X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fnet%2Fdesignware.c;h=cf125210d88cb66d50252a9fa3023b71a96051c0;hb=83d290c56fab2d38cd1ab4c4cc7099559c1d5046;hp=f242fc6b3faddce198930d7a0b738271b8c30edb;hpb=f253f2933b7373556329c0174dd5b101039a4056;p=platform%2Fkernel%2Fu-boot.git

diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index f242fc6..cf12521 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2010
  * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /*
@@ -10,6 +9,7 @@
  */
 
 #include <common.h>
+#include <clk.h>
 #include <dm.h>
 #include <errno.h>
 #include <miiphy.h>
@@ -17,11 +17,11 @@
 #include <pci.h>
 #include <linux/compiler.h>
 #include <linux/err.h>
+#include <linux/kernel.h>
 #include <asm/io.h>
+#include <power/regulator.h>
 #include "designware.h"
 
-DECLARE_GLOBAL_DATA_PTR;
-
 static int dw_mdio_read(struct mii_dev *bus, int addr, int devad, int reg)
 {
 #ifdef CONFIG_DM_ETH
@@ -342,6 +342,8 @@ int designware_eth_enable(struct dw_eth_dev *priv)
 	return 0;
 }
 
+#define ETH_ZLEN	60
+
 static int _dw_eth_send(struct dw_eth_dev *priv, void *packet, int length)
 {
 	struct eth_dma_regs *dma_p = priv->dma_regs_p;
@@ -368,6 +370,8 @@ static int _dw_eth_send(struct dw_eth_dev *priv, void *packet, int length)
 		return -EPERM;
 	}
 
+	length = max(length, ETH_ZLEN);
+
 	memcpy((void *)data_start, packet, length);
 
 	/* Flush data to be sent */
@@ -660,6 +664,51 @@ int designware_eth_probe(struct udevice *dev)
 	u32 iobase = pdata->iobase;
 	ulong ioaddr;
 	int ret;
+#ifdef CONFIG_CLK
+	int i, err, clock_nb;
+
+	priv->clock_count = 0;
+	clock_nb = dev_count_phandle_with_args(dev, "clocks", "#clock-cells");
+	if (clock_nb > 0) {
+		priv->clocks = devm_kcalloc(dev, clock_nb, sizeof(struct clk),
+					    GFP_KERNEL);
+		if (!priv->clocks)
+			return -ENOMEM;
+
+		for (i = 0; i < clock_nb; i++) {
+			err = clk_get_by_index(dev, i, &priv->clocks[i]);
+			if (err < 0)
+				break;
+
+			err = clk_enable(&priv->clocks[i]);
+			if (err && err != -ENOSYS && err != -ENOTSUPP) {
+				pr_err("failed to enable clock %d\n", i);
+				clk_free(&priv->clocks[i]);
+				goto clk_err;
+			}
+			priv->clock_count++;
+		}
+	} else if (clock_nb != -ENOENT) {
+		pr_err("failed to get clock phandle(%d)\n", clock_nb);
+		return clock_nb;
+	}
+#endif
+
+#if defined(CONFIG_DM_REGULATOR)
+	struct udevice *phy_supply;
+
+	ret = device_get_supply_regulator(dev, "phy-supply",
+					  &phy_supply);
+	if (ret) {
+		debug("%s: No phy supply\n", dev->name);
+	} else {
+		ret = regulator_set_enable(phy_supply, true);
+		if (ret) {
+			puts("Error enabling phy supply\n");
+			return ret;
+		}
+	}
+#endif
 
 #ifdef CONFIG_DM_PCI
 	/*
@@ -690,6 +739,15 @@ int designware_eth_probe(struct udevice *dev)
 	debug("%s, ret=%d\n", __func__, ret);
 
 	return ret;
+
+#ifdef CONFIG_CLK
+clk_err:
+	ret = clk_release_all(priv->clocks, priv->clock_count);
+	if (ret)
+		pr_err("failed to disable all clocks\n");
+
+	return err;
+#endif
 }
 
 static int designware_eth_remove(struct udevice *dev)
@@ -700,7 +758,11 @@ static int designware_eth_remove(struct udevice *dev)
 	mdio_unregister(priv->bus);
 	mdio_free(priv->bus);
 
+#ifdef CONFIG_CLK
+	return clk_release_all(priv->clocks, priv->clock_count);
+#else
 	return 0;
+#endif
 }
 
 const struct eth_ops designware_eth_ops = {
@@ -720,15 +782,14 @@ int designware_eth_ofdata_to_platdata(struct udevice *dev)
 #endif
 	struct eth_pdata *pdata = &dw_pdata->eth_pdata;
 	const char *phy_mode;
-	const fdt32_t *cell;
 #ifdef CONFIG_DM_GPIO
 	int reset_flags = GPIOD_IS_OUT;
 #endif
 	int ret = 0;
 
-	pdata->iobase = dev_get_addr(dev);
+	pdata->iobase = dev_read_addr(dev);
 	pdata->phy_interface = -1;
-	phy_mode = fdt_getprop(gd->fdt_blob, dev->of_offset, "phy-mode", NULL);
+	phy_mode = dev_read_string(dev, "phy-mode");
 	if (phy_mode)
 		pdata->phy_interface = phy_get_interface_by_name(phy_mode);
 	if (pdata->phy_interface == -1) {
@@ -736,21 +797,17 @@ int designware_eth_ofdata_to_platdata(struct udevice *dev)
 		return -EINVAL;
 	}
 
-	pdata->max_speed = 0;
-	cell = fdt_getprop(gd->fdt_blob, dev->of_offset, "max-speed", NULL);
-	if (cell)
-		pdata->max_speed = fdt32_to_cpu(*cell);
+	pdata->max_speed = dev_read_u32_default(dev, "max-speed", 0);
 
 #ifdef CONFIG_DM_GPIO
-	if (fdtdec_get_bool(gd->fdt_blob, dev->of_offset,
-			    "snps,reset-active-low"))
+	if (dev_read_bool(dev, "snps,reset-active-low"))
 		reset_flags |= GPIOD_ACTIVE_LOW;
 
 	ret = gpio_request_by_name(dev, "snps,reset-gpio", 0,
 		&priv->reset_gpio, reset_flags);
 	if (ret == 0) {
-		ret = fdtdec_get_int_array(gd->fdt_blob, dev->of_offset,
-			"snps,reset-delays-us", dw_pdata->reset_delays, 3);
+		ret = dev_read_u32_array(dev, "snps,reset-delays-us",
+					 dw_pdata->reset_delays, 3);
 	} else if (ret == -ENOENT) {
 		ret = 0;
 	}
@@ -763,6 +820,8 @@ static const struct udevice_id designware_eth_ids[] = {
 	{ .compatible = "allwinner,sun7i-a20-gmac" },
 	{ .compatible = "altr,socfpga-stmmac" },
 	{ .compatible = "amlogic,meson6-dwmac" },
+	{ .compatible = "amlogic,meson-gx-dwmac" },
+	{ .compatible = "st,stm32-dwmac" },
 	{ }
 };