/* Rate-change complete wait/retry count */
#define AXGBE_RATECHANGE_COUNT 500
+/* CDR delay values for KR support (in usec) */
+#define AXGBE_CDR_DELAY_INIT 10000
+#define AXGBE_CDR_DELAY_INC 10000
+#define AXGBE_CDR_DELAY_MAX 100000
+
enum axgbe_port_mode {
AXGBE_PORT_MODE_RSVD = 0,
AXGBE_PORT_MODE_BACKPLANE,
unsigned int redrv_addr;
unsigned int redrv_lane;
unsigned int redrv_model;
+
+ /* KR AN support */
+ unsigned int phy_cdr_notrack;
+ unsigned int phy_cdr_delay;
};
static enum axgbe_an_mode axgbe_phy_an_mode(struct axgbe_port *pdata);
uint64_t timeout;
unsigned int mutex_id;
- if (phy_data->comm_owned)
- return 0;
-
/* The I2C and MDIO/GPIO bus is multiplexed between multiple devices,
* the driver needs to take the software mutex and then the hardware
* mutexes before being able to use the busses.
*/
pthread_mutex_lock(&pdata->phy_mutex);
+ if (phy_data->comm_owned)
+ return 0;
+
/* Clear the mutexes */
XP_IOWRITE(pdata, XP_I2C_MUTEX, AXGBE_MUTEX_RELEASE);
XP_IOWRITE(pdata, XP_MDIO_MUTEX, AXGBE_MUTEX_RELEASE);
struct axgbe_sfp_eeprom *sfp_eeprom = &phy_data->sfp_eeprom;
if (memcmp(&sfp_eeprom->base[AXGBE_SFP_BASE_VENDOR_NAME],
- AXGBE_BEL_FUSE_VENDOR, AXGBE_SFP_BASE_VENDOR_NAME_LEN))
+ AXGBE_BEL_FUSE_VENDOR, strlen(AXGBE_BEL_FUSE_VENDOR)))
return false;
if (!memcmp(&sfp_eeprom->base[AXGBE_SFP_BASE_VENDOR_PN],
- AXGBE_BEL_FUSE_PARTNO, AXGBE_SFP_BASE_VENDOR_PN_LEN)) {
+ AXGBE_BEL_FUSE_PARTNO, strlen(AXGBE_BEL_FUSE_PARTNO))) {
phy_data->sfp_base = AXGBE_SFP_BASE_1000_SX;
phy_data->sfp_cable = AXGBE_SFP_CABLE_ACTIVE;
phy_data->sfp_speed = AXGBE_SFP_SPEED_1000;
if (sfp_base[AXGBE_SFP_BASE_EXT_ID] != AXGBE_SFP_EXT_ID_SFP)
return;
- if (axgbe_phy_sfp_parse_quirks(pdata))
- return;
+ axgbe_phy_sfp_parse_quirks(pdata);
/* Assume ACTIVE cable unless told it is PASSIVE */
if (sfp_base[AXGBE_SFP_BASE_CABLE] & AXGBE_SFP_BASE_CABLE_PASSIVE) {
phy_data->sfp_speed = AXGBE_SFP_SPEED_UNKNOWN;
}
+static const char *axgbe_base_as_string(enum axgbe_sfp_base sfp_base)
+{
+ switch (sfp_base) {
+ case AXGBE_SFP_BASE_1000_T:
+ return "1G_T";
+ case AXGBE_SFP_BASE_1000_SX:
+ return "1G_SX";
+ case AXGBE_SFP_BASE_1000_LX:
+ return "1G_LX";
+ case AXGBE_SFP_BASE_1000_CX:
+ return "1G_CX";
+ case AXGBE_SFP_BASE_10000_SR:
+ return "10G_SR";
+ case AXGBE_SFP_BASE_10000_LR:
+ return "10G_LR";
+ case AXGBE_SFP_BASE_10000_LRM:
+ return "10G_LRM";
+ case AXGBE_SFP_BASE_10000_ER:
+ return "10G_ER";
+ case AXGBE_SFP_BASE_10000_CR:
+ return "10G_CR";
+ default:
+ return "Unknown";
+ }
+}
+
static void axgbe_phy_sfp_detect(struct axgbe_port *pdata)
{
struct axgbe_phy_data *phy_data = pdata->phy_data;
axgbe_phy_sfp_parse_eeprom(pdata);
axgbe_phy_sfp_external_phy(pdata);
+ PMD_DRV_LOG(DEBUG, "SFP Base: %s\n",
+ axgbe_base_as_string(phy_data->sfp_base));
+
put:
axgbe_phy_sfp_phy_settings(pdata);
axgbe_phy_put_comm_ownership(pdata);
return mode;
}
+static enum axgbe_mode axgbe_phy_an37_sgmii_outcome(struct axgbe_port *pdata)
+{
+ enum axgbe_mode mode;
+
+ pdata->phy.lp_advertising |= ADVERTISED_Autoneg;
+ pdata->phy.lp_advertising |= ADVERTISED_1000baseT_Full;
+
+ if (pdata->phy.pause_autoneg)
+ axgbe_phy_phydev_flowctrl(pdata);
+
+ switch (pdata->an_status & AXGBE_SGMII_AN_LINK_SPEED) {
+ case AXGBE_SGMII_AN_LINK_SPEED_100:
+ if (pdata->an_status & AXGBE_SGMII_AN_LINK_DUPLEX) {
+ pdata->phy.lp_advertising |= ADVERTISED_100baseT_Full;
+ mode = AXGBE_MODE_SGMII_100;
+ } else {
+ mode = AXGBE_MODE_UNKNOWN;
+ }
+ break;
+ case AXGBE_SGMII_AN_LINK_SPEED_1000:
+ if (pdata->an_status & AXGBE_SGMII_AN_LINK_DUPLEX) {
+ pdata->phy.lp_advertising |= ADVERTISED_1000baseT_Full;
+ mode = AXGBE_MODE_SGMII_1000;
+ } else {
+ /* Half-duplex not supported */
+ mode = AXGBE_MODE_UNKNOWN;
+ }
+ break;
+ default:
+ mode = AXGBE_MODE_UNKNOWN;
+ break;
+ }
+ return mode;
+}
+
static enum axgbe_mode axgbe_phy_an_outcome(struct axgbe_port *pdata)
{
switch (pdata->an_mode) {
return axgbe_phy_an73_redrv_outcome(pdata);
case AXGBE_AN_MODE_CL37:
case AXGBE_AN_MODE_CL37_SGMII:
+ return axgbe_phy_an37_sgmii_outcome(pdata);
default:
return AXGBE_MODE_UNKNOWN;
}
static void axgbe_phy_start_ratechange(struct axgbe_port *pdata)
{
- if (!XP_IOREAD_BITS(pdata, XP_DRIVER_INT_RO, STATUS))
+ /* Log if a previous command did not complete */
+ if (XP_IOREAD_BITS(pdata, XP_DRIVER_INT_RO, STATUS))
+ PMD_DRV_LOG(NOTICE, "firmware mailbox not ready for command\n");
+ else
return;
}
rte_delay_us(1500);
}
+ PMD_DRV_LOG(NOTICE, "firmware mailbox command did not complete\n");
}
static void axgbe_phy_rrc(struct axgbe_port *pdata)
XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
axgbe_phy_complete_ratechange(pdata);
+
+ PMD_DRV_LOG(DEBUG, "receiver reset complete\n");
}
static void axgbe_phy_power_off(struct axgbe_port *pdata)
XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
axgbe_phy_complete_ratechange(pdata);
phy_data->cur_mode = AXGBE_MODE_UNKNOWN;
+
+ PMD_DRV_LOG(DEBUG, "phy powered off\n");
}
static void axgbe_phy_sfi_mode(struct axgbe_port *pdata)
XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
axgbe_phy_complete_ratechange(pdata);
phy_data->cur_mode = AXGBE_MODE_SFI;
+
+ PMD_DRV_LOG(DEBUG, "10GbE SFI mode set\n");
}
static void axgbe_phy_kr_mode(struct axgbe_port *pdata)
XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
axgbe_phy_complete_ratechange(pdata);
phy_data->cur_mode = AXGBE_MODE_KR;
+
+ PMD_DRV_LOG(DEBUG, "10GbE KR mode set\n");
+}
+
+static void axgbe_phy_kx_2500_mode(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ unsigned int s0;
+
+ axgbe_phy_set_redrv_mode(pdata);
+ /* 2.5G/KX */
+ axgbe_phy_start_ratechange(pdata);
+ s0 = 0;
+ XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 2);
+ XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 0);
+
+ XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, s0);
+ XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
+
+ XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
+
+ phy_data->cur_mode = AXGBE_MODE_KX_2500;
+}
+
+static void axgbe_phy_sgmii_1000_mode(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+ unsigned int s0;
+
+ axgbe_phy_set_redrv_mode(pdata);
+
+ /* 1G/SGMII */
+ axgbe_phy_start_ratechange(pdata);
+ s0 = 0;
+ XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 1);
+ XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 2);
+
+ XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, s0);
+ XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
+
+ XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
+
+ phy_data->cur_mode = AXGBE_MODE_SGMII_1000;
}
static enum axgbe_mode axgbe_phy_cur_mode(struct axgbe_port *pdata)
case AXGBE_MODE_SFI:
axgbe_phy_sfi_mode(pdata);
break;
+ case AXGBE_MODE_KX_2500:
+ axgbe_phy_kx_2500_mode(pdata);
+ break;
+ case AXGBE_MODE_SGMII_1000:
+ axgbe_phy_sgmii_1000_mode(pdata);
+ break;
default:
break;
}
return true;
}
+static void axgbe_phy_cdr_track(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ if (!pdata->vdata->an_cdr_workaround)
+ return;
+
+ if (!phy_data->phy_cdr_notrack)
+ return;
+
+ rte_delay_us(phy_data->phy_cdr_delay + 400);
+
+ XMDIO_WRITE_BITS(pdata, MDIO_MMD_PMAPMD, MDIO_VEND2_PMA_CDR_CONTROL,
+ AXGBE_PMA_CDR_TRACK_EN_MASK,
+ AXGBE_PMA_CDR_TRACK_EN_ON);
+
+ phy_data->phy_cdr_notrack = 0;
+}
+
+static void axgbe_phy_cdr_notrack(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ if (!pdata->vdata->an_cdr_workaround)
+ return;
+
+ if (phy_data->phy_cdr_notrack)
+ return;
+
+ XMDIO_WRITE_BITS(pdata, MDIO_MMD_PMAPMD, MDIO_VEND2_PMA_CDR_CONTROL,
+ AXGBE_PMA_CDR_TRACK_EN_MASK,
+ AXGBE_PMA_CDR_TRACK_EN_OFF);
+
+ axgbe_phy_rrc(pdata);
+
+ phy_data->phy_cdr_notrack = 1;
+}
+
+static void axgbe_phy_kr_training_post(struct axgbe_port *pdata)
+{
+ if (!pdata->cdr_track_early)
+ axgbe_phy_cdr_track(pdata);
+}
+
+static void axgbe_phy_kr_training_pre(struct axgbe_port *pdata)
+{
+ if (pdata->cdr_track_early)
+ axgbe_phy_cdr_track(pdata);
+}
+
+static void axgbe_phy_an_post(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ switch (pdata->an_mode) {
+ case AXGBE_AN_MODE_CL73:
+ case AXGBE_AN_MODE_CL73_REDRV:
+ if (phy_data->cur_mode != AXGBE_MODE_KR)
+ break;
+
+ axgbe_phy_cdr_track(pdata);
+
+ switch (pdata->an_result) {
+ case AXGBE_AN_READY:
+ case AXGBE_AN_COMPLETE:
+ break;
+ default:
+ if (phy_data->phy_cdr_delay < AXGBE_CDR_DELAY_MAX)
+ phy_data->phy_cdr_delay += AXGBE_CDR_DELAY_INC;
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static void axgbe_phy_an_pre(struct axgbe_port *pdata)
+{
+ struct axgbe_phy_data *phy_data = pdata->phy_data;
+
+ switch (pdata->an_mode) {
+ case AXGBE_AN_MODE_CL73:
+ case AXGBE_AN_MODE_CL73_REDRV:
+ if (phy_data->cur_mode != AXGBE_MODE_KR)
+ break;
+
+ axgbe_phy_cdr_notrack(pdata);
+ break;
+ default:
+ break;
+ }
+}
+
static void axgbe_phy_stop(struct axgbe_port *pdata)
{
struct axgbe_phy_data *phy_data = pdata->phy_data;
axgbe_phy_sfp_reset(phy_data);
axgbe_phy_sfp_mod_absent(pdata);
+ /* Reset CDR support */
+ axgbe_phy_cdr_track(pdata);
+
/* Power off the PHY */
axgbe_phy_power_off(pdata);
/* Start in highest supported mode */
axgbe_phy_set_mode(pdata, phy_data->start_mode);
+ /* Reset CDR support */
+ axgbe_phy_cdr_track(pdata);
+
/* After starting the I2C controller, we can check for an SFP */
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_SFP:
default:
break;
}
+ pdata->phy.advertising &= axgbe_phy_an_advertising(pdata);
return ret;
}
return -EINVAL;
}
}
+
+ phy_data->phy_cdr_delay = AXGBE_CDR_DELAY_INIT;
return 0;
}
void axgbe_init_function_ptrs_phy_v2(struct axgbe_phy_if *phy_if)
phy_impl->an_config = axgbe_phy_an_config;
phy_impl->an_advertising = axgbe_phy_an_advertising;
phy_impl->an_outcome = axgbe_phy_an_outcome;
+
+ phy_impl->an_pre = axgbe_phy_an_pre;
+ phy_impl->an_post = axgbe_phy_an_post;
+
+ phy_impl->kr_training_pre = axgbe_phy_kr_training_pre;
+ phy_impl->kr_training_post = axgbe_phy_kr_training_post;
}