[u-boot.git] / drivers / net / davinci_emac.h

/*
 * Copyright (C) 2011 Ilya Yanok, Emcraft Systems
 *
 * Based on: mach-davinci/emac_defs.h
 * Copyright (C) 2007 Sergey Kubushyn <[email protected]>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef _DAVINCI_EMAC_H_
#define _DAVINCI_EMAC_H_
/* Ethernet Min/Max packet size */
#define EMAC_MIN_ETHERNET_PKT_SIZE	60
#define EMAC_MAX_ETHERNET_PKT_SIZE	1518
/* Buffer size (should be aligned on 32 byte and cache line) */
#define EMAC_RXBUF_SIZE	ALIGN(ALIGN(EMAC_MAX_ETHERNET_PKT_SIZE, 32),\
				ARCH_DMA_MINALIGN)

/* Number of RX packet buffers
 * NOTE: Only 1 buffer supported as of now
 */
#define EMAC_MAX_RX_BUFFERS		10


/***********************************************
 ******** Internally used macros ***************
 ***********************************************/

#define EMAC_CH_TX			1
#define EMAC_CH_RX			0

/* Each descriptor occupies 4 words, lets start RX desc's at 0 and
 * reserve space for 64 descriptors max
 */
#define EMAC_RX_DESC_BASE		0x0
#define EMAC_TX_DESC_BASE		0x1000

/* EMAC Teardown value */
#define EMAC_TEARDOWN_VALUE		0xfffffffc

/* MII Status Register */
#define MII_STATUS_REG			1

/* Number of statistics registers */
#define EMAC_NUM_STATS			36


/* EMAC Descriptor */
typedef volatile struct _emac_desc
{
	u_int32_t	next;		/* Pointer to next descriptor
					   in chain */
	u_int8_t	*buffer;	/* Pointer to data buffer */
	u_int32_t	buff_off_len;	/* Buffer Offset(MSW) and Length(LSW) */
	u_int32_t	pkt_flag_len;	/* Packet Flags(MSW) and Length(LSW) */
} emac_desc;

/* CPPI bit positions */
#define EMAC_CPPI_SOP_BIT		(0x80000000)
#define EMAC_CPPI_EOP_BIT		(0x40000000)
#define EMAC_CPPI_OWNERSHIP_BIT		(0x20000000)
#define EMAC_CPPI_EOQ_BIT		(0x10000000)
#define EMAC_CPPI_TEARDOWN_COMPLETE_BIT	(0x08000000)
#define EMAC_CPPI_PASS_CRC_BIT		(0x04000000)

#define EMAC_CPPI_RX_ERROR_FRAME	(0x03fc0000)

#define EMAC_MACCONTROL_MIIEN_ENABLE		(0x20)
#define EMAC_MACCONTROL_FULLDUPLEX_ENABLE	(0x1)
#define EMAC_MACCONTROL_GIGABIT_ENABLE		(1 << 7)
#define EMAC_MACCONTROL_GIGFORCE		(1 << 17)
#define EMAC_MACCONTROL_RMIISPEED_100		(1 << 15)

#define EMAC_MAC_ADDR_MATCH		(1 << 19)
#define EMAC_MAC_ADDR_IS_VALID		(1 << 20)

#define EMAC_RXMBPENABLE_RXCAFEN_ENABLE	(0x200000)
#define EMAC_RXMBPENABLE_RXBROADEN	(0x2000)


#define MDIO_CONTROL_IDLE		(0x80000000)
#define MDIO_CONTROL_ENABLE		(0x40000000)
#define MDIO_CONTROL_FAULT_ENABLE	(0x40000)
#define MDIO_CONTROL_FAULT		(0x80000)
#define MDIO_USERACCESS0_GO		(0x80000000)
#define MDIO_USERACCESS0_WRITE_READ	(0x0)
#define MDIO_USERACCESS0_WRITE_WRITE	(0x40000000)
#define MDIO_USERACCESS0_ACK		(0x20000000)

/* Ethernet MAC Registers Structure */
typedef struct  {
	dv_reg		TXIDVER;
	dv_reg		TXCONTROL;
	dv_reg		TXTEARDOWN;
	u_int8_t	RSVD0[4];
	dv_reg		RXIDVER;
	dv_reg		RXCONTROL;
	dv_reg		RXTEARDOWN;
	u_int8_t	RSVD1[100];
	dv_reg		TXINTSTATRAW;
	dv_reg		TXINTSTATMASKED;
	dv_reg		TXINTMASKSET;
	dv_reg		TXINTMASKCLEAR;
	dv_reg		MACINVECTOR;
	u_int8_t	RSVD2[12];
	dv_reg		RXINTSTATRAW;
	dv_reg		RXINTSTATMASKED;
	dv_reg		RXINTMASKSET;
	dv_reg		RXINTMASKCLEAR;
	dv_reg		MACINTSTATRAW;
	dv_reg		MACINTSTATMASKED;
	dv_reg		MACINTMASKSET;
	dv_reg		MACINTMASKCLEAR;
	u_int8_t	RSVD3[64];
	dv_reg		RXMBPENABLE;
	dv_reg		RXUNICASTSET;
	dv_reg		RXUNICASTCLEAR;
	dv_reg		RXMAXLEN;
	dv_reg		RXBUFFEROFFSET;
	dv_reg		RXFILTERLOWTHRESH;
	u_int8_t	RSVD4[8];
	dv_reg		RX0FLOWTHRESH;
	dv_reg		RX1FLOWTHRESH;
	dv_reg		RX2FLOWTHRESH;
	dv_reg		RX3FLOWTHRESH;
	dv_reg		RX4FLOWTHRESH;
	dv_reg		RX5FLOWTHRESH;
	dv_reg		RX6FLOWTHRESH;
	dv_reg		RX7FLOWTHRESH;
	dv_reg		RX0FREEBUFFER;
	dv_reg		RX1FREEBUFFER;
	dv_reg		RX2FREEBUFFER;
	dv_reg		RX3FREEBUFFER;
	dv_reg		RX4FREEBUFFER;
	dv_reg		RX5FREEBUFFER;
	dv_reg		RX6FREEBUFFER;
	dv_reg		RX7FREEBUFFER;
	dv_reg		MACCONTROL;
	dv_reg		MACSTATUS;
	dv_reg		EMCONTROL;
	dv_reg		FIFOCONTROL;
	dv_reg		MACCONFIG;
	dv_reg		SOFTRESET;
	u_int8_t	RSVD5[88];
	dv_reg		MACSRCADDRLO;
	dv_reg		MACSRCADDRHI;
	dv_reg		MACHASH1;
	dv_reg		MACHASH2;
	dv_reg		BOFFTEST;
	dv_reg		TPACETEST;
	dv_reg		RXPAUSE;
	dv_reg		TXPAUSE;
	u_int8_t	RSVD6[16];
	dv_reg		RXGOODFRAMES;
	dv_reg		RXBCASTFRAMES;
	dv_reg		RXMCASTFRAMES;
	dv_reg		RXPAUSEFRAMES;
	dv_reg		RXCRCERRORS;
	dv_reg		RXALIGNCODEERRORS;
	dv_reg		RXOVERSIZED;
	dv_reg		RXJABBER;
	dv_reg		RXUNDERSIZED;
	dv_reg		RXFRAGMENTS;
	dv_reg		RXFILTERED;
	dv_reg		RXQOSFILTERED;
	dv_reg		RXOCTETS;
	dv_reg		TXGOODFRAMES;
	dv_reg		TXBCASTFRAMES;
	dv_reg		TXMCASTFRAMES;
	dv_reg		TXPAUSEFRAMES;
	dv_reg		TXDEFERRED;
	dv_reg		TXCOLLISION;
	dv_reg		TXSINGLECOLL;
	dv_reg		TXMULTICOLL;
	dv_reg		TXEXCESSIVECOLL;
	dv_reg		TXLATECOLL;
	dv_reg		TXUNDERRUN;
	dv_reg		TXCARRIERSENSE;
	dv_reg		TXOCTETS;
	dv_reg		FRAME64;
	dv_reg		FRAME65T127;
	dv_reg		FRAME128T255;
	dv_reg		FRAME256T511;
	dv_reg		FRAME512T1023;
	dv_reg		FRAME1024TUP;
	dv_reg		NETOCTETS;
	dv_reg		RXSOFOVERRUNS;
	dv_reg		RXMOFOVERRUNS;
	dv_reg		RXDMAOVERRUNS;
	u_int8_t	RSVD7[624];
	dv_reg		MACADDRLO;
	dv_reg		MACADDRHI;
	dv_reg		MACINDEX;
	u_int8_t	RSVD8[244];
	dv_reg		TX0HDP;
	dv_reg		TX1HDP;
	dv_reg		TX2HDP;
	dv_reg		TX3HDP;
	dv_reg		TX4HDP;
	dv_reg		TX5HDP;
	dv_reg		TX6HDP;
	dv_reg		TX7HDP;
	dv_reg		RX0HDP;
	dv_reg		RX1HDP;
	dv_reg		RX2HDP;
	dv_reg		RX3HDP;
	dv_reg		RX4HDP;
	dv_reg		RX5HDP;
	dv_reg		RX6HDP;
	dv_reg		RX7HDP;
	dv_reg		TX0CP;
	dv_reg		TX1CP;
	dv_reg		TX2CP;
	dv_reg		TX3CP;
	dv_reg		TX4CP;
	dv_reg		TX5CP;
	dv_reg		TX6CP;
	dv_reg		TX7CP;
	dv_reg		RX0CP;
	dv_reg		RX1CP;
	dv_reg		RX2CP;
	dv_reg		RX3CP;
	dv_reg		RX4CP;
	dv_reg		RX5CP;
	dv_reg		RX6CP;
	dv_reg		RX7CP;
} emac_regs;

/* EMAC Wrapper Registers Structure */
typedef struct  {
#ifdef DAVINCI_EMAC_VERSION2
	dv_reg		idver;
	dv_reg		softrst;
	dv_reg		emctrl;
	dv_reg		c0rxthreshen;
	dv_reg		c0rxen;
	dv_reg		c0txen;
	dv_reg		c0miscen;
	dv_reg		c1rxthreshen;
	dv_reg		c1rxen;
	dv_reg		c1txen;
	dv_reg		c1miscen;
	dv_reg		c2rxthreshen;
	dv_reg		c2rxen;
	dv_reg		c2txen;
	dv_reg		c2miscen;
	dv_reg		c0rxthreshstat;
	dv_reg		c0rxstat;
	dv_reg		c0txstat;
	dv_reg		c0miscstat;
	dv_reg		c1rxthreshstat;
	dv_reg		c1rxstat;
	dv_reg		c1txstat;
	dv_reg		c1miscstat;
	dv_reg		c2rxthreshstat;
	dv_reg		c2rxstat;
	dv_reg		c2txstat;
	dv_reg		c2miscstat;
	dv_reg		c0rximax;
	dv_reg		c0tximax;
	dv_reg		c1rximax;
	dv_reg		c1tximax;
	dv_reg		c2rximax;
	dv_reg		c2tximax;
#else
	u_int8_t	RSVD0[4100];
	dv_reg		EWCTL;
	dv_reg		EWINTTCNT;
#endif
} ewrap_regs;

/* EMAC MDIO Registers Structure */
typedef struct  {
	dv_reg		VERSION;
	dv_reg		CONTROL;
	dv_reg		ALIVE;
	dv_reg		LINK;
	dv_reg		LINKINTRAW;
	dv_reg		LINKINTMASKED;
	u_int8_t	RSVD0[8];
	dv_reg		USERINTRAW;
	dv_reg		USERINTMASKED;
	dv_reg		USERINTMASKSET;
	dv_reg		USERINTMASKCLEAR;
	u_int8_t	RSVD1[80];
	dv_reg		USERACCESS0;
	dv_reg		USERPHYSEL0;
	dv_reg		USERACCESS1;
	dv_reg		USERPHYSEL1;
} mdio_regs;

int davinci_eth_phy_read(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t *data);
int davinci_eth_phy_write(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t data);

typedef struct {
	char	name[64];
	int	(*init)(int phy_addr);
	int	(*is_phy_connected)(int phy_addr);
	int	(*get_link_speed)(int phy_addr);
	int	(*auto_negotiate)(int phy_addr);
} phy_t;

#endif /* _DAVINCI_EMAC_H_ */
Commit	Line	Data
7c587d32 IY	1	/*
	2	* Copyright (C) 2011 Ilya Yanok, Emcraft Systems
	3	*
	4	* Based on: mach-davinci/emac_defs.h
	5	* Copyright (C) 2007 Sergey Kubushyn <[email protected]>
	6	*
1a459660	7	* SPDX-License-Identifier: GPL-2.0+
7c587d32 IY	8	*/
	9
	10	#ifndef _DAVINCI_EMAC_H_
	11	#define _DAVINCI_EMAC_H_
	12	/* Ethernet Min/Max packet size */
	13	#define EMAC_MIN_ETHERNET_PKT_SIZE 60
	14	#define EMAC_MAX_ETHERNET_PKT_SIZE 1518
2aa87202 IY	15	/* Buffer size (should be aligned on 32 byte and cache line) */
	16	#define EMAC_RXBUF_SIZE ALIGN(ALIGN(EMAC_MAX_ETHERNET_PKT_SIZE, 32),\
	17	ARCH_DMA_MINALIGN)
7c587d32 IY	18
	19	/* Number of RX packet buffers
	20	* NOTE: Only 1 buffer supported as of now
	21	*/
	22	#define EMAC_MAX_RX_BUFFERS 10
	23
	24
	25	/***********************************************
	26	****** Internally used macros *************
	27	***********************************************/
	28
	29	#define EMAC_CH_TX 1
	30	#define EMAC_CH_RX 0
	31
	32	/* Each descriptor occupies 4 words, lets start RX desc's at 0 and
	33	* reserve space for 64 descriptors max
	34	*/
	35	#define EMAC_RX_DESC_BASE 0x0
	36	#define EMAC_TX_DESC_BASE 0x1000
	37
	38	/* EMAC Teardown value */
	39	#define EMAC_TEARDOWN_VALUE 0xfffffffc
	40
	41	/* MII Status Register */
	42	#define MII_STATUS_REG 1
	43
	44	/* Number of statistics registers */
	45	#define EMAC_NUM_STATS 36
	46
	47
	48	/* EMAC Descriptor */
	49	typedef volatile struct _emac_desc
	50	{
	51	u_int32_t next; /* Pointer to next descriptor
	52	in chain */
	53	u_int8_t buffer; / Pointer to data buffer */
	54	u_int32_t buff_off_len; /* Buffer Offset(MSW) and Length(LSW) */
	55	u_int32_t pkt_flag_len; /* Packet Flags(MSW) and Length(LSW) */
	56	} emac_desc;
	57
	58	/* CPPI bit positions */
	59	#define EMAC_CPPI_SOP_BIT (0x80000000)
	60	#define EMAC_CPPI_EOP_BIT (0x40000000)
	61	#define EMAC_CPPI_OWNERSHIP_BIT (0x20000000)
	62	#define EMAC_CPPI_EOQ_BIT (0x10000000)
	63	#define EMAC_CPPI_TEARDOWN_COMPLETE_BIT (0x08000000)
	64	#define EMAC_CPPI_PASS_CRC_BIT (0x04000000)
	65
	66	#define EMAC_CPPI_RX_ERROR_FRAME (0x03fc0000)
	67
	68	#define EMAC_MACCONTROL_MIIEN_ENABLE (0x20)
	69	#define EMAC_MACCONTROL_FULLDUPLEX_ENABLE (0x1)
	70	#define EMAC_MACCONTROL_GIGABIT_ENABLE (1 << 7)
	71	#define EMAC_MACCONTROL_GIGFORCE (1 << 17)
	72	#define EMAC_MACCONTROL_RMIISPEED_100 (1 << 15)
	73
	74	#define EMAC_MAC_ADDR_MATCH (1 << 19)
	75	#define EMAC_MAC_ADDR_IS_VALID (1 << 20)
	76
	77	#define EMAC_RXMBPENABLE_RXCAFEN_ENABLE (0x200000)
	78	#define EMAC_RXMBPENABLE_RXBROADEN (0x2000)
	79
	80
	81	#define MDIO_CONTROL_IDLE (0x80000000)
82	#define MDIO_CONTROL_ENABLE (0x40000000)
83	#define MDIO_CONTROL_FAULT_ENABLE (0x40000)
84	#define MDIO_CONTROL_FAULT (0x80000)
85	#define MDIO_USERACCESS0_GO (0x80000000)
86	#define MDIO_USERACCESS0_WRITE_READ (0x0)
87	#define MDIO_USERACCESS0_WRITE_WRITE (0x40000000)
88	#define MDIO_USERACCESS0_ACK (0x20000000)
89
90	/* Ethernet MAC Registers Structure */
91	typedef struct {
92	dv_reg TXIDVER;
93	dv_reg TXCONTROL;
94	dv_reg TXTEARDOWN;
95	u_int8_t RSVD0[4];
96	dv_reg RXIDVER;
97	dv_reg RXCONTROL;
98	dv_reg RXTEARDOWN;
99	u_int8_t RSVD1[100];
100	dv_reg TXINTSTATRAW;
101	dv_reg TXINTSTATMASKED;
102	dv_reg TXINTMASKSET;
103	dv_reg TXINTMASKCLEAR;
104	dv_reg MACINVECTOR;
105	u_int8_t RSVD2[12];
106	dv_reg RXINTSTATRAW;
107	dv_reg RXINTSTATMASKED;
108	dv_reg RXINTMASKSET;
109	dv_reg RXINTMASKCLEAR;
110	dv_reg MACINTSTATRAW;
111	dv_reg MACINTSTATMASKED;
112	dv_reg MACINTMASKSET;
113	dv_reg MACINTMASKCLEAR;
114	u_int8_t RSVD3[64];
115	dv_reg RXMBPENABLE;
116	dv_reg RXUNICASTSET;
117	dv_reg RXUNICASTCLEAR;
118	dv_reg RXMAXLEN;
119	dv_reg RXBUFFEROFFSET;
120	dv_reg RXFILTERLOWTHRESH;
121	u_int8_t RSVD4[8];
122	dv_reg RX0FLOWTHRESH;
123	dv_reg RX1FLOWTHRESH;
124	dv_reg RX2FLOWTHRESH;
125	dv_reg RX3FLOWTHRESH;
126	dv_reg RX4FLOWTHRESH;
127	dv_reg RX5FLOWTHRESH;
128	dv_reg RX6FLOWTHRESH;
129	dv_reg RX7FLOWTHRESH;
130	dv_reg RX0FREEBUFFER;
131	dv_reg RX1FREEBUFFER;
132	dv_reg RX2FREEBUFFER;
133	dv_reg RX3FREEBUFFER;
134	dv_reg RX4FREEBUFFER;
135	dv_reg RX5FREEBUFFER;
136	dv_reg RX6FREEBUFFER;
137	dv_reg RX7FREEBUFFER;
138	dv_reg MACCONTROL;
139	dv_reg MACSTATUS;
140	dv_reg EMCONTROL;
141	dv_reg FIFOCONTROL;
142	dv_reg MACCONFIG;
143	dv_reg SOFTRESET;
144	u_int8_t RSVD5[88];
145	dv_reg MACSRCADDRLO;
146	dv_reg MACSRCADDRHI;
147	dv_reg MACHASH1;
148	dv_reg MACHASH2;
149	dv_reg BOFFTEST;
150	dv_reg TPACETEST;
151	dv_reg RXPAUSE;
152	dv_reg TXPAUSE;
153	u_int8_t RSVD6[16];
154	dv_reg RXGOODFRAMES;
155	dv_reg RXBCASTFRAMES;
156	dv_reg RXMCASTFRAMES;
157	dv_reg RXPAUSEFRAMES;
158	dv_reg RXCRCERRORS;
159	dv_reg RXALIGNCODEERRORS;
160	dv_reg RXOVERSIZED;
161	dv_reg RXJABBER;
162	dv_reg RXUNDERSIZED;
163	dv_reg RXFRAGMENTS;
164	dv_reg RXFILTERED;
165	dv_reg RXQOSFILTERED;
166	dv_reg RXOCTETS;
167	dv_reg TXGOODFRAMES;
168	dv_reg TXBCASTFRAMES;
169	dv_reg TXMCASTFRAMES;
170	dv_reg TXPAUSEFRAMES;
171	dv_reg TXDEFERRED;
172	dv_reg TXCOLLISION;
173	dv_reg TXSINGLECOLL;
174	dv_reg TXMULTICOLL;
175	dv_reg TXEXCESSIVECOLL;
176	dv_reg TXLATECOLL;
177	dv_reg TXUNDERRUN;
178	dv_reg TXCARRIERSENSE;
179	dv_reg TXOCTETS;
180	dv_reg FRAME64;
181	dv_reg FRAME65T127;
182	dv_reg FRAME128T255;
183	dv_reg FRAME256T511;
184	dv_reg FRAME512T1023;
185	dv_reg FRAME1024TUP;
186	dv_reg NETOCTETS;
187	dv_reg RXSOFOVERRUNS;
188	dv_reg RXMOFOVERRUNS;
189	dv_reg RXDMAOVERRUNS;
190	u_int8_t RSVD7[624];
191	dv_reg MACADDRLO;
192	dv_reg MACADDRHI;
193	dv_reg MACINDEX;
194	u_int8_t RSVD8[244];
195	dv_reg TX0HDP;
196	dv_reg TX1HDP;
197	dv_reg TX2HDP;
198	dv_reg TX3HDP;
199	dv_reg TX4HDP;
200	dv_reg TX5HDP;
201	dv_reg TX6HDP;
202	dv_reg TX7HDP;
203	dv_reg RX0HDP;
204	dv_reg RX1HDP;
205	dv_reg RX2HDP;
206	dv_reg RX3HDP;
207	dv_reg RX4HDP;
208	dv_reg RX5HDP;
209	dv_reg RX6HDP;
210	dv_reg RX7HDP;
211	dv_reg TX0CP;
212	dv_reg TX1CP;
213	dv_reg TX2CP;
214	dv_reg TX3CP;
215	dv_reg TX4CP;
216	dv_reg TX5CP;
217	dv_reg TX6CP;
218	dv_reg TX7CP;
219	dv_reg RX0CP;
220	dv_reg RX1CP;
221	dv_reg RX2CP;
222	dv_reg RX3CP;
223	dv_reg RX4CP;
224	dv_reg RX5CP;
225	dv_reg RX6CP;
226	dv_reg RX7CP;
227	} emac_regs;
228
229	/* EMAC Wrapper Registers Structure */
230	typedef struct {
231	#ifdef DAVINCI_EMAC_VERSION2
232	dv_reg idver;
233	dv_reg softrst;
234	dv_reg emctrl;
235	dv_reg c0rxthreshen;
236	dv_reg c0rxen;
237	dv_reg c0txen;
238	dv_reg c0miscen;
239	dv_reg c1rxthreshen;
240	dv_reg c1rxen;
241	dv_reg c1txen;
242	dv_reg c1miscen;
243	dv_reg c2rxthreshen;
244	dv_reg c2rxen;
245	dv_reg c2txen;
246	dv_reg c2miscen;
247	dv_reg c0rxthreshstat;
248	dv_reg c0rxstat;
249	dv_reg c0txstat;
250	dv_reg c0miscstat;
251	dv_reg c1rxthreshstat;
252	dv_reg c1rxstat;
253	dv_reg c1txstat;
254	dv_reg c1miscstat;
255	dv_reg c2rxthreshstat;
256	dv_reg c2rxstat;
257	dv_reg c2txstat;
258	dv_reg c2miscstat;
259	dv_reg c0rximax;
260	dv_reg c0tximax;
261	dv_reg c1rximax;
262	dv_reg c1tximax;
263	dv_reg c2rximax;
264	dv_reg c2tximax;
265	#else
266	u_int8_t RSVD0[4100];
267	dv_reg EWCTL;
268	dv_reg EWINTTCNT;
269	#endif
270	} ewrap_regs;
271
272	/* EMAC MDIO Registers Structure */
273	typedef struct {
274	dv_reg VERSION;
275	dv_reg CONTROL;
276	dv_reg ALIVE;
277	dv_reg LINK;
278	dv_reg LINKINTRAW;
279	dv_reg LINKINTMASKED;
280	u_int8_t RSVD0[8];
281	dv_reg USERINTRAW;
282	dv_reg USERINTMASKED;
283	dv_reg USERINTMASKSET;
284	dv_reg USERINTMASKCLEAR;
285	u_int8_t RSVD1[80];
286	dv_reg USERACCESS0;
287	dv_reg USERPHYSEL0;
288	dv_reg USERACCESS1;
289	dv_reg USERPHYSEL1;
290	} mdio_regs;
291
292	int davinci_eth_phy_read(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t *data);
293	int davinci_eth_phy_write(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t data);
294
295	typedef struct {
296	char name[64];
297	int (*init)(int phy_addr);
298	int (*is_phy_connected)(int phy_addr);
299	int (*get_link_speed)(int phy_addr);
300	int (*auto_negotiate)(int phy_addr);
301	} phy_t;
302
303	#endif /* _DAVINCI_EMAC_H_ */