1/*
 2 * Freescale PowerQUICC MDIO Driver -- MII Management Bus Implementation
 3 * Driver for the MDIO bus controller on Freescale PowerQUICC processors
 4 *
 5 * Author: Andy Fleming
 6 * Modifier: Sandeep Gopalpet
 7 *
 8 * Copyright 2002-2004, 2008-2009 Freescale Semiconductor, Inc.
 9 *
10 * This program is free software; you can redistribute  it and/or modify it
11 * under  the terms of  the GNU General  Public License as published by the
12 * Free Software Foundation;  either version 2 of the  License, or (at your
13 * option) any later version.
14 *
15 */
16#ifndef __FSL_PQ_MDIO_H
17#define __FSL_PQ_MDIO_H
18
19#define MIIMIND_BUSY            0x00000001
20#define MIIMIND_NOTVALID        0x00000004
21#define MIIMCFG_INIT_VALUE	0x00000007
22#define MIIMCFG_RESET           0x80000000
23
24#define MII_READ_COMMAND       0x00000001
25
26struct fsl_pq_mdio {
27	u8 res1[16];
28	u32 ieventm;	/* MDIO Interrupt event register (for etsec2)*/
29	u32 imaskm;	/* MDIO Interrupt mask register (for etsec2)*/
30	u8 res2[4];
31	u32 emapm;	/* MDIO Event mapping register (for etsec2)*/
32	u8 res3[1280];
33	u32 miimcfg;		/* MII management configuration reg */
34	u32 miimcom;		/* MII management command reg */
35	u32 miimadd;		/* MII management address reg */
36	u32 miimcon;		/* MII management control reg */
37	u32 miimstat;		/* MII management status reg */
38	u32 miimind;		/* MII management indication reg */
39	u8 reserved[28];	/* Space holder */
40	u32 utbipar;		/* TBI phy address reg (only on UCC) */
41	u8 res4[2728];
42} __packed;
43
44int fsl_pq_mdio_read(struct mii_bus *bus, int mii_id, int regnum);
45int fsl_pq_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value);
46int fsl_pq_local_mdio_write(struct fsl_pq_mdio __iomem *regs, int mii_id,
47			  int regnum, u16 value);
48int fsl_pq_local_mdio_read(struct fsl_pq_mdio __iomem *regs, int mii_id, int regnum);
49int __init fsl_pq_mdio_init(void);
50void fsl_pq_mdio_exit(void);
51void fsl_pq_mdio_bus_name(char *name, struct device_node *np);
52#endif /* FSL_PQ_MDIO_H */