1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
17 	u32 reg = readl(priv->ioaddr + id_reg);  in stmmac_get_id()
20 		dev_info(priv->device, "Version ID not available\n");  in stmmac_get_id()
24 	dev_info(priv->device, "User ID: 0x%x, Synopsys ID: 0x%x\n",  in stmmac_get_id()
32 	u32 reg = readl(priv->ioaddr + id_reg);  in stmmac_get_dev_id()
35 		dev_info(priv->device, "Version ID not available\n");  in stmmac_get_dev_id()
44 	struct mac_device_info *mac = priv->hw;  in stmmac_dwmac_mode_quirk()  local
46 	if (priv->chain_mode) {  in stmmac_dwmac_mode_quirk()
47 		dev_info(priv->device, "Chain mode enabled\n");  in stmmac_dwmac_mode_quirk()
48 		priv->mode = STMMAC_CHAIN_MODE;  in stmmac_dwmac_mode_quirk()
49 		mac->mode = &chain_mode_ops;  in stmmac_dwmac_mode_quirk()
51 		dev_info(priv->device, "Ring mode enabled\n");  in stmmac_dwmac_mode_quirk()
52 		priv->mode = STMMAC_RING_MODE;  in stmmac_dwmac_mode_quirk()
53 		mac->mode = &ring_mode_ops;  in stmmac_dwmac_mode_quirk()
59 	struct mac_device_info *mac = priv->hw;  in stmmac_dwmac1_quirks()  local
61 	if (priv->plat->enh_desc) {  in stmmac_dwmac1_quirks()
62 		dev_info(priv->device, "Enhanced/Alternate descriptors\n");  in stmmac_dwmac1_quirks()
65 		if (priv->synopsys_id >= DWMAC_CORE_3_50) {  in stmmac_dwmac1_quirks()
66 			dev_info(priv->device, "Enabled extended descriptors\n");  in stmmac_dwmac1_quirks()
67 			priv->extend_desc = 1;  in stmmac_dwmac1_quirks()
69 			dev_warn(priv->device, "Extended descriptors not supported\n");  in stmmac_dwmac1_quirks()
72 		mac->desc = &enh_desc_ops;  in stmmac_dwmac1_quirks()
74 		dev_info(priv->device, "Normal descriptors\n");  in stmmac_dwmac1_quirks()
75 		mac->desc = &ndesc_ops;  in stmmac_dwmac1_quirks()
90 	priv->hw->xlgmac = true;  in stmmac_dwxlgmac_quirks()
96 	struct plat_stmmacenet_data *plat = priv ? priv->plat : NULL;  in stmmac_reset()
99 		return -EINVAL;  in stmmac_reset()
101 	if (plat && plat->fix_soc_reset)  in stmmac_reset()
102 		return plat->fix_soc_reset(plat, ioaddr);  in stmmac_reset()
116 	const void *mac;  member
119 	const void *mode;  member
138 		.mac = &dwmac100_ops,
141 		.mode = NULL,
157 		.mac = &dwmac1000_ops,
160 		.mode = NULL,
177 		.mac = &dwmac4_ops,
180 		.mode = NULL,
199 		.mac = &dwmac410_ops,
202 		.mode = &dwmac4_ring_mode_ops,
221 		.mac = &dwmac410_ops,
224 		.mode = &dwmac4_ring_mode_ops,
243 		.mac = &dwmac510_ops,
246 		.mode = &dwmac4_ring_mode_ops,
266 		.mac = &dwxgmac210_ops,
269 		.mode = NULL,
289 		.mac = &dwxlgmac2_ops,
292 		.mode = NULL,
303 	bool needs_xgmac = priv->plat->has_xgmac;  in stmmac_hwif_init()
304 	bool needs_gmac4 = priv->plat->has_gmac4;  in stmmac_hwif_init()
305 	bool needs_gmac = priv->plat->has_gmac;  in stmmac_hwif_init()
307 	struct mac_device_info *mac;  in stmmac_hwif_init()  local
323 	priv->synopsys_id = id;  in stmmac_hwif_init()
326 	priv->ptpaddr = priv->ioaddr +  in stmmac_hwif_init()
328 	priv->mmcaddr = priv->ioaddr +  in stmmac_hwif_init()
331 		priv->estaddr = priv->ioaddr + EST_GMAC4_OFFSET;  in stmmac_hwif_init()
333 		priv->estaddr = priv->ioaddr + EST_XGMAC_OFFSET;  in stmmac_hwif_init()
336 	if (priv->plat->setup) {  in stmmac_hwif_init()
337 		mac = priv->plat->setup(priv);  in stmmac_hwif_init()
340 		mac = devm_kzalloc(priv->device, sizeof(*mac), GFP_KERNEL);  in stmmac_hwif_init()
343 	if (!mac)  in stmmac_hwif_init()
344 		return -ENOMEM;  in stmmac_hwif_init()
347 	for (i = ARRAY_SIZE(stmmac_hw) - 1; i >= 0; i--) {  in stmmac_hwif_init()
350 		if (needs_gmac ^ entry->gmac)  in stmmac_hwif_init()
352 		if (needs_gmac4 ^ entry->gmac4)  in stmmac_hwif_init()
354 		if (needs_xgmac ^ entry->xgmac)  in stmmac_hwif_init()
357 		if (priv->synopsys_id < entry->min_id)  in stmmac_hwif_init()
359 		if (needs_xgmac && (dev_id ^ entry->dev_id))  in stmmac_hwif_init()
363 		mac->desc = mac->desc ? : entry->desc;  in stmmac_hwif_init()
364 		mac->dma = mac->dma ? : entry->dma;  in stmmac_hwif_init()
365 		mac->mac = mac->mac ? : entry->mac;  in stmmac_hwif_init()
366 		mac->ptp = mac->ptp ? : entry->hwtimestamp;  in stmmac_hwif_init()
367 		mac->mode = mac->mode ? : entry->mode;  in stmmac_hwif_init()
368 		mac->tc = mac->tc ? : entry->tc;  in stmmac_hwif_init()
369 		mac->mmc = mac->mmc ? : entry->mmc;  in stmmac_hwif_init()
370 		mac->est = mac->est ? : entry->est;  in stmmac_hwif_init()
372 		priv->hw = mac;  in stmmac_hwif_init()
373 		priv->fpe_cfg.reg = entry->regs.fpe_reg;  in stmmac_hwif_init()
374 		priv->ptpaddr = priv->ioaddr + entry->regs.ptp_off;  in stmmac_hwif_init()
375 		priv->mmcaddr = priv->ioaddr + entry->regs.mmc_off;  in stmmac_hwif_init()
376 		memcpy(&priv->ptp_clock_ops, entry->ptp,  in stmmac_hwif_init()
378 		if (entry->est)  in stmmac_hwif_init()
379 			priv->estaddr = priv->ioaddr + entry->regs.est_off;  in stmmac_hwif_init()
383 			ret = entry->setup(priv);  in stmmac_hwif_init()
389 		priv->hwif_quirks = entry->quirks;  in stmmac_hwif_init()
393 	dev_err(priv->device, "Failed to find HW IF (id=0x%x, gmac=%d/%d)\n",  in stmmac_hwif_init()
395 	return -EINVAL;  in stmmac_hwif_init()