struct ethqos_emac_driver_data {
const struct ethqos_emac_por *por;
unsigned int num_por;
+ bool rgmii_config_looback_en;
};
struct qcom_ethqos {
const struct ethqos_emac_por *por;
unsigned int num_por;
+ bool rgmii_config_looback_en;
};
static int rgmii_readl(struct qcom_ethqos *ethqos, unsigned int offset)
static const struct ethqos_emac_driver_data emac_v2_3_0_data = {
.por = emac_v2_3_0_por,
.num_por = ARRAY_SIZE(emac_v2_3_0_por),
+ .rgmii_config_looback_en = true,
};
static const struct ethqos_emac_por emac_v2_1_0_por[] = {
static const struct ethqos_emac_driver_data emac_v2_1_0_data = {
.por = emac_v2_1_0_por,
.num_por = ARRAY_SIZE(emac_v2_1_0_por),
+ .rgmii_config_looback_en = false,
};
static int ethqos_dll_configure(struct qcom_ethqos *ethqos)
rgmii_updatel(ethqos, SDCC_DDR_CONFIG_PRG_DLY_EN,
SDCC_DDR_CONFIG_PRG_DLY_EN,
SDCC_HC_REG_DDR_CONFIG);
- rgmii_updatel(ethqos, RGMII_CONFIG_LOOPBACK_EN,
- RGMII_CONFIG_LOOPBACK_EN, RGMII_IO_MACRO_CONFIG);
+ if (ethqos->rgmii_config_looback_en)
+ rgmii_updatel(ethqos, RGMII_CONFIG_LOOPBACK_EN,
+ RGMII_CONFIG_LOOPBACK_EN, RGMII_IO_MACRO_CONFIG);
+ else
+ rgmii_updatel(ethqos, RGMII_CONFIG_LOOPBACK_EN,
+ 0, RGMII_IO_MACRO_CONFIG);
break;
case SPEED_100:
rgmii_updatel(ethqos, SDCC_DDR_CONFIG_EXT_PRG_RCLK_DLY_EN,
SDCC_DDR_CONFIG_EXT_PRG_RCLK_DLY_EN,
SDCC_HC_REG_DDR_CONFIG);
- rgmii_updatel(ethqos, RGMII_CONFIG_LOOPBACK_EN,
- RGMII_CONFIG_LOOPBACK_EN, RGMII_IO_MACRO_CONFIG);
+ if (ethqos->rgmii_config_looback_en)
+ rgmii_updatel(ethqos, RGMII_CONFIG_LOOPBACK_EN,
+ RGMII_CONFIG_LOOPBACK_EN, RGMII_IO_MACRO_CONFIG);
+ else
+ rgmii_updatel(ethqos, RGMII_CONFIG_LOOPBACK_EN,
+ 0, RGMII_IO_MACRO_CONFIG);
+
break;
case SPEED_10:
data = of_device_get_match_data(&pdev->dev);
ethqos->por = data->por;
ethqos->num_por = data->num_por;
+ ethqos->rgmii_config_looback_en = data->rgmii_config_looback_en;
ethqos->rgmii_clk = devm_clk_get(&pdev->dev, "rgmii");
if (IS_ERR(ethqos->rgmii_clk)) {