz Jaszczyk HPIPE_RX_CLK_ALIGN90_AND_TX_IDLE_CALIB_CTRL_REG, 107942a29337SGrzegorz Jaszczyk data, mask); 108042a29337SGrzegorz Jaszczyk 108142a29337SGrzegorz Jaszczyk /* Force DFE resolution (use gen table value) */ 108242a29337SGrzegorz Jaszczyk mask = HPIPE_DFE_RES_FORCE_MASK; 108342a29337SGrzegorz Jaszczyk data = 0x0 << HPIPE_DFE_RES_FORCE_OFFSET; 108442a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask); 108542a29337SGrzegorz Jaszczyk 108642a29337SGrzegorz Jaszczyk /* 0x111-G1 DFE_Setting_4 */ 108742a29337SGrzegorz Jaszczyk mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK; 108842a29337SGrzegorz Jaszczyk data = xfi_static_values->g1_dfe_res << 108942a29337SGrzegorz Jaszczyk HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET; 109042a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask); 109142a29337SGrzegorz Jaszczyk } 10920ade8cd8SKonstantin Porotchkin 10930ade8cd8SKonstantin Porotchkin /* Connfigure RX training timer */ 10940ade8cd8SKonstantin Porotchkin mask = HPIPE_RX_TRAIN_TIMER_MASK; 10950ade8cd8SKonstantin Porotchkin data = 0x13 << HPIPE_RX_TRAIN_TIMER_OFFSET; 10960ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_5_REG, data, mask); 10970ade8cd8SKonstantin Porotchkin 10980ade8cd8SKonstantin Porotchkin /* Enable TX train peak to peak hold */ 10990ade8cd8SKonstantin Porotchkin mask = HPIPE_TX_TRAIN_P2P_HOLD_MASK; 11000ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_TX_TRAIN_P2P_HOLD_OFFSET; 11010ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_0_REG, data, mask); 11020ade8cd8SKonstantin Porotchkin 11030ade8cd8SKonstantin Porotchkin /* Configure TX preset index */ 11040ade8cd8SKonstantin Porotchkin mask = HPIPE_TX_PRESET_INDEX_MASK; 11050ade8cd8SKonstantin Porotchkin data = 0x2 << HPIPE_TX_PRESET_INDEX_OFFSET; 11060ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_TX_PRESET_INDEX_REG, data, mask); 11070ade8cd8SKonstantin Porotchkin 11080ade8cd8SKonstantin Porotchkin /* Disable pattern lock lost timeout */ 11090ade8cd8SKonstantin Porotchkin mask = HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_MASK; 11100ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_OFFSET; 11110ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_3_REG, data, mask); 11120ade8cd8SKonstantin Porotchkin 11130ade8cd8SKonstantin Porotchkin /* Configure TX training pattern and TX training 16bit auto */ 11140ade8cd8SKonstantin Porotchkin mask = HPIPE_TX_TRAIN_16BIT_AUTO_EN_MASK; 11150ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_TX_TRAIN_16BIT_AUTO_EN_OFFSET; 11160ade8cd8SKonstantin Porotchkin mask |= HPIPE_TX_TRAIN_PAT_SEL_MASK; 11170ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_TX_TRAIN_PAT_SEL_OFFSET; 11180ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_TX_TRAIN_REG, data, mask); 11190ade8cd8SKonstantin Porotchkin 11200ade8cd8SKonstantin Porotchkin /* Configure Training patten number */ 11210ade8cd8SKonstantin Porotchkin mask = HPIPE_TRAIN_PAT_NUM_MASK; 11220ade8cd8SKonstantin Porotchkin data = 0x88 << HPIPE_TRAIN_PAT_NUM_OFFSET; 11230ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_0_REG, data, mask); 11240ade8cd8SKonstantin Porotchkin 11250ade8cd8SKonstantin Porotchkin /* Configure differencial manchester encoter to ethernet mode */ 11260ade8cd8SKonstantin Porotchkin mask = HPIPE_DME_ETHERNET_MODE_MASK; 11270ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_DME_ETHERNET_MODE_OFFSET; 11280ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_DME_REG, data, mask); 11290ade8cd8SKonstantin Porotchkin 11300ade8cd8SKonstantin Porotchkin /* Configure VDD Continuous Calibration */ 11310ade8cd8SKonstantin Porotchkin mask = HPIPE_CAL_VDD_CONT_MODE_MASK; 11320ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_CAL_VDD_CONT_MODE_OFFSET; 11330ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_VDD_CAL_0_REG, data, mask); 11340ade8cd8SKonstantin Porotchkin 11350ade8cd8SKonstantin Porotchkin /* Trigger sampler enable pulse (by toggleing the bit) */ 11360ade8cd8SKonstantin Porotchkin mask = HPIPE_RX_SAMPLER_OS_GAIN_MASK; 11370ade8cd8SKonstantin Porotchkin data = 0x3 << HPIPE_RX_SAMPLER_OS_GAIN_OFFSET; 11380ade8cd8SKonstantin Porotchkin mask |= HPIPE_SMAPLER_MASK; 11390ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_SMAPLER_OFFSET; 11400ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask); 11410ade8cd8SKonstantin Porotchkin mask = HPIPE_SMAPLER_MASK; 11420ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_SMAPLER_OFFSET; 11430ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask); 11440ade8cd8SKonstantin Porotchkin 11450ade8cd8SKonstantin Porotchkin /* Set External RX Regulator Control */ 11460ade8cd8SKonstantin Porotchkin mask = HPIPE_EXT_SELLV_RXSAMPL_MASK; 11470ade8cd8SKonstantin Porotchkin data = 0x1A << HPIPE_EXT_SELLV_RXSAMPL_OFFSET; 11480ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask); 11490ade8cd8SKonstantin Porotchkin 11500ade8cd8SKonstantin Porotchkin debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n"); 11510ade8cd8SKonstantin Porotchkin /* SERDES External Configuration */ 11520ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; 11530ade8cd8SKonstantin Porotchkin data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; 11540ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; 11550ade8cd8SKonstantin Porotchkin data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; 11560ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; 11570ade8cd8SKonstantin Porotchkin data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; 11580ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); 11590ade8cd8SKonstantin Porotchkin 11600ade8cd8SKonstantin Porotchkin /* check PLL rx & tx ready */ 11610ade8cd8SKonstantin Porotchkin addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; 11620ade8cd8SKonstantin Porotchkin data = SD_EXTERNAL_STATUS0_PLL_RX_MASK | 11630ade8cd8SKonstantin Porotchkin SD_EXTERNAL_STATUS0_PLL_TX_MASK; 11640ade8cd8SKonstantin Porotchkin mask = data; 11650ade8cd8SKonstantin Porotchkin data = polling_with_timeout(addr, data, mask, 11660ade8cd8SKonstantin Porotchkin PLL_LOCK_TIMEOUT, REG_32BIT); 11670ade8cd8SKonstantin Porotchkin if (data != 0) { 11680ade8cd8SKonstantin Porotchkin if (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK) 11690ade8cd8SKonstantin Porotchkin ERROR("RX PLL is not locked\n"); 11700ade8cd8SKonstantin Porotchkin if (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK) 11710ade8cd8SKonstantin Porotchkin ERROR("TX PLL is not locked\n"); 11720ade8cd8SKonstantin Porotchkin 11730ade8cd8SKonstantin Porotchkin ret = -ETIMEDOUT; 11740ade8cd8SKonstantin Porotchkin } 11750ade8cd8SKonstantin Porotchkin 11760ade8cd8SKonstantin Porotchkin /* RX init */ 11770ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK; 11780ade8cd8SKonstantin Porotchkin data = 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET; 11790ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); 11800ade8cd8SKonstantin Porotchkin 11810ade8cd8SKonstantin Porotchkin /* check that RX init done */ 11820ade8cd8SKonstantin Porotchkin addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; 11830ade8cd8SKonstantin Porotchkin data = SD_EXTERNAL_STATUS0_RX_INIT_MASK; 11840ade8cd8SKonstantin Porotchkin mask = data; 11850ade8cd8SKonstantin Porotchkin data = polling_with_timeout(addr, data, mask, 100, REG_32BIT); 11860ade8cd8SKonstantin Porotchkin if (data != 0) { 11870ade8cd8SKonstantin Porotchkin ERROR("RX init failed\n"); 11880ade8cd8SKonstantin Porotchkin ret = -ETIMEDOUT; 11890ade8cd8SKonstantin Porotchkin } 11900ade8cd8SKonstantin Porotchkin 11910ade8cd8SKonstantin Porotchkin debug("stage: RF Reset\n"); 11920ade8cd8SKonstantin Porotchkin /* RF Reset */ 11930ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK; 11940ade8cd8SKonstantin Porotchkin data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET; 11950ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; 11960ade8cd8SKonstantin Porotchkin data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; 11970ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); 11980ade8cd8SKonstantin Porotchkin 11990ade8cd8SKonstantin Porotchkin debug_exit(); 12000ade8cd8SKonstantin Porotchkin 12010ade8cd8SKonstantin Porotchkin return ret; 12020ade8cd8SKonstantin Porotchkin } 12030ade8cd8SKonstantin Porotchkin 12040ade8cd8SKonstantin Porotchkin static int mvebu_cp110_comphy_pcie_power_on(uint64_t comphy_base, 12050ade8cd8SKonstantin Porotchkin uint8_t comphy_index, uint32_t comphy_mode) 12060ade8cd8SKonstantin Porotchkin { 12070ade8cd8SKonstantin Porotchkin int ret = 0; 12080ade8cd8SKonstantin Porotchkin uint32_t reg, mask, data, pcie_width; 12090ade8cd8SKonstantin Porotchkin uint32_t clk_dir; 12100ade8cd8SKonstantin Porotchkin uintptr_t hpipe_addr, comphy_addr, addr; 12110ade8cd8SKonstantin Porotchkin _Bool clk_src = COMPHY_GET_CLK_SRC(comphy_mode); 121255df84f9SIgal Liberman _Bool called_from_uboot = COMPHY_GET_CALLER(comphy_mode); 121355df84f9SIgal Liberman 121455df84f9SIgal Liberman /* In Armada 8K DB boards, PCIe initialization can be executed 121555df84f9SIgal Liberman * only once (PCIe reset performed during chip power on and 121655df84f9SIgal Liberman * it cannot be executed via GPIO later). 121755df84f9SIgal Liberman * This means that power on can be executed only once, so let's 121855df84f9SIgal Liberman * mark if the caller is bootloader or Linux. 121955df84f9SIgal Liberman * If bootloader -> run power on. 122055df84f9SIgal Liberman * If Linux -> exit. 122155df84f9SIgal Liberman * 122255df84f9SIgal Liberman * TODO: In MacciatoBIN, PCIe reset is connected via GPIO, 122355df84f9SIgal Liberman * so after GPIO reset is added to Linux Kernel, it can be 122455df84f9SIgal Liberman * powered-on by Linux. 122555df84f9SIgal Liberman */ 122655df84f9SIgal Liberman if (!called_from_uboot) 122755df84f9SIgal Liberman return ret; 12280ade8cd8SKonstantin Porotchkin 12290ade8cd8SKonstantin Porotchkin hpipe_addr = HPIPE_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 12300ade8cd8SKonstantin Porotchkin comphy_index); 12310ade8cd8SKonstantin Porotchkin comphy_addr = COMPHY_ADDR(comphy_base, comphy_index); 12320ade8cd8SKonstantin Porotchkin pcie_width = COMPHY_GET_PCIE_WIDTH(comphy_mode); 12330ade8cd8SKonstantin Porotchkin 12340ade8cd8SKonstantin Porotchkin debug_enter(); 12350ade8cd8SKonstantin Porotchkin 12360ade8cd8SKonstantin Porotchkin spin_lock(&cp110_mac_reset_lock); 12370ade8cd8SKonstantin Porotchkin 12380ade8cd8SKonstantin Porotchkin reg = mmio_read_32(SYS_CTRL_FROM_COMPHY_ADDR(comphy_base) + 12390ade8cd8SKonstantin Porotchkin SYS_CTRL_UINIT_SOFT_RESET_REG); 12400ade8cd8SKonstantin Porotchkin switch (comphy_index) { 12410ade8cd8SKonstantin Porotchkin case COMPHY_LANE0: 12420ade8cd8SKonstantin Porotchkin reg |= PCIE_MAC_RESET_MASK_PORT0; 12430ade8cd8SKonstantin Porotchkin break; 12440ade8cd8SKonstantin Porotchkin case COMPHY_LANE4: 12450ade8cd8SKonstantin Porotchkin reg |= PCIE_MAC_RESET_MASK_PORT1; 12460ade8cd8SKonstantin Porotchkin break; 12470ade8cd8SKonstantin Porotchkin case COMPHY_LANE5: 12480ade8cd8SKonstantin Porotchkin reg |= PCIE_MAC_RESET_MASK_PORT2; 12490ade8cd8SKonstantin Porotchkin break; 12500ade8cd8SKonstantin Porotchkin } 12510ade8cd8SKonstantin Porotchkin 12520ade8cd8SKonstantin Porotchkin mmio_write_32(SYS_CTRL_FROM_COMPHY_ADDR(comphy_base) + 12530ade8cd8SKonstantin Porotchkin SYS_CTRL_UINIT_SOFT_RESET_REG, reg); 12540ade8cd8SKonstantin Porotchkin spin_unlock(&cp110_mac_reset_lock); 12550ade8cd8SKonstantin Porotchkin 12560ade8cd8SKonstantin Porotchkin /* Configure PIPE selector for PCIE */ 12570ade8cd8SKonstantin Porotchkin mvebu_cp110_comphy_set_pipe_selector(comphy_base, comphy_index, 12580ade8cd8SKonstantin Porotchkin comphy_mode); 12590ade8cd8SKonstantin Porotchkin 12600ade8cd8SKonstantin Porotchkin /* 12610ade8cd8SKonstantin Porotchkin * Read SAR (Sample-At-Reset) configuration for the PCIe clock 12620ade8cd8SKonstantin Porotchkin * direction. 12630ade8cd8SKonstantin Porotchkin * 12640ade8cd8SKonstantin Porotchkin * SerDes Lane 4/5 got the PCIe ref-clock #1, 12650ade8cd8SKonstantin Porotchkin * and SerDes Lane 0 got PCIe ref-clock #0 12660ade8cd8SKonstantin Porotchkin */ 12670ade8cd8SKonstantin Porotchkin reg = mmio_read_32(DFX_FROM_COMPHY_ADDR(comphy_base) + 12680ade8cd8SKonstantin Porotchkin SAR_STATUS_0_REG); 12690ade8cd8SKonstantin Porotchkin if (comphy_index == COMPHY_LANE4 || comphy_index == COMPHY_LANE5) 12700ade8cd8SKonstantin Porotchkin clk_dir = (reg & SAR_RST_PCIE1_CLOCK_CONFIG_CP1_MASK) >> 12710ade8cd8SKonstantin Porotchkin SAR_RST_PCIE1_CLOCK_CONFIG_CP1_OFFSET; 12720ade8cd8SKonstantin Porotchkin else 12730ade8cd8SKonstantin Porotchkin clk_dir = (reg & SAR_RST_PCIE0_CLOCK_CONFIG_CP1_MASK) >> 12740ade8cd8SKonstantin Porotchkin SAR_RST_PCIE0_CLOCK_CONFIG_CP1_OFFSET; 12750ade8cd8SKonstantin Porotchkin 12760ade8cd8SKonstantin Porotchkin debug("On lane %d\n", comphy_index); 12770ade8cd8SKonstantin Porotchkin debug("PCIe clock direction = %x\n", clk_dir); 12780ade8cd8SKonstantin Porotchkin debug("PCIe Width = %d\n", pcie_width); 12790ade8cd8SKonstantin Porotchkin 12800ade8cd8SKonstantin Porotchkin /* enable PCIe X4 and X2 */ 12810ade8cd8SKonstantin Porotchkin if (comphy_index == COMPHY_LANE0) { 12820ade8cd8SKonstantin Porotchkin if (pcie_width == PCIE_LNK_X4) { 12830ade8cd8SKonstantin Porotchkin data = 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X4_EN_OFFSET; 12840ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_SD_CTRL1_PCIE_X4_EN_MASK; 12850ade8cd8SKonstantin Porotchkin reg_set(comphy_base + COMMON_PHY_SD_CTRL1, 12860ade8cd8SKonstantin Porotchkin data, mask); 12870ade8cd8SKonstantin Porotchkin } else if (pcie_width == PCIE_LNK_X2) { 12880ade8cd8SKonstantin Porotchkin data = 0x1 << COMMON_PHY_SD_CTRL1_PCIE_X2_EN_OFFSET; 12890ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_SD_CTRL1_PCIE_X2_EN_MASK; 12900ade8cd8SKonstantin Porotchkin reg_set(comphy_base + COMMON_PHY_SD_CTRL1, data, mask); 12910ade8cd8SKonstantin Porotchkin } 12920ade8cd8SKonstantin Porotchkin } 12930ade8cd8SKonstantin Porotchkin 12940ade8cd8SKonstantin Porotchkin /* If PCIe clock is output and clock source from SerDes lane 5, 12950ade8cd8SKonstantin Porotchkin * need to configure the clock-source MUX. 12960ade8cd8SKonstantin Porotchkin * By default, the clock source is from lane 4 12970ade8cd8SKonstantin Porotchkin */ 12980ade8cd8SKonstantin Porotchkin if (clk_dir && clk_src && (comphy_index == COMPHY_LANE5)) { 12990ade8cd8SKonstantin Porotchkin data = DFX_DEV_GEN_PCIE_CLK_SRC_MUX << 13000ade8cd8SKonstantin Porotchkin DFX_DEV_GEN_PCIE_CLK_SRC_OFFSET; 13010ade8cd8SKonstantin Porotchkin mask = DFX_DEV_GEN_PCIE_CLK_SRC_MASK; 13020ade8cd8SKonstantin Porotchkin reg_set(DFX_FROM_COMPHY_ADDR(comphy_base) + 13030ade8cd8SKonstantin Porotchkin DFX_DEV_GEN_CTRL12_REG, data, mask); 13040ade8cd8SKonstantin Porotchkin } 13050ade8cd8SKonstantin Porotchkin 13060ade8cd8SKonstantin Porotchkin debug("stage: RFU configurations - hard reset comphy\n"); 13070ade8cd8SKonstantin Porotchkin /* RFU configurations - hard reset comphy */ 13080ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_CFG1_PWR_UP_MASK; 13090ade8cd8SKonstantin Porotchkin data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; 13100ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; 13110ade8cd8SKonstantin Porotchkin data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; 13120ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK; 13130ade8cd8SKonstantin Porotchkin data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; 13140ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; 13150ade8cd8SKonstantin Porotchkin data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; 13160ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_PHY_MODE_MASK; 13170ade8cd8SKonstantin Porotchkin data |= 0x0 << COMMON_PHY_PHY_MODE_OFFSET; 13180ade8cd8SKonstantin Porotchkin reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); 13190ade8cd8SKonstantin Porotchkin 13200ade8cd8SKonstantin Porotchkin /* release from hard reset */ 13210ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK; 13220ade8cd8SKonstantin Porotchkin data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; 13230ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; 13240ade8cd8SKonstantin Porotchkin data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; 13250ade8cd8SKonstantin Porotchkin reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); 13260ade8cd8SKonstantin Porotchkin 13270ade8cd8SKonstantin Porotchkin /* Wait 1ms - until band gap and ref clock ready */ 13280ade8cd8SKonstantin Porotchkin mdelay(1); 13290ade8cd8SKonstantin Porotchkin /* Start comphy Configuration */ 13300ade8cd8SKonstantin Porotchkin debug("stage: Comphy configuration\n"); 13310ade8cd8SKonstantin Porotchkin /* Set PIPE soft reset */ 13320ade8cd8SKonstantin Porotchkin mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK; 13330ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET; 13340ade8cd8SKonstantin Porotchkin /* Set PHY datapath width mode for V0 */ 13350ade8cd8SKonstantin Porotchkin mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK; 13360ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET; 13370ade8cd8SKonstantin Porotchkin /* Set Data bus width USB mode for V0 */ 13380ade8cd8SKonstantin Porotchkin mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK; 13390ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET; 13400ade8cd8SKonstantin Porotchkin /* Set CORE_CLK output frequency for 250Mhz */ 13410ade8cd8SKonstantin Porotchkin mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK; 13420ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET; 13430ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask); 13440ade8cd8SKonstantin Porotchkin /* Set PLL ready delay for 0x2 */ 13450ade8cd8SKonstantin Porotchkin data = 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET; 13460ade8cd8SKonstantin Porotchkin mask = HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK; 13470ade8cd8SKonstantin Porotchkin if (pcie_width != PCIE_LNK_X1) { 13480ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_OFFSET; 13490ade8cd8SKonstantin Porotchkin mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SEL_MASK; 13500ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_OFFSET; 13510ade8cd8SKonstantin Porotchkin mask |= HPIPE_CLK_SRC_LO_BUNDLE_PERIOD_SCALE_MASK; 13520ade8cd8SKonstantin Porotchkin } 13530ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG, data, mask); 13540ade8cd8SKonstantin Porotchkin 13550ade8cd8SKonstantin Porotchkin /* Set PIPE mode interface to PCIe3 - 0x1 & set lane order */ 13560ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_CLK_SRC_HI_MODE_PIPE_OFFSET; 13570ade8cd8SKonstantin Porotchkin mask = HPIPE_CLK_SRC_HI_MODE_PIPE_MASK; 13580ade8cd8SKonstantin Porotchkin if (pcie_width != PCIE_LNK_X1) { 13590ade8cd8SKonstantin Porotchkin mask |= HPIPE_CLK_SRC_HI_LANE_STRT_MASK; 13600ade8cd8SKonstantin Porotchkin mask |= HPIPE_CLK_SRC_HI_LANE_MASTER_MASK; 13610ade8cd8SKonstantin Porotchkin mask |= HPIPE_CLK_SRC_HI_LANE_BREAK_MASK; 13620ade8cd8SKonstantin Porotchkin if (comphy_index == 0) { 13630ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_STRT_OFFSET; 13640ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_MASTER_OFFSET; 13650ade8cd8SKonstantin Porotchkin } else if (comphy_index == (pcie_width - 1)) { 13660ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_CLK_SRC_HI_LANE_BREAK_OFFSET; 13670ade8cd8SKonstantin Porotchkin } 13680ade8cd8SKonstantin Porotchkin } 13690ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_CLK_SRC_HI_REG, data, mask); 13700ade8cd8SKonstantin Porotchkin /* Config update polarity equalization */ 13710ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_CFG_UPDATE_POLARITY_OFFSET; 13720ade8cd8SKonstantin Porotchkin mask = HPIPE_CFG_UPDATE_POLARITY_MASK; 13730ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_LANE_EQ_CFG1_REG, data, mask); 13740ade8cd8SKonstantin Porotchkin /* Set PIPE version 4 to mode enable */ 13750ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_DFE_CTRL_28_PIPE4_OFFSET; 13760ade8cd8SKonstantin Porotchkin mask = HPIPE_DFE_CTRL_28_PIPE4_MASK; 13770ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_DFE_CTRL_28_REG, data, mask); 13780ade8cd8SKonstantin Porotchkin /* TODO: check if pcie clock is output/input - for bringup use input*/ 13790ade8cd8SKonstantin Porotchkin /* Enable PIN clock 100M_125M */ 13800ade8cd8SKonstantin Porotchkin mask = 0; 13810ade8cd8SKonstantin Porotchkin data = 0; 13820ade8cd8SKonstantin Porotchkin /* Only if clock is output, configure the clock-source mux */ 13830ade8cd8SKonstantin Porotchkin if (clk_dir) { 13840ade8cd8SKonstantin Porotchkin mask |= HPIPE_MISC_CLK100M_125M_MASK; 13850ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_MISC_CLK100M_125M_OFFSET; 13860ade8cd8SKonstantin Porotchkin } 13870ade8cd8SKonstantin Porotchkin /* Set PIN_TXDCLK_2X Clock Freq. Selection for outputs 500MHz clock */ 13880ade8cd8SKonstantin Porotchkin mask |= HPIPE_MISC_TXDCLK_2X_MASK; 13890ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_MISC_TXDCLK_2X_OFFSET; 13900ade8cd8SKonstantin Porotchkin /* Enable 500MHz Clock */ 13910ade8cd8SKonstantin Porotchkin mask |= HPIPE_MISC_CLK500_EN_MASK; 13920ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_MISC_CLK500_EN_OFFSET; 13930ade8cd8SKonstantin Porotchkin if (clk_dir) { /* output */ 13940ade8cd8SKonstantin Porotchkin /* Set reference clock comes from group 1 */ 13950ade8cd8SKonstantin Porotchkin mask |= HPIPE_MISC_REFCLK_SEL_MASK; 13960ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET; 13970ade8cd8SKonstantin Porotchkin } else { 13980ade8cd8SKonstantin Porotchkin /* Set reference clock comes from group 2 */ 13990ade8cd8SKonstantin Porotchkin mask |= HPIPE_MISC_REFCLK_SEL_MASK; 14000ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_MISC_REFCLK_SEL_OFFSET; 14010ade8cd8SKonstantin Porotchkin } 14020ade8cd8SKonstantin Porotchkin mask |= HPIPE_MISC_ICP_FORCE_MASK; 14030ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_MISC_ICP_FORCE_OFFSET; 14040ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_MISC_REG, data, mask); 14050ade8cd8SKonstantin Porotchkin if (clk_dir) { /* output */ 14060ade8cd8SKonstantin Porotchkin /* Set reference frequcency select - 0x2 for 25MHz*/ 14070ade8cd8SKonstantin Porotchkin mask = HPIPE_PWR_PLL_REF_FREQ_MASK; 14080ade8cd8SKonstantin Porotchkin data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; 14090ade8cd8SKonstantin Porotchkin } else { 14100ade8cd8SKonstantin Porotchkin /* Set reference frequcency select - 0x0 for 100MHz*/ 14110ade8cd8SKonstantin Porotchkin mask = HPIPE_PWR_PLL_REF_FREQ_MASK; 14120ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; 14130ade8cd8SKonstantin Porotchkin } 14140ade8cd8SKonstantin Porotchkin /* Set PHY mode to PCIe */ 14150ade8cd8SKonstantin Porotchkin mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; 14160ade8cd8SKonstantin Porotchkin data |= 0x3 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; 14170ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); 14180ade8cd8SKonstantin Porotchkin 14190ade8cd8SKonstantin Porotchkin /* ref clock alignment */ 14200ade8cd8SKonstantin Porotchkin if (pcie_width != PCIE_LNK_X1) { 14210ade8cd8SKonstantin Porotchkin mask = HPIPE_LANE_ALIGN_OFF_MASK; 14220ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_LANE_ALIGN_OFF_OFFSET; 14230ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_LANE_ALIGN_REG, data, mask); 14240ade8cd8SKonstantin Porotchkin } 14250ade8cd8SKonstantin Porotchkin 14260ade8cd8SKonstantin Porotchkin /* Set the amount of time spent in the LoZ state - set for 0x7 only if 14270ade8cd8SKonstantin Porotchkin * the PCIe clock is output 14280ade8cd8SKonstantin Porotchkin */ 14290ade8cd8SKonstantin Porotchkin if (clk_dir) 14300ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL, 14310ade8cd8SKonstantin Porotchkin 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET, 14320ade8cd8SKonstantin Porotchkin HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK); 14330ade8cd8SKonstantin Porotchkin 14340ade8cd8SKonstantin Porotchkin /* Set Maximal PHY Generation Setting(8Gbps) */ 14350ade8cd8SKonstantin Porotchkin mask = HPIPE_INTERFACE_GEN_MAX_MASK; 14360ade8cd8SKonstantin Porotchkin data = 0x2 << HPIPE_INTERFACE_GEN_MAX_OFFSET; 14370ade8cd8SKonstantin Porotchkin /* Bypass frame detection and sync detection for RX DATA */ 14380ade8cd8SKonstantin Porotchkin mask |= HPIPE_INTERFACE_DET_BYPASS_MASK; 14390ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_INTERFACE_DET_BYPASS_OFFSET; 14400ade8cd8SKonstantin Porotchkin /* Set Link Train Mode (Tx training control pins are used) */ 14410ade8cd8SKonstantin Porotchkin mask |= HPIPE_INTERFACE_LINK_TRAIN_MASK; 14420ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_INTERFACE_LINK_TRAIN_OFFSET; 14430ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_INTERFACE_REG, data, mask); 14440ade8cd8SKonstantin Porotchkin 14450ade8cd8SKonstantin Porotchkin /* Set Idle_sync enable */ 14460ade8cd8SKonstantin Porotchkin mask = HPIPE_PCIE_IDLE_SYNC_MASK; 14470ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_PCIE_IDLE_SYNC_OFFSET; 14480ade8cd8SKonstantin Porotchkin /* Select bits for PCIE Gen3(32bit) */ 14490ade8cd8SKonstantin Porotchkin mask |= HPIPE_PCIE_SEL_BITS_MASK; 14500ade8cd8SKonstantin Porotchkin data |= 0x2 << HPIPE_PCIE_SEL_BITS_OFFSET; 14510ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PCIE_REG0, data, mask); 14520ade8cd8SKonstantin Porotchkin 14530ade8cd8SKonstantin Porotchkin /* Enable Tx_adapt_g1 */ 14540ade8cd8SKonstantin Porotchkin mask = HPIPE_TX_TRAIN_CTRL_G1_MASK; 14550ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_TX_TRAIN_CTRL_G1_OFFSET; 14560ade8cd8SKonstantin Porotchkin /* Enable Tx_adapt_gn1 */ 14570ade8cd8SKonstantin Porotchkin mask |= HPIPE_TX_TRAIN_CTRL_GN1_MASK; 14580ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_TX_TRAIN_CTRL_GN1_OFFSET; 14590ade8cd8SKonstantin Porotchkin /* Disable Tx_adapt_g0 */ 14600ade8cd8SKonstantin Porotchkin mask |= HPIPE_TX_TRAIN_CTRL_G0_MASK; 14610ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_TX_TRAIN_CTRL_G0_OFFSET; 14620ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask); 14630ade8cd8SKonstantin Porotchkin 14640ade8cd8SKonstantin Porotchkin /* Set reg_tx_train_chk_init */ 14650ade8cd8SKonstantin Porotchkin mask = HPIPE_TX_TRAIN_CHK_INIT_MASK; 14660ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_TX_TRAIN_CHK_INIT_OFFSET; 14670ade8cd8SKonstantin Porotchkin /* Enable TX_COE_FM_PIN_PCIE3_EN */ 14680ade8cd8SKonstantin Porotchkin mask |= HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_MASK; 14690ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_TX_TRAIN_COE_FM_PIN_PCIE3_OFFSET; 14700ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_TX_TRAIN_REG, data, mask); 14710ade8cd8SKonstantin Porotchkin 14720ade8cd8SKonstantin Porotchkin debug("stage: TRx training parameters\n"); 14730ade8cd8SKonstantin Porotchkin /* Set Preset sweep configurations */ 14740ade8cd8SKonstantin Porotchkin mask = HPIPE_TX_TX_STATUS_CHECK_MODE_MASK; 14750ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_TX_STATUS_CHECK_MODE_OFFSET; 14760ade8cd8SKonstantin Porotchkin mask |= HPIPE_TX_NUM_OF_PRESET_MASK; 14770ade8cd8SKonstantin Porotchkin data |= 0x7 << HPIPE_TX_NUM_OF_PRESET_OFFSET; 14780ade8cd8SKonstantin Porotchkin mask |= HPIPE_TX_SWEEP_PRESET_EN_MASK; 14790ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_TX_SWEEP_PRESET_EN_OFFSET; 14800ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_11_REG, data, mask); 14810ade8cd8SKonstantin Porotchkin 14820ade8cd8SKonstantin Porotchkin /* Tx train start configuration */ 14830ade8cd8SKonstantin Porotchkin mask = HPIPE_TX_TRAIN_START_SQ_EN_MASK; 14840ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_TX_TRAIN_START_SQ_EN_OFFSET; 14850ade8cd8SKonstantin Porotchkin mask |= HPIPE_TX_TRAIN_START_FRM_DET_EN_MASK; 14860ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_DET_EN_OFFSET; 14870ade8cd8SKonstantin Porotchkin mask |= HPIPE_TX_TRAIN_START_FRM_LOCK_EN_MASK; 14880ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_TX_TRAIN_START_FRM_LOCK_EN_OFFSET; 14890ade8cd8SKonstantin Porotchkin mask |= HPIPE_TX_TRAIN_WAIT_TIME_EN_MASK; 14900ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_TX_TRAIN_WAIT_TIME_EN_OFFSET; 14910ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_5_REG, data, mask); 14920ade8cd8SKonstantin Porotchkin 14930ade8cd8SKonstantin Porotchkin /* Enable Tx train P2P */ 14940ade8cd8SKonstantin Porotchkin mask = HPIPE_TX_TRAIN_P2P_HOLD_MASK; 14950ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_TX_TRAIN_P2P_HOLD_OFFSET; 14960ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_0_REG, data, mask); 14970ade8cd8SKonstantin Porotchkin 14980ade8cd8SKonstantin Porotchkin /* Configure Tx train timeout */ 14990ade8cd8SKonstantin Porotchkin mask = HPIPE_TRX_TRAIN_TIMER_MASK; 15000ade8cd8SKonstantin Porotchkin data = 0x17 << HPIPE_TRX_TRAIN_TIMER_OFFSET; 15010ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_4_REG, data, mask); 15020ade8cd8SKonstantin Porotchkin 15030ade8cd8SKonstantin Porotchkin /* Disable G0/G1/GN1 adaptation */ 15040ade8cd8SKonstantin Porotchkin mask = HPIPE_TX_TRAIN_CTRL_G1_MASK | HPIPE_TX_TRAIN_CTRL_GN1_MASK 15050ade8cd8SKonstantin Porotchkin | HPIPE_TX_TRAIN_CTRL_G0_OFFSET; 15060ade8cd8SKonstantin Porotchkin data = 0; 15070ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_TX_TRAIN_CTRL_REG, data, mask); 15080ade8cd8SKonstantin Porotchkin 15090ade8cd8SKonstantin Porotchkin /* Disable DTL frequency loop */ 15100ade8cd8SKonstantin Porotchkin mask = HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK; 15110ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET; 15120ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, data, mask); 15130ade8cd8SKonstantin Porotchkin 15140ade8cd8SKonstantin Porotchkin /* Configure G3 DFE */ 15150ade8cd8SKonstantin Porotchkin mask = HPIPE_G3_DFE_RES_MASK; 15160ade8cd8SKonstantin Porotchkin data = 0x3 << HPIPE_G3_DFE_RES_OFFSET; 15170ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G3_SETTING_4_REG, data, mask); 15180ade8cd8SKonstantin Porotchkin 15190ade8cd8SKonstantin Porotchkin /* Use TX/RX training result for DFE */ 15200ade8cd8SKonstantin Porotchkin mask = HPIPE_DFE_RES_FORCE_MASK; 15210ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_DFE_RES_FORCE_OFFSET; 15220ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask); 15230ade8cd8SKonstantin Porotchkin 15240ade8cd8SKonstantin Porotchkin /* Configure initial and final coefficient value for receiver */ 15250ade8cd8SKonstantin Porotchkin mask = HPIPE_G3_SET_1_G3_RX_SELMUPI_MASK; 15260ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_G3_SET_1_G3_RX_SELMUPI_OFFSET; 15270ade8cd8SKonstantin Porotchkin 15280ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_SET_1_G3_RX_SELMUPF_MASK; 15290ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_G3_SET_1_G3_RX_SELMUPF_OFFSET; 15300ade8cd8SKonstantin Porotchkin 15310ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_MASK; 15320ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_G3_SET_1_G3_SAMPLER_INPAIRX2_EN_OFFSET; 15330ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G3_SET_1_REG, data, mask); 15340ade8cd8SKonstantin Porotchkin 15350ade8cd8SKonstantin Porotchkin /* Trigger sampler enable pulse */ 15360ade8cd8SKonstantin Porotchkin mask = HPIPE_SMAPLER_MASK; 15370ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_SMAPLER_OFFSET; 15380ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, data, mask); 15390ade8cd8SKonstantin Porotchkin udelay(5); 15400ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_SAMPLER_N_PROC_CALIB_CTRL_REG, 0, mask); 15410ade8cd8SKonstantin Porotchkin 15420ade8cd8SKonstantin Porotchkin /* FFE resistor tuning for different bandwidth */ 15430ade8cd8SKonstantin Porotchkin mask = HPIPE_G3_FFE_DEG_RES_LEVEL_MASK; 15440ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_G3_FFE_DEG_RES_LEVEL_OFFSET; 15450ade8cd8SKonstantin Porotchkin mask |= HPIPE_G3_FFE_LOAD_RES_LEVEL_MASK; 15460ade8cd8SKonstantin Porotchkin data |= 0x3 << HPIPE_G3_FFE_LOAD_RES_LEVEL_OFFSET; 15470ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G3_SETTING_3_REG, data, mask); 15480ade8cd8SKonstantin Porotchkin 15490ade8cd8SKonstantin Porotchkin /* Pattern lock lost timeout disable */ 15500ade8cd8SKonstantin Porotchkin mask = HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_MASK; 15510ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_PATTERN_LOCK_LOST_TIMEOUT_EN_OFFSET; 15520ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_FRAME_DETECT_CTRL_3_REG, data, mask); 15530ade8cd8SKonstantin Porotchkin 15540ade8cd8SKonstantin Porotchkin /* Configure DFE adaptations */ 15550ade8cd8SKonstantin Porotchkin mask = HPIPE_CDR_RX_MAX_DFE_ADAPT_0_MASK; 15560ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_CDR_RX_MAX_DFE_ADAPT_0_OFFSET; 15570ade8cd8SKonstantin Porotchkin mask |= HPIPE_CDR_RX_MAX_DFE_ADAPT_1_MASK; 15580ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_CDR_RX_MAX_DFE_ADAPT_1_OFFSET; 15590ade8cd8SKonstantin Porotchkin mask |= HPIPE_CDR_MAX_DFE_ADAPT_0_MASK; 15600ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_CDR_MAX_DFE_ADAPT_0_OFFSET; 15610ade8cd8SKonstantin Porotchkin mask |= HPIPE_CDR_MAX_DFE_ADAPT_1_MASK; 15620ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_CDR_MAX_DFE_ADAPT_1_OFFSET; 15630ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_CDR_CONTROL_REG, data, mask); 15640ade8cd8SKonstantin Porotchkin 15650ade8cd8SKonstantin Porotchkin mask = HPIPE_DFE_TX_MAX_DFE_ADAPT_MASK; 15660ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_DFE_TX_MAX_DFE_ADAPT_OFFSET; 15670ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_DFE_CONTROL_REG, data, mask); 15680ade8cd8SKonstantin Porotchkin 15690ade8cd8SKonstantin Porotchkin /* Genration 2 setting 1*/ 15700ade8cd8SKonstantin Porotchkin mask = HPIPE_G2_SET_1_G2_RX_SELMUPI_MASK; 15710ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUPI_OFFSET; 15723c0024ccSGrzegorz Jaszczyk mask |= HPIPE_G2_SET_1_G2_RX_SELMUPF_MASK; 15733c0024ccSGrzegorz Jaszczyk data |= 0x1 << HPIPE_G2_SET_1_G2_RX_SELMUPF_OFFSET; 15740ade8cd8SKonstantin Porotchkin mask |= HPIPE_G2_SET_1_G2_RX_SELMUFI_MASK; 15750ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_G2_SET_1_G2_RX_SELMUFI_OFFSET; 15760ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G2_SET_1_REG, data, mask); 15770ade8cd8SKonstantin Porotchkin 15780ade8cd8SKonstantin Porotchkin /* DFE enable */ 15790ade8cd8SKonstantin Porotchkin mask = HPIPE_G2_DFE_RES_MASK; 15800ade8cd8SKonstantin Porotchkin data = 0x3 << HPIPE_G2_DFE_RES_OFFSET; 15810ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G2_SETTINGS_4_REG, data, mask); 15820ade8cd8SKonstantin Porotchkin 15830ade8cd8SKonstantin Porotchkin /* Configure DFE Resolution */ 15840ade8cd8SKonstantin Porotchkin mask = HPIPE_LANE_CFG4_DFE_EN_SEL_MASK; 15850ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_LANE_CFG4_DFE_EN_SEL_OFFSET; 15860ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask); 15870ade8cd8SKonstantin Porotchkin 15880ade8cd8SKonstantin Porotchkin /* VDD calibration control */ 15890ade8cd8SKonstantin Porotchkin mask = HPIPE_EXT_SELLV_RXSAMPL_MASK; 15900ade8cd8SKonstantin Porotchkin data = 0x16 << HPIPE_EXT_SELLV_RXSAMPL_OFFSET; 15910ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_VDD_CAL_CTRL_REG, data, mask); 15920ade8cd8SKonstantin Porotchkin 15930ade8cd8SKonstantin Porotchkin /* Set PLL Charge-pump Current Control */ 15940ade8cd8SKonstantin Porotchkin mask = HPIPE_G3_SETTING_5_G3_ICP_MASK; 15950ade8cd8SKonstantin Porotchkin data = 0x4 << HPIPE_G3_SETTING_5_G3_ICP_OFFSET; 15960ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G3_SETTING_5_REG, data, mask); 15970ade8cd8SKonstantin Porotchkin 15980ade8cd8SKonstantin Porotchkin /* Set lane rqualization remote setting */ 15990ade8cd8SKonstantin Porotchkin mask = HPIPE_LANE_CFG_FOM_DIRN_OVERRIDE_MASK; 16000ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_LANE_CFG_FOM_DIRN_OVERRIDE_OFFSET; 16010ade8cd8SKonstantin Porotchkin mask |= HPIPE_LANE_CFG_FOM_ONLY_MODE_MASK; 16020ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_LANE_CFG_FOM_ONLY_MODE_OFFFSET; 16030ade8cd8SKonstantin Porotchkin mask |= HPIPE_LANE_CFG_FOM_PRESET_VECTOR_MASK; 16040ade8cd8SKonstantin Porotchkin data |= 0x6 << HPIPE_LANE_CFG_FOM_PRESET_VECTOR_OFFSET; 16050ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_LANE_EQ_REMOTE_SETTING_REG, data, mask); 16060ade8cd8SKonstantin Porotchkin 16070ade8cd8SKonstantin Porotchkin mask = HPIPE_CFG_EQ_BUNDLE_DIS_MASK; 16080ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_CFG_EQ_BUNDLE_DIS_OFFSET; 16090ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_LANE_EQ_CFG2_REG, data, mask); 16100ade8cd8SKonstantin Porotchkin 16110ade8cd8SKonstantin Porotchkin debug("stage: Comphy power up\n"); 16120ade8cd8SKonstantin Porotchkin 16130ade8cd8SKonstantin Porotchkin /* For PCIe X4 or X2: 16140ade8cd8SKonstantin Porotchkin * release from reset only after finish to configure all lanes 16150ade8cd8SKonstantin Porotchkin */ 16160ade8cd8SKonstantin Porotchkin if ((pcie_width == PCIE_LNK_X1) || (comphy_index == (pcie_width - 1))) { 16170ade8cd8SKonstantin Porotchkin uint32_t i, start_lane, end_lane; 16180ade8cd8SKonstantin Porotchkin 16190ade8cd8SKonstantin Porotchkin if (pcie_width != PCIE_LNK_X1) { 16200ade8cd8SKonstantin Porotchkin /* allows writing to all lanes in one write */ 16210ade8cd8SKonstantin Porotchkin data = 0x0; 16220ade8cd8SKonstantin Porotchkin if (pcie_width == PCIE_LNK_X2) 16230ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_SD_CTRL1_COMPHY_0_1_PORT_MASK; 16240ade8cd8SKonstantin Porotchkin else if (pcie_width == PCIE_LNK_X4) 16250ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_SD_CTRL1_COMPHY_0_3_PORT_MASK; 16260ade8cd8SKonstantin Porotchkin reg_set(comphy_base + COMMON_PHY_SD_CTRL1, data, mask); 16270ade8cd8SKonstantin Porotchkin start_lane = 0; 16280ade8cd8SKonstantin Porotchkin end_lane = pcie_width; 16290ade8cd8SKonstantin Porotchkin 16300ade8cd8SKonstantin Porotchkin /* Release from PIPE soft reset 16310ade8cd8SKonstantin Porotchkin * For PCIe by4 or by2: 16320ade8cd8SKonstantin Porotchkin * release from soft reset all lanes - can't use 16330ade8cd8SKonstantin Porotchkin * read modify write 16340ade8cd8SKonstantin Porotchkin */ 16350ade8cd8SKonstantin Porotchkin reg_set(HPIPE_ADDR( 16360ade8cd8SKonstantin Porotchkin COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 0) + 16370ade8cd8SKonstantin Porotchkin HPIPE_RST_CLK_CTRL_REG, 0x24, 0xffffffff); 16380ade8cd8SKonstantin Porotchkin } else { 16390ade8cd8SKonstantin Porotchkin start_lane = comphy_index; 16400ade8cd8SKonstantin Porotchkin end_lane = comphy_index + 1; 16410ade8cd8SKonstantin Porotchkin 16420ade8cd8SKonstantin Porotchkin /* Release from PIPE soft reset 16430ade8cd8SKonstantin Porotchkin * for PCIe by4 or by2: 16440ade8cd8SKonstantin Porotchkin * release from soft reset all lanes 16450ade8cd8SKonstantin Porotchkin */ 16460ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, 16470ade8cd8SKonstantin Porotchkin 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET, 16480ade8cd8SKonstantin Porotchkin HPIPE_RST_CLK_CTRL_PIPE_RST_MASK); 16490ade8cd8SKonstantin Porotchkin } 16500ade8cd8SKonstantin Porotchkin 16510ade8cd8SKonstantin Porotchkin if (pcie_width != PCIE_LNK_X1) { 16520ade8cd8SKonstantin Porotchkin /* disable writing to all lanes with one write */ 16530ade8cd8SKonstantin Porotchkin if (pcie_width == PCIE_LNK_X2) { 16540ade8cd8SKonstantin Porotchkin data = (COMPHY_LANE0 << 16550ade8cd8SKonstantin Porotchkin COMMON_PHY_SD_CTRL1_COMPHY_0_PORT_OFFSET) | 16560ade8cd8SKonstantin Porotchkin (COMPHY_LANE1 << 16570ade8cd8SKonstantin Porotchkin COMMON_PHY_SD_CTRL1_COMPHY_1_PORT_OFFSET); 16580ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_SD_CTRL1_COMPHY_0_1_PORT_MASK; 16590ade8cd8SKonstantin Porotchkin } else if (pcie_width == PCIE_LNK_X4) { 16600ade8cd8SKonstantin Porotchkin data = (COMPHY_LANE0 << 16610ade8cd8SKonstantin Porotchkin COMMON_PHY_SD_CTRL1_COMPHY_0_PORT_OFFSET) | 16620ade8cd8SKonstantin Porotchkin (COMPHY_LANE1 << 16630ade8cd8SKonstantin Porotchkin COMMON_PHY_SD_CTRL1_COMPHY_1_PORT_OFFSET) | 16640ade8cd8SKonstantin Porotchkin (COMPHY_LANE2 << 16650ade8cd8SKonstantin Porotchkin COMMON_PHY_SD_CTRL1_COMPHY_2_PORT_OFFSET) | 16660ade8cd8SKonstantin Porotchkin (COMPHY_LANE3 << 16670ade8cd8SKonstantin Porotchkin COMMON_PHY_SD_CTRL1_COMPHY_3_PORT_OFFSET); 16680ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_SD_CTRL1_COMPHY_0_3_PORT_MASK; 16690ade8cd8SKonstantin Porotchkin } 16700ade8cd8SKonstantin Porotchkin reg_set(comphy_base + COMMON_PHY_SD_CTRL1, 16710ade8cd8SKonstantin Porotchkin data, mask); 16720ade8cd8SKonstantin Porotchkin } 16730ade8cd8SKonstantin Porotchkin 16740ade8cd8SKonstantin Porotchkin debug("stage: Check PLL\n"); 16750ade8cd8SKonstantin Porotchkin /* Read lane status */ 16760ade8cd8SKonstantin Porotchkin for (i = start_lane; i < end_lane; i++) { 16770ade8cd8SKonstantin Porotchkin addr = HPIPE_ADDR( 16780ade8cd8SKonstantin Porotchkin COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), i) + 16790ade8cd8SKonstantin Porotchkin HPIPE_LANE_STATUS1_REG; 16800ade8cd8SKonstantin Porotchkin data = HPIPE_LANE_STATUS1_PCLK_EN_MASK; 16810ade8cd8SKonstantin Porotchkin mask = data; 16820ade8cd8SKonstantin Porotchkin ret = polling_with_timeout(addr, data, mask, 16830ade8cd8SKonstantin Porotchkin PLL_LOCK_TIMEOUT, 16840ade8cd8SKonstantin Porotchkin REG_32BIT); 16850ade8cd8SKonstantin Porotchkin if (ret) 16860ade8cd8SKonstantin Porotchkin ERROR("Failed to lock PCIE PLL\n"); 16870ade8cd8SKonstantin Porotchkin } 16880ade8cd8SKonstantin Porotchkin } 16890ade8cd8SKonstantin Porotchkin 16900ade8cd8SKonstantin Porotchkin debug_exit(); 16910ade8cd8SKonstantin Porotchkin 16920ade8cd8SKonstantin Porotchkin return ret; 16930ade8cd8SKonstantin Porotchkin } 16940ade8cd8SKonstantin Porotchkin 16950ade8cd8SKonstantin Porotchkin static int mvebu_cp110_comphy_rxaui_power_on(uint64_t comphy_base, 16960ade8cd8SKonstantin Porotchkin uint8_t comphy_index, uint32_t comphy_mode) 16970ade8cd8SKonstantin Porotchkin { 16980ade8cd8SKonstantin Porotchkin uintptr_t hpipe_addr, sd_ip_addr, comphy_addr, addr; 16990ade8cd8SKonstantin Porotchkin uint32_t mask, data; 17000ade8cd8SKonstantin Porotchkin int ret = 0; 17010ade8cd8SKonstantin Porotchkin 17020ade8cd8SKonstantin Porotchkin debug_enter(); 17030ade8cd8SKonstantin Porotchkin 17040ade8cd8SKonstantin Porotchkin hpipe_addr = HPIPE_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 17050ade8cd8SKonstantin Porotchkin comphy_index); 17060ade8cd8SKonstantin Porotchkin comphy_addr = COMPHY_ADDR(comphy_base, comphy_index); 17070ade8cd8SKonstantin Porotchkin sd_ip_addr = SD_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 17080ade8cd8SKonstantin Porotchkin comphy_index); 17090ade8cd8SKonstantin Porotchkin 17100ade8cd8SKonstantin Porotchkin /* configure phy selector for RXAUI */ 17110ade8cd8SKonstantin Porotchkin mvebu_cp110_comphy_set_phy_selector(comphy_base, comphy_index, 17120ade8cd8SKonstantin Porotchkin comphy_mode); 17130ade8cd8SKonstantin Porotchkin 17140ade8cd8SKonstantin Porotchkin /* RFU configurations - hard reset comphy */ 17150ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_CFG1_PWR_UP_MASK; 17160ade8cd8SKonstantin Porotchkin data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; 17170ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; 17180ade8cd8SKonstantin Porotchkin data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; 17190ade8cd8SKonstantin Porotchkin reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); 17200ade8cd8SKonstantin Porotchkin 17210ade8cd8SKonstantin Porotchkin if (comphy_index == 2) { 17220ade8cd8SKonstantin Porotchkin reg_set(comphy_base + COMMON_PHY_SD_CTRL1, 17230ade8cd8SKonstantin Porotchkin 0x1 << COMMON_PHY_SD_CTRL1_RXAUI0_OFFSET, 17240ade8cd8SKonstantin Porotchkin COMMON_PHY_SD_CTRL1_RXAUI0_MASK); 17250ade8cd8SKonstantin Porotchkin } 17260ade8cd8SKonstantin Porotchkin if (comphy_index == 4) { 17270ade8cd8SKonstantin Porotchkin reg_set(comphy_base + COMMON_PHY_SD_CTRL1, 17280ade8cd8SKonstantin Porotchkin 0x1 << COMMON_PHY_SD_CTRL1_RXAUI1_OFFSET, 17290ade8cd8SKonstantin Porotchkin COMMON_PHY_SD_CTRL1_RXAUI1_MASK); 17300ade8cd8SKonstantin Porotchkin } 17310ade8cd8SKonstantin Porotchkin 17320ade8cd8SKonstantin Porotchkin /* Select Baud Rate of Comphy And PD_PLL/Tx/Rx */ 17330ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; 17340ade8cd8SKonstantin Porotchkin data = 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; 17350ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_MASK; 17360ade8cd8SKonstantin Porotchkin data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_RX_OFFSET; 17370ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_MASK; 17380ade8cd8SKonstantin Porotchkin data |= 0xB << SD_EXTERNAL_CONFIG0_SD_PHY_GEN_TX_OFFSET; 17390ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; 17400ade8cd8SKonstantin Porotchkin data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; 17410ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; 17420ade8cd8SKonstantin Porotchkin data |= 0x0 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; 17430ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_MASK; 17440ade8cd8SKonstantin Porotchkin data |= 0x0 << SD_EXTERNAL_CONFIG0_HALF_BUS_MODE_OFFSET; 17450ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_MEDIA_MODE_MASK; 17460ade8cd8SKonstantin Porotchkin data |= 0x1 << SD_EXTERNAL_CONFIG0_MEDIA_MODE_OFFSET; 17470ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); 17480ade8cd8SKonstantin Porotchkin 17490ade8cd8SKonstantin Porotchkin /* release from hard reset */ 17500ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; 17510ade8cd8SKonstantin Porotchkin data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; 17520ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; 17530ade8cd8SKonstantin Porotchkin data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; 17540ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; 17550ade8cd8SKonstantin Porotchkin data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; 17560ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); 17570ade8cd8SKonstantin Porotchkin 17580ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; 17590ade8cd8SKonstantin Porotchkin data = 0x1 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; 17600ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; 17610ade8cd8SKonstantin Porotchkin data |= 0x1 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; 17620ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); 17630ade8cd8SKonstantin Porotchkin 17640ade8cd8SKonstantin Porotchkin /* Wait 1ms - until band gap and ref clock ready */ 17650ade8cd8SKonstantin Porotchkin mdelay(1); 17660ade8cd8SKonstantin Porotchkin 17670ade8cd8SKonstantin Porotchkin /* Start comphy Configuration */ 17680ade8cd8SKonstantin Porotchkin debug("stage: Comphy configuration\n"); 17690ade8cd8SKonstantin Porotchkin /* set reference clock */ 17700ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_MISC_REG, 17710ade8cd8SKonstantin Porotchkin 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET, 17720ade8cd8SKonstantin Porotchkin HPIPE_MISC_REFCLK_SEL_MASK); 17730ade8cd8SKonstantin Porotchkin /* Power and PLL Control */ 17740ade8cd8SKonstantin Porotchkin mask = HPIPE_PWR_PLL_REF_FREQ_MASK; 17750ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; 17760ade8cd8SKonstantin Porotchkin mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; 17770ade8cd8SKonstantin Porotchkin data |= 0x4 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; 17780ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); 17790ade8cd8SKonstantin Porotchkin /* Loopback register */ 17800ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, 17810ade8cd8SKonstantin Porotchkin 0x1 << HPIPE_LOOPBACK_SEL_OFFSET, HPIPE_LOOPBACK_SEL_MASK); 17820ade8cd8SKonstantin Porotchkin /* rx control 1 */ 17830ade8cd8SKonstantin Porotchkin mask = HPIPE_RX_CONTROL_1_RXCLK2X_SEL_MASK; 17840ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_RX_CONTROL_1_RXCLK2X_SEL_OFFSET; 17850ade8cd8SKonstantin Porotchkin mask |= HPIPE_RX_CONTROL_1_CLK8T_EN_MASK; 17860ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_RX_CONTROL_1_CLK8T_EN_OFFSET; 17870ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_RX_CONTROL_1_REG, data, mask); 17880ade8cd8SKonstantin Porotchkin /* DTL Control */ 17890ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PWR_CTR_DTL_REG, 17900ade8cd8SKonstantin Porotchkin 0x0 << HPIPE_PWR_CTR_DTL_FLOOP_EN_OFFSET, 17910ade8cd8SKonstantin Porotchkin HPIPE_PWR_CTR_DTL_FLOOP_EN_MASK); 17920ade8cd8SKonstantin Porotchkin 17930ade8cd8SKonstantin Porotchkin /* Set analog parameters from ETP(HW) */ 17940ade8cd8SKonstantin Porotchkin debug("stage: Analog parameters from ETP(HW)\n"); 17950ade8cd8SKonstantin Porotchkin /* SERDES External Configuration 2 */ 17960ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG2_REG, 17970ade8cd8SKonstantin Porotchkin 0x1 << SD_EXTERNAL_CONFIG2_PIN_DFE_EN_OFFSET, 17980ade8cd8SKonstantin Porotchkin SD_EXTERNAL_CONFIG2_PIN_DFE_EN_MASK); 17990ade8cd8SKonstantin Porotchkin /* 0x7-DFE Resolution control */ 18000ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_DFE_REG0, 0x1 << HPIPE_DFE_RES_FORCE_OFFSET, 18010ade8cd8SKonstantin Porotchkin HPIPE_DFE_RES_FORCE_MASK); 18020ade8cd8SKonstantin Porotchkin /* 0xd-G1_Setting_0 */ 18030ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G1_SET_0_REG, 18040ade8cd8SKonstantin Porotchkin 0xd << HPIPE_G1_SET_0_G1_TX_EMPH1_OFFSET, 18050ade8cd8SKonstantin Porotchkin HPIPE_G1_SET_0_G1_TX_EMPH1_MASK); 18060ade8cd8SKonstantin Porotchkin /* 0xE-G1_Setting_1 */ 18070ade8cd8SKonstantin Porotchkin mask = HPIPE_G1_SET_1_G1_RX_SELMUPI_MASK; 18080ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPI_OFFSET; 18093c0024ccSGrzegorz Jaszczyk mask |= HPIPE_G1_SET_1_G1_RX_SELMUPF_MASK; 18103c0024ccSGrzegorz Jaszczyk data |= 0x1 << HPIPE_G1_SET_1_G1_RX_SELMUPF_OFFSET; 18110ade8cd8SKonstantin Porotchkin mask |= HPIPE_G1_SET_1_G1_RX_DFE_EN_MASK; 18120ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_G1_SET_1_G1_RX_DFE_EN_OFFSET; 18130ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G1_SET_1_REG, data, mask); 18140ade8cd8SKonstantin Porotchkin /* 0xA-DFE_Reg3 */ 18150ade8cd8SKonstantin Porotchkin mask = HPIPE_DFE_F3_F5_DFE_EN_MASK; 18160ade8cd8SKonstantin Porotchkin data = 0x0 << HPIPE_DFE_F3_F5_DFE_EN_OFFSET; 18170ade8cd8SKonstantin Porotchkin mask |= HPIPE_DFE_F3_F5_DFE_CTRL_MASK; 18180ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_DFE_F3_F5_DFE_CTRL_OFFSET; 18190ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_DFE_F3_F5_REG, data, mask); 18200ade8cd8SKonstantin Porotchkin 18210ade8cd8SKonstantin Porotchkin /* 0x111-G1_Setting_4 */ 18220ade8cd8SKonstantin Porotchkin mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK; 18230ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET; 18240ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask); 18250ade8cd8SKonstantin Porotchkin 18260ade8cd8SKonstantin Porotchkin debug("stage: RFU configurations- Power Up PLL,Tx,Rx\n"); 18270ade8cd8SKonstantin Porotchkin /* SERDES External Configuration */ 18280ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG0_SD_PU_PLL_MASK; 18290ade8cd8SKonstantin Porotchkin data = 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_PLL_OFFSET; 18300ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PU_RX_MASK; 18310ade8cd8SKonstantin Porotchkin data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_RX_OFFSET; 18320ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG0_SD_PU_TX_MASK; 18330ade8cd8SKonstantin Porotchkin data |= 0x1 << SD_EXTERNAL_CONFIG0_SD_PU_TX_OFFSET; 18340ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG0_REG, data, mask); 18350ade8cd8SKonstantin Porotchkin 18360ade8cd8SKonstantin Porotchkin 18370ade8cd8SKonstantin Porotchkin /* check PLL rx & tx ready */ 18380ade8cd8SKonstantin Porotchkin addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; 18390ade8cd8SKonstantin Porotchkin data = SD_EXTERNAL_STATUS0_PLL_RX_MASK | 18400ade8cd8SKonstantin Porotchkin SD_EXTERNAL_STATUS0_PLL_TX_MASK; 18410ade8cd8SKonstantin Porotchkin mask = data; 18420ade8cd8SKonstantin Porotchkin data = polling_with_timeout(addr, data, mask, 15000, REG_32BIT); 18430ade8cd8SKonstantin Porotchkin if (data != 0) { 18440ade8cd8SKonstantin Porotchkin debug("Read from reg = %lx - value = 0x%x\n", 18450ade8cd8SKonstantin Porotchkin sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data); 18460ade8cd8SKonstantin Porotchkin ERROR("SD_EXTERNAL_STATUS0_PLL_RX is %d, -\"-_PLL_TX is %d\n", 18470ade8cd8SKonstantin Porotchkin (data & SD_EXTERNAL_STATUS0_PLL_RX_MASK), 18480ade8cd8SKonstantin Porotchkin (data & SD_EXTERNAL_STATUS0_PLL_TX_MASK)); 18490ade8cd8SKonstantin Porotchkin ret = -ETIMEDOUT; 18500ade8cd8SKonstantin Porotchkin } 18510ade8cd8SKonstantin Porotchkin 18520ade8cd8SKonstantin Porotchkin /* RX init */ 18530ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, 18540ade8cd8SKonstantin Porotchkin 0x1 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET, 18550ade8cd8SKonstantin Porotchkin SD_EXTERNAL_CONFIG1_RX_INIT_MASK); 18560ade8cd8SKonstantin Porotchkin 18570ade8cd8SKonstantin Porotchkin /* check that RX init done */ 18580ade8cd8SKonstantin Porotchkin addr = sd_ip_addr + SD_EXTERNAL_STATUS0_REG; 18590ade8cd8SKonstantin Porotchkin data = SD_EXTERNAL_STATUS0_RX_INIT_MASK; 18600ade8cd8SKonstantin Porotchkin mask = data; 18610ade8cd8SKonstantin Porotchkin data = polling_with_timeout(addr, data, mask, 100, REG_32BIT); 18620ade8cd8SKonstantin Porotchkin if (data != 0) { 18630ade8cd8SKonstantin Porotchkin debug("Read from reg = %lx - value = 0x%x\n", 18640ade8cd8SKonstantin Porotchkin sd_ip_addr + SD_EXTERNAL_STATUS0_REG, data); 18650ade8cd8SKonstantin Porotchkin ERROR("SD_EXTERNAL_STATUS0_RX_INIT is 0\n"); 18660ade8cd8SKonstantin Porotchkin ret = -ETIMEDOUT; 18670ade8cd8SKonstantin Porotchkin } 18680ade8cd8SKonstantin Porotchkin 18690ade8cd8SKonstantin Porotchkin debug("stage: RF Reset\n"); 18700ade8cd8SKonstantin Porotchkin /* RF Reset */ 18710ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG1_RX_INIT_MASK; 18720ade8cd8SKonstantin Porotchkin data = 0x0 << SD_EXTERNAL_CONFIG1_RX_INIT_OFFSET; 18730ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; 18740ade8cd8SKonstantin Porotchkin data |= 0x1 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; 18750ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); 18760ade8cd8SKonstantin Porotchkin 18770ade8cd8SKonstantin Porotchkin debug_exit(); 18780ade8cd8SKonstantin Porotchkin 18790ade8cd8SKonstantin Porotchkin return ret; 18800ade8cd8SKonstantin Porotchkin } 18810ade8cd8SKonstantin Porotchkin 18820ade8cd8SKonstantin Porotchkin static int mvebu_cp110_comphy_usb3_power_on(uint64_t comphy_base, 18830ade8cd8SKonstantin Porotchkin uint8_t comphy_index, uint32_t comphy_mode) 18840ade8cd8SKonstantin Porotchkin { 18850ade8cd8SKonstantin Porotchkin uintptr_t hpipe_addr, comphy_addr, addr; 18860ade8cd8SKonstantin Porotchkin uint32_t mask, data; 18870ade8cd8SKonstantin Porotchkin int ret = 0; 18880ade8cd8SKonstantin Porotchkin 18890ade8cd8SKonstantin Porotchkin debug_enter(); 18900ade8cd8SKonstantin Porotchkin 18910ade8cd8SKonstantin Porotchkin /* Configure PIPE selector for USB3 */ 18920ade8cd8SKonstantin Porotchkin mvebu_cp110_comphy_set_pipe_selector(comphy_base, comphy_index, 18930ade8cd8SKonstantin Porotchkin comphy_mode); 18940ade8cd8SKonstantin Porotchkin 18950ade8cd8SKonstantin Porotchkin hpipe_addr = HPIPE_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 18960ade8cd8SKonstantin Porotchkin comphy_index); 18970ade8cd8SKonstantin Porotchkin comphy_addr = COMPHY_ADDR(comphy_base, comphy_index); 18980ade8cd8SKonstantin Porotchkin 18990ade8cd8SKonstantin Porotchkin debug("stage: RFU configurations - hard reset comphy\n"); 19000ade8cd8SKonstantin Porotchkin /* RFU configurations - hard reset comphy */ 19010ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_CFG1_PWR_UP_MASK; 19020ade8cd8SKonstantin Porotchkin data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; 19030ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; 19040ade8cd8SKonstantin Porotchkin data |= 0x1 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; 19050ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_PWR_ON_RESET_MASK; 19060ade8cd8SKonstantin Porotchkin data |= 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; 19070ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; 19080ade8cd8SKonstantin Porotchkin data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; 19090ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_PHY_MODE_MASK; 19100ade8cd8SKonstantin Porotchkin data |= 0x1 << COMMON_PHY_PHY_MODE_OFFSET; 19110ade8cd8SKonstantin Porotchkin reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); 19120ade8cd8SKonstantin Porotchkin 19130ade8cd8SKonstantin Porotchkin /* release from hard reset */ 19140ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK; 19150ade8cd8SKonstantin Porotchkin data = 0x1 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; 19160ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; 19170ade8cd8SKonstantin Porotchkin data |= 0x1 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; 19180ade8cd8SKonstantin Porotchkin reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); 19190ade8cd8SKonstantin Porotchkin 19200ade8cd8SKonstantin Porotchkin /* Wait 1ms - until band gap and ref clock ready */ 19210ade8cd8SKonstantin Porotchkin mdelay(1); 19220ade8cd8SKonstantin Porotchkin 19230ade8cd8SKonstantin Porotchkin /* Start comphy Configuration */ 19240ade8cd8SKonstantin Porotchkin debug("stage: Comphy configuration\n"); 19250ade8cd8SKonstantin Porotchkin /* Set PIPE soft reset */ 19260ade8cd8SKonstantin Porotchkin mask = HPIPE_RST_CLK_CTRL_PIPE_RST_MASK; 19270ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET; 19280ade8cd8SKonstantin Porotchkin /* Set PHY datapath width mode for V0 */ 19290ade8cd8SKonstantin Porotchkin mask |= HPIPE_RST_CLK_CTRL_FIXED_PCLK_MASK; 19300ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_RST_CLK_CTRL_FIXED_PCLK_OFFSET; 19310ade8cd8SKonstantin Porotchkin /* Set Data bus width USB mode for V0 */ 19320ade8cd8SKonstantin Porotchkin mask |= HPIPE_RST_CLK_CTRL_PIPE_WIDTH_MASK; 19330ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_RST_CLK_CTRL_PIPE_WIDTH_OFFSET; 19340ade8cd8SKonstantin Porotchkin /* Set CORE_CLK output frequency for 250Mhz */ 19350ade8cd8SKonstantin Porotchkin mask |= HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_MASK; 19360ade8cd8SKonstantin Porotchkin data |= 0x0 << HPIPE_RST_CLK_CTRL_CORE_FREQ_SEL_OFFSET; 19370ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, data, mask); 19380ade8cd8SKonstantin Porotchkin /* Set PLL ready delay for 0x2 */ 19390ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_CLK_SRC_LO_REG, 19400ade8cd8SKonstantin Porotchkin 0x2 << HPIPE_CLK_SRC_LO_PLL_RDY_DL_OFFSET, 19410ade8cd8SKonstantin Porotchkin HPIPE_CLK_SRC_LO_PLL_RDY_DL_MASK); 19420ade8cd8SKonstantin Porotchkin /* Set reference clock to come from group 1 - 25Mhz */ 19430ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_MISC_REG, 19440ade8cd8SKonstantin Porotchkin 0x0 << HPIPE_MISC_REFCLK_SEL_OFFSET, 19450ade8cd8SKonstantin Porotchkin HPIPE_MISC_REFCLK_SEL_MASK); 19460ade8cd8SKonstantin Porotchkin /* Set reference frequcency select - 0x2 */ 19470ade8cd8SKonstantin Porotchkin mask = HPIPE_PWR_PLL_REF_FREQ_MASK; 19480ade8cd8SKonstantin Porotchkin data = 0x2 << HPIPE_PWR_PLL_REF_FREQ_OFFSET; 19490ade8cd8SKonstantin Porotchkin /* Set PHY mode to USB - 0x5 */ 19500ade8cd8SKonstantin Porotchkin mask |= HPIPE_PWR_PLL_PHY_MODE_MASK; 19510ade8cd8SKonstantin Porotchkin data |= 0x5 << HPIPE_PWR_PLL_PHY_MODE_OFFSET; 19520ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_PWR_PLL_REG, data, mask); 19530ade8cd8SKonstantin Porotchkin /* Set the amount of time spent in the LoZ state - set for 0x7 */ 19540ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_GLOBAL_PM_CTRL, 19550ade8cd8SKonstantin Porotchkin 0x7 << HPIPE_GLOBAL_PM_RXDLOZ_WAIT_OFFSET, 19560ade8cd8SKonstantin Porotchkin HPIPE_GLOBAL_PM_RXDLOZ_WAIT_MASK); 19570ade8cd8SKonstantin Porotchkin /* Set max PHY generation setting - 5Gbps */ 19580ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_INTERFACE_REG, 19590ade8cd8SKonstantin Porotchkin 0x1 << HPIPE_INTERFACE_GEN_MAX_OFFSET, 19600ade8cd8SKonstantin Porotchkin HPIPE_INTERFACE_GEN_MAX_MASK); 19610ade8cd8SKonstantin Porotchkin /* Set select data width 20Bit (SEL_BITS[2:0]) */ 19620ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_LOOPBACK_REG, 19630ade8cd8SKonstantin Porotchkin 0x1 << HPIPE_LOOPBACK_SEL_OFFSET, 19640ade8cd8SKonstantin Porotchkin HPIPE_LOOPBACK_SEL_MASK); 19650ade8cd8SKonstantin Porotchkin /* select de-emphasize 3.5db */ 19660ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_LANE_CONFIG0_REG, 19670ade8cd8SKonstantin Porotchkin 0x1 << HPIPE_LANE_CONFIG0_TXDEEMPH0_OFFSET, 19680ade8cd8SKonstantin Porotchkin HPIPE_LANE_CONFIG0_TXDEEMPH0_MASK); 19690ade8cd8SKonstantin Porotchkin /* override tx margining from the MAC */ 19700ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_TST_MODE_CTRL_REG, 19710ade8cd8SKonstantin Porotchkin 0x1 << HPIPE_TST_MODE_CTRL_MODE_MARGIN_OFFSET, 19720ade8cd8SKonstantin Porotchkin HPIPE_TST_MODE_CTRL_MODE_MARGIN_MASK); 19730ade8cd8SKonstantin Porotchkin 19740ade8cd8SKonstantin Porotchkin /* Start analog parameters from ETP(HW) */ 19750ade8cd8SKonstantin Porotchkin debug("stage: Analog parameters from ETP(HW)\n"); 19760ade8cd8SKonstantin Porotchkin /* Set Pin DFE_PAT_DIS -> Bit[1]: PIN_DFE_PAT_DIS = 0x0 */ 19770ade8cd8SKonstantin Porotchkin mask = HPIPE_LANE_CFG4_DFE_CTRL_MASK; 19780ade8cd8SKonstantin Porotchkin data = 0x1 << HPIPE_LANE_CFG4_DFE_CTRL_OFFSET; 19790ade8cd8SKonstantin Porotchkin /* Set Override PHY DFE control pins for 0x1 */ 19800ade8cd8SKonstantin Porotchkin mask |= HPIPE_LANE_CFG4_DFE_OVER_MASK; 19810ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_LANE_CFG4_DFE_OVER_OFFSET; 19820ade8cd8SKonstantin Porotchkin /* Set Spread Spectrum Clock Enable fot 0x1 */ 19830ade8cd8SKonstantin Porotchkin mask |= HPIPE_LANE_CFG4_SSC_CTRL_MASK; 19840ade8cd8SKonstantin Porotchkin data |= 0x1 << HPIPE_LANE_CFG4_SSC_CTRL_OFFSET; 19850ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_LANE_CFG4_REG, data, mask); 19860ade8cd8SKonstantin Porotchkin /* Confifure SSC amplitude */ 19870ade8cd8SKonstantin Porotchkin mask = HPIPE_G2_TX_SSC_AMP_MASK; 19880ade8cd8SKonstantin Porotchkin data = 0x1f << HPIPE_G2_TX_SSC_AMP_OFFSET; 19890ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_G2_SET_2_REG, data, mask); 19900ade8cd8SKonstantin Porotchkin /* End of analog parameters */ 19910ade8cd8SKonstantin Porotchkin 19920ade8cd8SKonstantin Porotchkin debug("stage: Comphy power up\n"); 19930ade8cd8SKonstantin Porotchkin /* Release from PIPE soft reset */ 19940ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_RST_CLK_CTRL_REG, 19950ade8cd8SKonstantin Porotchkin 0x0 << HPIPE_RST_CLK_CTRL_PIPE_RST_OFFSET, 19960ade8cd8SKonstantin Porotchkin HPIPE_RST_CLK_CTRL_PIPE_RST_MASK); 19970ade8cd8SKonstantin Porotchkin 19980ade8cd8SKonstantin Porotchkin /* wait 15ms - for comphy calibration done */ 19990ade8cd8SKonstantin Porotchkin debug("stage: Check PLL\n"); 20000ade8cd8SKonstantin Porotchkin /* Read lane status */ 20010ade8cd8SKonstantin Porotchkin addr = hpipe_addr + HPIPE_LANE_STATUS1_REG; 20020ade8cd8SKonstantin Porotchkin data = HPIPE_LANE_STATUS1_PCLK_EN_MASK; 20030ade8cd8SKonstantin Porotchkin mask = data; 20040ade8cd8SKonstantin Porotchkin data = polling_with_timeout(addr, data, mask, 15000, REG_32BIT); 20050ade8cd8SKonstantin Porotchkin if (data != 0) { 20060ade8cd8SKonstantin Porotchkin debug("Read from reg = %lx - value = 0x%x\n", 20070ade8cd8SKonstantin Porotchkin hpipe_addr + HPIPE_LANE_STATUS1_REG, data); 20080ade8cd8SKonstantin Porotchkin ERROR("HPIPE_LANE_STATUS1_PCLK_EN_MASK is 0\n"); 20090ade8cd8SKonstantin Porotchkin ret = -ETIMEDOUT; 20100ade8cd8SKonstantin Porotchkin } 20110ade8cd8SKonstantin Porotchkin 20120ade8cd8SKonstantin Porotchkin debug_exit(); 20130ade8cd8SKonstantin Porotchkin 20140ade8cd8SKonstantin Porotchkin return ret; 20150ade8cd8SKonstantin Porotchkin } 20160ade8cd8SKonstantin Porotchkin 20178e8ec8cfSGrzegorz Jaszczyk static void rx_pre_train(uint64_t comphy_base, uint8_t comphy_index) 20188e8ec8cfSGrzegorz Jaszczyk { 20198e8ec8cfSGrzegorz Jaszczyk uintptr_t hpipe_addr; 20208e8ec8cfSGrzegorz Jaszczyk uint32_t mask, data; 20218e8ec8cfSGrzegorz Jaszczyk 20228e8ec8cfSGrzegorz Jaszczyk hpipe_addr = HPIPE_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 20238e8ec8cfSGrzegorz Jaszczyk comphy_index); 20248e8ec8cfSGrzegorz Jaszczyk 20258e8ec8cfSGrzegorz Jaszczyk debug("rx_training preparation\n\n"); 20268e8ec8cfSGrzegorz Jaszczyk 20278e8ec8cfSGrzegorz Jaszczyk mask = HPIPE_TRX0_GAIN_TRAIN_WITH_C_MASK; 20288e8ec8cfSGrzegorz Jaszczyk data = (0x1 << HPIPE_TRX0_GAIN_TRAIN_WITH_C_OFF); 20298e8ec8cfSGrzegorz Jaszczyk mask |= HPIPE_TRX0_GAIN_TRAIN_WITH_SAMPLER_MASK; 20308e8ec8cfSGrzegorz Jaszczyk data |= (0x0 << HPIPE_TRX0_GAIN_TRAIN_WITH_SAMPLER_OFF); 20318e8ec8cfSGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_TRX0_REG, data, mask); 20328e8ec8cfSGrzegorz Jaszczyk 20338e8ec8cfSGrzegorz Jaszczyk 20348e8ec8cfSGrzegorz Jaszczyk mask = HPIPE_TRX_REG2_SUMF_BOOST_TARGET_C_MASK; 20358e8ec8cfSGrzegorz Jaszczyk data = (0x1e << HPIPE_TRX_REG2_SUMF_BOOST_TARGET_C_OFF); 20368e8ec8cfSGrzegorz Jaszczyk mask |= HPIPE_TRX_REG2_SUMF_BOOST_TARGET_K_MASK; 20378e8ec8cfSGrzegorz Jaszczyk data |= (0x0 << HPIPE_TRX_REG2_SUMF_BOOST_TARGET_K_OFF); 20388e8ec8cfSGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_TRX_REG2, data, mask); 20398e8ec8cfSGrzegorz Jaszczyk 20408e8ec8cfSGrzegorz Jaszczyk mask = HPIPE_TRX_REG1_MIN_BOOST_MODE_MASK; 20418e8ec8cfSGrzegorz Jaszczyk data = (0x1 << HPIPE_TRX_REG1_MIN_BOOST_MODE_OFF); 20428e8ec8cfSGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_TRX_REG1, data, mask); 20438e8ec8cfSGrzegorz Jaszczyk 20448e8ec8cfSGrzegorz Jaszczyk mask = HPIPE_CRD2_CRD_MIDPOINT_SMALL_THRES_K_MASK; 20458e8ec8cfSGrzegorz Jaszczyk data = (0x8 << HPIPE_CRD2_CRD_MIDPOINT_SMALL_THRES_K_OFF); 20468e8ec8cfSGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_CDR_CONTROL1_REG, data, mask); 20478e8ec8cfSGrzegorz Jaszczyk 20488e8ec8cfSGrzegorz Jaszczyk mask = HPIPE_CRD2_CRD_MIDPOINT_LARGE_THRES_K_MASK; 20498e8ec8cfSGrzegorz Jaszczyk data = (0x8 << HPIPE_CRD2_CRD_MIDPOINT_LARGE_THRES_K_OFF); 20508e8ec8cfSGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_CDR_CONTROL2_REG, data, mask); 20518e8ec8cfSGrzegorz Jaszczyk 20528e8ec8cfSGrzegorz Jaszczyk mask = HPIPE_CRD_MIDPOINT_PHASE_OS_MASK; 20538e8ec8cfSGrzegorz Jaszczyk data = (0x0 << HPIPE_CRD_MIDPOINT_PHASE_OS_OFFSET); 20548e8ec8cfSGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_CDR_CONTROL_REG, data, mask); 20558e8ec8cfSGrzegorz Jaszczyk 20568e8ec8cfSGrzegorz Jaszczyk mask = HPIPE_TRX_REG1_SUMFTAP_EN_MASK; 20578e8ec8cfSGrzegorz Jaszczyk data = (0x38 << HPIPE_TRX_REG1_SUMFTAP_EN_OFF); 20588e8ec8cfSGrzegorz Jaszczyk mask |= HPIPE_TRX_REG2_SUMF_BOOST_TARGET_C_MASK; 20598e8ec8cfSGrzegorz Jaszczyk data |= (0x1e << HPIPE_TRX_REG2_SUMF_BOOST_TARGET_C_OFF); 20608e8ec8cfSGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_TRX_REG1, data, mask); 20618e8ec8cfSGrzegorz Jaszczyk } 20628e8ec8cfSGrzegorz Jaszczyk 206342a29337SGrzegorz Jaszczyk int mvebu_cp110_comphy_xfi_rx_training(uint64_t comphy_base, 206442a29337SGrzegorz Jaszczyk uint8_t comphy_index) 20650ade8cd8SKonstantin Porotchkin { 20660ade8cd8SKonstantin Porotchkin uint32_t mask, data, timeout; 206742a29337SGrzegorz Jaszczyk uint32_t g1_ffe_cap_sel, g1_ffe_res_sel, align90, g1_dfe_res; 20688e8ec8cfSGrzegorz Jaszczyk uintptr_t hpipe_addr; 20690ade8cd8SKonstantin Porotchkin 207042a29337SGrzegorz Jaszczyk uint8_t ap_nr, cp_nr; 207142a29337SGrzegorz Jaszczyk 207242a29337SGrzegorz Jaszczyk mvebu_cp110_get_ap_and_cp_nr(&ap_nr, &cp_nr, comphy_base); 207342a29337SGrzegorz Jaszczyk 20740ade8cd8SKonstantin Porotchkin hpipe_addr = HPIPE_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 20750ade8cd8SKonstantin Porotchkin comphy_index); 20760ade8cd8SKonstantin Porotchkin 207742a29337SGrzegorz Jaszczyk debug_enter(); 207842a29337SGrzegorz Jaszczyk 20798e8ec8cfSGrzegorz Jaszczyk rx_pre_train(comphy_base, comphy_index); 208042a29337SGrzegorz Jaszczyk 208142a29337SGrzegorz Jaszczyk debug("Preparation for rx_training\n\n"); 208242a29337SGrzegorz Jaszczyk 208342a29337SGrzegorz Jaszczyk /* Use the FFE table */ 208442a29337SGrzegorz Jaszczyk mask = HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_MASK; 208542a29337SGrzegorz Jaszczyk data = 0 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET; 208642a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask); 208742a29337SGrzegorz Jaszczyk 208842a29337SGrzegorz Jaszczyk /* Use auto-calibration value */ 208942a29337SGrzegorz Jaszczyk mask = HPIPE_CAL_RXCLKALIGN_90_EXT_EN_MASK; 209042a29337SGrzegorz Jaszczyk data = 0 << HPIPE_CAL_RXCLKALIGN_90_EXT_EN_OFFSET; 209142a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_RX_CLK_ALIGN90_AND_TX_IDLE_CALIB_CTRL_REG, 209242a29337SGrzegorz Jaszczyk data, mask); 209342a29337SGrzegorz Jaszczyk 209442a29337SGrzegorz Jaszczyk /* Use Tx/Rx training results */ 209542a29337SGrzegorz Jaszczyk mask = HPIPE_DFE_RES_FORCE_MASK; 209642a29337SGrzegorz Jaszczyk data = 0 << HPIPE_DFE_RES_FORCE_OFFSET; 209742a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask); 209842a29337SGrzegorz Jaszczyk 20998e8ec8cfSGrzegorz Jaszczyk debug("Enable RX training\n\n"); 21000ade8cd8SKonstantin Porotchkin 210142a29337SGrzegorz Jaszczyk mask = HPIPE_TRX_RX_TRAIN_EN_MASK; 210242a29337SGrzegorz Jaszczyk data = 0x1 << HPIPE_TRX_RX_TRAIN_EN_OFFSET; 210342a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_TRX_TRAIN_CTRL_0_REG, data, mask); 21040ade8cd8SKonstantin Porotchkin 21050ade8cd8SKonstantin Porotchkin /* Check the result of RX training */ 21060ade8cd8SKonstantin Porotchkin timeout = RX_TRAINING_TIMEOUT; 210742a29337SGrzegorz Jaszczyk mask = HPIPE_INTERRUPT_TRX_TRAIN_DONE_OFFSET | 210842a29337SGrzegorz Jaszczyk HPIPE_INTERRUPT_DFE_DONE_INT_OFFSET | 210942a29337SGrzegorz Jaszczyk HPIPE_INTERRUPT_RX_TRAIN_COMPLETE_INT_MASK; 21100ade8cd8SKonstantin Porotchkin while (timeout) { 211142a29337SGrzegorz Jaszczyk data = mmio_read_32(hpipe_addr + HPIPE_INTERRUPT_1_REGISTER); 211242a29337SGrzegorz Jaszczyk if (data & mask) 21130ade8cd8SKonstantin Porotchkin break; 21140ade8cd8SKonstantin Porotchkin mdelay(1); 21150ade8cd8SKonstantin Porotchkin timeout--; 21160ade8cd8SKonstantin Porotchkin } 21170ade8cd8SKonstantin Porotchkin 211842a29337SGrzegorz Jaszczyk debug("RX training result: interrupt reg 0x%lx = 0x%x\n\n", 211942a29337SGrzegorz Jaszczyk hpipe_addr + HPIPE_INTERRUPT_1_REGISTER, data); 212042a29337SGrzegorz Jaszczyk 212142a29337SGrzegorz Jaszczyk if (timeout == 0 || data & HPIPE_TRX_TRAIN_TIME_OUT_INT_MASK) { 212242a29337SGrzegorz Jaszczyk ERROR("Rx training timeout...\n"); 21230ade8cd8SKonstantin Porotchkin return -ETIMEDOUT; 21240ade8cd8SKonstantin Porotchkin } 21250ade8cd8SKonstantin Porotchkin 212642a29337SGrzegorz Jaszczyk if (data & HPIPE_TRX_TRAIN_FAILED_MASK) { 212742a29337SGrzegorz Jaszczyk ERROR("Rx training failed...\n"); 212842a29337SGrzegorz Jaszczyk return -EINVAL; 212942a29337SGrzegorz Jaszczyk } 213042a29337SGrzegorz Jaszczyk 213142a29337SGrzegorz Jaszczyk mask = HPIPE_TRX_RX_TRAIN_EN_MASK; 213242a29337SGrzegorz Jaszczyk data = 0x0 << HPIPE_TRX_RX_TRAIN_EN_OFFSET; 213342a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_TRX_TRAIN_CTRL_0_REG, data, mask); 213442a29337SGrzegorz Jaszczyk 213542a29337SGrzegorz Jaszczyk debug("Training done, reading results...\n\n"); 213642a29337SGrzegorz Jaszczyk 213742a29337SGrzegorz Jaszczyk mask = HPIPE_ADAPTED_FFE_ADAPTED_FFE_RES_MASK; 213842a29337SGrzegorz Jaszczyk g1_ffe_res_sel = ((mmio_read_32(hpipe_addr + 213942a29337SGrzegorz Jaszczyk HPIPE_ADAPTED_FFE_CAPACITOR_COUNTER_CTRL_REG) 214042a29337SGrzegorz Jaszczyk & mask) >> HPIPE_ADAPTED_FFE_ADAPTED_FFE_RES_OFFSET); 214142a29337SGrzegorz Jaszczyk 214242a29337SGrzegorz Jaszczyk mask = HPIPE_ADAPTED_FFE_ADAPTED_FFE_CAP_MASK; 214342a29337SGrzegorz Jaszczyk g1_ffe_cap_sel = ((mmio_read_32(hpipe_addr + 214442a29337SGrzegorz Jaszczyk HPIPE_ADAPTED_FFE_CAPACITOR_COUNTER_CTRL_REG) 214542a29337SGrzegorz Jaszczyk & mask) >> HPIPE_ADAPTED_FFE_ADAPTED_FFE_CAP_OFFSET); 214642a29337SGrzegorz Jaszczyk 214742a29337SGrzegorz Jaszczyk mask = HPIPE_DATA_PHASE_ADAPTED_OS_PH_MASK; 214842a29337SGrzegorz Jaszczyk align90 = ((mmio_read_32(hpipe_addr + HPIPE_DATA_PHASE_OFF_CTRL_REG) 214942a29337SGrzegorz Jaszczyk & mask) >> HPIPE_DATA_PHASE_ADAPTED_OS_PH_OFFSET); 215042a29337SGrzegorz Jaszczyk 215142a29337SGrzegorz Jaszczyk mask = HPIPE_ADAPTED_DFE_RES_MASK; 215242a29337SGrzegorz Jaszczyk g1_dfe_res = ((mmio_read_32(hpipe_addr + 215342a29337SGrzegorz Jaszczyk HPIPE_ADAPTED_DFE_COEFFICIENT_1_REG) 215442a29337SGrzegorz Jaszczyk & mask) >> HPIPE_ADAPTED_DFE_RES_OFFSET); 215542a29337SGrzegorz Jaszczyk 215642a29337SGrzegorz Jaszczyk debug("================================================\n"); 215742a29337SGrzegorz Jaszczyk debug("Switching to static configuration:\n"); 215842a29337SGrzegorz Jaszczyk debug("FFE_RES = 0x%x FFE_CAP = 0x%x align90 = 0x%x g1_dfe_res 0x%x\n", 215942a29337SGrzegorz Jaszczyk g1_ffe_res_sel, g1_ffe_cap_sel, align90, g1_dfe_res); 216042a29337SGrzegorz Jaszczyk debug("Result after training: 0x%lx= 0x%x, 0x%lx= 0x%x, 0x%lx = 0x%x\n", 216142a29337SGrzegorz Jaszczyk (hpipe_addr + HPIPE_ADAPTED_FFE_CAPACITOR_COUNTER_CTRL_REG), 216242a29337SGrzegorz Jaszczyk mmio_read_32(hpipe_addr + 216342a29337SGrzegorz Jaszczyk HPIPE_ADAPTED_FFE_CAPACITOR_COUNTER_CTRL_REG), 216442a29337SGrzegorz Jaszczyk (hpipe_addr + HPIPE_DATA_PHASE_OFF_CTRL_REG), 216542a29337SGrzegorz Jaszczyk mmio_read_32(hpipe_addr + HPIPE_DATA_PHASE_OFF_CTRL_REG), 216642a29337SGrzegorz Jaszczyk (hpipe_addr + HPIPE_ADAPTED_DFE_COEFFICIENT_1_REG), 216742a29337SGrzegorz Jaszczyk mmio_read_32(hpipe_addr + HPIPE_ADAPTED_DFE_COEFFICIENT_1_REG)); 216842a29337SGrzegorz Jaszczyk debug("================================================\n"); 216942a29337SGrzegorz Jaszczyk 217042a29337SGrzegorz Jaszczyk /* Update FFE_RES */ 217142a29337SGrzegorz Jaszczyk mask = HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_MASK; 217242a29337SGrzegorz Jaszczyk data = g1_ffe_res_sel << HPIPE_G1_SETTINGS_3_G1_FFE_RES_SEL_OFFSET; 217342a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask); 217442a29337SGrzegorz Jaszczyk 217542a29337SGrzegorz Jaszczyk /* Update FFE_CAP */ 217642a29337SGrzegorz Jaszczyk mask = HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_MASK; 217742a29337SGrzegorz Jaszczyk data = g1_ffe_cap_sel << HPIPE_G1_SETTINGS_3_G1_FFE_CAP_SEL_OFFSET; 217842a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask); 217942a29337SGrzegorz Jaszczyk 218042a29337SGrzegorz Jaszczyk /* Bypass the FFE table settings and use the FFE settings directly from 218142a29337SGrzegorz Jaszczyk * registers FFE_RES_SEL and FFE_CAP_SEL 21820ade8cd8SKonstantin Porotchkin */ 218342a29337SGrzegorz Jaszczyk mask = HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_MASK; 218442a29337SGrzegorz Jaszczyk data = 1 << HPIPE_G1_SETTINGS_3_G1_FFE_SETTING_FORCE_OFFSET; 218542a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_G1_SETTINGS_3_REG, data, mask); 21860ade8cd8SKonstantin Porotchkin 218742a29337SGrzegorz Jaszczyk /* Force DFE resolution (use gen table value) */ 21880ade8cd8SKonstantin Porotchkin mask = HPIPE_DFE_RES_FORCE_MASK; 21898e8ec8cfSGrzegorz Jaszczyk data = 0x1 << HPIPE_DFE_RES_FORCE_OFFSET; 21900ade8cd8SKonstantin Porotchkin reg_set(hpipe_addr + HPIPE_DFE_REG0, data, mask); 21910ade8cd8SKonstantin Porotchkin 219242a29337SGrzegorz Jaszczyk /* 0x111-G1 DFE_Setting_4 */ 219342a29337SGrzegorz Jaszczyk mask = HPIPE_G1_SETTINGS_4_G1_DFE_RES_MASK; 219442a29337SGrzegorz Jaszczyk data = g1_dfe_res << HPIPE_G1_SETTINGS_4_G1_DFE_RES_OFFSET; 219542a29337SGrzegorz Jaszczyk reg_set(hpipe_addr + HPIPE_G1_SETTINGS_4_REG, data, mask); 21960ade8cd8SKonstantin Porotchkin 219742a29337SGrzegorz Jaszczyk printf("########################################################\n"); 219842a29337SGrzegorz Jaszczyk printf("# To use trained values update the ATF sources:\n"); 2199a2847172SGrzegorz Jaszczyk printf("# plat/marvell/armada/a8k/<board_type>/board/phy-porting-layer.h "); 220042a29337SGrzegorz Jaszczyk printf("file\n# with new values as below (for appropriate AP nr %d", 220142a29337SGrzegorz Jaszczyk ap_nr); 220242a29337SGrzegorz Jaszczyk printf("and CP nr: %d comphy_index %d\n\n", 220342a29337SGrzegorz Jaszczyk cp_nr, comphy_index); 220442a29337SGrzegorz Jaszczyk printf("static struct xfi_params xfi_static_values_tab[AP_NUM]"); 220542a29337SGrzegorz Jaszczyk printf("[CP_NUM][MAX_LANE_NR] = {\n"); 220642a29337SGrzegorz Jaszczyk printf("\t...\n"); 220742a29337SGrzegorz Jaszczyk printf("\t.g1_ffe_res_sel = 0x%x,\n", g1_ffe_res_sel); 220842a29337SGrzegorz Jaszczyk printf("\t.g1_ffe_cap_sel = 0x%x,\n", g1_ffe_cap_sel); 220942a29337SGrzegorz Jaszczyk printf("\t.align90 = 0x%x,\n", align90); 221042a29337SGrzegorz Jaszczyk printf("\t.g1_dfe_res = 0x%x\n", g1_dfe_res); 221142a29337SGrzegorz Jaszczyk printf("\t...\n"); 221242a29337SGrzegorz Jaszczyk printf("};\n\n"); 221342a29337SGrzegorz Jaszczyk printf("########################################################\n"); 221442a29337SGrzegorz Jaszczyk 221542a29337SGrzegorz Jaszczyk rx_trainng_done[ap_nr][cp_nr][comphy_index] = 1; 221642a29337SGrzegorz Jaszczyk 221742a29337SGrzegorz Jaszczyk return 0; 22180ade8cd8SKonstantin Porotchkin } 22190ade8cd8SKonstantin Porotchkin 22200ade8cd8SKonstantin Porotchkin /* During AP the proper mode is auto-negotiated and the mac, pcs and serdes 22210ade8cd8SKonstantin Porotchkin * configuration are done by the firmware loaded to the MG's CM3 for appropriate 22220ade8cd8SKonstantin Porotchkin * negotiated mode. Therefore there is no need to configure the mac, pcs and 22230ade8cd8SKonstantin Porotchkin * serdes from u-boot. The only thing that need to be setup is powering up 22240ade8cd8SKonstantin Porotchkin * the comphy, which is done through Common PHY<n> Configuration 1 Register 22250ade8cd8SKonstantin Porotchkin * (CP0: 0xF2441000, CP1: 0xF4441000). This step can't be done by MG's CM3, 22260ade8cd8SKonstantin Porotchkin * since it doesn't have an access to this register-set (but it has access to 22270ade8cd8SKonstantin Porotchkin * the network registers like: MG, AP, MAC, PCS, Serdes etc.) 22280ade8cd8SKonstantin Porotchkin */ 22290ade8cd8SKonstantin Porotchkin static int mvebu_cp110_comphy_ap_power_on(uint64_t comphy_base, 2230*050eb19cSGrzegorz Jaszczyk uint8_t comphy_index, 2231*050eb19cSGrzegorz Jaszczyk uint32_t comphy_mode) 22320ade8cd8SKonstantin Porotchkin { 22330ade8cd8SKonstantin Porotchkin uint32_t mask, data; 22340ade8cd8SKonstantin Porotchkin uintptr_t comphy_addr = comphy_addr = 22350ade8cd8SKonstantin Porotchkin COMPHY_ADDR(comphy_base, comphy_index); 22360ade8cd8SKonstantin Porotchkin 2237*050eb19cSGrzegorz Jaszczyk /* configure phy selector for XFI/SFI */ 2238*050eb19cSGrzegorz Jaszczyk mvebu_cp110_comphy_set_phy_selector(comphy_base, comphy_index, 2239*050eb19cSGrzegorz Jaszczyk comphy_mode); 22400ade8cd8SKonstantin Porotchkin debug_enter(); 22410ade8cd8SKonstantin Porotchkin debug("stage: RFU configurations - hard reset comphy\n"); 22420ade8cd8SKonstantin Porotchkin /* RFU configurations - hard reset comphy */ 22430ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_CFG1_PWR_UP_MASK; 22440ade8cd8SKonstantin Porotchkin data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; 22450ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; 22460ade8cd8SKonstantin Porotchkin data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; 22470ade8cd8SKonstantin Porotchkin reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); 22480ade8cd8SKonstantin Porotchkin debug_exit(); 22490ade8cd8SKonstantin Porotchkin 22500ade8cd8SKonstantin Porotchkin return 0; 22510ade8cd8SKonstantin Porotchkin } 22520ade8cd8SKonstantin Porotchkin 22530ade8cd8SKonstantin Porotchkin /* 22540ade8cd8SKonstantin Porotchkin * This function allows to reset the digital synchronizers between 22550ade8cd8SKonstantin Porotchkin * the MAC and the PHY, it is required when the MAC changes its state. 22560ade8cd8SKonstantin Porotchkin */ 22570ade8cd8SKonstantin Porotchkin int mvebu_cp110_comphy_digital_reset(uint64_t comphy_base, 22580ade8cd8SKonstantin Porotchkin uint8_t comphy_index, 22590ade8cd8SKonstantin Porotchkin uint32_t comphy_mode, uint32_t command) 22600ade8cd8SKonstantin Porotchkin { 22610ade8cd8SKonstantin Porotchkin int mode = COMPHY_GET_MODE(comphy_mode); 22620ade8cd8SKonstantin Porotchkin uintptr_t sd_ip_addr; 22630ade8cd8SKonstantin Porotchkin uint32_t mask, data; 22640ade8cd8SKonstantin Porotchkin 22650ade8cd8SKonstantin Porotchkin sd_ip_addr = SD_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 22660ade8cd8SKonstantin Porotchkin comphy_index); 22670ade8cd8SKonstantin Porotchkin 22680ade8cd8SKonstantin Porotchkin switch (mode) { 22690ade8cd8SKonstantin Porotchkin case (COMPHY_SGMII_MODE): 22700ade8cd8SKonstantin Porotchkin case (COMPHY_HS_SGMII_MODE): 22710ade8cd8SKonstantin Porotchkin case (COMPHY_XFI_MODE): 22720ade8cd8SKonstantin Porotchkin case (COMPHY_SFI_MODE): 22730ade8cd8SKonstantin Porotchkin case (COMPHY_RXAUI_MODE): 22740ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; 22750ade8cd8SKonstantin Porotchkin data = ((command == COMPHY_COMMAND_DIGITAL_PWR_OFF) ? 22760ade8cd8SKonstantin Porotchkin 0x0 : 0x1) << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; 22770ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); 22780ade8cd8SKonstantin Porotchkin break; 22790ade8cd8SKonstantin Porotchkin default: 22800ade8cd8SKonstantin Porotchkin ERROR("comphy%d: Digital PWR ON/OFF is not supported\n", 22810ade8cd8SKonstantin Porotchkin comphy_index); 22820ade8cd8SKonstantin Porotchkin return -EINVAL; 22830ade8cd8SKonstantin Porotchkin } 22840ade8cd8SKonstantin Porotchkin 22850ade8cd8SKonstantin Porotchkin return 0; 22860ade8cd8SKonstantin Porotchkin } 22870ade8cd8SKonstantin Porotchkin 2288f858e989SGrzegorz Jaszczyk int mvebu_cp110_comphy_power_on(uint64_t comphy_base, uint8_t comphy_index, 22890ade8cd8SKonstantin Porotchkin uint64_t comphy_mode) 22900ade8cd8SKonstantin Porotchkin { 22910ade8cd8SKonstantin Porotchkin int mode = COMPHY_GET_MODE(comphy_mode); 22920ade8cd8SKonstantin Porotchkin int err = 0; 22930ade8cd8SKonstantin Porotchkin 22940ade8cd8SKonstantin Porotchkin debug_enter(); 22950ade8cd8SKonstantin Porotchkin 22960ade8cd8SKonstantin Porotchkin switch (mode) { 22970ade8cd8SKonstantin Porotchkin case(COMPHY_SATA_MODE): 22980ade8cd8SKonstantin Porotchkin err = mvebu_cp110_comphy_sata_power_on(comphy_base, 22990ade8cd8SKonstantin Porotchkin comphy_index, 23000ade8cd8SKonstantin Porotchkin comphy_mode); 23010ade8cd8SKonstantin Porotchkin break; 23020ade8cd8SKonstantin Porotchkin case(COMPHY_SGMII_MODE): 23030ade8cd8SKonstantin Porotchkin case(COMPHY_HS_SGMII_MODE): 23040ade8cd8SKonstantin Porotchkin err = mvebu_cp110_comphy_sgmii_power_on(comphy_base, 23050ade8cd8SKonstantin Porotchkin comphy_index, 23060ade8cd8SKonstantin Porotchkin comphy_mode); 23070ade8cd8SKonstantin Porotchkin break; 23080ade8cd8SKonstantin Porotchkin /* From comphy perspective, XFI and SFI are the same */ 23090ade8cd8SKonstantin Porotchkin case (COMPHY_XFI_MODE): 23100ade8cd8SKonstantin Porotchkin case (COMPHY_SFI_MODE): 23110ade8cd8SKonstantin Porotchkin err = mvebu_cp110_comphy_xfi_power_on(comphy_base, 23120ade8cd8SKonstantin Porotchkin comphy_index, 23130ade8cd8SKonstantin Porotchkin comphy_mode); 23140ade8cd8SKonstantin Porotchkin break; 23150ade8cd8SKonstantin Porotchkin case (COMPHY_PCIE_MODE): 23160ade8cd8SKonstantin Porotchkin err = mvebu_cp110_comphy_pcie_power_on(comphy_base, 23170ade8cd8SKonstantin Porotchkin comphy_index, 23180ade8cd8SKonstantin Porotchkin comphy_mode); 23190ade8cd8SKonstantin Porotchkin break; 23200ade8cd8SKonstantin Porotchkin case (COMPHY_RXAUI_MODE): 23210ade8cd8SKonstantin Porotchkin err = mvebu_cp110_comphy_rxaui_power_on(comphy_base, 23220ade8cd8SKonstantin Porotchkin comphy_index, 23230ade8cd8SKonstantin Porotchkin comphy_mode); 232442a29337SGrzegorz Jaszczyk break; 23250ade8cd8SKonstantin Porotchkin case (COMPHY_USB3H_MODE): 23260ade8cd8SKonstantin Porotchkin case (COMPHY_USB3D_MODE): 23270ade8cd8SKonstantin Porotchkin err = mvebu_cp110_comphy_usb3_power_on(comphy_base, 23280ade8cd8SKonstantin Porotchkin comphy_index, 23290ade8cd8SKonstantin Porotchkin comphy_mode); 23300ade8cd8SKonstantin Porotchkin break; 23310ade8cd8SKonstantin Porotchkin case (COMPHY_AP_MODE): 2332*050eb19cSGrzegorz Jaszczyk err = mvebu_cp110_comphy_ap_power_on(comphy_base, comphy_index, 2333*050eb19cSGrzegorz Jaszczyk comphy_mode); 23340ade8cd8SKonstantin Porotchkin break; 23350ade8cd8SKonstantin Porotchkin default: 2336f858e989SGrzegorz Jaszczyk ERROR("comphy%d: unsupported comphy mode\n", comphy_index); 23370ade8cd8SKonstantin Porotchkin err = -EINVAL; 23380ade8cd8SKonstantin Porotchkin break; 23390ade8cd8SKonstantin Porotchkin } 23400ade8cd8SKonstantin Porotchkin 23410ade8cd8SKonstantin Porotchkin debug_exit(); 23420ade8cd8SKonstantin Porotchkin 23430ade8cd8SKonstantin Porotchkin return err; 23440ade8cd8SKonstantin Porotchkin } 23450ade8cd8SKonstantin Porotchkin 234655df84f9SIgal Liberman int mvebu_cp110_comphy_power_off(uint64_t comphy_base, uint8_t comphy_index, 234755df84f9SIgal Liberman uint64_t comphy_mode) 23480ade8cd8SKonstantin Porotchkin { 23490ade8cd8SKonstantin Porotchkin uintptr_t sd_ip_addr, comphy_ip_addr; 23500ade8cd8SKonstantin Porotchkin uint32_t mask, data; 235142a29337SGrzegorz Jaszczyk uint8_t ap_nr, cp_nr; 235255df84f9SIgal Liberman _Bool called_from_uboot = COMPHY_GET_CALLER(comphy_mode); 23530ade8cd8SKonstantin Porotchkin 23540ade8cd8SKonstantin Porotchkin debug_enter(); 23550ade8cd8SKonstantin Porotchkin 235655df84f9SIgal Liberman /* Power-off might happen because of 2 things: 235755df84f9SIgal Liberman * 1. Bootloader turns off unconnected lanes 235855df84f9SIgal Liberman * 2. Linux turns off all lanes during boot 235955df84f9SIgal Liberman * (and then reconfigure it). 236055df84f9SIgal Liberman * 236155df84f9SIgal Liberman * For PCIe, there's a problem: 236255df84f9SIgal Liberman * In Armada 8K DB boards, PCIe initialization can be executed 236355df84f9SIgal Liberman * only once (PCIe reset performed during chip power on and 236455df84f9SIgal Liberman * it cannot be executed via GPIO later) so a lane configured to 236555df84f9SIgal Liberman * PCIe should not be powered off by Linux. 236655df84f9SIgal Liberman * 236755df84f9SIgal Liberman * So, check 2 things: 236855df84f9SIgal Liberman * 1. Is Linux called for power-off? 236955df84f9SIgal Liberman * 2. Is the comphy configured to PCIe? 237055df84f9SIgal Liberman * If the answer is YES for both 1 and 2, skip the power-off. 237155df84f9SIgal Liberman * 237255df84f9SIgal Liberman * TODO: In MacciatoBIN, PCIe reset is connected via GPIO, 237355df84f9SIgal Liberman * so after GPIO reset is added to Linux Kernel, it can be 237455df84f9SIgal Liberman * powered-off. 237555df84f9SIgal Liberman */ 237655df84f9SIgal Liberman if (!called_from_uboot) { 237755df84f9SIgal Liberman data = mmio_read_32(comphy_base + 237855df84f9SIgal Liberman COMMON_SELECTOR_PIPE_REG_OFFSET); 237955df84f9SIgal Liberman data >>= (COMMON_SELECTOR_COMPHYN_FIELD_WIDTH * comphy_index); 238055df84f9SIgal Liberman data &= COMMON_SELECTOR_COMPHY_MASK; 238155df84f9SIgal Liberman if (data == COMMON_SELECTOR_PIPE_COMPHY_PCIE) 238255df84f9SIgal Liberman return 0; 238355df84f9SIgal Liberman } 238455df84f9SIgal Liberman 238542a29337SGrzegorz Jaszczyk mvebu_cp110_get_ap_and_cp_nr(&ap_nr, &cp_nr, comphy_base); 238642a29337SGrzegorz Jaszczyk 238742a29337SGrzegorz Jaszczyk if (rx_trainng_done[ap_nr][cp_nr][comphy_index]) { 238842a29337SGrzegorz Jaszczyk debug("Skip %s for comphy[%d][%d][%d], due to rx training\n", 238942a29337SGrzegorz Jaszczyk __func__, ap_nr, cp_nr, comphy_index); 239042a29337SGrzegorz Jaszczyk return 0; 239142a29337SGrzegorz Jaszczyk } 239242a29337SGrzegorz Jaszczyk 23930ade8cd8SKonstantin Porotchkin sd_ip_addr = SD_ADDR(COMPHY_PIPE_FROM_COMPHY_ADDR(comphy_base), 23940ade8cd8SKonstantin Porotchkin comphy_index); 23950ade8cd8SKonstantin Porotchkin comphy_ip_addr = COMPHY_ADDR(comphy_base, comphy_index); 23960ade8cd8SKonstantin Porotchkin 23970ade8cd8SKonstantin Porotchkin /* Hard reset the comphy, for Ethernet modes and Sata */ 23980ade8cd8SKonstantin Porotchkin mask = SD_EXTERNAL_CONFIG1_RESET_IN_MASK; 23990ade8cd8SKonstantin Porotchkin data = 0x0 << SD_EXTERNAL_CONFIG1_RESET_IN_OFFSET; 24000ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG1_RESET_CORE_MASK; 24010ade8cd8SKonstantin Porotchkin data |= 0x0 << SD_EXTERNAL_CONFIG1_RESET_CORE_OFFSET; 24020ade8cd8SKonstantin Porotchkin mask |= SD_EXTERNAL_CONFIG1_RF_RESET_IN_MASK; 24030ade8cd8SKonstantin Porotchkin data |= 0x0 << SD_EXTERNAL_CONFIG1_RF_RESET_IN_OFFSET; 24040ade8cd8SKonstantin Porotchkin reg_set(sd_ip_addr + SD_EXTERNAL_CONFIG1_REG, data, mask); 24050ade8cd8SKonstantin Porotchkin 24060ade8cd8SKonstantin Porotchkin /* PCIe reset */ 24070ade8cd8SKonstantin Porotchkin spin_lock(&cp110_mac_reset_lock); 24080ade8cd8SKonstantin Porotchkin 24090ade8cd8SKonstantin Porotchkin /* The mvebu_cp110_comphy_power_off will be called only from Linux (to 24100ade8cd8SKonstantin Porotchkin * override settings done by bootloader) and it will be relevant only 24110ade8cd8SKonstantin Porotchkin * to PCIe (called before check if to skip pcie power off or not). 24120ade8cd8SKonstantin Porotchkin */ 24130ade8cd8SKonstantin Porotchkin data = mmio_read_32(SYS_CTRL_FROM_COMPHY_ADDR(comphy_base) + 24140ade8cd8SKonstantin Porotchkin SYS_CTRL_UINIT_SOFT_RESET_REG); 24150ade8cd8SKonstantin Porotchkin switch (comphy_index) { 24160ade8cd8SKonstantin Porotchkin case COMPHY_LANE0: 24170ade8cd8SKonstantin Porotchkin data &= ~PCIE_MAC_RESET_MASK_PORT0; 24180ade8cd8SKonstantin Porotchkin break; 24190ade8cd8SKonstantin Porotchkin case COMPHY_LANE4: 24200ade8cd8SKonstantin Porotchkin data &= ~PCIE_MAC_RESET_MASK_PORT1; 24210ade8cd8SKonstantin Porotchkin break; 24220ade8cd8SKonstantin Porotchkin case COMPHY_LANE5: 24230ade8cd8SKonstantin Porotchkin data &= ~PCIE_MAC_RESET_MASK_PORT2; 24240ade8cd8SKonstantin Porotchkin break; 24250ade8cd8SKonstantin Porotchkin } 24260ade8cd8SKonstantin Porotchkin 24270ade8cd8SKonstantin Porotchkin mmio_write_32(SYS_CTRL_FROM_COMPHY_ADDR(comphy_base) + 24280ade8cd8SKonstantin Porotchkin SYS_CTRL_UINIT_SOFT_RESET_REG, data); 24290ade8cd8SKonstantin Porotchkin spin_unlock(&cp110_mac_reset_lock); 24300ade8cd8SKonstantin Porotchkin 24310ade8cd8SKonstantin Porotchkin /* Hard reset the comphy, for PCIe and usb3 */ 24320ade8cd8SKonstantin Porotchkin mask = COMMON_PHY_CFG1_PWR_ON_RESET_MASK; 24330ade8cd8SKonstantin Porotchkin data = 0x0 << COMMON_PHY_CFG1_PWR_ON_RESET_OFFSET; 24340ade8cd8SKonstantin Porotchkin mask |= COMMON_PHY_CFG1_CORE_RSTN_MASK; 24350ade8cd8SKonstantin Porotchkin data |= 0x0 << COMMON_PHY_CFG1_CORE_RSTN_OFFSET; 24360ade8cd8SKonstantin Porotchkin reg_set(comphy_ip_addr + COMMON_PHY_CFG1_REG, data, mask); 24370ade8cd8SKonstantin Porotchkin 24380ade8cd8SKonstantin Porotchkin /* Clear comphy PHY and PIPE selector, can't rely on previous config. */ 24390ade8cd8SKonstantin Porotchkin mvebu_cp110_comphy_clr_phy_selector(comphy_base, comphy_index); 24400ade8cd8SKonstantin Porotchkin mvebu_cp110_comphy_clr_pipe_selector(comphy_base, comphy_index); 24410ade8cd8SKonstantin Porotchkin 24420ade8cd8SKonstantin Porotchkin debug_exit(); 24430ade8cd8SKonstantin Porotchkin 24440ade8cd8SKonstantin Porotchkin return 0; 24450ade8cd8SKonstantin Porotchkin } 2446