static int tenxpress_phy_reconfigure(struct efx_nic *efx)
{
struct tenxpress_phy_data *phy_data = efx->phy_data;
bool phy_mode_change, loop_reset;
if (efx->phy_mode & (PHY_MODE_OFF | PHY_MODE_SPECIAL)) {
phy_data->phy_mode = efx->phy_mode;
return 0;
}
phy_mode_change = (efx->phy_mode == PHY_MODE_NORMAL &&
phy_data->phy_mode != PHY_MODE_NORMAL);
loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, LOOPBACKS_EXTERNAL(efx)) ||
LOOPBACK_CHANGED(phy_data, efx, 1 << LOOPBACK_GPHY));
if (loop_reset || phy_mode_change) {
tenxpress_special_reset(efx);
falcon_reset_xaui(efx);
}
tenxpress_low_power(efx);
efx_mdio_transmit_disable(efx);
efx_mdio_phy_reconfigure(efx);
tenxpress_ext_loopback(efx);
efx_mdio_an_reconfigure(efx);
phy_data->loopback_mode = efx->loopback_mode;
phy_data->phy_mode = efx->phy_mode;
return 0;
}
static int tenxpress_phy_init(struct efx_nic *efx)
{
int rc;
falcon_board(efx)->type->init_phy(efx);
if (!(efx->phy_mode & PHY_MODE_SPECIAL)) {
rc = efx_mdio_wait_reset_mmds(efx, TENXPRESS_REQUIRED_DEVS);
if (rc < 0)
return rc;
rc = efx_mdio_check_mmds(efx, TENXPRESS_REQUIRED_DEVS);
if (rc < 0)
return rc;
}
rc = tenxpress_init(efx);
if (rc < 0)
return rc;
/* Reinitialise flow control settings */
efx_link_set_wanted_fc(efx, efx->wanted_fc);
efx_mdio_an_reconfigure(efx);
schedule_timeout_uninterruptible(HZ / 5); /* 200ms */
/* Let XGXS and SerDes out of reset */
falcon_reset_xaui(efx);
return 0;
}
static int sft9001_run_tests(struct efx_nic *efx, int *results, unsigned flags)
{
int rc = 0, rc2, i, ctrl_reg, res_reg;
/* 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. */
ctrl_reg = ((1 << CDIAG_CTRL_IMMED_LBN) |
(CDIAG_CTRL_LEN_METRES << CDIAG_CTRL_LEN_UNIT_LBN));
if (flags & ETH_TEST_FL_OFFLINE) {
/* Break the link in order to run full diagnostics. We
* must reset the PHY to resume normal service. */
ctrl_reg |= (1 << CDIAG_CTRL_BRK_LINK_LBN);
}
efx_mdio_write(efx, MDIO_MMD_PMAPMD, PMA_PMD_CDIAG_CTRL_REG,
ctrl_reg);
i = 0;
while (efx_mdio_read(efx, MDIO_MMD_PMAPMD, PMA_PMD_CDIAG_CTRL_REG) &
(1 << CDIAG_CTRL_IN_PROG_LBN)) {
if (++i == 50) {
rc = -ETIMEDOUT;
goto out;
}
msleep(100);
}
res_reg = efx_mdio_read(efx, 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 = efx_mdio_read(efx, 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;
}
out:
if (flags & ETH_TEST_FL_OFFLINE) {
/* Reset, running the BIST and then resuming normal service. */
rc2 = tenxpress_special_reset(efx);
results[0] = rc2 ? -1 : 1;
if (!rc)
rc = rc2;
efx_mdio_an_reconfigure(efx);
}
return rc;
}
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 */
rc = tenxpress_special_reset(efx);
results[0] = rc ? -1 : 1;
efx_mdio_an_reconfigure(efx);
return rc;
}
static int
sfx7101_run_tests(struct efx_nic *efx, int *results, unsigned flags)
{
int rc;
if (!(flags & ETH_TEST_FL_OFFLINE))
return 0;
rc = tenxpress_special_reset(efx);
results[0] = rc ? -1 : 1;
efx_mdio_an_reconfigure(efx);
return rc;
}
static int tenxpress_phy_init(struct efx_nic *efx)
{
int rc;
falcon_board(efx)->type->init_phy(efx);
if (!(efx->phy_mode & PHY_MODE_SPECIAL)) {
if (efx->phy_type == PHY_TYPE_SFT9001A) {
int reg;
reg = efx_mdio_read(efx, MDIO_MMD_PMAPMD,
PMA_PMD_XCONTROL_REG);
reg |= (1 << PMA_PMD_EXT_SSR_LBN);
efx_mdio_write(efx, MDIO_MMD_PMAPMD,
PMA_PMD_XCONTROL_REG, reg);
mdelay(200);
}
rc = efx_mdio_wait_reset_mmds(efx, TENXPRESS_REQUIRED_DEVS);
if (rc < 0)
return rc;
rc = efx_mdio_check_mmds(efx, TENXPRESS_REQUIRED_DEVS, 0);
if (rc < 0)
return rc;
}
rc = tenxpress_init(efx);
if (rc < 0)
return rc;
/* Reinitialise flow control settings */
efx_link_set_wanted_fc(efx, efx->wanted_fc);
efx_mdio_an_reconfigure(efx);
schedule_timeout_uninterruptible(HZ / 5); /* 200ms */
/* Let XGXS and SerDes out of reset */
falcon_reset_xaui(efx);
return 0;
}
static int tenxpress_phy_reconfigure(struct efx_nic *efx)
{
struct tenxpress_phy_data *phy_data = efx->phy_data;
bool phy_mode_change, loop_reset;
if (efx->phy_mode & (PHY_MODE_OFF | PHY_MODE_SPECIAL)) {
phy_data->phy_mode = efx->phy_mode;
return 0;
}
phy_mode_change = (efx->phy_mode == PHY_MODE_NORMAL &&
phy_data->phy_mode != PHY_MODE_NORMAL);
loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, LOOPBACKS_EXTERNAL(efx)) ||
LOOPBACK_CHANGED(phy_data, efx, 1 << LOOPBACK_GPHY));
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);
}
tenxpress_low_power(efx);
efx_mdio_transmit_disable(efx);
efx_mdio_phy_reconfigure(efx);
tenxpress_ext_loopback(efx);
efx_mdio_an_reconfigure(efx);
phy_data->loopback_mode = efx->loopback_mode;
phy_data->phy_mode = efx->phy_mode;
return 0;
}
