You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
4.2 KiB
100 lines
4.2 KiB
/*
|
|
* drivers/net/ucc_geth_mii.h
|
|
*
|
|
* Gianfar Ethernet Driver -- MII Management Bus Implementation
|
|
* Driver for the MDIO bus controller in the Gianfar register space
|
|
*
|
|
* Author: Andy Fleming
|
|
* Maintainer: Kumar Gala
|
|
*
|
|
* Copyright (c) 2002-2004 Freescale Semiconductor, Inc.
|
|
*
|
|
* 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; either version 2 of the License, or (at your
|
|
* option) any later version.
|
|
*
|
|
*/
|
|
#ifndef __UEC_MII_H
|
|
#define __UEC_MII_H
|
|
|
|
/* UCC GETH MIIMCFG (MII Management Configuration Register) */
|
|
#define MIIMCFG_RESET_MANAGEMENT 0x80000000 /* Reset
|
|
management */
|
|
#define MIIMCFG_NO_PREAMBLE 0x00000010 /* Preamble
|
|
suppress */
|
|
#define MIIMCFG_CLOCK_DIVIDE_SHIFT (31 - 31) /* clock divide
|
|
<< shift */
|
|
#define MIIMCFG_CLOCK_DIVIDE_MAX 0xf /* max clock divide */
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_2 0x00000000
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_4 0x00000001
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_6 0x00000002
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_8 0x00000003
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_10 0x00000004
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_14 0x00000005
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_16 0x00000008
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_20 0x00000006
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_28 0x00000007
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_32 0x00000009
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_48 0x0000000a
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_64 0x0000000b
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_80 0x0000000c
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_112 0x0000000d
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_160 0x0000000e
|
|
#define MIIMCFG_MANAGEMENT_CLOCK_DIVIDE_BY_224 0x0000000f
|
|
|
|
/* UCC GETH MIIMCOM (MII Management Command Register) */
|
|
#define MIIMCOM_SCAN_CYCLE 0x00000002 /* Scan cycle */
|
|
#define MIIMCOM_READ_CYCLE 0x00000001 /* Read cycle */
|
|
|
|
/* UCC GETH MIIMADD (MII Management Address Register) */
|
|
#define MIIMADD_PHY_ADDRESS_SHIFT (31 - 23) /* PHY Address
|
|
<< shift */
|
|
#define MIIMADD_PHY_REGISTER_SHIFT (31 - 31) /* PHY Register
|
|
<< shift */
|
|
|
|
/* UCC GETH MIIMCON (MII Management Control Register) */
|
|
#define MIIMCON_PHY_CONTROL_SHIFT (31 - 31) /* PHY Control
|
|
<< shift */
|
|
#define MIIMCON_PHY_STATUS_SHIFT (31 - 31) /* PHY Status
|
|
<< shift */
|
|
|
|
/* UCC GETH MIIMIND (MII Management Indicator Register) */
|
|
#define MIIMIND_NOT_VALID 0x00000004 /* Not valid */
|
|
#define MIIMIND_SCAN 0x00000002 /* Scan in
|
|
progress */
|
|
#define MIIMIND_BUSY 0x00000001
|
|
|
|
/* Initial TBI Physical Address */
|
|
#define UTBIPAR_INIT_TBIPA 0x1f
|
|
|
|
struct ucc_mii_mng {
|
|
u32 miimcfg; /* MII management configuration reg */
|
|
u32 miimcom; /* MII management command reg */
|
|
u32 miimadd; /* MII management address reg */
|
|
u32 miimcon; /* MII management control reg */
|
|
u32 miimstat; /* MII management status reg */
|
|
u32 miimind; /* MII management indication reg */
|
|
u8 notcare[28]; /* Space holder */
|
|
u32 utbipar; /* TBI phy address reg */
|
|
} __attribute__ ((packed));
|
|
|
|
/* TBI / MII Set Register */
|
|
enum enet_tbi_mii_reg {
|
|
ENET_TBI_MII_CR = 0x00, /* Control */
|
|
ENET_TBI_MII_SR = 0x01, /* Status */
|
|
ENET_TBI_MII_ANA = 0x04, /* AN advertisement */
|
|
ENET_TBI_MII_ANLPBPA = 0x05, /* AN link partner base page ability */
|
|
ENET_TBI_MII_ANEX = 0x06, /* AN expansion */
|
|
ENET_TBI_MII_ANNPT = 0x07, /* AN next page transmit */
|
|
ENET_TBI_MII_ANLPANP = 0x08, /* AN link partner ability next page */
|
|
ENET_TBI_MII_EXST = 0x0F, /* Extended status */
|
|
ENET_TBI_MII_JD = 0x10, /* Jitter diagnostics */
|
|
ENET_TBI_MII_TBICON = 0x11 /* TBI control */
|
|
};
|
|
|
|
int uec_mdio_read(struct mii_bus *bus, int mii_id, int regnum);
|
|
int uec_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value);
|
|
int __init uec_mdio_init(void);
|
|
void __exit uec_mdio_exit(void);
|
|
#endif /* __UEC_MII_H */
|
|
|