1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
13 	u32 reg = readl(priv->ioaddr + id_reg);  in stmmac_get_id()
16 		dev_info(priv->device, "Version ID not available\n");  in stmmac_get_id()
20 	dev_info(priv->device, "User ID: 0x%x, Synopsys ID: 0x%x\n",  in stmmac_get_id()
28 	u32 reg = readl(priv->ioaddr + id_reg);  in stmmac_get_dev_id()
31 		dev_info(priv->device, "Version ID not available\n");  in stmmac_get_dev_id()
40 	struct mac_device_info *mac = priv->hw;  in stmmac_dwmac_mode_quirk()  local
42 	if (priv->chain_mode) {  in stmmac_dwmac_mode_quirk()
43 		dev_info(priv->device, "Chain mode enabled\n");  in stmmac_dwmac_mode_quirk()
44 		priv->mode = STMMAC_CHAIN_MODE;  in stmmac_dwmac_mode_quirk()
45 		mac->mode = &chain_mode_ops;  in stmmac_dwmac_mode_quirk()
47 		dev_info(priv->device, "Ring mode enabled\n");  in stmmac_dwmac_mode_quirk()
48 		priv->mode = STMMAC_RING_MODE;  in stmmac_dwmac_mode_quirk()
49 		mac->mode = &ring_mode_ops;  in stmmac_dwmac_mode_quirk()
55 	struct mac_device_info *mac = priv->hw;  in stmmac_dwmac1_quirks()  local
57 	if (priv->plat->enh_desc) {  in stmmac_dwmac1_quirks()
58 		dev_info(priv->device, "Enhanced/Alternate descriptors\n");  in stmmac_dwmac1_quirks()
61 		if (priv->synopsys_id >= DWMAC_CORE_3_50) {  in stmmac_dwmac1_quirks()
62 			dev_info(priv->device, "Enabled extended descriptors\n");  in stmmac_dwmac1_quirks()
63 			priv->extend_desc = 1;  in stmmac_dwmac1_quirks()
65 			dev_warn(priv->device, "Extended descriptors not supported\n");  in stmmac_dwmac1_quirks()
68 		mac->desc = &enh_desc_ops;  in stmmac_dwmac1_quirks()
70 		dev_info(priv->device, "Normal descriptors\n");  in stmmac_dwmac1_quirks()
71 		mac->desc = &ndesc_ops;  in stmmac_dwmac1_quirks()
86 	priv->hw->xlgmac = true;  in stmmac_dwxlgmac_quirks()
92 	struct plat_stmmacenet_data *plat = priv ? priv->plat : NULL;  in stmmac_reset()
95 		return -EINVAL;  in stmmac_reset()
97 	if (plat && plat->fix_soc_reset)  in stmmac_reset()
98 		return plat->fix_soc_reset(plat, ioaddr);  in stmmac_reset()
112 	const void *mac;  member
114 	const void *mode;  member
132 		.mac = &dwmac100_ops,
134 		.mode = NULL,
150 		.mac = &dwmac1000_ops,
152 		.mode = NULL,
168 		.mac = &dwmac4_ops,
170 		.mode = NULL,
186 		.mac = &dwmac410_ops,
188 		.mode = &dwmac4_ring_mode_ops,
204 		.mac = &dwmac410_ops,
206 		.mode = &dwmac4_ring_mode_ops,
222 		.mac = &dwmac510_ops,
224 		.mode = &dwmac4_ring_mode_ops,
241 		.mac = &dwxgmac210_ops,
243 		.mode = NULL,
260 		.mac = &dwxlgmac2_ops,
262 		.mode = NULL,
272 	bool needs_xgmac = priv->plat->has_xgmac;  in stmmac_hwif_init()
273 	bool needs_gmac4 = priv->plat->has_gmac4;  in stmmac_hwif_init()
274 	bool needs_gmac = priv->plat->has_gmac;  in stmmac_hwif_init()
276 	struct mac_device_info *mac;  in stmmac_hwif_init()  local
292 	priv->synopsys_id = id;  in stmmac_hwif_init()
295 	priv->ptpaddr = priv->ioaddr +  in stmmac_hwif_init()
297 	priv->mmcaddr = priv->ioaddr +  in stmmac_hwif_init()
301 	if (priv->plat->setup) {  in stmmac_hwif_init()
302 		mac = priv->plat->setup(priv);  in stmmac_hwif_init()
305 		mac = devm_kzalloc(priv->device, sizeof(*mac), GFP_KERNEL);  in stmmac_hwif_init()
308 	if (!mac)  in stmmac_hwif_init()
309 		return -ENOMEM;  in stmmac_hwif_init()
312 	for (i = ARRAY_SIZE(stmmac_hw) - 1; i >= 0; i--) {  in stmmac_hwif_init()
315 		if (needs_gmac ^ entry->gmac)  in stmmac_hwif_init()
317 		if (needs_gmac4 ^ entry->gmac4)  in stmmac_hwif_init()
319 		if (needs_xgmac ^ entry->xgmac)  in stmmac_hwif_init()
322 		if (priv->synopsys_id < entry->min_id)  in stmmac_hwif_init()
324 		if (needs_xgmac && (dev_id ^ entry->dev_id))  in stmmac_hwif_init()
328 		mac->desc = mac->desc ? : entry->desc;  in stmmac_hwif_init()
329 		mac->dma = mac->dma ? : entry->dma;  in stmmac_hwif_init()
330 		mac->mac = mac->mac ? : entry->mac;  in stmmac_hwif_init()
331 		mac->ptp = mac->ptp ? : entry->hwtimestamp;  in stmmac_hwif_init()
332 		mac->mode = mac->mode ? : entry->mode;  in stmmac_hwif_init()
333 		mac->tc = mac->tc ? : entry->tc;  in stmmac_hwif_init()
334 		mac->mmc = mac->mmc ? : entry->mmc;  in stmmac_hwif_init()
336 		priv->hw = mac;  in stmmac_hwif_init()
337 		priv->ptpaddr = priv->ioaddr + entry->regs.ptp_off;  in stmmac_hwif_init()
338 		priv->mmcaddr = priv->ioaddr + entry->regs.mmc_off;  in stmmac_hwif_init()
342 			ret = entry->setup(priv);  in stmmac_hwif_init()
348 		priv->hwif_quirks = entry->quirks;  in stmmac_hwif_init()
352 	dev_err(priv->device, "Failed to find HW IF (id=0x%x, gmac=%d/%d)\n",  in stmmac_hwif_init()
354 	return -EINVAL;  in stmmac_hwif_init()