rtl88x2CE_WiFi_linux driver

hc

2024-05-10 cde9070d9970eef1f7ec2360586c802a16230ad8

 kernel/drivers/net/ethernet/stmicro/stmmac/hwif.c
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@@ -23,6 +23,19 @@
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 	return reg & GENMASK(7, 0);
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 }
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+static u32 stmmac_get_dev_id(struct stmmac_priv *priv, u32 id_reg)
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+{
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+	u32 reg = readl(priv->ioaddr + id_reg);
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+
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+	if (!reg) {
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+		dev_info(priv->device, "Version ID not available\n");
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+		return 0x0;
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+	}
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+
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+	return (reg & GENMASK(15, 8)) >> 8;
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+}
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+
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+#ifdef CONFIG_STMMAC_FULL
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 static void stmmac_dwmac_mode_quirk(struct stmmac_priv *priv)
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 {
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 	struct mac_device_info *mac = priv->hw;
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@@ -69,11 +82,19 @@
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 	return 0;
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 }
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+static int stmmac_dwxlgmac_quirks(struct stmmac_priv *priv)
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+{
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+	priv->hw->xlgmac = true;
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+	return 0;
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+}
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+#endif
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+
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 static const struct stmmac_hwif_entry {
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 	bool gmac;
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 	bool gmac4;
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 	bool xgmac;
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 	u32 min_id;
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+	u32 dev_id;
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 	const struct stmmac_regs_off regs;
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 	const void *desc;
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 	const void *dma;
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@@ -81,10 +102,12 @@
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 	const void *hwtimestamp;
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 	const void *mode;
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 	const void *tc;
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+	const void *mmc;
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 	int (*setup)(struct stmmac_priv *priv);
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 	int (*quirks)(struct stmmac_priv *priv);
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 } stmmac_hw[] = {
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 	/* NOTE: New HW versions shall go to the end of this table */
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+#ifdef CONFIG_STMMAC_FULL
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 	{
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 		.gmac = false,
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 		.gmac4 = false,
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@@ -100,6 +123,7 @@
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 		.hwtimestamp = &stmmac_ptp,
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 		.mode = NULL,
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 		.tc = NULL,
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+		.mmc = &dwmac_mmc_ops,
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 		.setup = dwmac100_setup,
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 		.quirks = stmmac_dwmac1_quirks,
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 	}, {
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@@ -117,6 +141,7 @@
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 		.hwtimestamp = &stmmac_ptp,
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 		.mode = NULL,
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 		.tc = NULL,
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+		.mmc = &dwmac_mmc_ops,
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 		.setup = dwmac1000_setup,
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 		.quirks = stmmac_dwmac1_quirks,
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 	}, {
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@@ -133,7 +158,8 @@
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 		.mac = &dwmac4_ops,
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 		.hwtimestamp = &stmmac_ptp,
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 		.mode = NULL,
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-		.tc = NULL,
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+		.tc = &dwmac510_tc_ops,
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+		.mmc = &dwmac_mmc_ops,
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 		.setup = dwmac4_setup,
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 		.quirks = stmmac_dwmac4_quirks,
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 	}, {
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@@ -150,10 +176,13 @@
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 		.mac = &dwmac410_ops,
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 		.hwtimestamp = &stmmac_ptp,
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 		.mode = &dwmac4_ring_mode_ops,
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-		.tc = NULL,
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+		.tc = &dwmac510_tc_ops,
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+		.mmc = &dwmac_mmc_ops,
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 		.setup = dwmac4_setup,
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 		.quirks = NULL,
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-	}, {
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+	},
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+#endif /* CONFIG_STMMAC_FULL */
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+	{
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 		.gmac = false,
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 		.gmac4 = true,
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 		.xgmac = false,
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@@ -167,10 +196,15 @@
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 		.mac = &dwmac410_ops,
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 		.hwtimestamp = &stmmac_ptp,
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 		.mode = &dwmac4_ring_mode_ops,
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-		.tc = NULL,
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+#ifdef CONFIG_STMMAC_FULL
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+		.tc = &dwmac510_tc_ops,
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+#endif
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+		.mmc = &dwmac_mmc_ops,
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 		.setup = dwmac4_setup,
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 		.quirks = NULL,
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-	}, {
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+	},
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+#ifdef CONFIG_STMMAC_FULL
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+	{
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 		.gmac = false,
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 		.gmac4 = true,
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 		.xgmac = false,
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@@ -185,6 +219,7 @@
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 		.hwtimestamp = &stmmac_ptp,
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 		.mode = &dwmac4_ring_mode_ops,
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 		.tc = &dwmac510_tc_ops,
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+		.mmc = &dwmac_mmc_ops,
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 		.setup = dwmac4_setup,
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 		.quirks = NULL,
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 	}, {
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@@ -192,19 +227,41 @@
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 		.gmac4 = false,
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 		.xgmac = true,
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 		.min_id = DWXGMAC_CORE_2_10,
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+		.dev_id = DWXGMAC_ID,
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 		.regs = {
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 			.ptp_off = PTP_XGMAC_OFFSET,
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-			.mmc_off = 0,
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+			.mmc_off = MMC_XGMAC_OFFSET,
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 		},
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 		.desc = &dwxgmac210_desc_ops,
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 		.dma = &dwxgmac210_dma_ops,
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 		.mac = &dwxgmac210_ops,
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 		.hwtimestamp = &stmmac_ptp,
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 		.mode = NULL,
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-		.tc = NULL,
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+		.tc = &dwmac510_tc_ops,
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+		.mmc = &dwxgmac_mmc_ops,
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 		.setup = dwxgmac2_setup,
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 		.quirks = NULL,
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+	}, {
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+		.gmac = false,
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+		.gmac4 = false,
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+		.xgmac = true,
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+		.min_id = DWXLGMAC_CORE_2_00,
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+		.dev_id = DWXLGMAC_ID,
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+		.regs = {
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+			.ptp_off = PTP_XGMAC_OFFSET,
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+			.mmc_off = MMC_XGMAC_OFFSET,
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+		},
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+		.desc = &dwxgmac210_desc_ops,
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+		.dma = &dwxgmac210_dma_ops,
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+		.mac = &dwxlgmac2_ops,
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+		.hwtimestamp = &stmmac_ptp,
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+		.mode = NULL,
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+		.tc = &dwmac510_tc_ops,
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+		.mmc = &dwxgmac_mmc_ops,
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+		.setup = dwxlgmac2_setup,
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+		.quirks = stmmac_dwxlgmac_quirks,
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 	},
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+#endif
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 };
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 int stmmac_hwif_init(struct stmmac_priv *priv)
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@@ -215,13 +272,15 @@
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 	const struct stmmac_hwif_entry *entry;
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 	struct mac_device_info *mac;
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 	bool needs_setup = true;
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+	u32 id, dev_id = 0;
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 	int i, ret;
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-	u32 id;
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 	if (needs_gmac) {
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 		id = stmmac_get_id(priv, GMAC_VERSION);
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 	} else if (needs_gmac4 || needs_xgmac) {
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 		id = stmmac_get_id(priv, GMAC4_VERSION);
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+		if (needs_xgmac)
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+			dev_id = stmmac_get_dev_id(priv, GMAC4_VERSION);
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 	} else {
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 		id = 0;
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 	}
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@@ -259,6 +318,8 @@
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 		/* Use synopsys_id var because some setups can override this */
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 		if (priv->synopsys_id < entry->min_id)
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 			continue;
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+		if (needs_xgmac && (dev_id ^ entry->dev_id))
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+			continue;
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 		/* Only use generic HW helpers if needed */
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 		mac->desc = mac->desc ? : entry->desc;
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@@ -267,6 +328,7 @@
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 		mac->ptp = mac->ptp ? : entry->hwtimestamp;
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 		mac->mode = mac->mode ? : entry->mode;
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 		mac->tc = mac->tc ? : entry->tc;
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+		mac->mmc = mac->mmc ? : entry->mmc;
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 		priv->hw = mac;
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 		priv->ptpaddr = priv->ioaddr + entry->regs.ptp_off;