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/*
* ocp_zmii.h
*
* Defines for the IBM ZMII bridge
*
* Armin Kuster akuster@mvista.com
* Dec, 2001
*
* Copyright 2001 MontaVista Softare 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 _IBM_EMAC_ZMII_H_
#define _IBM_EMAC_ZMII_H_
#include <linux/config.h>
/* ZMII bridge registers */
struct zmii_regs {
u32 fer; /* Function enable reg */
u32 ssr; /* Speed select reg */
u32 smiirs; /* SMII status reg */
};
#define ZMII_INPUTS 4
/* ZMII device */
struct ibm_ocp_zmii {
struct zmii_regs *base;
int mode[ZMII_INPUTS];
int users; /* number of EMACs using this ZMII bridge */
};
/* Fuctional Enable Reg */
#define ZMII_FER_MASK(x) (0xf0000000 >> (4*x))
#define ZMII_MDI0 0x80000000
#define ZMII_SMII0 0x40000000
#define ZMII_RMII0 0x20000000
#define ZMII_MII0 0x10000000
#define ZMII_MDI1 0x08000000
#define ZMII_SMII1 0x04000000
#define ZMII_RMII1 0x02000000
#define ZMII_MII1 0x01000000
#define ZMII_MDI2 0x00800000
#define ZMII_SMII2 0x00400000
#define ZMII_RMII2 0x00200000
#define ZMII_MII2 0x00100000
#define ZMII_MDI3 0x00080000
#define ZMII_SMII3 0x00040000
#define ZMII_RMII3 0x00020000
#define ZMII_MII3 0x00010000
/* Speed Selection reg */
#define ZMII_SCI0 0x40000000
#define ZMII_FSS0 0x20000000
#define ZMII_SP0 0x10000000
#define ZMII_SCI1 0x04000000
#define ZMII_FSS1 0x02000000
#define ZMII_SP1 0x01000000
#define ZMII_SCI2 0x00400000
#define ZMII_FSS2 0x00200000
#define ZMII_SP2 0x00100000
#define ZMII_SCI3 0x00040000
#define ZMII_FSS3 0x00020000
#define ZMII_SP3 0x00010000
#define ZMII_MII0_100MB ZMII_SP0
#define ZMII_MII0_10MB ~ZMII_SP0
#define ZMII_MII1_100MB ZMII_SP1
#define ZMII_MII1_10MB ~ZMII_SP1
#define ZMII_MII2_100MB ZMII_SP2
#define ZMII_MII2_10MB ~ZMII_SP2
#define ZMII_MII3_100MB ZMII_SP3
#define ZMII_MII3_10MB ~ZMII_SP3
/* SMII Status reg */
#define ZMII_STS0 0xFF000000 /* EMAC0 smii status mask */
#define ZMII_STS1 0x00FF0000 /* EMAC1 smii status mask */
#define SMII 0
#define RMII 1
#define MII 2
#define MDI 3
#endif /* _IBM_EMAC_ZMII_H_ */
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