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path: root/drivers/net/dwc_eth_qos_rockchip.c
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Diffstat (limited to 'drivers/net/dwc_eth_qos_rockchip.c')
-rw-r--r--drivers/net/dwc_eth_qos_rockchip.c292
1 files changed, 291 insertions, 1 deletions
diff --git a/drivers/net/dwc_eth_qos_rockchip.c b/drivers/net/dwc_eth_qos_rockchip.c
index f3a0f63003e..d646d3ebac8 100644
--- a/drivers/net/dwc_eth_qos_rockchip.c
+++ b/drivers/net/dwc_eth_qos_rockchip.c
@@ -50,6 +50,132 @@ struct rockchip_platform_data {
(((tx) ? soc##_GMAC_TXCLK_DLY_ENABLE : soc##_GMAC_TXCLK_DLY_DISABLE) | \
((rx) ? soc##_GMAC_RXCLK_DLY_ENABLE : soc##_GMAC_RXCLK_DLY_DISABLE))
+#define RK3528_VO_GRF_GMAC_CON 0x0018
+#define RK3528_VPU_GRF_GMAC_CON5 0x0018
+#define RK3528_VPU_GRF_GMAC_CON6 0x001c
+
+#define RK3528_GMAC_RXCLK_DLY_ENABLE GRF_BIT(15)
+#define RK3528_GMAC_RXCLK_DLY_DISABLE GRF_CLR_BIT(15)
+#define RK3528_GMAC_TXCLK_DLY_ENABLE GRF_BIT(14)
+#define RK3528_GMAC_TXCLK_DLY_DISABLE GRF_CLR_BIT(14)
+
+#define RK3528_GMAC_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0xFF, 8)
+#define RK3528_GMAC_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0xFF, 0)
+
+#define RK3528_GMAC0_PHY_INTF_SEL_RMII GRF_BIT(1)
+#define RK3528_GMAC1_PHY_INTF_SEL_RGMII GRF_CLR_BIT(8)
+#define RK3528_GMAC1_PHY_INTF_SEL_RMII GRF_BIT(8)
+
+#define RK3528_GMAC1_CLK_SELECT_CRU GRF_CLR_BIT(12)
+#define RK3528_GMAC1_CLK_SELECT_IO GRF_BIT(12)
+
+#define RK3528_GMAC0_CLK_RMII_DIV2 GRF_BIT(3)
+#define RK3528_GMAC0_CLK_RMII_DIV20 GRF_CLR_BIT(3)
+#define RK3528_GMAC1_CLK_RMII_DIV2 GRF_BIT(10)
+#define RK3528_GMAC1_CLK_RMII_DIV20 GRF_CLR_BIT(10)
+
+#define RK3528_GMAC1_CLK_RGMII_DIV1 (GRF_CLR_BIT(11) | GRF_CLR_BIT(10))
+#define RK3528_GMAC1_CLK_RGMII_DIV5 (GRF_BIT(11) | GRF_BIT(10))
+#define RK3528_GMAC1_CLK_RGMII_DIV50 (GRF_BIT(11) | GRF_CLR_BIT(10))
+
+#define RK3528_GMAC0_CLK_RMII_GATE GRF_BIT(2)
+#define RK3528_GMAC0_CLK_RMII_NOGATE GRF_CLR_BIT(2)
+#define RK3528_GMAC1_CLK_RMII_GATE GRF_BIT(9)
+#define RK3528_GMAC1_CLK_RMII_NOGATE GRF_CLR_BIT(9)
+
+static int rk3528_set_to_rgmii(struct udevice *dev,
+ int tx_delay, int rx_delay)
+{
+ struct eth_pdata *pdata = dev_get_plat(dev);
+ struct rockchip_platform_data *data = pdata->priv_pdata;
+
+ regmap_write(data->grf, RK3528_VPU_GRF_GMAC_CON5,
+ RK3528_GMAC1_PHY_INTF_SEL_RGMII);
+
+ regmap_write(data->grf, RK3528_VPU_GRF_GMAC_CON5,
+ DELAY_ENABLE(RK3528, tx_delay, rx_delay));
+
+ regmap_write(data->grf, RK3528_VPU_GRF_GMAC_CON6,
+ RK3528_GMAC_CLK_RX_DL_CFG(rx_delay) |
+ RK3528_GMAC_CLK_TX_DL_CFG(tx_delay));
+
+ return 0;
+}
+
+static int rk3528_set_to_rmii(struct udevice *dev)
+{
+ struct eth_pdata *pdata = dev_get_plat(dev);
+ struct rockchip_platform_data *data = pdata->priv_pdata;
+
+ if (data->id == 1)
+ regmap_write(data->grf, RK3528_VPU_GRF_GMAC_CON5,
+ RK3528_GMAC1_PHY_INTF_SEL_RMII);
+ else
+ regmap_write(data->grf, RK3528_VO_GRF_GMAC_CON,
+ RK3528_GMAC0_PHY_INTF_SEL_RMII |
+ RK3528_GMAC0_CLK_RMII_DIV2);
+
+ return 0;
+}
+
+static int rk3528_set_gmac_speed(struct udevice *dev)
+{
+ struct eqos_priv *eqos = dev_get_priv(dev);
+ struct eth_pdata *pdata = dev_get_plat(dev);
+ struct rockchip_platform_data *data = pdata->priv_pdata;
+ u32 val, reg;
+
+ switch (eqos->phy->speed) {
+ case SPEED_10:
+ if (pdata->phy_interface == PHY_INTERFACE_MODE_RMII)
+ val = data->id == 1 ? RK3528_GMAC1_CLK_RMII_DIV20 :
+ RK3528_GMAC0_CLK_RMII_DIV20;
+ else
+ val = RK3528_GMAC1_CLK_RGMII_DIV50;
+ break;
+ case SPEED_100:
+ if (pdata->phy_interface == PHY_INTERFACE_MODE_RMII)
+ val = data->id == 1 ? RK3528_GMAC1_CLK_RMII_DIV2 :
+ RK3528_GMAC0_CLK_RMII_DIV2;
+ else
+ val = RK3528_GMAC1_CLK_RGMII_DIV5;
+ break;
+ case SPEED_1000:
+ if (pdata->phy_interface != PHY_INTERFACE_MODE_RMII)
+ val = RK3528_GMAC1_CLK_RGMII_DIV1;
+ else
+ return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ reg = data->id == 1 ? RK3528_VPU_GRF_GMAC_CON5 :
+ RK3528_VO_GRF_GMAC_CON;
+ regmap_write(data->grf, reg, val);
+
+ return 0;
+}
+
+static void rk3528_set_clock_selection(struct udevice *dev, bool enable)
+{
+ struct eth_pdata *pdata = dev_get_plat(dev);
+ struct rockchip_platform_data *data = pdata->priv_pdata;
+ u32 val;
+
+ if (data->id == 1) {
+ val = data->clock_input ? RK3528_GMAC1_CLK_SELECT_IO :
+ RK3528_GMAC1_CLK_SELECT_CRU;
+ val |= enable ? RK3528_GMAC1_CLK_RMII_NOGATE :
+ RK3528_GMAC1_CLK_RMII_GATE;
+ regmap_write(data->grf, RK3528_VPU_GRF_GMAC_CON5, val);
+ } else {
+ val = enable ? RK3528_GMAC0_CLK_RMII_NOGATE :
+ RK3528_GMAC0_CLK_RMII_GATE;
+ regmap_write(data->grf, RK3528_VO_GRF_GMAC_CON, val);
+ }
+}
+
#define RK3568_GRF_GMAC0_CON0 0x0380
#define RK3568_GRF_GMAC0_CON1 0x0384
#define RK3568_GRF_GMAC1_CON0 0x0388
@@ -134,6 +260,145 @@ static int rk3568_set_gmac_speed(struct udevice *dev)
return 0;
}
+/* VCCIO0_1_3_IOC */
+#define RK3576_VCCIO0_1_3_IOC_CON2 0x6408
+#define RK3576_VCCIO0_1_3_IOC_CON3 0x640c
+#define RK3576_VCCIO0_1_3_IOC_CON4 0x6410
+#define RK3576_VCCIO0_1_3_IOC_CON5 0x6414
+
+#define RK3576_GMAC_RXCLK_DLY_ENABLE GRF_BIT(15)
+#define RK3576_GMAC_RXCLK_DLY_DISABLE GRF_CLR_BIT(15)
+#define RK3576_GMAC_TXCLK_DLY_ENABLE GRF_BIT(7)
+#define RK3576_GMAC_TXCLK_DLY_DISABLE GRF_CLR_BIT(7)
+
+#define RK3576_GMAC_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 8)
+#define RK3576_GMAC_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 0)
+
+/* SDGMAC_GRF */
+#define RK3576_GRF_GMAC_CON0 0x0020
+#define RK3576_GRF_GMAC_CON1 0x0024
+
+#define RK3576_GMAC_RMII_MODE GRF_BIT(3)
+#define RK3576_GMAC_RGMII_MODE GRF_CLR_BIT(3)
+
+#define RK3576_GMAC_CLK_SELECT_IO GRF_BIT(7)
+#define RK3576_GMAC_CLK_SELECT_CRU GRF_CLR_BIT(7)
+
+#define RK3576_GMAC_CLK_RMII_DIV2 GRF_BIT(5)
+#define RK3576_GMAC_CLK_RMII_DIV20 GRF_CLR_BIT(5)
+
+#define RK3576_GMAC_CLK_RGMII_DIV1 \
+ (GRF_CLR_BIT(6) | GRF_CLR_BIT(5))
+#define RK3576_GMAC_CLK_RGMII_DIV5 \
+ (GRF_BIT(6) | GRF_BIT(5))
+#define RK3576_GMAC_CLK_RGMII_DIV50 \
+ (GRF_BIT(6) | GRF_CLR_BIT(5))
+
+#define RK3576_GMAC_CLK_RMII_GATE GRF_BIT(4)
+#define RK3576_GMAC_CLK_RMII_NOGATE GRF_CLR_BIT(4)
+
+static int rk3576_set_to_rgmii(struct udevice *dev,
+ int tx_delay, int rx_delay)
+{
+ struct eth_pdata *pdata = dev_get_plat(dev);
+ struct rockchip_platform_data *data = pdata->priv_pdata;
+ u32 offset_con;
+
+ offset_con = data->id == 1 ? RK3576_GRF_GMAC_CON1 :
+ RK3576_GRF_GMAC_CON0;
+
+ regmap_write(data->grf, offset_con, RK3576_GMAC_RGMII_MODE);
+
+ offset_con = data->id == 1 ? RK3576_VCCIO0_1_3_IOC_CON4 :
+ RK3576_VCCIO0_1_3_IOC_CON2;
+
+ /* m0 && m1 delay enabled */
+ regmap_write(data->php_grf, offset_con,
+ DELAY_ENABLE(RK3576, tx_delay, rx_delay));
+ regmap_write(data->php_grf, offset_con + 0x4,
+ DELAY_ENABLE(RK3576, tx_delay, rx_delay));
+
+ /* m0 && m1 delay value */
+ regmap_write(data->php_grf, offset_con,
+ RK3576_GMAC_CLK_TX_DL_CFG(tx_delay) |
+ RK3576_GMAC_CLK_RX_DL_CFG(rx_delay));
+ regmap_write(data->php_grf, offset_con + 0x4,
+ RK3576_GMAC_CLK_TX_DL_CFG(tx_delay) |
+ RK3576_GMAC_CLK_RX_DL_CFG(rx_delay));
+
+ return 0;
+}
+
+static int rk3576_set_to_rmii(struct udevice *dev)
+{
+ struct eth_pdata *pdata = dev_get_plat(dev);
+ struct rockchip_platform_data *data = pdata->priv_pdata;
+ u32 offset_con;
+
+ offset_con = data->id == 1 ? RK3576_GRF_GMAC_CON1 :
+ RK3576_GRF_GMAC_CON0;
+
+ regmap_write(data->grf, offset_con, RK3576_GMAC_RMII_MODE);
+
+ return 0;
+}
+
+static int rk3576_set_gmac_speed(struct udevice *dev)
+{
+ struct eqos_priv *eqos = dev_get_priv(dev);
+ struct eth_pdata *pdata = dev_get_plat(dev);
+ struct rockchip_platform_data *data = pdata->priv_pdata;
+ u32 val = 0, offset_con;
+
+ switch (eqos->phy->speed) {
+ case SPEED_10:
+ if (pdata->phy_interface == PHY_INTERFACE_MODE_RMII)
+ val = RK3576_GMAC_CLK_RMII_DIV20;
+ else
+ val = RK3576_GMAC_CLK_RGMII_DIV50;
+ break;
+ case SPEED_100:
+ if (pdata->phy_interface == PHY_INTERFACE_MODE_RMII)
+ val = RK3576_GMAC_CLK_RMII_DIV2;
+ else
+ val = RK3576_GMAC_CLK_RGMII_DIV5;
+ break;
+ case SPEED_1000:
+ if (pdata->phy_interface != PHY_INTERFACE_MODE_RMII)
+ val = RK3576_GMAC_CLK_RGMII_DIV1;
+ else
+ return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ offset_con = data->id == 1 ? RK3576_GRF_GMAC_CON1 :
+ RK3576_GRF_GMAC_CON0;
+
+ regmap_write(data->grf, offset_con, val);
+
+ return 0;
+}
+
+static void rk3576_set_clock_selection(struct udevice *dev, bool enable)
+{
+ struct eth_pdata *pdata = dev_get_plat(dev);
+ struct rockchip_platform_data *data = pdata->priv_pdata;
+
+ u32 val = data->clock_input ? RK3576_GMAC_CLK_SELECT_IO :
+ RK3576_GMAC_CLK_SELECT_CRU;
+ u32 offset_con;
+
+ val |= enable ? RK3576_GMAC_CLK_RMII_NOGATE :
+ RK3576_GMAC_CLK_RMII_GATE;
+
+ offset_con = data->id == 1 ? RK3576_GRF_GMAC_CON1 :
+ RK3576_GRF_GMAC_CON0;
+
+ regmap_write(data->grf, offset_con, val);
+}
+
#define RK3588_DELAY_ENABLE(id, tx, rx) \
(((tx) ? RK3588_GMAC_TXCLK_DLY_ENABLE(id) : RK3588_GMAC_TXCLK_DLY_DISABLE(id)) | \
((rx) ? RK3588_GMAC_RXCLK_DLY_ENABLE(id) : RK3588_GMAC_RXCLK_DLY_DISABLE(id)))
@@ -270,6 +535,18 @@ static void rk3588_set_clock_selection(struct udevice *dev, bool enable)
static const struct rk_gmac_ops rk_gmac_ops[] = {
{
+ .compatible = "rockchip,rk3528-gmac",
+ .set_to_rgmii = rk3528_set_to_rgmii,
+ .set_to_rmii = rk3528_set_to_rmii,
+ .set_gmac_speed = rk3528_set_gmac_speed,
+ .set_clock_selection = rk3528_set_clock_selection,
+ .regs = {
+ 0xffbd0000, /* gmac0 */
+ 0xffbe0000, /* gmac1 */
+ 0x0, /* sentinel */
+ },
+ },
+ {
.compatible = "rockchip,rk3568-gmac",
.set_to_rgmii = rk3568_set_to_rgmii,
.set_to_rmii = rk3568_set_to_rmii,
@@ -281,6 +558,18 @@ static const struct rk_gmac_ops rk_gmac_ops[] = {
},
},
{
+ .compatible = "rockchip,rk3576-gmac",
+ .set_to_rgmii = rk3576_set_to_rgmii,
+ .set_to_rmii = rk3576_set_to_rmii,
+ .set_gmac_speed = rk3576_set_gmac_speed,
+ .set_clock_selection = rk3576_set_clock_selection,
+ .regs = {
+ 0x2a220000, /* gmac0 */
+ 0x2a230000, /* gmac1 */
+ 0x0, /* sentinel */
+ },
+ },
+ {
.compatible = "rockchip,rk3588-gmac",
.set_to_rgmii = rk3588_set_to_rgmii,
.set_to_rmii = rk3588_set_to_rmii,
@@ -357,7 +646,8 @@ static int eqos_probe_resources_rk(struct udevice *dev)
goto err_free;
}
- if (device_is_compatible(dev, "rockchip,rk3588-gmac")) {
+ if (device_is_compatible(dev, "rockchip,rk3588-gmac") ||
+ device_is_compatible(dev, "rockchip,rk3576-gmac")) {
data->php_grf =
syscon_regmap_lookup_by_phandle(dev, "rockchip,php-grf");
if (IS_ERR(data->php_grf)) {
generated by cgit v1.2.3 (git 2.0.4) at 2025-07-22 09:37:42 +0000