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#ifndef CYGONCE_DEVS_ETH_PHYTER_PHYTER_INL
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#define CYGONCE_DEVS_ETH_PHYTER_PHYTER_INL
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//==========================================================================
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//
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// phyther.inl
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//
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// Generic Phyter definitions and helpers
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//
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//==========================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): jskov
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// Contributors: jskov
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// Date: 2002-02-19
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// Purpose: phy/MII definitions
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// Description:
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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// Caller must define _MII_WRITE and _MII_READ macros
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#ifndef _MII_WRITE
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# error "_MII_WRITE(_priv_, _id_, _reg_, _val_) and _MII_READ(_priv_, _id_, _reg_) must be defined"
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#endif
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// Caller can define _MII_HAS_EXTENDED to add support for extended registers
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//-----------------------------------------------------------------------------
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// Helpers
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// Renegotiate link
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// This function will delay for up to 2 seconds waiting for a renegotiation
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// of the link.
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#define _MII_RENEGOTIATE(_priv_, _id_) \
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CYG_MACRO_START \
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_MII_WRITE(_priv_, _id_, CYGARC_REG_MII_BMCR, CYGARC_REG_MII_BMCR_RENEGOTIATE); \
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_MII_RENEGOTIATION_WAIT(_priv_, _id_); \
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CYG_MACRO_END
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// Wait for renegotiation to complete
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// This function will delay for up to 2 seconds waiting for a renegotiation
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// of the link.
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#define _MII_RENEGOTIATION_WAIT(_priv_, _id_) \
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CYG_MACRO_START \
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int _i; \
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cyg_uint16 _r; \
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for (_i = 0; _i < 2000; _i++) { \
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HAL_DELAY_US(1000); \
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_r = _MII_READ(_priv_, _id_, CYGARC_REG_MII_BMSR); \
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if (_r & CYGARC_REG_MII_BMSR_AN_COMPLETE) break; \
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} \
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CYG_MACRO_END
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// Link state query
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#define _MII_LINK_STATE(_priv_, _id_) \
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({ int _i; \
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if (_MII_READ(_priv_, _id_, CYGARC_REG_MII_BMSR) & CYGARC_REG_MII_BMSR_LINK) \
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(_i) = 1; \
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else \
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(_i) = 0; \
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_i; })
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// Clear 100MB capability advertisement bits
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// Caller has to start a new renegoatiation
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#define _MII_SPEED_FORCE_10MB(_priv_, _id_) \
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CYG_MACRO_START \
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cyg_uint16 _d; \
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_d = _MII_READ(_priv_, _id_, CYGARC_REG_MII_ANAR); \
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_d &= ~(CYGARC_REG_MII_ANAR_T4|CYGARC_REG_MII_ANAR_TX_FD|CYGARC_REG_MII_ANAR_TX); \
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_MII_WRITE(_priv_, _id_, CYGARC_REG_MII_ANAR, _d); \
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CYG_MACRO_END
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#ifdef _MII_HAS_EXTENDED
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// Speed state query
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// 0 = 10Mb, 1 = 100Mb
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#define _MII_SPEED_STATE(_priv_, _id_) \
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({ int _i; \
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if (_MII_READ(_priv_, _id_, CYGARC_REG_MII_PHYSTS) & CYGARC_REG_MII_PHYSTS_SPEED) \
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(_i) = 0; \
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else \
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(_i) = 1; \
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_i; })
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// Duplex state query
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// 0 = simplex, 1 = duplex
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#define _MII_DUPLEX_STATE(_priv_, _id_) \
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({ int _i; \
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if (_MII_READ(_priv_, _id_, CYGARC_REG_MII_PHYSTS) & CYGARC_REG_MII_PHYSTS_DUPLEX) \
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(_i) = 1; \
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else \
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(_i) = 0; \
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_i; })
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#endif // _MII_HAS_EXTENDED
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// Dump registers
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// Useful for debugging
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#define _MII_DUMP_REGS(_priv_, _id_) \
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CYG_MACRO_START \
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int _i; \
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diag_printf("PHY registers:\n"); \
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for(_i = 0; _i <= CYGARC_REG_MII_LAST; _i++) \
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diag_printf(" %02d %04x\n", _i, _MII_READ(_priv_, _id_, _i)); \
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CYG_MACRO_END
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//-----------------------------------------------------------------------------
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// Phyter Registers
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// Generic
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#define CYGARC_REG_MII_BMCR 0x00
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#define CYGARC_REG_MII_BMSR 0x01
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#define CYGARC_REG_MII_PHYIDR1 0x02
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#define CYGARC_REG_MII_PHYIDR2 0x03
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#define CYGARC_REG_MII_ANAR 0x04
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#define CYGARC_REG_MII_ANLPAR 0x05
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#define CYGARC_REG_MII_ANER 0x06
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#define CYGARC_REG_MII_ANNPTR 0x07
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#define CYGARC_REG_MII_BMCR_RESET 0x8000
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#define CYGARC_REG_MII_BMCR_LOOPBACK 0x4000
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#define CYGARC_REG_MII_BMCR_RENEGOTIATE 0x3300
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#define CYGARC_REG_MII_BMSR_AN_COMPLETE 0x0020
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#define CYGARC_REG_MII_BMSR_LINK 0x0004
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#define CYGARC_REG_MII_ANAR_T4 0x0200
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#define CYGARC_REG_MII_ANAR_TX_FD 0x0100
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#define CYGARC_REG_MII_ANAR_TX 0x0080
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#define CYGARC_REG_MII_ANAR_10_FD 0x0040
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#define CYGARC_REG_MII_ANAR_10 0x0020
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// Extended registers
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#ifndef _MII_HAS_EXTENDED
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# define CYGARC_REG_MII_LAST 0x0f
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#else
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# define CYGARC_REG_MII_PHYSTS 0x10
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# define CYGARC_REG_MII_FCSCR 0x14
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# define CYGARC_REG_MII_RECR 0x15
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# define CYGARC_REG_MII_PCSR 0x16
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# define CYGARC_REG_MII_PHYCTRL 0x19
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# define CYGARC_REG_MII_10BTSCR 0x1a
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# define CYGARC_REG_MII_CDCTRL 0x1b
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# define CYGARC_REG_MII_LAST 0x1f
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# define CYGARC_REG_MII_PHYSTS_SPEED 0x00000002
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# define CYGARC_REG_MII_PHYSTS_DUPLEX 0x00000004
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#endif
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#endif // CYGONCE_DEVS_ETH_PHYTER_PHYTER_INL
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