1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later
3  * Copyright 2008 - 2015 Freescale Semiconductor Inc.
30 MODULE_DESCRIPTION("FSL FMan MAC API based driver");
34 	struct fman			*fman;  member
49 		mac_dev->set_exception(mac_dev->fman_mac,  in mac_exception()
51 		dev_err(mac_dev->dev, "10G MAC got RX FIFO Error = %x\n", ex);  in mac_exception()
54 	dev_dbg(mac_dev->dev, "%s:%s() -> %d\n", KBUILD_BASENAME ".c",  in mac_exception()
69 	priv = mac_dev->priv;  in dpaa_eth_add_device()
72 	data.mac_hw_id = priv->cell_index;  in dpaa_eth_add_device()
76 	pdev = platform_device_alloc("dpaa-ethernet", dpaa_eth_dev_cnt);  in dpaa_eth_add_device()
78 		ret = -ENOMEM;  in dpaa_eth_add_device()
82 	pdev->dev.parent = mac_dev->dev;  in dpaa_eth_add_device()
106 	{ .compatible   = "fsl,fman-dtsec", .data = dtsec_initialization },
107 	{ .compatible   = "fsl,fman-xgec", .data = tgec_initialization },
108 	{ .compatible	= "fsl,fman-memac", .data = memac_initialization },
128 	dev = &_of_dev->dev;  in mac_probe()
129 	mac_node = dev->of_node;  in mac_probe()
134 		return -ENOMEM;  in mac_probe()
137 		return -ENOMEM;  in mac_probe()
141 	mac_dev->priv = priv;  in mac_probe()
142 	mac_dev->dev = dev;  in mac_probe()
149 		return -EINVAL;  in mac_probe()
155 		err = -EINVAL;  in mac_probe()
158 	mac_dev->fman_dev = &of_dev->dev;  in mac_probe()
160 	/* Get the FMan cell-index */  in mac_probe()
161 	err = of_property_read_u32(dev_node, "cell-index", &val);  in mac_probe()
163 		dev_err(dev, "failed to read cell-index for %pOF\n", dev_node);  in mac_probe()
164 		err = -EINVAL;  in mac_probe()
167 	/* cell-index 0 => FMan id 1 */  in mac_probe()
170 	priv->fman = fman_bind(mac_dev->fman_dev);  in mac_probe()
171 	if (!priv->fman) {  in mac_probe()
173 		err = -ENODEV;  in mac_probe()
181 	put_device(mac_dev->fman_dev);  in mac_probe()
186 	mac_dev->res = platform_get_mem_or_io(_of_dev, 0);  in mac_probe()
187 	if (!mac_dev->res) {  in mac_probe()
189 		err = -EINVAL;  in mac_probe()
193 	err = devm_request_resource(dev, fman_get_mem_region(priv->fman),  in mac_probe()
194 				    mac_dev->res);  in mac_probe()
200 	mac_dev->vaddr = devm_ioremap(dev, mac_dev->res->start,  in mac_probe()
201 				      resource_size(mac_dev->res));  in mac_probe()
202 	if (!mac_dev->vaddr) {  in mac_probe()
204 		err = -EIO;  in mac_probe()
209 		err = -ENODEV;  in mac_probe()
213 	/* Get the cell-index */  in mac_probe()
214 	err = of_property_read_u32(mac_node, "cell-index", &val);  in mac_probe()
216 		dev_err(dev, "failed to read cell-index for %pOF\n", mac_node);  in mac_probe()
217 		err = -EINVAL;  in mac_probe()
221 		dev_err(dev, "cell-index value is too big for %pOF\n", mac_node);  in mac_probe()
222 		err = -EINVAL;  in mac_probe()
225 	priv->cell_index = (u8)val;  in mac_probe()
228 	err = of_get_mac_address(mac_node, mac_dev->addr);  in mac_probe()
233 	nph = of_count_phandle_with_args(mac_node, "fsl,fman-ports", NULL);  in mac_probe()
235 		dev_err(dev, "of_count_phandle_with_args(%pOF, fsl,fman-ports) failed\n",  in mac_probe()
241 	if (nph != ARRAY_SIZE(mac_dev->port)) {  in mac_probe()
242 		dev_err(dev, "Not supported number of fman-ports handles of mac node %pOF from device tree\n",  in mac_probe()
244 		err = -EINVAL;  in mac_probe()
251 		dev_node = of_parse_phandle(mac_node, "fsl,fman-ports", i);  in mac_probe()
253 			dev_err(dev, "of_parse_phandle(%pOF, fsl,fman-ports) failed\n",  in mac_probe()
255 			err = -EINVAL;  in mac_probe()
263 			err = -EINVAL;  in mac_probe()
266 		mac_dev->fman_port_devs[i] = &of_dev->dev;  in mac_probe()
268 		mac_dev->port[i] = fman_port_bind(mac_dev->fman_port_devs[i]);  in mac_probe()
269 		if (!mac_dev->port[i]) {  in mac_probe()
272 			err = -EINVAL;  in mac_probe()
279 		put_device(mac_dev->fman_port_devs[i]);  in mac_probe()
292 	mac_dev->phy_if = phy_if;  in mac_probe()
294 	params.mac_id		= priv->cell_index;  in mac_probe()
295 	params.fm		= (void *)priv->fman;  in mac_probe()
303 	if (!is_zero_ether_addr(mac_dev->addr))  in mac_probe()
304 		dev_info(dev, "FMan MAC address: %pM\n", mac_dev->addr);  in mac_probe()
306 	priv->eth_dev = dpaa_eth_add_device(fman_id, mac_dev);  in mac_probe()
307 	if (IS_ERR(priv->eth_dev)) {  in mac_probe()
308 		err = PTR_ERR(priv->eth_dev);  in mac_probe()
310 			priv->cell_index);  in mac_probe()
311 		priv->eth_dev = NULL;  in mac_probe()
319 		put_device(mac_dev->fman_port_devs[i]);  in mac_probe()
321 	put_device(mac_dev->fman_dev);  in mac_probe()
333 		put_device(mac_dev->fman_port_devs[i]);  in mac_remove()
334 	put_device(mac_dev->fman_dev);  in mac_remove()
336 	platform_device_unregister(mac_dev->priv->eth_dev);  in mac_remove()