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realtek: pcs: rtl930x: use SerDes hw mode in setup entry

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Start using the SerDes hardware in the RTL930x SerDes setup entrypoint.
Use the generic mapper (which will be moved out later to pcs_config) to
determine the mode. In the next steps, switch to solely using that
step-by-step.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/21565
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Jonas Jelonek 2026-01-08 12:21:47 +00:00 • committed by Robert Marko
parent 4a66133724
commit 4406f96e3b
1 changed files with 18 additions and 13 deletions
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31
target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c
View file

@ -2524,17 +2524,22 @@ static int rtpcs_930x_sds_cmu_band_get(struct rtpcs_serdes *sds)
}
static int rtpcs_930x_setup_serdes(struct rtpcs_serdes *sds,
phy_interface_t phy_mode)
phy_interface_t if_mode)
{
int calib_tries = 0;
enum rtpcs_sds_mode hw_mode;
int calib_tries = 0, ret;
ret = rtpcs_sds_determine_hw_mode(sds, if_mode, &hw_mode);
if (ret < 0)
return -ENOTSUPP;
/* Rely on setup from U-boot for some modes, e.g. USXGMII */
switch (phy_mode) {
case PHY_INTERFACE_MODE_1000BASEX:
case PHY_INTERFACE_MODE_SGMII:
case PHY_INTERFACE_MODE_2500BASEX:
case PHY_INTERFACE_MODE_10GBASER:
case PHY_INTERFACE_MODE_10G_QXGMII:
switch (hw_mode) {
case RTPCS_SDS_MODE_1000BASEX:
case RTPCS_SDS_MODE_SGMII:
case RTPCS_SDS_MODE_2500BASEX:
case RTPCS_SDS_MODE_10GBASER:
case RTPCS_SDS_MODE_USXGMII_10GQXGMII:
break;
default:
return 0;
@ -2544,7 +2549,7 @@ static int rtpcs_930x_setup_serdes(struct rtpcs_serdes *sds,
rtpcs_930x_sds_set(sds, RTL930X_SDS_OFF);
/* Apply serdes patches */
rtpcs_930x_sds_patch(sds, phy_mode);
rtpcs_930x_sds_patch(sds, if_mode);
/* Maybe use dal_longan_sds_init */
@ -2558,7 +2563,7 @@ static int rtpcs_930x_setup_serdes(struct rtpcs_serdes *sds,
rtpcs_930x_sds_set_polarity(sds, sds->tx_pol_inv, sds->rx_pol_inv);
/* Enable SDS in desired mode */
rtpcs_930x_sds_mode_set(sds, phy_mode);
rtpcs_930x_sds_mode_set(sds, if_mode);
/* Enable Fiber RX */
rtpcs_sds_write_bits(sds, 0x20, 2, 12, 12, 0);
@ -2566,15 +2571,15 @@ static int rtpcs_930x_setup_serdes(struct rtpcs_serdes *sds,
/* Calibrate SerDes receiver in loopback mode */
rtpcs_930x_sds_10g_idle(sds);
do {
rtpcs_930x_sds_do_rx_calibration(sds, phy_mode);
rtpcs_930x_sds_do_rx_calibration(sds, if_mode);
calib_tries++;
mdelay(50);
} while (rtpcs_930x_sds_check_calibration(sds, phy_mode) && calib_tries < 3);
} while (rtpcs_930x_sds_check_calibration(sds, if_mode) && calib_tries < 3);
if (calib_tries >= 3)
pr_warn("%s: SerDes RX calibration failed\n", __func__);
/* Leave loopback mode */
rtpcs_930x_sds_tx_config(sds, phy_mode);
rtpcs_930x_sds_tx_config(sds, if_mode);
return 0;
}