cxgb3: Add Aeluros 2020 phy support
Add support for the AEL2020 phy. Add PCI IDs of the boards using this phy. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Divy Le Ray
David S. Miller
parent
c3a8c5b644
commit
744514249f
@ -44,12 +44,33 @@ enum {
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AEL_I2C_STAT = 0xc30c,
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AEL2005_GPIO_CTRL = 0xc214,
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AEL2005_GPIO_STAT = 0xc215,
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AEL2020_GPIO_INTR = 0xc103, /* Latch High (LH) */
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AEL2020_GPIO_CTRL = 0xc108, /* Store Clear (SC) */
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AEL2020_GPIO_STAT = 0xc10c, /* Read Only (RO) */
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AEL2020_GPIO_CFG = 0xc110, /* Read Write (RW) */
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AEL2020_GPIO_SDA = 0, /* IN: i2c serial data */
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AEL2020_GPIO_MODDET = 1, /* IN: Module Detect */
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AEL2020_GPIO_0 = 3, /* IN: unassigned */
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AEL2020_GPIO_1 = 2, /* OUT: unassigned */
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AEL2020_GPIO_LSTAT = AEL2020_GPIO_1, /* wired to link status LED */
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};
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enum { edc_none, edc_sr, edc_twinax };
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/* PHY module I2C device address */
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#define MODULE_DEV_ADDR 0xa0
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enum {
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MODULE_DEV_ADDR = 0xa0,
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SFF_DEV_ADDR = 0xa2,
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};
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/* PHY transceiver type */
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enum {
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phy_transtype_unknown = 0,
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phy_transtype_sfp = 3,
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phy_transtype_xfp = 6,
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};
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#define AEL2005_MODDET_IRQ 4
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@ -86,6 +107,37 @@ static void ael100x_txon(struct cphy *phy)
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msleep(30);
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}
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/*
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* Read an 8-bit word from a device attached to the PHY's i2c bus.
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*/
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static int ael_i2c_rd(struct cphy *phy, int dev_addr, int word_addr)
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{
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int i, err;
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unsigned int stat, data;
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err = t3_mdio_write(phy, MDIO_MMD_PMAPMD, AEL_I2C_CTRL,
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(dev_addr << 8) | (1 << 8) | word_addr);
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if (err)
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return err;
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for (i = 0; i < 200; i++) {
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msleep(1);
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err = t3_mdio_read(phy, MDIO_MMD_PMAPMD, AEL_I2C_STAT, &stat);
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if (err)
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return err;
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if ((stat & 3) == 1) {
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err = t3_mdio_read(phy, MDIO_MMD_PMAPMD, AEL_I2C_DATA,
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&data);
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if (err)
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return err;
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return data >> 8;
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}
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}
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CH_WARN(phy->adapter, "PHY %u i2c read of dev.addr %#x.%#x timed out\n",
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phy->mdio.prtad, dev_addr, word_addr);
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return -ETIMEDOUT;
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}
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static int ael1002_power_down(struct cphy *phy, int enable)
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{
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int err;
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@ -199,6 +251,51 @@ int t3_ael1006_phy_prep(struct cphy *phy, struct adapter *adapter,
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return 0;
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}
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/*
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* Decode our module type.
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*/
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static int ael2xxx_get_module_type(struct cphy *phy, int delay_ms)
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{
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int v;
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if (delay_ms)
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msleep(delay_ms);
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/* see SFF-8472 for below */
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v = ael_i2c_rd(phy, MODULE_DEV_ADDR, 3);
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if (v < 0)
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return v;
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if (v == 0x10)
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return phy_modtype_sr;
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if (v == 0x20)
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return phy_modtype_lr;
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if (v == 0x40)
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return phy_modtype_lrm;
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v = ael_i2c_rd(phy, MODULE_DEV_ADDR, 6);
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if (v < 0)
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return v;
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if (v != 4)
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goto unknown;
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v = ael_i2c_rd(phy, MODULE_DEV_ADDR, 10);
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if (v < 0)
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return v;
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if (v & 0x80) {
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v = ael_i2c_rd(phy, MODULE_DEV_ADDR, 0x12);
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if (v < 0)
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return v;
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return v > 10 ? phy_modtype_twinax_long : phy_modtype_twinax;
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}
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unknown:
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return phy_modtype_unknown;
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}
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/*
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* Code to support the Aeluros/NetLogic 2005 10Gb PHY.
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*/
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static int ael2005_setup_sr_edc(struct cphy *phy)
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{
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static struct reg_val regs[] = {
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@ -893,35 +990,7 @@ static int ael2005_setup_twinax_edc(struct cphy *phy, int modtype)
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return err;
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}
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static int ael2005_i2c_rd(struct cphy *phy, int dev_addr, int word_addr)
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{
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int i, err;
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unsigned int stat, data;
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err = t3_mdio_write(phy, MDIO_MMD_PMAPMD, AEL_I2C_CTRL,
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(dev_addr << 8) | (1 << 8) | word_addr);
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if (err)
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return err;
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for (i = 0; i < 5; i++) {
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msleep(1);
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err = t3_mdio_read(phy, MDIO_MMD_PMAPMD, AEL_I2C_STAT, &stat);
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if (err)
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return err;
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if ((stat & 3) == 1) {
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err = t3_mdio_read(phy, MDIO_MMD_PMAPMD, AEL_I2C_DATA,
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&data);
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if (err)
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return err;
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return data >> 8;
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}
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}
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CH_WARN(phy->adapter, "PHY %u I2C read of addr %u timed out\n",
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phy->mdio.prtad, word_addr);
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return -ETIMEDOUT;
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}
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static int get_module_type(struct cphy *phy, int delay_ms)
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static int ael2005_get_module_type(struct cphy *phy, int delay_ms)
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{
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int v;
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unsigned int stat;
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@ -933,39 +1002,7 @@ static int get_module_type(struct cphy *phy, int delay_ms)
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if (stat & (1 << 8)) /* module absent */
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return phy_modtype_none;
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if (delay_ms)
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msleep(delay_ms);
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/* see SFF-8472 for below */
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v = ael2005_i2c_rd(phy, MODULE_DEV_ADDR, 3);
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if (v < 0)
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return v;
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if (v == 0x10)
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return phy_modtype_sr;
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if (v == 0x20)
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return phy_modtype_lr;
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if (v == 0x40)
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return phy_modtype_lrm;
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v = ael2005_i2c_rd(phy, MODULE_DEV_ADDR, 6);
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if (v < 0)
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return v;
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if (v != 4)
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goto unknown;
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v = ael2005_i2c_rd(phy, MODULE_DEV_ADDR, 10);
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if (v < 0)
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return v;
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if (v & 0x80) {
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v = ael2005_i2c_rd(phy, MODULE_DEV_ADDR, 0x12);
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if (v < 0)
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return v;
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return v > 10 ? phy_modtype_twinax_long : phy_modtype_twinax;
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}
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unknown:
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return phy_modtype_unknown;
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return ael2xxx_get_module_type(phy, delay_ms);
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}
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static int ael2005_intr_enable(struct cphy *phy)
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@ -1024,7 +1061,7 @@ static int ael2005_reset(struct cphy *phy, int wait)
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msleep(50);
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err = get_module_type(phy, 0);
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err = ael2005_get_module_type(phy, 0);
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if (err < 0)
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return err;
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phy->modtype = err;
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@ -1062,7 +1099,7 @@ static int ael2005_intr_handler(struct cphy *phy)
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return ret;
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/* modules have max 300 ms init time after hot plug */
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ret = get_module_type(phy, 300);
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ret = ael2005_get_module_type(phy, 300);
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if (ret < 0)
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return ret;
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@ -1112,6 +1149,662 @@ int t3_ael2005_phy_prep(struct cphy *phy, struct adapter *adapter,
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1 << 5);
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}
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/*
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* Setup EDC and other parameters for operation with an optical module.
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*/
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static int ael2020_setup_sr_edc(struct cphy *phy)
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{
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static struct reg_val regs[] = {
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/* set CDR offset to 10 */
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{ MDIO_MMD_PMAPMD, 0xcc01, 0xffff, 0x488a },
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/* adjust 10G RX bias current */
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{ MDIO_MMD_PMAPMD, 0xcb1b, 0xffff, 0x0200 },
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{ MDIO_MMD_PMAPMD, 0xcb1c, 0xffff, 0x00f0 },
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{ MDIO_MMD_PMAPMD, 0xcc06, 0xffff, 0x00e0 },
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/* end */
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{ 0, 0, 0, 0 }
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};
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int err;
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err = set_phy_regs(phy, regs);
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msleep(50);
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if (err)
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return err;
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phy->priv = edc_sr;
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return 0;
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}
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/*
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* Setup EDC and other parameters for operation with an TWINAX module.
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*/
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static int ael2020_setup_twinax_edc(struct cphy *phy, int modtype)
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{
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/* set uC to 40MHz */
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static struct reg_val uCclock40MHz[] = {
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{ MDIO_MMD_PMAPMD, 0xff28, 0xffff, 0x4001 },
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{ MDIO_MMD_PMAPMD, 0xff2a, 0xffff, 0x0002 },
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{ 0, 0, 0, 0 }
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};
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/* activate uC clock */
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static struct reg_val uCclockActivate[] = {
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{ MDIO_MMD_PMAPMD, 0xd000, 0xffff, 0x5200 },
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{ 0, 0, 0, 0 }
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};
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/* set PC to start of SRAM and activate uC */
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static struct reg_val uCactivate[] = {
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{ MDIO_MMD_PMAPMD, 0xd080, 0xffff, 0x0100 },
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{ MDIO_MMD_PMAPMD, 0xd092, 0xffff, 0x0000 },
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{ 0, 0, 0, 0 }
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};
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/* TWINAX EDC firmware */
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static u16 twinax_edc[] = {
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0xd800, 0x4009,
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0xd801, 0x2fff,
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0xd802, 0x300f,
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0xd803, 0x40aa,
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0xd804, 0x401c,
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0xd805, 0x401e,
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0xd806, 0x2ff4,
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0xd807, 0x3dc4,
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0xd808, 0x2035,
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0xd809, 0x3035,
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0xd80a, 0x6524,
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0xd80b, 0x2cb2,
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0xd80c, 0x3012,
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0xd80d, 0x1002,
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0xd80e, 0x26e2,
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0xd80f, 0x3022,
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0xd810, 0x1002,
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0xd811, 0x27d2,
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0xd812, 0x3022,
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0xd813, 0x1002,
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0xd814, 0x2822,
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0xd815, 0x3012,
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0xd816, 0x1002,
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0xd817, 0x2492,
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0xd818, 0x3022,
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0xd819, 0x1002,
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0xd81a, 0x2772,
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0xd81b, 0x3012,
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0xd81c, 0x1002,
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0xd81d, 0x23d2,
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0xd81e, 0x3022,
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0xd81f, 0x1002,
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0xd820, 0x22cd,
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0xd821, 0x301d,
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0xd822, 0x27f2,
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0xd823, 0x3022,
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0xd824, 0x1002,
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0xd825, 0x5553,
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0xd826, 0x0307,
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0xd827, 0x2522,
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0xd828, 0x3022,
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0xd829, 0x1002,
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0xd82a, 0x2142,
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0xd82b, 0x3012,
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0xd82c, 0x1002,
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0xd82d, 0x4016,
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0xd82e, 0x5e63,
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0xd82f, 0x0344,
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0xd830, 0x2142,
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0xd831, 0x3012,
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0xd832, 0x1002,
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0xd833, 0x400e,
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0xd834, 0x2522,
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0xd835, 0x3022,
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0xd836, 0x1002,
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0xd837, 0x2b52,
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0xd838, 0x3012,
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0xd839, 0x1002,
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0xd83a, 0x2742,
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0xd83b, 0x3022,
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0xd83c, 0x1002,
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0xd83d, 0x25e2,
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0xd83e, 0x3022,
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0xd83f, 0x1002,
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0xd840, 0x2fa4,
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0xd841, 0x3dc4,
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0xd842, 0x6624,
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0xd843, 0x414b,
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0xd844, 0x56b3,
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0xd845, 0x03c6,
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0xd846, 0x866b,
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0xd847, 0x400c,
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0xd848, 0x2712,
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0xd849, 0x3012,
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0xd84a, 0x1002,
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0xd84b, 0x2c4b,
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0xd84c, 0x309b,
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0xd84d, 0x56b3,
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0xd84e, 0x03c3,
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0xd84f, 0x866b,
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0xd850, 0x400c,
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0xd851, 0x2272,
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0xd852, 0x3022,
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0xd853, 0x1002,
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0xd854, 0x2742,
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0xd855, 0x3022,
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0xd856, 0x1002,
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0xd857, 0x25e2,
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0xd858, 0x3022,
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0xd859, 0x1002,
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0xd85a, 0x2fb4,
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0xd85b, 0x3dc4,
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0xd85c, 0x6624,
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0xd85d, 0x56b3,
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0xd85e, 0x03c3,
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0xd85f, 0x866b,
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0xd860, 0x401c,
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0xd861, 0x2c45,
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0xd862, 0x3095,
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0xd863, 0x5b53,
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0xd864, 0x2372,
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0xd865, 0x3012,
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0xd866, 0x13c2,
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0xd867, 0x5cc3,
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0xd868, 0x2712,
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0xd869, 0x3012,
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0xd86a, 0x1312,
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0xd86b, 0x2b52,
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0xd86c, 0x3012,
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0xd86d, 0x1002,
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0xd86e, 0x2742,
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0xd86f, 0x3022,
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0xd870, 0x1002,
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0xd871, 0x2582,
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0xd872, 0x3022,
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0xd873, 0x1002,
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0xd874, 0x2142,
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0xd875, 0x3012,
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0xd876, 0x1002,
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0xd877, 0x628f,
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0xd878, 0x2985,
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0xd879, 0x33a5,
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0xd87a, 0x25e2,
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0xd87b, 0x3022,
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0xd87c, 0x1002,
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0xd87d, 0x5653,
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0xd87e, 0x03d2,
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0xd87f, 0x401e,
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0xd880, 0x6f72,
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0xd881, 0x1002,
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0xd882, 0x628f,
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0xd883, 0x2304,
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0xd884, 0x3c84,
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0xd885, 0x6436,
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0xd886, 0xdff4,
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0xd887, 0x6436,
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0xd888, 0x2ff5,
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0xd889, 0x3005,
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0xd88a, 0x8656,
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0xd88b, 0xdfba,
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0xd88c, 0x56a3,
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0xd88d, 0xd05a,
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0xd88e, 0x2972,
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0xd88f, 0x3012,
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0xd890, 0x1392,
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0xd891, 0xd05a,
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0xd892, 0x56a3,
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0xd893, 0xdfba,
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0xd894, 0x0383,
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0xd895, 0x6f72,
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0xd896, 0x1002,
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0xd897, 0x2b45,
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0xd898, 0x3005,
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0xd899, 0x4178,
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0xd89a, 0x5653,
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0xd89b, 0x0384,
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0xd89c, 0x2a62,
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0xd89d, 0x3012,
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0xd89e, 0x1002,
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0xd89f, 0x2f05,
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0xd8a0, 0x3005,
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0xd8a1, 0x41c8,
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0xd8a2, 0x5653,
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0xd8a3, 0x0382,
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0xd8a4, 0x0002,
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0xd8a5, 0x4218,
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0xd8a6, 0x2474,
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0xd8a7, 0x3c84,
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0xd8a8, 0x6437,
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0xd8a9, 0xdff4,
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||||
0xd8aa, 0x6437,
|
||||
0xd8ab, 0x2ff5,
|
||||
0xd8ac, 0x3c05,
|
||||
0xd8ad, 0x8757,
|
||||
0xd8ae, 0xb888,
|
||||
0xd8af, 0x9787,
|
||||
0xd8b0, 0xdff4,
|
||||
0xd8b1, 0x6724,
|
||||
0xd8b2, 0x866a,
|
||||
0xd8b3, 0x6f72,
|
||||
0xd8b4, 0x1002,
|
||||
0xd8b5, 0x2641,
|
||||
0xd8b6, 0x3021,
|
||||
0xd8b7, 0x1001,
|
||||
0xd8b8, 0xc620,
|
||||
0xd8b9, 0x0000,
|
||||
0xd8ba, 0xc621,
|
||||
0xd8bb, 0x0000,
|
||||
0xd8bc, 0xc622,
|
||||
0xd8bd, 0x00ce,
|
||||
0xd8be, 0xc623,
|
||||
0xd8bf, 0x007f,
|
||||
0xd8c0, 0xc624,
|
||||
0xd8c1, 0x0032,
|
||||
0xd8c2, 0xc625,
|
||||
0xd8c3, 0x0000,
|
||||
0xd8c4, 0xc627,
|
||||
0xd8c5, 0x0000,
|
||||
0xd8c6, 0xc628,
|
||||
0xd8c7, 0x0000,
|
||||
0xd8c8, 0xc62c,
|
||||
0xd8c9, 0x0000,
|
||||
0xd8ca, 0x0000,
|
||||
0xd8cb, 0x2641,
|
||||
0xd8cc, 0x3021,
|
||||
0xd8cd, 0x1001,
|
||||
0xd8ce, 0xc502,
|
||||
0xd8cf, 0x53ac,
|
||||
0xd8d0, 0xc503,
|
||||
0xd8d1, 0x2cd3,
|
||||
0xd8d2, 0xc600,
|
||||
0xd8d3, 0x2a6e,
|
||||
0xd8d4, 0xc601,
|
||||
0xd8d5, 0x2a2c,
|
||||
0xd8d6, 0xc605,
|
||||
0xd8d7, 0x5557,
|
||||
0xd8d8, 0xc60c,
|
||||
0xd8d9, 0x5400,
|
||||
0xd8da, 0xc710,
|
||||
0xd8db, 0x0700,
|
||||
0xd8dc, 0xc711,
|
||||
0xd8dd, 0x0f06,
|
||||
0xd8de, 0xc718,
|
||||
0xd8df, 0x0700,
|
||||
0xd8e0, 0xc719,
|
||||
0xd8e1, 0x0f06,
|
||||
0xd8e2, 0xc720,
|
||||
0xd8e3, 0x4700,
|
||||
0xd8e4, 0xc721,
|
||||
0xd8e5, 0x0f06,
|
||||
0xd8e6, 0xc728,
|
||||
0xd8e7, 0x0700,
|
||||
0xd8e8, 0xc729,
|
||||
0xd8e9, 0x1207,
|
||||
0xd8ea, 0xc801,
|
||||
0xd8eb, 0x7f50,
|
||||
0xd8ec, 0xc802,
|
||||
0xd8ed, 0x7760,
|
||||
0xd8ee, 0xc803,
|
||||
0xd8ef, 0x7fce,
|
||||
0xd8f0, 0xc804,
|
||||
0xd8f1, 0x520e,
|
||||
0xd8f2, 0xc805,
|
||||
0xd8f3, 0x5c11,
|
||||
0xd8f4, 0xc806,
|
||||
0xd8f5, 0x3c51,
|
||||
0xd8f6, 0xc807,
|
||||
0xd8f7, 0x4061,
|
||||
0xd8f8, 0xc808,
|
||||
0xd8f9, 0x49c1,
|
||||
0xd8fa, 0xc809,
|
||||
0xd8fb, 0x3840,
|
||||
0xd8fc, 0xc80a,
|
||||
0xd8fd, 0x0000,
|
||||
0xd8fe, 0xc821,
|
||||
0xd8ff, 0x0002,
|
||||
0xd900, 0xc822,
|
||||
0xd901, 0x0046,
|
||||
0xd902, 0xc844,
|
||||
0xd903, 0x182f,
|
||||
0xd904, 0xc013,
|
||||
0xd905, 0xf341,
|
||||
0xd906, 0xc084,
|
||||
0xd907, 0x0030,
|
||||
0xd908, 0xc904,
|
||||
0xd909, 0x1401,
|
||||
0xd90a, 0xcb0c,
|
||||
0xd90b, 0x0004,
|
||||
0xd90c, 0xcb0e,
|
||||
0xd90d, 0xa00a,
|
||||
0xd90e, 0xcb0f,
|
||||
0xd90f, 0xc0c0,
|
||||
0xd910, 0xcb10,
|
||||
0xd911, 0xc0c0,
|
||||
0xd912, 0xcb11,
|
||||
0xd913, 0x00a0,
|
||||
0xd914, 0xcb12,
|
||||
0xd915, 0x0007,
|
||||
0xd916, 0xc241,
|
||||
0xd917, 0xa000,
|
||||
0xd918, 0xc243,
|
||||
0xd919, 0x7fe0,
|
||||
0xd91a, 0xc604,
|
||||
0xd91b, 0x000e,
|
||||
0xd91c, 0xc609,
|
||||
0xd91d, 0x00f5,
|
||||
0xd91e, 0xc611,
|
||||
0xd91f, 0x000e,
|
||||
0xd920, 0xc660,
|
||||
0xd921, 0x9600,
|
||||
0xd922, 0xc687,
|
||||
0xd923, 0x0004,
|
||||
0xd924, 0xc60a,
|
||||
0xd925, 0x04f5,
|
||||
0xd926, 0x0000,
|
||||
0xd927, 0x2641,
|
||||
0xd928, 0x3021,
|
||||
0xd929, 0x1001,
|
||||
0xd92a, 0xc620,
|
||||
0xd92b, 0x14e5,
|
||||
0xd92c, 0xc621,
|
||||
0xd92d, 0xc53d,
|
||||
0xd92e, 0xc622,
|
||||
0xd92f, 0x3cbe,
|
||||
0xd930, 0xc623,
|
||||
0xd931, 0x4452,
|
||||
0xd932, 0xc624,
|
||||
0xd933, 0xc5c5,
|
||||
0xd934, 0xc625,
|
||||
0xd935, 0xe01e,
|
||||
0xd936, 0xc627,
|
||||
0xd937, 0x0000,
|
||||
0xd938, 0xc628,
|
||||
0xd939, 0x0000,
|
||||
0xd93a, 0xc62c,
|
||||
0xd93b, 0x0000,
|
||||
0xd93c, 0x0000,
|
||||
0xd93d, 0x2b84,
|
||||
0xd93e, 0x3c74,
|
||||
0xd93f, 0x6435,
|
||||
0xd940, 0xdff4,
|
||||
0xd941, 0x6435,
|
||||
0xd942, 0x2806,
|
||||
0xd943, 0x3006,
|
||||
0xd944, 0x8565,
|
||||
0xd945, 0x2b24,
|
||||
0xd946, 0x3c24,
|
||||
0xd947, 0x6436,
|
||||
0xd948, 0x1002,
|
||||
0xd949, 0x2b24,
|
||||
0xd94a, 0x3c24,
|
||||
0xd94b, 0x6436,
|
||||
0xd94c, 0x4045,
|
||||
0xd94d, 0x8656,
|
||||
0xd94e, 0x5663,
|
||||
0xd94f, 0x0302,
|
||||
0xd950, 0x401e,
|
||||
0xd951, 0x1002,
|
||||
0xd952, 0x2807,
|
||||
0xd953, 0x31a7,
|
||||
0xd954, 0x20c4,
|
||||
0xd955, 0x3c24,
|
||||
0xd956, 0x6724,
|
||||
0xd957, 0x1002,
|
||||
0xd958, 0x2807,
|
||||
0xd959, 0x3187,
|
||||
0xd95a, 0x20c4,
|
||||
0xd95b, 0x3c24,
|
||||
0xd95c, 0x6724,
|
||||
0xd95d, 0x1002,
|
||||
0xd95e, 0x24f4,
|
||||
0xd95f, 0x3c64,
|
||||
0xd960, 0x6436,
|
||||
0xd961, 0xdff4,
|
||||
0xd962, 0x6436,
|
||||
0xd963, 0x1002,
|
||||
0xd964, 0x2006,
|
||||
0xd965, 0x3d76,
|
||||
0xd966, 0xc161,
|
||||
0xd967, 0x6134,
|
||||
0xd968, 0x6135,
|
||||
0xd969, 0x5443,
|
||||
0xd96a, 0x0303,
|
||||
0xd96b, 0x6524,
|
||||
0xd96c, 0x00fb,
|
||||
0xd96d, 0x1002,
|
||||
0xd96e, 0x20d4,
|
||||
0xd96f, 0x3c24,
|
||||
0xd970, 0x2025,
|
||||
0xd971, 0x3005,
|
||||
0xd972, 0x6524,
|
||||
0xd973, 0x1002,
|
||||
0xd974, 0xd019,
|
||||
0xd975, 0x2104,
|
||||
0xd976, 0x3c24,
|
||||
0xd977, 0x2105,
|
||||
0xd978, 0x3805,
|
||||
0xd979, 0x6524,
|
||||
0xd97a, 0xdff4,
|
||||
0xd97b, 0x4005,
|
||||
0xd97c, 0x6524,
|
||||
0xd97d, 0x2e8d,
|
||||
0xd97e, 0x303d,
|
||||
0xd97f, 0x2408,
|
||||
0xd980, 0x35d8,
|
||||
0xd981, 0x5dd3,
|
||||
0xd982, 0x0307,
|
||||
0xd983, 0x8887,
|
||||
0xd984, 0x63a7,
|
||||
0xd985, 0x8887,
|
||||
0xd986, 0x63a7,
|
||||
0xd987, 0xdffd,
|
||||
0xd988, 0x00f9,
|
||||
0xd989, 0x1002,
|
||||
0xd98a, 0x0000,
|
||||
};
|
||||
int i, err;
|
||||
|
||||
/* set uC clock and activate it */
|
||||
err = set_phy_regs(phy, uCclock40MHz);
|
||||
msleep(500);
|
||||
if (err)
|
||||
return err;
|
||||
err = set_phy_regs(phy, uCclockActivate);
|
||||
msleep(500);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
/* write TWINAX EDC firmware into PHY */
|
||||
for (i = 0; i < ARRAY_SIZE(twinax_edc) && !err; i += 2)
|
||||
err = t3_mdio_write(phy, MDIO_MMD_PMAPMD, twinax_edc[i],
|
||||
twinax_edc[i + 1]);
|
||||
/* activate uC */
|
||||
err = set_phy_regs(phy, uCactivate);
|
||||
if (!err)
|
||||
phy->priv = edc_twinax;
|
||||
return err;
|
||||
}
|
||||
|
||||
/*
|
||||
* Return Module Type.
|
||||
*/
|
||||
static int ael2020_get_module_type(struct cphy *phy, int delay_ms)
|
||||
{
|
||||
int v;
|
||||
unsigned int stat;
|
||||
|
||||
v = t3_mdio_read(phy, MDIO_MMD_PMAPMD, AEL2020_GPIO_STAT, &stat);
|
||||
if (v)
|
||||
return v;
|
||||
|
||||
if (stat & (0x1 << (AEL2020_GPIO_MODDET*4))) {
|
||||
/* module absent */
|
||||
return phy_modtype_none;
|
||||
}
|
||||
|
||||
return ael2xxx_get_module_type(phy, delay_ms);
|
||||
}
|
||||
|
||||
/*
|
||||
* Enable PHY interrupts. We enable "Module Detection" interrupts (on any
|
||||
* state transition) and then generic Link Alarm Status Interrupt (LASI).
|
||||
*/
|
||||
static int ael2020_intr_enable(struct cphy *phy)
|
||||
{
|
||||
int err = t3_mdio_write(phy, MDIO_MMD_PMAPMD, AEL2020_GPIO_CTRL,
|
||||
0x2 << (AEL2020_GPIO_MODDET*4));
|
||||
return err ? err : t3_phy_lasi_intr_enable(phy);
|
||||
}
|
||||
|
||||
/*
|
||||
* Disable PHY interrupts. The mirror of the above ...
|
||||
*/
|
||||
static int ael2020_intr_disable(struct cphy *phy)
|
||||
{
|
||||
int err = t3_mdio_write(phy, MDIO_MMD_PMAPMD, AEL2020_GPIO_CTRL,
|
||||
0x1 << (AEL2020_GPIO_MODDET*4));
|
||||
return err ? err : t3_phy_lasi_intr_disable(phy);
|
||||
}
|
||||
|
||||
/*
|
||||
* Clear PHY interrupt state.
|
||||
*/
|
||||
static int ael2020_intr_clear(struct cphy *phy)
|
||||
{
|
||||
/*
|
||||
* The GPIO Interrupt register on the AEL2020 is a "Latching High"
|
||||
* (LH) register which is cleared to the current state when it's read.
|
||||
* Thus, we simply read the register and discard the result.
|
||||
*/
|
||||
unsigned int stat;
|
||||
int err = t3_mdio_read(phy, MDIO_MMD_PMAPMD, AEL2020_GPIO_INTR, &stat);
|
||||
return err ? err : t3_phy_lasi_intr_clear(phy);
|
||||
}
|
||||
|
||||
/*
|
||||
* Reset the PHY and put it into a canonical operating state.
|
||||
*/
|
||||
static int ael2020_reset(struct cphy *phy, int wait)
|
||||
{
|
||||
static struct reg_val regs0[] = {
|
||||
/* Erratum #2: CDRLOL asserted, causing PMA link down status */
|
||||
{ MDIO_MMD_PMAPMD, 0xc003, 0xffff, 0x3101 },
|
||||
|
||||
/* force XAUI to send LF when RX_LOS is asserted */
|
||||
{ MDIO_MMD_PMAPMD, 0xcd40, 0xffff, 0x0001 },
|
||||
|
||||
/* RX_LOS pin is active high */
|
||||
{ MDIO_MMD_PMAPMD, AEL_OPT_SETTINGS,
|
||||
0x0020, 0x0020 },
|
||||
|
||||
/* output Module's Loss Of Signal (LOS) to LED */
|
||||
{ MDIO_MMD_PMAPMD, AEL2020_GPIO_CFG+AEL2020_GPIO_LSTAT,
|
||||
0xffff, 0x0004 },
|
||||
{ MDIO_MMD_PMAPMD, AEL2020_GPIO_CTRL,
|
||||
0xffff, 0x8 << (AEL2020_GPIO_LSTAT*4) },
|
||||
|
||||
/* end */
|
||||
{ 0, 0, 0, 0 }
|
||||
};
|
||||
int err;
|
||||
unsigned int lasi_ctrl;
|
||||
|
||||
/* grab current interrupt state */
|
||||
err = t3_mdio_read(phy, MDIO_MMD_PMAPMD, MDIO_PMA_LASI_CTRL,
|
||||
&lasi_ctrl);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = t3_phy_reset(phy, MDIO_MMD_PMAPMD, 125);
|
||||
if (err)
|
||||
return err;
|
||||
msleep(100);
|
||||
|
||||
/* basic initialization for all module types */
|
||||
phy->priv = edc_none;
|
||||
err = set_phy_regs(phy, regs0);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
/* determine module type and perform appropriate initialization */
|
||||
err = ael2020_get_module_type(phy, 0);
|
||||
if (err < 0)
|
||||
return err;
|
||||
phy->modtype = (u8)err;
|
||||
if (err == phy_modtype_twinax || err == phy_modtype_twinax_long)
|
||||
err = ael2020_setup_twinax_edc(phy, err);
|
||||
else
|
||||
err = ael2020_setup_sr_edc(phy);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
/* reset wipes out interrupts, reenable them if they were on */
|
||||
if (lasi_ctrl & 1)
|
||||
err = ael2005_intr_enable(phy);
|
||||
return err;
|
||||
}
|
||||
|
||||
/*
|
||||
* Handle a PHY interrupt.
|
||||
*/
|
||||
static int ael2020_intr_handler(struct cphy *phy)
|
||||
{
|
||||
unsigned int stat;
|
||||
int ret, edc_needed, cause = 0;
|
||||
|
||||
ret = t3_mdio_read(phy, MDIO_MMD_PMAPMD, AEL2020_GPIO_INTR, &stat);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
if (stat & (0x1 << AEL2020_GPIO_MODDET)) {
|
||||
/* modules have max 300 ms init time after hot plug */
|
||||
ret = ael2020_get_module_type(phy, 300);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
phy->modtype = (u8)ret;
|
||||
if (ret == phy_modtype_none)
|
||||
edc_needed = phy->priv; /* on unplug retain EDC */
|
||||
else if (ret == phy_modtype_twinax ||
|
||||
ret == phy_modtype_twinax_long)
|
||||
edc_needed = edc_twinax;
|
||||
else
|
||||
edc_needed = edc_sr;
|
||||
|
||||
if (edc_needed != phy->priv) {
|
||||
ret = ael2020_reset(phy, 0);
|
||||
return ret ? ret : cphy_cause_module_change;
|
||||
}
|
||||
cause = cphy_cause_module_change;
|
||||
}
|
||||
|
||||
ret = t3_phy_lasi_intr_handler(phy);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
ret |= cause;
|
||||
return ret ? ret : cphy_cause_link_change;
|
||||
}
|
||||
|
||||
static struct cphy_ops ael2020_ops = {
|
||||
.reset = ael2020_reset,
|
||||
.intr_enable = ael2020_intr_enable,
|
||||
.intr_disable = ael2020_intr_disable,
|
||||
.intr_clear = ael2020_intr_clear,
|
||||
.intr_handler = ael2020_intr_handler,
|
||||
.get_link_status = get_link_status_r,
|
||||
.power_down = ael1002_power_down,
|
||||
.mmds = MDIO_DEVS_PMAPMD | MDIO_DEVS_PCS | MDIO_DEVS_PHYXS,
|
||||
};
|
||||
|
||||
int t3_ael2020_phy_prep(struct cphy *phy, struct adapter *adapter, int phy_addr,
|
||||
const struct mdio_ops *mdio_ops)
|
||||
{
|
||||
cphy_init(phy, adapter, phy_addr, &ael2020_ops, mdio_ops,
|
||||
SUPPORTED_10000baseT_Full | SUPPORTED_AUI | SUPPORTED_FIBRE |
|
||||
SUPPORTED_IRQ, "10GBASE-R");
|
||||
msleep(125);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Get link status for a 10GBASE-X device.
|
||||
*/
|
||||
|
||||
@ -802,6 +802,8 @@ int t3_ael1006_phy_prep(struct cphy *phy, struct adapter *adapter,
|
||||
int phy_addr, const struct mdio_ops *mdio_ops);
|
||||
int t3_ael2005_phy_prep(struct cphy *phy, struct adapter *adapter,
|
||||
int phy_addr, const struct mdio_ops *mdio_ops);
|
||||
int t3_ael2020_phy_prep(struct cphy *phy, struct adapter *adapter,
|
||||
int phy_addr, const struct mdio_ops *mdio_ops);
|
||||
int t3_qt2045_phy_prep(struct cphy *phy, struct adapter *adapter, int phy_addr,
|
||||
const struct mdio_ops *mdio_ops);
|
||||
int t3_xaui_direct_phy_prep(struct cphy *phy, struct adapter *adapter,
|
||||
|
||||
@ -91,6 +91,8 @@ static const struct pci_device_id cxgb3_pci_tbl[] = {
|
||||
CH_DEVICE(0x31, 3), /* T3B20 */
|
||||
CH_DEVICE(0x32, 1), /* T3B02 */
|
||||
CH_DEVICE(0x35, 6), /* T3C20-derived T3C10 */
|
||||
CH_DEVICE(0x36, 3), /* S320E-CR */
|
||||
CH_DEVICE(0x37, 7), /* N320E-G2 */
|
||||
{0,}
|
||||
};
|
||||
|
||||
|
||||
@ -526,6 +526,11 @@ static const struct adapter_info t3_adap_info[] = {
|
||||
F_GPIO10_OEN | F_GPIO1_OUT_VAL | F_GPIO6_OUT_VAL | F_GPIO10_OUT_VAL,
|
||||
{ S_GPIO9 }, SUPPORTED_10000baseT_Full | SUPPORTED_AUI,
|
||||
&mi1_mdio_ext_ops, "Chelsio T310" },
|
||||
{1, 0, 0,
|
||||
F_GPIO1_OEN | F_GPIO6_OEN | F_GPIO7_OEN |
|
||||
F_GPIO1_OUT_VAL | F_GPIO6_OUT_VAL,
|
||||
{ S_GPIO9 }, SUPPORTED_10000baseT_Full | SUPPORTED_AUI,
|
||||
&mi1_mdio_ext_ops, "Chelsio N320E-G2" },
|
||||
};
|
||||
|
||||
/*
|
||||
@ -552,6 +557,8 @@ static const struct port_type_info port_types[] = {
|
||||
{ t3_qt2045_phy_prep },
|
||||
{ t3_ael1006_phy_prep },
|
||||
{ NULL },
|
||||
{ NULL },
|
||||
{ t3_ael2020_phy_prep },
|
||||
};
|
||||
|
||||
#define VPD_ENTRY(name, len) \
|
||||
|
||||
Loading…
Reference in New Issue
Block a user