X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fnet%2Ffec_mxc.c;h=3046305cfb65b827f306223af81f20392e699c14;hb=3b26d527d355c00eb9a0b2b0c11536e4e62c10aa;hp=a672250e16a166ab22d4cbc77793c53626beaa0a;hpb=88d5ab3d67c7507160792991e99bda9fff34d106;p=oweals%2Fu-boot.git

diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index a672250e16..3046305cfb 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -8,8 +8,9 @@
  */
 
 #include <common.h>
+#include <cpu_func.h>
 #include <dm.h>
-#include <environment.h>
+#include <env.h>
 #include <malloc.h>
 #include <memalign.h>
 #include <miiphy.h>
@@ -123,30 +124,38 @@ static int fec_mdio_read(struct ethernet_regs *eth, uint8_t phyaddr,
 	return val;
 }
 
+#ifndef imx_get_fecclk
+u32 __weak imx_get_fecclk(void)
+{
+	return 0;
+}
+#endif
+
 static int fec_get_clk_rate(void *udev, int idx)
 {
-#if IS_ENABLED(CONFIG_IMX8)
 	struct fec_priv *fec;
 	struct udevice *dev;
 	int ret;
 
-	dev = udev;
-	if (!dev) {
-		ret = uclass_get_device(UCLASS_ETH, idx, &dev);
-		if (ret < 0) {
-			debug("Can't get FEC udev: %d\n", ret);
-			return ret;
+	if (IS_ENABLED(CONFIG_IMX8) ||
+	    CONFIG_IS_ENABLED(CLK_CCF)) {
+		dev = udev;
+		if (!dev) {
+			ret = uclass_get_device(UCLASS_ETH, idx, &dev);
+			if (ret < 0) {
+				debug("Can't get FEC udev: %d\n", ret);
+				return ret;
+			}
 		}
-	}
 
-	fec = dev_get_priv(dev);
-	if (fec)
-		return fec->clk_rate;
+		fec = dev_get_priv(dev);
+		if (fec)
+			return fec->clk_rate;
 
-	return -EINVAL;
-#else
-	return imx_get_fecclk();
-#endif
+		return -EINVAL;
+	} else {
+		return imx_get_fecclk();
+	}
 }
 
 static void fec_mii_setspeed(struct ethernet_regs *eth)
@@ -494,6 +503,16 @@ static int fec_open(struct eth_device *edev)
 	writel(readl(&fec->eth->ecntrl) | FEC_ECNTRL_ETHER_EN,
 	       &fec->eth->ecntrl);
 
+#ifdef FEC_ENET_ENABLE_TXC_DELAY
+	writel(readl(&fec->eth->ecntrl) | FEC_ECNTRL_TXC_DLY,
+	       &fec->eth->ecntrl);
+#endif
+
+#ifdef FEC_ENET_ENABLE_RXC_DELAY
+	writel(readl(&fec->eth->ecntrl) | FEC_ECNTRL_RXC_DLY,
+	       &fec->eth->ecntrl);
+#endif
+
 #if defined(CONFIG_MX25) || defined(CONFIG_MX53) || defined(CONFIG_MX6SL)
 	udelay(100);
 
@@ -604,7 +623,7 @@ static int fec_init(struct eth_device *dev, bd_t *bd)
 	writel(0x00000000, &fec->eth->gaddr2);
 
 	/* Do not access reserved register */
-	if (!is_mx6ul() && !is_mx6ull() && !is_imx8m()) {
+	if (!is_mx6ul() && !is_mx6ull() && !is_imx8() && !is_imx8m()) {
 		/* clear MIB RAM */
 		for (i = mib_ptr; i <= mib_ptr + 0xfc; i += 4)
 			writel(0, i);
@@ -1185,6 +1204,13 @@ int fecmxc_initialize_multi(bd_t *bd, int dev_id, int phy_id, uint32_t addr)
 #endif
 	int ret;
 
+	if (CONFIG_IS_ENABLED(IMX_MODULE_FUSE)) {
+		if (enet_fused((ulong)addr)) {
+			printf("SoC fuse indicates Ethernet@0x%x is unavailable.\n", addr);
+			return -ENODEV;
+		}
+	}
+
 #ifdef CONFIG_FEC_MXC_MDIO_BASE
 	/*
 	 * The i.MX28 has two ethernet interfaces, but they are not equal.
@@ -1300,7 +1326,7 @@ static int fec_phy_init(struct fec_priv *priv, struct udevice *dev)
 	return 0;
 }
 
-#ifdef CONFIG_DM_GPIO
+#if CONFIG_IS_ENABLED(DM_GPIO)
 /* FEC GPIO reset */
 static void fec_gpio_reset(struct fec_priv *priv)
 {
@@ -1323,6 +1349,13 @@ static int fecmxc_probe(struct udevice *dev)
 	uint32_t start;
 	int ret;
 
+	if (CONFIG_IS_ENABLED(IMX_MODULE_FUSE)) {
+		if (enet_fused((ulong)priv->eth)) {
+			printf("SoC fuse indicates Ethernet@0x%lx is unavailable.\n", (ulong)priv->eth);
+			return -ENODEV;
+		}
+	}
+
 	if (IS_ENABLED(CONFIG_IMX8)) {
 		ret = clk_get_by_name(dev, "ipg", &priv->ipg_clk);
 		if (ret < 0) {
@@ -1335,6 +1368,47 @@ static int fecmxc_probe(struct udevice *dev)
 			return ret;
 		}
 
+		priv->clk_rate = clk_get_rate(&priv->ipg_clk);
+	} else if (CONFIG_IS_ENABLED(CLK_CCF)) {
+		ret = clk_get_by_name(dev, "ipg", &priv->ipg_clk);
+		if (ret < 0) {
+			debug("Can't get FEC ipg clk: %d\n", ret);
+			return ret;
+		}
+		ret = clk_enable(&priv->ipg_clk);
+		if(ret)
+			return ret;
+
+		ret = clk_get_by_name(dev, "ahb", &priv->ahb_clk);
+		if (ret < 0) {
+			debug("Can't get FEC ahb clk: %d\n", ret);
+			return ret;
+		}
+		ret = clk_enable(&priv->ahb_clk);
+		if (ret)
+			return ret;
+
+		ret = clk_get_by_name(dev, "enet_out", &priv->clk_enet_out);
+		if (!ret) {
+			ret = clk_enable(&priv->clk_enet_out);
+			if (ret)
+				return ret;
+		}
+
+		ret = clk_get_by_name(dev, "enet_clk_ref", &priv->clk_ref);
+		if (!ret) {
+			ret = clk_enable(&priv->clk_ref);
+			if (ret)
+				return ret;
+		}
+
+		ret = clk_get_by_name(dev, "ptp", &priv->clk_ptp);
+		if (!ret) {
+			ret = clk_enable(&priv->clk_ptp);
+			if (ret)
+				return ret;
+		}
+
 		priv->clk_rate = clk_get_rate(&priv->ipg_clk);
 	}
 
@@ -1352,7 +1426,7 @@ static int fecmxc_probe(struct udevice *dev)
 	}
 #endif
 
-#ifdef CONFIG_DM_GPIO
+#if CONFIG_IS_ENABLED(DM_GPIO)
 	fec_gpio_reset(priv);
 #endif
 	/* Reset chip. */
@@ -1458,7 +1532,7 @@ static int fecmxc_ofdata_to_platdata(struct udevice *dev)
 	device_get_supply_regulator(dev, "phy-supply", &priv->phy_supply);
 #endif
 
-#ifdef CONFIG_DM_GPIO
+#if CONFIG_IS_ENABLED(DM_GPIO)
 	ret = gpio_request_by_name(dev, "phy-reset-gpios", 0,
 				   &priv->phy_reset_gpio, GPIOD_IS_OUT);
 	if (ret < 0)
@@ -1485,6 +1559,7 @@ static int fecmxc_ofdata_to_platdata(struct udevice *dev)
 }
 
 static const struct udevice_id fecmxc_ids[] = {
+	{ .compatible = "fsl,imx28-fec" },
 	{ .compatible = "fsl,imx6q-fec" },
 	{ .compatible = "fsl,imx6sl-fec" },
 	{ .compatible = "fsl,imx6sx-fec" },