net: fsl_enetc: Introduce driver data

Introduce driver data for each PCI device. The driver data carry
offsets of registers which differ between different SoCs.

Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/drivers/net/fsl_enetc.c b/drivers/net/fsl_enetc.c
index 532a367..c92626a 100644
--- a/drivers/net/fsl_enetc.c
+++ b/drivers/net/fsl_enetc.c
@@ -786,8 +786,19 @@
 	.plat_auto	= sizeof(struct eth_pdata),
 };
 
+static const struct enetc_data enetc_data_ls = {
+	.reg_offset_pmr		= ENETC_PMR_OFFSET_LS,
+	.reg_offset_psipmar	= ENETC_PSIPMARn_OFFSET_LS,
+	.reg_offset_pcapr	= ENETC_PCAPR_OFFSET_LS,
+	.reg_offset_psicfgr	= ENETC_PSICFGR_OFFSET_LS,
+	.reg_offset_mac		= ENETC_PM_OFFSET_LS,
+};
+
 static struct pci_device_id enetc_ids_ls[] = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, PCI_DEVICE_ID_ENETC_ETH) },
+	{
+		PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, PCI_DEVICE_ID_ENETC_ETH),
+		.driver_data = (ulong)&enetc_data_ls,
+	},
 	{}
 };
 
diff --git a/drivers/net/fsl_enetc.h b/drivers/net/fsl_enetc.h
index 15408b6..b815474 100644
--- a/drivers/net/fsl_enetc.h
+++ b/drivers/net/fsl_enetc.h
@@ -168,6 +168,15 @@
 	struct phy_device *phy;
 };
 
+struct enetc_data {
+	/* Register layout offsets */
+	u16			reg_offset_pmr;
+	u16			reg_offset_psipmar;
+	u16			reg_offset_pcapr;
+	u16			reg_offset_psicfgr;
+	u16			reg_offset_mac;
+};
+
 /* PCS / internal SoC PHY ID, it defaults to 0 on all interfaces */
 #define ENETC_PCS_PHY_ADDR	0