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path: root/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c37
1 files changed, 33 insertions, 4 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
index 2ffa0a11eea5..0cc28c79cc61 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
@@ -78,6 +78,7 @@ struct ethqos_emac_por {
struct ethqos_emac_driver_data {
const struct ethqos_emac_por *por;
unsigned int num_por;
+ bool rgmii_config_looback_en;
};
struct qcom_ethqos {
@@ -90,6 +91,7 @@ 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)
@@ -181,6 +183,22 @@ static const struct ethqos_emac_por emac_v2_3_0_por[] = {
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[] = {
+ { .offset = RGMII_IO_MACRO_CONFIG, .value = 0x40C01343 },
+ { .offset = SDCC_HC_REG_DLL_CONFIG, .value = 0x2004642C },
+ { .offset = SDCC_HC_REG_DDR_CONFIG, .value = 0x00000000 },
+ { .offset = SDCC_HC_REG_DLL_CONFIG2, .value = 0x00200000 },
+ { .offset = SDCC_USR_CTL, .value = 0x00010800 },
+ { .offset = RGMII_IO_MACRO_CONFIG2, .value = 0x00002060 },
+};
+
+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)
@@ -297,8 +315,12 @@ static int ethqos_rgmii_macro_init(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:
@@ -331,8 +353,13 @@ static int ethqos_rgmii_macro_init(struct qcom_ethqos *ethqos)
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:
@@ -504,6 +531,7 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
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)) {
@@ -558,6 +586,7 @@ static int qcom_ethqos_remove(struct platform_device *pdev)
static const struct of_device_id qcom_ethqos_match[] = {
{ .compatible = "qcom,qcs404-ethqos", .data = &emac_v2_3_0_data},
+ { .compatible = "qcom,sm8150-ethqos", .data = &emac_v2_1_0_data},
{ }
};
MODULE_DEVICE_TABLE(of, qcom_ethqos_match);