diff options
Diffstat (limited to 'drivers/net/sfc/tenxpress.c')
| -rw-r--r-- | drivers/net/sfc/tenxpress.c | 873 |
1 files changed, 0 insertions, 873 deletions
diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c deleted file mode 100644 index e61dc4d4741..00000000000 --- a/drivers/net/sfc/tenxpress.c +++ /dev/null @@ -1,873 +0,0 @@ -/**************************************************************************** - * Driver for Solarflare Solarstorm network controllers and boards - * Copyright 2007-2008 Solarflare Communications Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation, incorporated herein by reference. - */ - -#include <linux/delay.h> -#include <linux/rtnetlink.h> -#include <linux/seq_file.h> -#include "efx.h" -#include "mdio_10g.h" -#include "falcon.h" -#include "phy.h" -#include "falcon_hwdefs.h" -#include "boards.h" -#include "workarounds.h" -#include "selftest.h" - -/* We expect these MMDs to be in the package. SFT9001 also has a - * clause 22 extension MMD, but since it doesn't have all the generic - * MMD registers it is pointless to include it here. - */ -#define TENXPRESS_REQUIRED_DEVS (MDIO_MMDREG_DEVS_PMAPMD | \ - MDIO_MMDREG_DEVS_PCS | \ - MDIO_MMDREG_DEVS_PHYXS | \ - MDIO_MMDREG_DEVS_AN) - -#define SFX7101_LOOPBACKS ((1 << LOOPBACK_PHYXS) | \ - (1 << LOOPBACK_PCS) | \ - (1 << LOOPBACK_PMAPMD) | \ - (1 << LOOPBACK_NETWORK)) - -#define SFT9001_LOOPBACKS ((1 << LOOPBACK_GPHY) | \ - (1 << LOOPBACK_PHYXS) | \ - (1 << LOOPBACK_PCS) | \ - (1 << LOOPBACK_PMAPMD) | \ - (1 << LOOPBACK_NETWORK)) - -/* We complain if we fail to see the link partner as 10G capable this many - * times in a row (must be > 1 as sampling the autoneg. registers is racy) - */ -#define MAX_BAD_LP_TRIES (5) - -/* LASI Control */ -#define PMA_PMD_LASI_CTRL 36866 -#define PMA_PMD_LASI_STATUS 36869 -#define PMA_PMD_LS_ALARM_LBN 0 -#define PMA_PMD_LS_ALARM_WIDTH 1 -#define PMA_PMD_TX_ALARM_LBN 1 -#define PMA_PMD_TX_ALARM_WIDTH 1 -#define PMA_PMD_RX_ALARM_LBN 2 -#define PMA_PMD_RX_ALARM_WIDTH 1 -#define PMA_PMD_AN_ALARM_LBN 3 -#define PMA_PMD_AN_ALARM_WIDTH 1 - -/* Extended control register */ -#define PMA_PMD_XCONTROL_REG 49152 -#define PMA_PMD_EXT_GMII_EN_LBN 1 -#define PMA_PMD_EXT_GMII_EN_WIDTH 1 -#define PMA_PMD_EXT_CLK_OUT_LBN 2 -#define PMA_PMD_EXT_CLK_OUT_WIDTH 1 -#define PMA_PMD_LNPGA_POWERDOWN_LBN 8 /* SFX7101 only */ -#define PMA_PMD_LNPGA_POWERDOWN_WIDTH 1 -#define PMA_PMD_EXT_CLK312_LBN 8 /* SFT9001 only */ -#define PMA_PMD_EXT_CLK312_WIDTH 1 -#define PMA_PMD_EXT_LPOWER_LBN 12 -#define PMA_PMD_EXT_LPOWER_WIDTH 1 -#define PMA_PMD_EXT_ROBUST_LBN 14 -#define PMA_PMD_EXT_ROBUST_WIDTH 1 -#define PMA_PMD_EXT_SSR_LBN 15 -#define PMA_PMD_EXT_SSR_WIDTH 1 - -/* extended status register */ -#define PMA_PMD_XSTATUS_REG 49153 -#define PMA_PMD_XSTAT_FLP_LBN (12) - -/* LED control register */ -#define PMA_PMD_LED_CTRL_REG 49159 -#define PMA_PMA_LED_ACTIVITY_LBN (3) - -/* LED function override register */ -#define PMA_PMD_LED_OVERR_REG 49161 -/* Bit positions for different LEDs (there are more but not wired on SFE4001)*/ -#define PMA_PMD_LED_LINK_LBN (0) -#define PMA_PMD_LED_SPEED_LBN (2) -#define PMA_PMD_LED_TX_LBN (4) -#define PMA_PMD_LED_RX_LBN (6) -/* Override settings */ -#define PMA_PMD_LED_AUTO (0) /* H/W control */ -#define PMA_PMD_LED_ON (1) -#define PMA_PMD_LED_OFF (2) -#define PMA_PMD_LED_FLASH (3) -#define PMA_PMD_LED_MASK 3 -/* All LEDs under hardware control */ -#define PMA_PMD_LED_FULL_AUTO (0) -/* Green and Amber under hardware control, Red off */ -#define PMA_PMD_LED_DEFAULT (PMA_PMD_LED_OFF << PMA_PMD_LED_RX_LBN) - -#define PMA_PMD_SPEED_ENABLE_REG 49192 -#define PMA_PMD_100TX_ADV_LBN 1 -#define PMA_PMD_100TX_ADV_WIDTH 1 -#define PMA_PMD_1000T_ADV_LBN 2 -#define PMA_PMD_1000T_ADV_WIDTH 1 -#define PMA_PMD_10000T_ADV_LBN 3 -#define PMA_PMD_10000T_ADV_WIDTH 1 -#define PMA_PMD_SPEED_LBN 4 -#define PMA_PMD_SPEED_WIDTH 4 - -/* Cable diagnostics - SFT9001 only */ -#define PMA_PMD_CDIAG_CTRL_REG 49213 -#define CDIAG_CTRL_IMMED_LBN 15 -#define CDIAG_CTRL_BRK_LINK_LBN 12 -#define CDIAG_CTRL_IN_PROG_LBN 11 -#define CDIAG_CTRL_LEN_UNIT_LBN 10 -#define CDIAG_CTRL_LEN_METRES 1 -#define PMA_PMD_CDIAG_RES_REG 49174 -#define CDIAG_RES_A_LBN 12 -#define CDIAG_RES_B_LBN 8 -#define CDIAG_RES_C_LBN 4 -#define CDIAG_RES_D_LBN 0 -#define CDIAG_RES_WIDTH 4 -#define CDIAG_RES_OPEN 2 -#define CDIAG_RES_OK 1 -#define CDIAG_RES_INVALID 0 -/* Set of 4 registers for pairs A-D */ -#define PMA_PMD_CDIAG_LEN_REG 49175 - -/* Serdes control registers - SFT9001 only */ -#define PMA_PMD_CSERDES_CTRL_REG 64258 -/* Set the 156.25 MHz output to 312.5 MHz to drive Falcon's XMAC */ -#define PMA_PMD_CSERDES_DEFAULT 0x000f - -/* Misc register defines - SFX7101 only */ -#define PCS_CLOCK_CTRL_REG 55297 -#define PLL312_RST_N_LBN 2 - -#define PCS_SOFT_RST2_REG 55302 -#define SERDES_RST_N_LBN 13 -#define XGXS_RST_N_LBN 12 - -#define PCS_TEST_SELECT_REG 55303 /* PRM 10.5.8 */ -#define CLK312_EN_LBN 3 - -/* PHYXS registers */ -#define PHYXS_XCONTROL_REG 49152 -#define PHYXS_RESET_LBN 15 -#define PHYXS_RESET_WIDTH 1 - -#define PHYXS_TEST1 (49162) -#define LOOPBACK_NEAR_LBN (8) -#define LOOPBACK_NEAR_WIDTH (1) - -#define PCS_10GBASET_STAT1 32 -#define PCS_10GBASET_BLKLK_LBN 0 -#define PCS_10GBASET_BLKLK_WIDTH 1 - -/* Boot status register */ -#define PCS_BOOT_STATUS_REG 53248 -#define PCS_BOOT_FATAL_ERROR_LBN 0 -#define PCS_BOOT_PROGRESS_LBN 1 -#define PCS_BOOT_PROGRESS_WIDTH 2 -#define PCS_BOOT_PROGRESS_INIT 0 -#define PCS_BOOT_PROGRESS_WAIT_MDIO 1 -#define PCS_BOOT_PROGRESS_CHECKSUM 2 -#define PCS_BOOT_PROGRESS_JUMP 3 -#define PCS_BOOT_DOWNLOAD_WAIT_LBN 3 -#define PCS_BOOT_CODE_STARTED_LBN 4 - -/* 100M/1G PHY registers */ -#define GPHY_XCONTROL_REG 49152 -#define GPHY_ISOLATE_LBN 10 -#define GPHY_ISOLATE_WIDTH 1 -#define GPHY_DUPLEX_LBN 8 -#define GPHY_DUPLEX_WIDTH 1 -#define GPHY_LOOPBACK_NEAR_LBN 14 -#define GPHY_LOOPBACK_NEAR_WIDTH 1 - -#define C22EXT_STATUS_REG 49153 -#define C22EXT_STATUS_LINK_LBN 2 -#define C22EXT_STATUS_LINK_WIDTH 1 - -#define C22EXT_MSTSLV_CTRL 49161 -#define C22EXT_MSTSLV_CTRL_ADV_1000_HD_LBN 8 -#define C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN 9 - -#define C22EXT_MSTSLV_STATUS 49162 -#define C22EXT_MSTSLV_STATUS_LP_1000_HD_LBN 10 -#define C22EXT_MSTSLV_STATUS_LP_1000_FD_LBN 11 - -/* Time to wait between powering down the LNPGA and turning off the power - * rails */ -#define LNPGA_PDOWN_WAIT (HZ / 5) - -struct tenxpress_phy_data { - enum efx_loopback_mode loopback_mode; - enum efx_phy_mode phy_mode; - int bad_lp_tries; -}; - -static ssize_t show_phy_short_reach(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev)); - int reg; - - reg = mdio_clause45_read(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD, - MDIO_PMAPMD_10GBT_TXPWR); - return sprintf(buf, "%d\n", - !!(reg & (1 << MDIO_PMAPMD_10GBT_TXPWR_SHORT_LBN))); -} - -static ssize_t set_phy_short_reach(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev)); - - rtnl_lock(); - mdio_clause45_set_flag(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD, - MDIO_PMAPMD_10GBT_TXPWR, - MDIO_PMAPMD_10GBT_TXPWR_SHORT_LBN, - count != 0 && *buf != '0'); - efx_reconfigure_port(efx); - rtnl_unlock(); - - return count; -} - -static DEVICE_ATTR(phy_short_reach, 0644, show_phy_short_reach, - set_phy_short_reach); - -int sft9001_wait_boot(struct efx_nic *efx) -{ - unsigned long timeout = jiffies + HZ + 1; - int boot_stat; - - for (;;) { - boot_stat = mdio_clause45_read(efx, efx->mii.phy_id, - MDIO_MMD_PCS, - PCS_BOOT_STATUS_REG); - if (boot_stat >= 0) { - EFX_LOG(efx, "PHY boot status = %#x\n", boot_stat); - switch (boot_stat & - ((1 << PCS_BOOT_FATAL_ERROR_LBN) | - (3 << PCS_BOOT_PROGRESS_LBN) | - (1 << PCS_BOOT_DOWNLOAD_WAIT_LBN) | - (1 << PCS_BOOT_CODE_STARTED_LBN))) { - case ((1 << PCS_BOOT_FATAL_ERROR_LBN) | - (PCS_BOOT_PROGRESS_CHECKSUM << - PCS_BOOT_PROGRESS_LBN)): - case ((1 << PCS_BOOT_FATAL_ERROR_LBN) | - (PCS_BOOT_PROGRESS_INIT << - PCS_BOOT_PROGRESS_LBN) | - (1 << PCS_BOOT_DOWNLOAD_WAIT_LBN)): - return -EINVAL; - case ((PCS_BOOT_PROGRESS_WAIT_MDIO << - PCS_BOOT_PROGRESS_LBN) | - (1 << PCS_BOOT_DOWNLOAD_WAIT_LBN)): - return (efx->phy_mode & PHY_MODE_SPECIAL) ? - 0 : -EIO; - case ((PCS_BOOT_PROGRESS_JUMP << - PCS_BOOT_PROGRESS_LBN) | - (1 << PCS_BOOT_CODE_STARTED_LBN)): - case ((PCS_BOOT_PROGRESS_JUMP << - PCS_BOOT_PROGRESS_LBN) | - (1 << PCS_BOOT_DOWNLOAD_WAIT_LBN) | - (1 << PCS_BOOT_CODE_STARTED_LBN)): - return (efx->phy_mode & PHY_MODE_SPECIAL) ? - -EIO : 0; - default: - if (boot_stat & (1 << PCS_BOOT_FATAL_ERROR_LBN)) - return -EIO; - break; - } - } - - if (time_after_eq(jiffies, timeout)) - return -ETIMEDOUT; - - msleep(50); - } -} - -static int tenxpress_init(struct efx_nic *efx) -{ - int phy_id = efx->mii.phy_id; - int reg; - - if (efx->phy_type == PHY_TYPE_SFX7101) { - /* Enable 312.5 MHz clock */ - mdio_clause45_write(efx, phy_id, - MDIO_MMD_PCS, PCS_TEST_SELECT_REG, - 1 << CLK312_EN_LBN); - } else { - /* Enable 312.5 MHz clock and GMII */ - reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD, - PMA_PMD_XCONTROL_REG); - reg |= ((1 << PMA_PMD_EXT_GMII_EN_LBN) | - (1 << PMA_PMD_EXT_CLK_OUT_LBN) | - (1 << PMA_PMD_EXT_CLK312_LBN) | - (1 << PMA_PMD_EXT_ROBUST_LBN)); - - mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD, - PMA_PMD_XCONTROL_REG, reg); - mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT, - GPHY_XCONTROL_REG, GPHY_ISOLATE_LBN, - false); - } - - /* Set the LEDs up as: Green = Link, Amber = Link/Act, Red = Off */ - if (efx->phy_type == PHY_TYPE_SFX7101) { - mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_PMAPMD, - PMA_PMD_LED_CTRL_REG, - PMA_PMA_LED_ACTIVITY_LBN, - true); - mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD, - PMA_PMD_LED_OVERR_REG, PMA_PMD_LED_DEFAULT); - } - - return 0; -} - -static int tenxpress_phy_init(struct efx_nic *efx) -{ - struct tenxpress_phy_data *phy_data; - int rc = 0; - - phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL); - if (!phy_data) - return -ENOMEM; - efx->phy_data = phy_data; - phy_data->phy_mode = efx->phy_mode; - - if (!(efx->phy_mode & PHY_MODE_SPECIAL)) { - if (efx->phy_type == PHY_TYPE_SFT9001A) { - int reg; - reg = mdio_clause45_read(efx, efx->mii.phy_id, - MDIO_MMD_PMAPMD, - PMA_PMD_XCONTROL_REG); - reg |= (1 << PMA_PMD_EXT_SSR_LBN); - mdio_clause45_write(efx, efx->mii.phy_id, - MDIO_MMD_PMAPMD, - PMA_PMD_XCONTROL_REG, reg); - mdelay(200); - } - - rc = mdio_clause45_wait_reset_mmds(efx, - TENXPRESS_REQUIRED_DEVS); - if (rc < 0) - goto fail; - - rc = mdio_clause45_check_mmds(efx, TENXPRESS_REQUIRED_DEVS, 0); - if (rc < 0) - goto fail; - } - - rc = tenxpress_init(efx); - if (rc < 0) - goto fail; - mdio_clause45_set_pause(efx); - - if (efx->phy_type == PHY_TYPE_SFT9001B) { - rc = device_create_file(&efx->pci_dev->dev, - &dev_attr_phy_short_reach); - if (rc) - goto fail; - } - - schedule_timeout_uninterruptible(HZ / 5); /* 200ms */ - - /* Let XGXS and SerDes out of reset */ - falcon_reset_xaui(efx); - - return 0; - - fail: - kfree(efx->phy_data); - efx->phy_data = NULL; - return rc; -} - -/* Perform a "special software reset" on the PHY. The caller is - * responsible for saving and restoring the PHY hardware registers - * properly, and masking/unmasking LASI */ -static int tenxpress_special_reset(struct efx_nic *efx) -{ - int rc, reg; - - /* The XGMAC clock is driven from the SFC7101/SFT9001 312MHz clock, so - * a special software reset can glitch the XGMAC sufficiently for stats - * requests to fail. */ - efx_stats_disable(efx); - - /* Initiate reset */ - reg = mdio_clause45_read(efx, efx->mii.phy_id, - MDIO_MMD_PMAPMD, PMA_PMD_XCONTROL_REG); - reg |= (1 << PMA_PMD_EXT_SSR_LBN); - mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD, - PMA_PMD_XCONTROL_REG, reg); - - mdelay(200); - - /* Wait for the blocks to come out of reset */ - rc = mdio_clause45_wait_reset_mmds(efx, - TENXPRESS_REQUIRED_DEVS); - if (rc < 0) - goto out; - - /* Try and reconfigure the device */ - rc = tenxpress_init(efx); - if (rc < 0) - goto out; - - /* Wait for the XGXS state machine to churn */ - mdelay(10); -out: - efx_stats_enable(efx); - return rc; -} - -static void sfx7101_check_bad_lp(struct efx_nic *efx, bool link_ok) -{ - struct tenxpress_phy_data *pd = efx->phy_data; - int phy_id = efx->mii.phy_id; - bool bad_lp; - int reg; - - if (link_ok) { - bad_lp = false; - } else { - /* Check that AN has started but not completed. */ - reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN, - MDIO_AN_STATUS); - if (!(reg & (1 << MDIO_AN_STATUS_LP_AN_CAP_LBN))) - return; /* LP status is unknown */ - bad_lp = !(reg & (1 << MDIO_AN_STATUS_AN_DONE_LBN)); - if (bad_lp) - pd->bad_lp_tries++; - } - - /* Nothing to do if all is well and was previously so. */ - if (!pd->bad_lp_tries) - return; - - /* Use the RX (red) LED as an error indicator once we've seen AN - * failure several times in a row, and also log a message. */ - if (!bad_lp || pd->bad_lp_tries == MAX_BAD_LP_TRIES) { - reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD, - PMA_PMD_LED_OVERR_REG); - reg &= ~(PMA_PMD_LED_MASK << PMA_PMD_LED_RX_LBN); - if (!bad_lp) { - reg |= PMA_PMD_LED_OFF << PMA_PMD_LED_RX_LBN; - } else { - reg |= PMA_PMD_LED_FLASH << PMA_PMD_LED_RX_LBN; - EFX_ERR(efx, "appears to be plugged into a port" - " that is not 10GBASE-T capable. The PHY" - " supports 10GBASE-T ONLY, so no link can" - " be established\n"); - } - mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD, - PMA_PMD_LED_OVERR_REG, reg); - pd->bad_lp_tries = bad_lp; - } -} - -static bool sfx7101_link_ok(struct efx_nic *efx) -{ - return mdio_clause45_links_ok(efx, - MDIO_MMDREG_DEVS_PMAPMD | - MDIO_MMDREG_DEVS_PCS | - MDIO_MMDREG_DEVS_PHYXS); -} - -static bool sft9001_link_ok(struct efx_nic *efx, struct ethtool_cmd *ecmd) -{ - int phy_id = efx->mii.phy_id; - u32 reg; - - if (efx_phy_mode_disabled(efx->phy_mode)) - return false; - else if (efx->loopback_mode == LOOPBACK_GPHY) - return true; - else if (efx->loopback_mode) - return mdio_clause45_links_ok(efx, - MDIO_MMDREG_DEVS_PMAPMD | - MDIO_MMDREG_DEVS_PHYXS); - - /* We must use the same definition of link state as LASI, - * otherwise we can miss a link state transition - */ - if (ecmd->speed == 10000) { - reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PCS, - PCS_10GBASET_STAT1); - return reg & (1 << PCS_10GBASET_BLKLK_LBN); - } else { - reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT, - C22EXT_STATUS_REG); - return reg & (1 << C22EXT_STATUS_LINK_LBN); - } -} - -static void tenxpress_ext_loopback(struct efx_nic *efx) -{ - int phy_id = efx->mii.phy_id; - - mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_PHYXS, - PHYXS_TEST1, LOOPBACK_NEAR_LBN, - efx->loopback_mode == LOOPBACK_PHYXS); - if (efx->phy_type != PHY_TYPE_SFX7101) - mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT, - GPHY_XCONTROL_REG, - GPHY_LOOPBACK_NEAR_LBN, - efx->loopback_mode == LOOPBACK_GPHY); -} - -static void tenxpress_low_power(struct efx_nic *efx) -{ - int phy_id = efx->mii.phy_id; - - if (efx->phy_type == PHY_TYPE_SFX7101) - mdio_clause45_set_mmds_lpower( - efx, !!(efx->phy_mode & PHY_MODE_LOW_POWER), - TENXPRESS_REQUIRED_DEVS); - else - mdio_clause45_set_flag( - efx, phy_id, MDIO_MMD_PMAPMD, - PMA_PMD_XCONTROL_REG, PMA_PMD_EXT_LPOWER_LBN, - !!(efx->phy_mode & PHY_MODE_LOW_POWER)); -} - -static void tenxpress_phy_reconfigure(struct efx_nic *efx) -{ - struct tenxpress_phy_data *phy_data = efx->phy_data; - struct ethtool_cmd ecmd; - bool phy_mode_change, loop_reset; - - if (efx->phy_mode & (PHY_MODE_OFF | PHY_MODE_SPECIAL)) { - phy_data->phy_mode = efx->phy_mode; - return; - } - - tenxpress_low_power(efx); - - phy_mode_change = (efx->phy_mode == PHY_MODE_NORMAL && - phy_data->phy_mode != PHY_MODE_NORMAL); - loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, efx->phy_op->loopbacks) || - LOOPBACK_CHANGED(phy_data, efx, 1 << LOOPBACK_GPHY)); - - if (loop_reset || phy_mode_change) { - int rc; - - efx->phy_op->get_settings(efx, &ecmd); - - if (loop_reset || phy_mode_change) { - tenxpress_special_reset(efx); - - /* Reset XAUI if we were in 10G, and are staying - * in 10G. If we're moving into and out of 10G - * then xaui will be reset anyway */ - if (EFX_IS10G(efx)) - falcon_reset_xaui(efx); - } - - rc = efx->phy_op->set_settings(efx, &ecmd); - WARN_ON(rc); - } - - mdio_clause45_transmit_disable(efx); - mdio_clause45_phy_reconfigure(efx); - tenxpress_ext_loopback(efx); - - phy_data->loopback_mode = efx->loopback_mode; - phy_data->phy_mode = efx->phy_mode; - - if (efx->phy_type == PHY_TYPE_SFX7101) { - efx->link_speed = 10000; - efx->link_fd = true; - efx->link_up = sfx7101_link_ok(efx); - } else { - efx->phy_op->get_settings(efx, &ecmd); - efx->link_speed = ecmd.speed; - efx->link_fd = ecmd.duplex == DUPLEX_FULL; - efx->link_up = sft9001_link_ok(efx, &ecmd); - } - efx->link_fc = mdio_clause45_get_pause(efx); -} - -/* Poll PHY for interrupt */ -static void tenxpress_phy_poll(struct efx_nic *efx) -{ - struct tenxpress_phy_data *phy_data = efx->phy_data; - bool change = false; - - if (efx->phy_type == PHY_TYPE_SFX7101) { - bool link_ok = sfx7101_link_ok(efx); - if (link_ok != efx->link_up) { - change = true; - } else { - unsigned int link_fc = mdio_clause45_get_pause(efx); - if (link_fc != efx->link_fc) - change = true; - } - sfx7101_check_bad_lp(efx, link_ok); - } else if (efx->loopback_mode) { - bool link_ok = sft9001_link_ok(efx, NULL); - if (link_ok != efx->link_up) - change = true; - } else { - u32 status = mdio_clause45_read(efx, efx->mii.phy_id, - MDIO_MMD_PMAPMD, - PMA_PMD_LASI_STATUS); - if (status & (1 << PMA_PMD_LS_ALARM_LBN)) - change = true; - } - - if (change) - falcon_sim_phy_event(efx); - - if (phy_data->phy_mode != PHY_MODE_NORMAL) - return; -} - -static void tenxpress_phy_fini(struct efx_nic *efx) -{ - int reg; - - if (efx->phy_type == PHY_TYPE_SFT9001B) - device_remove_file(&efx->pci_dev->dev, - &dev_attr_phy_short_reach); - - if (efx->phy_type == PHY_TYPE_SFX7101) { - /* Power down the LNPGA */ - reg = (1 << PMA_PMD_LNPGA_POWERDOWN_LBN); - mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD, - PMA_PMD_XCONTROL_REG, reg); - - /* Waiting here ensures that the board fini, which can turn - * off the power to the PHY, won't get run until the LNPGA - * powerdown has been given long enough to complete. */ - schedule_timeout_uninterruptible(LNPGA_PDOWN_WAIT); /* 200 ms */ - } - - kfree(efx->phy_data); - efx->phy_data = NULL; -} - - -/* Set the RX and TX LEDs and Link LED flashing. The other LEDs - * (which probably aren't wired anyway) are left in AUTO mode */ -void tenxpress_phy_blink(struct efx_nic *efx, bool blink) -{ - int reg; - - if (blink) - reg = (PMA_PMD_LED_FLASH << PMA_PMD_LED_TX_LBN) | - (PMA_PMD_LED_FLASH << PMA_PMD_LED_RX_LBN) | - (PMA_PMD_LED_FLASH << PMA_PMD_LED_LINK_LBN); - else - reg = PMA_PMD_LED_DEFAULT; - - mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD, - PMA_PMD_LED_OVERR_REG, reg); -} - -static const char *const sfx7101_test_names[] = { - "bist" -}; - -static int -sfx7101_run_tests(struct efx_nic *efx, int *results, unsigned flags) -{ - int rc; - - if (!(flags & ETH_TEST_FL_OFFLINE)) - return 0; - - /* BIST is automatically run after a special software reset */ - rc = tenxpress_special_reset(efx); - results[0] = rc ? -1 : 1; - return rc; -} - -static const char *const sft9001_test_names[] = { - "bist", - "cable.pairA.status", - "cable.pairB.status", - "cable.pairC.status", - "cable.pairD.status", - "cable.pairA.length", - "cable.pairB.length", - "cable.pairC.length", - "cable.pairD.length", -}; - -static int sft9001_run_tests(struct efx_nic *efx, int *results, unsigned flags) -{ - struct ethtool_cmd ecmd; - int phy_id = efx->mii.phy_id; - int rc = 0, rc2, i, ctrl_reg, res_reg; - - if (flags & ETH_TEST_FL_OFFLINE) - efx->phy_op->get_settings(efx, &ecmd); - - /* Initialise cable diagnostic results to unknown failure */ - for (i = 1; i < 9; ++i) - results[i] = -1; - - /* Run cable diagnostics; wait up to 5 seconds for them to complete. - * A cable fault is not a self-test failure, but a timeout is. */ - ctrl_reg = ((1 << CDIAG_CTRL_IMMED_LBN) | - (CDIAG_CTRL_LEN_METRES << CDIAG_CTRL_LEN_UNIT_LBN)); - if (flags & ETH_TEST_FL_OFFLINE) { - /* Break the link in order to run full diagnostics. We - * must reset the PHY to resume normal service. */ - ctrl_reg |= (1 << CDIAG_CTRL_BRK_LINK_LBN); - } - mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD, - PMA_PMD_CDIAG_CTRL_REG, ctrl_reg); - i = 0; - while (mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD, - PMA_PMD_CDIAG_CTRL_REG) & - (1 << CDIAG_CTRL_IN_PROG_LBN)) { - if (++i == 50) { - rc = -ETIMEDOUT; - goto out; - } - msleep(100); - } - res_reg = mdio_clause45_read(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD, - PMA_PMD_CDIAG_RES_REG); - for (i = 0; i < 4; i++) { - int pair_res = - (res_reg >> (CDIAG_RES_A_LBN - i * CDIAG_RES_WIDTH)) - & ((1 << CDIAG_RES_WIDTH) - 1); - int len_reg = mdio_clause45_read(efx, efx->mii.phy_id, - MDIO_MMD_PMAPMD, - PMA_PMD_CDIAG_LEN_REG + i); - if (pair_res == CDIAG_RES_OK) - results[1 + i] = 1; - else if (pair_res == CDIAG_RES_INVALID) - results[1 + i] = -1; - else - results[1 + i] = -pair_res; - if (pair_res != CDIAG_RES_INVALID && - pair_res != CDIAG_RES_OPEN && - len_reg != 0xffff) - results[5 + i] = len_reg; - } - -out: - if (flags & ETH_TEST_FL_OFFLINE) { - /* Reset, running the BIST and then resuming normal service. */ - rc2 = tenxpress_special_reset(efx); - results[0] = rc2 ? -1 : 1; - if (!rc) - rc = rc2; - - rc2 = efx->phy_op->set_settings(efx, &ecmd); - if (!rc) - rc = rc2; - } - - return rc; -} - -static void -tenxpress_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) -{ - int phy_id = efx->mii.phy_id; - u32 adv = 0, lpa = 0; - int reg; - - if (efx->phy_type != PHY_TYPE_SFX7101) { - reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT, - C22EXT_MSTSLV_CTRL); - if (reg & (1 << C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN)) - adv |= ADVERTISED_1000baseT_Full; - reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT, - C22EXT_MSTSLV_STATUS); - if (reg & (1 << C22EXT_MSTSLV_STATUS_LP_1000_HD_LBN)) - lpa |= ADVERTISED_1000baseT_Half; - if (reg & (1 << C22EXT_MSTSLV_STATUS_LP_1000_FD_LBN)) - lpa |= ADVERTISED_1000baseT_Full; - } - reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN, - MDIO_AN_10GBT_CTRL); - if (reg & (1 << MDIO_AN_10GBT_CTRL_ADV_10G_LBN)) - adv |= ADVERTISED_10000baseT_Full; - reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN, - MDIO_AN_10GBT_STATUS); - if (reg & (1 << MDIO_AN_10GBT_STATUS_LP_10G_LBN)) - lpa |= ADVERTISED_10000baseT_Full; - - mdio_clause45_get_settings_ext(efx, ecmd, adv, lpa); - - if (efx->phy_type != PHY_TYPE_SFX7101) - ecmd->supported |= (SUPPORTED_100baseT_Full | - SUPPORTED_1000baseT_Full); - - /* In loopback, the PHY automatically brings up the correct interface, - * but doesn't advertise the correct speed. So override it */ - if (efx->loopback_mode == LOOPBACK_GPHY) - ecmd->speed = SPEED_1000; - else if (LOOPBACK_MASK(efx) & efx->phy_op->loopbacks) - ecmd->speed = SPEED_10000; -} - -static int tenxpress_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) -{ - if (!ecmd->autoneg) - return -EINVAL; - - return mdio_clause45_set_settings(efx, ecmd); -} - -static void sfx7101_set_npage_adv(struct efx_nic *efx, u32 advertising) -{ - mdio_clause45_set_flag(efx, efx->mii.phy_id, MDIO_MMD_AN, - MDIO_AN_10GBT_CTRL, - MDIO_AN_10GBT_CTRL_ADV_10G_LBN, - advertising & ADVERTISED_10000baseT_Full); -} - -static void sft9001_set_npage_adv(struct efx_nic *efx, u32 advertising) -{ - int phy_id = efx->mii.phy_id; - - mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT, - C22EXT_MSTSLV_CTRL, - C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN, - advertising & ADVERTISED_1000baseT_Full); - mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_AN, - MDIO_AN_10GBT_CTRL, - MDIO_AN_10GBT_CTRL_ADV_10G_LBN, - advertising & ADVERTISED_10000baseT_Full); -} - -struct efx_phy_operations falcon_sfx7101_phy_ops = { - .macs = EFX_XMAC, - .init = tenxpress_phy_init, - .reconfigure = tenxpress_phy_reconfigure, - .poll = tenxpress_phy_poll, - .fini = tenxpress_phy_fini, - .clear_interrupt = efx_port_dummy_op_void, - .get_settings = tenxpress_get_settings, - .set_settings = tenxpress_set_settings, - .set_npage_adv = sfx7101_set_npage_adv, - .num_tests = ARRAY_SIZE(sfx7101_test_names), - .test_names = sfx7101_test_names, - .run_tests = sfx7101_run_tests, - .mmds = TENXPRESS_REQUIRED_DEVS, - .loopbacks = SFX7101_LOOPBACKS, -}; - -struct efx_phy_operations falcon_sft9001_phy_ops = { - .macs = EFX_GMAC | EFX_XMAC, - .init = tenxpress_phy_init, - .reconfigure = tenxpress_phy_reconfigure, - .poll = tenxpress_phy_poll, - .fini = tenxpress_phy_fini, - .clear_interrupt = efx_port_dummy_op_void, - .get_settings = tenxpress_get_settings, - .set_settings = tenxpress_set_settings, - .set_npage_adv = sft9001_set_npage_adv, - .num_tests = ARRAY_SIZE(sft9001_test_names), - .test_names = sft9001_test_names, - .run_tests = sft9001_run_tests, - .mmds = TENXPRESS_REQUIRED_DEVS, - .loopbacks = SFT9001_LOOPBACKS, -}; |