# HG changeset patch # User asl # Date 1221155724 0 # Node ID 44499540b1fcf9241d91387b280714b55841c1a5 # Parent 88afa3c9917abe353908f72444ed5a08251ad9d4 * cdl/phy_eth_drivers.cdl: * src/KSZ8001.c: Add support for Micrel KSZ8001 PHY diff --git a/packages/devs/eth/phy/current/ChangeLog b/packages/devs/eth/phy/current/ChangeLog --- a/packages/devs/eth/phy/current/ChangeLog +++ b/packages/devs/eth/phy/current/ChangeLog @@ -1,3 +1,8 @@ +2008-08-05 Uwe Kindler + + * cdl/phy_eth_drivers.cdl: + * src/KSZ8001.c: Add support for Micrel KSZ8001 PHY + 2007-04-06 Uwe Kindler * cdl/phy_eth_drivers.cdl: diff --git a/packages/devs/eth/phy/current/cdl/phy_eth_drivers.cdl b/packages/devs/eth/phy/current/cdl/phy_eth_drivers.cdl --- a/packages/devs/eth/phy/current/cdl/phy_eth_drivers.cdl +++ b/packages/devs/eth/phy/current/cdl/phy_eth_drivers.cdl @@ -149,5 +149,14 @@ cdl_package CYGPKG_DEVS_ETH_PHY { description " Include support for the Micrel KS8721 PHY" } + + cdl_option CYGHWR_DEVS_ETH_PHY_KSZ8001 { + display "Micrel KSZ8001" + flavor bool + default_value 0 + compile -library=libextras.a KSZ8001.c + description " + Include support for the Micrel KSZ8001 PHY" + } } diff --git a/packages/devs/eth/phy/current/src/KSZ8001.c b/packages/devs/eth/phy/current/src/KSZ8001.c new file mode 100644 --- /dev/null +++ b/packages/devs/eth/phy/current/src/KSZ8001.c @@ -0,0 +1,158 @@ +//========================================================================== +// +// dev/KSZ8001.c +// +// Ethernet transceiver (PHY) support for Micrel KSZ8001 +// +//========================================================================== +//####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 2008 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., +// 59 Temple Place, Suite 330, Boston, MA 02111-1307 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. +// +// 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): Uwe Kindler +// Contributors: +// Date: 2008-08-05 +// Purpose: +// Description: Support for ethernet PHY Micrel KSZ8001 +// +// +//####DESCRIPTIONEND#### +// +//========================================================================== + + +//========================================================================== +// INCLUDES +//========================================================================== +#include +#include + +#include + +#include +#include +#include +#include + +#include +#include + + +//========================================================================== +// DEFINES +//========================================================================== +#define PHY_100BASE_CTRL 0x1f // 100BASE-TX PHY Control Register +#define PHY_100BASE_CTRL_OP_MODE_MASK (0x07 << 2) +#define PHY_100BASE_CTRL_AN_MODE (0x00 << 2) +#define PHY_100BASE_CTRL_10T_HDX (0x01 << 2) +#define PHY_100BASE_CTRL_100T_HDX (0x02 << 2) +#define PHY_100BASE_CTRL_DEFAULT (0x03 << 2) +#define PHY_100BASE_CTRL_10T_FDX (0x05 << 2) +#define PHY_100BASE_CTRL_100T_FDX (0x06 << 2) + + +//========================================================================== +// Query the 100BASE-TX PHY Control Register and return a status bitmap +// indicating the state of the physical connection +//========================================================================== +static bool ksz8001_stat(eth_phy_access_t *f, int *state) +{ + unsigned short phy_state; + unsigned short phy_100ctrl_reg; + int tries; + int ms; + + // Read negotiated state + if (_eth_phy_read(f, PHY_BMSR, f->phy_addr, &phy_state)) + { + if ((phy_state & PHY_BMSR_AUTO_NEG) == 0) + { + eth_phy_printf("... waiting for auto-negotiation"); + for (tries = 0; tries < CYGINT_DEVS_ETH_PHY_AUTO_NEGOTIATION_TIME; tries++) + { + if (_eth_phy_read(f, PHY_BMSR, f->phy_addr, &phy_state)) + { + if ((phy_state & PHY_BMSR_AUTO_NEG) != 0) + { + break; + } + } + + // + // Wait for 1 second + // + for (ms = 0; ms < 1000; ++ms) + { + CYGACC_CALL_IF_DELAY_US(1000); // 1 ms + } + eth_phy_printf("."); + } + eth_phy_printf("\n"); + } + if ((phy_state & PHY_BMSR_AUTO_NEG) != 0) + { + *state = 0; + if ((phy_state & PHY_BMSR_LINK) != 0) + { + *state |= ETH_PHY_STAT_LINK; + } + + _eth_phy_read(f, PHY_100BASE_CTRL, f->phy_addr, &phy_100ctrl_reg); + phy_100ctrl_reg &= PHY_100BASE_CTRL_OP_MODE_MASK; + switch (phy_100ctrl_reg) + { + case PHY_100BASE_CTRL_10T_HDX: + break; + + case PHY_100BASE_CTRL_100T_HDX: + *state |= ETH_PHY_STAT_100MB; + break; + + case PHY_100BASE_CTRL_10T_FDX: + *state |= ETH_PHY_STAT_FDX; + break; + + case PHY_100BASE_CTRL_100T_FDX: + *state |= ETH_PHY_STAT_100MB | ETH_PHY_STAT_FDX; + break; + + default: + // force to set default 100 Full Duplex + *state |= ETH_PHY_STAT_100MB | ETH_PHY_STAT_FDX; + } // switch (phy_100ctrl_reg) + + return true; + } + } + return false; +} + +_eth_phy_dev("Micrel KSZ8001", 0x00221613, ksz8001_stat) diff --git a/packages/devs/eth/phy/current/src/eth_phy.c b/packages/devs/eth/phy/current/src/eth_phy.c --- a/packages/devs/eth/phy/current/src/eth_phy.c +++ b/packages/devs/eth/phy/current/src/eth_phy.c @@ -169,7 +169,7 @@ externC bool f->phy_addr = addr; for (dev = __ETH_PHY_TAB__; dev != &__ETH_PHY_TAB_END__; dev++) { if (dev->id == id) { - eth_phy_printf("PHY: %s\n", dev->name); + eth_phy_printf("PHY: %s at addr %x\n", dev->name, f->phy_addr); f->dev = dev; return true; }