]>
git.ipfire.org Git - people/ms/u-boot.git/blob - board/eltec/elppc/eepro100_srom.c
2 * (C) Copyright 2002 ELTEC Elektronik AG
3 * Frank Gottschling <fgottschling@eltec.de>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * Local network srom writing for first time run
34 extern int eepro100_write_eeprom (struct eth_device
* dev
,
35 int location
, int addr_len
, unsigned short data
);
37 /*----------------------------------------------------------------------------*/
39 unsigned short eepro100_srom_checksum (unsigned short *sromdata
)
41 unsigned short sum
= 0;
44 for (i
= 0; i
< (EE_SIZE
-1); i
++)
48 return (EE_CHECKSUM
- sum
);
51 /*----------------------------------------------------------------------------*/
53 int eepro100_srom_store (unsigned short *source
)
56 struct eth_device onboard_dev
;
58 /* get onboard network iobase */
59 pci_read_config_dword(PCI_BDF(0,0x10,0), PCI_BASE_ADDRESS_0
,
60 (unsigned int *)&onboard_dev
.iobase
);
61 onboard_dev
.iobase
&= ~0xf;
63 source
[63] = eepro100_srom_checksum (source
);
65 for (count
=0; count
< EE_SIZE
; count
++)
67 if ( eepro100_write_eeprom ((struct eth_device
*)&onboard_dev
,
68 count
, EE_ADDR_BITS
, SROM_SHORT(source
)) == -1 )
75 /*----------------------------------------------------------------------------*/
77 #ifdef EEPRO100_SROM_CHECK
79 extern int read_eeprom (struct eth_device
* dev
, int location
, int addr_len
);
81 void eepro100_srom_load (unsigned short *destination
)
84 struct eth_device onboard_dev
;
87 printf ("eepro100_srom_download:\n");
90 /* get onboard network iobase */
91 pci_read_config_dword(PCI_BDF(0,0x10,0), PCI_BASE_ADDRESS_0
,
93 onboard_dev
.iobase
&= ~0xf;
95 memset (destination
, 0x65, 128);
97 for (count
=0; count
< 0x40; count
++)
99 *destination
++ = read_eeprom (struct eth_device
*)&onboard_dev
,
100 count
, EE_ADDR_BITS
);
102 printf ("%04x ", *(destination
- 1));
111 #endif /* EEPRO100_SROM_CHECK */
113 /*----------------------------------------------------------------------------*/