net: sun8i_emac: Retrieve GMAC clock via 'syscon' phandle

[oweals/u-boot.git] / drivers / net / sun8i_emac.c

diff --git a/drivers/net/sun8i_emac.c b/drivers/net/sun8i_emac.c
index c9798445c7dd1a675f7cba2034fef3e850fff1c3..a7fb7ac4055fad6aadd959d46768b7d347aeb68a 100644 (file)
--- a/drivers/net/sun8i_emac.c
+++ b/drivers/net/sun8i_emac.c
@@ -285,10 +285,18 @@ static int sun8i_emac_set_syscon(struct sun8i_eth_pdata *pdata,
        int ret;
        u32 reg;
 
-       reg = readl(priv->sysctl_reg + 0x30);
+       if (priv->variant == R40_GMAC) {
+               /* Select RGMII for R40 */
+               reg = readl(priv->sysctl_reg + 0x164);
+               reg |= CCM_GMAC_CTRL_TX_CLK_SRC_INT_RGMII |
+                      CCM_GMAC_CTRL_GPIT_RGMII |
+                      CCM_GMAC_CTRL_TX_CLK_DELAY(CONFIG_GMAC_TX_DELAY);
 
-       if (priv->variant == R40_GMAC)
+               writel(reg, priv->sysctl_reg + 0x164);
                return 0;
+       }
+
+       reg = readl(priv->sysctl_reg + 0x30);
 
        if (priv->variant == H3_EMAC) {
                ret = sun8i_emac_set_syscon_ephy(priv, &reg);
@@ -662,13 +670,6 @@ static void sun8i_emac_board_setup(struct emac_eth_dev *priv)
 
                /* De-assert EMAC */
                setbits_le32(&ccm->ahb_gate1, BIT(AHB_GATE_OFFSET_GMAC));
-
-               /* Select RGMII for R40 */
-               setbits_le32(&ccm->gmac_clk_cfg,
-                            CCM_GMAC_CTRL_TX_CLK_SRC_INT_RGMII |
-                            CCM_GMAC_CTRL_GPIT_RGMII);
-               setbits_le32(&ccm->gmac_clk_cfg,
-                            CCM_GMAC_CTRL_TX_CLK_DELAY(CONFIG_GMAC_TX_DELAY));
        } else {
                /* Set clock gating for emac */
                setbits_le32(&ccm->ahb_gate0, BIT(AHB_GATE_OFFSET_GMAC));
@@ -850,25 +851,23 @@ static int sun8i_emac_eth_ofdata_to_platdata(struct udevice *dev)
                return -EINVAL;
        }
 
-       if (priv->variant != R40_GMAC) {
-               offset = fdtdec_lookup_phandle(gd->fdt_blob, node, "syscon");
-               if (offset < 0) {
-                       debug("%s: cannot find syscon node\n", __func__);
-                       return -EINVAL;
-               }
-               reg = fdt_getprop(gd->fdt_blob, offset, "reg", NULL);
-               if (!reg) {
-                       debug("%s: cannot find reg property in syscon node\n",
-                             __func__);
-                       return -EINVAL;
-               }
-               priv->sysctl_reg = fdt_translate_address((void *)gd->fdt_blob,
-                                                        offset, reg);
-               if (priv->sysctl_reg == FDT_ADDR_T_NONE) {
-                       debug("%s: Cannot find syscon base address\n",
-                             __func__);
-                       return -EINVAL;
-               }
+       offset = fdtdec_lookup_phandle(gd->fdt_blob, node, "syscon");
+       if (offset < 0) {
+               debug("%s: cannot find syscon node\n", __func__);
+               return -EINVAL;
+       }
+
+       reg = fdt_getprop(gd->fdt_blob, offset, "reg", NULL);
+       if (!reg) {
+               debug("%s: cannot find reg property in syscon node\n",
+                     __func__);
+               return -EINVAL;
+       }
+       priv->sysctl_reg = fdt_translate_address((void *)gd->fdt_blob,
+                                                offset, reg);
+       if (priv->sysctl_reg == FDT_ADDR_T_NONE) {
+               debug("%s: Cannot find syscon base address\n", __func__);
+               return -EINVAL;
        }
 
        pdata->phy_interface = -1;