1 /*
2  * CPSW Ethernet Switch Driver
3  *
4  * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License as
8  * published by the Free Software Foundation version 2.
9  *
10  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
11  * kind, whether express or implied; without even the implied warranty
12  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  */
15 
16 #ifndef _CPSW_H_
17 #define _CPSW_H_
18 
19 #include <dm/ofnode.h>
20 
21 /* reg offset */
22 #define CPSW_HOST_PORT_OFFSET	0x108
23 #define CPSW_SLAVE0_OFFSET	0x208
24 #define CPSW_SLAVE1_OFFSET	0x308
25 #define CPSW_SLAVE_SIZE		0x100
26 #define CPSW_CPDMA_OFFSET	0x800
27 #define CPSW_HW_STATS		0x900
28 #define CPSW_STATERAM_OFFSET	0xa00
29 #define CPSW_CPTS_OFFSET	0xc00
30 #define CPSW_ALE_OFFSET		0xd00
31 #define CPSW_SLIVER0_OFFSET	0xd80
32 #define CPSW_SLIVER1_OFFSET	0xdc0
33 #define CPSW_BD_OFFSET		0x2000
34 #define CPSW_MDIO_DIV		0xff
35 
36 #define AM335X_GMII_SEL_OFFSET	0x630
37 
38 struct cpsw_slave_data {
39 	u32		slave_reg_ofs;
40 	u32		sliver_reg_ofs;
41 	int		phy_addr;
42 	int		phy_if;
43 	ofnode		phy_of_handle;
44 	int		max_speed;
45 };
46 
47 enum {
48 	CPSW_CTRL_VERSION_1 = 0,
49 	CPSW_CTRL_VERSION_2	/* am33xx like devices */
50 };
51 
52 struct cpsw_platform_data {
53 	u32	mdio_base;
54 	u32	cpsw_base;
55 	u32	mac_id;
56 	u32	gmii_sel;
57 	int	mdio_div;
58 	int	channels;	/* number of cpdma channels (symmetric)	*/
59 	u32	cpdma_reg_ofs;	/* cpdma register offset		*/
60 	int	slaves;		/* number of slave cpgmac ports		*/
61 	u32	ale_reg_ofs;	/* address lookup engine reg offset	*/
62 	int	ale_entries;	/* ale table size			*/
63 	u32	host_port_reg_ofs;	/* cpdma host port registers	*/
64 	u32	hw_stats_reg_ofs;	/* cpsw hw stats counters	*/
65 	u32	bd_ram_ofs;		/* Buffer Descriptor RAM offset */
66 	u32	mac_control;
67 	struct cpsw_slave_data	*slave_data;
68 	void	(*control)(int enabled);
69 	u32	host_port_num;
70 	u32	active_slave;
71 	bool	rmii_clock_external;
72 	u8	version;
73 	const char *phy_sel_compat;
74 	u32	syscon_addr;
75 	const char *macid_sel_compat;
76 };
77 
78 int cpsw_register(struct cpsw_platform_data *data);
79 int ti_cm_get_macid_addr(struct udevice *dev, int slave,
80 			 struct cpsw_platform_data *data);
81 void ti_cm_get_macid(struct udevice *dev, struct cpsw_platform_data *data,
82 		     u8 *mac_addr);
83 int cpsw_get_slave_phy_addr(struct udevice *dev, int slave);
84 
85 #endif /* _CPSW_H_  */
86