1 //==========================================================================
5 // Ethernet transceiver (PHY) support
7 //==========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // Copyright (C) 2005 Gary Thomas
13 // eCos is free software; you can redistribute it and/or modify it under
14 // the terms of the GNU General Public License as published by the Free
15 // Software Foundation; either version 2 or (at your option) any later version.
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
22 // You should have received a copy of the GNU General Public License along
23 // with eCos; if not, write to the Free Software Foundation, Inc.,
24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
26 // As a special exception, if other files instantiate templates or use macros
27 // or inline functions from this file, or you compile this file and link it
28 // with other works to produce a work based on this file, this file does not
29 // by itself cause the resulting work to be covered by the GNU General Public
30 // License. However the source code for this file must still be made available
31 // in accordance with section (3) of the GNU General Public License.
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34 // this file might be covered by the GNU General Public License.
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38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
40 //==========================================================================
41 //#####DESCRIPTIONBEGIN####
44 // Contributors: Jay Foster
47 // Description: Support for ethernet ICS 189x PHYs
50 //####DESCRIPTIONEND####
52 //==========================================================================
54 #include <pkgconf/system.h>
55 #include <pkgconf/devs_eth_phy.h>
57 #include <cyg/infra/cyg_type.h>
59 #include <cyg/hal/hal_arch.h>
60 #include <cyg/hal/drv_api.h>
61 #include <cyg/hal/hal_if.h>
62 #include <cyg/hal/hal_tables.h>
64 #include <cyg/io/eth_phy.h>
65 #include <cyg/io/eth_phy_dev.h>
67 #define Bit(n) (1<<(n))
69 static bool ics189x_stat(eth_phy_access_t *f, int *state)
71 unsigned short phy_state;
74 // Read negotiated state from the Quick Poll Detailed Status Register
75 if (_eth_phy_read(f, 17, f->phy_addr, &phy_state))
77 if ((phy_state & Bit(4)) == 0)
79 eth_phy_printf("... waiting for auto-negotiation");
80 for (tries = 0; tries < CYGINT_DEVS_ETH_PHY_AUTO_NEGOTIATION_TIME; tries++)
82 if (_eth_phy_read(f, 17, f->phy_addr, &phy_state))
84 if ((phy_state & Bit(4)) != 0)
89 CYGACC_CALL_IF_DELAY_US(1000000); // 1 second
94 if ((phy_state & Bit(4)) != 0)
97 if (phy_state & Bit(0))
98 *state |= ETH_PHY_STAT_LINK;
99 if (phy_state & Bit(14))
100 *state |= ETH_PHY_STAT_FDX;
101 if (phy_state & Bit(15))
102 *state |= ETH_PHY_STAT_100MB;
109 #ifdef CYGHWR_DEVS_ETH_PHY_ICS1890
110 _eth_phy_dev("ICS 1890", 0x0015F422, ics189x_stat) // 1st general release
111 _eth_phy_dev("ICS 1890", 0x0015F423, ics189x_stat) // 1890 "J" release
113 #ifdef CYGHWR_DEVS_ETH_PHY_ICS1892
114 _eth_phy_dev("ICS 1892", 0x0015F430, ics189x_stat)
116 #ifdef CYGHWR_DEVS_ETH_PHY_ICS1893
117 _eth_phy_dev("ICS 1893", 0x0015F441, ics189x_stat)