sfc-y += efx.o falcon.o tx.o rx.o falcon_gmac.o \
- falcon_xmac.o selftest.o ethtool.o xfp_phy.o \
+ falcon_xmac.o selftest.o ethtool.o qt202x_phy.o \
mdio_10g.o tenxpress.o falcon_boards.o
sfc-$(CONFIG_SFC_MTD) += mtd.o
break;
case PHY_TYPE_QT2022C2:
case PHY_TYPE_QT2025C:
- efx->phy_op = &falcon_xfp_phy_ops;
+ efx->phy_op = &falcon_qt202x_phy_ops;
break;
default:
EFX_ERR(efx, "Unknown PHY type %d\n",
{
/* Set the TX and RX LEDs to reflect status and activity, and the
* fault LED off */
- xfp_set_led(efx, SFE4002_TX_LED,
- QUAKE_LED_TXLINK | QUAKE_LED_LINK_ACTSTAT);
- xfp_set_led(efx, SFE4002_RX_LED,
- QUAKE_LED_RXLINK | QUAKE_LED_LINK_ACTSTAT);
- xfp_set_led(efx, SFE4002_FAULT_LED, QUAKE_LED_OFF);
+ falcon_qt202x_set_led(efx, SFE4002_TX_LED,
+ QUAKE_LED_TXLINK | QUAKE_LED_LINK_ACTSTAT);
+ falcon_qt202x_set_led(efx, SFE4002_RX_LED,
+ QUAKE_LED_RXLINK | QUAKE_LED_LINK_ACTSTAT);
+ falcon_qt202x_set_led(efx, SFE4002_FAULT_LED, QUAKE_LED_OFF);
}
static void sfe4002_set_id_led(struct efx_nic *efx, bool state)
{
- xfp_set_led(efx, SFE4002_FAULT_LED, state ? QUAKE_LED_ON :
- QUAKE_LED_OFF);
+ falcon_qt202x_set_led(efx, SFE4002_FAULT_LED, state ? QUAKE_LED_ON :
+ QUAKE_LED_OFF);
}
static int sfe4002_check_hw(struct efx_nic *efx)
static void sfn4112f_init_leds(struct efx_nic *efx)
{
- xfp_set_led(efx, SFN4112F_ACT_LED,
- QUAKE_LED_RXLINK | QUAKE_LED_LINK_ACT);
- xfp_set_led(efx, SFN4112F_LINK_LED,
- QUAKE_LED_RXLINK | QUAKE_LED_LINK_STAT);
+ falcon_qt202x_set_led(efx, SFN4112F_ACT_LED,
+ QUAKE_LED_RXLINK | QUAKE_LED_LINK_ACT);
+ falcon_qt202x_set_led(efx, SFN4112F_LINK_LED,
+ QUAKE_LED_RXLINK | QUAKE_LED_LINK_STAT);
}
static void sfn4112f_set_id_led(struct efx_nic *efx, bool state)
{
- xfp_set_led(efx, SFN4112F_LINK_LED,
- state ? QUAKE_LED_ON : QUAKE_LED_OFF);
+ falcon_qt202x_set_led(efx, SFN4112F_LINK_LED,
+ state ? QUAKE_LED_ON : QUAKE_LED_OFF);
}
static int sfn4112f_check_hw(struct efx_nic *efx)
extern int sft9001_wait_boot(struct efx_nic *efx);
/****************************************************************************
- * AMCC/Quake QT20xx PHYs
+ * AMCC/Quake QT202x PHYs
*/
-extern struct efx_phy_operations falcon_xfp_phy_ops;
+extern struct efx_phy_operations falcon_qt202x_phy_ops;
/* These PHYs provide various H/W control states for LEDs */
#define QUAKE_LED_LINK_INVAL (0)
#define QUAKE_LED_TXLINK (0)
#define QUAKE_LED_RXLINK (8)
-extern void xfp_set_led(struct efx_nic *p, int led, int state);
+extern void falcon_qt202x_set_led(struct efx_nic *p, int led, int state);
#endif
--- /dev/null
+/****************************************************************************
+ * Driver for Solarflare Solarstorm network controllers and boards
+ * Copyright 2006-2008 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.
+ */
+/*
+ * Driver for AMCC QT202x SFP+ and XFP adapters; see www.amcc.com for details
+ */
+
+#include <linux/timer.h>
+#include <linux/delay.h>
+#include "efx.h"
+#include "mdio_10g.h"
+#include "phy.h"
+#include "falcon.h"
+
+#define QT202X_REQUIRED_DEVS (MDIO_DEVS_PCS | \
+ MDIO_DEVS_PMAPMD | \
+ MDIO_DEVS_PHYXS)
+
+#define QT202X_LOOPBACKS ((1 << LOOPBACK_PCS) | \
+ (1 << LOOPBACK_PMAPMD) | \
+ (1 << LOOPBACK_NETWORK))
+
+/****************************************************************************/
+/* Quake-specific MDIO registers */
+#define MDIO_QUAKE_LED0_REG (0xD006)
+
+/* QT2025C only */
+#define PCS_FW_HEARTBEAT_REG 0xd7ee
+#define PCS_FW_HEARTB_LBN 0
+#define PCS_FW_HEARTB_WIDTH 8
+#define PCS_UC8051_STATUS_REG 0xd7fd
+#define PCS_UC_STATUS_LBN 0
+#define PCS_UC_STATUS_WIDTH 8
+#define PCS_UC_STATUS_FW_SAVE 0x20
+#define PMA_PMD_FTX_CTRL2_REG 0xc309
+#define PMA_PMD_FTX_STATIC_LBN 13
+#define PMA_PMD_VEND1_REG 0xc001
+#define PMA_PMD_VEND1_LBTXD_LBN 15
+#define PCS_VEND1_REG 0xc000
+#define PCS_VEND1_LBTXD_LBN 5
+
+void falcon_qt202x_set_led(struct efx_nic *p, int led, int mode)
+{
+ int addr = MDIO_QUAKE_LED0_REG + led;
+ efx_mdio_write(p, MDIO_MMD_PMAPMD, addr, mode);
+}
+
+struct qt202x_phy_data {
+ enum efx_phy_mode phy_mode;
+};
+
+#define QT2022C2_MAX_RESET_TIME 500
+#define QT2022C2_RESET_WAIT 10
+
+static int qt2025c_wait_reset(struct efx_nic *efx)
+{
+ unsigned long timeout = jiffies + 10 * HZ;
+ int reg, old_counter = 0;
+
+ /* Wait for firmware heartbeat to start */
+ for (;;) {
+ int counter;
+ reg = efx_mdio_read(efx, MDIO_MMD_PCS, PCS_FW_HEARTBEAT_REG);
+ if (reg < 0)
+ return reg;
+ counter = ((reg >> PCS_FW_HEARTB_LBN) &
+ ((1 << PCS_FW_HEARTB_WIDTH) - 1));
+ if (old_counter == 0)
+ old_counter = counter;
+ else if (counter != old_counter)
+ break;
+ if (time_after(jiffies, timeout))
+ return -ETIMEDOUT;
+ msleep(10);
+ }
+
+ /* Wait for firmware status to look good */
+ for (;;) {
+ reg = efx_mdio_read(efx, MDIO_MMD_PCS, PCS_UC8051_STATUS_REG);
+ if (reg < 0)
+ return reg;
+ if ((reg &
+ ((1 << PCS_UC_STATUS_WIDTH) - 1) << PCS_UC_STATUS_LBN) >=
+ PCS_UC_STATUS_FW_SAVE)
+ break;
+ if (time_after(jiffies, timeout))
+ return -ETIMEDOUT;
+ msleep(100);
+ }
+
+ return 0;
+}
+
+static int qt202x_reset_phy(struct efx_nic *efx)
+{
+ int rc;
+
+ if (efx->phy_type == PHY_TYPE_QT2025C) {
+ /* Wait for the reset triggered by falcon_reset_hw()
+ * to complete */
+ rc = qt2025c_wait_reset(efx);
+ if (rc < 0)
+ goto fail;
+ } else {
+ /* Reset the PHYXS MMD. This is documented as doing
+ * a complete soft reset. */
+ rc = efx_mdio_reset_mmd(efx, MDIO_MMD_PHYXS,
+ QT2022C2_MAX_RESET_TIME /
+ QT2022C2_RESET_WAIT,
+ QT2022C2_RESET_WAIT);
+ if (rc < 0)
+ goto fail;
+ }
+
+ /* Wait 250ms for the PHY to complete bootup */
+ msleep(250);
+
+ /* Check that all the MMDs we expect are present and responding. We
+ * expect faults on some if the link is down, but not on the PHY XS */
+ rc = efx_mdio_check_mmds(efx, QT202X_REQUIRED_DEVS, MDIO_DEVS_PHYXS);
+ if (rc < 0)
+ goto fail;
+
+ efx->board_info.init_leds(efx);
+
+ return rc;
+
+ fail:
+ EFX_ERR(efx, "PHY reset timed out\n");
+ return rc;
+}
+
+static int qt202x_phy_init(struct efx_nic *efx)
+{
+ struct qt202x_phy_data *phy_data;
+ u32 devid = efx_mdio_read_id(efx, MDIO_MMD_PHYXS);
+ int rc;
+
+ phy_data = kzalloc(sizeof(struct qt202x_phy_data), GFP_KERNEL);
+ if (!phy_data)
+ return -ENOMEM;
+ efx->phy_data = phy_data;
+
+ EFX_INFO(efx, "PHY ID reg %x (OUI %06x model %02x revision %x)\n",
+ devid, efx_mdio_id_oui(devid), efx_mdio_id_model(devid),
+ efx_mdio_id_rev(devid));
+
+ phy_data->phy_mode = efx->phy_mode;
+
+ rc = qt202x_reset_phy(efx);
+
+ EFX_INFO(efx, "PHY init %s.\n",
+ rc ? "failed" : "successful");
+ if (rc < 0)
+ goto fail;
+
+ return 0;
+
+ fail:
+ kfree(efx->phy_data);
+ efx->phy_data = NULL;
+ return rc;
+}
+
+static void qt202x_phy_clear_interrupt(struct efx_nic *efx)
+{
+ /* Read to clear link status alarm */
+ efx_mdio_read(efx, MDIO_MMD_PMAPMD, MDIO_PMA_LASI_STAT);
+}
+
+static int qt202x_link_ok(struct efx_nic *efx)
+{
+ return efx_mdio_links_ok(efx, QT202X_REQUIRED_DEVS);
+}
+
+static void qt202x_phy_poll(struct efx_nic *efx)
+{
+ int link_up = qt202x_link_ok(efx);
+ /* Simulate a PHY event if link state has changed */
+ if (link_up != efx->link_up)
+ falcon_sim_phy_event(efx);
+}
+
+static void qt202x_phy_reconfigure(struct efx_nic *efx)
+{
+ struct qt202x_phy_data *phy_data = efx->phy_data;
+
+ if (efx->phy_type == PHY_TYPE_QT2025C) {
+ /* There are several different register bits which can
+ * disable TX (and save power) on direct-attach cables
+ * or optical transceivers, varying somewhat between
+ * firmware versions. Only 'static mode' appears to
+ * cover everything. */
+ mdio_set_flag(
+ &efx->mdio, efx->mdio.prtad, MDIO_MMD_PMAPMD,
+ PMA_PMD_FTX_CTRL2_REG, 1 << PMA_PMD_FTX_STATIC_LBN,
+ efx->phy_mode & PHY_MODE_TX_DISABLED ||
+ efx->phy_mode & PHY_MODE_LOW_POWER ||
+ efx->loopback_mode == LOOPBACK_PCS ||
+ efx->loopback_mode == LOOPBACK_PMAPMD);
+ } else {
+ /* Reset the PHY when moving from tx off to tx on */
+ if (!(efx->phy_mode & PHY_MODE_TX_DISABLED) &&
+ (phy_data->phy_mode & PHY_MODE_TX_DISABLED))
+ qt202x_reset_phy(efx);
+
+ efx_mdio_transmit_disable(efx);
+ }
+
+ efx_mdio_phy_reconfigure(efx);
+
+ phy_data->phy_mode = efx->phy_mode;
+ efx->link_up = qt202x_link_ok(efx);
+ efx->link_speed = 10000;
+ efx->link_fd = true;
+ efx->link_fc = efx->wanted_fc;
+}
+
+static void qt202x_phy_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
+{
+ mdio45_ethtool_gset(&efx->mdio, ecmd);
+}
+
+static void qt202x_phy_fini(struct efx_nic *efx)
+{
+ /* Clobber the LED if it was blinking */
+ efx->board_info.blink(efx, false);
+
+ /* Free the context block */
+ kfree(efx->phy_data);
+ efx->phy_data = NULL;
+}
+
+struct efx_phy_operations falcon_qt202x_phy_ops = {
+ .macs = EFX_XMAC,
+ .init = qt202x_phy_init,
+ .reconfigure = qt202x_phy_reconfigure,
+ .poll = qt202x_phy_poll,
+ .fini = qt202x_phy_fini,
+ .clear_interrupt = qt202x_phy_clear_interrupt,
+ .get_settings = qt202x_phy_get_settings,
+ .set_settings = efx_mdio_set_settings,
+ .mmds = QT202X_REQUIRED_DEVS,
+ .loopbacks = QT202X_LOOPBACKS,
+};
+++ /dev/null
-/****************************************************************************
- * Driver for Solarflare Solarstorm network controllers and boards
- * Copyright 2006-2008 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.
- */
-/*
- * Driver for SFP+ and XFP optical PHYs plus some support specific to the
- * AMCC QT20xx adapters; see www.amcc.com for details
- */
-
-#include <linux/timer.h>
-#include <linux/delay.h>
-#include "efx.h"
-#include "mdio_10g.h"
-#include "phy.h"
-#include "falcon.h"
-
-#define XFP_REQUIRED_DEVS (MDIO_DEVS_PCS | \
- MDIO_DEVS_PMAPMD | \
- MDIO_DEVS_PHYXS)
-
-#define XFP_LOOPBACKS ((1 << LOOPBACK_PCS) | \
- (1 << LOOPBACK_PMAPMD) | \
- (1 << LOOPBACK_NETWORK))
-
-/****************************************************************************/
-/* Quake-specific MDIO registers */
-#define MDIO_QUAKE_LED0_REG (0xD006)
-
-/* QT2025C only */
-#define PCS_FW_HEARTBEAT_REG 0xd7ee
-#define PCS_FW_HEARTB_LBN 0
-#define PCS_FW_HEARTB_WIDTH 8
-#define PCS_UC8051_STATUS_REG 0xd7fd
-#define PCS_UC_STATUS_LBN 0
-#define PCS_UC_STATUS_WIDTH 8
-#define PCS_UC_STATUS_FW_SAVE 0x20
-#define PMA_PMD_FTX_CTRL2_REG 0xc309
-#define PMA_PMD_FTX_STATIC_LBN 13
-#define PMA_PMD_VEND1_REG 0xc001
-#define PMA_PMD_VEND1_LBTXD_LBN 15
-#define PCS_VEND1_REG 0xc000
-#define PCS_VEND1_LBTXD_LBN 5
-
-void xfp_set_led(struct efx_nic *p, int led, int mode)
-{
- int addr = MDIO_QUAKE_LED0_REG + led;
- efx_mdio_write(p, MDIO_MMD_PMAPMD, addr, mode);
-}
-
-struct xfp_phy_data {
- enum efx_phy_mode phy_mode;
-};
-
-#define XFP_MAX_RESET_TIME 500
-#define XFP_RESET_WAIT 10
-
-static int qt2025c_wait_reset(struct efx_nic *efx)
-{
- unsigned long timeout = jiffies + 10 * HZ;
- int reg, old_counter = 0;
-
- /* Wait for firmware heartbeat to start */
- for (;;) {
- int counter;
- reg = efx_mdio_read(efx, MDIO_MMD_PCS, PCS_FW_HEARTBEAT_REG);
- if (reg < 0)
- return reg;
- counter = ((reg >> PCS_FW_HEARTB_LBN) &
- ((1 << PCS_FW_HEARTB_WIDTH) - 1));
- if (old_counter == 0)
- old_counter = counter;
- else if (counter != old_counter)
- break;
- if (time_after(jiffies, timeout))
- return -ETIMEDOUT;
- msleep(10);
- }
-
- /* Wait for firmware status to look good */
- for (;;) {
- reg = efx_mdio_read(efx, MDIO_MMD_PCS, PCS_UC8051_STATUS_REG);
- if (reg < 0)
- return reg;
- if ((reg &
- ((1 << PCS_UC_STATUS_WIDTH) - 1) << PCS_UC_STATUS_LBN) >=
- PCS_UC_STATUS_FW_SAVE)
- break;
- if (time_after(jiffies, timeout))
- return -ETIMEDOUT;
- msleep(100);
- }
-
- return 0;
-}
-
-static int xfp_reset_phy(struct efx_nic *efx)
-{
- int rc;
-
- if (efx->phy_type == PHY_TYPE_QT2025C) {
- /* Wait for the reset triggered by falcon_reset_hw()
- * to complete */
- rc = qt2025c_wait_reset(efx);
- if (rc < 0)
- goto fail;
- } else {
- /* Reset the PHYXS MMD. This is documented as doing
- * a complete soft reset. */
- rc = efx_mdio_reset_mmd(efx, MDIO_MMD_PHYXS,
- XFP_MAX_RESET_TIME / XFP_RESET_WAIT,
- XFP_RESET_WAIT);
- if (rc < 0)
- goto fail;
- }
-
- /* Wait 250ms for the PHY to complete bootup */
- msleep(250);
-
- /* Check that all the MMDs we expect are present and responding. We
- * expect faults on some if the link is down, but not on the PHY XS */
- rc = efx_mdio_check_mmds(efx, XFP_REQUIRED_DEVS, MDIO_DEVS_PHYXS);
- if (rc < 0)
- goto fail;
-
- efx->board_info.init_leds(efx);
-
- return rc;
-
- fail:
- EFX_ERR(efx, "PHY reset timed out\n");
- return rc;
-}
-
-static int xfp_phy_init(struct efx_nic *efx)
-{
- struct xfp_phy_data *phy_data;
- u32 devid = efx_mdio_read_id(efx, MDIO_MMD_PHYXS);
- int rc;
-
- phy_data = kzalloc(sizeof(struct xfp_phy_data), GFP_KERNEL);
- if (!phy_data)
- return -ENOMEM;
- efx->phy_data = phy_data;
-
- EFX_INFO(efx, "PHY ID reg %x (OUI %06x model %02x revision %x)\n",
- devid, efx_mdio_id_oui(devid), efx_mdio_id_model(devid),
- efx_mdio_id_rev(devid));
-
- phy_data->phy_mode = efx->phy_mode;
-
- rc = xfp_reset_phy(efx);
-
- EFX_INFO(efx, "PHY init %s.\n",
- rc ? "failed" : "successful");
- if (rc < 0)
- goto fail;
-
- return 0;
-
- fail:
- kfree(efx->phy_data);
- efx->phy_data = NULL;
- return rc;
-}
-
-static void xfp_phy_clear_interrupt(struct efx_nic *efx)
-{
- /* Read to clear link status alarm */
- efx_mdio_read(efx, MDIO_MMD_PMAPMD, MDIO_PMA_LASI_STAT);
-}
-
-static int xfp_link_ok(struct efx_nic *efx)
-{
- return efx_mdio_links_ok(efx, XFP_REQUIRED_DEVS);
-}
-
-static void xfp_phy_poll(struct efx_nic *efx)
-{
- int link_up = xfp_link_ok(efx);
- /* Simulate a PHY event if link state has changed */
- if (link_up != efx->link_up)
- falcon_sim_phy_event(efx);
-}
-
-static void xfp_phy_reconfigure(struct efx_nic *efx)
-{
- struct xfp_phy_data *phy_data = efx->phy_data;
-
- if (efx->phy_type == PHY_TYPE_QT2025C) {
- /* There are several different register bits which can
- * disable TX (and save power) on direct-attach cables
- * or optical transceivers, varying somewhat between
- * firmware versions. Only 'static mode' appears to
- * cover everything. */
- mdio_set_flag(
- &efx->mdio, efx->mdio.prtad, MDIO_MMD_PMAPMD,
- PMA_PMD_FTX_CTRL2_REG, 1 << PMA_PMD_FTX_STATIC_LBN,
- efx->phy_mode & PHY_MODE_TX_DISABLED ||
- efx->phy_mode & PHY_MODE_LOW_POWER ||
- efx->loopback_mode == LOOPBACK_PCS ||
- efx->loopback_mode == LOOPBACK_PMAPMD);
- } else {
- /* Reset the PHY when moving from tx off to tx on */
- if (!(efx->phy_mode & PHY_MODE_TX_DISABLED) &&
- (phy_data->phy_mode & PHY_MODE_TX_DISABLED))
- xfp_reset_phy(efx);
-
- efx_mdio_transmit_disable(efx);
- }
-
- efx_mdio_phy_reconfigure(efx);
-
- phy_data->phy_mode = efx->phy_mode;
- efx->link_up = xfp_link_ok(efx);
- efx->link_speed = 10000;
- efx->link_fd = true;
- efx->link_fc = efx->wanted_fc;
-}
-
-static void xfp_phy_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
-{
- mdio45_ethtool_gset(&efx->mdio, ecmd);
-}
-
-static void xfp_phy_fini(struct efx_nic *efx)
-{
- /* Clobber the LED if it was blinking */
- efx->board_info.blink(efx, false);
-
- /* Free the context block */
- kfree(efx->phy_data);
- efx->phy_data = NULL;
-}
-
-struct efx_phy_operations falcon_xfp_phy_ops = {
- .macs = EFX_XMAC,
- .init = xfp_phy_init,
- .reconfigure = xfp_phy_reconfigure,
- .poll = xfp_phy_poll,
- .fini = xfp_phy_fini,
- .clear_interrupt = xfp_phy_clear_interrupt,
- .get_settings = xfp_phy_get_settings,
- .set_settings = efx_mdio_set_settings,
- .mmds = XFP_REQUIRED_DEVS,
- .loopbacks = XFP_LOOPBACKS,
-};
projects / mirror_ubuntu-artful-kernel.git / commitdiff