GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
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+/*
+ * CPSW Ethernet Switch Driver
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CPSW_H_
+#define _CPSW_H_
+
+#include <dm/ofnode.h>
+
+/* reg offset */
+#define CPSW_HOST_PORT_OFFSET	0x108
+#define CPSW_SLAVE0_OFFSET	0x208
+#define CPSW_SLAVE1_OFFSET	0x308
+#define CPSW_SLAVE_SIZE		0x100
+#define CPSW_CPDMA_OFFSET	0x800
+#define CPSW_HW_STATS		0x900
+#define CPSW_STATERAM_OFFSET	0xa00
+#define CPSW_CPTS_OFFSET	0xc00
+#define CPSW_ALE_OFFSET		0xd00
+#define CPSW_SLIVER0_OFFSET	0xd80
+#define CPSW_SLIVER1_OFFSET	0xdc0
+#define CPSW_BD_OFFSET		0x2000
+#define CPSW_MDIO_DIV		0xff
+
+#define AM335X_GMII_SEL_OFFSET	0x630
+
+struct cpsw_slave_data {
+	u32		slave_reg_ofs;
+	u32		sliver_reg_ofs;
+	int		phy_addr;
+	int		phy_if;
+	ofnode		phy_of_handle;
+	int		max_speed;
+};
+
+enum {
+	CPSW_CTRL_VERSION_1 = 0,
+	CPSW_CTRL_VERSION_2	/* am33xx like devices */
+};
+
+struct cpsw_platform_data {
+	u32	mdio_base;
+	u32	cpsw_base;
+	u32	mac_id;
+	u32	gmii_sel;
+	int	mdio_div;
+	int	channels;	/* number of cpdma channels (symmetric)	*/
+	u32	cpdma_reg_ofs;	/* cpdma register offset		*/
+	int	slaves;		/* number of slave cpgmac ports		*/
+	u32	ale_reg_ofs;	/* address lookup engine reg offset	*/
+	int	ale_entries;	/* ale table size			*/
+	u32	host_port_reg_ofs;	/* cpdma host port registers	*/
+	u32	hw_stats_reg_ofs;	/* cpsw hw stats counters	*/
+	u32	bd_ram_ofs;		/* Buffer Descriptor RAM offset */
+	u32	mac_control;
+	struct cpsw_slave_data	*slave_data;
+	void	(*control)(int enabled);
+	u32	host_port_num;
+	u32	active_slave;
+	bool	rmii_clock_external;
+	u8	version;
+	const char *phy_sel_compat;
+	u32	syscon_addr;
+	const char *macid_sel_compat;
+};
+
+int cpsw_register(struct cpsw_platform_data *data);
+int ti_cm_get_macid_addr(struct udevice *dev, int slave,
+			 struct cpsw_platform_data *data);
+void ti_cm_get_macid(struct udevice *dev, struct cpsw_platform_data *data,
+		     u8 *mac_addr);
+int cpsw_get_slave_phy_addr(struct udevice *dev, int slave);
+
+#endif /* _CPSW_H_  */