94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
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/*
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* ocp_zmii.h
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*
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* Defines for the IBM ZMII bridge
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*
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* Armin Kuster akuster@mvista.com
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* Dec, 2001
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*
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* Copyright 2001 MontaVista Softare Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifndef _IBM_EMAC_ZMII_H_
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#define _IBM_EMAC_ZMII_H_
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#include <linux/config.h>
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/* ZMII bridge registers */
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struct zmii_regs {
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u32 fer; /* Function enable reg */
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u32 ssr; /* Speed select reg */
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u32 smiirs; /* SMII status reg */
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};
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#define ZMII_INPUTS 4
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/* ZMII device */
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struct ibm_ocp_zmii {
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struct zmii_regs *base;
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int mode[ZMII_INPUTS];
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int users; /* number of EMACs using this ZMII bridge */
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};
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/* Fuctional Enable Reg */
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#define ZMII_FER_MASK(x) (0xf0000000 >> (4*x))
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#define ZMII_MDI0 0x80000000
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#define ZMII_SMII0 0x40000000
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#define ZMII_RMII0 0x20000000
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#define ZMII_MII0 0x10000000
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#define ZMII_MDI1 0x08000000
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#define ZMII_SMII1 0x04000000
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#define ZMII_RMII1 0x02000000
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#define ZMII_MII1 0x01000000
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#define ZMII_MDI2 0x00800000
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#define ZMII_SMII2 0x00400000
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#define ZMII_RMII2 0x00200000
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#define ZMII_MII2 0x00100000
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#define ZMII_MDI3 0x00080000
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#define ZMII_SMII3 0x00040000
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#define ZMII_RMII3 0x00020000
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#define ZMII_MII3 0x00010000
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/* Speed Selection reg */
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#define ZMII_SCI0 0x40000000
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#define ZMII_FSS0 0x20000000
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#define ZMII_SP0 0x10000000
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#define ZMII_SCI1 0x04000000
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#define ZMII_FSS1 0x02000000
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#define ZMII_SP1 0x01000000
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#define ZMII_SCI2 0x00400000
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#define ZMII_FSS2 0x00200000
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#define ZMII_SP2 0x00100000
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#define ZMII_SCI3 0x00040000
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#define ZMII_FSS3 0x00020000
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#define ZMII_SP3 0x00010000
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#define ZMII_MII0_100MB ZMII_SP0
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#define ZMII_MII0_10MB ~ZMII_SP0
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#define ZMII_MII1_100MB ZMII_SP1
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#define ZMII_MII1_10MB ~ZMII_SP1
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#define ZMII_MII2_100MB ZMII_SP2
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#define ZMII_MII2_10MB ~ZMII_SP2
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#define ZMII_MII3_100MB ZMII_SP3
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#define ZMII_MII3_10MB ~ZMII_SP3
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/* SMII Status reg */
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#define ZMII_STS0 0xFF000000 /* EMAC0 smii status mask */
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#define ZMII_STS1 0x00FF0000 /* EMAC1 smii status mask */
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#define SMII 0
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#define RMII 1
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#define MII 2
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#define MDI 3
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#endif /* _IBM_EMAC_ZMII_H_ */
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