+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2009 Ilya Yanok, Emcraft Systems Ltd <yanok@emcraft.com>
* (C) Copyright 2008,2009 Eric Jarrige <eric.jarrige@armadeus.org>
* (C) Copyright 2008 Armadeus Systems nc
* (C) Copyright 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
* (C) Copyright 2007 Pengutronix, Juergen Beisert <j.beisert@pengutronix.de>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#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>
#include <net.h>
#include <netdev.h>
-#include "fec_mxc.h"
+#include <power/regulator.h>
#include <asm/io.h>
#include <linux/errno.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/mach-imx/sys_proto.h>
+#include <asm-generic/gpio.h>
+
+#include "fec_mxc.h"
DECLARE_GLOBAL_DATA_PTR;
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)
+{
+ struct fec_priv *fec;
+ struct udevice *dev;
+ int 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;
+
+ return -EINVAL;
+ } else {
+ return imx_get_fecclk();
+ }
+}
+
static void fec_mii_setspeed(struct ethernet_regs *eth)
{
/*
* Given that ceil(clkrate / 5000000) <= 64, the calculation for
* holdtime cannot result in a value greater than 3.
*/
- u32 pclk = imx_get_fecclk();
- u32 speed = DIV_ROUND_UP(pclk, 5000000);
- u32 hold = DIV_ROUND_UP(pclk, 100000000) - 1;
+ u32 pclk;
+ u32 speed;
+ u32 hold;
+ int ret;
+
+ ret = fec_get_clk_rate(NULL, 0);
+ if (ret < 0) {
+ printf("Can't find FEC0 clk rate: %d\n", ret);
+ return;
+ }
+ pclk = ret;
+ speed = DIV_ROUND_UP(pclk, 5000000);
+ hold = DIV_ROUND_UP(pclk, 100000000) - 1;
+
#ifdef FEC_QUIRK_ENET_MAC
speed--;
#endif
writel(0x00000000, &fec->eth->gaddr2);
/* Do not access reserved register */
- if (!is_mx6ul() && !is_mx6ull() && !is_mx8m()) {
+ 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);
#endif
int ret;
-#ifdef CONFIG_MX28
+#ifdef CONFIG_FEC_MXC_MDIO_BASE
/*
* The i.MX28 has two ethernet interfaces, but they are not equal.
* Only the first one can access the MDIO bus.
*/
- base_mii = MXS_ENET0_BASE;
+ base_mii = CONFIG_FEC_MXC_MDIO_BASE;
#else
base_mii = addr;
#endif
.read_rom_hwaddr = fecmxc_read_rom_hwaddr,
};
+static int device_get_phy_addr(struct udevice *dev)
+{
+ struct ofnode_phandle_args phandle_args;
+ int reg;
+
+ if (dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0,
+ &phandle_args)) {
+ debug("Failed to find phy-handle");
+ return -ENODEV;
+ }
+
+ reg = ofnode_read_u32_default(phandle_args.node, "reg", 0);
+
+ return reg;
+}
+
static int fec_phy_init(struct fec_priv *priv, struct udevice *dev)
{
struct phy_device *phydev;
- int mask = 0xffffffff;
+ int addr;
-#ifdef CONFIG_PHYLIB
- mask = 1 << CONFIG_FEC_MXC_PHYADDR;
+ addr = device_get_phy_addr(dev);
+#ifdef CONFIG_FEC_MXC_PHYADDR
+ addr = CONFIG_FEC_MXC_PHYADDR;
#endif
- phydev = phy_find_by_mask(priv->bus, mask, priv->interface);
+ phydev = phy_connect(priv->bus, addr, dev, priv->interface);
if (!phydev)
return -ENODEV;
- phy_connect_dev(phydev, dev);
-
priv->phydev = phydev;
phy_config(phydev);
return 0;
}
+#if CONFIG_IS_ENABLED(DM_GPIO)
+/* FEC GPIO reset */
+static void fec_gpio_reset(struct fec_priv *priv)
+{
+ debug("fec_gpio_reset: fec_gpio_reset(dev)\n");
+ if (dm_gpio_is_valid(&priv->phy_reset_gpio)) {
+ dm_gpio_set_value(&priv->phy_reset_gpio, 1);
+ mdelay(priv->reset_delay);
+ dm_gpio_set_value(&priv->phy_reset_gpio, 0);
+ if (priv->reset_post_delay)
+ mdelay(priv->reset_post_delay);
+ }
+}
+#endif
+
static int fecmxc_probe(struct udevice *dev)
{
struct eth_pdata *pdata = dev_get_platdata(dev);
struct fec_priv *priv = dev_get_priv(dev);
struct mii_dev *bus = NULL;
- int dev_id = -1;
uint32_t start;
int ret;
+ if (IS_ENABLED(CONFIG_IMX8)) {
+ 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 < 0) {
+ debug("Can't enable FEC ipg clk: %d\n", ret);
+ 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);
+ }
+
ret = fec_alloc_descs(priv);
if (ret)
return ret;
+#ifdef CONFIG_DM_REGULATOR
+ if (priv->phy_supply) {
+ ret = regulator_set_enable(priv->phy_supply, true);
+ if (ret) {
+ printf("%s: Error enabling phy supply\n", dev->name);
+ return ret;
+ }
+ }
+#endif
+
+#if CONFIG_IS_ENABLED(DM_GPIO)
+ fec_gpio_reset(priv);
+#endif
/* Reset chip. */
writel(readl(&priv->eth->ecntrl) | FEC_ECNTRL_RESET,
&priv->eth->ecntrl);
}
fec_reg_setup(priv);
- priv->dev_id = (dev_id == -1) ? 0 : dev_id;
- bus = fec_get_miibus((ulong)priv->eth, dev_id);
+ priv->dev_id = dev->seq;
+#ifdef CONFIG_FEC_MXC_MDIO_BASE
+ bus = fec_get_miibus((ulong)CONFIG_FEC_MXC_MDIO_BASE, dev->seq);
+#else
+ bus = fec_get_miibus((ulong)priv->eth, dev->seq);
+#endif
if (!bus) {
ret = -ENOMEM;
goto err_mii;
}
priv->bus = bus;
- priv->xcv_type = CONFIG_FEC_XCV_TYPE;
priv->interface = pdata->phy_interface;
+ switch (priv->interface) {
+ case PHY_INTERFACE_MODE_MII:
+ priv->xcv_type = MII100;
+ break;
+ case PHY_INTERFACE_MODE_RMII:
+ priv->xcv_type = RMII;
+ break;
+ case PHY_INTERFACE_MODE_RGMII:
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ case PHY_INTERFACE_MODE_RGMII_TXID:
+ priv->xcv_type = RGMII;
+ break;
+ default:
+ priv->xcv_type = CONFIG_FEC_XCV_TYPE;
+ printf("Unsupported interface type %d defaulting to %d\n",
+ priv->interface, priv->xcv_type);
+ break;
+ }
+
ret = fec_phy_init(priv, dev);
if (ret)
goto err_phy;
return 0;
-err_timeout:
- free(priv->phydev);
err_phy:
mdio_unregister(bus);
free(bus);
err_mii:
+err_timeout:
fec_free_descs(priv);
return ret;
}
mdio_unregister(priv->bus);
mdio_free(priv->bus);
+#ifdef CONFIG_DM_REGULATOR
+ if (priv->phy_supply)
+ regulator_set_enable(priv->phy_supply, false);
+#endif
+
return 0;
}
static int fecmxc_ofdata_to_platdata(struct udevice *dev)
{
+ int ret = 0;
struct eth_pdata *pdata = dev_get_platdata(dev);
struct fec_priv *priv = dev_get_priv(dev);
const char *phy_mode;
return -EINVAL;
}
- /* TODO
- * Need to get the reset-gpio and related properties from DT
- * and implemet the enet reset code on .probe call
- */
+#ifdef CONFIG_DM_REGULATOR
+ device_get_supply_regulator(dev, "phy-supply", &priv->phy_supply);
+#endif
+
+#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)
+ return 0; /* property is optional, don't return error! */
+
+ priv->reset_delay = dev_read_u32_default(dev, "phy-reset-duration", 1);
+ if (priv->reset_delay > 1000) {
+ printf("FEC MXC: phy reset duration should be <= 1000ms\n");
+ /* property value wrong, use default value */
+ priv->reset_delay = 1;
+ }
+
+ priv->reset_post_delay = dev_read_u32_default(dev,
+ "phy-reset-post-delay",
+ 0);
+ if (priv->reset_post_delay > 1000) {
+ printf("FEC MXC: phy reset post delay should be <= 1000ms\n");
+ /* property value wrong, use default value */
+ priv->reset_post_delay = 0;
+ }
+#endif
return 0;
}
static const struct udevice_id fecmxc_ids[] = {
+ { .compatible = "fsl,imx28-fec" },
{ .compatible = "fsl,imx6q-fec" },
+ { .compatible = "fsl,imx6sl-fec" },
+ { .compatible = "fsl,imx6sx-fec" },
+ { .compatible = "fsl,imx6ul-fec" },
+ { .compatible = "fsl,imx53-fec" },
+ { .compatible = "fsl,imx7d-fec" },
+ { .compatible = "fsl,mvf600-fec" },
{ }
};
projects / oweals / u-boot.git / blobdiff