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65 lines
1.7 KiB
65 lines
1.7 KiB
/*
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* Defines for the IBM RGMII bridge
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*
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* Based on ocp_zmii.h/ibm_emac_zmii.h
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* Armin Kuster akuster@mvista.com
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*
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* Copyright 2004 MontaVista Software, Inc.
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* Matt Porter <mporter@kernel.crashing.org>
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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_RGMII_H_
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#define _IBM_EMAC_RGMII_H_
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#include <linux/config.h>
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/* RGMII bridge */
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typedef struct rgmii_regs {
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u32 fer; /* Function enable register */
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u32 ssr; /* Speed select register */
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} rgmii_t;
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#define RGMII_INPUTS 4
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/* RGMII device */
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struct ibm_ocp_rgmii {
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struct rgmii_regs *base;
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int mode[RGMII_INPUTS];
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int users; /* number of EMACs using this RGMII bridge */
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};
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/* Fuctional Enable Reg */
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#define RGMII_FER_MASK(x) (0x00000007 << (4*x))
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#define RGMII_RTBI 0x00000004
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#define RGMII_RGMII 0x00000005
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#define RGMII_TBI 0x00000006
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#define RGMII_GMII 0x00000007
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/* Speed Selection reg */
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#define RGMII_SP2_100 0x00000002
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#define RGMII_SP2_1000 0x00000004
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#define RGMII_SP3_100 0x00000200
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#define RGMII_SP3_1000 0x00000400
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#define RGMII_MII2_SPDMASK 0x00000007
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#define RGMII_MII3_SPDMASK 0x00000700
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#define RGMII_MII2_100MB RGMII_SP2_100 & ~RGMII_SP2_1000
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#define RGMII_MII2_1000MB RGMII_SP2_1000 & ~RGMII_SP2_100
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#define RGMII_MII2_10MB ~(RGMII_SP2_100 | RGMII_SP2_1000)
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#define RGMII_MII3_100MB RGMII_SP3_100 & ~RGMII_SP3_1000
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#define RGMII_MII3_1000MB RGMII_SP3_1000 & ~RGMII_SP3_100
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#define RGMII_MII3_10MB ~(RGMII_SP3_100 | RGMII_SP3_1000)
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#define RTBI 0
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#define RGMII 1
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#define TBI 2
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#define GMII 3
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#endif /* _IBM_EMAC_RGMII_H_ */
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