Mercurial > ecos
view packages/devs/eth/sh/etherc/current/src/phyter.inl @ 3292:7f8e529b4d82 default tip
Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
| author | vae |
|---|---|
| date | Wed, 29 Apr 2015 23:31:48 +0000 |
| parents | 74dbf4c3f2e1 |
| children |
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#ifndef CYGONCE_DEVS_ETH_PHYTER_PHYTER_INL #define CYGONCE_DEVS_ETH_PHYTER_PHYTER_INL //========================================================================== // // phyther.inl // // Generic Phyter definitions and helpers // //========================================================================== // ####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. // // eCos 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 or (at your option) any later // version. // // eCos is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License // along with eCos; if not, write to the Free Software Foundation, Inc., // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // // As a special exception, if other files instantiate templates or use // macros or inline functions from this file, or you compile this file // and link it with other works to produce a work based on this file, // this file does not by itself cause the resulting work to be covered by // the GNU General Public License. However the source code for this file // must still be made available in accordance with section (3) of the GNU // General Public License v2. // // This exception does not invalidate any other reasons why a work based // on this file might be covered by the GNU General Public License. // ------------------------------------------- // ####ECOSGPLCOPYRIGHTEND#### //========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): jskov // Contributors: jskov // Date: 2002-02-19 // Purpose: phy/MII definitions // Description: // //####DESCRIPTIONEND#### // //========================================================================== // Caller must define _MII_WRITE and _MII_READ macros #ifndef _MII_WRITE # error "_MII_WRITE(_priv_, _id_, _reg_, _val_) and _MII_READ(_priv_, _id_, _reg_) must be defined" #endif // Caller can define _MII_HAS_EXTENDED to add support for extended registers //----------------------------------------------------------------------------- // Helpers // Renegotiate link // This function will delay for up to 2 seconds waiting for a renegotiation // of the link. #define _MII_RENEGOTIATE(_priv_, _id_) \ CYG_MACRO_START \ _MII_WRITE(_priv_, _id_, CYGARC_REG_MII_BMCR, CYGARC_REG_MII_BMCR_RENEGOTIATE); \ _MII_RENEGOTIATION_WAIT(_priv_, _id_); \ CYG_MACRO_END // Wait for renegotiation to complete // This function will delay for up to 2 seconds waiting for a renegotiation // of the link. #define _MII_RENEGOTIATION_WAIT(_priv_, _id_) \ CYG_MACRO_START \ int _i; \ cyg_uint16 _r; \ for (_i = 0; _i < 2000; _i++) { \ HAL_DELAY_US(1000); \ _r = _MII_READ(_priv_, _id_, CYGARC_REG_MII_BMSR); \ if (_r & CYGARC_REG_MII_BMSR_AN_COMPLETE) break; \ } \ CYG_MACRO_END // Link state query #define _MII_LINK_STATE(_priv_, _id_) \ ({ int _i; \ if (_MII_READ(_priv_, _id_, CYGARC_REG_MII_BMSR) & CYGARC_REG_MII_BMSR_LINK) \ (_i) = 1; \ else \ (_i) = 0; \ _i; }) // Clear 100MB capability advertisement bits // Caller has to start a new renegoatiation #define _MII_SPEED_FORCE_10MB(_priv_, _id_) \ CYG_MACRO_START \ cyg_uint16 _d; \ _d = _MII_READ(_priv_, _id_, CYGARC_REG_MII_ANAR); \ _d &= ~(CYGARC_REG_MII_ANAR_T4|CYGARC_REG_MII_ANAR_TX_FD|CYGARC_REG_MII_ANAR_TX); \ _MII_WRITE(_priv_, _id_, CYGARC_REG_MII_ANAR, _d); \ CYG_MACRO_END #ifdef _MII_HAS_EXTENDED // Speed state query // 0 = 10Mb, 1 = 100Mb #define _MII_SPEED_STATE(_priv_, _id_) \ ({ int _i; \ if (_MII_READ(_priv_, _id_, CYGARC_REG_MII_PHYSTS) & CYGARC_REG_MII_PHYSTS_SPEED) \ (_i) = 0; \ else \ (_i) = 1; \ _i; }) // Duplex state query // 0 = simplex, 1 = duplex #define _MII_DUPLEX_STATE(_priv_, _id_) \ ({ int _i; \ if (_MII_READ(_priv_, _id_, CYGARC_REG_MII_PHYSTS) & CYGARC_REG_MII_PHYSTS_DUPLEX) \ (_i) = 1; \ else \ (_i) = 0; \ _i; }) #endif // _MII_HAS_EXTENDED // Dump registers // Useful for debugging #define _MII_DUMP_REGS(_priv_, _id_) \ CYG_MACRO_START \ int _i; \ diag_printf("PHY registers:\n"); \ for(_i = 0; _i <= CYGARC_REG_MII_LAST; _i++) \ diag_printf(" %02d %04x\n", _i, _MII_READ(_priv_, _id_, _i)); \ CYG_MACRO_END //----------------------------------------------------------------------------- // Phyter Registers // Generic #define CYGARC_REG_MII_BMCR 0x00 #define CYGARC_REG_MII_BMSR 0x01 #define CYGARC_REG_MII_PHYIDR1 0x02 #define CYGARC_REG_MII_PHYIDR2 0x03 #define CYGARC_REG_MII_ANAR 0x04 #define CYGARC_REG_MII_ANLPAR 0x05 #define CYGARC_REG_MII_ANER 0x06 #define CYGARC_REG_MII_ANNPTR 0x07 #define CYGARC_REG_MII_BMCR_RESET 0x8000 #define CYGARC_REG_MII_BMCR_LOOPBACK 0x4000 #define CYGARC_REG_MII_BMCR_RENEGOTIATE 0x3300 #define CYGARC_REG_MII_BMSR_AN_COMPLETE 0x0020 #define CYGARC_REG_MII_BMSR_LINK 0x0004 #define CYGARC_REG_MII_ANAR_T4 0x0200 #define CYGARC_REG_MII_ANAR_TX_FD 0x0100 #define CYGARC_REG_MII_ANAR_TX 0x0080 #define CYGARC_REG_MII_ANAR_10_FD 0x0040 #define CYGARC_REG_MII_ANAR_10 0x0020 // Extended registers #ifndef _MII_HAS_EXTENDED # define CYGARC_REG_MII_LAST 0x0f #else # define CYGARC_REG_MII_PHYSTS 0x10 # define CYGARC_REG_MII_FCSCR 0x14 # define CYGARC_REG_MII_RECR 0x15 # define CYGARC_REG_MII_PCSR 0x16 # define CYGARC_REG_MII_PHYCTRL 0x19 # define CYGARC_REG_MII_10BTSCR 0x1a # define CYGARC_REG_MII_CDCTRL 0x1b # define CYGARC_REG_MII_LAST 0x1f # define CYGARC_REG_MII_PHYSTS_SPEED 0x00000002 # define CYGARC_REG_MII_PHYSTS_DUPLEX 0x00000004 #endif #endif // CYGONCE_DEVS_ETH_PHYTER_PHYTER_INL