/****************************************************************************
- * Driver for Solarflare 802.3an compliant PHY
- * Copyright 2007 Solarflare Communications Inc.
+ * 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
#include <linux/delay.h>
#include <linux/seq_file.h>
#include "efx.h"
-#include "gmii.h"
#include "mdio_10g.h"
#include "falcon.h"
#include "phy.h"
#include "falcon_hwdefs.h"
#include "boards.h"
-#include "mac.h"
+#include "workarounds.h"
+#include "selftest.h"
-/* We expect these MMDs to be in the package */
-/* AN not here as mdio_check_mmds() requires STAT2 support */
-#define TENXPRESS_REQUIRED_DEVS (MDIO_MMDREG_DEVS0_PMAPMD | \
- MDIO_MMDREG_DEVS0_PCS | \
- MDIO_MMDREG_DEVS0_PHYXS)
-
-#define TENXPRESS_LOOPBACKS ((1 << LOOPBACK_PHYXS) | \
- (1 << LOOPBACK_PCS) | \
- (1 << LOOPBACK_PMAPMD) | \
- (1 << LOOPBACK_NETWORK))
+/* 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 0xc000
-#define PMA_PMD_LNPGA_POWERDOWN_LBN 8
-#define PMA_PMD_LNPGA_POWERDOWN_WIDTH 1
+#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_SSR_LBN 15
+#define PMA_PMD_EXT_SSR_WIDTH 1
/* extended status register */
-#define PMA_PMD_XSTATUS_REG 0xc001
+#define PMA_PMD_XSTATUS_REG 49153
#define PMA_PMD_XSTAT_FLP_LBN (12)
/* LED control register */
-#define PMA_PMD_LED_CTRL_REG (0xc007)
+#define PMA_PMD_LED_CTRL_REG 49159
#define PMA_PMA_LED_ACTIVITY_LBN (3)
/* LED function override register */
-#define PMA_PMD_LED_OVERR_REG (0xc009)
+#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_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)
-
-/* Special Software reset register */
-#define PMA_PMD_EXT_CTRL_REG 49152
-#define PMA_PMD_EXT_SSR_LBN 15
-
-/* Misc register defines */
-#define PCS_CLOCK_CTRL_REG 0xd801
+#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 0xd806
+#define PCS_SOFT_RST2_REG 55302
#define SERDES_RST_N_LBN 13
#define XGXS_RST_N_LBN 12
-#define PCS_TEST_SELECT_REG 0xd807 /* PRM 10.5.8 */
+#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 (0xd000)
+#define PCS_BOOT_STATUS_REG 53248
#define PCS_BOOT_FATAL_ERR_LBN (0)
#define PCS_BOOT_PROGRESS_LBN (1)
#define PCS_BOOT_PROGRESS_WIDTH (2)
#define PCS_BOOT_COMPLETE_LBN (3)
+
#define PCS_BOOT_MAX_DELAY (100)
#define PCS_BOOT_POLL_DELAY (10)
+/* 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_REG 49162
+#define C22EXT_MSTSLV_1000_HD_LBN 10
+#define C22EXT_MSTSLV_1000_HD_WIDTH 1
+#define C22EXT_MSTSLV_1000_FD_LBN 11
+#define C22EXT_MSTSLV_1000_FD_WIDTH 1
+
/* Time to wait between powering down the LNPGA and turning off the power
* rails */
#define LNPGA_PDOWN_WAIT (HZ / 5)
atomic_inc(&phy_data->bad_crc_count);
}
+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);
+
/* Check that the C166 has booted successfully */
static int tenxpress_phy_check(struct efx_nic *efx)
{
static int tenxpress_init(struct efx_nic *efx)
{
- int rc, reg;
+ int phy_id = efx->mii.phy_id;
+ int reg;
+ int rc;
- /* Turn on the clock */
- reg = (1 << CLK312_EN_LBN);
- mdio_clause45_write(efx, efx->mii.phy_id,
- MDIO_MMD_PCS, PCS_TEST_SELECT_REG, 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));
+ 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);
+ }
rc = tenxpress_phy_check(efx);
if (rc < 0)
return rc;
/* Set the LEDs up as: Green = Link, Amber = Link/Act, Red = Off */
- reg = mdio_clause45_read(efx, efx->mii.phy_id,
- MDIO_MMD_PMAPMD, PMA_PMD_LED_CTRL_REG);
- reg |= (1 << PMA_PMA_LED_ACTIVITY_LBN);
- mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD,
- PMA_PMD_LED_CTRL_REG, reg);
-
- reg = PMA_PMD_LED_DEFAULT;
- mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD,
- PMA_PMD_LED_OVERR_REG, reg);
+ 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 rc;
}
efx->phy_data = phy_data;
phy_data->phy_mode = efx->phy_mode;
- rc = mdio_clause45_wait_reset_mmds(efx,
- TENXPRESS_REQUIRED_DEVS);
- if (rc < 0)
- goto fail;
+ 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_check_mmds(efx, TENXPRESS_REQUIRED_DEVS, 0);
- if (rc < 0)
- goto fail;
+ 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;
+ 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 and resets 10XPress */
+ /* Let XGXS and SerDes out of reset */
falcon_reset_xaui(efx);
return 0;
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. Since we don't ofen special_reset, just lock. */
+ * requests to fail. Since we don't often special_reset, just lock. */
spin_lock(&efx->stats_lock);
/* Initiate reset */
reg = mdio_clause45_read(efx, efx->mii.phy_id,
- MDIO_MMD_PMAPMD, PMA_PMD_EXT_CTRL_REG);
+ 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_EXT_CTRL_REG, reg);
+ PMA_PMD_XCONTROL_REG, reg);
mdelay(200);
if (rc < 0)
goto unlock;
+ /* Wait for the XGXS state machine to churn */
+ mdelay(10);
unlock:
spin_unlock(&efx->stats_lock);
return rc;
}
-static void tenxpress_set_bad_lp(struct efx_nic *efx, bool bad_lp)
+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 (!(bad_lp || pd->bad_lp_tries))
+ if (!pd->bad_lp_tries)
return;
- reg = mdio_clause45_read(efx, efx->mii.phy_id,
- MDIO_MMD_PMAPMD, PMA_PMD_LED_OVERR_REG);
+ /* 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;
+ }
+}
- if (bad_lp)
- pd->bad_lp_tries++;
- else
- pd->bad_lp_tries = 0;
-
- if (pd->bad_lp_tries == MAX_BAD_LP_TRIES) {
- pd->bad_lp_tries = 0; /* Restart count */
- reg &= ~(PMA_PMD_LED_FLASH << PMA_PMD_LED_RX_LBN);
- reg |= (PMA_PMD_LED_FLASH << PMA_PMD_LED_RX_LBN);
- EFX_ERR(efx, "This NIC appears to be plugged into"
- " a port that is not 10GBASE-T capable.\n"
- " This PHY is 10GBASE-T ONLY, so no link can"
- " be established.\n");
+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 |= (PMA_PMD_LED_OFF << PMA_PMD_LED_RX_LBN);
+ reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT,
+ C22EXT_STATUS_REG);
+ return reg & (1 << C22EXT_STATUS_LINK_LBN);
}
- mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD,
- PMA_PMD_LED_OVERR_REG, reg);
}
-/* Check link status and return a boolean OK value. If the link is NOT
- * OK we have a quick rummage round to see if we appear to be plugged
- * into a non-10GBT port and if so warn the user that they won't get
- * link any time soon as we are 10GBT only, unless caller specified
- * not to do this check (it isn't useful in loopback) */
-static bool tenxpress_link_ok(struct efx_nic *efx, bool check_lp)
+static void tenxpress_ext_loopback(struct efx_nic *efx)
{
- bool ok = mdio_clause45_links_ok(efx, TENXPRESS_REQUIRED_DEVS);
-
- if (ok) {
- tenxpress_set_bad_lp(efx, false);
- } else if (check_lp) {
- /* Are we plugged into the wrong sort of link? */
- bool bad_lp = false;
- int phy_id = efx->mii.phy_id;
- int an_stat = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN,
- MDIO_AN_STATUS);
- int xphy_stat = mdio_clause45_read(efx, phy_id,
- MDIO_MMD_PMAPMD,
- PMA_PMD_XSTATUS_REG);
- /* Are we plugged into anything that sends FLPs? If
- * not we can't distinguish between not being plugged
- * in and being plugged into a non-AN antique. The FLP
- * bit has the advantage of not clearing when autoneg
- * restarts. */
- if (!(xphy_stat & (1 << PMA_PMD_XSTAT_FLP_LBN))) {
- tenxpress_set_bad_lp(efx, false);
- return ok;
- }
+ int phy_id = efx->mii.phy_id;
- /* If it can do 10GBT it must be XNP capable */
- bad_lp = !(an_stat & (1 << MDIO_AN_STATUS_XNP_LBN));
- if (!bad_lp && (an_stat & (1 << MDIO_AN_STATUS_PAGE_LBN))) {
- bad_lp = !(mdio_clause45_read(efx, phy_id,
- MDIO_MMD_AN, MDIO_AN_10GBT_STATUS) &
- (1 << MDIO_AN_10GBT_STATUS_LP_10G_LBN));
- }
- tenxpress_set_bad_lp(efx, bad_lp);
- }
- return ok;
+ 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_phyxs_loopback(struct efx_nic *efx)
+static void tenxpress_low_power(struct efx_nic *efx)
{
int phy_id = efx->mii.phy_id;
- int ctrl1, ctrl2;
- ctrl1 = ctrl2 = mdio_clause45_read(efx, phy_id, MDIO_MMD_PHYXS,
- PHYXS_TEST1);
- if (efx->loopback_mode == LOOPBACK_PHYXS)
- ctrl2 |= (1 << LOOPBACK_NEAR_LBN);
+ if (efx->phy_type == PHY_TYPE_SFX7101)
+ mdio_clause45_set_mmds_lpower(
+ efx, !!(efx->phy_mode & PHY_MODE_LOW_POWER),
+ TENXPRESS_REQUIRED_DEVS);
else
- ctrl2 &= ~(1 << LOOPBACK_NEAR_LBN);
- if (ctrl1 != ctrl2)
- mdio_clause45_write(efx, phy_id, MDIO_MMD_PHYXS,
- PHYXS_TEST1, ctrl2);
+ 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;
- bool loop_change = LOOPBACK_OUT_OF(phy_data, efx,
- TENXPRESS_LOOPBACKS);
+ struct ethtool_cmd ecmd;
+ bool phy_mode_change, loop_reset, loop_toggle, loopback;
- if (efx->phy_mode & PHY_MODE_SPECIAL) {
+ if (efx->phy_mode & (PHY_MODE_OFF | PHY_MODE_SPECIAL)) {
phy_data->phy_mode = efx->phy_mode;
return;
}
- /* When coming out of transmit disable, coming out of low power
- * mode, or moving out of any PHY internal loopback mode,
- * perform a special software reset */
- if ((efx->phy_mode == PHY_MODE_NORMAL &&
- phy_data->phy_mode != PHY_MODE_NORMAL) ||
- loop_change) {
- tenxpress_special_reset(efx);
- falcon_reset_xaui(efx);
+ tenxpress_low_power(efx);
+
+ phy_mode_change = (efx->phy_mode == PHY_MODE_NORMAL &&
+ phy_data->phy_mode != PHY_MODE_NORMAL);
+ loopback = LOOPBACK_MASK(efx) & efx->phy_op->loopbacks;
+ loop_toggle = LOOPBACK_CHANGED(phy_data, efx, efx->phy_op->loopbacks);
+ loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, efx->phy_op->loopbacks) ||
+ LOOPBACK_CHANGED(phy_data, efx, 1 << LOOPBACK_GPHY));
+
+ if (loop_reset || loop_toggle || loopback || 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);
+ }
+
+ if (efx->phy_type != PHY_TYPE_SFX7101) {
+ /* Only change autoneg once, on coming out or
+ * going into loopback */
+ if (loop_toggle)
+ ecmd.autoneg = !loopback;
+ if (loopback) {
+ ecmd.duplex = DUPLEX_FULL;
+ if (efx->loopback_mode == LOOPBACK_GPHY)
+ ecmd.speed = SPEED_1000;
+ else
+ ecmd.speed = SPEED_10000;
+ }
+ }
+
+ rc = efx->phy_op->set_settings(efx, &ecmd);
+ WARN_ON(rc);
}
mdio_clause45_transmit_disable(efx);
mdio_clause45_phy_reconfigure(efx);
- tenxpress_phyxs_loopback(efx);
+ tenxpress_ext_loopback(efx);
phy_data->loopback_mode = efx->loopback_mode;
phy_data->phy_mode = efx->phy_mode;
- efx->link_up = tenxpress_link_ok(efx, false);
- efx->link_options = GM_LPA_10000FULL;
-}
-static void tenxpress_phy_clear_interrupt(struct efx_nic *efx)
-{
- /* Nothing done here - LASI interrupts aren't reliable so poll */
+ 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 int tenxpress_phy_check_hw(struct efx_nic *efx)
+static void tenxpress_phy_poll(struct efx_nic *efx)
{
struct tenxpress_phy_data *phy_data = efx->phy_data;
- bool link_ok;
- int rc = 0;
+ bool change = false, link_ok;
+ unsigned link_fc;
- link_ok = tenxpress_link_ok(efx, true);
+ if (efx->phy_type == PHY_TYPE_SFX7101) {
+ link_ok = sfx7101_link_ok(efx);
+ if (link_ok != efx->link_up) {
+ change = true;
+ } else {
+ 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 (link_ok != efx->link_up)
- falcon_xmac_sim_phy_event(efx);
+ if (change)
+ falcon_sim_phy_event(efx);
if (phy_data->phy_mode != PHY_MODE_NORMAL)
- return 0;
+ return;
- if (atomic_read(&phy_data->bad_crc_count) > crc_error_reset_threshold) {
+ if (EFX_WORKAROUND_10750(efx) &&
+ atomic_read(&phy_data->bad_crc_count) > crc_error_reset_threshold) {
EFX_ERR(efx, "Resetting XAUI due to too many CRC errors\n");
falcon_reset_xaui(efx);
atomic_set(&phy_data->bad_crc_count, 0);
}
-
- rc = efx->board_info.monitor(efx);
- if (rc) {
- EFX_ERR(efx, "Board sensor %s; shutting down PHY\n",
- (rc == -ERANGE) ? "reported fault" : "failed");
- if (efx->phy_mode & PHY_MODE_OFF) {
- /* Assume that board has shut PHY off */
- phy_data->phy_mode = PHY_MODE_OFF;
- } else {
- efx->phy_mode |= PHY_MODE_LOW_POWER;
- mdio_clause45_set_mmds_lpower(efx, true,
- efx->phy_op->mmds);
- phy_data->phy_mode |= PHY_MODE_LOW_POWER;
- }
- }
-
- return rc;
}
static void tenxpress_phy_fini(struct efx_nic *efx)
{
int reg;
- /* 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 */
+ if (efx->phy_type == PHY_TYPE_SFT9001B) {
+ device_remove_file(&efx->pci_dev->dev,
+ &dev_attr_phy_short_reach);
+ } else {
+ /* 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;
PMA_PMD_LED_OVERR_REG, reg);
}
-static int tenxpress_phy_test(struct efx_nic *efx)
+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 */
- return tenxpress_special_reset(efx);
+ 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, res_reg;
+
+ if (!(flags & ETH_TEST_FL_OFFLINE))
+ return 0;
+
+ 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. */
+ mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD,
+ PMA_PMD_CDIAG_CTRL_REG,
+ (1 << CDIAG_CTRL_IMMED_LBN) |
+ (1 << CDIAG_CTRL_BRK_LINK_LBN) |
+ (CDIAG_CTRL_LEN_METRES << CDIAG_CTRL_LEN_UNIT_LBN));
+ 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 reset;
+ }
+ 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;
+ }
+
+ /* We must reset to exit cable diagnostic mode. The BIST will
+ * also run when we do this. */
+reset:
+ 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 u32 tenxpress_get_xnp_lpa(struct efx_nic *efx)
+{
+ int phy = efx->mii.phy_id;
+ u32 lpa = 0;
+ int reg;
+
+ if (efx->phy_type != PHY_TYPE_SFX7101) {
+ reg = mdio_clause45_read(efx, phy, MDIO_MMD_C22EXT,
+ C22EXT_MSTSLV_REG);
+ if (reg & (1 << C22EXT_MSTSLV_1000_HD_LBN))
+ lpa |= ADVERTISED_1000baseT_Half;
+ if (reg & (1 << C22EXT_MSTSLV_1000_FD_LBN))
+ lpa |= ADVERTISED_1000baseT_Full;
+ }
+ reg = mdio_clause45_read(efx, phy, MDIO_MMD_AN, MDIO_AN_10GBT_STATUS);
+ if (reg & (1 << MDIO_AN_10GBT_STATUS_LP_10G_LBN))
+ lpa |= ADVERTISED_10000baseT_Full;
+ return lpa;
+}
+
+static void sfx7101_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
+{
+ mdio_clause45_get_settings_ext(efx, ecmd, ADVERTISED_10000baseT_Full,
+ tenxpress_get_xnp_lpa(efx));
+ ecmd->supported |= SUPPORTED_10000baseT_Full;
+ ecmd->advertising |= ADVERTISED_10000baseT_Full;
+}
+
+static void sft9001_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
+{
+ int phy_id = efx->mii.phy_id;
+ u32 xnp_adv = 0;
+ int reg;
+
+ reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
+ PMA_PMD_SPEED_ENABLE_REG);
+ if (EFX_WORKAROUND_13204(efx) && (reg & (1 << PMA_PMD_100TX_ADV_LBN)))
+ xnp_adv |= ADVERTISED_100baseT_Full;
+ if (reg & (1 << PMA_PMD_1000T_ADV_LBN))
+ xnp_adv |= ADVERTISED_1000baseT_Full;
+ if (reg & (1 << PMA_PMD_10000T_ADV_LBN))
+ xnp_adv |= ADVERTISED_10000baseT_Full;
+
+ mdio_clause45_get_settings_ext(efx, ecmd, xnp_adv,
+ tenxpress_get_xnp_lpa(efx));
+
+ ecmd->supported |= (SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full);
+
+ /* Use the vendor defined C22ext register for duplex settings */
+ if (ecmd->speed != SPEED_10000 && !ecmd->autoneg) {
+ reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT,
+ GPHY_XCONTROL_REG);
+ ecmd->duplex = (reg & (1 << GPHY_DUPLEX_LBN) ?
+ DUPLEX_FULL : DUPLEX_HALF);
+ }
+}
+
+static int sft9001_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
+{
+ int phy_id = efx->mii.phy_id;
+ int rc;
+
+ rc = mdio_clause45_set_settings(efx, ecmd);
+ if (rc)
+ return rc;
+
+ if (ecmd->speed != SPEED_10000 && !ecmd->autoneg)
+ mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT,
+ GPHY_XCONTROL_REG, GPHY_DUPLEX_LBN,
+ ecmd->duplex == DUPLEX_FULL);
+
+ return rc;
}
-struct efx_phy_operations falcon_tenxpress_phy_ops = {
+static bool sft9001_set_xnp_advertise(struct efx_nic *efx, u32 advertising)
+{
+ int phy = efx->mii.phy_id;
+ int reg = mdio_clause45_read(efx, phy, MDIO_MMD_PMAPMD,
+ PMA_PMD_SPEED_ENABLE_REG);
+ bool enabled;
+
+ reg &= ~((1 << 2) | (1 << 3));
+ if (EFX_WORKAROUND_13204(efx) &&
+ (advertising & ADVERTISED_100baseT_Full))
+ reg |= 1 << PMA_PMD_100TX_ADV_LBN;
+ if (advertising & ADVERTISED_1000baseT_Full)
+ reg |= 1 << PMA_PMD_1000T_ADV_LBN;
+ if (advertising & ADVERTISED_10000baseT_Full)
+ reg |= 1 << PMA_PMD_10000T_ADV_LBN;
+ mdio_clause45_write(efx, phy, MDIO_MMD_PMAPMD,
+ PMA_PMD_SPEED_ENABLE_REG, reg);
+
+ enabled = (advertising &
+ (ADVERTISED_1000baseT_Half |
+ ADVERTISED_1000baseT_Full |
+ ADVERTISED_10000baseT_Full));
+ if (EFX_WORKAROUND_13204(efx))
+ enabled |= (advertising & ADVERTISED_100baseT_Full);
+ return enabled;
+}
+
+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 = sfx7101_get_settings,
+ .set_settings = mdio_clause45_set_settings,
+ .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,
- .check_hw = tenxpress_phy_check_hw,
+ .poll = tenxpress_phy_poll,
.fini = tenxpress_phy_fini,
- .clear_interrupt = tenxpress_phy_clear_interrupt,
- .test = tenxpress_phy_test,
+ .clear_interrupt = efx_port_dummy_op_void,
+ .get_settings = sft9001_get_settings,
+ .set_settings = sft9001_set_settings,
+ .set_xnp_advertise = sft9001_set_xnp_advertise,
+ .num_tests = ARRAY_SIZE(sft9001_test_names),
+ .test_names = sft9001_test_names,
+ .run_tests = sft9001_run_tests,
.mmds = TENXPRESS_REQUIRED_DEVS,
- .loopbacks = TENXPRESS_LOOPBACKS,
+ .loopbacks = SFT9001_LOOPBACKS,
};
git.openpandora.org / pandora-kernel.git / blobdiff