1 //==========================================================================
5 // Ethernet device driver for Akizuki H8/3068 Netwotk micom
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 //==========================================================================
51 //#####DESCRIPTIONBEGIN####
60 //####DESCRIPTIONEND####
62 //==========================================================================
64 #include <pkgconf/system.h>
65 #include <pkgconf/io_eth_drivers.h>
67 #include <cyg/infra/cyg_type.h>
68 #include <cyg/hal/hal_arch.h>
69 #include <cyg/infra/diag.h>
70 #include <cyg/hal/drv_api.h>
71 #include <cyg/io/eth/eth_drv.h>
72 #include <cyg/io/eth/netdev.h>
74 #define DP_CARD_RESET 0x1f
76 #include <cyg/io/dp83902a.h>
78 void ns_dp83902a_plf_init(dp83902a_priv_data_t *dp)
81 unsigned short offset;
84 {DP_DCR, 0x48}, // Bytewide access
85 {DP_RBCH, 0}, // Remote byte count
87 {DP_ISR, 0xFF}, // Clear any pending interrupts
88 {DP_IMR, 0x00}, // Mask all interrupts
89 {DP_RCR, 0x20}, // Monitor
90 {DP_TCR, 0x02}, // loopback
91 {DP_RBCH, 32}, // Remote byte count
93 {DP_RSAL, 0}, // Remote address
95 {DP_CR, DP_CR_START|DP_CR_RDMA} // Read data
97 unsigned char prom[32];
100 HAL_READ_UINT8(dp->base+DP_CARD_RESET, tmp);
101 HAL_WRITE_UINT8(dp->base+DP_CARD_RESET, tmp);
102 dp->data = dp->base+DP_DATAPORT;
106 DP_IN(dp->base, DP_ISR, tmp);
107 for (cnt=0; cnt< 1024; cnt++);
108 } while (0 == (tmp & DP_ISR_RESET));
110 if (dp->hardwired_esa)
113 for (cnt=0; cnt<sizeof(init_data)/sizeof(init_data[0]); cnt++)
114 DP_OUT(dp->base, init_data[cnt].offset, init_data[cnt].data);
115 for (cnt = 0; cnt < 32; cnt++)
116 DP_IN_DATA(dp->data, prom[cnt]);
117 if ((prom[0] == 0xff) && (prom[2] == 0xff) && (prom[4] == 0xff)) {
121 DP_OUT(dp->base, DP_CR, DP_CR_NODMA | DP_CR_PAGE1);
122 for (cnt = 0; cnt < 6; cnt ++) {
123 DP_OUT(dp->base, DP_P1_PAR0+cnt, prom[cnt*2]);