#include "axgbe_common.h"
#include "axgbe_phy.h"
-#define AXGBE_PHY_PORT_SPEED_100 BIT(0)
-#define AXGBE_PHY_PORT_SPEED_1000 BIT(1)
-#define AXGBE_PHY_PORT_SPEED_2500 BIT(2)
-#define AXGBE_PHY_PORT_SPEED_10000 BIT(3)
+#define AXGBE_PHY_PORT_SPEED_100 BIT(1)
+#define AXGBE_PHY_PORT_SPEED_1000 BIT(2)
+#define AXGBE_PHY_PORT_SPEED_2500 BIT(3)
+#define AXGBE_PHY_PORT_SPEED_10000 BIT(4)
#define AXGBE_MUTEX_RELEASE 0x80000000
AXGBE_PORT_MODE_10GBASE_T,
AXGBE_PORT_MODE_10GBASE_R,
AXGBE_PORT_MODE_SFP,
+ AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG,
AXGBE_PORT_MODE_MAX,
};
retry = 1;
again2:
- /* Read the specfied register */
+ /* Read the specified register */
i2c_op.cmd = AXGBE_I2C_CMD_READ;
i2c_op.target = target;
i2c_op.len = val_len;
if (ad_reg & 0x80) {
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
mode = AXGBE_MODE_KR;
break;
default:
} else if (ad_reg & 0x20) {
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
mode = AXGBE_MODE_KX_1000;
break;
case AXGBE_PORT_MODE_1000BASE_X:
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
advertising |= ADVERTISED_10000baseKR_Full;
break;
case AXGBE_PORT_MODE_BACKPLANE_2500:
{
return 0;
/* Dummy API since there is no case to support
- * external phy devices registred through kerenl apis
+ * external phy devices registered through kernel APIs
*/
}
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
return AXGBE_AN_MODE_CL73;
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
case AXGBE_PORT_MODE_BACKPLANE_2500:
return AXGBE_AN_MODE_NONE;
case AXGBE_PORT_MODE_1000BASE_T:
axgbe_phy_put_comm_ownership(pdata);
}
-static void axgbe_phy_start_ratechange(struct axgbe_port *pdata)
+static void axgbe_phy_rx_reset(struct axgbe_port *pdata)
{
- /* 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;
+ int reg;
+
+ reg = XMDIO_READ_BITS(pdata, MDIO_MMD_PCS, MDIO_PCS_DIGITAL_STAT,
+ XGBE_PCS_PSEQ_STATE_MASK);
+ if (reg == XGBE_PCS_PSEQ_STATE_POWER_GOOD) {
+ /* Mailbox command timed out, reset of RX block is required.
+ * This can be done by asseting the reset bit and wait for
+ * its compeletion.
+ */
+ XMDIO_WRITE_BITS(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_RX_CTRL1,
+ XGBE_PMA_RX_RST_0_MASK, XGBE_PMA_RX_RST_0_RESET_ON);
+ rte_delay_us(20);
+ XMDIO_WRITE_BITS(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_RX_CTRL1,
+ XGBE_PMA_RX_RST_0_MASK, XGBE_PMA_RX_RST_0_RESET_OFF);
+ rte_delay_us(45);
+ PMD_DRV_LOG(ERR, "firmware mailbox reset performed\n");
+ }
+}
+
+
+static void axgbe_phy_pll_ctrl(struct axgbe_port *pdata, bool enable)
+{
+ XMDIO_WRITE_BITS(pdata, MDIO_MMD_PMAPMD, MDIO_VEND2_PMA_MISC_CTRL0,
+ XGBE_PMA_PLL_CTRL_MASK,
+ enable ? XGBE_PMA_PLL_CTRL_SET
+ : XGBE_PMA_PLL_CTRL_CLEAR);
+
+ /* Wait for command to complete */
+ rte_delay_us(150);
}
-static void axgbe_phy_complete_ratechange(struct axgbe_port *pdata)
+static void axgbe_phy_perform_ratechange(struct axgbe_port *pdata,
+ unsigned int cmd, unsigned int sub_cmd)
{
+ unsigned int s0 = 0;
unsigned int wait;
+ /* Clear the PLL so that it helps in power down sequence */
+ axgbe_phy_pll_ctrl(pdata, false);
+
+ /* 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");
+ axgbe_phy_rx_reset(pdata);
+ }
+
+ /* Construct the command */
+ XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, cmd);
+ XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, sub_cmd);
+
+ /* Issue the command */
+ 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);
/* Wait for command to complete */
wait = AXGBE_RATECHANGE_COUNT;
while (wait--) {
if (!XP_IOREAD_BITS(pdata, XP_DRIVER_INT_RO, STATUS))
- return;
-
+ goto reenable_pll;
rte_delay_us(1500);
}
PMD_DRV_LOG(NOTICE, "firmware mailbox command did not complete\n");
+ /* Reset on error */
+ axgbe_phy_rx_reset(pdata);
+
+reenable_pll:
+ /* Re-enable the PLL control */
+ axgbe_phy_pll_ctrl(pdata, true);
+
+ PMD_DRV_LOG(NOTICE, "firmware mailbox command did not complete\n");
}
static void axgbe_phy_rrc(struct axgbe_port *pdata)
{
- unsigned int s0;
- axgbe_phy_start_ratechange(pdata);
/* Receiver Reset Cycle */
- s0 = 0;
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 5);
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 0);
-
- /* Call FW to make the change */
- 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);
-
- axgbe_phy_complete_ratechange(pdata);
+ axgbe_phy_perform_ratechange(pdata, 5, 0);
PMD_DRV_LOG(DEBUG, "receiver reset complete\n");
}
{
struct axgbe_phy_data *phy_data = pdata->phy_data;
- axgbe_phy_start_ratechange(pdata);
+ /* Power off */
+ axgbe_phy_perform_ratechange(pdata, 0, 0);
- /* Call FW to make the change */
- XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, 0);
- XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
- 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)
{
struct axgbe_phy_data *phy_data = pdata->phy_data;
- unsigned int s0;
axgbe_phy_set_redrv_mode(pdata);
- axgbe_phy_start_ratechange(pdata);
-
/* 10G/SFI */
- s0 = 0;
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 3);
if (phy_data->sfp_cable != AXGBE_SFP_CABLE_PASSIVE) {
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 0);
+ axgbe_phy_perform_ratechange(pdata, 3, 0);
} else {
if (phy_data->sfp_cable_len <= 1)
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 1);
+ axgbe_phy_perform_ratechange(pdata, 3, 1);
else if (phy_data->sfp_cable_len <= 3)
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 2);
+ axgbe_phy_perform_ratechange(pdata, 3, 2);
else
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 3);
+ axgbe_phy_perform_ratechange(pdata, 3, 3);
}
- /* Call FW to make the change */
- 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);
- 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)
{
struct axgbe_phy_data *phy_data = pdata->phy_data;
- unsigned int s0;
axgbe_phy_set_redrv_mode(pdata);
- axgbe_phy_start_ratechange(pdata);
-
/* 10G/KR */
- s0 = 0;
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 4);
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 0);
-
- /* Call FW to make the change */
- 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);
- axgbe_phy_complete_ratechange(pdata);
+ axgbe_phy_perform_ratechange(pdata, 4, 0);
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);
+ /* 2.5G/KX */
+ axgbe_phy_perform_ratechange(pdata, 2, 0);
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);
+ axgbe_phy_perform_ratechange(pdata, 1, 2);
phy_data->cur_mode = AXGBE_MODE_SGMII_1000;
}
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
return axgbe_phy_switch_bp_mode(pdata);
case AXGBE_PORT_MODE_BACKPLANE_2500:
return axgbe_phy_switch_bp_2500_mode(pdata);
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
return axgbe_phy_get_bp_mode(speed);
case AXGBE_PORT_MODE_BACKPLANE_2500:
return axgbe_phy_get_bp_2500_mode(speed);
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
return axgbe_phy_use_bp_mode(pdata, mode);
case AXGBE_PORT_MODE_BACKPLANE_2500:
return axgbe_phy_use_bp_2500_mode(pdata, mode);
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
if ((phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_1000) ||
(phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_10000))
return false;
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
case AXGBE_PORT_MODE_BACKPLANE_2500:
if (phy_data->conn_type == AXGBE_CONN_TYPE_BACKPLANE)
return false;
/* Backplane support */
case AXGBE_PORT_MODE_BACKPLANE:
pdata->phy.supported |= SUPPORTED_Autoneg;
+ /* Fallthrough */
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
pdata->phy.supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
pdata->phy.supported |= SUPPORTED_Backplane;
if (phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_1000) {