1 //==========================================================================
5 // Ethernet device driver for H8MAX board
7 //==========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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.
17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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.
33 // This exception does not invalidate any other reasons why a work based on
34 // this file might be covered by the GNU General Public License.
36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
37 // at http://sources.redhat.com/ecos/ecos-license/
38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
40 //####BSDCOPYRIGHTBEGIN####
42 // -------------------------------------------
44 // Portions of this software may have been derived from OpenBSD or other sources,
45 // and are covered by the appropriate copyright disclaimers included herein.
47 // -------------------------------------------
49 //####BSDCOPYRIGHTEND####
50 //==========================================================================
52 #include <pkgconf/system.h>
53 #include <cyg/infra/cyg_type.h>
54 #include <cyg/hal/hal_arch.h>
55 #include <cyg/infra/diag.h>
56 #include <cyg/hal/drv_api.h>
57 #include <cyg/io/eth/eth_drv.h>
58 #include <cyg/io/eth/netdev.h>
60 #define DP_CARD_RESET 0x1f
62 #include <cyg/io/dp83902a.h>
64 void ns_dp83902a_plf_init(dp83902a_priv_data_t *dp)
67 unsigned short offset;
70 {DP_DCR, 0x49}, // Wordwide access
71 {DP_RBCH, 0}, // Remote byte count
73 {DP_ISR, 0xFF}, // Clear any pending interrupts
74 {DP_IMR, 0x00}, // Mask all interrupts
75 {DP_RCR, 0x20}, // Monitor
76 {DP_TCR, 0x02}, // loopback
77 {DP_RBCH, 32/2}, // Remote byte count
79 {DP_RSAL, 0}, // Remote address
81 {DP_CR, DP_CR_START|DP_CR_RDMA} // Read data
83 unsigned short prom[32];
86 HAL_READ_UINT8(dp->base+(DP_CARD_RESET<<1)+1, tmp);
87 HAL_WRITE_UINT16(dp->base+(DP_CARD_RESET<<1), tmp);
88 dp->data = dp->base+(DP_DATAPORT<<1);
92 DP_IN(dp->base, DP_ISR, tmp);
93 for (cnt=0; cnt< 1024; cnt++);
94 } while (0 == (tmp & DP_ISR_RESET));
95 if (dp->hardwired_esa)
98 for (cnt=0; cnt<sizeof(init_data)/sizeof(init_data[0]); cnt++)
99 DP_OUT(dp->base, init_data[cnt].offset, init_data[cnt].data);
100 for (cnt = 0; cnt < 32/2; cnt++) {
101 DP_IN_DATA(dp->data, prom[cnt]);
103 if ((prom[0] == 0xffff) && (prom[1] == 0xffff) && (prom[2] == 0xffff)) {
107 DP_OUT(dp->base, DP_CR, DP_CR_NODMA | DP_CR_PAGE1);
108 for (cnt = 0; cnt < 6; cnt ++) {
109 DP_OUT(dp->base, DP_P1_PAR0+cnt, prom[cnt] >> 8);